./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor773683631 <...> 6525] memfd_create("syzkaller", 0 [pid 6524] <... munmap resumed>) = 0 [pid 6522] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] <... memfd_create resumed>) = 3 [pid 6525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6521] <... munmap resumed>) = 0 [pid 6526] <... set_robust_list resumed>) = 0 [pid 6522] <... futex resumed>) = 0 [pid 6526] rt_sigprocmask(SIG_SETMASK, [], [pid 6520] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6521] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6526] memfd_create("syzkaller", 0 [pid 6525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6521] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6526] <... memfd_create resumed>) = 3 [pid 6521] close(3 [pid 6526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6525] <... write resumed>) = 1048576 [pid 6524] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6523] munmap(0x7f3940e00000, 138412032 [pid 6525] munmap(0x7f3940e00000, 138412032 [pid 6524] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6523] <... munmap resumed>) = 0 [pid 6526] <... mmap resumed>) = 0x7f3940e00000 [pid 6525] <... munmap resumed>) = 0 [pid 6524] close(3) = 0 [pid 6523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6523] close(3 [pid 6525] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6525] close(3 [pid 6526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6525] <... close resumed>) = 0 [pid 6521] <... close resumed>) = 0 [pid 6524] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6524] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6518] <... futex resumed>) = 0 [pid 6518] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... futex resumed>) = 0 [pid 6518] <... futex resumed>) = 1 [pid 6524] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6521] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... openat resumed>) = 3 [pid 6521] <... futex resumed>) = 1 [pid 6524] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] <... futex resumed>) = 0 [pid 6524] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] <... futex resumed>) = 0 [pid 6517] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... futex resumed>) = 0 [pid 6517] <... futex resumed>) = 1 [pid 6521] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6517] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] <... openat resumed>) = 3 [pid 6518] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6517] <... futex resumed>) = 0 [pid 6521] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... futex resumed>) = 0 [pid 6517] <... futex resumed>) = 1 [pid 6521] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6518] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6524] <... futex resumed>) = 0 [pid 6523] <... close resumed>) = 0 [pid 6521] <... mmap resumed>) = 0x200000000000 [pid 6518] <... futex resumed>) = 1 [pid 6524] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6525] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... futex resumed>) = 1 [pid 6518] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6517] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = 1 [pid 6524] <... futex resumed>) = 0 [pid 6523] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] <... futex resumed>) = 0 [pid 6518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6517] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = 1 [pid 6521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6520] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... futex resumed>) = 0 [pid 6518] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6520] <... futex resumed>) = 0 [pid 6519] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... futex resumed>) = 0 [pid 6517] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6524] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6523] <... openat resumed>) = 3 [pid 6521] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6520] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] <... futex resumed>) = 0 [pid 6518] read(1229035008, [pid 6525] <... openat resumed>) = 3 [pid 6523] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6517] <... futex resumed>) = ? [pid 6526] <... write resumed>) = 1048576 [pid 6525] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] +++ killed by SIGBUS +++ [pid 6523] <... futex resumed>) = 0 [pid 6521] +++ killed by SIGBUS +++ [pid 6519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6518] +++ killed by SIGBUS +++ [pid 6517] +++ killed by SIGBUS +++ [pid 6525] <... futex resumed>) = 1 [pid 6523] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] <... futex resumed>) = 0 [pid 6519] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6517, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6520] <... futex resumed>) = 0 [pid 6526] munmap(0x7f3940e00000, 138412032 [pid 6519] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6518, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6525] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6523] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6520] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 6525] <... mmap resumed>) = 0x200000000000 [pid 6523] <... mmap resumed>) = 0x200000000000 [pid 6525] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6526] <... munmap resumed>) = 0 [pid 6525] <... futex resumed>) = 1 [pid 6523] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = 0 [pid 6520] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6526] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6525] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6523] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = ? [pid 6519] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6526] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6523] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6528 attached [pid 6526] close(3 [pid 6525] +++ killed by SIGBUS +++ [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6520] +++ killed by SIGBUS +++ [pid 6519] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6528] set_robust_list(0x55558704b6a0, 24 [pid 6526] <... close resumed>) = 0 [pid 6523] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6519] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6520, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6528] <... set_robust_list resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6528 [pid 6528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6528] <... prctl resumed>) = 0 [pid 6519] <... futex resumed>) = ? ./strace-static-x86_64: Process 6529 attached [pid 6528] setpgid(0, 0) = 0 [pid 6529] set_robust_list(0x55558704b6a0, 24 [pid 6528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6529 [pid 6528] <... openat resumed>) = 3 [pid 6529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6528] write(3, "1000", 4 [pid 6529] <... prctl resumed>) = 0 [pid 6528] <... write resumed>) = 4 [pid 6526] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] setpgid(0, 0 [pid 6528] close(3 [pid 6523] +++ killed by SIGBUS +++ [pid 6529] <... setpgid resumed>) = 0 [pid 6519] +++ killed by SIGBUS +++ [pid 6528] <... close resumed>) = 0 [pid 6526] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6526] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] <... futex resumed>) = 0 [pid 6529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6526] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6522] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] write(1, "executing program\n", 18executing program [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6519, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6529] <... openat resumed>) = 3 [pid 6528] <... write resumed>) = 18 [pid 6526] <... openat resumed>) = 3 [pid 6526] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] write(3, "1000", 4 [pid 6528] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... write resumed>) = 4 [pid 6528] <... futex resumed>) = 0 [pid 6526] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6529] close(3 [pid 6528] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6526] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6529] <... close resumed>) = 0 [pid 6526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] <... futex resumed>) = 0 [pid 6528] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6526] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6522] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6529] write(1, "executing program\n", 18 [pid 6528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6526] <... mmap resumed>) = 0x200000000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6529] <... write resumed>) = 18 [pid 6528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6526] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... mmap resumed>) = 0x7f3949327000 [pid 6526] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6526] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6522] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... futex resumed>) = 0 [pid 6528] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6522] <... futex resumed>) = ? [pid 6528] <... mprotect resumed>) = 0 [pid 6529] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6528] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6526] +++ killed by SIGBUS +++ [pid 6522] +++ killed by SIGBUS +++ [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6529] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6528] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6530 attached [pid 6530] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6531 attached [pid 6529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6522, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6530 [pid 6530] setpgid(0, 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6531 ./strace-static-x86_64: Process 6532 attached [pid 6531] set_robust_list(0x55558704b6a0, 24 [pid 6530] <... setpgid resumed>) = 0 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6532] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6531] <... set_robust_list resumed>) = 0 [pid 6530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6528] <... clone3 resumed> => {parent_tid=[6532]}, 88) = 6532 [pid 6532] <... rseq resumed>) = 0 [pid 6531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6530] <... openat resumed>) = 3 [pid 6529] <... mmap resumed>) = 0x7f3949327000 [pid 6528] rt_sigprocmask(SIG_SETMASK, [], [pid 6532] set_robust_list(0x7f39493479a0, 24 [pid 6529] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6531] <... prctl resumed>) = 0 [pid 6532] <... set_robust_list resumed>) = 0 [pid 6528] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], [pid 6531] setpgid(0, 0 [pid 6529] <... mprotect resumed>) = 0 [pid 6528] <... futex resumed>) = 0 [pid 6532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6531] <... setpgid resumed>) = 0 [pid 6530] write(3, "1000", 4 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6532] memfd_create("syzkaller", 0 [pid 6530] <... write resumed>) = 4 [pid 6529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6528] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6530] close(3 [pid 6531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6532] <... memfd_create resumed>) = 3 [pid 6530] <... close resumed>) = 0 [pid 6529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6533 attached ./strace-static-x86_64: Process 6534 attached [pid 6532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6531] <... openat resumed>) = 3 [pid 6530] write(1, "executing program\n", 18 [pid 6533] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6534] set_robust_list(0x55558704b6a0, 24 [pid 6531] write(3, "1000", 4 [pid 6529] <... clone3 resumed> => {parent_tid=[6533]}, 88) = 6533 [pid 6534] <... set_robust_list resumed>) = 0 [pid 6533] <... rseq resumed>) = 0 [pid 6531] <... write resumed>) = 4 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6533] set_robust_list(0x7f39493479a0, 24executing program [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6533] <... set_robust_list resumed>) = 0 [pid 6532] <... mmap resumed>) = 0x7f3940e00000 executing program [pid 6531] close(3 [pid 6530] <... write resumed>) = 18 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6534 [pid 6534] <... prctl resumed>) = 0 [pid 6533] rt_sigprocmask(SIG_SETMASK, [], [pid 6529] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... close resumed>) = 0 [pid 6534] setpgid(0, 0 [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6531] write(1, "executing program\n", 18 [pid 6529] <... futex resumed>) = 0 [pid 6534] <... setpgid resumed>) = 0 [pid 6533] memfd_create("syzkaller", 0 [pid 6532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6531] <... write resumed>) = 18 [pid 6530] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] <... memfd_create resumed>) = 3 [pid 6531] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] <... futex resumed>) = 0 [pid 6534] <... openat resumed>) = 3 [pid 6530] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6534] write(3, "1000", 4 [pid 6531] <... futex resumed>) = 0 [pid 6534] <... write resumed>) = 4 [pid 6533] <... mmap resumed>) = 0x7f3940e00000 [pid 6531] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6534] close(3) = 0 [pid 6531] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6534] write(1, "executing program\n", 18 [pid 6531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6530] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 6530] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6530] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6535 attached [pid 6534] <... write resumed>) = 18 [pid 6531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6534] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... rseq resumed>) = 0 [pid 6531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6534] <... futex resumed>) = 0 [pid 6535] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6531] <... mmap resumed>) = 0x7f3949327000 [pid 6534] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6535] rt_sigprocmask(SIG_SETMASK, [], [pid 6531] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6530] <... clone3 resumed> => {parent_tid=[6535]}, 88) = 6535 [pid 6535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6531] <... mprotect resumed>) = 0 [pid 6535] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6531] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6530] rt_sigprocmask(SIG_SETMASK, [], [pid 6534] <... mmap resumed>) = 0x7f3949327000 [pid 6531] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6532] <... write resumed>) = 1048576 [pid 6531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6530] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... futex resumed>) = 0 [pid 6534] <... mprotect resumed>) = 0 [pid 6530] <... futex resumed>) = 1 [pid 6535] memfd_create("syzkaller", 0 [pid 6530] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6535] <... memfd_create resumed>) = 3 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6536 attached [pid 6535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6532] munmap(0x7f3940e00000, 138412032 [pid 6535] <... mmap resumed>) = 0x7f3940e00000 [pid 6532] <... munmap resumed>) = 0 [pid 6532] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6536] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6533] <... write resumed>) = 1048576 [pid 6531] <... clone3 resumed> => {parent_tid=[6536]}, 88) = 6536 [pid 6536] <... rseq resumed>) = 0 [pid 6533] munmap(0x7f3940e00000, 138412032 [pid 6532] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6531] rt_sigprocmask(SIG_SETMASK, [], [pid 6534] <... clone3 resumed> => {parent_tid=[6537]}, 88) = 6537 [pid 6533] <... munmap resumed>) = 0 [pid 6532] close(3 [pid 6531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6534] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6531] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6537 attached [pid 6536] set_robust_list(0x7f39493479a0, 24 [pid 6535] <... write resumed>) = 1048576 [pid 6534] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6537] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6536] <... set_robust_list resumed>) = 0 [pid 6535] munmap(0x7f3940e00000, 138412032 [pid 6537] <... rseq resumed>) = 0 [pid 6536] rt_sigprocmask(SIG_SETMASK, [], [pid 6533] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6531] <... futex resumed>) = 0 [pid 6537] set_robust_list(0x7f39493479a0, 24 [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] <... munmap resumed>) = 0 [pid 6533] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6531] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6537] <... set_robust_list resumed>) = 0 [pid 6537] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] memfd_create("syzkaller", 0 [pid 6535] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6533] close(3 [pid 6537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] <... memfd_create resumed>) = 3 [pid 6537] memfd_create("syzkaller", 0 [pid 6535] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6533] <... close resumed>) = 0 [pid 6532] <... close resumed>) = 0 [pid 6536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6537] <... memfd_create resumed>) = 3 [pid 6535] close(3 [pid 6537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6536] <... mmap resumed>) = 0x7f3940e00000 [pid 6532] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... mmap resumed>) = 0x7f3940e00000 [pid 6532] <... futex resumed>) = 1 [pid 6532] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6533] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6535] <... close resumed>) = 0 [pid 6528] <... futex resumed>) = 0 [pid 6537] <... write resumed>) = 1048576 [pid 6536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6535] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... futex resumed>) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6528] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6532] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6529] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6532] <... openat resumed>) = 3 [pid 6535] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6533] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 6532] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] <... futex resumed>) = 0 [pid 6532] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6530] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6530] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6528] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 6535] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] <... mmap resumed>) = 0x200000000000 [pid 6535] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6533] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6530] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6535] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6530] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... mmap resumed>) = 0x200000000000 [pid 6535] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6530] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6530] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6530] <... futex resumed>) = ? [pid 6535] +++ killed by SIGBUS +++ [pid 6530] +++ killed by SIGBUS +++ [pid 6529] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... futex resumed>) = 1 [pid 6532] <... futex resumed>) = 1 [pid 6529] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6530, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6532] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6533] <... futex resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6533] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6528] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... mmap resumed>) = 0x200000000000 [pid 6532] <... futex resumed>) = 0 [pid 6528] <... futex resumed>) = 1 [pid 6533] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6528] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6537] munmap(0x7f3940e00000, 138412032 [pid 6533] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... futex resumed>) = ? [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6537] <... munmap resumed>) = 0 [pid 6533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6532] +++ killed by SIGBUS +++ [pid 6529] <... futex resumed>) = 0 [pid 6533] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6529] ???( [pid 6537] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6536] <... write resumed>) = 1048576 [pid 6529] <... ??? resumed>) = ? [pid 6528] +++ killed by SIGBUS +++ [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6537] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6536] munmap(0x7f3940e00000, 138412032 [pid 6533] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6538 attached [pid 6537] close(3 [pid 6536] <... munmap resumed>) = 0 [pid 6529] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6528, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6538] set_robust_list(0x55558704b6a0, 24 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6538 [pid 6538] <... set_robust_list resumed>) = 0 [pid 6538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6529, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6536] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6536] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6539 attached [pid 6536] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6540 attached [pid 6539] set_robust_list(0x55558704b6a0, 24 [pid 6538] <... prctl resumed>) = 0 [pid 6537] <... close resumed>) = 0 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6538] setpgid(0, 0 [pid 6540] set_robust_list(0x55558704b6a0, 24 [pid 6539] <... prctl resumed>) = 0 [pid 6538] <... setpgid resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6540 [pid 6540] <... set_robust_list resumed>) = 0 [pid 6538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6537] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6539] setpgid(0, 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6539 [pid 6539] <... setpgid resumed>) = 0 [pid 6540] <... prctl resumed>) = 0 [pid 6539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6538] <... openat resumed>) = 3 [pid 6537] <... futex resumed>) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6540] setpgid(0, 0 [pid 6539] <... openat resumed>) = 3 [pid 6538] write(3, "1000", 4 [pid 6537] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6536] <... close resumed>) = 0 executing program [pid 6534] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... setpgid resumed>) = 0 [pid 6538] <... write resumed>) = 4 [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6538] close(3 [pid 6537] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6538] <... close resumed>) = 0 [pid 6539] write(3, "1000", 4 [pid 6534] <... futex resumed>) = 0 [pid 6539] <... write resumed>) = 4 [pid 6538] write(1, "executing program\n", 18 [pid 6537] <... openat resumed>) = 3 [pid 6534] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] close(3 [pid 6538] <... write resumed>) = 18 [pid 6537] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... close resumed>) = 0 [pid 6538] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6534] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6539] write(1, "executing program\n", 18 [pid 6538] <... futex resumed>) = 0 [pid 6537] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6534] <... futex resumed>) = 0 [pid 6539] <... write resumed>) = 18 [pid 6538] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6534] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6537] <... mmap resumed>) = 0x200000000000 [pid 6539] <... futex resumed>) = 0 [pid 6539] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6537] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6537] <... futex resumed>) = 1 [pid 6538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6534] <... futex resumed>) = 0 [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6537] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6536] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... openat resumed>) = 3 [pid 6539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6538] <... mmap resumed>) = 0x7f3949327000 [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6536] <... futex resumed>) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6531] <... futex resumed>) = 0 [pid 6540] write(3, "1000", 4 [pid 6539] <... mmap resumed>) = 0x7f3949327000 [pid 6538] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6537] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6536] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6531] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... write resumed>) = 4 [pid 6539] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6538] <... mprotect resumed>) = 0 [pid 6536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6531] <... futex resumed>) = 0 [pid 6540] close(3 [pid 6539] <... mprotect resumed>) = 0 [pid 6536] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6534] <... futex resumed>) = ? [pid 6531] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6540] <... close resumed>) = 0 [pid 6539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6538] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6537] +++ killed by SIGBUS +++ [pid 6536] <... openat resumed>) = 3 [pid 6534] +++ killed by SIGBUS +++ [pid 6540] write(1, "executing program\n", 18 executing program [pid 6539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6536] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6534, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6538] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6541 attached [pid 6540] <... write resumed>) = 18 [pid 6531] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6541] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6540] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... clone3 resumed> => {parent_tid=[6541]}, 88) = 6541 [pid 6538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6536] <... futex resumed>) = 1 [pid 6531] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... rseq resumed>) = 0 [pid 6540] <... futex resumed>) = 0 [pid 6539] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6531] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6542 attached [pid 6541] set_robust_list(0x7f39493479a0, 24 [pid 6540] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6538] <... clone3 resumed> => {parent_tid=[6542]}, 88) = 6542 [pid 6536] <... mmap resumed>) = 0x200000000000 [pid 6531] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6540] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6539] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... rseq resumed>) = 0 [pid 6541] <... set_robust_list resumed>) = 0 [pid 6540] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6539] <... futex resumed>) = 0 [pid 6538] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] set_robust_list(0x7f39493479a0, 24 [pid 6541] rt_sigprocmask(SIG_SETMASK, [], [pid 6540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6539] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] <... futex resumed>) = 1 [pid 6531] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6542] <... set_robust_list resumed>) = 0 [pid 6541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6538] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6531] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] rt_sigprocmask(SIG_SETMASK, [], [pid 6541] memfd_create("syzkaller", 0 [pid 6536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6531] <... futex resumed>) = 0 [pid 6542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6540] <... mmap resumed>) = 0x7f3949327000 [pid 6538] <... futex resumed>) = 0 [pid 6536] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6531] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] memfd_create("syzkaller", 0 [pid 6541] <... memfd_create resumed>) = 3 [pid 6540] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6538] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6542] <... memfd_create resumed>) = 3 [pid 6541] <... mmap resumed>) = 0x7f3940e00000 [pid 6540] <... mprotect resumed>) = 0 [pid 6531] <... futex resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6540] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6536] +++ killed by SIGBUS +++ [pid 6531] +++ killed by SIGBUS +++ [pid 6542] <... mmap resumed>) = 0x7f3940e00000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6531, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6540] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6543 attached [pid 6543] set_robust_list(0x55558704b6a0, 24 [pid 6540] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6543] <... set_robust_list resumed>) = 0 [pid 6543] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6544 attached ) = 0 [pid 6542] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6540] <... clone3 resumed> => {parent_tid=[6544]}, 88) = 6544 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6543 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6544] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6543] setpgid(0, 0 [pid 6540] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6544] <... rseq resumed>) = 0 [pid 6543] <... setpgid resumed>) = 0 [pid 6542] <... write resumed>) = 1048576 [pid 6541] <... write resumed>) = 1048576 [pid 6540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6544] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program executing program [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6545 [pid 6544] rt_sigprocmask(SIG_SETMASK, [], [pid 6541] munmap(0x7f3940e00000, 138412032 [pid 6540] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6544] memfd_create("syzkaller", 0 [pid 6543] <... openat resumed>) = 3 [pid 6540] <... futex resumed>) = 0 [pid 6543] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6545 attached [pid 6543] close(3) = 0 [pid 6543] write(1, "executing program\n", 18 [pid 6541] <... munmap resumed>) = 0 [pid 6544] <... memfd_create resumed>) = 3 [pid 6543] <... write resumed>) = 18 [pid 6544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6540] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6544] <... mmap resumed>) = 0x7f3940e00000 [pid 6543] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6545] set_robust_list(0x55558704b6a0, 24 [pid 6543] <... futex resumed>) = 0 [pid 6545] <... set_robust_list resumed>) = 0 [pid 6543] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6543] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6545] <... prctl resumed>) = 0 [pid 6543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6545] setpgid(0, 0 [pid 6543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6545] <... setpgid resumed>) = 0 [pid 6543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6543] <... mmap resumed>) = 0x7f3949327000 [pid 6545] <... openat resumed>) = 3 [pid 6543] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6545] write(3, "1000", 4 [pid 6543] <... mprotect resumed>) = 0 [pid 6545] <... write resumed>) = 4 [pid 6543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6545] close(3 [pid 6543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6545] <... close resumed>) = 0 [pid 6543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6545] write(1, "executing program\n", 18./strace-static-x86_64: Process 6546 attached ) = 18 [pid 6543] <... clone3 resumed> => {parent_tid=[6546]}, 88) = 6546 [pid 6541] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6541] close(3 [pid 6546] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6545] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] rt_sigprocmask(SIG_SETMASK, [], [pid 6545] <... futex resumed>) = 0 [pid 6543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6545] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6543] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6543] <... futex resumed>) = 0 [pid 6545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6543] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6545] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6546] <... rseq resumed>) = 0 [pid 6545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6546] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6546] rt_sigprocmask(SIG_SETMASK, [], [pid 6545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6547 attached [pid 6546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6545] <... clone3 resumed> => {parent_tid=[6547]}, 88) = 6547 [pid 6545] rt_sigprocmask(SIG_SETMASK, [], [pid 6547] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6546] memfd_create("syzkaller", 0 [pid 6545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6547] <... rseq resumed>) = 0 [pid 6545] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] <... memfd_create resumed>) = 3 [pid 6547] set_robust_list(0x7f39493479a0, 24 [pid 6545] <... futex resumed>) = 0 [pid 6542] munmap(0x7f3940e00000, 138412032 [pid 6547] <... set_robust_list resumed>) = 0 [pid 6545] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6547] memfd_create("syzkaller", 0 [pid 6546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6542] <... munmap resumed>) = 0 [pid 6547] <... memfd_create resumed>) = 3 [pid 6546] <... mmap resumed>) = 0x7f3940e00000 [pid 6547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6542] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6541] <... close resumed>) = 0 [pid 6547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6542] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6541] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6541] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] close(3) = 0 [pid 6547] <... write resumed>) = 1048576 [pid 6546] <... write resumed>) = 1048576 [pid 6544] <... write resumed>) = 1048576 [pid 6542] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... futex resumed>) = 0 [pid 6547] munmap(0x7f3940e00000, 138412032 [pid 6542] <... futex resumed>) = 1 [pid 6539] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... futex resumed>) = 0 [pid 6547] <... munmap resumed>) = 0 [pid 6546] munmap(0x7f3940e00000, 138412032 [pid 6544] munmap(0x7f3940e00000, 138412032 [pid 6542] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6541] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 1 [pid 6538] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6539] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] <... munmap resumed>) = 0 [pid 6542] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6541] <... openat resumed>) = 3 [pid 6538] <... futex resumed>) = 0 [pid 6547] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6542] <... openat resumed>) = 3 [pid 6541] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6542] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... futex resumed>) = 1 [pid 6539] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] <... futex resumed>) = 0 [pid 6541] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6547] close(3 [pid 6542] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6547] <... close resumed>) = 0 [pid 6546] <... munmap resumed>) = 0 [pid 6544] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6542] <... mmap resumed>) = 0x200000000000 [pid 6541] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6539] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6546] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6544] close(3 [pid 6546] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6541] <... mmap resumed>) = 0x200000000000 [pid 6546] close(3 [pid 6542] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... futex resumed>) = 1 [pid 6541] <... futex resumed>) = 1 [pid 6539] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6542] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6542] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6539] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] ???( [pid 6541] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6538] <... ??? resumed>) = ? [pid 6542] +++ killed by SIGBUS +++ [pid 6539] <... futex resumed>) = ? [pid 6538] +++ killed by SIGBUS +++ [pid 6541] +++ killed by SIGBUS +++ [pid 6539] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6538, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6547] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] <... close resumed>) = 0 [pid 6544] <... close resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6539, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] <... restart_syscall resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6547] <... futex resumed>) = 1 [pid 6546] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... futex resumed>) = 0 [pid 6544] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6547] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] <... futex resumed>) = 1 [pid 6545] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = 1 [pid 6543] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = 0 [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6545] <... futex resumed>) = 0 [pid 6544] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6543] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6547] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6545] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = 0 [pid 6547] <... openat resumed>) = 3 [pid 6546] <... openat resumed>) = 3 [pid 6544] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6543] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6547] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... openat resumed>) = 3 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6547] <... futex resumed>) = 1 [pid 6546] <... futex resumed>) = 0 [pid 6545] <... futex resumed>) = 0 [pid 6544] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6547] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6545] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = 0 [pid 6543] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6544] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6543] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6546] <... mmap resumed>) = 0x200000000000 [pid 6545] <... futex resumed>) = 0 [pid 6540] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6547] <... mmap resumed>) = 0x200000000000 [pid 6547] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6549 attached ./strace-static-x86_64: Process 6548 attached [pid 6546] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = 1 [pid 6547] <... futex resumed>) = 0 [pid 6546] <... futex resumed>) = 1 [pid 6545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6544] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6548] set_robust_list(0x55558704b6a0, 24 [pid 6543] <... futex resumed>) = 0 [pid 6540] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] set_robust_list(0x55558704b6a0, 24 [pid 6548] <... set_robust_list resumed>) = 0 [pid 6547] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6545] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... mmap resumed>) = 0x200000000000 [pid 6543] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6549 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6548 [pid 6549] <... set_robust_list resumed>) = 0 [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6545] <... futex resumed>) = 0 [pid 6544] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... futex resumed>) = 0 [pid 6549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6548] <... prctl resumed>) = 0 [pid 6547] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6546] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6545] ???( [pid 6544] <... futex resumed>) = 1 [pid 6543] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6540] <... futex resumed>) = 0 [pid 6549] <... prctl resumed>) = 0 [pid 6548] setpgid(0, 0 [pid 6545] <... ??? resumed>) = ? [pid 6544] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] setpgid(0, 0 [pid 6548] <... setpgid resumed>) = 0 [pid 6547] +++ killed by SIGBUS +++ [pid 6546] +++ killed by SIGBUS +++ [pid 6545] +++ killed by SIGBUS +++ [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] +++ killed by SIGBUS +++ [pid 6540] <... futex resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6545, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6540] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] <... setpgid resumed>) = 0 [pid 6544] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6543, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6548] <... openat resumed>) = 3 [pid 6540] <... futex resumed>) = ? [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6548] write(3, "1000", 4 [pid 6549] <... openat resumed>) = 3 [pid 6549] write(3, "1000", 4) = 4 [pid 6549] close(3) = 0 executing program [pid 6549] write(1, "executing program\n", 18 [pid 6544] +++ killed by SIGBUS +++ [pid 6540] +++ killed by SIGBUS +++ [pid 6548] <... write resumed>) = 4 [pid 6549] <... write resumed>) = 18 [pid 6548] close(3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6540, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6549] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6548] <... close resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6548] write(1, "executing program\n", 18 [pid 6549] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6549] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6548] <... write resumed>) = 18 [pid 6549] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6548] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6548] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6548] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6549] <... mmap resumed>) = 0x7f3949327000 [pid 6548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6550 attached [pid 6549] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6549] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6552 attached ./strace-static-x86_64: Process 6551 attached [pid 6550] set_robust_list(0x55558704b6a0, 24 [pid 6549] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6550 [pid 6552] set_robust_list(0x55558704b6a0, 24 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6552] <... set_robust_list resumed>) = 0 [pid 6551] set_robust_list(0x55558704b6a0, 24 [pid 6549] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6548] <... mmap resumed>) = 0x7f3949327000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6552 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6551 [pid 6552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6551] <... set_robust_list resumed>) = 0 [pid 6550] <... prctl resumed>) = 0 [pid 6549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6548] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6552] <... prctl resumed>) = 0 [pid 6551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6552] setpgid(0, 0 [pid 6551] <... prctl resumed>) = 0 [pid 6550] setpgid(0, 0 [pid 6548] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6553 attached [pid 6552] <... setpgid resumed>) = 0 [pid 6551] setpgid(0, 0 [pid 6550] <... setpgid resumed>) = 0 [pid 6548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6553] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6549] <... clone3 resumed> => {parent_tid=[6553]}, 88) = 6553 [pid 6553] <... rseq resumed>) = 0 [pid 6552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6551] <... setpgid resumed>) = 0 [pid 6550] <... openat resumed>) = 3 [pid 6549] rt_sigprocmask(SIG_SETMASK, [], [pid 6548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6553] set_robust_list(0x7f39493479a0, 24 [pid 6551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6550] write(3, "1000", 4 [pid 6549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6554 attached [pid 6553] <... set_robust_list resumed>) = 0 [pid 6552] <... openat resumed>) = 3 [pid 6551] <... openat resumed>) = 3 [pid 6550] <... write resumed>) = 4 [pid 6549] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6553] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6552] write(3, "1000", 4 [pid 6551] write(3, "1000", 4 [pid 6550] close(3 [pid 6549] <... futex resumed>) = 0 [pid 6548] <... clone3 resumed> => {parent_tid=[6554]}, 88) = 6554 [pid 6554] <... rseq resumed>) = 0 [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6552] <... write resumed>) = 4 [pid 6551] <... write resumed>) = 4 [pid 6550] <... close resumed>) = 0 [pid 6548] rt_sigprocmask(SIG_SETMASK, [], [pid 6554] set_robust_list(0x7f39493479a0, 24 [pid 6552] close(3 [pid 6551] close(3 [pid 6550] write(1, "executing program\n", 18 [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] <... set_robust_list resumed>) = 0 [pid 6552] <... close resumed>) = 0 [pid 6551] <... close resumed>) = 0 [pid 6550] <... write resumed>) = 18 [pid 6548] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] memfd_create("syzkaller", 0 [pid 6549] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6554] rt_sigprocmask(SIG_SETMASK, [], [pid 6553] <... memfd_create resumed>) = 3 executing program executing program [pid 6552] write(1, "executing program\n", 18 [pid 6551] write(1, "executing program\n", 18 [pid 6550] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6552] <... write resumed>) = 18 [pid 6551] <... write resumed>) = 18 [pid 6550] <... futex resumed>) = 0 [pid 6548] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6551] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] memfd_create("syzkaller", 0 [pid 6553] <... mmap resumed>) = 0x7f3940e00000 [pid 6552] <... futex resumed>) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6550] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6554] <... memfd_create resumed>) = 3 [pid 6553] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6552] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6551] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6550] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6554] <... mmap resumed>) = 0x7f3940e00000 [pid 6553] <... write resumed>) = 1048576 [pid 6552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6553] munmap(0x7f3940e00000, 138412032 [pid 6554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6553] <... munmap resumed>) = 0 [pid 6552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6550] <... mmap resumed>) = 0x7f3949327000 [pid 6552] <... mmap resumed>) = 0x7f3949327000 [pid 6552] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6551] <... mmap resumed>) = 0x7f3949327000 [pid 6550] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6551] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6553] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6551] <... mprotect resumed>) = 0 [pid 6550] <... mprotect resumed>) = 0 [pid 6553] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6554] <... write resumed>) = 1048576 [pid 6553] close(3 [pid 6552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6550] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6555 attached [pid 6554] munmap(0x7f3940e00000, 138412032 [pid 6553] <... close resumed>) = 0 [pid 6551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6555] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6554] <... munmap resumed>) = 0 [pid 6555] set_robust_list(0x7f39493479a0, 24 [pid 6554] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6553] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... clone3 resumed> => {parent_tid=[6555]}, 88) = 6555 ./strace-static-x86_64: Process 6557 attached ./strace-static-x86_64: Process 6556 attached [pid 6555] <... set_robust_list resumed>) = 0 [pid 6554] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6553] <... futex resumed>) = 1 [pid 6552] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] <... futex resumed>) = 0 [pid 6557] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6556] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6555] rt_sigprocmask(SIG_SETMASK, [], [pid 6554] close(3 [pid 6553] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] <... clone3 resumed> => {parent_tid=[6556]}, 88) = 6556 [pid 6550] <... clone3 resumed> => {parent_tid=[6557]}, 88) = 6557 [pid 6549] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] <... rseq resumed>) = 0 [pid 6556] <... rseq resumed>) = 0 [pid 6555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] <... close resumed>) = 0 [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6552] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] rt_sigprocmask(SIG_SETMASK, [], [pid 6549] <... futex resumed>) = 0 [pid 6557] set_robust_list(0x7f39493479a0, 24 [pid 6552] <... futex resumed>) = 0 [pid 6550] rt_sigprocmask(SIG_SETMASK, [], [pid 6552] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6549] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] memfd_create("syzkaller", 0 [pid 6556] set_robust_list(0x7f39493479a0, 24 [pid 6551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6555] <... memfd_create resumed>) = 3 [pid 6551] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... set_robust_list resumed>) = 0 [pid 6555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6551] <... futex resumed>) = 0 [pid 6550] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] rt_sigprocmask(SIG_SETMASK, [], [pid 6550] <... futex resumed>) = 0 [pid 6556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6555] <... mmap resumed>) = 0x7f3940e00000 [pid 6557] <... set_robust_list resumed>) = 0 [pid 6557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6556] memfd_create("syzkaller", 0 [pid 6553] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6550] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6557] memfd_create("syzkaller", 0 [pid 6556] <... memfd_create resumed>) = 3 [pid 6553] <... openat resumed>) = 3 [pid 6557] <... memfd_create resumed>) = 3 [pid 6553] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6553] <... futex resumed>) = 1 [pid 6549] <... futex resumed>) = 0 [pid 6557] <... mmap resumed>) = 0x7f3940e00000 [pid 6556] <... mmap resumed>) = 0x7f3940e00000 [pid 6554] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6549] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6554] <... futex resumed>) = 1 [pid 6553] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6554] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] <... mmap resumed>) = 0x200000000000 [pid 6553] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... futex resumed>) = 0 [pid 6549] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6549] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] <... futex resumed>) = 1 [pid 6553] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6549] <... futex resumed>) = ? [pid 6557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6556] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6553] +++ killed by SIGBUS +++ [pid 6549] +++ killed by SIGBUS +++ [pid 6548] <... futex resumed>) = 0 [pid 6548] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... write resumed>) = 1048576 [pid 6555] <... write resumed>) = 1048576 [pid 6554] <... futex resumed>) = 0 [pid 6548] <... futex resumed>) = 1 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6549, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6556] munmap(0x7f3940e00000, 138412032 [pid 6554] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6548] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6557] <... write resumed>) = 1048576 [pid 6556] <... munmap resumed>) = 0 [pid 6554] <... openat resumed>) = 3 [pid 6554] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6554] <... futex resumed>) = 1 [pid 6548] <... futex resumed>) = 0 [pid 6554] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6548] <... futex resumed>) = 0 [pid 6554] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6548] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6554] <... mmap resumed>) = 0x200000000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6556] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6556] close(3 [pid 6554] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6558 attached [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6558 [pid 6557] munmap(0x7f3940e00000, 138412032 [pid 6548] <... futex resumed>) = 0 [pid 6554] <... futex resumed>) = 1 [pid 6548] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6548] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6558] set_robust_list(0x55558704b6a0, 24 [pid 6557] <... munmap resumed>) = 0 [pid 6556] <... close resumed>) = 0 [pid 6555] munmap(0x7f3940e00000, 138412032 [pid 6558] <... set_robust_list resumed>) = 0 [pid 6557] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6556] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = ? [pid 6558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6557] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6555] <... munmap resumed>) = 0 [pid 6558] <... prctl resumed>) = 0 [pid 6557] close(3 [pid 6556] <... futex resumed>) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6558] setpgid(0, 0 [pid 6551] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... setpgid resumed>) = 0 [pid 6557] <... close resumed>) = 0 [pid 6556] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6554] +++ killed by SIGBUS +++ [pid 6551] <... futex resumed>) = 0 [pid 6548] +++ killed by SIGBUS +++ [pid 6551] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6556] <... openat resumed>) = 3 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6548, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6555] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6555] close(3 [pid 6558] <... openat resumed>) = 3 [pid 6556] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... close resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6555] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] write(3, "1000", 4 [pid 6557] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... futex resumed>) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6555] <... futex resumed>) = 1 [pid 6558] <... write resumed>) = 4 [pid 6557] <... futex resumed>) = 1 [pid 6556] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6552] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... futex resumed>) = 0 [pid 6558] close(3 [pid 6557] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6555] <... openat resumed>) = 3 [pid 6552] <... futex resumed>) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6550] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... close resumed>) = 0 [pid 6557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6556] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6555] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6558] write(1, "executing program\n", 18 [pid 6557] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000executing program [pid 6556] <... mmap resumed>) = 0x200000000000 [pid 6555] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] <... write resumed>) = 18 [pid 6557] <... openat resumed>) = 3 [pid 6555] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6558] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6552] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... futex resumed>) = 0 [pid 6557] <... futex resumed>) = 0 [pid 6556] <... futex resumed>) = 1 [pid 6555] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6552] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... futex resumed>) = 0 [pid 6550] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6558] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6557] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6556] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] <... mmap resumed>) = 0x200000000000 [pid 6551] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] <... futex resumed>) = 0 [pid 6556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6557] <... mmap resumed>) = 0x200000000000 [pid 6556] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6550] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6555] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6557] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... futex resumed>) = 1 [pid 6552] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6559 attached [pid 6558] <... mmap resumed>) = 0x7f3949327000 [pid 6557] <... futex resumed>) = 0 [pid 6555] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6552] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = ? [pid 6550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6559] set_robust_list(0x55558704b6a0, 24 [pid 6558] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6557] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] +++ killed by SIGBUS +++ [pid 6552] <... futex resumed>) = ? [pid 6559] <... set_robust_list resumed>) = 0 [pid 6558] <... mprotect resumed>) = 0 [pid 6559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6555] +++ killed by SIGBUS +++ [pid 6552] +++ killed by SIGBUS +++ [pid 6551] +++ killed by SIGBUS +++ [pid 6550] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6559 [pid 6550] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6552, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6551, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6557] <... futex resumed>) = 0 [pid 6550] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6557] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6559] <... prctl resumed>) = 0 [pid 6558] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6559] setpgid(0, 0 [pid 6550] <... futex resumed>) = ? [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6559] <... setpgid resumed>) = 0 [pid 6558] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6557] +++ killed by SIGBUS +++ [pid 6559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6558] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6560 attached [pid 6559] <... openat resumed>) = 3 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6558] <... clone3 resumed> => {parent_tid=[6560]}, 88) = 6560 [pid 6560] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6559] write(3, "1000", 4 [pid 6550] +++ killed by SIGBUS +++ [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6560] <... rseq resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6562 attached ./strace-static-x86_64: Process 6561 attached [pid 6560] set_robust_list(0x7f39493479a0, 24 [pid 6559] <... write resumed>) = 4 [pid 6558] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6550, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6560] <... set_robust_list resumed>) = 0 [pid 6559] close(3 [pid 6558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6562 [pid 6562] set_robust_list(0x55558704b6a0, 24 [pid 6561] set_robust_list(0x55558704b6a0, 24 [pid 6560] rt_sigprocmask(SIG_SETMASK, [], [pid 6559] <... close resumed>) = 0 [pid 6558] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6561 [pid 6562] <... set_robust_list resumed>) = 0 [pid 6561] <... set_robust_list resumed>) = 0 [pid 6562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6559] write(1, "executing program\n", 18 [pid 6558] <... futex resumed>) = 0 [pid 6562] <... prctl resumed>) = 0 executing program [pid 6561] <... prctl resumed>) = 0 [pid 6558] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6562] setpgid(0, 0 [pid 6561] setpgid(0, 0 [pid 6562] <... setpgid resumed>) = 0 [pid 6561] <... setpgid resumed>) = 0 [pid 6560] memfd_create("syzkaller", 0 [pid 6559] <... write resumed>) = 18 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6559] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6559] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6560] <... memfd_create resumed>) = 3 [pid 6559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6562] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6562] write(3, "1000", 4 [pid 6561] <... openat resumed>) = 3 [pid 6560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6559] <... mmap resumed>) = 0x7f3949327000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6561] write(3, "1000", 4 [pid 6560] <... mmap resumed>) = 0x7f3940e00000 [pid 6559] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6563 attached [pid 6559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6563] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6563] setpgid(0, 0 [pid 6559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6563] <... setpgid resumed>) = 0 [pid 6563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6559] <... clone3 resumed> => {parent_tid=[6564]}, 88) = 6564 ./strace-static-x86_64: Process 6564 attached [pid 6563] <... openat resumed>) = 3 [pid 6562] <... write resumed>) = 4 [pid 6561] <... write resumed>) = 4 [pid 6560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6563 [pid 6564] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6562] close(3 [pid 6561] close(3 [pid 6563] write(3, "1000", 4 [pid 6559] rt_sigprocmask(SIG_SETMASK, [], [pid 6563] <... write resumed>) = 4 [pid 6559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6563] close(3 [pid 6559] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... close resumed>) = 0 [pid 6559] <... futex resumed>) = 0 executing program [pid 6563] write(1, "executing program\n", 18 [pid 6559] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program executing program [pid 6564] <... rseq resumed>) = 0 [pid 6563] <... write resumed>) = 18 [pid 6562] <... close resumed>) = 0 [pid 6561] <... close resumed>) = 0 [pid 6564] set_robust_list(0x7f39493479a0, 24 [pid 6563] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] write(1, "executing program\n", 18 [pid 6561] write(1, "executing program\n", 18 [pid 6564] <... set_robust_list resumed>) = 0 [pid 6562] <... write resumed>) = 18 [pid 6561] <... write resumed>) = 18 [pid 6564] rt_sigprocmask(SIG_SETMASK, [], [pid 6561] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6562] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = 0 [pid 6564] memfd_create("syzkaller", 0 [pid 6563] <... futex resumed>) = 0 [pid 6562] <... futex resumed>) = 0 [pid 6561] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6564] <... memfd_create resumed>) = 3 [pid 6563] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6562] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6561] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6563] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6562] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6564] <... mmap resumed>) = 0x7f3940e00000 [pid 6563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6562] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6562] <... mmap resumed>) = 0x7f3949327000 [pid 6561] <... mmap resumed>) = 0x7f3949327000 [pid 6563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6563] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6563] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6560] <... write resumed>) = 1048576 [pid 6563] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6565 attached [pid 6565] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6563] <... clone3 resumed> => {parent_tid=[6565]}, 88) = 6565 [pid 6562] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6561] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6560] munmap(0x7f3940e00000, 138412032 [pid 6565] <... rseq resumed>) = 0 [pid 6561] <... mprotect resumed>) = 0 [pid 6565] set_robust_list(0x7f39493479a0, 24 [pid 6563] rt_sigprocmask(SIG_SETMASK, [], [pid 6562] <... mprotect resumed>) = 0 [pid 6561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6565] <... set_robust_list resumed>) = 0 [pid 6563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6562] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6560] <... munmap resumed>) = 0 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], [pid 6563] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6563] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6566 attached [pid 6565] memfd_create("syzkaller", 0 [pid 6563] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6566] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6562] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6561] <... clone3 resumed> => {parent_tid=[6566]}, 88) = 6566 [pid 6560] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6566] <... rseq resumed>) = 0 [pid 6566] set_robust_list(0x7f39493479a0, 24 [pid 6565] <... memfd_create resumed>) = 3 [pid 6561] rt_sigprocmask(SIG_SETMASK, [], [pid 6560] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6567 attached [pid 6566] <... set_robust_list resumed>) = 0 [pid 6561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], [pid 6562] <... clone3 resumed> => {parent_tid=[6567]}, 88) = 6567 [pid 6561] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] close(3 [pid 6567] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6567] <... rseq resumed>) = 0 [pid 6562] rt_sigprocmask(SIG_SETMASK, [], [pid 6561] <... futex resumed>) = 0 [pid 6567] set_robust_list(0x7f39493479a0, 24 [pid 6566] memfd_create("syzkaller", 0 [pid 6565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6562] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6567] <... set_robust_list resumed>) = 0 [pid 6566] <... memfd_create resumed>) = 3 [pid 6565] <... mmap resumed>) = 0x7f3940e00000 [pid 6564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6562] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] rt_sigprocmask(SIG_SETMASK, [], [pid 6566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6562] <... futex resumed>) = 0 [pid 6567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6566] <... mmap resumed>) = 0x7f3940e00000 [pid 6562] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6567] memfd_create("syzkaller", 0 [pid 6560] <... close resumed>) = 0 [pid 6565] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6567] <... memfd_create resumed>) = 3 [pid 6566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6564] <... write resumed>) = 1048576 [pid 6560] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6565] <... write resumed>) = 1048576 [pid 6564] munmap(0x7f3940e00000, 138412032 [pid 6560] <... futex resumed>) = 1 [pid 6558] <... futex resumed>) = 0 [pid 6567] <... mmap resumed>) = 0x7f3940e00000 [pid 6565] munmap(0x7f3940e00000, 138412032 [pid 6564] <... munmap resumed>) = 0 [pid 6560] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... futex resumed>) = 0 [pid 6565] <... munmap resumed>) = 0 [pid 6558] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6560] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6564] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6566] <... write resumed>) = 1048576 [pid 6560] <... openat resumed>) = 3 [pid 6564] close(3 [pid 6567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6566] munmap(0x7f3940e00000, 138412032 [pid 6565] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6560] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6560] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] <... futex resumed>) = 0 [pid 6558] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6560] <... futex resumed>) = 0 [pid 6560] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = -1 EBUSY (Device or resource busy) [pid 6558] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] <... write resumed>) = 1048576 [pid 6566] <... munmap resumed>) = 0 [pid 6565] close(3 [pid 6564] <... close resumed>) = 0 [pid 6560] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6566] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6564] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... futex resumed>) = 0 [pid 6558] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6564] <... futex resumed>) = 1 [pid 6559] <... futex resumed>) = 0 [pid 6558] <... futex resumed>) = 0 [pid 6560] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6567] munmap(0x7f3940e00000, 138412032 [pid 6566] close(3 [pid 6564] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6559] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... munmap resumed>) = 0 [pid 6565] <... close resumed>) = 0 [pid 6564] <... openat resumed>) = 3 [pid 6560] +++ killed by SIGBUS +++ [pid 6567] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6567] close(3 [pid 6566] <... close resumed>) = 0 [pid 6565] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = 0 [pid 6558] +++ killed by SIGBUS +++ [pid 6566] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6558, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6567] <... close resumed>) = 0 [pid 6566] <... futex resumed>) = 1 [pid 6565] <... futex resumed>) = 1 [pid 6564] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] <... futex resumed>) = 0 [pid 6561] <... futex resumed>) = 0 [pid 6559] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6566] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6563] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6563] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... restart_syscall resumed>) = 0 [pid 6565] <... openat resumed>) = 3 [pid 6565] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... futex resumed>) = 1 [pid 6564] <... futex resumed>) = 0 [pid 6563] <... futex resumed>) = 0 [pid 6561] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = 1 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6566] <... futex resumed>) = 0 [pid 6565] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6564] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6563] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = 1 [pid 6559] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6567] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6564] <... mmap resumed>) = 0x200000000000 [pid 6563] <... futex resumed>) = 0 [pid 6561] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6567] <... futex resumed>) = 1 [pid 6566] <... openat resumed>) = 3 [pid 6565] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6564] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6568 attached [pid 6567] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... mmap resumed>) = 0x200000000000 [pid 6564] <... futex resumed>) = 1 [pid 6562] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = 0 [pid 6568] set_robust_list(0x55558704b6a0, 24 [pid 6567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6568 [pid 6568] <... set_robust_list resumed>) = 0 [pid 6567] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6562] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6567] <... openat resumed>) = 3 [pid 6566] <... futex resumed>) = 1 [pid 6565] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6561] <... futex resumed>) = 0 [pid 6559] read(1229035008, [pid 6568] <... prctl resumed>) = 0 [pid 6567] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6561] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] setpgid(0, 0 [pid 6567] <... futex resumed>) = 1 [pid 6566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6565] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6564] +++ killed by SIGBUS +++ [pid 6563] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = 0 [pid 6561] <... futex resumed>) = 0 [pid 6559] +++ killed by SIGBUS +++ [pid 6568] <... setpgid resumed>) = 0 [pid 6567] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6562] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6566] <... mmap resumed>) = 0x200000000000 [pid 6565] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6563] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6559, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6568] <... openat resumed>) = 3 [pid 6567] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6566] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... futex resumed>) = ? [pid 6562] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6568] write(3, "1000", 4 [pid 6567] <... mmap resumed>) = 0x200000000000 [pid 6566] <... futex resumed>) = 1 [pid 6565] +++ killed by SIGBUS +++ [pid 6563] +++ killed by SIGBUS +++ [pid 6561] <... futex resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6568] <... write resumed>) = 4 [pid 6567] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6563, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6568] close(3 [pid 6567] <... futex resumed>) = 1 [pid 6566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] <... futex resumed>) = 0 [pid 6561] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6568] <... close resumed>) = 0 [pid 6567] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- executing program [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6568] write(1, "executing program\n", 18 [pid 6567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6568] <... write resumed>) = 18 [pid 6567] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6562] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6568] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6569 attached [pid 6568] <... futex resumed>) = 0 [pid 6566] +++ killed by SIGBUS +++ [pid 6562] <... futex resumed>) = ? [pid 6561] +++ killed by SIGBUS +++ [pid 6568] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6567] +++ killed by SIGBUS +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6561, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6568] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6562] +++ killed by SIGBUS +++ [pid 5829] <... restart_syscall resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6569 [pid 6569] set_robust_list(0x55558704b6a0, 24 [pid 6568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6569] <... set_robust_list resumed>) = 0 [pid 6568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6562, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6569] <... prctl resumed>) = 0 [pid 6568] <... mmap resumed>) = 0x7f3949327000 [pid 6569] setpgid(0, 0 [pid 6568] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6568] <... mprotect resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6570 attached [pid 6569] <... setpgid resumed>) = 0 [pid 6570] set_robust_list(0x55558704b6a0, 24 [pid 6569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6570 [pid 6570] <... set_robust_list resumed>) = 0 [pid 6570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 6571 attached [pid 6569] <... openat resumed>) = 3 [pid 6568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6571] set_robust_list(0x55558704b6a0, 24 [pid 6569] write(3, "1000", 4 [pid 6568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6571] <... set_robust_list resumed>) = 0 [pid 6569] <... write resumed>) = 4 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6571 [pid 6571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6570] setpgid(0, 0 [pid 6569] close(3./strace-static-x86_64: Process 6572 attached [pid 6571] <... prctl resumed>) = 0 [pid 6570] <... setpgid resumed>) = 0 [pid 6569] <... close resumed>) = 0 [pid 6572] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6571] setpgid(0, 0 [pid 6570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6572] <... rseq resumed>) = 0 [pid 6571] <... setpgid resumed>) = 0 [pid 6570] <... openat resumed>) = 3 [pid 6569] write(1, "executing program\n", 18 [pid 6568] <... clone3 resumed> => {parent_tid=[6572]}, 88) = 6572 [pid 6572] set_robust_list(0x7f39493479a0, 24 [pid 6569] <... write resumed>) = 18 [pid 6570] write(3, "1000", 4 [pid 6572] <... set_robust_list resumed>) = 0 [pid 6571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6569] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] rt_sigprocmask(SIG_SETMASK, [], [pid 6572] rt_sigprocmask(SIG_SETMASK, [], [pid 6569] <... futex resumed>) = 0 [pid 6568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] <... openat resumed>) = 3 [pid 6570] <... write resumed>) = 4 [pid 6569] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6568] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] memfd_create("syzkaller", 0 [pid 6571] write(3, "1000", 4 [pid 6570] close(3 [pid 6569] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6572] <... memfd_create resumed>) = 3 [pid 6569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6568] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] <... write resumed>) = 4 [pid 6572] <... mmap resumed>) = 0x7f3940e00000 [pid 6570] <... close resumed>) = 0 [pid 6569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6571] close(3 [pid 6570] write(1, "executing program\n", 18executing program [pid 6569] <... mmap resumed>) = 0x7f3949327000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6571] <... close resumed>) = 0 [pid 6570] <... write resumed>) = 18 executing program [pid 6571] write(1, "executing program\n", 18 [pid 6570] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6571] <... write resumed>) = 18 [pid 6570] <... futex resumed>) = 0 [pid 6570] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6571] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6571] <... futex resumed>) = 0 [pid 6570] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6571] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6573 attached [pid 6571] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6569] <... mprotect resumed>) = 0 [pid 6571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6569] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6573] set_robust_list(0x55558704b6a0, 24 [pid 6569] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6573] <... set_robust_list resumed>) = 0 [pid 6569] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6574 attached [pid 6573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6570] <... mmap resumed>) = 0x7f3949327000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6573 [pid 6574] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6573] <... prctl resumed>) = 0 [pid 6572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6571] <... mmap resumed>) = 0x7f3949327000 [pid 6570] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6569] <... clone3 resumed> => {parent_tid=[6574]}, 88) = 6574 [pid 6574] <... rseq resumed>) = 0 [pid 6573] setpgid(0, 0 [pid 6571] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6574] set_robust_list(0x7f39493479a0, 24 [pid 6573] <... setpgid resumed>) = 0 [pid 6571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6570] <... mprotect resumed>) = 0 [pid 6569] rt_sigprocmask(SIG_SETMASK, [], [pid 6574] <... set_robust_list resumed>) = 0 [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6574] rt_sigprocmask(SIG_SETMASK, [], [pid 6569] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6575 attached [pid 6574] memfd_create("syzkaller", 0 [pid 6573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6569] <... futex resumed>) = 0 [pid 6575] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6574] <... memfd_create resumed>) = 3 [pid 6573] <... openat resumed>) = 3 [pid 6571] <... clone3 resumed> => {parent_tid=[6575]}, 88) = 6575 [pid 6570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6569] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6575] <... rseq resumed>) = 0 [pid 6574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6573] write(3, "1000", 4 [pid 6571] rt_sigprocmask(SIG_SETMASK, [], [pid 6570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6574] <... mmap resumed>) = 0x7f3940e00000 [pid 6573] <... write resumed>) = 4 [pid 6570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6575] set_robust_list(0x7f39493479a0, 24 [pid 6571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6575] <... set_robust_list resumed>) = 0 [pid 6571] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6576 attached [pid 6575] rt_sigprocmask(SIG_SETMASK, [], [pid 6573] close(3 [pid 6571] <... futex resumed>) = 0 [pid 6575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6576] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6575] memfd_create("syzkaller", 0 [pid 6576] <... rseq resumed>) = 0 [pid 6576] set_robust_list(0x7f39493479a0, 24executing program [pid 6575] <... memfd_create resumed>) = 3 [pid 6576] <... set_robust_list resumed>) = 0 [pid 6576] rt_sigprocmask(SIG_SETMASK, [], [pid 6573] <... close resumed>) = 0 [pid 6570] <... clone3 resumed> => {parent_tid=[6576]}, 88) = 6576 [pid 6570] rt_sigprocmask(SIG_SETMASK, [], [pid 6573] write(1, "executing program\n", 18) = 18 [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6570] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] memfd_create("syzkaller", 0 [pid 6575] <... mmap resumed>) = 0x7f3940e00000 [pid 6573] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6573] <... futex resumed>) = 0 [pid 6572] <... write resumed>) = 1048576 [pid 6570] <... futex resumed>) = 0 [pid 6576] <... memfd_create resumed>) = 3 [pid 6573] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6572] munmap(0x7f3940e00000, 138412032 [pid 6570] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6573] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6576] <... mmap resumed>) = 0x7f3940e00000 [pid 6573] <... mmap resumed>) = 0x7f3949327000 [pid 6572] <... munmap resumed>) = 0 [pid 6573] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6572] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6572] close(3 [pid 6575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6575] <... write resumed>) = 1048576 [pid 6574] <... write resumed>) = 1048576 [pid 6573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6572] <... close resumed>) = 0 [pid 6572] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6572] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6568] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... openat resumed>) = 3 [pid 6568] <... futex resumed>) = 0 [pid 6568] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6572] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... write resumed>) = 1048576 [pid 6575] munmap(0x7f3940e00000, 138412032 [pid 6574] munmap(0x7f3940e00000, 138412032 [pid 6573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6576] munmap(0x7f3940e00000, 138412032 [pid 6572] <... futex resumed>) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6575] <... munmap resumed>) = 0 [pid 6573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6572] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6568] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] <... munmap resumed>) = 0 [pid 6574] <... munmap resumed>) = 0 [pid 6575] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6572] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 6577 attached [pid 6576] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6575] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6574] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6572] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... futex resumed>) = 0 [pid 6577] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6568] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6572] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6577] <... rseq resumed>) = 0 [pid 6574] close(3 [pid 6573] <... clone3 resumed> => {parent_tid=[6577]}, 88) = 6577 [pid 6572] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] set_robust_list(0x7f39493479a0, 24 [pid 6568] <... futex resumed>) = 0 [pid 6576] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6573] rt_sigprocmask(SIG_SETMASK, [], [pid 6568] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... set_robust_list resumed>) = 0 [pid 6576] close(3 [pid 6575] close(3 [pid 6573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6576] <... close resumed>) = 0 [pid 6575] <... close resumed>) = 0 [pid 6574] <... close resumed>) = 0 [pid 6573] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6573] <... futex resumed>) = 0 [pid 6576] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6577] memfd_create("syzkaller", 0 [pid 6576] <... futex resumed>) = 1 [pid 6575] <... futex resumed>) = 1 [pid 6574] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = 0 [pid 6570] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = ? [pid 6576] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6575] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] <... futex resumed>) = 1 [pid 6571] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6571] <... futex resumed>) = 0 [pid 6570] <... futex resumed>) = 0 [pid 6569] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6575] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6571] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6570] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] <... futex resumed>) = 0 [pid 6576] <... openat resumed>) = 3 [pid 6575] <... openat resumed>) = 3 [pid 6569] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... memfd_create resumed>) = 3 [pid 6575] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6572] +++ killed by SIGBUS +++ [pid 6570] <... futex resumed>) = 0 [pid 6568] +++ killed by SIGBUS +++ [pid 6577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6576] <... futex resumed>) = 1 [pid 6575] <... futex resumed>) = 1 [pid 6574] <... openat resumed>) = 3 [pid 6571] <... futex resumed>) = 0 [pid 6570] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6568, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6577] <... mmap resumed>) = 0x7f3940e00000 [pid 6576] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6575] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... futex resumed>) = 0 [pid 6576] <... mmap resumed>) = 0x200000000000 [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6571] <... futex resumed>) = 0 [pid 6570] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6571] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... mmap resumed>) = 0x200000000000 [pid 6576] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = 0 [pid 6570] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6570] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6570] <... futex resumed>) = ? [pid 6577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6575] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6574] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6575] <... futex resumed>) = 1 [pid 6574] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6571] <... futex resumed>) = 0 [pid 6569] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6576] +++ killed by SIGBUS +++ [pid 6575] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] <... mmap resumed>) = 0x200000000000 [pid 6571] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6574] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6570, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6575] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6574] <... futex resumed>) = 1 [pid 6571] ???( [pid 6569] <... futex resumed>) = 0 [pid 6571] <... ??? resumed>) = ? [pid 6569] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6578 attached [pid 6574] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6569] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6578 [pid 6578] set_robust_list(0x55558704b6a0, 24 [pid 6575] +++ killed by SIGBUS +++ [pid 6571] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6571, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6574] +++ killed by SIGBUS +++ [pid 6569] +++ killed by SIGBUS +++ [pid 6578] <... set_robust_list resumed>) = 0 [pid 6577] <... write resumed>) = 1048576 [pid 6578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6577] munmap(0x7f3940e00000, 138412032 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6569, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6578] <... prctl resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6578] setpgid(0, 0 [pid 6577] <... munmap resumed>) = 0 [pid 6578] <... setpgid resumed>) = 0 [pid 6578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6577] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6577] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6578] <... openat resumed>) = 3 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6577] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6578] write(3, "1000", 4 [pid 6577] <... close resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6578] <... write resumed>) = 4 [pid 6577] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6579 attached [pid 6577] <... futex resumed>) = 1 [pid 6573] <... futex resumed>) = 0 [pid 6579] set_robust_list(0x55558704b6a0, 24 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6579] <... set_robust_list resumed>) = 0 [pid 6573] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] close(3 [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6577] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6573] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6579 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6573] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6580 attached [pid 6579] <... prctl resumed>) = 0 [pid 6578] <... close resumed>) = 0 executing program [pid 6579] setpgid(0, 0 [pid 6578] write(1, "executing program\n", 18 [pid 6580] set_robust_list(0x55558704b6a0, 24 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6580 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6579] <... setpgid resumed>) = 0 [pid 6578] <... write resumed>) = 18 [pid 6577] <... openat resumed>) = 3 [pid 6580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6578] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6578] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6577] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6581 attached [pid 6580] <... prctl resumed>) = 0 [pid 6579] <... openat resumed>) = 3 [pid 6578] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6577] <... futex resumed>) = 1 [pid 6573] <... futex resumed>) = 0 [pid 6580] setpgid(0, 0 [pid 6578] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6573] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] set_robust_list(0x55558704b6a0, 24 [pid 6580] <... setpgid resumed>) = 0 [pid 6578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6577] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6581 [pid 6573] <... futex resumed>) = 0 [pid 6581] <... set_robust_list resumed>) = 0 [pid 6580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6579] write(3, "1000", 4 [pid 6578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6577] <... mmap resumed>) = 0x200000000000 [pid 6581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6578] <... mmap resumed>) = 0x7f3949327000 [pid 6573] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] <... prctl resumed>) = 0 [pid 6580] <... openat resumed>) = 3 [pid 6579] <... write resumed>) = 4 [pid 6578] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6577] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] setpgid(0, 0 [pid 6578] <... mprotect resumed>) = 0 [pid 6573] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... setpgid resumed>) = 0 [pid 6580] write(3, "1000", 4 [pid 6579] close(3 [pid 6578] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6577] <... futex resumed>) = 0 [pid 6573] <... futex resumed>) = 0 [pid 6581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6580] <... write resumed>) = 4 [pid 6579] <... close resumed>) = 0 [pid 6577] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6573] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] close(3 executing program [pid 6579] write(1, "executing program\n", 18 [pid 6578] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6580] <... close resumed>) = 0 [pid 6579] <... write resumed>) = 18 [pid 6578] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}executing program [pid 6573] <... futex resumed>) = ? ./strace-static-x86_64: Process 6582 attached [pid 6581] <... openat resumed>) = 3 [pid 6580] write(1, "executing program\n", 18 [pid 6579] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] +++ killed by SIGBUS +++ [pid 6580] <... write resumed>) = 18 [pid 6579] <... futex resumed>) = 0 [pid 6578] <... clone3 resumed> => {parent_tid=[6582]}, 88) = 6582 [pid 6580] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6578] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] <... futex resumed>) = 0 [pid 6579] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6580] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6578] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6578] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] <... mmap resumed>) = 0x7f3949327000 [pid 6578] <... futex resumed>) = 0 [pid 6573] +++ killed by SIGBUS +++ [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6578] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6580] <... mmap resumed>) = 0x7f3949327000 [pid 6579] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6582] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6581] write(3, "1000", 4 [pid 6579] <... mprotect resumed>) = 0 [pid 6582] <... rseq resumed>) = 0 [pid 6581] <... write resumed>) = 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6573, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6582] set_robust_list(0x7f39493479a0, 24 [pid 6581] close(3 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6582] <... set_robust_list resumed>) = 0 [pid 6582] rt_sigprocmask(SIG_SETMASK, [], [pid 6581] <... close resumed>) = 0 [pid 6580] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6582] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6581] write(1, "executing program\n", 18 [pid 6580] <... mprotect resumed>) = 0 [pid 6579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6582] memfd_create("syzkaller", 0 [pid 6581] <... write resumed>) = 18 [pid 6580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6583 attached [pid 6582] <... memfd_create resumed>) = 3 [pid 6581] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6583] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6581] <... futex resumed>) = 0 [pid 6580] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5832] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6584 attached [pid 6583] <... rseq resumed>) = 0 [pid 6582] <... mmap resumed>) = 0x7f3940e00000 [pid 6581] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6584] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6583] set_robust_list(0x7f39493479a0, 24 [pid 6581] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6579] <... clone3 resumed> => {parent_tid=[6583]}, 88) = 6583 [pid 6580] <... clone3 resumed> => {parent_tid=[6584]}, 88) = 6584 [pid 6579] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] rt_sigprocmask(SIG_SETMASK, [], [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6579] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6580] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6581] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6583] <... set_robust_list resumed>) = 0 [pid 6584] <... rseq resumed>) = 0 [pid 6584] set_robust_list(0x7f39493479a0, 24 [pid 6583] rt_sigprocmask(SIG_SETMASK, [], [pid 6582] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6584] <... set_robust_list resumed>) = 0 [pid 6583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6581] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6583] memfd_create("syzkaller", 0 [pid 6582] <... write resumed>) = 1048576 [pid 6581] <... mmap resumed>) = 0x7f3949327000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6582] munmap(0x7f3940e00000, 138412032 [pid 6584] memfd_create("syzkaller", 0 [pid 6583] <... memfd_create resumed>) = 3 [pid 6581] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6582] <... munmap resumed>) = 0 [pid 6582] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6581] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6585 attached [pid 6584] <... memfd_create resumed>) = 3 [pid 6583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6582] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6585] set_robust_list(0x55558704b6a0, 24 [pid 6584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6583] <... mmap resumed>) = 0x7f3940e00000 [pid 6582] close(3 [pid 6581] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6585 [pid 6585] <... set_robust_list resumed>) = 0 [pid 6584] <... mmap resumed>) = 0x7f3940e00000 [pid 6582] <... close resumed>) = 0 [pid 6581] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6581] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6586 attached [pid 6585] <... prctl resumed>) = 0 [pid 6583] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6585] setpgid(0, 0 [pid 6581] <... clone3 resumed> => {parent_tid=[6586]}, 88) = 6586 [pid 6586] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6585] <... setpgid resumed>) = 0 [pid 6581] rt_sigprocmask(SIG_SETMASK, [], [pid 6582] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] <... rseq resumed>) = 0 [pid 6585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6584] <... write resumed>) = 1048576 [pid 6581] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6586] set_robust_list(0x7f39493479a0, 24 [pid 6582] <... futex resumed>) = 1 [pid 6586] <... set_robust_list resumed>) = 0 [pid 6581] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6582] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] <... futex resumed>) = 0 [pid 6586] memfd_create("syzkaller", 0 [pid 6581] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6578] <... futex resumed>) = 0 [pid 6578] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... openat resumed>) = 3 [pid 6582] <... futex resumed>) = 0 [pid 6578] <... futex resumed>) = 1 [pid 6582] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6586] <... memfd_create resumed>) = 3 [pid 6585] write(3, "1000", 4 [pid 6584] munmap(0x7f3940e00000, 138412032 [pid 6582] <... openat resumed>) = 3 [pid 6586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6585] <... write resumed>) = 4 [pid 6582] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6582] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] <... mmap resumed>) = 0x7f3940e00000 [pid 6585] close(3 [pid 6584] <... munmap resumed>) = 0 [pid 6583] <... write resumed>) = 1048576 [pid 6583] munmap(0x7f3940e00000, 138412032 [pid 6578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6583] <... munmap resumed>) = 0 [pid 6578] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] <... futex resumed>) = 0 [pid 6582] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 1 [pid 6582] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 0 [pid 6578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6582] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6578] <... futex resumed>) = 0 [pid 6583] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6582] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6578] ???( [pid 6583] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6586] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6585] <... close resumed>) = 0 [pid 6584] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6578] <... ??? resumed>) = ? [pid 6585] write(1, "executing program\n", 18) = 18 [pid 6584] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6583] close(3 [pid 6582] +++ killed by SIGBUS +++ [pid 6578] +++ killed by SIGBUS +++ [pid 6585] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] close(3 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6578, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6585] <... futex resumed>) = 0 [pid 6583] <... close resumed>) = 0 [pid 6586] <... write resumed>) = 1048576 [pid 6585] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6584] <... close resumed>) = 0 [pid 6585] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6586] munmap(0x7f3940e00000, 138412032 [pid 6585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6584] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6584] <... futex resumed>) = 1 [pid 6583] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 0 [pid 6586] <... munmap resumed>) = 0 [pid 6585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6584] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6580] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6585] <... mmap resumed>) = 0x7f3949327000 [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6583] <... openat resumed>) = 3 [pid 6580] <... futex resumed>) = 0 [pid 6579] <... futex resumed>) = 0 [pid 6585] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6586] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6585] <... mprotect resumed>) = 0 [pid 6584] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6580] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] close(3 [pid 6584] <... openat resumed>) = 3 [pid 6583] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6585] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6584] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... futex resumed>) = 0 [pid 6579] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... futex resumed>) = 1 [pid 6583] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6580] <... futex resumed>) = 0 [pid 6579] <... futex resumed>) = 0 [pid 6584] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] <... mmap resumed>) = 0x200000000000 [pid 6580] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = 0 [pid 6584] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6580] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] <... close resumed>) = 0 [pid 6584] <... mmap resumed>) = 0x200000000000 [pid 6583] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6579] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6586] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6583] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6579] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6586] <... futex resumed>) = 1 [pid 6585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6584] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 0 [pid 6579] <... futex resumed>) = ? ./strace-static-x86_64: Process 6587 attached [pid 6586] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 1 [pid 6583] +++ killed by SIGBUS +++ [pid 6581] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... futex resumed>) = 0 [pid 6579] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6588 attached [pid 6587] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6585] <... clone3 resumed> => {parent_tid=[6587]}, 88) = 6587 [pid 6584] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] <... futex resumed>) = 0 [pid 6580] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6579, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6588] set_robust_list(0x55558704b6a0, 24 [pid 6587] <... rseq resumed>) = 0 [pid 6586] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6585] rt_sigprocmask(SIG_SETMASK, [], [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] <... futex resumed>) = 0 [pid 6588] <... set_robust_list resumed>) = 0 [pid 6587] set_robust_list(0x7f39493479a0, 24 [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] <... set_robust_list resumed>) = 0 [pid 6586] <... openat resumed>) = 3 [pid 6585] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6580] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6588 [pid 6588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6586] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = 0 [pid 6588] <... prctl resumed>) = 0 [pid 6587] rt_sigprocmask(SIG_SETMASK, [], [pid 6586] <... futex resumed>) = 1 [pid 6585] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6584] +++ killed by SIGBUS +++ [pid 6581] <... futex resumed>) = 0 [pid 6580] +++ killed by SIGBUS +++ [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6588] setpgid(0, 0 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6586] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6588] <... setpgid resumed>) = 0 [pid 6586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] <... futex resumed>) = 0 [pid 6581] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6589 attached [pid 6588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6587] memfd_create("syzkaller", 0 [pid 6586] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6580, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6589 [pid 6589] set_robust_list(0x55558704b6a0, 24 [pid 6588] <... openat resumed>) = 3 [pid 6587] <... memfd_create resumed>) = 3 [pid 6586] <... mmap resumed>) = 0x200000000000 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6588] write(3, "1000", 4executing program [pid 6589] <... set_robust_list resumed>) = 0 [pid 6588] <... write resumed>) = 4 [pid 6587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6586] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6588] close(3) = 0 [pid 6587] <... mmap resumed>) = 0x7f3940e00000 [pid 6586] <... futex resumed>) = 1 [pid 6581] <... futex resumed>) = 0 [pid 6586] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6588] write(1, "executing program\n", 18 [pid 6581] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6588] <... write resumed>) = 18 [pid 6586] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6586] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6588] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6588] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6588] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6589] <... prctl resumed>) = 0 [pid 6587] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6581] <... futex resumed>) = ? [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6589] setpgid(0, 0 [pid 6588] <... mprotect resumed>) = 0 [pid 6586] +++ killed by SIGBUS +++ [pid 6581] +++ killed by SIGBUS +++ [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6589] <... setpgid resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6588] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6590 attached [pid 6589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6588] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6587] <... write resumed>) = 1048576 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6581, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6590] set_robust_list(0x55558704b6a0, 24 [pid 6589] <... openat resumed>) = 3 [pid 6588] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6591 attached [pid 6590] <... set_robust_list resumed>) = 0 [pid 6589] write(3, "1000", 4 [pid 6587] munmap(0x7f3940e00000, 138412032 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6590 [pid 6591] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6589] <... write resumed>) = 4 [pid 6588] <... clone3 resumed> => {parent_tid=[6591]}, 88) = 6591 [pid 6587] <... munmap resumed>) = 0 [pid 6591] <... rseq resumed>) = 0 [pid 6590] <... prctl resumed>) = 0 [pid 6589] close(3 [pid 6588] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6591] set_robust_list(0x7f39493479a0, 24 [pid 6590] setpgid(0, 0 [pid 6589] <... close resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6591] <... set_robust_list resumed>) = 0 [pid 6590] <... setpgid resumed>) = 0 [pid 6589] write(1, "executing program\n", 18 [pid 6588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6591] rt_sigprocmask(SIG_SETMASK, [], [pid 6590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6589] <... write resumed>) = 18 [pid 6588] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6589] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = 0 [pid 6588] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6587] close(3 [pid 6589] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 6592 attached NULL, 8) = 0 [pid 6589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6591] memfd_create("syzkaller", 0 [pid 6589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6590] <... openat resumed>) = 3 [pid 6589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6592] set_robust_list(0x55558704b6a0, 24 [pid 6591] <... memfd_create resumed>) = 3 [pid 6590] write(3, "1000", 4 [pid 6589] <... mmap resumed>) = 0x7f3949327000 [pid 6592] <... set_robust_list resumed>) = 0 [pid 6591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6590] <... write resumed>) = 4 [pid 6589] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6587] <... close resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6592 [pid 6592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6591] <... mmap resumed>) = 0x7f3940e00000 [pid 6590] close(3 [pid 6589] <... mprotect resumed>) = 0 [pid 6590] <... close resumed>) = 0 [pid 6589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6592] <... prctl resumed>) = 0 [pid 6591] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6590] write(1, "executing program\n", 18 [pid 6589] <... rt_sigprocmask resumed>[], 8) = 0 executing program [pid 6587] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] setpgid(0, 0executing program [pid 6590] <... write resumed>) = 18 [pid 6589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6593 attached [pid 6592] <... setpgid resumed>) = 0 [pid 6590] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = 1 [pid 6585] <... futex resumed>) = 0 [pid 6592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6590] <... futex resumed>) = 0 [pid 6589] <... clone3 resumed> => {parent_tid=[6593]}, 88) = 6593 [pid 6587] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] <... openat resumed>) = 3 [pid 6590] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6589] rt_sigprocmask(SIG_SETMASK, [], [pid 6592] write(3, "1000", 4 [pid 6590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6592] <... write resumed>) = 4 [pid 6590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6589] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] close(3 [pid 6590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6589] <... futex resumed>) = 0 [pid 6592] <... close resumed>) = 0 [pid 6590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6589] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6592] write(1, "executing program\n", 18 [pid 6590] <... mmap resumed>) = 0x7f3949327000 [pid 6592] <... write resumed>) = 18 [pid 6592] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6592] <... futex resumed>) = 0 [pid 6590] <... mprotect resumed>) = 0 [pid 6592] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6590] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6593] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6591] <... write resumed>) = 1048576 [pid 6590] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6585] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... rseq resumed>) = 0 [pid 6592] <... mmap resumed>) = 0x7f3949327000 [pid 6591] munmap(0x7f3940e00000, 138412032 [pid 6587] <... futex resumed>) = 0 [pid 6593] set_robust_list(0x7f39493479a0, 24 [pid 6585] <... futex resumed>) = 1 [pid 6587] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6593] <... set_robust_list resumed>) = 0 [pid 6592] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6587] <... openat resumed>) = 3 [pid 6585] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6594 attached [pid 6593] rt_sigprocmask(SIG_SETMASK, [], [pid 6592] <... mprotect resumed>) = 0 [pid 6591] <... munmap resumed>) = 0 [pid 6587] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6591] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6590] <... clone3 resumed> => {parent_tid=[6594]}, 88) = 6594 [pid 6587] <... futex resumed>) = 0 [pid 6594] <... rseq resumed>) = 0 [pid 6592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6590] rt_sigprocmask(SIG_SETMASK, [], [pid 6585] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] set_robust_list(0x7f39493479a0, 24 [pid 6592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6590] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6595 attached [pid 6594] <... set_robust_list resumed>) = 0 [pid 6593] memfd_create("syzkaller", 0 [pid 6591] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6590] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6585] <... futex resumed>) = 0 [pid 6595] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6594] rt_sigprocmask(SIG_SETMASK, [], [pid 6590] <... futex resumed>) = 0 [pid 6590] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6592] <... clone3 resumed> => {parent_tid=[6595]}, 88) = 6595 [pid 6594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6592] rt_sigprocmask(SIG_SETMASK, [], [pid 6587] <... mmap resumed>) = 0x200000000000 [pid 6585] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6592] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] memfd_create("syzkaller", 0 [pid 6592] <... futex resumed>) = 0 [pid 6592] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6595] <... rseq resumed>) = 0 [pid 6594] <... memfd_create resumed>) = 3 [pid 6591] close(3 [pid 6595] set_robust_list(0x7f39493479a0, 24 [pid 6594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6587] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... memfd_create resumed>) = 3 [pid 6593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6595] <... set_robust_list resumed>) = 0 [pid 6594] <... mmap resumed>) = 0x7f3940e00000 [pid 6587] <... futex resumed>) = 1 [pid 6585] <... futex resumed>) = 0 [pid 6595] rt_sigprocmask(SIG_SETMASK, [], [pid 6587] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6585] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6585] <... futex resumed>) = 0 [pid 6585] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6594] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6591] <... close resumed>) = 0 [pid 6585] <... futex resumed>) = ? [pid 6595] memfd_create("syzkaller", 0 [pid 6587] +++ killed by SIGBUS +++ [pid 6585] +++ killed by SIGBUS +++ [pid 6591] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6588] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6585, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6591] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6591] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6588] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6591] <... openat resumed>) = 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6595] <... memfd_create resumed>) = 3 [pid 6591] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6588] <... futex resumed>) = 0 [pid 6591] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6596 attached [pid 6595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6588] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... futex resumed>) = 0 [pid 6588] <... futex resumed>) = 1 [pid 6596] set_robust_list(0x55558704b6a0, 24 [pid 6595] <... mmap resumed>) = 0x7f3940e00000 [pid 6591] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6588] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] <... set_robust_list resumed>) = 0 [pid 6591] <... mmap resumed>) = 0x200000000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6596 [pid 6596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6591] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... prctl resumed>) = 0 [pid 6591] <... futex resumed>) = 1 [pid 6588] <... futex resumed>) = 0 [pid 6591] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6588] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = ? [pid 6591] +++ killed by SIGBUS +++ [pid 6588] +++ killed by SIGBUS +++ [pid 6596] setpgid(0, 0) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6588, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6596] write(3, "1000", 4) = 4 [pid 6596] close(3) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program [pid 6596] write(1, "executing program\n", 18) = 18 [pid 6593] <... write resumed>) = 1048576 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6596] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6596] <... futex resumed>) = 0 [pid 6596] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6593] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6597 attached [pid 6596] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6594] <... write resumed>) = 1048576 [pid 6597] set_robust_list(0x55558704b6a0, 24 [pid 6596] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6593] <... munmap resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6597 [pid 6597] <... set_robust_list resumed>) = 0 [pid 6594] munmap(0x7f3940e00000, 138412032 [pid 6593] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6594] <... munmap resumed>) = 0 [pid 6593] close(3 [pid 6597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6594] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6593] <... close resumed>) = 0 [pid 6597] <... prctl resumed>) = 0 [pid 6596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6597] setpgid(0, 0 [pid 6596] <... mmap resumed>) = 0x7f3949327000 [pid 6594] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6593] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... setpgid resumed>) = 0 [pid 6596] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6596] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6593] <... futex resumed>) = 1 [pid 6594] close(3 [pid 6595] <... write resumed>) = 1048576 [pid 6589] <... futex resumed>) = 0 [pid 6589] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] munmap(0x7f3940e00000, 138412032 [pid 6589] <... futex resumed>) = 0 [pid 6596] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6593] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6596] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6593] <... openat resumed>) = 3 [pid 6595] <... munmap resumed>) = 0 [pid 6597] <... openat resumed>) = 3 [pid 6593] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6598 attached [pid 6596] <... clone3 resumed> => {parent_tid=[6598]}, 88) = 6598 [pid 6593] <... futex resumed>) = 0 [pid 6589] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] rt_sigprocmask(SIG_SETMASK, [], [pid 6593] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6596] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6596] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6598] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6597] write(3, "1000", 4 [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] <... rseq resumed>) = 0 [pid 6597] <... write resumed>) = 4 [pid 6589] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] set_robust_list(0x7f39493479a0, 24 [pid 6597] close(3 [pid 6595] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6593] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = 1 [pid 6598] <... set_robust_list resumed>) = 0 [pid 6597] <... close resumed>) = 0 [pid 6595] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6593] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6598] rt_sigprocmask(SIG_SETMASK, [], [pid 6597] write(1, "executing program\n", 18 [pid 6593] <... mmap resumed>) = 0x200000000000 [pid 6589] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6597] <... write resumed>) = 18 [pid 6595] close(3 [pid 6594] <... close resumed>) = 0 [pid 6593] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... futex resumed>) = 1 [pid 6589] <... futex resumed>) = 0 [pid 6597] <... futex resumed>) = 0 [pid 6594] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6594] <... futex resumed>) = 1 [pid 6593] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6590] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = 0 [pid 6597] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6594] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] memfd_create("syzkaller", 0 [pid 6597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6590] <... futex resumed>) = 0 [pid 6598] <... memfd_create resumed>) = 3 [pid 6597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6594] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6590] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6594] <... openat resumed>) = 3 [pid 6598] <... mmap resumed>) = 0x7f3940e00000 [pid 6597] <... mmap resumed>) = 0x7f3949327000 [pid 6594] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6594] <... futex resumed>) = 0 [pid 6593] +++ killed by SIGBUS +++ [pid 6590] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... mprotect resumed>) = 0 [pid 6590] <... futex resumed>) = 0 [pid 6590] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] +++ killed by SIGBUS +++ [pid 6594] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6594] <... mmap resumed>) = 0x200000000000 [pid 6597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6594] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6589, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6599 attached [pid 6594] <... futex resumed>) = 1 [pid 6590] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6599] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6594] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6590] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6599] <... rseq resumed>) = 0 [pid 6597] <... clone3 resumed> => {parent_tid=[6599]}, 88) = 6599 [pid 6590] <... futex resumed>) = ? [pid 6599] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6599] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6597] rt_sigprocmask(SIG_SETMASK, [], [pid 6595] <... close resumed>) = 0 [pid 6594] +++ killed by SIGBUS +++ [pid 6590] +++ killed by SIGBUS +++ [pid 6597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6597] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6590, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6597] <... futex resumed>) = 1 [pid 6599] <... futex resumed>) = 0 [pid 6597] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6599] memfd_create("syzkaller", 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6595] <... futex resumed>) = 1 [pid 6599] <... memfd_create resumed>) = 3 [pid 6595] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6592] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6595] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6592] <... futex resumed>) = 0 [pid 6599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6595] <... openat resumed>) = 3 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6599] <... mmap resumed>) = 0x7f3940e00000 [pid 6592] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6600 attached [pid 6595] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6592] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] set_robust_list(0x55558704b6a0, 24 [pid 6595] <... futex resumed>) = 0 [pid 6600] <... set_robust_list resumed>) = 0 [pid 6592] <... futex resumed>) = 0 [pid 6595] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6600 [pid 6600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6592] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... prctl resumed>) = 0 [pid 6595] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 6601 attached [pid 6600] setpgid(0, 0 [pid 6595] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] set_robust_list(0x55558704b6a0, 24 [pid 6600] <... setpgid resumed>) = 0 [pid 6599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6598] <... write resumed>) = 1048576 [pid 6595] <... futex resumed>) = 1 [pid 6592] <... futex resumed>) = 0 [pid 6601] <... set_robust_list resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6601 [pid 6601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6598] munmap(0x7f3940e00000, 138412032 [pid 6595] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... openat resumed>) = 3 [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6592] <... futex resumed>) = 0 [pid 6601] <... prctl resumed>) = 0 [pid 6598] <... munmap resumed>) = 0 [pid 6595] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6592] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6601] setpgid(0, 0 [pid 6600] write(3, "1000", 4 [pid 6592] <... futex resumed>) = ? [pid 6601] <... setpgid resumed>) = 0 [pid 6600] <... write resumed>) = 4 [pid 6599] <... write resumed>) = 1048576 [pid 6598] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6595] +++ killed by SIGBUS +++ [pid 6592] +++ killed by SIGBUS +++ [pid 6601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6600] close(3executing program [pid 6598] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6599] munmap(0x7f3940e00000, 138412032 [pid 6601] <... openat resumed>) = 3 [pid 6600] <... close resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6592, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 6600] write(1, "executing program\n", 18) = 18 [pid 6598] close(3executing program [pid 6601] write(3, "1000", 4 [pid 6600] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... munmap resumed>) = 0 [pid 6601] <... write resumed>) = 4 [pid 6600] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6601] close(3 [pid 6600] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6601] <... close resumed>) = 0 [pid 6600] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6600] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6601] write(1, "executing program\n", 18 [pid 6600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6601] <... write resumed>) = 18 [pid 6600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6601] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... mmap resumed>) = 0x7f3949327000 [pid 6599] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6598] <... close resumed>) = 0 ./strace-static-x86_64: Process 6602 attached [pid 6601] <... futex resumed>) = 0 [pid 6600] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6601] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6600] <... mprotect resumed>) = 0 [pid 6599] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6602] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6601] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6600] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6599] close(3 [pid 6598] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6600] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6602 [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6600] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6603 attached ) = 0x7f3949327000 [pid 6603] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6601] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6603] <... rseq resumed>) = 0 [pid 6601] <... mprotect resumed>) = 0 [pid 6600] <... clone3 resumed> => {parent_tid=[6603]}, 88) = 6603 [pid 6603] set_robust_list(0x7f39493479a0, 24 [pid 6601] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6603] <... set_robust_list resumed>) = 0 [pid 6602] <... prctl resumed>) = 0 [pid 6600] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] <... close resumed>) = 0 [pid 6598] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6603] rt_sigprocmask(SIG_SETMASK, [], [pid 6602] setpgid(0, 0 [pid 6601] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6602] <... setpgid resumed>) = 0 [pid 6601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6600] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = 1 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6604 attached [pid 6603] memfd_create("syzkaller", 0 [pid 6602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6600] <... futex resumed>) = 0 [pid 6599] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6597] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6603] <... memfd_create resumed>) = 3 [pid 6602] <... openat resumed>) = 3 [pid 6597] <... futex resumed>) = 0 [pid 6603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6601] <... clone3 resumed> => {parent_tid=[6604]}, 88) = 6604 [pid 6600] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6598] <... openat resumed>) = 3 [pid 6597] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] write(3, "1000", 4 [pid 6604] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6603] <... mmap resumed>) = 0x7f3940e00000 [pid 6602] <... write resumed>) = 4 [pid 6601] rt_sigprocmask(SIG_SETMASK, [], [pid 6599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... rseq resumed>) = 0 [pid 6602] close(3 [pid 6599] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6598] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6604] set_robust_list(0x7f39493479a0, 24 [pid 6602] <... close resumed>) = 0 [pid 6601] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] <... openat resumed>) = 3 [pid 6598] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6604] <... set_robust_list resumed>) = 0 [pid 6603] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6602] write(1, "executing program\n", 18 [pid 6601] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] <... futex resumed>) = 0 [pid 6604] rt_sigprocmask(SIG_SETMASK, [], [pid 6602] <... write resumed>) = 18 [pid 6601] <... futex resumed>) = 0 [pid 6599] <... futex resumed>) = 1 [pid 6598] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6596] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6602] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6597] <... futex resumed>) = 0 [pid 6597] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6602] <... futex resumed>) = 0 [pid 6597] <... futex resumed>) = 0 [pid 6604] memfd_create("syzkaller", 0 [pid 6602] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6599] <... mmap resumed>) = 0x200000000000 [pid 6598] <... mmap resumed>) = 0x200000000000 [pid 6597] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] <... memfd_create resumed>) = 3 [pid 6602] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6602] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6598] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6604] <... mmap resumed>) = 0x7f3940e00000 [pid 6602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6599] <... futex resumed>) = 1 [pid 6598] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] <... futex resumed>) = 0 [pid 6596] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] <... write resumed>) = 1048576 [pid 6602] <... mmap resumed>) = 0x7f3949327000 [pid 6599] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = 0 [pid 6603] munmap(0x7f3940e00000, 138412032 [pid 6602] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] <... futex resumed>) = 0 [pid 6596] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6603] <... munmap resumed>) = 0 [pid 6602] <... mprotect resumed>) = 0 [pid 6598] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6597] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6596] <... futex resumed>) = ? [pid 6603] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6604] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6602] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6598] +++ killed by SIGBUS +++ [pid 6597] <... futex resumed>) = ? [pid 6596] +++ killed by SIGBUS +++ [pid 6604] <... write resumed>) = 1048576 [pid 6603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6602] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6599] +++ killed by SIGBUS +++ [pid 6597] +++ killed by SIGBUS +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6596, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6602] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6605 attached [pid 6603] close(3 [pid 6602] <... clone3 resumed> => {parent_tid=[6605]}, 88) = 6605 [pid 6605] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6602] rt_sigprocmask(SIG_SETMASK, [], [pid 6605] <... rseq resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6605] set_robust_list(0x7f39493479a0, 24 [pid 6602] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6605] <... set_robust_list resumed>) = 0 [pid 6603] <... close resumed>) = 0 [pid 6602] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6597, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6605] rt_sigprocmask(SIG_SETMASK, [], [pid 6602] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6602] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6604] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6606 attached [pid 6605] memfd_create("syzkaller", 0 [pid 6604] <... munmap resumed>) = 0 [pid 6603] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6606] set_robust_list(0x55558704b6a0, 24 [pid 6605] <... memfd_create resumed>) = 3 [pid 6604] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6606] <... set_robust_list resumed>) = 0 [pid 6605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6604] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6603] <... futex resumed>) = 1 [pid 6600] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6606 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6605] <... mmap resumed>) = 0x7f3940e00000 [pid 6600] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6607 attached [pid 6606] <... prctl resumed>) = 0 [pid 6604] close(3 [pid 6603] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6600] <... futex resumed>) = 0 [pid 6606] setpgid(0, 0 [pid 6607] set_robust_list(0x55558704b6a0, 24 [pid 6606] <... setpgid resumed>) = 0 [pid 6605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6600] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6603] <... openat resumed>) = 3 [pid 6606] write(3, "1000", 4) = 4 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6607 executing program [pid 6607] <... set_robust_list resumed>) = 0 [pid 6606] close(3 [pid 6604] <... close resumed>) = 0 [pid 6607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6606] <... close resumed>) = 0 [pid 6607] <... prctl resumed>) = 0 [pid 6606] write(1, "executing program\n", 18 [pid 6604] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... write resumed>) = 18 [pid 6607] setpgid(0, 0 [pid 6604] <... futex resumed>) = 1 [pid 6603] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] <... futex resumed>) = 0 [pid 6607] <... setpgid resumed>) = 0 [pid 6606] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] <... futex resumed>) = 1 [pid 6601] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = 0 [pid 6607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6606] <... futex resumed>) = 0 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] <... futex resumed>) = 0 [pid 6600] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6601] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... futex resumed>) = 0 [pid 6606] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6604] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6603] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6600] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6603] <... mmap resumed>) = 0x200000000000 [pid 6603] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] <... openat resumed>) = 3 [pid 6606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6605] <... write resumed>) = 1048576 [pid 6604] <... openat resumed>) = 3 [pid 6607] write(3, "1000", 4 [pid 6606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6605] munmap(0x7f3940e00000, 138412032 [pid 6603] <... futex resumed>) = 1 [pid 6600] <... futex resumed>) = 0 [pid 6604] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] <... write resumed>) = 4 [pid 6606] <... mmap resumed>) = 0x7f3949327000 [pid 6603] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6600] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] close(3 [pid 6606] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6605] <... munmap resumed>) = 0 [pid 6604] <... futex resumed>) = 1 [pid 6603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6601] <... futex resumed>) = 0 [pid 6600] <... futex resumed>) = 0 [pid 6607] <... close resumed>) = 0 [pid 6606] <... mprotect resumed>) = 0 [pid 6605] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6604] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6601] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6607] write(1, "executing program\n", 18 [pid 6606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6601] <... futex resumed>) = 0 [pid 6607] <... write resumed>) = 18 [pid 6606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6604] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6604] <... mmap resumed>) = 0x200000000000 [pid 6601] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] <... clone3 resumed> => {parent_tid=[6608]}, 88) = 6608 [pid 6606] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6608 attached [pid 6607] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6605] close(3 [pid 6608] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6607] <... futex resumed>) = 0 [pid 6606] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] +++ killed by SIGBUS +++ [pid 6600] +++ killed by SIGBUS +++ [pid 6608] <... rseq resumed>) = 0 [pid 6607] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6606] <... futex resumed>) = 0 [pid 6604] <... futex resumed>) = 1 [pid 6608] set_robust_list(0x7f39493479a0, 24 [pid 6607] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6606] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6604] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6600, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6608] <... set_robust_list resumed>) = 0 [pid 6607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6601] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6608] rt_sigprocmask(SIG_SETMASK, [], [pid 6607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6601] <... futex resumed>) = 0 [pid 6608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6604] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6601] ???( [pid 5829] <... restart_syscall resumed>) = 0 [pid 6608] memfd_create("syzkaller", 0 [pid 6607] <... mmap resumed>) = 0x7f3949327000 [pid 6601] <... ??? resumed>) = ? [pid 6608] <... memfd_create resumed>) = 3 [pid 6607] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6607] <... mprotect resumed>) = 0 [pid 6608] <... mmap resumed>) = 0x7f3940e00000 [pid 6607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6609 attached [pid 6608] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6605] <... close resumed>) = 0 [pid 6604] +++ killed by SIGBUS +++ [pid 6601] +++ killed by SIGBUS +++ [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6609] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6605] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... rseq resumed>) = 0 [pid 6609] set_robust_list(0x7f39493479a0, 24 [pid 6605] <... futex resumed>) = 1 [pid 6609] <... set_robust_list resumed>) = 0 [pid 6607] <... clone3 resumed> => {parent_tid=[6609]}, 88) = 6609 [pid 6602] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6601, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6609] rt_sigprocmask(SIG_SETMASK, [], [pid 6607] rt_sigprocmask(SIG_SETMASK, [], [pid 6605] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6602] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6602] <... futex resumed>) = 0 [pid 6609] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6602] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] <... futex resumed>) = 0 [pid 6605] <... openat resumed>) = 3 [pid 6609] memfd_create("syzkaller", 0 [pid 6607] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6610 attached [pid 6605] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6610] set_robust_list(0x55558704b6a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6610 [pid 6610] <... set_robust_list resumed>) = 0 [pid 6609] <... memfd_create resumed>) = 3 [pid 6605] <... futex resumed>) = 1 [pid 6602] <... futex resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6605] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6602] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6610] <... prctl resumed>) = 0 [pid 6609] <... mmap resumed>) = 0x7f3940e00000 [pid 6605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6602] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6611 attached [pid 6610] setpgid(0, 0 [pid 6602] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] <... setpgid resumed>) = 0 [pid 6608] <... write resumed>) = 1048576 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6611 [pid 6610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6611] set_robust_list(0x55558704b6a0, 24 [pid 6608] munmap(0x7f3940e00000, 138412032 [pid 6605] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6608] <... munmap resumed>) = 0 [pid 6611] <... set_robust_list resumed>) = 0 [pid 6610] <... openat resumed>) = 3 [pid 6605] <... futex resumed>) = 1 [pid 6602] <... futex resumed>) = 0 [pid 6605] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6602] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] <... futex resumed>) = 0 [pid 6602] <... futex resumed>) = 1 [pid 6611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6610] write(3, "1000", 4 [pid 6602] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] <... write resumed>) = 4 [pid 6610] close(3 [pid 6611] <... prctl resumed>) = 0 [pid 6605] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6610] <... close resumed>) = 0 [pid 6611] setpgid(0, 0 [pid 6609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6608] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6602] <... futex resumed>) = ? executing program [pid 6611] <... setpgid resumed>) = 0 [pid 6610] write(1, "executing program\n", 18 [pid 6608] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6605] +++ killed by SIGBUS +++ [pid 6602] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6602, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6610] <... write resumed>) = 18 [pid 6608] close(3 [pid 5827] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6610] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6612 attached [pid 6611] <... openat resumed>) = 3 [pid 6610] <... futex resumed>) = 0 [pid 6612] set_robust_list(0x55558704b6a0, 24 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6612 [pid 6612] <... set_robust_list resumed>) = 0 [pid 6612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6611] write(3, "1000", 4 [pid 6610] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6609] <... write resumed>) = 1048576 [pid 6608] <... close resumed>) = 0 [pid 6611] <... write resumed>) = 4 [pid 6610] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6611] close(3 [pid 6610] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6609] munmap(0x7f3940e00000, 138412032 [pid 6611] <... close resumed>) = 0 executing program [pid 6612] setpgid(0, 0 [pid 6611] write(1, "executing program\n", 18 [pid 6610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6609] <... munmap resumed>) = 0 [pid 6608] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... setpgid resumed>) = 0 [pid 6611] <... write resumed>) = 18 [pid 6610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6609] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6608] <... futex resumed>) = 1 [pid 6606] <... futex resumed>) = 0 [pid 6612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6611] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... mmap resumed>) = 0x7f3949327000 [pid 6608] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6606] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... openat resumed>) = 3 [pid 6608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] <... futex resumed>) = 0 [pid 6608] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6610] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6606] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] write(3, "1000", 4 [pid 6611] <... futex resumed>) = 0 [pid 6610] <... mprotect resumed>) = 0 [pid 6608] <... openat resumed>) = 3 [pid 6612] <... write resumed>) = 4 [pid 6609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6612] close(3) = 0 [pid 6611] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6610] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6609] close(3 [pid 6608] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6612] write(1, "executing program\n", 18 [pid 6611] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6608] <... futex resumed>) = 1 [pid 6606] <... futex resumed>) = 0 [pid 6612] <... write resumed>) = 18 [pid 6608] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6606] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = 0 [pid 6608] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6606] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6608] <... mmap resumed>) = 0x200000000000 [pid 6612] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6612] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6608] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... mprotect resumed>) = 0 [pid 6611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6610] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6609] <... close resumed>) = 0 [pid 6608] <... futex resumed>) = 1 [pid 6606] <... futex resumed>) = 0 [pid 6612] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6610] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6609] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6606] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6613 attached [pid 6612] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6609] <... futex resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6606] <... futex resumed>) = ? [pid 6613] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6611] <... mmap resumed>) = 0x7f3949327000 [pid 6610] <... clone3 resumed> => {parent_tid=[6613]}, 88) = 6613 [pid 6609] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] +++ killed by SIGBUS +++ [pid 6607] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6610] rt_sigprocmask(SIG_SETMASK, [], [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] <... futex resumed>) = 0 [pid 6611] <... mprotect resumed>) = 0 [pid 6610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6607] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6610] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6610] <... futex resumed>) = 0 [pid 6610] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6609] <... openat resumed>) = 3 [pid 6606] +++ killed by SIGBUS +++ [pid 6611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6606, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6613] <... rseq resumed>) = 0 [pid 6613] set_robust_list(0x7f39493479a0, 24./strace-static-x86_64: Process 6614 attached [pid 6611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6609] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6615 attached [pid 6614] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6613] <... set_robust_list resumed>) = 0 [pid 6612] <... clone3 resumed> => {parent_tid=[6614]}, 88) = 6614 [pid 6609] <... futex resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6615] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6614] <... rseq resumed>) = 0 [pid 6613] rt_sigprocmask(SIG_SETMASK, [], [pid 6612] rt_sigprocmask(SIG_SETMASK, [], [pid 6611] <... clone3 resumed> => {parent_tid=[6615]}, 88) = 6615 [pid 6609] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... rseq resumed>) = 0 [pid 6614] set_robust_list(0x7f39493479a0, 24 [pid 6613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6611] rt_sigprocmask(SIG_SETMASK, [], [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] <... futex resumed>) = 0 [pid 6615] set_robust_list(0x7f39493479a0, 24 [pid 6614] <... set_robust_list resumed>) = 0 [pid 6611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6609] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6607] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] <... set_robust_list resumed>) = 0 [pid 6614] rt_sigprocmask(SIG_SETMASK, [], [pid 6613] memfd_create("syzkaller", 0 [pid 6612] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... mmap resumed>) = 0x200000000000 [pid 6615] rt_sigprocmask(SIG_SETMASK, [], [pid 6614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6611] <... futex resumed>) = 0 [pid 6614] memfd_create("syzkaller", 0 [pid 6615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6613] <... memfd_create resumed>) = 3 [pid 6612] <... futex resumed>) = 0 [pid 6611] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6609] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] memfd_create("syzkaller", 0 [pid 6614] <... memfd_create resumed>) = 3 [pid 6613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6612] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6607] <... futex resumed>) = 0 [pid 6614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6609] <... futex resumed>) = 1 [pid 6607] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... mmap resumed>) = 0x7f3940e00000 [pid 6614] <... mmap resumed>) = 0x7f3940e00000 [pid 6609] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6607] <... futex resumed>) = ? [pid 6615] <... memfd_create resumed>) = 3 [pid 6614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6615] <... mmap resumed>) = 0x7f3940e00000 [pid 6609] +++ killed by SIGBUS +++ [pid 6607] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 6616 attached [pid 6615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6614] <... write resumed>) = 1048576 [pid 6613] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6616 [pid 6616] set_robust_list(0x55558704b6a0, 24 [pid 6614] munmap(0x7f3940e00000, 138412032 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6607, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6616] <... set_robust_list resumed>) = 0 [pid 6614] <... munmap resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6614] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6616] <... prctl resumed>) = 0 [pid 6613] <... write resumed>) = 1048576 [pid 6616] setpgid(0, 0 [pid 6614] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6613] munmap(0x7f3940e00000, 138412032 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6615] <... write resumed>) = 1048576 [pid 6613] <... munmap resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6614] close(3 [pid 6616] <... setpgid resumed>) = 0 [pid 6615] munmap(0x7f3940e00000, 138412032 [pid 6613] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6617 attached [pid 6616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6615] <... munmap resumed>) = 0 [pid 6614] <... close resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6617 [pid 6617] set_robust_list(0x55558704b6a0, 24 [pid 6614] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6617] <... set_robust_list resumed>) = 0 [pid 6614] <... futex resumed>) = 1 [pid 6612] <... futex resumed>) = 0 [pid 6617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6614] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6612] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6612] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... openat resumed>) = 3 [pid 6617] <... prctl resumed>) = 0 [pid 6617] setpgid(0, 0 [pid 6616] <... openat resumed>) = 3 [pid 6615] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6613] close(3 [pid 6616] write(3, "1000", 4) = 4 [pid 6617] <... setpgid resumed>) = 0 [pid 6614] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6614] <... futex resumed>) = 1 [pid 6612] <... futex resumed>) = 0 [pid 6617] <... openat resumed>) = 3 [pid 6614] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6612] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] write(3, "1000", 4 [pid 6614] <... mmap resumed>) = 0x200000000000 [pid 6617] <... write resumed>) = 4 [pid 6617] close(3) = 0 executing program [pid 6617] write(1, "executing program\n", 18 [pid 6616] close(3 [pid 6615] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6614] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... close resumed>) = 0 executing program [pid 6617] <... write resumed>) = 18 [pid 6616] <... close resumed>) = 0 [pid 6615] close(3 [pid 6613] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... futex resumed>) = 1 [pid 6612] <... futex resumed>) = 0 [pid 6617] <... futex resumed>) = 0 [pid 6614] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6612] <... futex resumed>) = 0 [pid 6617] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6614] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6612] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6612] <... futex resumed>) = ? [pid 6617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6614] +++ killed by SIGBUS +++ [pid 6612] +++ killed by SIGBUS +++ [pid 6617] <... mmap resumed>) = 0x7f3949327000 [pid 6617] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6616] write(1, "executing program\n", 18 [pid 6615] <... close resumed>) = 0 [pid 6617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6616] <... write resumed>) = 18 [pid 6613] <... futex resumed>) = 1 [pid 6610] <... futex resumed>) = 0 [pid 6617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6610] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6610] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6618 attached [pid 6617] <... clone3 resumed> => {parent_tid=[6618]}, 88) = 6618 [pid 6617] rt_sigprocmask(SIG_SETMASK, [], [pid 6613] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6612, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6618] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6617] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... rseq resumed>) = 0 [pid 6617] <... futex resumed>) = 0 [pid 6618] set_robust_list(0x7f39493479a0, 24 [pid 6617] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6618] <... set_robust_list resumed>) = 0 [pid 6618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6618] memfd_create("syzkaller", 0) = 3 [pid 6616] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... openat resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6616] <... futex resumed>) = 0 [pid 6615] <... futex resumed>) = 1 [pid 6613] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6618] <... mmap resumed>) = 0x7f3940e00000 [pid 6616] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6615] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] <... futex resumed>) = 1 [pid 6611] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6616] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] <... futex resumed>) = 0 [pid 6610] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... futex resumed>) = 0 [pid 6613] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6610] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6613] <... mmap resumed>) = 0x200000000000 [pid 6613] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6610] <... futex resumed>) = 0 [pid 6613] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... futex resumed>) = 0 [pid 6613] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6610] read(1229035008, [pid 6613] +++ killed by SIGBUS +++ [pid 6610] +++ killed by SIGBUS +++ [pid 6615] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6611] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6610, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6616] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6615] <... openat resumed>) = 3 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6619 ./strace-static-x86_64: Process 6619 attached [pid 6616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6615] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] set_robust_list(0x55558704b6a0, 24 [pid 6616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6615] <... futex resumed>) = 1 [pid 6611] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6620 attached [pid 6619] <... set_robust_list resumed>) = 0 [pid 6615] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6618] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6616] <... clone3 resumed> => {parent_tid=[6620]}, 88) = 6620 [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] <... futex resumed>) = 0 [pid 6619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6620] <... rseq resumed>) = 0 [pid 6616] rt_sigprocmask(SIG_SETMASK, [], [pid 6615] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6611] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] set_robust_list(0x7f39493479a0, 24 [pid 6619] <... prctl resumed>) = 0 [pid 6616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6615] <... mmap resumed>) = 0x200000000000 [pid 6620] <... set_robust_list resumed>) = 0 [pid 6619] setpgid(0, 0 [pid 6616] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] rt_sigprocmask(SIG_SETMASK, [], [pid 6619] <... setpgid resumed>) = 0 [pid 6616] <... futex resumed>) = 0 [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6616] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6615] <... futex resumed>) = 1 [pid 6611] <... futex resumed>) = 0 [pid 6620] memfd_create("syzkaller", 0 [pid 6619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6615] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6611] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6620] <... memfd_create resumed>) = 3 [pid 6619] <... openat resumed>) = 3 [pid 6615] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6619] write(3, "1000", 4 [pid 6611] <... futex resumed>) = ? [pid 6619] <... write resumed>) = 4 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6619] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6619] <... close resumed>) = 0 [pid 6619] write(1, "executing program\n", 18executing program [pid 6618] <... write resumed>) = 1048576 [pid 6619] <... write resumed>) = 18 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6621 [pid 6619] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6619] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6621 attached [pid 6619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6618] munmap(0x7f3940e00000, 138412032 [pid 6615] +++ killed by SIGBUS +++ [pid 6611] +++ killed by SIGBUS +++ [pid 6619] <... mmap resumed>) = 0x7f3949327000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6611, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6621] set_robust_list(0x55558704b6a0, 24 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6621] <... set_robust_list resumed>) = 0 [pid 6619] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6619] <... mprotect resumed>) = 0 [pid 6618] <... munmap resumed>) = 0 [pid 6619] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6621] <... prctl resumed>) = 0 [pid 6620] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6619] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6618] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6621] setpgid(0, 0 [pid 6619] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6618] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6621] <... setpgid resumed>) = 0 [pid 6621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6622 attached [pid 6619] <... clone3 resumed> => {parent_tid=[6622]}, 88) = 6622 [pid 6622] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6621] <... openat resumed>) = 3 [pid 6620] <... write resumed>) = 1048576 [pid 6618] close(3 [pid 6619] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... restart_syscall resumed>) = 0 [pid 6622] <... rseq resumed>) = 0 [pid 6620] munmap(0x7f3940e00000, 138412032 [pid 6619] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6622] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6621] write(3, "1000", 4 [pid 6620] <... munmap resumed>) = 0 [pid 6619] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... close resumed>) = 0 [pid 6622] rt_sigprocmask(SIG_SETMASK, [], [pid 6621] <... write resumed>) = 4 [pid 6620] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6619] <... futex resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6621] close(3 [pid 6620] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6619] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6618] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] memfd_create("syzkaller", 0 [pid 6621] <... close resumed>) = 0 [pid 6620] close(3 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6621] write(1, "executing program\n", 18 [pid 6618] <... futex resumed>) = 1 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6617] <... futex resumed>) = 0 [pid 6622] <... memfd_create resumed>) = 3 [pid 6621] <... write resumed>) = 18 [pid 6618] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6617] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6621] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6617] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6618] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000./strace-static-x86_64: Process 6623 attached [pid 6622] <... mmap resumed>) = 0x7f3940e00000 [pid 6621] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6618] <... openat resumed>) = 3 [pid 6621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6621] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6618] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... mprotect resumed>) = 0 [pid 6618] <... futex resumed>) = 1 [pid 6618] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6623] set_robust_list(0x55558704b6a0, 24 [pid 6622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6620] <... close resumed>) = 0 [pid 6617] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6623 [pid 6623] <... set_robust_list resumed>) = 0 [pid 6617] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6618] <... futex resumed>) = 0 [pid 6617] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6624 attached [pid 6623] <... prctl resumed>) = 0 [pid 6620] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6623] setpgid(0, 0 [pid 6621] <... clone3 resumed> => {parent_tid=[6624]}, 88) = 6624 [pid 6620] <... futex resumed>) = 1 [pid 6618] <... mmap resumed>) = 0x200000000000 [pid 6616] <... futex resumed>) = 0 [pid 6624] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6623] <... setpgid resumed>) = 0 [pid 6621] rt_sigprocmask(SIG_SETMASK, [], [pid 6620] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... rseq resumed>) = 0 [pid 6623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6618] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... futex resumed>) = 0 [pid 6624] set_robust_list(0x7f39493479a0, 24 [pid 6623] <... openat resumed>) = 3 [pid 6621] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6616] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] <... set_robust_list resumed>) = 0 [pid 6623] write(3, "1000", 4 [pid 6621] <... futex resumed>) = 0 [pid 6620] <... openat resumed>) = 3 [pid 6618] <... futex resumed>) = 1 [pid 6617] <... futex resumed>) = 0 [pid 6624] rt_sigprocmask(SIG_SETMASK, [], [pid 6623] <... write resumed>) = 4 [pid 6621] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6620] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6617] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6623] close(3 [pid 6617] <... futex resumed>) = 0 [pid 6624] memfd_create("syzkaller", 0 [pid 6623] <... close resumed>) = 0 [pid 6622] <... write resumed>) = 1048576 [pid 6620] <... futex resumed>) = 1 [pid 6618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6616] <... futex resumed>) = 0 [pid 6617] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 6624] <... memfd_create resumed>) = 3 [pid 6623] write(1, "executing program\n", 18 [pid 6622] munmap(0x7f3940e00000, 138412032 [pid 6620] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6618] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6616] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6623] <... write resumed>) = 18 [pid 6622] <... munmap resumed>) = 0 [pid 6620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6616] <... futex resumed>) = 0 [pid 6624] <... mmap resumed>) = 0x7f3940e00000 [pid 6623] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6620] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6617] <... futex resumed>) = ? [pid 6616] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6623] <... futex resumed>) = 0 [pid 6622] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6620] <... mmap resumed>) = 0x200000000000 [pid 6618] +++ killed by SIGBUS +++ [pid 6622] close(3 [pid 6620] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... futex resumed>) = 0 [pid 6616] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6616] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 1 [pid 6624] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6623] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6622] <... close resumed>) = 0 [pid 6617] +++ killed by SIGBUS +++ [pid 6623] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6620] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6617, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6616] <... futex resumed>) = ? [pid 6623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6622] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] +++ killed by SIGBUS +++ [pid 6616] +++ killed by SIGBUS +++ [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6622] <... futex resumed>) = 1 [pid 6619] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6616, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6622] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6619] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... mmap resumed>) = 0x7f3949327000 [pid 6623] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6619] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6622] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6619] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6623] <... mprotect resumed>) = 0 [pid 6623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6622] <... openat resumed>) = 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6625 attached ./strace-static-x86_64: Process 6626 attached [pid 6623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6622] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6627 attached ) = 1 [pid 6619] <... futex resumed>) = 0 [pid 6625] set_robust_list(0x55558704b6a0, 24 [pid 6626] set_robust_list(0x55558704b6a0, 24 [pid 6624] <... write resumed>) = 1048576 [pid 6623] <... clone3 resumed> => {parent_tid=[6627]}, 88) = 6627 [pid 6622] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6619] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6624] munmap(0x7f3940e00000, 138412032 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6625 [pid 6625] <... set_robust_list resumed>) = 0 [pid 6626] <... set_robust_list resumed>) = 0 [pid 6627] <... rseq resumed>) = 0 [pid 6625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6624] <... munmap resumed>) = 0 [pid 6623] rt_sigprocmask(SIG_SETMASK, [], [pid 6622] <... mmap resumed>) = 0x200000000000 [pid 6619] <... futex resumed>) = 0 [pid 6627] set_robust_list(0x7f39493479a0, 24 [pid 6624] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6622] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] <... set_robust_list resumed>) = 0 [pid 6625] <... prctl resumed>) = 0 [pid 6626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6624] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6623] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... futex resumed>) = 0 [pid 6619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6626 [pid 6627] rt_sigprocmask(SIG_SETMASK, [], [pid 6625] setpgid(0, 0 [pid 6626] <... prctl resumed>) = 0 [pid 6624] close(3 [pid 6623] <... futex resumed>) = 0 [pid 6622] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6619] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] <... setpgid resumed>) = 0 [pid 6626] setpgid(0, 0 [pid 6623] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6619] <... futex resumed>) = 0 [pid 6627] memfd_create("syzkaller", 0 [pid 6625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6626] <... setpgid resumed>) = 0 [pid 6622] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6619] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] <... memfd_create resumed>) = 3 [pid 6625] <... openat resumed>) = 3 [pid 6626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6619] <... futex resumed>) = ? [pid 6625] write(3, "1000", 4 [pid 6626] <... openat resumed>) = 3 [pid 6625] <... write resumed>) = 4 [pid 6625] close(3) = 0 executing program [pid 6622] +++ killed by SIGBUS +++ [pid 6619] +++ killed by SIGBUS +++ [pid 6627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6625] write(1, "executing program\n", 18 [pid 6627] <... mmap resumed>) = 0x7f3940e00000 [pid 6626] write(3, "1000", 4 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6619, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6625] <... write resumed>) = 18 [pid 6626] <... write resumed>) = 4 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6625] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] close(3 [pid 6625] <... futex resumed>) = 0 [pid 6626] <... close resumed>) = 0 [pid 6625] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, executing program [pid 6626] write(1, "executing program\n", 18 [pid 6625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6626] <... write resumed>) = 18 [pid 6625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6626] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... close resumed>) = 0 [pid 6624] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6625] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6626] <... futex resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6625] <... mprotect resumed>) = 0 [pid 6624] <... futex resumed>) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6621] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... write resumed>) = 1048576 [pid 6625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6626] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6624] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6621] <... futex resumed>) = 0 [pid 6627] munmap(0x7f3940e00000, 138412032 [pid 6625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6626] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6621] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6628 attached [pid 6626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6624] <... openat resumed>) = 3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6628] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6627] <... munmap resumed>) = 0 [pid 6625] <... clone3 resumed> => {parent_tid=[6628]}, 88) = 6628 [pid 6626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6628] <... rseq resumed>) = 0 [pid 6627] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6624] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6627] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6625] rt_sigprocmask(SIG_SETMASK, [], [pid 6626] <... mmap resumed>) = 0x7f3949327000 [pid 6624] <... futex resumed>) = 1 [pid 6621] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6629 attached [pid 6628] rt_sigprocmask(SIG_SETMASK, [], [pid 6627] close(3 [pid 6625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6626] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6624] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6621] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6625] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] <... mprotect resumed>) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6629] set_robust_list(0x55558704b6a0, 24 [pid 6621] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... set_robust_list resumed>) = 0 [pid 6628] memfd_create("syzkaller", 0 [pid 6627] <... close resumed>) = 0 [pid 6625] <... futex resumed>) = 0 [pid 6626] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6624] <... mmap resumed>) = 0x200000000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6629 [pid 6629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6628] <... memfd_create resumed>) = 3 [pid 6625] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6626] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6624] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... prctl resumed>) = 0 [pid 6628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6624] <... futex resumed>) = 1 [pid 6621] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6630 attached [pid 6629] setpgid(0, 0 [pid 6628] <... mmap resumed>) = 0x7f3940e00000 [pid 6624] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6629] <... setpgid resumed>) = 0 [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6621] <... futex resumed>) = 0 [pid 6630] <... rseq resumed>) = 0 [pid 6621] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6630] set_robust_list(0x7f39493479a0, 24 [pid 6629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6626] <... clone3 resumed> => {parent_tid=[6630]}, 88) = 6630 [pid 6621] <... futex resumed>) = ? [pid 6630] <... set_robust_list resumed>) = 0 [pid 6629] <... openat resumed>) = 3 [pid 6627] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] rt_sigprocmask(SIG_SETMASK, [], [pid 6627] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6630] rt_sigprocmask(SIG_SETMASK, [], [pid 6629] write(3, "1000", 4 [pid 6626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6623] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6629] <... write resumed>) = 4 [pid 6626] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... futex resumed>) = 0 [pid 6629] close(3 [pid 6626] <... futex resumed>) = 0 [pid 6623] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] memfd_create("syzkaller", 0 [pid 6629] <... close resumed>) = 0 [pid 6628] <... write resumed>) = 1048576 [pid 6627] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6626] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6624] +++ killed by SIGBUS +++ [pid 6621] +++ killed by SIGBUS +++ executing program [pid 6630] <... memfd_create resumed>) = 3 [pid 6629] write(1, "executing program\n", 18 [pid 6628] munmap(0x7f3940e00000, 138412032 [pid 6627] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6621, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6629] <... write resumed>) = 18 [pid 6627] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] <... mmap resumed>) = 0x7f3940e00000 [pid 6629] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... munmap resumed>) = 0 [pid 6627] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6629] <... futex resumed>) = 0 [pid 6628] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6627] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6629] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6628] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... futex resumed>) = 0 [pid 6629] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6628] close(3 [pid 6627] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6623] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6629] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6627] <... mmap resumed>) = 0x200000000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6627] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6627] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6631 attached [pid 6630] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6629] <... mmap resumed>) = 0x7f3949327000 [pid 6623] <... futex resumed>) = 0 [pid 6629] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6623] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6631 [pid 6629] <... mprotect resumed>) = 0 [pid 6627] <... futex resumed>) = 0 [pid 6623] <... futex resumed>) = 1 [pid 6627] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6623] ???( [pid 6631] set_robust_list(0x55558704b6a0, 24 [pid 6629] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6623] <... ??? resumed>) = ? [pid 6631] <... set_robust_list resumed>) = 0 [pid 6629] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6627] +++ killed by SIGBUS +++ [pid 6631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6629] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6623] +++ killed by SIGBUS +++ [pid 6631] <... prctl resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6623, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6631] setpgid(0, 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6632 attached [pid 6631] <... setpgid resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6628] <... close resumed>) = 0 ./strace-static-x86_64: Process 6633 attached [pid 6632] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6631] <... openat resumed>) = 3 [pid 6630] <... write resumed>) = 1048576 [pid 6629] <... clone3 resumed> => {parent_tid=[6632]}, 88) = 6632 [pid 6628] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] set_robust_list(0x55558704b6a0, 24 [pid 6632] <... rseq resumed>) = 0 [pid 6631] write(3, "1000", 4 [pid 6630] munmap(0x7f3940e00000, 138412032 [pid 6629] rt_sigprocmask(SIG_SETMASK, [], [pid 6628] <... futex resumed>) = 1 [pid 6625] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6633 [pid 6633] <... set_robust_list resumed>) = 0 [pid 6632] set_robust_list(0x7f39493479a0, 24 [pid 6631] <... write resumed>) = 4 [pid 6628] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6625] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6632] <... set_robust_list resumed>) = 0 [pid 6631] close(3 [pid 6630] <... munmap resumed>) = 0 [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6628] <... openat resumed>) = 3 [pid 6625] <... futex resumed>) = 0 [pid 6633] <... prctl resumed>) = 0 [pid 6632] rt_sigprocmask(SIG_SETMASK, [], [pid 6631] <... close resumed>) = 0 [pid 6630] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6629] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6633] setpgid(0, 0 [pid 6632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6631] write(1, "executing program\n", 18 [pid 6630] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6629] <... futex resumed>) = 0 [pid 6628] <... futex resumed>) = 0 [pid 6625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6633] <... setpgid resumed>) = 0 [pid 6632] memfd_create("syzkaller", 0 [pid 6631] <... write resumed>) = 18 [pid 6630] close(3 [pid 6629] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6628] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6625] <... futex resumed>) = 0 [pid 6633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6631] <... futex resumed>) = 0 [pid 6628] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6625] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] <... openat resumed>) = 3 [pid 6632] <... memfd_create resumed>) = 3 [pid 6631] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6628] <... mmap resumed>) = 0x200000000000 [pid 6632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6631] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6632] <... mmap resumed>) = 0x7f3940e00000 [pid 6631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6633] write(3, "1000", 4 [pid 6631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6628] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6625] <... futex resumed>) = 0 [pid 6628] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6625] <... futex resumed>) = 0 [pid 6628] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6625] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6628] +++ killed by SIGBUS +++ [pid 6625] +++ killed by SIGBUS +++ [pid 6633] <... write resumed>) = 4 [pid 6632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6630] <... close resumed>) = 0 [pid 6633] close(3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6625, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6630] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] <... close resumed>) = 0 [pid 6631] <... mmap resumed>) = 0x7f3949327000 [pid 6630] <... futex resumed>) = 1 [pid 6626] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6633] write(1, "executing program\n", 18 [pid 6631] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6630] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6633] <... write resumed>) = 18 [pid 6631] <... mprotect resumed>) = 0 [pid 6630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6626] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6633] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6634 attached [pid 6634] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6631] <... clone3 resumed> => {parent_tid=[6634]}, 88) = 6634 [pid 6634] <... rseq resumed>) = 0 [pid 6631] rt_sigprocmask(SIG_SETMASK, [], [pid 6634] set_robust_list(0x7f39493479a0, 24 [pid 6631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6634] <... set_robust_list resumed>) = 0 [pid 6631] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6634] rt_sigprocmask(SIG_SETMASK, [], [pid 6631] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6634] memfd_create("syzkaller", 0) = 3 [pid 6633] <... futex resumed>) = 0 [pid 6632] <... write resumed>) = 1048576 [pid 6630] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6626] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6633] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6633] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6632] munmap(0x7f3940e00000, 138412032 [pid 6630] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6635 attached [pid 6634] <... mmap resumed>) = 0x7f3940e00000 [pid 6633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6632] <... munmap resumed>) = 0 [pid 6635] set_robust_list(0x55558704b6a0, 24 [pid 6634] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6630] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6635 [pid 6635] <... set_robust_list resumed>) = 0 [pid 6633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6632] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6632] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6633] <... mmap resumed>) = 0x7f3949327000 [pid 6633] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6632] close(3 [pid 6635] <... prctl resumed>) = 0 [pid 6633] <... mprotect resumed>) = 0 [pid 6632] <... close resumed>) = 0 [pid 6635] setpgid(0, 0 [pid 6630] <... futex resumed>) = 1 [pid 6626] <... futex resumed>) = 0 [pid 6630] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6626] <... futex resumed>) = 0 [pid 6635] <... setpgid resumed>) = 0 [pid 6630] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6626] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] <... mmap resumed>) = 0x200000000000 [pid 6630] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6626] <... futex resumed>) = 0 [pid 6630] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6626] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6626] <... futex resumed>) = 0 [pid 6632] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... openat resumed>) = 3 [pid 6634] <... write resumed>) = 1048576 [pid 6633] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6632] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 0 [pid 6635] write(3, "1000", 4 [pid 6634] munmap(0x7f3940e00000, 138412032 [pid 6633] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6630] +++ killed by SIGBUS +++ [pid 6632] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6629] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] <... futex resumed>) = 0 [pid 6629] <... futex resumed>) = 1 [pid 6632] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6629] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] <... write resumed>) = 4 [pid 6633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6632] <... openat resumed>) = 3 [pid 6626] +++ killed by SIGBUS +++ [pid 6635] close(3./strace-static-x86_64: Process 6636 attached ) = 0 [pid 6633] <... clone3 resumed> => {parent_tid=[6636]}, 88) = 6636 [pid 6632] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6636] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6635] write(1, "executing program\n", 18 [pid 6634] <... munmap resumed>) = 0 [pid 6633] rt_sigprocmask(SIG_SETMASK, [], [pid 6632] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6626, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6636] <... rseq resumed>) = 0 [pid 6635] <... write resumed>) = 18 [pid 6634] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6632] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6629] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6636] set_robust_list(0x7f39493479a0, 24 [pid 6635] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... set_robust_list resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 6634] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6633] <... futex resumed>) = 0 [pid 6636] rt_sigprocmask(SIG_SETMASK, [], [pid 6635] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6634] close(3 [pid 6636] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6635] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6633] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6629] <... futex resumed>) = 0 [pid 6632] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6629] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] <... mmap resumed>) = 0x200000000000 [pid 6632] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... futex resumed>) = 0 [pid 6629] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6632] <... futex resumed>) = 1 [pid 6629] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6636] memfd_create("syzkaller", 0 [pid 6635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6629] <... futex resumed>) = ? [pid 6636] <... memfd_create resumed>) = 3 [pid 6635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6636] <... mmap resumed>) = 0x7f3940e00000 [pid 6635] <... mmap resumed>) = 0x7f3949327000 [pid 6634] <... close resumed>) = 0 [pid 6632] +++ killed by SIGBUS +++ [pid 6629] +++ killed by SIGBUS +++ [pid 5828] <... restart_syscall resumed>) = 0 [pid 6635] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6634] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6634] <... futex resumed>) = 1 [pid 6631] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6629, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6635] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6634] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6637 attached [pid 6634] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6631] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6637] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6635] <... clone3 resumed> => {parent_tid=[6637]}, 88) = 6637 [pid 6634] <... openat resumed>) = 3 [pid 6631] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6638 attached [pid 6637] <... rseq resumed>) = 0 [pid 6635] rt_sigprocmask(SIG_SETMASK, [], [pid 6634] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6635] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6634] <... futex resumed>) = 0 [pid 6635] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6635] <... futex resumed>) = 0 [pid 6634] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6638] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6637] set_robust_list(0x7f39493479a0, 24 [pid 6631] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6637] <... set_robust_list resumed>) = 0 [pid 6634] <... futex resumed>) = 0 [pid 6631] <... futex resumed>) = 1 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6638 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6638] <... prctl resumed>) = 0 [pid 6637] rt_sigprocmask(SIG_SETMASK, [], [pid 6634] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6631] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6636] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6638] setpgid(0, 0 [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] memfd_create("syzkaller", 0) = 3 [pid 6637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6634] <... mmap resumed>) = 0x200000000000 [pid 6638] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6639 attached [pid 6637] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6639] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] <... write resumed>) = 1048576 [pid 6634] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6636] munmap(0x7f3940e00000, 138412032 [pid 6634] <... futex resumed>) = 1 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6639 [pid 6639] <... prctl resumed>) = 0 [pid 6638] <... openat resumed>) = 3 [pid 6631] <... futex resumed>) = 0 [pid 6639] setpgid(0, 0 [pid 6634] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] <... setpgid resumed>) = 0 [pid 6638] write(3, "1000", 4 [pid 6636] <... munmap resumed>) = 0 [pid 6631] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6638] <... write resumed>) = 4 [pid 6636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6631] <... futex resumed>) = 0 [pid 6639] <... openat resumed>) = 3 [pid 6638] close(3 [pid 6636] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6634] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6631] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program executing program [pid 6639] write(3, "1000", 4 [pid 6638] <... close resumed>) = 0 [pid 6636] close(3 [pid 6631] <... futex resumed>) = ? [pid 6639] <... write resumed>) = 4 [pid 6638] write(1, "executing program\n", 18 [pid 6634] +++ killed by SIGBUS +++ [pid 6631] +++ killed by SIGBUS +++ [pid 6638] <... write resumed>) = 18 [pid 6639] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6631, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6639] <... close resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6639] write(1, "executing program\n", 18 [pid 6638] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... write resumed>) = 18 [pid 6638] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6639] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6636] <... close resumed>) = 0 [pid 6639] <... futex resumed>) = 0 [pid 6638] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6636] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6639] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] <... futex resumed>) = 1 [pid 6633] <... futex resumed>) = 0 [pid 6639] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6636] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6633] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6638] <... mmap resumed>) = 0x7f3949327000 [pid 6636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6633] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6638] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6636] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6633] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6639] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6639] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6640 attached [], 8) = 0 [pid 6638] <... mprotect resumed>) = 0 [pid 6640] set_robust_list(0x55558704b6a0, 24 [pid 6636] <... openat resumed>) = 3 [pid 6639] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6641 attached [pid 6640] <... set_robust_list resumed>) = 0 [pid 6638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6636] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... clone3 resumed> => {parent_tid=[6641]}, 88) = 6641 [pid 6640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6639] rt_sigprocmask(SIG_SETMASK, [], [pid 6636] <... futex resumed>) = 1 [pid 6633] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6640 [pid 6641] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6640] <... prctl resumed>) = 0 [pid 6639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6636] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6633] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... rseq resumed>) = 0 [pid 6640] setpgid(0, 0 [pid 6639] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6637] <... write resumed>) = 1048576 [pid 6636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6633] <... futex resumed>) = 0 [pid 6641] set_robust_list(0x7f39493479a0, 24 [pid 6640] <... setpgid resumed>) = 0 [pid 6639] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6642 attached [pid 6641] <... set_robust_list resumed>) = 0 [pid 6639] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6636] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6633] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] rt_sigprocmask(SIG_SETMASK, [], [pid 6640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6638] <... clone3 resumed> => {parent_tid=[6642]}, 88) = 6642 [pid 6642] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] <... mmap resumed>) = 0x200000000000 [pid 6640] <... openat resumed>) = 3 [pid 6638] rt_sigprocmask(SIG_SETMASK, [], [pid 6642] <... rseq resumed>) = 0 [pid 6641] memfd_create("syzkaller", 0 [pid 6640] write(3, "1000", 4 [pid 6638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6636] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] set_robust_list(0x7f39493479a0, 24 [pid 6641] <... memfd_create resumed>) = 3 [pid 6640] <... write resumed>) = 4 [pid 6638] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... futex resumed>) = 1 [pid 6633] <... futex resumed>) = 0 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6640] close(3 [pid 6638] <... futex resumed>) = 0 [pid 6636] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6633] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] rt_sigprocmask(SIG_SETMASK, [], [pid 6641] <... mmap resumed>) = 0x7f3940e00000 [pid 6637] munmap(0x7f3940e00000, 138412032 [pid 6642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6640] <... close resumed>) = 0 [pid 6638] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6637] <... munmap resumed>) = 0 [pid 6636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6633] <... futex resumed>) = 0 [pid 6642] memfd_create("syzkaller", 0 [pid 6640] write(1, "executing program\n", 18 [pid 6642] <... memfd_create resumed>) = 3 [pid 6642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 executing program [pid 6637] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6636] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6633] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6640] <... write resumed>) = 18 [pid 6633] <... futex resumed>) = ? [pid 6640] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6637] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6640] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6637] close(3 [pid 6641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6640] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6636] +++ killed by SIGBUS +++ [pid 6633] +++ killed by SIGBUS +++ [pid 6640] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6633, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6641] <... write resumed>) = 1048576 [pid 6640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6637] <... close resumed>) = 0 [pid 6641] munmap(0x7f3940e00000, 138412032 [pid 6640] <... mmap resumed>) = 0x7f3949327000 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6640] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6637] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... munmap resumed>) = 0 [pid 6637] <... futex resumed>) = 1 [pid 6635] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6641] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6640] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6637] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6640] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6641] close(3 [pid 6640] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6637] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6635] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6643 attached [pid 6635] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... openat resumed>) = 3 [pid 6637] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6635] <... futex resumed>) = 0 [pid 6637] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6640] <... clone3 resumed> => {parent_tid=[6643]}, 88) = 6643 [pid 6642] <... write resumed>) = 1048576 [pid 6640] rt_sigprocmask(SIG_SETMASK, [], [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6635] <... futex resumed>) = 0 [pid 6643] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6642] munmap(0x7f3940e00000, 138412032 [pid 6640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6635] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6643] <... rseq resumed>) = 0 [pid 6640] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6643] set_robust_list(0x7f39493479a0, 24 [pid 6640] <... futex resumed>) = 0 [pid 6637] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6642] <... munmap resumed>) = 0 [pid 6640] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6644 attached [pid 6643] <... set_robust_list resumed>) = 0 [pid 6643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6637] <... mmap resumed>) = 0x200000000000 [pid 6643] memfd_create("syzkaller", 0 [pid 6644] set_robust_list(0x55558704b6a0, 24 [pid 6643] <... memfd_create resumed>) = 3 [pid 6644] <... set_robust_list resumed>) = 0 [pid 6643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6644 [pid 6644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6643] <... mmap resumed>) = 0x7f3940e00000 [pid 6644] <... prctl resumed>) = 0 [pid 6643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6642] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6641] <... close resumed>) = 0 [pid 6637] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] setpgid(0, 0 [pid 6642] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6641] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... futex resumed>) = 1 [pid 6635] <... futex resumed>) = 0 [pid 6644] <... setpgid resumed>) = 0 [pid 6642] close(3 [pid 6641] <... futex resumed>) = 1 [pid 6639] <... futex resumed>) = 0 [pid 6637] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6635] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6639] <... futex resumed>) = 0 [pid 6637] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6641] <... openat resumed>) = 3 [pid 6639] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6644] <... openat resumed>) = 3 [pid 6641] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6635] <... futex resumed>) = ? [pid 6641] <... futex resumed>) = 0 [pid 6641] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] write(3, "1000", 4 [pid 6643] <... write resumed>) = 1048576 [pid 6642] <... close resumed>) = 0 [pid 6639] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] +++ killed by SIGBUS +++ [pid 6635] +++ killed by SIGBUS +++ [pid 6644] <... write resumed>) = 4 [pid 6643] munmap(0x7f3940e00000, 138412032 [pid 6642] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... futex resumed>) = 0 [pid 6639] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6635, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6644] close(3 [pid 6643] <... munmap resumed>) = 0 executing program [pid 6642] <... futex resumed>) = 1 [pid 6641] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6639] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6638] <... futex resumed>) = 0 [pid 6644] <... close resumed>) = 0 [pid 6642] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6641] <... mmap resumed>) = 0x200000000000 [pid 6644] write(1, "executing program\n", 18) = 18 [pid 6644] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... futex resumed>) = 0 [pid 6643] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6644] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6642] <... futex resumed>) = 0 [pid 6641] <... futex resumed>) = 1 [pid 6639] <... futex resumed>) = 0 [pid 6638] <... futex resumed>) = 1 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6644] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6643] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6642] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6641] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6643] close(3 [pid 6642] <... openat resumed>) = 3 [pid 6639] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6643] <... close resumed>) = 0 [pid 6639] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6642] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6644] <... mmap resumed>) = 0x7f3949327000 [pid 6644] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6644] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6645 attached => {parent_tid=[6646]}, 88) = 6646 [pid 6642] <... futex resumed>) = 1 [pid 6645] set_robust_list(0x55558704b6a0, 24 [pid 6644] rt_sigprocmask(SIG_SETMASK, [], [pid 6642] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] <... futex resumed>) = ? [pid 6638] <... futex resumed>) = 0 [pid 6645] <... set_robust_list resumed>) = 0 [pid 6644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6641] +++ killed by SIGBUS +++ [pid 6639] +++ killed by SIGBUS +++ [pid 6638] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6645 [pid 6644] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6646 attached [pid 6644] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6638] <... futex resumed>) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6646] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6642] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6638] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6639, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6646] <... rseq resumed>) = 0 [pid 6645] <... prctl resumed>) = 0 [pid 6643] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] <... mmap resumed>) = 0x200000000000 [pid 6646] set_robust_list(0x7f39493479a0, 24 [pid 6645] setpgid(0, 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6646] <... set_robust_list resumed>) = 0 [pid 6645] <... setpgid resumed>) = 0 [pid 6643] <... futex resumed>) = 1 [pid 6642] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... futex resumed>) = 0 [pid 6646] rt_sigprocmask(SIG_SETMASK, [], [pid 6645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6642] <... futex resumed>) = 1 [pid 6646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6643] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6642] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6646] memfd_create("syzkaller", 0 [pid 6645] <... openat resumed>) = 3 [pid 6643] <... openat resumed>) = 3 [pid 6640] <... futex resumed>) = 0 [pid 6638] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... memfd_create resumed>) = 3 executing program ./strace-static-x86_64: Process 6647 attached [pid 6646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6645] write(3, "1000", 4 [pid 6643] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] <... futex resumed>) = 0 [pid 6640] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6638] <... futex resumed>) = 1 [pid 6647] set_robust_list(0x55558704b6a0, 24 [pid 6645] <... write resumed>) = 4 [pid 6640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6647 [pid 6647] <... set_robust_list resumed>) = 0 [pid 6645] close(3 [pid 6642] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6640] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... close resumed>) = 0 [pid 6647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6646] <... mmap resumed>) = 0x7f3940e00000 [pid 6645] write(1, "executing program\n", 18 [pid 6643] <... futex resumed>) = 0 [pid 6640] <... futex resumed>) = 0 [pid 6638] <... futex resumed>) = ? [pid 6647] <... prctl resumed>) = 0 [pid 6645] <... write resumed>) = 18 [pid 6640] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] setpgid(0, 0 [pid 6646] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6645] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6642] +++ killed by SIGBUS +++ [pid 6638] +++ killed by SIGBUS +++ [pid 6647] <... setpgid resumed>) = 0 [pid 6645] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6638, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6645] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6647] <... openat resumed>) = 3 [pid 6645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6643] <... mmap resumed>) = 0x200000000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6647] write(3, "1000", 4 [pid 6645] <... mmap resumed>) = 0x7f3949327000 [pid 6643] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6647] <... write resumed>) = 4 [pid 6643] <... futex resumed>) = 1 [pid 6643] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6648 attached [pid 6645] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6647] close(3 [pid 6640] <... futex resumed>) = 0 [pid 6648] set_robust_list(0x55558704b6a0, 24 [pid 6647] <... close resumed>) = 0 [pid 6648] <... set_robust_list resumed>) = 0 [pid 6640] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... mprotect resumed>) = 0 [pid 6648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6647] write(1, "executing program\n", 18 executing program [pid 6646] <... write resumed>) = 1048576 [pid 6643] <... futex resumed>) = 0 [pid 6640] <... futex resumed>) = 1 [pid 6645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6648] <... prctl resumed>) = 0 [pid 6647] <... write resumed>) = 18 [pid 6646] munmap(0x7f3940e00000, 138412032 [pid 6643] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6640] ???( [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6648 [pid 6648] setpgid(0, 0 [pid 6647] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... munmap resumed>) = 0 [pid 6645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6640] <... ??? resumed>) = ? [pid 6643] +++ killed by SIGBUS +++ [pid 6648] <... setpgid resumed>) = 0 [pid 6647] <... futex resumed>) = 0 [pid 6648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6647] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6648] <... openat resumed>) = 3 [pid 6647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6647] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6640] +++ killed by SIGBUS +++ [pid 6648] write(3, "1000", 4./strace-static-x86_64: Process 6649 attached ) = 4 [pid 6647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6646] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6640, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6648] close(3 [pid 5829] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6648] <... close resumed>) = 0 [pid 6649] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6648] write(1, "executing program\n", 18 [pid 6647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6648] <... write resumed>) = 18 [pid 6647] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6649] <... rseq resumed>) = 0 [pid 6648] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6645] <... clone3 resumed> => {parent_tid=[6649]}, 88) = 6649 [pid 6648] <... futex resumed>) = 0 [pid 6648] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6647] <... clone3 resumed> => {parent_tid=[6650]}, 88) = 6650 [pid 6649] set_robust_list(0x7f39493479a0, 24 [pid 6648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6647] rt_sigprocmask(SIG_SETMASK, [], [pid 6646] close(3 [pid 6645] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6650 attached [pid 6649] <... set_robust_list resumed>) = 0 [pid 6648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6650] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6649] rt_sigprocmask(SIG_SETMASK, [], [pid 6648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6647] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... rseq resumed>) = 0 [pid 6649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6647] <... futex resumed>) = 0 [pid 6645] <... futex resumed>) = 0 [pid 6648] <... mmap resumed>) = 0x7f3949327000 [pid 6647] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6648] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6650] set_robust_list(0x7f39493479a0, 24 [pid 6649] memfd_create("syzkaller", 0 [pid 6646] <... close resumed>) = 0 [pid 6645] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 6650] <... set_robust_list resumed>) = 0 [pid 6648] <... mprotect resumed>) = 0 [pid 6650] rt_sigprocmask(SIG_SETMASK, [], [pid 6649] <... memfd_create resumed>) = 3 [pid 6648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6646] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6650] memfd_create("syzkaller", 0 [pid 6649] <... mmap resumed>) = 0x7f3940e00000 [pid 6648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6646] <... futex resumed>) = 1 [pid 6644] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6651 attached [pid 6650] <... memfd_create resumed>) = 3 [pid 6646] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6644] <... futex resumed>) = 0 [pid 6650] <... mmap resumed>) = 0x7f3940e00000 [pid 6646] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6644] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6650] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6649] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6646] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6651] <... rseq resumed>) = 0 [pid 6646] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6644] <... futex resumed>) = 0 [pid 6644] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6644] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6648] <... clone3 resumed> => {parent_tid=[6651]}, 88) = 6651 [pid 6646] <... futex resumed>) = 1 [pid 6644] <... futex resumed>) = 0 [pid 6651] set_robust_list(0x7f39493479a0, 24 [pid 6648] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6651] <... set_robust_list resumed>) = 0 [pid 6648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6644] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] rt_sigprocmask(SIG_SETMASK, [], [pid 6648] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6648] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6644] <... futex resumed>) = 0 [pid 6644] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] memfd_create("syzkaller", 0 [pid 6646] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- ./strace-static-x86_64: Process 6652 attached [pid 6651] <... memfd_create resumed>) = 3 [pid 6644] <... futex resumed>) = ? [pid 6652] set_robust_list(0x55558704b6a0, 24 [pid 6651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6652 [pid 6652] <... set_robust_list resumed>) = 0 [pid 6652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6651] <... mmap resumed>) = 0x7f3940e00000 [pid 6652] <... prctl resumed>) = 0 [pid 6652] setpgid(0, 0 [pid 6646] +++ killed by SIGBUS +++ [pid 6644] +++ killed by SIGBUS +++ [pid 6652] <... setpgid resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6644, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6652] <... openat resumed>) = 3 [pid 6649] <... write resumed>) = 1048576 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6653 attached [pid 6652] write(3, "1000", 4 [pid 6651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6650] <... write resumed>) = 1048576 [pid 6649] munmap(0x7f3940e00000, 138412032 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6653 [pid 6653] set_robust_list(0x55558704b6a0, 24 [pid 6652] <... write resumed>) = 4 [pid 6653] <... set_robust_list resumed>) = 0 [pid 6650] munmap(0x7f3940e00000, 138412032 [pid 6653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6652] close(3 [pid 6651] <... write resumed>) = 1048576 [pid 6649] <... munmap resumed>) = 0 [pid 6653] <... prctl resumed>) = 0 [pid 6652] <... close resumed>) = 0 [pid 6651] munmap(0x7f3940e00000, 138412032 [pid 6650] <... munmap resumed>) = 0 [pid 6649] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6650] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program [pid 6651] <... munmap resumed>) = 0 [pid 6649] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6652] write(1, "executing program\n", 18 [pid 6653] setpgid(0, 0 [pid 6651] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6649] close(3 [pid 6653] <... setpgid resumed>) = 0 [pid 6652] <... write resumed>) = 18 [pid 6653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6652] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6651] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6650] close(3 [pid 6653] <... openat resumed>) = 3 [pid 6652] <... futex resumed>) = 0 [pid 6651] close(3 [pid 6649] <... close resumed>) = 0 [pid 6653] write(3, "1000", 4 [pid 6652] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6653] <... write resumed>) = 4 [pid 6652] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6649] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] close(3 [pid 6652] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6653] <... close resumed>) = 0 [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6649] <... futex resumed>) = 1 [pid 6652] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6649] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] <... futex resumed>) = 0 [pid 6645] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] write(1, "executing program\n", 18 [pid 6649] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6652] <... mmap resumed>) = 0x7f3949327000 [pid 6645] <... futex resumed>) = 0 executing program [pid 6653] <... write resumed>) = 18 [pid 6652] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6649] <... openat resumed>) = 3 [pid 6645] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... close resumed>) = 0 [pid 6653] <... futex resumed>) = 0 [pid 6652] <... mprotect resumed>) = 0 [pid 6651] <... close resumed>) = 0 [pid 6649] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6652] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6651] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] <... futex resumed>) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6653] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6652] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6651] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 1 [pid 6648] <... futex resumed>) = 0 [pid 6647] <... futex resumed>) = 0 [pid 6645] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6652] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6651] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6650] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6649] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6648] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6654 attached [pid 6653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] <... openat resumed>) = 3 [pid 6650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... mmap resumed>) = 0x200000000000 [pid 6648] <... futex resumed>) = 0 [pid 6647] <... futex resumed>) = 0 [pid 6645] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6652] <... clone3 resumed> => {parent_tid=[6654]}, 88) = 6654 [pid 6651] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6649] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6654] <... rseq resumed>) = 0 [pid 6653] <... mmap resumed>) = 0x7f3949327000 [pid 6652] rt_sigprocmask(SIG_SETMASK, [], [pid 6651] <... futex resumed>) = 0 [pid 6650] <... openat resumed>) = 3 [pid 6649] <... futex resumed>) = 0 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] set_robust_list(0x7f39493479a0, 24 [pid 6653] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6648] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... futex resumed>) = 0 [pid 6654] <... set_robust_list resumed>) = 0 [pid 6653] <... mprotect resumed>) = 0 [pid 6652] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6650] <... futex resumed>) = 1 [pid 6648] <... futex resumed>) = 0 [pid 6647] <... futex resumed>) = 0 [pid 6654] rt_sigprocmask(SIG_SETMASK, [], [pid 6653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6652] <... futex resumed>) = 0 [pid 6651] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6650] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6648] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... futex resumed>) = 0 [pid 6650] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6647] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] <... mmap resumed>) = 0x200000000000 [pid 6649] +++ killed by SIGBUS +++ [pid 6645] +++ killed by SIGBUS +++ [pid 6652] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6651] <... mmap resumed>) = 0x200000000000 [pid 6650] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] memfd_create("syzkaller", 0 [pid 6653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6651] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... futex resumed>) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6654] <... memfd_create resumed>) = 3 [pid 6653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6651] <... futex resumed>) = 1 [pid 6650] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6648] <... futex resumed>) = 0 [pid 6647] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6645, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6655 attached [pid 6654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6651] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6647] <... futex resumed>) = ? [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6655] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6654] <... mmap resumed>) = 0x7f3940e00000 [pid 6653] <... clone3 resumed> => {parent_tid=[6655]}, 88) = 6655 [pid 6650] +++ killed by SIGBUS +++ [pid 6647] +++ killed by SIGBUS +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 6655] <... rseq resumed>) = 0 [pid 6655] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6654] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6653] rt_sigprocmask(SIG_SETMASK, [], [pid 6651] +++ killed by SIGBUS +++ [pid 6648] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6647, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6653] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6648, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6655] rt_sigprocmask(SIG_SETMASK, [], [pid 6654] <... write resumed>) = 1048576 [pid 6653] <... futex resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6655] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6653] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] <... restart_syscall resumed>) = 0 [pid 6655] memfd_create("syzkaller", 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6655] <... memfd_create resumed>) = 3 [pid 6655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6654] munmap(0x7f3940e00000, 138412032 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6655] <... mmap resumed>) = 0x7f3940e00000 [pid 6654] <... munmap resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6654] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6656 attached [pid 6655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6656] set_robust_list(0x55558704b6a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6656 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6657 attached [pid 6656] <... set_robust_list resumed>) = 0 [pid 6654] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6654] close(3./strace-static-x86_64: Process 6658 attached [pid 6657] set_robust_list(0x55558704b6a0, 24 [pid 6656] <... prctl resumed>) = 0 [pid 6656] setpgid(0, 0) = 0 [pid 6656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6657 [pid 6656] <... openat resumed>) = 3 [pid 6658] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6657] <... set_robust_list resumed>) = 0 [pid 6656] write(3, "1000", 4 [pid 6655] <... write resumed>) = 1048576 [pid 6654] <... close resumed>) = 0 [pid 6658] setpgid(0, 0 [pid 6656] <... write resumed>) = 4 [pid 6655] munmap(0x7f3940e00000, 138412032 [pid 6658] <... setpgid resumed>) = 0 [pid 6657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6656] close(3 [pid 6654] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6658 [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6657] <... prctl resumed>) = 0 [pid 6656] <... close resumed>) = 0 [pid 6655] <... munmap resumed>) = 0 [pid 6654] <... futex resumed>) = 1 [pid 6652] <... futex resumed>) = 0 [pid 6657] setpgid(0, 0 [pid 6654] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6658] <... openat resumed>) = 3 [pid 6657] <... setpgid resumed>) = 0 [pid 6656] write(1, "executing program\n", 18 [pid 6655] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6652] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] <... write resumed>) = 18 [pid 6655] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6654] <... futex resumed>) = 0 [pid 6652] <... futex resumed>) = 1 [pid 6658] write(3, "1000", 4 [pid 6657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6656] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6652] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] <... write resumed>) = 4 [pid 6656] <... futex resumed>) = 0 [pid 6655] close(3 [pid 6658] close(3 [pid 6657] <... openat resumed>) = 3 [pid 6656] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6654] <... openat resumed>) = 3 [pid 6658] <... close resumed>) = 0 [pid 6657] write(3, "1000", 4 [pid 6654] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6658] write(1, "executing program\n", 18 [pid 6657] <... write resumed>) = 4 [pid 6656] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6654] <... futex resumed>) = 1 [pid 6652] <... futex resumed>) = 0 [pid 6658] <... write resumed>) = 18 [pid 6657] close(3 [pid 6656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6654] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6652] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... close resumed>) = 0 [pid 6656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6652] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6652] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6658] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6657] write(1, "executing program\n", 18 [pid 6656] <... mmap resumed>) = 0x7f3949327000 [pid 6654] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6658] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6657] <... write resumed>) = 18 [pid 6656] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6654] <... mmap resumed>) = 0x200000000000 [pid 6658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6657] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... close resumed>) = 0 [pid 6657] <... futex resumed>) = 0 [pid 6656] <... mprotect resumed>) = 0 [pid 6654] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6657] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6656] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6655] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... futex resumed>) = 1 [pid 6652] <... futex resumed>) = 0 [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6657] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6655] <... futex resumed>) = 1 [pid 6654] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6656] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6653] <... futex resumed>) = 0 [pid 6652] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... mmap resumed>) = 0x7f3949327000 [pid 6657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6655] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6653] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = ? [pid 6658] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6654] +++ killed by SIGBUS +++ [pid 6653] <... futex resumed>) = 0 [pid 6652] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 6659 attached [pid 6658] <... mprotect resumed>) = 0 [pid 6657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6655] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6653] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6657] <... mmap resumed>) = 0x7f3949327000 [pid 6656] <... clone3 resumed> => {parent_tid=[6659]}, 88) = 6659 [pid 6659] <... rseq resumed>) = 0 [pid 6657] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6659] set_robust_list(0x7f39493479a0, 24 [pid 6657] <... mprotect resumed>) = 0 [pid 6655] <... openat resumed>) = 3 [pid 6659] <... set_robust_list resumed>) = 0 [pid 6658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6656] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6652, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6655] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] rt_sigprocmask(SIG_SETMASK, [], [pid 6658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6657] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6656] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6659] memfd_create("syzkaller", 0 [pid 6656] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... futex resumed>) = 1 [pid 6653] <... futex resumed>) = 0 [pid 6657] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6660 attached [pid 6657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6661 attached [pid 6660] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6659] <... memfd_create resumed>) = 3 [pid 6656] <... futex resumed>) = 0 [pid 6655] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6653] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... rseq resumed>) = 0 [pid 6658] <... clone3 resumed> => {parent_tid=[6660]}, 88) = 6660 [pid 6656] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6660] set_robust_list(0x7f39493479a0, 24 [pid 6653] <... futex resumed>) = 0 [pid 6661] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6660] <... set_robust_list resumed>) = 0 [pid 6659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6657] <... clone3 resumed> => {parent_tid=[6661]}, 88) = 6661 [pid 6653] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6661] <... rseq resumed>) = 0 [pid 6660] rt_sigprocmask(SIG_SETMASK, [], [pid 6659] <... mmap resumed>) = 0x7f3940e00000 [pid 6658] rt_sigprocmask(SIG_SETMASK, [], [pid 6657] rt_sigprocmask(SIG_SETMASK, [], [pid 6655] <... mmap resumed>) = 0x200000000000 [pid 6661] set_robust_list(0x7f39493479a0, 24 [pid 6660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6660] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6661] <... set_robust_list resumed>) = 0 [pid 6660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] rt_sigprocmask(SIG_SETMASK, [], [pid 6658] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6661] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] memfd_create("syzkaller", 0 [pid 6657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6660] <... memfd_create resumed>) = 3 [pid 6657] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] <... futex resumed>) = 0 [pid 6660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6657] <... futex resumed>) = 1 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6661] memfd_create("syzkaller", 0 [pid 6657] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6655] <... futex resumed>) = 1 [pid 6653] <... futex resumed>) = 0 [pid 6661] <... memfd_create resumed>) = 3 [pid 6660] <... mmap resumed>) = 0x7f3940e00000 [pid 6655] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6653] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6661] <... mmap resumed>) = 0x7f3940e00000 ./strace-static-x86_64: Process 6662 attached [pid 6653] <... futex resumed>) = 1 [pid 6655] <... futex resumed>) = 0 [pid 6655] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6655] +++ killed by SIGBUS +++ [pid 6659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6662] set_robust_list(0x55558704b6a0, 24 [pid 6661] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6662] <... set_robust_list resumed>) = 0 [pid 6659] <... write resumed>) = 1048576 [pid 6653] +++ killed by SIGBUS +++ [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6662 [pid 6662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6662] setpgid(0, 0) = 0 [pid 6662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6662] write(3, "1000", 4) = 4 [pid 6662] close(3) = 0 [pid 6662] write(1, "executing program\n", 18) = 18 [pid 6662] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6662] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6662] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6662] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6661] <... write resumed>) = 1048576 [pid 6659] munmap(0x7f3940e00000, 138412032 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6653, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6663 attached [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6663] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6662] <... clone3 resumed> => {parent_tid=[6663]}, 88) = 6663 [pid 6663] <... rseq resumed>) = 0 [pid 6662] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6663] set_robust_list(0x7f39493479a0, 24 [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6659] <... munmap resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6664 attached [pid 6663] <... set_robust_list resumed>) = 0 [pid 6662] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] munmap(0x7f3940e00000, 138412032 [pid 6660] <... write resumed>) = 1048576 [pid 6659] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6663] rt_sigprocmask(SIG_SETMASK, [], [pid 6662] <... futex resumed>) = 0 [pid 6661] <... munmap resumed>) = 0 [pid 6660] munmap(0x7f3940e00000, 138412032 [pid 6659] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6664 [pid 6664] set_robust_list(0x55558704b6a0, 24 [pid 6663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6662] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6659] close(3 [pid 6664] <... set_robust_list resumed>) = 0 [pid 6663] memfd_create("syzkaller", 0 [pid 6660] <... munmap resumed>) = 0 [pid 6664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6663] <... memfd_create resumed>) = 3 [pid 6664] <... prctl resumed>) = 0 [pid 6664] setpgid(0, 0 [pid 6663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6664] <... setpgid resumed>) = 0 [pid 6661] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6660] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6663] <... mmap resumed>) = 0x7f3940e00000 [pid 6661] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6660] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6661] close(3 [pid 6664] <... openat resumed>) = 3 [pid 6659] <... close resumed>) = 0 [pid 6664] write(3, "1000", 4 [pid 6663] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6661] <... close resumed>) = 0 [pid 6660] close(3 [pid 6664] <... write resumed>) = 4 [pid 6661] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] close(3) = 0 executing program [pid 6664] write(1, "executing program\n", 18) = 18 [pid 6664] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6659] <... futex resumed>) = 1 [pid 6659] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6661] <... futex resumed>) = 1 [pid 6657] <... futex resumed>) = 0 [pid 6661] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6657] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] <... openat resumed>) = 3 [pid 6657] <... futex resumed>) = 0 [pid 6657] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6661] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... futex resumed>) = 0 [pid 6657] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6657] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6661] <... futex resumed>) = 1 [pid 6661] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 1048576 [pid 6661] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6656] <... futex resumed>) = 0 [pid 6661] <... futex resumed>) = 1 [pid 6657] <... futex resumed>) = 0 [pid 6661] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6657] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6657] <... futex resumed>) = 0 [pid 6664] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6661] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6663] munmap(0x7f3940e00000, 138412032 [pid 6657] munmap(0x7f3940e00000, 138412032 [pid 6656] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6656] <... futex resumed>) = 1 [pid 6664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6656] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] <... munmap resumed>) = 0 [pid 6661] +++ killed by SIGBUS +++ [pid 6657] +++ killed by SIGBUS +++ [pid 6664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6659] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6657, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6664] <... mmap resumed>) = 0x7f3949327000 [pid 6663] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6660] <... close resumed>) = 0 [pid 6659] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6664] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6663] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6659] <... openat resumed>) = 3 [pid 6664] <... mprotect resumed>) = 0 [pid 6663] close(3 [pid 6660] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... futex resumed>) = 1 [pid 6659] <... futex resumed>) = 1 [pid 6656] <... futex resumed>) = 0 [pid 6664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6660] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6659] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6656] <... futex resumed>) = 0 [pid 6659] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6656] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... mmap resumed>) = 0x200000000000 [pid 6659] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6663] <... close resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6663] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = 1 [pid 6658] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6659] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6665 attached [pid 6663] <... futex resumed>) = 1 [pid 6662] <... futex resumed>) = 0 [pid 6660] <... futex resumed>) = 0 [pid 6659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6658] <... futex resumed>) = 1 [pid 6656] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6665] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6664] <... clone3 resumed> => {parent_tid=[6665]}, 88) = 6665 [pid 6663] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6662] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6659] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6658] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6656] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... rseq resumed>) = 0 [pid 6664] rt_sigprocmask(SIG_SETMASK, [], [pid 6663] <... openat resumed>) = 3 [pid 6662] <... futex resumed>) = 0 [pid 6660] <... openat resumed>) = 3 [pid 6665] set_robust_list(0x7f39493479a0, 24 [pid 6660] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] <... futex resumed>) = ? ./strace-static-x86_64: Process 6666 attached [pid 6665] <... set_robust_list resumed>) = 0 [pid 6664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6663] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] <... futex resumed>) = 1 [pid 6659] +++ killed by SIGBUS +++ [pid 6658] <... futex resumed>) = 0 [pid 6656] +++ killed by SIGBUS +++ [pid 6666] set_robust_list(0x55558704b6a0, 24 [pid 6665] rt_sigprocmask(SIG_SETMASK, [], [pid 6664] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] <... futex resumed>) = 0 [pid 6662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6660] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6656, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6666 [pid 6666] <... set_robust_list resumed>) = 0 [pid 6665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6664] <... futex resumed>) = 0 [pid 6663] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6658] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6665] memfd_create("syzkaller", 0 [pid 6664] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] <... futex resumed>) = 0 [pid 6660] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6658] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6663] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6662] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... memfd_create resumed>) = 3 [pid 6663] <... mmap resumed>) = 0x200000000000 [pid 6660] <... mmap resumed>) = 0x200000000000 [pid 6665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6666] setpgid(0, 0 [pid 6663] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6666] <... setpgid resumed>) = 0 [pid 6665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6663] <... futex resumed>) = 1 [pid 6662] <... futex resumed>) = 0 [pid 6660] <... futex resumed>) = 1 [pid 6658] <... futex resumed>) = 0 [pid 6666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6660] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... openat resumed>) = 3 [pid 6663] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6662] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] write(3, "1000", 4 [pid 6658] <... futex resumed>) = 1 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6666] <... write resumed>) = 4 [pid 6662] <... futex resumed>) = 1 [pid 6658] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] <... futex resumed>) = 0 [pid 6666] close(3 [pid 6662] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] <... close resumed>) = 0 [pid 6663] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6666] write(1, "executing program\n", 18) = 18 [pid 6662] <... futex resumed>) = ? [pid 6660] <... futex resumed>) = 0 [pid 6666] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6665] <... write resumed>) = 1048576 [pid 6663] +++ killed by SIGBUS +++ [pid 6662] +++ killed by SIGBUS +++ [pid 6660] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6667 attached [pid 6666] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6658] <... futex resumed>) = ? [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6662, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6667] set_robust_list(0x55558704b6a0, 24 [pid 6666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6660] +++ killed by SIGBUS +++ [pid 6658] +++ killed by SIGBUS +++ [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6667 [pid 6667] <... set_robust_list resumed>) = 0 [pid 6666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6658, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6665] munmap(0x7f3940e00000, 138412032 [pid 6667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6667] <... prctl resumed>) = 0 [pid 6666] <... mmap resumed>) = 0x7f3949327000 [pid 6667] setpgid(0, 0 [pid 6665] <... munmap resumed>) = 0 [pid 6666] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6667] <... setpgid resumed>) = 0 [pid 6666] <... mprotect resumed>) = 0 [pid 6667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6665] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6668 attached [pid 6667] <... openat resumed>) = 3 [pid 6666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6665] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6668] set_robust_list(0x55558704b6a0, 24) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6667] write(3, "1000", 4 [pid 6666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6665] close(3./strace-static-x86_64: Process 6669 attached [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6667] <... write resumed>) = 4 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6668 [pid 6669] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6668] <... prctl resumed>) = 0 executing program [pid 6669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6668] setpgid(0, 0) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6669 ./strace-static-x86_64: Process 6670 attached [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6667] close(3 [pid 6670] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6667] <... close resumed>) = 0 [pid 6670] <... rseq resumed>) = 0 [pid 6666] <... clone3 resumed> => {parent_tid=[6670]}, 88) = 6670 [pid 6670] set_robust_list(0x7f39493479a0, 24 [pid 6667] write(1, "executing program\n", 18 [pid 6666] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... set_robust_list resumed>) = 0 [pid 6667] <... write resumed>) = 18 [pid 6666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6670] rt_sigprocmask(SIG_SETMASK, [], [pid 6667] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6667] <... futex resumed>) = 0 [pid 6666] <... futex resumed>) = 0 [pid 6670] memfd_create("syzkaller", 0 [pid 6669] <... prctl resumed>) = 0 [pid 6668] <... openat resumed>) = 3 [pid 6667] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6666] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6670] <... memfd_create resumed>) = 3 [pid 6669] setpgid(0, 0 [pid 6668] write(3, "1000", 4 [pid 6667] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6669] <... setpgid resumed>) = 0 [pid 6668] <... write resumed>) = 4 [pid 6670] <... mmap resumed>) = 0x7f3940e00000 [pid 6669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6668] close(3 [pid 6667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6669] <... openat resumed>) = 3 [pid 6668] <... close resumed>) = 0 [pid 6668] write(1, "executing program\n", 18) = 18 [pid 6667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6669] write(3, "1000", 4 [pid 6668] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6669] <... write resumed>) = 4 [pid 6668] <... futex resumed>) = 0 [pid 6667] <... mmap resumed>) = 0x7f3949327000 [pid 6665] <... close resumed>) = 0 [pid 6669] close(3 [pid 6668] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6667] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6665] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... close resumed>) = 0 executing program [pid 6668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6669] write(1, "executing program\n", 18 [pid 6668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6667] <... mprotect resumed>) = 0 [pid 6665] <... futex resumed>) = 1 [pid 6664] <... futex resumed>) = 0 [pid 6669] <... write resumed>) = 18 [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6664] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6665] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6664] <... futex resumed>) = 0 [pid 6669] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6667] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6665] <... openat resumed>) = 3 [pid 6664] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... futex resumed>) = 0 [pid 6668] <... mmap resumed>) = 0x7f3949327000 [pid 6667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6665] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6671 attached [pid 6669] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6668] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6665] <... futex resumed>) = 0 [pid 6664] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6669] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6668] <... mprotect resumed>) = 0 [pid 6667] <... clone3 resumed> => {parent_tid=[6671]}, 88) = 6671 [pid 6665] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6671] <... rseq resumed>) = 0 [pid 6669] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6667] rt_sigprocmask(SIG_SETMASK, [], [pid 6664] <... futex resumed>) = 0 [pid 6671] set_robust_list(0x7f39493479a0, 24 [pid 6669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6665] <... mmap resumed>) = 0x200000000000 [pid 6664] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... set_robust_list resumed>) = 0 [pid 6670] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6665] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6671] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... write resumed>) = 1048576 [pid 6669] <... mmap resumed>) = 0x7f3949327000 [pid 6668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6667] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... futex resumed>) = 0 [pid 6664] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6669] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6664] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6672 attached [pid 6672] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6671] memfd_create("syzkaller", 0 [pid 6670] munmap(0x7f3940e00000, 138412032 [pid 6669] <... mprotect resumed>) = 0 [pid 6667] <... futex resumed>) = 0 [pid 6665] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6664] ???( [pid 6672] <... rseq resumed>) = 0 [pid 6671] <... memfd_create resumed>) = 3 [pid 6670] <... munmap resumed>) = 0 [pid 6669] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6668] <... clone3 resumed> => {parent_tid=[6672]}, 88) = 6672 [pid 6667] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6664] <... ??? resumed>) = ? [pid 6672] set_robust_list(0x7f39493479a0, 24 [pid 6671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6669] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6668] rt_sigprocmask(SIG_SETMASK, [], [pid 6665] +++ killed by SIGBUS +++ [pid 6671] <... mmap resumed>) = 0x7f3940e00000 [pid 6672] <... set_robust_list resumed>) = 0 [pid 6670] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6669] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6664] +++ killed by SIGBUS +++ [pid 6672] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6673 attached NULL, 8) = 0 [pid 6668] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6664, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6673] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6673] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6673] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6672] memfd_create("syzkaller", 0 [pid 6670] close(3 [pid 6669] <... clone3 resumed> => {parent_tid=[6673]}, 88) = 6673 [pid 6668] <... futex resumed>) = 0 [pid 6668] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6669] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6669] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] <... futex resumed>) = 0 [pid 6672] <... memfd_create resumed>) = 3 [pid 6669] <... futex resumed>) = 1 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6673] memfd_create("syzkaller", 0 [pid 6672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6669] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6673] <... memfd_create resumed>) = 3 [pid 6672] <... mmap resumed>) = 0x7f3940e00000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6674 attached [pid 6673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6670] <... close resumed>) = 0 [pid 6674] set_robust_list(0x55558704b6a0, 24 [pid 6671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6674] <... set_robust_list resumed>) = 0 [pid 6674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6674] setpgid(0, 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6674 [pid 6674] <... setpgid resumed>) = 0 [pid 6672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6671] <... write resumed>) = 1048576 [pid 6670] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6670] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6670] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6674] <... openat resumed>) = 3 [pid 6672] <... write resumed>) = 1048576 [pid 6671] munmap(0x7f3940e00000, 138412032 [pid 6666] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 6670] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6666] <... futex resumed>) = 0 [pid 6672] munmap(0x7f3940e00000, 138412032 [pid 6674] write(3, "1000", 4) = 4 [pid 6670] <... openat resumed>) = 3 [pid 6674] close(3) = 0 [pid 6674] write(1, "executing program\n", 18) = 18 [pid 6674] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] <... munmap resumed>) = 0 [pid 6671] <... munmap resumed>) = 0 [pid 6670] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] <... futex resumed>) = 0 [pid 6670] <... futex resumed>) = 0 [pid 6674] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6670] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6674] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6672] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6666] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6670] <... futex resumed>) = 0 [pid 6666] <... futex resumed>) = 1 [pid 6674] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6672] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6670] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6666] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] <... mprotect resumed>) = 0 [pid 6671] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6674] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6671] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6670] <... mmap resumed>) = 0x200000000000 [pid 6674] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6671] close(3 [pid 6670] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6672] close(3./strace-static-x86_64: Process 6675 attached [pid 6670] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6674] <... clone3 resumed> => {parent_tid=[6675]}, 88) = 6675 [pid 6670] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6674] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6666] <... futex resumed>) = 0 [pid 6675] <... rseq resumed>) = 0 [pid 6674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] <... write resumed>) = 1048576 [pid 6670] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6666] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6675] set_robust_list(0x7f39493479a0, 24 [pid 6674] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... close resumed>) = 0 [pid 6675] <... set_robust_list resumed>) = 0 [pid 6674] <... futex resumed>) = 0 [pid 6673] munmap(0x7f3940e00000, 138412032 [pid 6674] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6675] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6675] memfd_create("syzkaller", 0 [pid 6673] <... munmap resumed>) = 0 [pid 6675] <... memfd_create resumed>) = 3 [pid 6675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6672] <... close resumed>) = 0 [pid 6675] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6673] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6672] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = ? [pid 6671] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6671] <... futex resumed>) = 1 [pid 6667] <... futex resumed>) = 0 [pid 6667] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6667] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 6671] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6667] <... futex resumed>) = 0 [pid 6667] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6667] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] close(3 [pid 6672] <... futex resumed>) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6671] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 0 [pid 6667] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6667] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6672] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6667] <... futex resumed>) = ? [pid 6670] +++ killed by SIGBUS +++ [pid 6668] <... futex resumed>) = 0 [pid 6666] +++ killed by SIGBUS +++ [pid 6672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6673] <... close resumed>) = 0 [pid 6672] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6671] +++ killed by SIGBUS +++ [pid 6668] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6666, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6672] <... openat resumed>) = 3 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6672] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6667, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6672] <... futex resumed>) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6668] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6668] <... futex resumed>) = 0 [pid 6668] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6672] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6673] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6676 attached [pid 6675] <... write resumed>) = 1048576 [pid 6673] <... futex resumed>) = 1 [pid 6672] <... mmap resumed>) = 0x200000000000 [pid 6669] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6676 [pid 6676] set_robust_list(0x55558704b6a0, 24 [pid 6673] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6669] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6672] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6677 attached [pid 6676] <... set_robust_list resumed>) = 0 [pid 6675] munmap(0x7f3940e00000, 138412032 [pid 6673] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6669] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] set_robust_list(0x55558704b6a0, 24 [pid 6676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6672] <... futex resumed>) = 1 [pid 6668] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6677 [pid 6677] <... set_robust_list resumed>) = 0 [pid 6676] <... prctl resumed>) = 0 [pid 6675] <... munmap resumed>) = 0 [pid 6673] <... openat resumed>) = 3 [pid 6672] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6676] setpgid(0, 0 [pid 6668] <... futex resumed>) = 0 [pid 6676] <... setpgid resumed>) = 0 [pid 6676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] <... prctl resumed>) = 0 [pid 6673] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6677] setpgid(0, 0 [pid 6676] <... openat resumed>) = 3 [pid 6673] <... futex resumed>) = 1 [pid 6669] <... futex resumed>) = 0 [pid 6668] <... futex resumed>) = ? [pid 6677] <... setpgid resumed>) = 0 [pid 6675] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6675] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6673] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6669] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] write(3, "1000", 4 [pid 6673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6669] <... futex resumed>) = 0 [pid 6677] <... openat resumed>) = 3 [pid 6676] <... write resumed>) = 4 [pid 6675] close(3 [pid 6673] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6669] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] write(3, "1000", 4) = 4 [pid 6676] <... close resumed>) = 0 [pid 6673] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] close(3 [pid 6676] write(1, "executing program\n", 18 [pid 6673] <... futex resumed>) = 0 [pid 6677] <... close resumed>) = 0 [pid 6676] <... write resumed>) = 18 [pid 6673] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6677] write(1, "executing program\n", 18 [pid 6676] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... write resumed>) = 18 [pid 6676] <... futex resumed>) = 0 [pid 6672] +++ killed by SIGBUS +++ [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] +++ killed by SIGBUS +++ [pid 6677] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6669] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6668, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 6677] <... futex resumed>) = 0 [pid 6676] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6675] <... close resumed>) = 0 [pid 6673] <... futex resumed>) = 0 [pid 6669] <... futex resumed>) = 1 [pid 6677] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6669] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6677] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6676] <... mmap resumed>) = 0x7f3949327000 [pid 6677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6676] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6677] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6673] +++ killed by SIGBUS +++ [pid 6677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6678 attached [pid 6676] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6669] <... futex resumed>) = ? [pid 6677] <... clone3 resumed> => {parent_tid=[6678]}, 88) = 6678 [pid 6676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6676] <... clone3 resumed> => {parent_tid=[6679]}, 88) = 6679 [pid 6677] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] rt_sigprocmask(SIG_SETMASK, [], [pid 6677] <... futex resumed>) = 0 [pid 6676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6677] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6676] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6676] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6675] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6680 attached ./strace-static-x86_64: Process 6679 attached [pid 6678] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6669] +++ killed by SIGBUS +++ [pid 6679] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6680 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6669, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6679] <... rseq resumed>) = 0 [pid 6680] set_robust_list(0x55558704b6a0, 24 [pid 6678] <... rseq resumed>) = 0 [pid 6675] <... futex resumed>) = 1 [pid 6674] <... futex resumed>) = 0 [pid 6680] <... set_robust_list resumed>) = 0 [pid 6679] set_robust_list(0x7f39493479a0, 24 [pid 6678] set_robust_list(0x7f39493479a0, 24 [pid 6675] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6674] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6679] <... set_robust_list resumed>) = 0 [pid 6678] <... set_robust_list resumed>) = 0 [pid 6675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6674] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6680] <... prctl resumed>) = 0 [pid 6679] rt_sigprocmask(SIG_SETMASK, [], [pid 6678] rt_sigprocmask(SIG_SETMASK, [], [pid 6675] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6674] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] setpgid(0, 0 [pid 6679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6675] <... openat resumed>) = 3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6680] <... setpgid resumed>) = 0 [pid 6679] memfd_create("syzkaller", 0 [pid 6678] memfd_create("syzkaller", 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6679] <... memfd_create resumed>) = 3 [pid 6678] <... memfd_create resumed>) = 3 [pid 6675] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6675] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6681 attached [pid 6680] <... openat resumed>) = 3 [pid 6679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6675] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6681] set_robust_list(0x55558704b6a0, 24 [pid 6680] write(3, "1000", 4 [pid 6679] <... mmap resumed>) = 0x7f3940e00000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6681 [pid 6681] <... set_robust_list resumed>) = 0 [pid 6680] <... write resumed>) = 4 [pid 6678] <... mmap resumed>) = 0x7f3940e00000 [pid 6675] <... mmap resumed>) = 0x200000000000 [pid 6681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6680] close(3 [pid 6681] <... prctl resumed>) = 0 [pid 6680] <... close resumed>) = 0 [pid 6679] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6681] setpgid(0, 0executing program [pid 6680] write(1, "executing program\n", 18 [pid 6675] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... write resumed>) = 18 [pid 6675] <... futex resumed>) = 1 [pid 6674] <... futex resumed>) = 0 [pid 6680] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6674] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... setpgid resumed>) = 0 [pid 6680] <... futex resumed>) = 0 [pid 6674] <... futex resumed>) = ? [pid 6681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6680] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6675] +++ killed by SIGBUS +++ [pid 6674] +++ killed by SIGBUS +++ [pid 6681] <... openat resumed>) = 3 [pid 6680] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6681] write(3, "1000", 4) = 4 [pid 6680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6674, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6681] close(3executing program ) = 0 [pid 6680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6681] write(1, "executing program\n", 18) = 18 [pid 6680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6681] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... mmap resumed>) = 0x7f3949327000 [pid 6681] <... futex resumed>) = 0 [pid 6681] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6680] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6681] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6681] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6679] <... write resumed>) = 1048576 ./strace-static-x86_64: Process 6682 attached [pid 6681] <... mprotect resumed>) = 0 [pid 6679] munmap(0x7f3940e00000, 138412032 [pid 6682] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6680] <... clone3 resumed> => {parent_tid=[6682]}, 88) = 6682 [pid 6679] <... munmap resumed>) = 0 [pid 6681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6682] <... rseq resumed>) = 0 [pid 6681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6680] rt_sigprocmask(SIG_SETMASK, [], [pid 6679] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6682] set_robust_list(0x7f39493479a0, 24 [pid 6681] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6679] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6682] <... set_robust_list resumed>) = 0 [pid 6680] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6683 attached [pid 6682] rt_sigprocmask(SIG_SETMASK, [], [pid 6680] <... futex resumed>) = 0 [pid 6679] close(3 [pid 6680] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6684 attached [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6684 [pid 6684] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6684] setpgid(0, 0) = 0 [pid 6683] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6681] <... clone3 resumed> => {parent_tid=[6683]}, 88) = 6683 [pid 6679] <... close resumed>) = 0 [pid 6678] <... write resumed>) = 1048576 [pid 6684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6683] <... rseq resumed>) = 0 [pid 6681] rt_sigprocmask(SIG_SETMASK, [], [pid 6678] munmap(0x7f3940e00000, 138412032 [pid 6682] memfd_create("syzkaller", 0 [pid 6684] <... openat resumed>) = 3 [pid 6683] set_robust_list(0x7f39493479a0, 24 [pid 6681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6679] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6678] <... munmap resumed>) = 0 [pid 6682] <... memfd_create resumed>) = 3 [pid 6683] <... set_robust_list resumed>) = 0 [pid 6681] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6679] <... futex resumed>) = 1 [pid 6676] <... futex resumed>) = 0 [pid 6684] write(3, "1000", 4 [pid 6683] rt_sigprocmask(SIG_SETMASK, [], [pid 6682] <... mmap resumed>) = 0x7f3940e00000 [pid 6681] <... futex resumed>) = 0 [pid 6679] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6676] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] <... write resumed>) = 4 [pid 6683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6678] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6676] <... futex resumed>) = 0 [pid 6684] close(3 [pid 6683] memfd_create("syzkaller", 0 [pid 6681] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6678] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6676] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6684] <... close resumed>) = 0 [pid 6683] <... memfd_create resumed>) = 3 [pid 6679] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6678] close(3 [pid 6684] write(1, "executing program\n", 18) = 18 [pid 6683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6679] <... openat resumed>) = 3 [pid 6679] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... mmap resumed>) = 0x7f3940e00000 [pid 6679] <... futex resumed>) = 1 [pid 6676] <... futex resumed>) = 0 [pid 6684] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6684] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6684] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6685 attached [pid 6685] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6684] <... clone3 resumed> => {parent_tid=[6685]}, 88) = 6685 [pid 6683] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6679] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6678] <... close resumed>) = 0 [pid 6676] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... rseq resumed>) = 0 [pid 6684] rt_sigprocmask(SIG_SETMASK, [], [pid 6679] <... mmap resumed>) = 0x200000000000 [pid 6676] <... futex resumed>) = 0 [pid 6678] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6678] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6679] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6684] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... futex resumed>) = 0 [pid 6676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6679] <... futex resumed>) = 0 [pid 6679] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6676] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6676] <... futex resumed>) = 0 [pid 6679] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6677] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] <... futex resumed>) = 0 [pid 6677] <... futex resumed>) = 1 [pid 6676] <... futex resumed>) = ? [pid 6678] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6684] <... futex resumed>) = 0 [pid 6679] +++ killed by SIGBUS +++ [pid 6678] <... openat resumed>) = 3 [pid 6684] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6678] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6678] <... futex resumed>) = 0 [pid 6677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6678] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6677] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] memfd_create("syzkaller", 0) = 3 [pid 6677] <... futex resumed>) = 0 [pid 6676] +++ killed by SIGBUS +++ [pid 6685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6677] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6676, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6685] <... mmap resumed>) = 0x7f3940e00000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6678] <... mmap resumed>) = 0x200000000000 [pid 6678] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6677] <... futex resumed>) = 0 [pid 6678] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6677] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = ? [pid 6683] <... write resumed>) = 1048576 [pid 6683] munmap(0x7f3940e00000, 138412032) = 0 [pid 6682] <... write resumed>) = 1048576 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6683] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6686 attached [pid 6683] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6682] munmap(0x7f3940e00000, 138412032 [pid 6678] +++ killed by SIGBUS +++ [pid 6677] +++ killed by SIGBUS +++ [pid 6683] close(3 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6686 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6677, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6686] set_robust_list(0x55558704b6a0, 24 [pid 6685] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6686] <... set_robust_list resumed>) = 0 [pid 6682] <... munmap resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6686] <... prctl resumed>) = 0 [pid 6682] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6686] setpgid(0, 0 [pid 6682] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6688 attached [pid 6686] <... setpgid resumed>) = 0 [pid 6682] close(3 [pid 6688] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6688] setpgid(0, 0 [pid 6685] <... write resumed>) = 1048576 [pid 6688] <... setpgid resumed>) = 0 [pid 6686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6685] munmap(0x7f3940e00000, 138412032 [pid 6688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6686] <... openat resumed>) = 3 [pid 6685] <... munmap resumed>) = 0 [pid 6683] <... close resumed>) = 0 [pid 6682] <... close resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6688 [pid 6686] write(3, "1000", 4 [pid 6688] write(3, "1000", 4 [pid 6686] <... write resumed>) = 4 [pid 6685] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6683] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... write resumed>) = 4 [pid 6686] close(3 [pid 6685] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6683] <... futex resumed>) = 1 [pid 6682] <... futex resumed>) = 1 [pid 6681] <... futex resumed>) = 0 [pid 6680] <... futex resumed>) = 0 [pid 6688] close(3 [pid 6686] <... close resumed>) = 0 [pid 6685] close(3 [pid 6683] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6681] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... close resumed>) = 0 [pid 6686] write(1, "executing program\n", 18 [pid 6685] <... close resumed>) = 0 executing program executing program [pid 6683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6681] <... futex resumed>) = 0 [pid 6680] <... futex resumed>) = 0 [pid 6686] <... write resumed>) = 18 [pid 6683] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6682] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6681] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] write(1, "executing program\n", 18 [pid 6686] <... futex resumed>) = 0 [pid 6680] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6688] <... write resumed>) = 18 [pid 6686] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6683] <... openat resumed>) = 3 [pid 6688] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6683] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... openat resumed>) = 3 [pid 6688] <... futex resumed>) = 0 [pid 6686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6683] <... futex resumed>) = 1 [pid 6682] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = 0 [pid 6688] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6681] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... futex resumed>) = 1 [pid 6680] <... futex resumed>) = 0 [pid 6688] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6683] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6682] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6681] <... futex resumed>) = 0 [pid 6680] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6686] <... mmap resumed>) = 0x7f3949327000 [pid 6682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6681] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 0 [pid 6688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6686] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6685] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... mmap resumed>) = 0x200000000000 [pid 6682] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6680] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6688] <... mmap resumed>) = 0x7f3949327000 [pid 6686] <... mprotect resumed>) = 0 [pid 6685] <... futex resumed>) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6688] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6685] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... mmap resumed>) = 0x200000000000 [pid 6688] <... mprotect resumed>) = 0 [pid 6686] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6684] <... futex resumed>) = 0 [pid 6683] <... futex resumed>) = 1 [pid 6682] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = 0 [pid 6688] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6686] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6685] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6684] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] <... futex resumed>) = 1 [pid 6681] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6688] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6685] <... openat resumed>) = 3 [pid 6683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6681] <... futex resumed>) = 0 [pid 6680] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6681] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6689 attached [pid 6685] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6680] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6690 attached [pid 6689] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6688] <... clone3 resumed> => {parent_tid=[6689]}, 88) = 6689 [pid 6685] <... futex resumed>) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6682] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6690] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6689] <... rseq resumed>) = 0 [pid 6688] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] <... clone3 resumed> => {parent_tid=[6690]}, 88) = 6690 [pid 6685] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = ? [pid 6680] <... futex resumed>) = ? [pid 6690] <... rseq resumed>) = 0 [pid 6689] set_robust_list(0x7f39493479a0, 24 [pid 6688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6686] rt_sigprocmask(SIG_SETMASK, [], [pid 6685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6684] <... futex resumed>) = 0 [pid 6690] set_robust_list(0x7f39493479a0, 24 [pid 6689] <... set_robust_list resumed>) = 0 [pid 6688] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6684] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] <... set_robust_list resumed>) = 0 [pid 6688] <... futex resumed>) = 0 [pid 6690] rt_sigprocmask(SIG_SETMASK, [], [pid 6688] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6685] <... mmap resumed>) = 0x200000000000 [pid 6690] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6685] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6685] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6684] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6684] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6689] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6682] +++ killed by SIGBUS +++ [pid 6680] +++ killed by SIGBUS +++ [pid 6689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6686] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] +++ killed by SIGBUS +++ [pid 6684] +++ killed by SIGBUS +++ [pid 6683] +++ killed by SIGBUS +++ [pid 6681] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6680, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6684, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 6690] <... futex resumed>) = 0 [pid 6689] memfd_create("syzkaller", 0 [pid 6686] <... futex resumed>) = 1 [pid 6690] memfd_create("syzkaller", 0 [pid 6686] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6681, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6689] <... memfd_create resumed>) = 3 [pid 6690] <... memfd_create resumed>) = 3 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6690] <... mmap resumed>) = 0x7f3940e00000 [pid 6689] <... mmap resumed>) = 0x7f3940e00000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6691 attached [pid 5827] <... restart_syscall resumed>) = 0 [pid 6691] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6691] <... prctl resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6691 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6691] setpgid(0, 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6691] <... setpgid resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6692 ./strace-static-x86_64: Process 6693 attached ./strace-static-x86_64: Process 6692 attached [pid 6692] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6689] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6692] <... prctl resumed>) = 0 [pid 6692] setpgid(0, 0 [pid 6691] <... openat resumed>) = 3 [pid 6693] set_robust_list(0x55558704b6a0, 24 [pid 6691] write(3, "1000", 4 [pid 6693] <... set_robust_list resumed>) = 0 [pid 6692] <... setpgid resumed>) = 0 [pid 6690] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6691] <... write resumed>) = 4 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6693 [pid 6693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6693] <... prctl resumed>) = 0 [pid 6692] <... openat resumed>) = 3 [pid 6691] close(3 [pid 6693] setpgid(0, 0) = 0 [pid 6692] write(3, "1000", 4 [pid 6691] <... close resumed>) = 0 [pid 6693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6692] <... write resumed>) = 4 [pid 6691] write(1, "executing program\n", 18 [pid 6692] close(3executing program ) = 0 [pid 6693] <... openat resumed>) = 3 [pid 6692] write(1, "executing program\n", 18 [pid 6691] <... write resumed>) = 18 [pid 6689] <... write resumed>) = 1048576 executing program [pid 6693] write(3, "1000", 4 [pid 6692] <... write resumed>) = 18 [pid 6691] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] munmap(0x7f3940e00000, 138412032 [pid 6693] <... write resumed>) = 4 [pid 6691] <... futex resumed>) = 0 [pid 6693] close(3 [pid 6691] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6693] <... close resumed>) = 0 [pid 6692] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6690] <... write resumed>) = 1048576 [pid 6689] <... munmap resumed>) = 0 executing program [pid 6693] write(1, "executing program\n", 18 [pid 6691] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6692] <... futex resumed>) = 0 [pid 6693] <... write resumed>) = 18 [pid 6691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6692] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6691] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6693] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6692] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6691] <... mmap resumed>) = 0x7f3949327000 [pid 6693] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6693] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6691] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6693] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6691] <... mprotect resumed>) = 0 [pid 6693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6690] munmap(0x7f3940e00000, 138412032 [pid 6689] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6691] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6693] <... mmap resumed>) = 0x7f3949327000 [pid 6691] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6693] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6691] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6694 attached [pid 6693] <... mprotect resumed>) = 0 [pid 6692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6690] <... munmap resumed>) = 0 [pid 6689] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6694] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6692] <... mmap resumed>) = 0x7f3949327000 [pid 6690] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6689] close(3 [pid 6694] <... rseq resumed>) = 0 [pid 6693] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6692] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6691] <... clone3 resumed> => {parent_tid=[6694]}, 88) = 6694 [pid 6690] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6694] set_robust_list(0x7f39493479a0, 24 [pid 6693] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6692] <... mprotect resumed>) = 0 [pid 6691] rt_sigprocmask(SIG_SETMASK, [], [pid 6694] <... set_robust_list resumed>) = 0 [pid 6693] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6692] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6690] close(3./strace-static-x86_64: Process 6695 attached [pid 6694] rt_sigprocmask(SIG_SETMASK, [], [pid 6692] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6691] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6693] <... clone3 resumed> => {parent_tid=[6695]}, 88) = 6695 [pid 6692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6691] <... futex resumed>) = 0 [pid 6690] <... close resumed>) = 0 ./strace-static-x86_64: Process 6696 attached [pid 6695] <... rseq resumed>) = 0 [pid 6694] memfd_create("syzkaller", 0 [pid 6693] rt_sigprocmask(SIG_SETMASK, [], [pid 6691] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6695] set_robust_list(0x7f39493479a0, 24 [pid 6696] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6695] <... set_robust_list resumed>) = 0 [pid 6694] <... memfd_create resumed>) = 3 [pid 6693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6696] <... rseq resumed>) = 0 [pid 6695] rt_sigprocmask(SIG_SETMASK, [], [pid 6694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6693] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] <... clone3 resumed> => {parent_tid=[6696]}, 88) = 6696 [pid 6689] <... close resumed>) = 0 [pid 6690] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] set_robust_list(0x7f39493479a0, 24 [pid 6695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6694] <... mmap resumed>) = 0x7f3940e00000 [pid 6693] <... futex resumed>) = 0 [pid 6692] rt_sigprocmask(SIG_SETMASK, [], [pid 6690] <... futex resumed>) = 1 [pid 6689] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... futex resumed>) = 0 [pid 6696] <... set_robust_list resumed>) = 0 [pid 6695] memfd_create("syzkaller", 0 [pid 6693] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6690] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6689] <... futex resumed>) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6686] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] rt_sigprocmask(SIG_SETMASK, [], [pid 6695] <... memfd_create resumed>) = 3 [pid 6692] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... futex resumed>) = 0 [pid 6696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6692] <... futex resumed>) = 0 [pid 6690] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] <... futex resumed>) = 0 [pid 6686] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] memfd_create("syzkaller", 0 [pid 6695] <... mmap resumed>) = 0x7f3940e00000 [pid 6692] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6689] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6688] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] <... openat resumed>) = 3 [pid 6690] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... openat resumed>) = 3 [pid 6690] <... futex resumed>) = 1 [pid 6689] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6689] <... futex resumed>) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6689] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] <... futex resumed>) = 0 [pid 6689] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6688] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... memfd_create resumed>) = 3 [pid 6686] <... futex resumed>) = 0 [pid 6696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6689] <... mmap resumed>) = 0x200000000000 [pid 6686] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] <... mmap resumed>) = 0x7f3940e00000 [pid 6686] <... futex resumed>) = 1 [pid 6694] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6690] <... futex resumed>) = 0 [pid 6689] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6696] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6689] <... futex resumed>) = 1 [pid 6690] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] <... futex resumed>) = 0 [pid 6690] <... futex resumed>) = 1 [pid 6688] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] <... futex resumed>) = 0 [pid 6686] <... futex resumed>) = 0 [pid 6688] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... futex resumed>) = 0 [pid 6686] <... futex resumed>) = 1 [pid 6686] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6690] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6689] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6686] <... futex resumed>) = ? [pid 6690] +++ killed by SIGBUS +++ [pid 6688] <... futex resumed>) = ? [pid 6689] +++ killed by SIGBUS +++ [pid 6688] +++ killed by SIGBUS +++ [pid 6686] +++ killed by SIGBUS +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6688, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6696] <... write resumed>) = 1048576 [pid 6695] <... write resumed>) = 1048576 [pid 6694] <... write resumed>) = 1048576 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6686, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6696] munmap(0x7f3940e00000, 138412032 [pid 6695] munmap(0x7f3940e00000, 138412032 [pid 6694] munmap(0x7f3940e00000, 138412032 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6696] <... munmap resumed>) = 0 [pid 6695] <... munmap resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6696] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6695] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6694] <... munmap resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6696] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6695] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6696] close(3 [pid 6695] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6696] <... close resumed>) = 0 [pid 6695] <... close resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6694] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6698 attached ./strace-static-x86_64: Process 6697 attached [pid 6696] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6696] <... futex resumed>) = 1 [pid 6696] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6697 [pid 6694] close(3 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6698 [pid 6698] set_robust_list(0x55558704b6a0, 24 [pid 6697] set_robust_list(0x55558704b6a0, 24 [pid 6698] <... set_robust_list resumed>) = 0 [pid 6697] <... set_robust_list resumed>) = 0 [pid 6698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6694] <... close resumed>) = 0 [pid 6698] <... prctl resumed>) = 0 [pid 6697] <... prctl resumed>) = 0 [pid 6698] setpgid(0, 0 [pid 6697] setpgid(0, 0 [pid 6692] <... futex resumed>) = 0 [pid 6698] <... setpgid resumed>) = 0 [pid 6697] <... setpgid resumed>) = 0 [pid 6692] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6696] <... futex resumed>) = 0 [pid 6696] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6692] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6696] <... openat resumed>) = 3 [pid 6696] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] <... futex resumed>) = 0 [pid 6698] <... openat resumed>) = 3 [pid 6697] <... openat resumed>) = 3 [pid 6696] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6692] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] write(3, "1000", 4 [pid 6697] write(3, "1000", 4 [pid 6698] <... write resumed>) = 4 [pid 6696] <... mmap resumed>) = 0x200000000000 [pid 6695] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] <... futex resumed>) = 0 [pid 6697] <... write resumed>) = 4 [pid 6698] close(3 [pid 6697] close(3 [pid 6696] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 1 [pid 6692] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... futex resumed>) = 0 [pid 6698] <... close resumed>) = 0 [pid 6697] <... close resumed>) = 0 [pid 6696] <... futex resumed>) = 0 [pid 6695] <... futex resumed>) = 1 [pid 6694] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6693] <... futex resumed>) = 0 [pid 6692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program executing program [pid 6691] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] write(1, "executing program\n", 18 [pid 6697] write(1, "executing program\n", 18 [pid 6696] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6695] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6693] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... futex resumed>) = 0 [pid 6698] <... write resumed>) = 18 [pid 6697] <... write resumed>) = 18 [pid 6696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6694] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6693] <... futex resumed>) = 0 [pid 6692] <... futex resumed>) = 0 [pid 6691] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6695] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6694] <... openat resumed>) = 3 [pid 6693] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6692] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6695] <... openat resumed>) = 3 [pid 6694] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6695] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 1 [pid 6698] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6697] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6695] <... futex resumed>) = 1 [pid 6694] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6693] <... futex resumed>) = 0 [pid 6691] <... futex resumed>) = 0 [pid 6698] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6697] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6696] +++ killed by SIGBUS +++ [pid 6695] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6693] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] +++ killed by SIGBUS +++ [pid 6691] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6693] <... futex resumed>) = 0 [pid 6694] <... futex resumed>) = 0 [pid 6698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6694] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6693] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... futex resumed>) = 1 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6692, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] <... mmap resumed>) = 0x7f3949327000 [pid 6697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6695] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6694] <... mmap resumed>) = 0x200000000000 [pid 6691] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6698] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6697] <... mmap resumed>) = 0x7f3949327000 [pid 6695] <... mmap resumed>) = 0x200000000000 [pid 6694] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] <... mprotect resumed>) = 0 [pid 6697] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6695] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 0 [pid 6691] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6698] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6697] <... mprotect resumed>) = 0 [pid 6695] <... futex resumed>) = 1 [pid 6693] <... futex resumed>) = 0 [pid 6691] <... futex resumed>) = 0 [pid 6698] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6697] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6695] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6691] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6697] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6693] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... futex resumed>) = ? [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6694] +++ killed by SIGBUS +++ [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6695] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6693] <... futex resumed>) = ? [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6699 attached [pid 6695] +++ killed by SIGBUS +++ [pid 6698] <... clone3 resumed> => {parent_tid=[6700]}, 88) = 6700 [pid 6698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6698] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6698] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6691] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 6700 attached [pid 6697] <... clone3 resumed> => {parent_tid=[6699]}, 88) = 6699 ./strace-static-x86_64: Process 6701 attached [pid 6699] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6697] rt_sigprocmask(SIG_SETMASK, [], [pid 6701] set_robust_list(0x55558704b6a0, 24 [pid 6697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6701] <... set_robust_list resumed>) = 0 [pid 6699] <... rseq resumed>) = 0 [pid 6697] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6691, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6701 [pid 6699] set_robust_list(0x7f39493479a0, 24 [pid 6697] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6699] <... set_robust_list resumed>) = 0 [pid 6697] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6699] rt_sigprocmask(SIG_SETMASK, [], [pid 6701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6700] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6693] +++ killed by SIGBUS +++ [pid 6701] <... prctl resumed>) = 0 [pid 6700] <... rseq resumed>) = 0 [pid 6701] setpgid(0, 0 [pid 6700] set_robust_list(0x7f39493479a0, 24 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6700] <... set_robust_list resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6693, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6701] <... setpgid resumed>) = 0 [pid 6699] memfd_create("syzkaller", 0 [pid 6700] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6699] <... memfd_create resumed>) = 3 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6701] <... openat resumed>) = 3 [pid 6700] memfd_create("syzkaller", 0 [pid 6699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6701] write(3, "1000", 4 [pid 6700] <... memfd_create resumed>) = 3 [pid 6699] <... mmap resumed>) = 0x7f3940e00000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6701] <... write resumed>) = 4 [pid 6700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6701] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6701] <... close resumed>) = 0 ./strace-static-x86_64: Process 6702 attached [pid 6702] set_robust_list(0x55558704b6a0, 24 [pid 6701] write(1, "executing program\n", 18executing program [pid 6700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6702 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6702] <... set_robust_list resumed>) = 0 [pid 6701] <... write resumed>) = 18 [pid 6700] <... write resumed>) = 1048576 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6701] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] munmap(0x7f3940e00000, 138412032 [pid 6702] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6703 attached [pid 6702] setpgid(0, 0 [pid 6701] <... futex resumed>) = 0 [pid 6700] <... munmap resumed>) = 0 [pid 6703] set_robust_list(0x55558704b6a0, 24 [pid 6702] <... setpgid resumed>) = 0 [pid 6701] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6703 [pid 6703] <... set_robust_list resumed>) = 0 [pid 6702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6701] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6702] <... openat resumed>) = 3 [pid 6701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6703] <... prctl resumed>) = 0 [pid 6702] write(3, "1000", 4 [pid 6701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6700] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6703] setpgid(0, 0 [pid 6702] <... write resumed>) = 4 [pid 6701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6700] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6703] <... setpgid resumed>) = 0 [pid 6702] close(3executing program ) = 0 [pid 6701] <... mmap resumed>) = 0x7f3949327000 [pid 6703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6702] write(1, "executing program\n", 18 [pid 6701] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6703] <... openat resumed>) = 3 [pid 6702] <... write resumed>) = 18 [pid 6700] close(3 [pid 6703] write(3, "1000", 4 [pid 6702] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... mprotect resumed>) = 0 [pid 6699] <... write resumed>) = 1048576 [pid 6703] <... write resumed>) = 4 [pid 6702] <... futex resumed>) = 0 [pid 6701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6700] <... close resumed>) = 0 [pid 6699] munmap(0x7f3940e00000, 138412032 [pid 6703] close(3) = 0 [pid 6702] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6700] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... munmap resumed>) = 0 [pid 6703] write(1, "executing program\n", 18 [pid 6702] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6700] <... futex resumed>) = 1 [pid 6699] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6698] <... futex resumed>) = 0 executing program [pid 6702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6700] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] <... write resumed>) = 18 [pid 6698] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6704 attached [pid 6702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6703] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] <... futex resumed>) = 0 [pid 6704] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6700] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6699] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6698] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] <... rseq resumed>) = 0 [pid 6703] <... futex resumed>) = 0 [pid 6702] <... mmap resumed>) = 0x7f3949327000 [pid 6701] <... clone3 resumed> => {parent_tid=[6704]}, 88) = 6704 [pid 6700] <... openat resumed>) = 3 [pid 6704] set_robust_list(0x7f39493479a0, 24 [pid 6703] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6702] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6701] rt_sigprocmask(SIG_SETMASK, [], [pid 6700] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] close(3 [pid 6704] <... set_robust_list resumed>) = 0 [pid 6703] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6702] <... mprotect resumed>) = 0 [pid 6701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6698] <... futex resumed>) = 0 [pid 6704] rt_sigprocmask(SIG_SETMASK, [], [pid 6703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6700] <... futex resumed>) = 1 [pid 6698] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6700] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6698] <... futex resumed>) = 0 [pid 6704] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6701] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... mmap resumed>) = 0x200000000000 [pid 6698] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] <... mmap resumed>) = 0x7f3949327000 [pid 6701] <... futex resumed>) = 0 [pid 6703] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6705 attached [pid 6704] memfd_create("syzkaller", 0 [pid 6701] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6700] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... close resumed>) = 0 [pid 6705] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6704] <... memfd_create resumed>) = 3 [pid 6703] <... mprotect resumed>) = 0 [pid 6702] <... clone3 resumed> => {parent_tid=[6705]}, 88) = 6705 [pid 6700] <... futex resumed>) = 1 [pid 6699] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = 0 [pid 6705] <... rseq resumed>) = 0 [pid 6704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6702] rt_sigprocmask(SIG_SETMASK, [], [pid 6700] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... futex resumed>) = 1 [pid 6698] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] <... futex resumed>) = 0 [pid 6705] set_robust_list(0x7f39493479a0, 24 [pid 6704] <... mmap resumed>) = 0x7f3940e00000 [pid 6703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6699] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] <... futex resumed>) = 0 [pid 6697] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... set_robust_list resumed>) = 0 [pid 6704] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6703] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6702] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6697] <... futex resumed>) = 0 [pid 6705] rt_sigprocmask(SIG_SETMASK, [], [pid 6699] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6697] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6699] <... openat resumed>) = 3 [pid 6705] memfd_create("syzkaller", 0 [pid 6699] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6697] <... futex resumed>) = 0 [pid 6702] <... futex resumed>) = 0 [pid 6697] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6697] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6705] <... memfd_create resumed>) = 3 [pid 6699] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6702] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6706 attached [pid 6705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6706] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6705] <... mmap resumed>) = 0x7f3940e00000 [pid 6699] <... mmap resumed>) = 0x200000000000 [pid 6706] <... rseq resumed>) = 0 [pid 6703] <... clone3 resumed> => {parent_tid=[6706]}, 88) = 6706 [pid 6698] <... futex resumed>) = ? [pid 6703] rt_sigprocmask(SIG_SETMASK, [], [pid 6700] +++ killed by SIGBUS +++ [pid 6698] +++ killed by SIGBUS +++ [pid 6703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6699] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... futex resumed>) = 1 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6698, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6703] <... futex resumed>) = 0 [pid 6699] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6703] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6706] set_robust_list(0x7f39493479a0, 24 [pid 6697] <... futex resumed>) = 0 [pid 6706] <... set_robust_list resumed>) = 0 [pid 6697] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] rt_sigprocmask(SIG_SETMASK, [], [pid 6699] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 1 [pid 6706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6699] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6697] read(0, [pid 6706] memfd_create("syzkaller", 0) = 3 [pid 6705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6704] <... write resumed>) = 1048576 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6699] +++ killed by SIGBUS +++ [pid 6704] munmap(0x7f3940e00000, 138412032 [pid 6697] +++ killed by SIGBUS +++ [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6697, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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./strace-static-x86_64: Process 6707 attached ) = 1048576 [pid 6705] <... write resumed>) = 1048576 [pid 6704] <... munmap resumed>) = 0 [pid 6707] set_robust_list(0x55558704b6a0, 24 [pid 6706] munmap(0x7f3940e00000, 138412032 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6707 [pid 6707] <... set_robust_list resumed>) = 0 [pid 6705] munmap(0x7f3940e00000, 138412032 [pid 6707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6706] <... munmap resumed>) = 0 [pid 6705] <... munmap resumed>) = 0 [pid 6707] <... prctl resumed>) = 0 [pid 6707] setpgid(0, 0) = 0 [pid 6707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6706] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6704] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6706] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6706] close(3 [pid 6705] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6704] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6707] <... openat resumed>) = 3 [pid 6705] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6704] close(3 [pid 6707] write(3, "1000", 4 [pid 6705] close(3 [pid 6706] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6706] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6703] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6706] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6707] <... write resumed>) = 4 [pid 6703] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6708 attached [pid 6707] close(3 [pid 6706] <... futex resumed>) = 0 [pid 6703] <... futex resumed>) = 1 [pid 6708] set_robust_list(0x55558704b6a0, 24 [pid 6707] <... close resumed>) = 0 [pid 6706] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6703] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 6707] write(1, "executing program\n", 18 [pid 6708] <... set_robust_list resumed>) = 0 [pid 6707] <... write resumed>) = 18 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6708 [pid 6707] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... openat resumed>) = 3 [pid 6708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6707] <... futex resumed>) = 0 [pid 6708] <... prctl resumed>) = 0 [pid 6706] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6707] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6707] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6704] <... close resumed>) = 0 [pid 6708] setpgid(0, 0 [pid 6706] <... futex resumed>) = 1 [pid 6703] <... futex resumed>) = 0 [pid 6703] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6708] <... setpgid resumed>) = 0 [pid 6704] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = 0 [pid 6703] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6707] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6706] <... mmap resumed>) = 0x200000000000 [pid 6705] <... close resumed>) = 0 [pid 6704] <... futex resumed>) = 1 [pid 6701] <... futex resumed>) = 0 [pid 6708] <... openat resumed>) = 3 [pid 6707] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6706] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6709 attached [pid 6708] write(3, "1000", 4 [pid 6706] <... futex resumed>) = 1 [pid 6705] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] <... futex resumed>) = 0 [pid 6701] <... futex resumed>) = 0 [pid 6709] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6708] <... write resumed>) = 4 [pid 6707] <... clone3 resumed> => {parent_tid=[6709]}, 88) = 6709 [pid 6706] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6705] <... futex resumed>) = 1 [pid 6704] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6703] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... futex resumed>) = 0 [pid 6701] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] <... rseq resumed>) = 0 [pid 6708] close(3 [pid 6707] rt_sigprocmask(SIG_SETMASK, [], [pid 6705] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] <... openat resumed>) = 3 [pid 6702] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = ? [pid 6709] set_robust_list(0x7f39493479a0, 24 [pid 6708] <... close resumed>) = 0 [pid 6707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... futex resumed>) = 0 [pid 6709] <... set_robust_list resumed>) = 0 [pid 6707] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6702] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6707] <... futex resumed>) = 0 [pid 6705] <... openat resumed>) = 3 [pid 6707] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6705] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... futex resumed>) = 0 [pid 6705] <... futex resumed>) = 1 [pid 6702] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6702] <... futex resumed>) = 0 [pid 6705] <... mmap resumed>) = 0x200000000000 [pid 6702] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] +++ killed by SIGBUS +++ [pid 6703] +++ killed by SIGBUS +++ executing program [pid 6709] rt_sigprocmask(SIG_SETMASK, [], [pid 6708] write(1, "executing program\n", 18 [pid 6704] <... futex resumed>) = 1 [pid 6701] <... futex resumed>) = 0 [pid 6709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6708] <... write resumed>) = 18 [pid 6704] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6703, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6709] memfd_create("syzkaller", 0 [pid 6705] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6708] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... futex resumed>) = 1 [pid 6704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6702] <... futex resumed>) = 0 [pid 6701] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] <... futex resumed>) = 0 [pid 6705] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6702] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] <... memfd_create resumed>) = 3 [pid 6708] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6705] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6702] <... futex resumed>) = 0 [pid 6709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6708] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6705] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6704] <... mmap resumed>) = 0x200000000000 [pid 6702] ???( [pid 6708] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6709] <... mmap resumed>) = 0x7f3940e00000 [pid 6708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6702] <... ??? resumed>) = ? [pid 6708] <... mmap resumed>) = 0x7f3949327000 [pid 6705] +++ killed by SIGBUS +++ [pid 6704] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6708] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6704] <... futex resumed>) = 1 [pid 6701] <... futex resumed>) = 0 [pid 6704] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] <... futex resumed>) = 0 [pid 6704] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6701] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6708] <... mprotect resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6702] +++ killed by SIGBUS +++ [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6702, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6708] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6704] +++ killed by SIGBUS +++ [pid 6701] +++ killed by SIGBUS +++ [pid 5829] <... restart_syscall resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6701, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6708] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6710 attached [pid 6710] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6708] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6710 ./strace-static-x86_64: Process 6711 attached [pid 6710] <... prctl resumed>) = 0 [pid 6708] <... clone3 resumed> => {parent_tid=[6711]}, 88) = 6711 [pid 6711] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6708] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6712 attached [pid 6711] <... rseq resumed>) = 0 [pid 6710] setpgid(0, 0 [pid 6708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6712] set_robust_list(0x55558704b6a0, 24 [pid 6711] set_robust_list(0x7f39493479a0, 24 [pid 6710] <... setpgid resumed>) = 0 [pid 6709] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6708] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6712 [pid 6712] <... set_robust_list resumed>) = 0 [pid 6711] <... set_robust_list resumed>) = 0 [pid 6710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6708] <... futex resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6711] rt_sigprocmask(SIG_SETMASK, [], [pid 6710] <... openat resumed>) = 3 [pid 6708] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6710] write(3, "1000", 4 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 6713 attached [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6711] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6710] <... write resumed>) = 4 [pid 6712] <... prctl resumed>) = 0 [pid 6710] close(3) = 0 [pid 6710] write(1, "executing program\n", 18 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6713 [pid 6710] <... write resumed>) = 18 [pid 6710] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6710] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6713] set_robust_list(0x55558704b6a0, 24 [pid 6712] setpgid(0, 0 [pid 6711] memfd_create("syzkaller", 0 [pid 6710] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6709] <... write resumed>) = 1048576 [pid 6713] <... set_robust_list resumed>) = 0 [pid 6712] <... setpgid resumed>) = 0 [pid 6710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6709] munmap(0x7f3940e00000, 138412032 [pid 6711] <... memfd_create resumed>) = 3 [pid 6713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6709] <... munmap resumed>) = 0 [pid 6710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6713] <... prctl resumed>) = 0 [pid 6711] <... mmap resumed>) = 0x7f3940e00000 [pid 6713] setpgid(0, 0 [pid 6712] <... openat resumed>) = 3 [pid 6711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6710] <... mmap resumed>) = 0x7f3949327000 [pid 6709] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6713] <... setpgid resumed>) = 0 [pid 6712] write(3, "1000", 4 [pid 6710] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6709] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6712] <... write resumed>) = 4 [pid 6710] <... mprotect resumed>) = 0 [pid 6709] close(3executing program [pid 6712] close(3) = 0 [pid 6710] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6713] <... openat resumed>) = 3 [pid 6713] write(3, "1000", 4) = 4 [pid 6713] close(3) = 0 [pid 6713] write(1, "executing program\n", 18) = 18 [pid 6713] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6711] <... write resumed>) = 1048576 [pid 6713] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6711] munmap(0x7f3940e00000, 138412032 [pid 6713] <... mmap resumed>) = 0x7f3949327000 [pid 6713] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6713] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6711] <... munmap resumed>) = 0 [pid 6711] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6712] write(1, "executing program\n", 18 [pid 6711] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6711] close(3 [pid 6712] <... write resumed>) = 18 [pid 6710] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6712] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6714 attached [pid 6713] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6712] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6710] <... clone3 resumed> => {parent_tid=[6714]}, 88) = 6714 [pid 6714] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6712] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6710] rt_sigprocmask(SIG_SETMASK, [], [pid 6714] <... rseq resumed>) = 0 [pid 6714] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6710] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6714] rt_sigprocmask(SIG_SETMASK, [], [pid 6710] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6710] <... futex resumed>) = 0 [pid 6712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6710] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6715 attached [pid 6714] memfd_create("syzkaller", 0 [pid 6713] <... clone3 resumed> => {parent_tid=[6715]}, 88) = 6715 [pid 6712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6715] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6713] rt_sigprocmask(SIG_SETMASK, [], [pid 6712] <... mmap resumed>) = 0x7f3949327000 [pid 6715] <... rseq resumed>) = 0 [pid 6714] <... memfd_create resumed>) = 3 [pid 6713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6712] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6715] set_robust_list(0x7f39493479a0, 24 [pid 6713] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... mprotect resumed>) = 0 [pid 6715] <... set_robust_list resumed>) = 0 [pid 6714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6713] <... futex resumed>) = 0 [pid 6712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6715] rt_sigprocmask(SIG_SETMASK, [], [pid 6714] <... mmap resumed>) = 0x7f3940e00000 [pid 6713] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6711] <... close resumed>) = 0 [pid 6709] <... close resumed>) = 0 [pid 6715] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6716 attached ) = 3 [pid 6712] <... clone3 resumed> => {parent_tid=[6716]}, 88) = 6716 [pid 6711] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6714] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6712] rt_sigprocmask(SIG_SETMASK, [], [pid 6711] <... futex resumed>) = 1 [pid 6709] <... futex resumed>) = 1 [pid 6708] <... futex resumed>) = 0 [pid 6707] <... futex resumed>) = 0 [pid 6716] <... rseq resumed>) = 0 [pid 6715] <... mmap resumed>) = 0x7f3940e00000 [pid 6712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6711] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6709] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6708] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] set_robust_list(0x7f39493479a0, 24 [pid 6712] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6708] <... futex resumed>) = 0 [pid 6707] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6711] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6709] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6708] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6707] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] <... set_robust_list resumed>) = 0 [pid 6712] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6711] <... openat resumed>) = 3 [pid 6709] <... openat resumed>) = 3 [pid 6716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6709] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6707] <... futex resumed>) = 0 [pid 6716] memfd_create("syzkaller", 0 [pid 6711] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6707] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] <... futex resumed>) = 1 [pid 6709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6708] <... futex resumed>) = 0 [pid 6707] <... futex resumed>) = 0 [pid 6716] <... memfd_create resumed>) = 3 [pid 6711] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6709] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6708] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6708] <... futex resumed>) = 0 [pid 6716] <... mmap resumed>) = 0x7f3940e00000 [pid 6711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6709] <... mmap resumed>) = 0x200000000000 [pid 6708] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6709] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6711] <... mmap resumed>) = 0x200000000000 [pid 6709] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6711] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6714] <... write resumed>) = 1048576 [pid 6711] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6708] <... futex resumed>) = 0 [pid 6707] <... futex resumed>) = 0 [pid 6714] munmap(0x7f3940e00000, 138412032 [pid 6708] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] <... futex resumed>) = 0 [pid 6707] <... futex resumed>) = 1 [pid 6708] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6707] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6714] <... munmap resumed>) = 0 [pid 6711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6711] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6709] <... futex resumed>) = 0 [pid 6714] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6709] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6708] <... futex resumed>) = ? [pid 6711] +++ killed by SIGBUS +++ [pid 6708] +++ killed by SIGBUS +++ [pid 6714] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6707] <... futex resumed>) = ? [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6708, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6714] close(3 [pid 6709] +++ killed by SIGBUS +++ [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6707] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6707, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=0} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6714] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6718 attached ./strace-static-x86_64: Process 6717 attached [pid 6716] <... write resumed>) = 1048576 [pid 6715] <... write resumed>) = 1048576 [pid 6714] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] set_robust_list(0x55558704b6a0, 24 [pid 6718] set_robust_list(0x55558704b6a0, 24 [pid 6717] <... set_robust_list resumed>) = 0 [pid 6715] munmap(0x7f3940e00000, 138412032 [pid 6717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6714] <... futex resumed>) = 1 [pid 6710] <... futex resumed>) = 0 [pid 6717] <... prctl resumed>) = 0 [pid 6714] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6710] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] setpgid(0, 0 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6710] <... futex resumed>) = 0 [pid 6718] <... set_robust_list resumed>) = 0 [pid 6717] <... setpgid resumed>) = 0 [pid 6716] munmap(0x7f3940e00000, 138412032 [pid 6715] <... munmap resumed>) = 0 [pid 6714] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6710] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6717 [pid 6714] <... openat resumed>) = 3 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6718 [pid 6718] <... prctl resumed>) = 0 [pid 6718] setpgid(0, 0 [pid 6717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6718] <... setpgid resumed>) = 0 [pid 6718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6716] <... munmap resumed>) = 0 [pid 6715] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6714] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] <... openat resumed>) = 3 [pid 6717] <... openat resumed>) = 3 [pid 6716] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6715] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6714] <... futex resumed>) = 1 [pid 6710] <... futex resumed>) = 0 [pid 6714] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6710] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] write(3, "1000", 4 [pid 6715] close(3 [pid 6710] <... futex resumed>) = 0 [pid 6718] <... write resumed>) = 4 [pid 6717] write(3, "1000", 4 [pid 6716] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6710] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6717] <... write resumed>) = 4 executing program [pid 6716] close(3 [pid 6714] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6718] close(3) = 0 [pid 6718] write(1, "executing program\n", 18) = 18 [pid 6718] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6718] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6718] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6718] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6717] close(3 [pid 6716] <... close resumed>) = 0 [pid 6715] <... close resumed>) = 0 [pid 6714] <... mmap resumed>) = 0x200000000000 [pid 6718] <... mmap resumed>) = 0x7f3949327000 [pid 6717] <... close resumed>) = 0 [pid 6716] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 6717] write(1, "executing program\n", 18 [pid 6716] <... futex resumed>) = 1 [pid 6715] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = 1 [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6710] <... futex resumed>) = 0 [pid 6718] <... mprotect resumed>) = 0 [pid 6717] <... write resumed>) = 18 [pid 6716] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6713] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6717] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6710] <... futex resumed>) = 0 [pid 6718] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6717] <... futex resumed>) = 0 [pid 6716] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6715] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6714] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6713] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6712] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] ???( [pid 6718] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6717] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6716] <... openat resumed>) = 3 [pid 6715] <... openat resumed>) = 3 [pid 6710] <... ??? resumed>) = ? [pid 6717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6716] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6719 attached [pid 6717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6719] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6716] <... futex resumed>) = 1 [pid 6715] <... futex resumed>) = 1 [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6718] <... clone3 resumed> => {parent_tid=[6719]}, 88) = 6719 [pid 6716] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6713] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] rt_sigprocmask(SIG_SETMASK, [], [pid 6717] <... mmap resumed>) = 0x7f3949327000 [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6719] <... rseq resumed>) = 0 [pid 6718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6717] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6716] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6715] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6713] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6712] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] set_robust_list(0x7f39493479a0, 24 [pid 6718] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... mprotect resumed>) = 0 [pid 6716] <... mmap resumed>) = 0x200000000000 [pid 6715] <... mmap resumed>) = 0x200000000000 [pid 6714] +++ killed by SIGBUS +++ [pid 6710] +++ killed by SIGBUS +++ [pid 6719] <... set_robust_list resumed>) = 0 [pid 6718] <... futex resumed>) = 0 [pid 6717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6719] rt_sigprocmask(SIG_SETMASK, [], [pid 6717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6719] memfd_create("syzkaller", 0 [pid 6718] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6716] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6710, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6720 attached [pid 6719] <... memfd_create resumed>) = 3 [pid 6716] <... futex resumed>) = 1 [pid 6715] <... futex resumed>) = 1 [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6720] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6717] <... clone3 resumed> => {parent_tid=[6720]}, 88) = 6720 [pid 6716] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6713] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... rseq resumed>) = 0 [pid 6719] <... mmap resumed>) = 0x7f3940e00000 [pid 6717] rt_sigprocmask(SIG_SETMASK, [], [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6720] set_robust_list(0x7f39493479a0, 24 [pid 6717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6716] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6715] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6713] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6712] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6720] <... set_robust_list resumed>) = 0 [pid 6717] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] rt_sigprocmask(SIG_SETMASK, [], [pid 6713] <... futex resumed>) = ? [pid 6712] <... futex resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6716] +++ killed by SIGBUS +++ [pid 6712] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6712, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6717] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6721 attached [pid 6720] memfd_create("syzkaller", 0 [pid 6719] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6717] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6715] +++ killed by SIGBUS +++ [pid 6713] +++ killed by SIGBUS +++ [pid 6721] set_robust_list(0x55558704b6a0, 24 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6720] <... memfd_create resumed>) = 3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6713, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6721 [pid 6721] <... set_robust_list resumed>) = 0 [pid 6721] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6722 attached ) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6721] setpgid(0, 0) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6722] set_robust_list(0x55558704b6a0, 24 [pid 6721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6723 attached [pid 6723] set_robust_list(0x55558704b6a0, 24 [pid 6722] <... set_robust_list resumed>) = 0 [pid 6721] <... openat resumed>) = 3 [pid 6720] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6719] <... write resumed>) = 1048576 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6722 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6723 [pid 6723] <... set_robust_list resumed>) = 0 [pid 6722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6721] write(3, "1000", 4 [pid 6719] munmap(0x7f3940e00000, 138412032 [pid 6722] <... prctl resumed>) = 0 [pid 6721] <... write resumed>) = 4 [pid 6721] close(3 [pid 6723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6722] setpgid(0, 0 [pid 6721] <... close resumed>) = 0 [pid 6723] setpgid(0, 0executing program [pid 6722] <... setpgid resumed>) = 0 [pid 6721] write(1, "executing program\n", 18 [pid 6719] <... munmap resumed>) = 0 [pid 6723] <... setpgid resumed>) = 0 [pid 6722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6721] <... write resumed>) = 18 [pid 6723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6721] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... openat resumed>) = 3 [pid 6721] <... futex resumed>) = 0 [pid 6723] <... openat resumed>) = 3 [pid 6721] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6722] write(3, "1000", 4 [pid 6721] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6719] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6722] <... write resumed>) = 4 [pid 6721] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6719] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6723] write(3, "1000", 4 [pid 6722] close(3 [pid 6721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6720] <... write resumed>) = 1048576 [pid 6721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6723] <... write resumed>) = 4 [pid 6722] <... close resumed>) = 0 [pid 6721] <... mmap resumed>) = 0x7f3949327000 [pid 6720] munmap(0x7f3940e00000, 138412032 [pid 6719] close(3 [pid 6723] close(3executing program [pid 6722] write(1, "executing program\n", 18 [pid 6721] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6720] <... munmap resumed>) = 0 [pid 6723] <... close resumed>) = 0 [pid 6722] <... write resumed>) = 18 [pid 6721] <... mprotect resumed>) = 0 [pid 6723] write(1, "executing program\n", 18executing program [pid 6721] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6723] <... write resumed>) = 18 [pid 6722] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6720] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6723] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 0 [pid 6721] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6720] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6724 attached [pid 6723] <... futex resumed>) = 0 [pid 6722] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6719] <... close resumed>) = 0 [pid 6724] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6723] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6722] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6721] <... clone3 resumed> => {parent_tid=[6724]}, 88) = 6724 [pid 6720] close(3 [pid 6719] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... rseq resumed>) = 0 [pid 6723] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6721] rt_sigprocmask(SIG_SETMASK, [], [pid 6720] <... close resumed>) = 0 [pid 6719] <... futex resumed>) = 1 [pid 6718] <... futex resumed>) = 0 [pid 6724] set_robust_list(0x7f39493479a0, 24 [pid 6723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6719] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... set_robust_list resumed>) = 0 [pid 6722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6721] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] <... futex resumed>) = 0 [pid 6724] rt_sigprocmask(SIG_SETMASK, [], [pid 6722] <... mmap resumed>) = 0x7f3949327000 [pid 6721] <... futex resumed>) = 0 [pid 6719] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6718] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6722] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6721] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6719] <... openat resumed>) = 3 [pid 6724] memfd_create("syzkaller", 0 [pid 6722] <... mprotect resumed>) = 0 [pid 6719] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... memfd_create resumed>) = 3 [pid 6723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6719] <... futex resumed>) = 1 [pid 6718] <... futex resumed>) = 0 [pid 6724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6722] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6723] <... mmap resumed>) = 0x7f3949327000 [pid 6718] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6719] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6723] <... mprotect resumed>) = 0 [pid 6724] <... mmap resumed>) = 0x7f3940e00000 [pid 6718] <... futex resumed>) = 0 [pid 6723] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6719] <... mmap resumed>) = 0x200000000000 [pid 6723] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6722] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6718] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6726 attached ./strace-static-x86_64: Process 6725 attached [pid 6723] <... clone3 resumed> => {parent_tid=[6725]}, 88) = 6725 [pid 6722] <... clone3 resumed> => {parent_tid=[6726]}, 88) = 6726 [pid 6720] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6725] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6723] rt_sigprocmask(SIG_SETMASK, [], [pid 6726] <... rseq resumed>) = 0 [pid 6725] <... rseq resumed>) = 0 [pid 6723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6722] rt_sigprocmask(SIG_SETMASK, [], [pid 6720] <... futex resumed>) = 1 [pid 6719] <... futex resumed>) = 1 [pid 6718] <... futex resumed>) = 0 [pid 6717] <... futex resumed>) = 0 [pid 6726] set_robust_list(0x7f39493479a0, 24 [pid 6725] set_robust_list(0x7f39493479a0, 24 [pid 6723] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6720] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6719] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... set_robust_list resumed>) = 0 [pid 6725] <... set_robust_list resumed>) = 0 [pid 6723] <... futex resumed>) = 0 [pid 6722] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] <... futex resumed>) = 0 [pid 6717] <... futex resumed>) = 0 [pid 6726] rt_sigprocmask(SIG_SETMASK, [], [pid 6725] rt_sigprocmask(SIG_SETMASK, [], [pid 6723] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6722] <... futex resumed>) = 0 [pid 6720] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6719] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6718] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6717] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6724] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6722] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6720] <... openat resumed>) = 3 [pid 6718] <... futex resumed>) = ? [pid 6726] memfd_create("syzkaller", 0 [pid 6725] memfd_create("syzkaller", 0 [pid 6720] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] +++ killed by SIGBUS +++ [pid 6725] <... memfd_create resumed>) = 3 [pid 6720] <... futex resumed>) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6726] <... memfd_create resumed>) = 3 [pid 6725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6720] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6717] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6725] <... mmap resumed>) = 0x7f3940e00000 [pid 6720] <... mmap resumed>) = 0x200000000000 [pid 6717] <... futex resumed>) = 0 [pid 6726] <... mmap resumed>) = 0x7f3940e00000 [pid 6718] +++ killed by SIGBUS +++ [pid 6717] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] <... write resumed>) = 1048576 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6718, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6724] munmap(0x7f3940e00000, 138412032 [pid 6720] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6720] <... futex resumed>) = 1 [pid 6717] <... futex resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6724] <... munmap resumed>) = 0 [pid 6717] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6724] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6717] <... futex resumed>) = ? [pid 6724] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6720] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6724] close(3 [pid 6717] +++ killed by SIGBUS +++ [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6717, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6727 attached [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6726] <... write resumed>) = 1048576 [pid 6725] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6724] <... close resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6727 [pid 6726] munmap(0x7f3940e00000, 138412032 [pid 6724] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6727] set_robust_list(0x55558704b6a0, 24 [pid 6726] <... munmap resumed>) = 0 [pid 6724] <... futex resumed>) = 1 [pid 6721] <... futex resumed>) = 0 [pid 6724] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] <... set_robust_list resumed>) = 0 [pid 6721] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6724] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6728 attached [pid 6721] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6724] <... openat resumed>) = 3 [pid 6728] set_robust_list(0x55558704b6a0, 24 [pid 6726] close(3 [pid 6727] <... prctl resumed>) = 0 [pid 6724] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... set_robust_list resumed>) = 0 [pid 6728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6724] <... futex resumed>) = 1 [pid 6721] <... futex resumed>) = 0 [pid 6727] setpgid(0, 0 [pid 6724] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... prctl resumed>) = 0 [pid 6721] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6728 [pid 6727] <... setpgid resumed>) = 0 [pid 6724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] setpgid(0, 0 [pid 6724] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6728] <... setpgid resumed>) = 0 [pid 6728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6728] write(3, "1000", 4 [pid 6724] <... mmap resumed>) = 0x200000000000 [pid 6728] <... write resumed>) = 4 [pid 6728] close(3executing program [pid 6727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6726] <... close resumed>) = 0 [pid 6725] <... write resumed>) = 1048576 [pid 6724] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... close resumed>) = 0 [pid 6724] <... futex resumed>) = 1 [pid 6721] <... futex resumed>) = 0 [pid 6721] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6721] <... futex resumed>) = 0 [pid 6721] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6727] <... openat resumed>) = 3 [pid 6725] munmap(0x7f3940e00000, 138412032 [pid 6727] write(3, "1000", 4 [pid 6728] write(1, "executing program\n", 18) = 18 [pid 6728] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6728] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6727] <... write resumed>) = 4 [pid 6725] <... munmap resumed>) = 0 [pid 6721] <... futex resumed>) = ? [pid 6727] close(3 [pid 6728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program [pid 6728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6727] <... close resumed>) = 0 [pid 6728] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6727] write(1, "executing program\n", 18 [pid 6728] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6727] <... write resumed>) = 18 [pid 6728] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6728] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6729 attached [pid 6727] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6728] <... clone3 resumed> => {parent_tid=[6729]}, 88) = 6729 [pid 6727] <... futex resumed>) = 0 [pid 6726] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... rseq resumed>) = 0 [pid 6728] rt_sigprocmask(SIG_SETMASK, [], [pid 6727] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6726] <... futex resumed>) = 1 [pid 6725] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6722] <... futex resumed>) = 0 [pid 6729] set_robust_list(0x7f39493479a0, 24 [pid 6728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6726] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6722] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... set_robust_list resumed>) = 0 [pid 6728] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] close(3 [pid 6722] <... futex resumed>) = 0 [pid 6729] rt_sigprocmask(SIG_SETMASK, [], [pid 6728] <... futex resumed>) = 0 [pid 6726] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6724] +++ killed by SIGBUS +++ [pid 6722] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6721] +++ killed by SIGBUS +++ [pid 6729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6728] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6726] <... openat resumed>) = 3 [pid 6729] memfd_create("syzkaller", 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6721, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6729] <... memfd_create resumed>) = 3 [pid 6727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6726] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6726] <... futex resumed>) = 1 [pid 6722] <... futex resumed>) = 0 [pid 6729] <... mmap resumed>) = 0x7f3940e00000 [pid 6727] <... mmap resumed>) = 0x7f3949327000 [pid 6726] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6727] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... close resumed>) = 0 [pid 6722] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6727] <... mprotect resumed>) = 0 [pid 6725] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... futex resumed>) = 0 [pid 6725] <... futex resumed>) = 1 [pid 6723] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6722] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6726] <... mmap resumed>) = 0x200000000000 [pid 6725] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6723] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6725] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6725] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6722] <... futex resumed>) = 0 [pid 6722] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6722] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6722] <... futex resumed>) = ? ./strace-static-x86_64: Process 6730 attached [pid 6727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6726] +++ killed by SIGBUS +++ [pid 6725] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6722] +++ killed by SIGBUS +++ [pid 6723] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6727] <... clone3 resumed> => {parent_tid=[6731]}, 88) = 6731 [pid 6725] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6723] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6730 [pid 6727] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6731 attached [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6722, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6731] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6725] <... mmap resumed>) = 0x200000000000 [pid 6723] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6727] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... rseq resumed>) = 0 [pid 6731] set_robust_list(0x7f39493479a0, 24 [pid 6727] <... futex resumed>) = 0 [pid 6731] <... set_robust_list resumed>) = 0 [pid 6731] rt_sigprocmask(SIG_SETMASK, [], [pid 6730] set_robust_list(0x55558704b6a0, 24 [pid 6727] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6725] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... set_robust_list resumed>) = 0 [pid 6725] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] <... restart_syscall resumed>) = 0 [pid 6723] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... prctl resumed>) = 0 [pid 6725] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6723] <... futex resumed>) = 0 [pid 6731] memfd_create("syzkaller", 0 [pid 6730] setpgid(0, 0 [pid 6731] <... memfd_create resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6730] <... setpgid resumed>) = 0 [pid 6729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6731] <... mmap resumed>) = 0x7f3940e00000 [pid 6730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6731] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6730] <... openat resumed>) = 3 [pid 6725] +++ killed by SIGBUS +++ [pid 6723] +++ killed by SIGBUS +++ [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6730] write(3, "1000", 4 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6723, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6732 attached [pid 6730] <... write resumed>) = 4 [pid 6729] <... write resumed>) = 1048576 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6730] close(3 [pid 6732] set_robust_list(0x55558704b6a0, 24 [pid 6730] <... close resumed>) = 0 [pid 6732] <... set_robust_list resumed>) = 0 [pid 6732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 6732] <... prctl resumed>) = 0 [pid 6730] write(1, "executing program\n", 18 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6732 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6732] setpgid(0, 0 [pid 6730] <... write resumed>) = 18 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6732] <... setpgid resumed>) = 0 [pid 6730] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6730] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6733 attached [pid 6732] <... openat resumed>) = 3 [pid 6731] <... write resumed>) = 1048576 [pid 6730] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6729] munmap(0x7f3940e00000, 138412032 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6733 [pid 6733] set_robust_list(0x55558704b6a0, 24 [pid 6730] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6733] <... set_robust_list resumed>) = 0 [pid 6732] write(3, "1000", 4 [pid 6730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6732] <... write resumed>) = 4 [pid 6731] munmap(0x7f3940e00000, 138412032 [pid 6730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6729] <... munmap resumed>) = 0 [pid 6733] <... prctl resumed>) = 0 [pid 6732] close(3 [pid 6731] <... munmap resumed>) = 0 [pid 6730] <... mmap resumed>) = 0x7f3949327000 [pid 6729] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6733] setpgid(0, 0 [pid 6732] <... close resumed>) = 0 [pid 6730] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6729] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6729] close(3 [pid 6733] <... setpgid resumed>) = 0 [pid 6732] write(1, "executing program\n", 18 [pid 6730] <... mprotect resumed>) = 0 [pid 6731] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6732] <... write resumed>) = 18 [pid 6731] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6731] close(3 [pid 6730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6733] <... openat resumed>) = 3 [pid 6732] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6732] <... futex resumed>) = 0 [pid 6732] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6732] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6734 attached NULL, 8) = 0 [pid 6734] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6733] write(3, "1000", 4 [pid 6732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6731] <... close resumed>) = 0 [pid 6729] <... close resumed>) = 0 [pid 6734] <... rseq resumed>) = 0 [pid 6733] <... write resumed>) = 4 [pid 6732] <... mmap resumed>) = 0x7f3949327000 [pid 6731] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... clone3 resumed> => {parent_tid=[6734]}, 88) = 6734 [pid 6729] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] set_robust_list(0x7f39493479a0, 24 [pid 6733] close(3 [pid 6732] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6731] <... futex resumed>) = 1 [pid 6730] rt_sigprocmask(SIG_SETMASK, [], [pid 6729] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6727] <... futex resumed>) = 0 [pid 6734] <... set_robust_list resumed>) = 0 [pid 6733] <... close resumed>) = 0 [pid 6732] <... mprotect resumed>) = 0 [pid 6731] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6729] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6727] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] write(1, "executing program\n", 18 [pid 6731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6728] <... futex resumed>) = 0 [pid 6727] <... futex resumed>) = 0 [pid 6732] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6731] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6729] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6728] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6727] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6734] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] <... write resumed>) = 18 [pid 6732] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6731] <... openat resumed>) = 3 [pid 6730] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... openat resumed>) = 3 [pid 6733] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6732] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6731] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6729] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] memfd_create("syzkaller", 0 [pid 6733] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6731] <... futex resumed>) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6733] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6735 attached [pid 6734] <... memfd_create resumed>) = 3 [pid 6733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6732] <... clone3 resumed> => {parent_tid=[6735]}, 88) = 6735 [pid 6731] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6729] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6727] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6732] rt_sigprocmask(SIG_SETMASK, [], [pid 6731] <... mmap resumed>) = 0x200000000000 [pid 6729] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6727] <... futex resumed>) = 0 [pid 6735] <... rseq resumed>) = 0 [pid 6734] <... mmap resumed>) = 0x7f3940e00000 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6731] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6728] <... futex resumed>) = 0 [pid 6727] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6735] set_robust_list(0x7f39493479a0, 24 [pid 6733] <... mmap resumed>) = 0x7f3949327000 [pid 6732] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... futex resumed>) = 0 [pid 6729] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6728] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] <... set_robust_list resumed>) = 0 [pid 6731] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] <... mmap resumed>) = 0x200000000000 [pid 6727] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] rt_sigprocmask(SIG_SETMASK, [], [pid 6731] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6727] <... futex resumed>) = 0 [pid 6735] memfd_create("syzkaller", 0 [pid 6731] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6727] memfd_create("syzkaller", 0 [pid 6735] <... memfd_create resumed>) = 3 [pid 6733] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6732] <... futex resumed>) = 0 [pid 6729] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6733] <... mprotect resumed>) = 0 [pid 6732] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6731] +++ killed by SIGBUS +++ [pid 6729] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6727] +++ killed by SIGBUS +++ [pid 6735] <... mmap resumed>) = 0x7f3940e00000 [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6729] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6727, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6728] <... futex resumed>) = 0 [pid 6728] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6729] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6728] <... futex resumed>) = ? ./strace-static-x86_64: Process 6736 attached [pid 6734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6729] +++ killed by SIGBUS +++ [pid 6728] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6736] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6735] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6733] <... clone3 resumed> => {parent_tid=[6736]}, 88) = 6736 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6736] <... rseq resumed>) = 0 [pid 6733] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6728, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6736] set_robust_list(0x7f39493479a0, 24 [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6733] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... set_robust_list resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6733] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6736] memfd_create("syzkaller", 0) = 3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6737 [pid 6736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6737 attached ) = 0x7f3940e00000 [pid 6735] <... write resumed>) = 1048576 [pid 6734] <... write resumed>) = 1048576 [pid 6735] munmap(0x7f3940e00000, 138412032) = 0 [pid 6737] set_robust_list(0x55558704b6a0, 24 [pid 6736] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6735] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6734] munmap(0x7f3940e00000, 138412032 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6737] <... set_robust_list resumed>) = 0 [pid 6734] <... munmap resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6735] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6735] close(3 [pid 6734] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6734] close(3./strace-static-x86_64: Process 6738 attached [pid 6737] <... prctl resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6738 [pid 6737] setpgid(0, 0) = 0 [pid 6737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6738] set_robust_list(0x55558704b6a0, 24 [pid 6737] <... openat resumed>) = 3 [pid 6738] <... set_robust_list resumed>) = 0 [pid 6735] <... close resumed>) = 0 [pid 6738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6734] <... close resumed>) = 0 [pid 6737] write(3, "1000", 4 [pid 6738] <... prctl resumed>) = 0 [pid 6738] setpgid(0, 0 [pid 6737] <... write resumed>) = 4 [pid 6738] <... setpgid resumed>) = 0 [pid 6737] close(3) = 0 [pid 6738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6737] write(1, "executing program\n", 18executing program [pid 6734] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] <... openat resumed>) = 3 [pid 6737] <... write resumed>) = 18 [pid 6736] <... write resumed>) = 1048576 [pid 6735] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] write(3, "1000", 4 [pid 6737] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] munmap(0x7f3940e00000, 138412032 [pid 6735] <... futex resumed>) = 1 [pid 6734] <... futex resumed>) = 1 [pid 6732] <... futex resumed>) = 0 [pid 6730] <... futex resumed>) = 0 [pid 6738] <... write resumed>) = 4 [pid 6737] <... futex resumed>) = 0 [pid 6736] <... munmap resumed>) = 0 [pid 6735] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6732] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] close(3 [pid 6737] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6736] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6732] <... futex resumed>) = 0 [pid 6730] <... futex resumed>) = 0 [pid 6738] <... close resumed>) = 0 [pid 6737] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6736] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6735] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6734] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6732] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] write(1, "executing program\n", 18executing program [pid 6737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6736] close(3 [pid 6735] <... openat resumed>) = 3 [pid 6738] <... write resumed>) = 18 [pid 6737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] <... close resumed>) = 0 [pid 6734] <... openat resumed>) = 3 [pid 6738] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6735] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6734] <... futex resumed>) = 1 [pid 6735] <... futex resumed>) = 1 [pid 6734] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6735] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6732] <... futex resumed>) = 0 [pid 6730] <... futex resumed>) = 0 [pid 6732] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... futex resumed>) = 0 [pid 6732] <... futex resumed>) = 1 [pid 6730] <... futex resumed>) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6735] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6732] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] <... mprotect resumed>) = 0 [pid 6737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6735] <... mmap resumed>) = 0x200000000000 [pid 6734] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6730] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] <... futex resumed>) = 0 [pid 6737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6734] <... mmap resumed>) = 0x200000000000 [pid 6738] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6739 attached [pid 6738] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6735] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6737] <... clone3 resumed> => {parent_tid=[6739]}, 88) = 6739 [pid 6735] <... futex resumed>) = 1 [pid 6732] <... futex resumed>) = 0 [pid 6739] <... rseq resumed>) = 0 [pid 6738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6737] rt_sigprocmask(SIG_SETMASK, [], [pid 6734] <... futex resumed>) = 1 [pid 6732] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... futex resumed>) = 0 [pid 6735] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6739] set_robust_list(0x7f39493479a0, 24 [pid 6738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6732] <... futex resumed>) = ? [pid 6730] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6738] <... mmap resumed>) = 0x7f3949327000 [pid 6737] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6738] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6737] <... futex resumed>) = 0 [pid 6736] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] <... mprotect resumed>) = 0 [pid 6737] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6738] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6740 attached [pid 6740] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6738] <... clone3 resumed> => {parent_tid=[6740]}, 88) = 6740 [pid 6740] <... rseq resumed>) = 0 [pid 6738] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] set_robust_list(0x7f39493479a0, 24 [pid 6739] rt_sigprocmask(SIG_SETMASK, [], [pid 6738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6736] <... futex resumed>) = 0 [pid 6735] +++ killed by SIGBUS +++ [pid 6734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 1 [pid 6732] +++ killed by SIGBUS +++ [pid 6730] <... futex resumed>) = 0 [pid 6740] <... set_robust_list resumed>) = 0 [pid 6739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6738] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6733] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6732, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6740] rt_sigprocmask(SIG_SETMASK, [], [pid 6739] memfd_create("syzkaller", 0 [pid 6738] <... futex resumed>) = 0 [pid 6736] <... openat resumed>) = 3 [pid 6734] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6738] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5827] <... restart_syscall resumed>) = 0 [pid 6740] memfd_create("syzkaller", 0 [pid 6739] <... memfd_create resumed>) = 3 [pid 6736] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... futex resumed>) = ? [pid 6740] <... memfd_create resumed>) = 3 [pid 6739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6736] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6736] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] <... mmap resumed>) = 0x7f3940e00000 [pid 6734] +++ killed by SIGBUS +++ [pid 6730] +++ killed by SIGBUS +++ [pid 6733] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6730, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6739] <... mmap resumed>) = 0x7f3940e00000 [pid 6736] <... futex resumed>) = 0 [pid 6733] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6736] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6736] <... mmap resumed>) = 0x200000000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6736] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6733] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6736] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] <... futex resumed>) = 0 [pid 6733] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5829] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6741 attached [pid 6733] <... futex resumed>) = ? [pid 6736] +++ killed by SIGBUS +++ [pid 6741] set_robust_list(0x55558704b6a0, 24 [pid 6740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6733] +++ killed by SIGBUS +++ [pid 6741] <... set_robust_list resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6733, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6741] <... prctl resumed>) = 0 [pid 6741] setpgid(0, 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6741] <... setpgid resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6742 attached [pid 6742] set_robust_list(0x55558704b6a0, 24 [pid 6741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6741 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6742] <... set_robust_list resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6742 [pid 6741] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6743 attached [pid 6741] write(3, "1000", 4 [pid 6742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6741] <... write resumed>) = 4 [pid 6743] set_robust_list(0x55558704b6a0, 24) = 0 executing program [pid 6743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6742] <... prctl resumed>) = 0 [pid 6741] close(3 [pid 6739] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6742] setpgid(0, 0 [pid 6741] <... close resumed>) = 0 [pid 6741] write(1, "executing program\n", 18) = 18 [pid 6741] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6741] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6741] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6741] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6742] <... setpgid resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6743 [pid 6741] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6741] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6744 attached [pid 6744] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6743] <... prctl resumed>) = 0 [pid 6742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6741] <... clone3 resumed> => {parent_tid=[6744]}, 88) = 6744 [pid 6740] <... write resumed>) = 1048576 [pid 6744] <... rseq resumed>) = 0 [pid 6743] setpgid(0, 0 [pid 6741] rt_sigprocmask(SIG_SETMASK, [], [pid 6744] set_robust_list(0x7f39493479a0, 24 [pid 6741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6740] munmap(0x7f3940e00000, 138412032 [pid 6743] <... setpgid resumed>) = 0 [pid 6742] <... openat resumed>) = 3 [pid 6744] <... set_robust_list resumed>) = 0 [pid 6741] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... munmap resumed>) = 0 [pid 6739] <... write resumed>) = 1048576 [pid 6744] rt_sigprocmask(SIG_SETMASK, [], [pid 6741] <... futex resumed>) = 0 [pid 6743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6739] munmap(0x7f3940e00000, 138412032 [pid 6742] write(3, "1000", 4 [pid 6744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6741] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6744] memfd_create("syzkaller", 0 [pid 6742] <... write resumed>) = 4 [pid 6740] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6744] <... memfd_create resumed>) = 3 [pid 6742] close(3 [pid 6740] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6739] <... munmap resumed>) = 0 [pid 6744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6743] <... openat resumed>) = 3 [pid 6742] <... close resumed>) = 0 [pid 6740] close(3 [pid 6739] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6742] write(1, "executing program\n", 18 [pid 6744] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576executing program [pid 6743] write(3, "1000", 4 [pid 6740] <... close resumed>) = 0 [pid 6739] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6743] <... write resumed>) = 4 [pid 6742] <... write resumed>) = 18 [pid 6743] close(3 [pid 6744] <... write resumed>) = 1048576 [pid 6742] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] close(3 [pid 6743] <... close resumed>) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6743] write(1, "executing program\n", 18executing program [pid 6744] munmap(0x7f3940e00000, 138412032 [pid 6743] <... write resumed>) = 18 [pid 6742] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6740] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] <... futex resumed>) = 0 [pid 6744] <... munmap resumed>) = 0 [pid 6743] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6743] <... futex resumed>) = 0 [pid 6742] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6738] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6743] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6740] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = 1 [pid 6743] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6742] <... mmap resumed>) = 0x7f3949327000 [pid 6740] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6738] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6744] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6742] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6740] <... openat resumed>) = 3 [pid 6744] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6742] <... mprotect resumed>) = 0 [pid 6743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6739] <... close resumed>) = 0 [pid 6739] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] close(3 [pid 6743] <... mmap resumed>) = 0x7f3949327000 [pid 6742] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6740] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] <... futex resumed>) = 0 [pid 6742] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6739] <... futex resumed>) = 1 [pid 6737] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6740] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6737] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6745 attached [pid 6743] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6739] <... openat resumed>) = 3 [pid 6738] <... futex resumed>) = 0 [pid 6737] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6743] <... mprotect resumed>) = 0 [pid 6738] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... rseq resumed>) = 0 [pid 6745] set_robust_list(0x7f39493479a0, 24 [pid 6738] <... futex resumed>) = 1 [pid 6745] <... set_robust_list resumed>) = 0 [pid 6742] <... clone3 resumed> => {parent_tid=[6745]}, 88) = 6745 [pid 6740] <... futex resumed>) = 0 [pid 6739] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] rt_sigprocmask(SIG_SETMASK, [], [pid 6742] rt_sigprocmask(SIG_SETMASK, [], [pid 6740] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6739] <... futex resumed>) = 1 [pid 6737] <... futex resumed>) = 0 [pid 6742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6740] <... mmap resumed>) = 0x200000000000 [pid 6739] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] <... futex resumed>) = 0 [pid 6742] <... futex resumed>) = 0 [pid 6739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6737] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6742] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6740] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6740] <... futex resumed>) = 0 [pid 6739] <... mmap resumed>) = 0x200000000000 [pid 6740] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6744] <... close resumed>) = 0 [pid 6743] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6739] <... futex resumed>) = 1 [pid 6737] <... futex resumed>) = 0 [pid 6745] memfd_create("syzkaller", 0 [pid 6743] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6739] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... memfd_create resumed>) = 3 [pid 6743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6740] <... futex resumed>) = 0 [pid 6744] <... futex resumed>) = 1 [pid 6741] <... futex resumed>) = 0 [pid 6739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = 1 [pid 6737] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6746 attached [pid 6745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6744] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6741] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6739] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6738] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6745] <... mmap resumed>) = 0x7f3940e00000 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6743] <... clone3 resumed> => {parent_tid=[6746]}, 88) = 6746 [pid 6741] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = ? [pid 6737] <... futex resumed>) = ? [pid 6744] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6743] rt_sigprocmask(SIG_SETMASK, [], [pid 6741] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] +++ killed by SIGBUS +++ [pid 6738] +++ killed by SIGBUS +++ [pid 6746] <... rseq resumed>) = 0 [pid 6744] <... openat resumed>) = 3 [pid 6743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6739] +++ killed by SIGBUS +++ [pid 6737] +++ killed by SIGBUS +++ [pid 6746] set_robust_list(0x7f39493479a0, 24 [pid 6744] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... set_robust_list resumed>) = 0 [pid 6744] <... futex resumed>) = 1 [pid 6743] <... futex resumed>) = 0 [pid 6741] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6738, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6737, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6746] rt_sigprocmask(SIG_SETMASK, [], [pid 6744] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6741] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6741] <... futex resumed>) = 0 [pid 6741] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] memfd_create("syzkaller", 0 [pid 6745] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6744] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6746] <... memfd_create resumed>) = 3 [pid 6745] <... write resumed>) = 1048576 [pid 6744] <... mmap resumed>) = 0x200000000000 [pid 6746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6745] munmap(0x7f3940e00000, 138412032 [pid 6746] <... mmap resumed>) = 0x7f3940e00000 [pid 6745] <... munmap resumed>) = 0 [pid 6744] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6746] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6744] <... futex resumed>) = 1 [pid 6741] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6745] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6744] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6741] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6741] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6741] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6745] close(3./strace-static-x86_64: Process 6747 attached [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6747 [pid 6747] set_robust_list(0x55558704b6a0, 24 [pid 6746] <... write resumed>) = 1048576 [pid 6745] <... close resumed>) = 0 [pid 6747] <... set_robust_list resumed>) = 0 [pid 6747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6746] munmap(0x7f3940e00000, 138412032 [pid 6744] +++ killed by SIGBUS +++ [pid 6741] <... futex resumed>) = ? [pid 6747] <... prctl resumed>) = 0 [pid 6747] setpgid(0, 0 [pid 6746] <... munmap resumed>) = 0 [pid 6741] +++ killed by SIGBUS +++ [pid 6747] <... setpgid resumed>) = 0 [pid 6746] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6748 attached [pid 6747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6746] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6745] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6748 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6741, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6748] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6748] setpgid(0, 0) = 0 [pid 6747] <... openat resumed>) = 3 [pid 6745] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6747] write(3, "1000", 4 [pid 6745] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6747] <... write resumed>) = 4 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6749 attached [pid 6748] <... openat resumed>) = 3 [pid 6747] close(3 [pid 6745] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6742] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... close resumed>) = 0 [pid 6745] <... openat resumed>) = 3 executing program [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6749 [pid 6749] set_robust_list(0x55558704b6a0, 24 [pid 6748] write(3, "1000", 4 [pid 6747] write(1, "executing program\n", 18 [pid 6746] <... close resumed>) = 0 [pid 6745] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... set_robust_list resumed>) = 0 [pid 6748] <... write resumed>) = 4 [pid 6747] <... write resumed>) = 18 [pid 6746] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6748] close(3 [pid 6742] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6748] <... close resumed>) = 0 [pid 6742] <... futex resumed>) = 0 [pid 6748] write(1, "executing program\n", 18 [pid 6742] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6748] <... write resumed>) = 18 [pid 6748] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6748] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6748] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6748] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6748] <... mprotect resumed>) = 0 [pid 6747] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... futex resumed>) = 1 [pid 6745] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6743] <... futex resumed>) = 0 [pid 6749] <... prctl resumed>) = 0 [pid 6747] <... futex resumed>) = 0 [pid 6746] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] setpgid(0, 0 [pid 6748] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6747] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6745] <... mmap resumed>) = 0x200000000000 [pid 6743] <... futex resumed>) = 0 [pid 6749] <... setpgid resumed>) = 0 [pid 6748] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6747] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6746] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6745] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6748] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6750 attached [pid 6749] <... openat resumed>) = 3 [pid 6747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6746] <... openat resumed>) = 3 [pid 6745] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6750] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6749] write(3, "1000", 4 [pid 6747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6742] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... rseq resumed>) = 0 [pid 6749] <... write resumed>) = 4 [pid 6748] <... clone3 resumed> => {parent_tid=[6750]}, 88) = 6750 [pid 6747] <... mmap resumed>) = 0x7f3949327000 [pid 6746] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6742] <... futex resumed>) = 0 [pid 6742] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6750] set_robust_list(0x7f39493479a0, 24 [pid 6749] close(3 [pid 6748] rt_sigprocmask(SIG_SETMASK, [], [pid 6746] <... futex resumed>) = 1 [pid 6743] <... futex resumed>) = 0 [pid 6750] <... set_robust_list resumed>) = 0 [pid 6749] <... close resumed>) = 0 [pid 6748] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6747] <... mprotect resumed>) = 0 [pid 6746] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] <... futex resumed>) = ? [pid 6750] rt_sigprocmask(SIG_SETMASK, [], [pid 6749] write(1, "executing program\n", 18 [pid 6748] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6745] +++ killed by SIGBUS +++ [pid 6743] <... futex resumed>) = 0 [pid 6750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6749] <... write resumed>) = 18 [pid 6748] <... futex resumed>) = 0 [pid 6746] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6743] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] memfd_create("syzkaller", 0 [pid 6749] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6747] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6750] <... memfd_create resumed>) = 3 [pid 6749] <... futex resumed>) = 0 [pid 6746] <... mmap resumed>) = 0x200000000000 [pid 6749] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6750] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6749] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6746] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6750] <... mmap resumed>) = 0x7f3940e00000 [pid 6749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6746] <... futex resumed>) = 1 [pid 6743] <... futex resumed>) = 0 [pid 6749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6747] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6743] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... mmap resumed>) = 0x7f3949327000 [pid 6743] <... futex resumed>) = 0 [pid 6746] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6743] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6743] <... futex resumed>) = ? [pid 6749] <... mprotect resumed>) = 0 [pid 6747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} => {parent_tid=[6751]}, 88) = 6751 [pid 6747] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6747] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6747] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6751 attached [pid 6746] +++ killed by SIGBUS +++ [pid 6743] +++ killed by SIGBUS +++ [pid 6749] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6751] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6750] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6742] +++ killed by SIGBUS +++ [pid 6749] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6743, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6751] <... rseq resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6742, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5826] <... restart_syscall resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6752 attached [pid 6751] set_robust_list(0x7f39493479a0, 24 [pid 6750] <... write resumed>) = 1048576 [pid 6752] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6751] <... set_robust_list resumed>) = 0 [pid 6749] <... clone3 resumed> => {parent_tid=[6752]}, 88) = 6752 [pid 6752] <... rseq resumed>) = 0 [pid 6751] rt_sigprocmask(SIG_SETMASK, [], [pid 6750] munmap(0x7f3940e00000, 138412032 [pid 6749] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6752] set_robust_list(0x7f39493479a0, 24 [pid 6751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6752] <... set_robust_list resumed>) = 0 [pid 6751] memfd_create("syzkaller", 0 [pid 6750] <... munmap resumed>) = 0 [pid 6749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6752] rt_sigprocmask(SIG_SETMASK, [], [pid 6751] <... memfd_create resumed>) = 3 [pid 6749] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6749] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6753 attached [pid 6753] set_robust_list(0x55558704b6a0, 24 [pid 6752] memfd_create("syzkaller", 0 [pid 6751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6749] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6753] <... set_robust_list resumed>) = 0 [pid 6751] <... mmap resumed>) = 0x7f3940e00000 [pid 6753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6752] <... memfd_create resumed>) = 3 [pid 6750] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6753 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6753] <... prctl resumed>) = 0 [pid 6753] setpgid(0, 0) = 0 [pid 6753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6754 attached [pid 6752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6751] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6750] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6754] set_robust_list(0x55558704b6a0, 24 [pid 6752] <... mmap resumed>) = 0x7f3940e00000 [pid 6753] write(3, "1000", 4) = 4 [pid 6753] close(3) = 0 [pid 6753] write(1, "executing program\n", 18) = 18 [pid 6753] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 6754] <... set_robust_list resumed>) = 0 [pid 6753] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6752] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6751] <... write resumed>) = 1048576 [pid 6750] close(3 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6754 [pid 6751] munmap(0x7f3940e00000, 138412032 [pid 6754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6753] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6752] <... write resumed>) = 1048576 [pid 6751] <... munmap resumed>) = 0 [pid 6751] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6754] <... prctl resumed>) = 0 [pid 6753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6752] munmap(0x7f3940e00000, 138412032 [pid 6750] <... close resumed>) = 0 [pid 6754] setpgid(0, 0 [pid 6751] close(3 [pid 6753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6750] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6748] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6748] <... futex resumed>) = 0 [pid 6750] <... openat resumed>) = 3 [pid 6748] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... setpgid resumed>) = 0 [pid 6753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6752] <... munmap resumed>) = 0 [pid 6751] <... close resumed>) = 0 [pid 6753] <... mmap resumed>) = 0x7f3949327000 [pid 6752] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6750] <... futex resumed>) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6753] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6751] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6754] <... openat resumed>) = 3 [pid 6753] <... mprotect resumed>) = 0 [pid 6752] close(3 [pid 6751] <... futex resumed>) = 1 [pid 6750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] <... futex resumed>) = 0 [pid 6747] <... futex resumed>) = 0 [pid 6754] write(3, "1000", 4 [pid 6753] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6751] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6750] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6748] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6747] <... futex resumed>) = 0 [pid 6754] <... write resumed>) = 4 [pid 6753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6751] <... openat resumed>) = 3 [pid 6750] <... mmap resumed>) = 0x200000000000 [pid 6747] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6754] close(3executing program ) = 0 [pid 6751] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6754] write(1, "executing program\n", 18 [pid 6751] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] <... write resumed>) = 18 [pid 6753] <... clone3 resumed> => {parent_tid=[6755]}, 88) = 6755 [pid 6754] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] rt_sigprocmask(SIG_SETMASK, [], [pid 6754] <... futex resumed>) = 0 [pid 6753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6754] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6753] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6753] <... futex resumed>) = 0 [pid 6754] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6753] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6754] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6755 attached [pid 6752] <... close resumed>) = 0 [pid 6750] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6755] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6754] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6752] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... futex resumed>) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6747] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... rseq resumed>) = 0 [pid 6754] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6752] <... futex resumed>) = 1 [pid 6750] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] <... futex resumed>) = 0 [pid 6749] <... futex resumed>) = 0 [pid 6748] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 1 [pid 6755] set_robust_list(0x7f39493479a0, 24 [pid 6754] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6752] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6749] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] <... futex resumed>) = 0 [pid 6747] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6756 attached [pid 6755] <... set_robust_list resumed>) = 0 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] <... mmap resumed>) = 0x200000000000 [pid 6750] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6749] <... futex resumed>) = 0 [pid 6748] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6756] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6754] <... clone3 resumed> => {parent_tid=[6756]}, 88) = 6756 [pid 6752] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6749] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6754] rt_sigprocmask(SIG_SETMASK, [], [pid 6748] <... futex resumed>) = ? [pid 6752] <... openat resumed>) = 3 [pid 6756] <... rseq resumed>) = 0 [pid 6751] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] set_robust_list(0x7f39493479a0, 24 [pid 6755] rt_sigprocmask(SIG_SETMASK, [], [pid 6754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6752] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] +++ killed by SIGBUS +++ [pid 6748] +++ killed by SIGBUS +++ [pid 6754] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... futex resumed>) = 1 [pid 6749] <... futex resumed>) = 0 [pid 6756] <... set_robust_list resumed>) = 0 [pid 6756] rt_sigprocmask(SIG_SETMASK, [], [pid 6755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6754] <... futex resumed>) = 0 [pid 6752] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] <... futex resumed>) = 1 [pid 6749] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6748, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6754] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6749] <... futex resumed>) = 0 [pid 6755] memfd_create("syzkaller", 0 [pid 6752] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6749] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6756] memfd_create("syzkaller", 0 [pid 6752] <... mmap resumed>) = 0x200000000000 [pid 6747] <... futex resumed>) = 0 [pid 6756] <... memfd_create resumed>) = 3 [pid 6747] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6751] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6752] <... futex resumed>) = 1 [pid 6749] <... futex resumed>) = 0 [pid 6756] <... mmap resumed>) = 0x7f3940e00000 [pid 6749] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6749] <... futex resumed>) = 0 [pid 6749] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6756] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6755] <... memfd_create resumed>) = 3 [pid 6747] <... futex resumed>) = ? [pid 5832] <... restart_syscall resumed>) = 0 [pid 6755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6752] +++ killed by SIGBUS +++ [pid 6751] +++ killed by SIGBUS +++ [pid 6749] +++ killed by SIGBUS +++ [pid 6755] <... mmap resumed>) = 0x7f3940e00000 [pid 6747] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6749, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6747, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6757 attached [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6757] set_robust_list(0x55558704b6a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6757 ./strace-static-x86_64: Process 6758 attached [pid 6757] <... set_robust_list resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6758 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6758] set_robust_list(0x55558704b6a0, 24 [pid 6757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6758] <... set_robust_list resumed>) = 0 [pid 6758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6757] <... prctl resumed>) = 0 [pid 6757] setpgid(0, 0 [pid 6758] <... prctl resumed>) = 0 [pid 6757] <... setpgid resumed>) = 0 [pid 6758] setpgid(0, 0 [pid 6757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6758] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6759 attached [pid 6758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6757] <... openat resumed>) = 3 [pid 6756] <... write resumed>) = 1048576 [pid 6755] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6759 [pid 6759] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6758] <... openat resumed>) = 3 [pid 6757] write(3, "1000", 4 [pid 6759] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program executing program [pid 6756] munmap(0x7f3940e00000, 138412032 [pid 6758] write(3, "1000", 4 [pid 6757] <... write resumed>) = 4 [pid 6758] <... write resumed>) = 4 [pid 6757] close(3 [pid 6758] close(3 [pid 6757] <... close resumed>) = 0 [pid 6758] <... close resumed>) = 0 [pid 6757] write(1, "executing program\n", 18 [pid 6758] write(1, "executing program\n", 18 [pid 6757] <... write resumed>) = 18 [pid 6756] <... munmap resumed>) = 0 [pid 6758] <... write resumed>) = 18 [pid 6757] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... prctl resumed>) = 0 [pid 6757] <... futex resumed>) = 0 [pid 6756] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6755] <... write resumed>) = 1048576 [pid 6759] setpgid(0, 0 [pid 6758] <... futex resumed>) = 0 [pid 6757] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6759] <... setpgid resumed>) = 0 [pid 6758] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6757] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6756] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6755] munmap(0x7f3940e00000, 138412032 [pid 6759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6758] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6757] <... mmap resumed>) = 0x7f3949327000 [pid 6758] <... mmap resumed>) = 0x7f3949327000 [pid 6757] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6759] <... openat resumed>) = 3 [pid 6758] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6756] close(3 [pid 6755] <... munmap resumed>) = 0 [pid 6759] write(3, "1000", 4 [pid 6758] <... mprotect resumed>) = 0 [pid 6757] <... mprotect resumed>) = 0 [pid 6758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6757] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6760 attached [pid 6757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6760] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6759] <... write resumed>) = 4 ./strace-static-x86_64: Process 6761 attached [pid 6761] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6760] <... rseq resumed>) = 0 [pid 6759] close(3 [pid 6758] <... clone3 resumed> => {parent_tid=[6760]}, 88) = 6760 [pid 6760] set_robust_list(0x7f39493479a0, 24 [pid 6758] rt_sigprocmask(SIG_SETMASK, [], [pid 6757] <... clone3 resumed> => {parent_tid=[6761]}, 88) = 6761 [pid 6760] <... set_robust_list resumed>) = 0 [pid 6758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6757] rt_sigprocmask(SIG_SETMASK, [], [pid 6760] rt_sigprocmask(SIG_SETMASK, [], [pid 6758] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6758] <... futex resumed>) = 0 [pid 6757] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] memfd_create("syzkaller", 0 [pid 6758] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6761] <... rseq resumed>) = 0 executing program [pid 6759] <... close resumed>) = 0 [pid 6755] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6761] set_robust_list(0x7f39493479a0, 24 [pid 6759] write(1, "executing program\n", 18 [pid 6761] <... set_robust_list resumed>) = 0 [pid 6760] <... memfd_create resumed>) = 3 [pid 6759] <... write resumed>) = 18 [pid 6757] <... futex resumed>) = 0 [pid 6755] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6761] rt_sigprocmask(SIG_SETMASK, [], [pid 6760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6757] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6760] <... mmap resumed>) = 0x7f3940e00000 [pid 6759] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] close(3 [pid 6761] memfd_create("syzkaller", 0) = 3 [pid 6759] <... futex resumed>) = 0 [pid 6761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6759] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6761] <... mmap resumed>) = 0x7f3940e00000 [pid 6759] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6760] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6759] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6756] <... close resumed>) = 0 [pid 6755] <... close resumed>) = 0 [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6756] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6755] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... mmap resumed>) = 0x7f3949327000 [pid 6755] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = 1 [pid 6759] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6755] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = 0 [pid 6754] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... mprotect resumed>) = 0 [pid 6755] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = 1 [pid 6755] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 6755] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... futex resumed>) = 0 [pid 6755] <... futex resumed>) = 0 [pid 6753] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6753] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6755] <... futex resumed>) = 0 [pid 6754] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... futex resumed>) = 1 [pid 6759] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6756] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6755] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6759] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6756] <... openat resumed>) = 3 [pid 6755] <... mmap resumed>) = 0x200000000000 [pid 6756] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6754] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6762 attached [pid 6759] <... clone3 resumed> => {parent_tid=[6762]}, 88) = 6762 [pid 6756] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6754] <... futex resumed>) = 0 [pid 6762] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6759] rt_sigprocmask(SIG_SETMASK, [], [pid 6754] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... rseq resumed>) = 0 [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] set_robust_list(0x7f39493479a0, 24 [pid 6756] <... mmap resumed>) = 0x200000000000 [pid 6755] <... futex resumed>) = 0 [pid 6759] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6762] <... set_robust_list resumed>) = 0 [pid 6759] <... futex resumed>) = 0 [pid 6756] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6753] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] rt_sigprocmask(SIG_SETMASK, [], [pid 6759] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6753] <... futex resumed>) = 0 [pid 6762] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6756] <... futex resumed>) = 1 [pid 6755] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6754] <... futex resumed>) = 0 [pid 6753] read(0, [pid 6754] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] memfd_create("syzkaller", 0 [pid 6761] <... write resumed>) = 1048576 [pid 6756] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6754] <... futex resumed>) = 0 [pid 6754] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6755] +++ killed by SIGBUS +++ [pid 6753] +++ killed by SIGBUS +++ [pid 6762] <... memfd_create resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6753, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6761] munmap(0x7f3940e00000, 138412032 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6760] <... write resumed>) = 1048576 [pid 6756] +++ killed by SIGBUS +++ [pid 6754] +++ killed by SIGBUS +++ [pid 6762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6754, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6761] <... munmap resumed>) = 0 [pid 6760] munmap(0x7f3940e00000, 138412032 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6761] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] <... restart_syscall resumed>) = 0 [pid 6761] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6760] <... munmap resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6761] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6763 attached [pid 6763] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6762] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6761] <... close resumed>) = 0 [pid 6760] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6761] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6763 [pid 6763] <... prctl resumed>) = 0 [pid 6761] <... futex resumed>) = 1 [pid 6763] setpgid(0, 0 [pid 6761] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6760] close(3 [pid 6763] <... setpgid resumed>) = 0 [pid 6760] <... close resumed>) = 0 [pid 6757] <... futex resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6757] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6763] <... openat resumed>) = 3 [pid 6763] write(3, "1000", 4) = 4 [pid 6763] close(3) = 0 [pid 6763] write(1, "executing program\n", 18) = 18 [pid 6763] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... futex resumed>) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6763] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6764 attached [pid 6763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6757] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6764 [pid 6763] <... mmap resumed>) = 0x7f3949327000 [pid 6764] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6763] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6763] <... mprotect resumed>) = 0 [pid 6763] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6764] <... prctl resumed>) = 0 [pid 6763] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6761] <... futex resumed>) = 0 [pid 6763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6761] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000./strace-static-x86_64: Process 6765 attached ) = 3 [pid 6763] <... clone3 resumed> => {parent_tid=[6765]}, 88) = 6765 [pid 6761] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6763] rt_sigprocmask(SIG_SETMASK, [], [pid 6761] <... futex resumed>) = 1 [pid 6757] <... futex resumed>) = 0 [pid 6763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6761] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] <... rseq resumed>) = 0 [pid 6763] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] set_robust_list(0x7f39493479a0, 24 [pid 6763] <... futex resumed>) = 0 [pid 6765] <... set_robust_list resumed>) = 0 [pid 6763] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6760] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] rt_sigprocmask(SIG_SETMASK, [], [pid 6764] setpgid(0, 0 [pid 6760] <... futex resumed>) = 1 [pid 6757] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6764] <... setpgid resumed>) = 0 [pid 6761] <... futex resumed>) = 0 [pid 6760] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... futex resumed>) = 0 [pid 6757] <... futex resumed>) = 1 [pid 6765] memfd_create("syzkaller", 0 [pid 6764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6761] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6758] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] <... memfd_create resumed>) = 3 [pid 6760] <... futex resumed>) = 0 [pid 6758] <... futex resumed>) = 1 [pid 6765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6764] <... openat resumed>) = 3 [pid 6760] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6765] <... mmap resumed>) = 0x7f3940e00000 [pid 6760] <... openat resumed>) = 3 [pid 6764] write(3, "1000", 4 [pid 6762] <... write resumed>) = 1048576 [pid 6761] <... mmap resumed>) = 0x200000000000 [pid 6760] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... write resumed>) = 4 [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6764] close(3 [pid 6762] munmap(0x7f3940e00000, 138412032 [pid 6761] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... futex resumed>) = 0 [pid 6758] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6764] <... close resumed>) = 0 [pid 6762] <... munmap resumed>) = 0 [pid 6761] <... futex resumed>) = 1 [pid 6760] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6758] <... futex resumed>) = 0 [pid 6757] <... futex resumed>) = 0 [pid 6764] write(1, "executing program\n", 18 [pid 6758] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... write resumed>) = 18 [pid 6761] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6760] <... mmap resumed>) = 0x200000000000 [pid 6757] <... futex resumed>) = 0 [pid 6764] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6764] <... futex resumed>) = 0 [pid 6762] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6761] +++ killed by SIGBUS +++ [pid 6760] <... futex resumed>) = 1 [pid 6758] <... futex resumed>) = 0 [pid 6764] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6760] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6758] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] +++ killed by SIGBUS +++ [pid 6764] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6762] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6758] <... futex resumed>) = ? [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6757, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6764] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6762] close(3 [pid 6764] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6764] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6765] <... write resumed>) = 1048576 [pid 6762] <... close resumed>) = 0 [pid 6760] +++ killed by SIGBUS +++ [pid 6758] +++ killed by SIGBUS +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 6764] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6762] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] munmap(0x7f3940e00000, 138412032 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6758, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- ./strace-static-x86_64: Process 6766 attached [pid 6762] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6764] <... clone3 resumed> => {parent_tid=[6766]}, 88) = 6766 [pid 6762] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6766] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6765] <... munmap resumed>) = 0 [pid 6764] rt_sigprocmask(SIG_SETMASK, [], [pid 6762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6766] <... rseq resumed>) = 0 [pid 6764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6762] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6759] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6765] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6767 attached [pid 6766] set_robust_list(0x7f39493479a0, 24 [pid 6765] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6764] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... openat resumed>) = 3 [pid 6766] <... set_robust_list resumed>) = 0 [pid 6766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6765] close(3 [pid 6767] set_robust_list(0x55558704b6a0, 24 [pid 6764] <... futex resumed>) = 0 [pid 6762] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6767 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6767] <... set_robust_list resumed>) = 0 [pid 6764] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6762] <... futex resumed>) = 1 [pid 6759] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6768 attached [pid 6767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6766] memfd_create("syzkaller", 0 [pid 6762] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6759] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6768] set_robust_list(0x55558704b6a0, 24 [pid 6766] <... memfd_create resumed>) = 3 [pid 6759] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] <... set_robust_list resumed>) = 0 [pid 6766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6767] <... prctl resumed>) = 0 [pid 6767] setpgid(0, 0 [pid 6766] <... mmap resumed>) = 0x7f3940e00000 [pid 6762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] <... setpgid resumed>) = 0 [pid 6762] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6762] <... mmap resumed>) = 0x200000000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6768 [pid 6767] <... openat resumed>) = 3 [pid 6762] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6759] <... futex resumed>) = 0 [pid 6767] write(3, "1000", 4 [pid 6759] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... write resumed>) = 4 [pid 6762] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6759] <... futex resumed>) = 0 [pid 6767] close(3) = 0 executing program [pid 6767] write(1, "executing program\n", 18 [pid 6762] +++ killed by SIGBUS +++ [pid 6759] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6759, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6767] <... write resumed>) = 18 [pid 6767] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6767] <... futex resumed>) = 0 [pid 6767] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6767] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6766] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6765] <... close resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6768] <... prctl resumed>) = 0 [pid 6767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6765] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] setpgid(0, 0 [pid 6767] <... mmap resumed>) = 0x7f3949327000 [pid 6768] <... setpgid resumed>) = 0 [pid 6767] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6766] <... write resumed>) = 1048576 [pid 6765] <... futex resumed>) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6768] <... openat resumed>) = 3 [pid 6767] <... mprotect resumed>) = 0 [pid 6766] munmap(0x7f3940e00000, 138412032 [pid 6765] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6763] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] write(3, "1000", 4 [pid 6767] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6766] <... munmap resumed>) = 0 [pid 6765] <... openat resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6768] <... write resumed>) = 4 [pid 6767] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6768] close(3) = 0 [pid 6767] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6766] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6765] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6763] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6769 attached [pid 6768] write(1, "executing program\n", 18 [pid 6766] close(3 [pid 6765] <... futex resumed>) = 0 [pid 6763] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6769] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6768] <... write resumed>) = 18 [pid 6767] <... clone3 resumed> => {parent_tid=[6769]}, 88) = 6769 [pid 6765] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] <... futex resumed>) = 0 [pid 6763] <... futex resumed>) = 1 [pid 6765] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6763] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] <... mmap resumed>) = 0x200000000000 [pid 6765] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6770 attached [pid 6769] <... rseq resumed>) = 0 [pid 6768] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] rt_sigprocmask(SIG_SETMASK, [], [pid 6766] <... close resumed>) = 0 [pid 6769] set_robust_list(0x7f39493479a0, 24 [pid 6768] <... futex resumed>) = 0 [pid 6767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6766] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] set_robust_list(0x55558704b6a0, 24 [pid 6769] <... set_robust_list resumed>) = 0 [pid 6768] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6767] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = 0 [pid 6770] <... set_robust_list resumed>) = 0 [pid 6766] <... futex resumed>) = 1 [pid 6769] rt_sigprocmask(SIG_SETMASK, [], [pid 6768] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6767] <... futex resumed>) = 0 [pid 6764] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6767] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6766] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6765] <... futex resumed>) = 1 [pid 6764] <... futex resumed>) = 0 [pid 6763] <... futex resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6770 [pid 6770] <... prctl resumed>) = 0 [pid 6769] memfd_create("syzkaller", 0 [pid 6768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6766] <... openat resumed>) = 3 [pid 6765] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6764] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6763] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] setpgid(0, 0 [pid 6769] <... memfd_create resumed>) = 3 [pid 6768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6766] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6770] <... setpgid resumed>) = 0 [pid 6769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6768] <... mmap resumed>) = 0x7f3949327000 [pid 6766] <... futex resumed>) = 0 [pid 6765] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6764] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6763] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6769] <... mmap resumed>) = 0x7f3940e00000 [pid 6768] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6766] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6764] <... futex resumed>) = 0 [pid 6768] <... mprotect resumed>) = 0 [pid 6766] <... mmap resumed>) = 0x200000000000 [pid 6770] <... openat resumed>) = 3 [pid 6768] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6766] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] +++ killed by SIGBUS +++ [pid 6764] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6763] +++ killed by SIGBUS +++ [pid 6770] write(3, "1000", 4 [pid 6768] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6766] <... futex resumed>) = 0 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6763, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6770] <... write resumed>) = 4 [pid 6768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6766] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6764] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6771 attached [pid 6770] close(3 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6764] <... futex resumed>) = 0 [pid 6771] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6770] <... close resumed>) = 0 [pid 6771] <... rseq resumed>) = 0 executing program [pid 6770] write(1, "executing program\n", 18 [pid 6768] <... clone3 resumed> => {parent_tid=[6771]}, 88) = 6771 [pid 6766] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6764] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6771] set_robust_list(0x7f39493479a0, 24 [pid 6770] <... write resumed>) = 18 [pid 6768] rt_sigprocmask(SIG_SETMASK, [], [pid 6764] <... futex resumed>) = ? [pid 5829] <... restart_syscall resumed>) = 0 [pid 6771] <... set_robust_list resumed>) = 0 [pid 6770] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6771] rt_sigprocmask(SIG_SETMASK, [], [pid 6768] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6771] memfd_create("syzkaller", 0 [pid 6770] <... futex resumed>) = 0 [pid 6769] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6768] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6770] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6768] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6766] +++ killed by SIGBUS +++ [pid 6764] +++ killed by SIGBUS +++ [pid 6770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6764, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6771] <... memfd_create resumed>) = 3 [pid 6770] <... mmap resumed>) = 0x7f3949327000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6770] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6772 attached [pid 6771] <... mmap resumed>) = 0x7f3940e00000 [pid 6770] <... mprotect resumed>) = 0 [pid 6772] set_robust_list(0x55558704b6a0, 24 [pid 6770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] <... restart_syscall resumed>) = 0 [pid 6772] <... set_robust_list resumed>) = 0 [pid 6770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6772 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6773 attached [pid 6773] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6773] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6772] <... prctl resumed>) = 0 [pid 6771] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6770] <... clone3 resumed> => {parent_tid=[6773]}, 88) = 6773 [pid 6769] <... write resumed>) = 1048576 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6773] rt_sigprocmask(SIG_SETMASK, [], [pid 6772] setpgid(0, 0 [pid 6770] rt_sigprocmask(SIG_SETMASK, [], [pid 6769] munmap(0x7f3940e00000, 138412032 [pid 6772] <... setpgid resumed>) = 0 [pid 6770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6770] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] memfd_create("syzkaller", 0 [pid 6772] <... openat resumed>) = 3 [pid 6770] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6774 attached [pid 6773] <... memfd_create resumed>) = 3 [pid 6772] write(3, "1000", 4 [pid 6770] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6774] set_robust_list(0x55558704b6a0, 24 [pid 6773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6772] <... write resumed>) = 4 [pid 6769] <... munmap resumed>) = 0 [pid 6774] <... set_robust_list resumed>) = 0 [pid 6773] <... mmap resumed>) = 0x7f3940e00000 [pid 6772] close(3 [pid 6769] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6774 [pid 6774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6773] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576executing program [pid 6772] <... close resumed>) = 0 [pid 6769] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6774] <... prctl resumed>) = 0 [pid 6772] write(1, "executing program\n", 18 [pid 6769] close(3 [pid 6774] setpgid(0, 0 [pid 6772] <... write resumed>) = 18 [pid 6774] <... setpgid resumed>) = 0 [pid 6772] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... close resumed>) = 0 [pid 6774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6772] <... futex resumed>) = 0 [pid 6769] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6769] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6769] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6774] <... openat resumed>) = 3 [pid 6773] <... write resumed>) = 1048576 [pid 6772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6771] <... write resumed>) = 1048576 [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] <... futex resumed>) = 0 [pid 6774] write(3, "1000", 4 [pid 6772] <... mmap resumed>) = 0x7f3949327000 [pid 6769] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6767] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] <... write resumed>) = 4 [pid 6772] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6769] <... openat resumed>) = 3 [pid 6774] close(3 [pid 6772] <... mprotect resumed>) = 0 [pid 6769] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... close resumed>) = 0 [pid 6772] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6771] munmap(0x7f3940e00000, 138412032 [pid 6769] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6774] write(1, "executing program\n", 18 executing program [pid 6772] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6771] <... munmap resumed>) = 0 [pid 6769] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... write resumed>) = 18 [pid 6773] munmap(0x7f3940e00000, 138412032 [pid 6772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6771] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6775 attached [pid 6774] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... munmap resumed>) = 0 [pid 6771] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] <... futex resumed>) = 0 [pid 6775] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6774] <... futex resumed>) = 0 [pid 6772] <... clone3 resumed> => {parent_tid=[6775]}, 88) = 6775 [pid 6767] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] <... rseq resumed>) = 0 [pid 6774] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6772] rt_sigprocmask(SIG_SETMASK, [], [pid 6769] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6775] set_robust_list(0x7f39493479a0, 24 [pid 6774] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6775] <... set_robust_list resumed>) = 0 [pid 6774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6773] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6772] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] close(3 [pid 6775] rt_sigprocmask(SIG_SETMASK, [], [pid 6774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6773] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6772] <... futex resumed>) = 0 [pid 6769] <... mmap resumed>) = 0x200000000000 [pid 6775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6772] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6769] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] memfd_create("syzkaller", 0 [pid 6774] <... mmap resumed>) = 0x7f3949327000 [pid 6769] <... futex resumed>) = 1 [pid 6767] <... futex resumed>) = 0 [pid 6775] <... memfd_create resumed>) = 3 [pid 6774] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6769] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6774] <... mprotect resumed>) = 0 [pid 6773] close(3 [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] <... futex resumed>) = 0 [pid 6775] <... mmap resumed>) = 0x7f3940e00000 [pid 6774] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6773] <... close resumed>) = 0 [pid 6769] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6767] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6771] <... close resumed>) = 0 [pid 6775] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6774] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6773] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = ? [pid 6774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6773] <... futex resumed>) = 1 [pid 6771] <... futex resumed>) = 1 [pid 6770] <... futex resumed>) = 0 [pid 6769] +++ killed by SIGBUS +++ [pid 6768] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6776 attached [pid 6773] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6771] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] <... clone3 resumed> => {parent_tid=[6776]}, 88) = 6776 [pid 6776] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6774] rt_sigprocmask(SIG_SETMASK, [], [pid 6771] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6770] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... futex resumed>) = 0 [pid 6776] <... rseq resumed>) = 0 [pid 6774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6773] <... futex resumed>) = 0 [pid 6771] <... openat resumed>) = 3 [pid 6770] <... futex resumed>) = 1 [pid 6768] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] +++ killed by SIGBUS +++ [pid 6776] set_robust_list(0x7f39493479a0, 24 [pid 6774] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6776] <... set_robust_list resumed>) = 0 [pid 6774] <... futex resumed>) = 0 [pid 6776] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6767, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6774] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6776] memfd_create("syzkaller", 0 [pid 6773] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6771] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... openat resumed>) = 3 [pid 6771] <... futex resumed>) = 1 [pid 6776] <... memfd_create resumed>) = 3 [pid 6773] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] <... futex resumed>) = 0 [pid 6776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6773] <... futex resumed>) = 1 [pid 6770] <... futex resumed>) = 0 [pid 6768] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] <... mmap resumed>) = 0x7f3940e00000 [pid 6775] <... write resumed>) = 1048576 [pid 6773] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6771] <... futex resumed>) = 0 [pid 6770] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... futex resumed>) = 1 [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6771] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6768] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] munmap(0x7f3940e00000, 138412032 [pid 6773] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6771] <... mmap resumed>) = 0x200000000000 [pid 6770] <... futex resumed>) = 0 [pid 6770] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 6775] <... munmap resumed>) = 0 [pid 6771] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6773] <... mmap resumed>) = 0x200000000000 [pid 6771] <... futex resumed>) = 1 [pid 6768] <... futex resumed>) = 0 [pid 6775] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6773] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6775] close(3 [pid 6773] <... futex resumed>) = 1 [pid 6771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6770] <... futex resumed>) = 0 [pid 6768] <... futex resumed>) = 0 [pid 6773] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6771] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6768] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6770] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6768] <... futex resumed>) = ? [pid 6773] <... futex resumed>) = 0 [pid 6773] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6771] +++ killed by SIGBUS +++ [pid 6768] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 6777 attached [pid 6776] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6777] set_robust_list(0x55558704b6a0, 24 [pid 6773] +++ killed by SIGBUS +++ [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6777 [pid 6777] <... set_robust_list resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6768, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6775] <... close resumed>) = 0 [pid 6777] <... prctl resumed>) = 0 [pid 6770] +++ killed by SIGBUS +++ [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6777] setpgid(0, 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6770, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5828] <... restart_syscall resumed>) = 0 [pid 6777] <... setpgid resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6775] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6775] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [pid 6775] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6777] <... openat resumed>) = 3 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6772] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6775] <... futex resumed>) = 0 [pid 6772] <... futex resumed>) = 1 [pid 6777] write(3, "1000", 4) = 4 [pid 6777] close(3) = 0 ./strace-static-x86_64: Process 6778 attached [pid 6775] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000executing program [pid 6777] write(1, "executing program\n", 18) = 18 [pid 6777] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6777] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6777] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6778] set_robust_list(0x55558704b6a0, 24 [pid 6777] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6775] <... openat resumed>) = 3 [pid 6772] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6778 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6779 attached [pid 6778] <... set_robust_list resumed>) = 0 [pid 6777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] <... write resumed>) = 1048576 [pid 6775] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] set_robust_list(0x55558704b6a0, 24 [pid 6778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6776] munmap(0x7f3940e00000, 138412032 [pid 6775] <... futex resumed>) = 0 [pid 6772] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6779 [pid 6779] <... set_robust_list resumed>) = 0 [pid 6778] <... prctl resumed>) = 0 [pid 6777] <... mmap resumed>) = 0x7f3949327000 [pid 6775] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6772] <... futex resumed>) = 0 [pid 6776] <... munmap resumed>) = 0 [pid 6779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6778] setpgid(0, 0 [pid 6777] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6772] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... prctl resumed>) = 0 [pid 6778] <... setpgid resumed>) = 0 [pid 6777] <... mprotect resumed>) = 0 [pid 6776] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6775] <... mmap resumed>) = 0x200000000000 [pid 6779] setpgid(0, 0 [pid 6778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6777] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6779] <... setpgid resumed>) = 0 [pid 6776] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6775] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6778] <... openat resumed>) = 3 [pid 6777] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6776] close(3 [pid 6775] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [pid 6779] <... openat resumed>) = 3 [pid 6777] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6775] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6772] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6780 attached [pid 6780] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6777] <... clone3 resumed> => {parent_tid=[6780]}, 88) = 6780 [pid 6780] <... rseq resumed>) = 0 [pid 6779] write(3, "1000", 4 [pid 6778] write(3, "1000", 4 [pid 6777] rt_sigprocmask(SIG_SETMASK, [], [pid 6772] <... futex resumed>) = ? [pid 6780] set_robust_list(0x7f39493479a0, 24 [pid 6779] <... write resumed>) = 4 [pid 6778] <... write resumed>) = 4 [pid 6777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6775] +++ killed by SIGBUS +++ [pid 6780] <... set_robust_list resumed>) = 0 [pid 6780] rt_sigprocmask(SIG_SETMASK, [], [pid 6778] close(3 [pid 6777] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6779] close(3 [pid 6778] <... close resumed>) = 0 [pid 6777] <... futex resumed>) = 0 executing program [pid 6780] memfd_create("syzkaller", 0 [pid 6779] <... close resumed>) = 0 [pid 6778] write(1, "executing program\n", 18 [pid 6777] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6780] <... memfd_create resumed>) = 3 [pid 6778] <... write resumed>) = 18 executing program [pid 6779] write(1, "executing program\n", 18 [pid 6778] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] +++ killed by SIGBUS +++ [pid 6780] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6779] <... write resumed>) = 18 [pid 6778] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6772, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6780] <... mmap resumed>) = 0x7f3940e00000 [pid 6779] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6776] <... close resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6780] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6779] <... futex resumed>) = 0 [pid 6778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6776] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6779] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6776] <... futex resumed>) = 1 [pid 6774] <... futex resumed>) = 0 [pid 6779] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] <... futex resumed>) = 0 [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6778] <... mmap resumed>) = 0x7f3949327000 [pid 6776] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6778] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6774] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6776] <... openat resumed>) = 3 [pid 6779] <... mmap resumed>) = 0x7f3949327000 [pid 6778] <... mprotect resumed>) = 0 [pid 6779] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6776] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... write resumed>) = 1048576 [pid 6779] <... mprotect resumed>) = 0 [pid 6778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6776] <... futex resumed>) = 1 [pid 6774] <... futex resumed>) = 0 [pid 6780] munmap(0x7f3940e00000, 138412032 [pid 6779] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6776] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6780] <... munmap resumed>) = 0 [pid 6779] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6781 attached [pid 6780] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6779] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6776] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6774] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6783 attached ./strace-static-x86_64: Process 6782 attached [pid 6781] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6780] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6778] <... clone3 resumed> => {parent_tid=[6781]}, 88) = 6781 [pid 6776] <... mmap resumed>) = 0x200000000000 [pid 6783] set_robust_list(0x55558704b6a0, 24 [pid 6782] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6781] <... rseq resumed>) = 0 [pid 6780] close(3 [pid 6779] <... clone3 resumed> => {parent_tid=[6782]}, 88) = 6782 [pid 6778] rt_sigprocmask(SIG_SETMASK, [], [pid 6776] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6783 [pid 6783] <... set_robust_list resumed>) = 0 [pid 6782] <... rseq resumed>) = 0 [pid 6781] set_robust_list(0x7f39493479a0, 24 [pid 6779] rt_sigprocmask(SIG_SETMASK, [], [pid 6778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] <... futex resumed>) = 1 [pid 6774] <... futex resumed>) = 0 [pid 6781] <... set_robust_list resumed>) = 0 [pid 6779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6778] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] rt_sigprocmask(SIG_SETMASK, [], [pid 6779] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = 0 [pid 6776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] <... futex resumed>) = 0 [pid 6781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6778] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6776] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6782] set_robust_list(0x7f39493479a0, 24 [pid 6781] memfd_create("syzkaller", 0 [pid 6774] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6782] <... set_robust_list resumed>) = 0 [pid 6779] <... futex resumed>) = 0 [pid 6781] <... memfd_create resumed>) = 3 [pid 6774] <... futex resumed>) = ? [pid 6783] <... prctl resumed>) = 0 [pid 6782] rt_sigprocmask(SIG_SETMASK, [], [pid 6779] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6776] +++ killed by SIGBUS +++ [pid 6782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6782] memfd_create("syzkaller", 0) = 3 [pid 6782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6783] setpgid(0, 0 [pid 6781] <... mmap resumed>) = 0x7f3940e00000 [pid 6783] <... setpgid resumed>) = 0 [pid 6782] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6781] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6780] <... close resumed>) = 0 [pid 6774] +++ killed by SIGBUS +++ [pid 6783] <... openat resumed>) = 3 [pid 6782] <... write resumed>) = 1048576 [pid 6780] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6774, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6783] write(3, "1000", 4 [pid 6780] <... futex resumed>) = 1 [pid 6783] <... write resumed>) = 4 [pid 6780] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] close(3) = 0 [pid 6783] write(1, "executing program\n", 18executing program [pid 6782] munmap(0x7f3940e00000, 138412032 [pid 6781] <... write resumed>) = 1048576 [pid 6777] <... futex resumed>) = 0 [pid 6783] <... write resumed>) = 18 [pid 6783] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6783] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6783] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6777] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 1 [pid 6780] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6783] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6782] <... munmap resumed>) = 0 [pid 6781] munmap(0x7f3940e00000, 138412032 [pid 6777] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] <... openat resumed>) = 3 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6783] <... mprotect resumed>) = 0 [pid 6782] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6783] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6781] <... munmap resumed>) = 0 [pid 6780] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6780] <... futex resumed>) = 1 [pid 6777] <... futex resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6783] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6782] close(3 [pid 6780] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6784 attached [pid 6783] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6782] <... close resumed>) = 0 [pid 6781] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6777] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6785 attached [pid 6784] set_robust_list(0x55558704b6a0, 24 [pid 6782] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6780] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6777] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6785] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6784] <... set_robust_list resumed>) = 0 [pid 6783] <... clone3 resumed> => {parent_tid=[6785]}, 88) = 6785 [pid 6782] <... futex resumed>) = 1 [pid 6781] close(3 [pid 6780] <... mmap resumed>) = 0x200000000000 [pid 6779] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6784 [pid 6785] <... rseq resumed>) = 0 [pid 6784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6783] rt_sigprocmask(SIG_SETMASK, [], [pid 6782] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6785] set_robust_list(0x7f39493479a0, 24 [pid 6784] <... prctl resumed>) = 0 [pid 6783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6785] <... set_robust_list resumed>) = 0 [pid 6784] setpgid(0, 0 [pid 6783] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6784] <... setpgid resumed>) = 0 [pid 6783] <... futex resumed>) = 0 [pid 6785] memfd_create("syzkaller", 0 [pid 6784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6783] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6785] <... memfd_create resumed>) = 3 [pid 6785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6784] <... openat resumed>) = 3 [pid 6781] <... close resumed>) = 0 [pid 6780] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 1 [pid 6777] <... futex resumed>) = 0 [pid 6780] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... futex resumed>) = 1 [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6778] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6781] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6778] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... futex resumed>) = 0 [pid 6785] <... mmap resumed>) = 0x7f3940e00000 [pid 6784] write(3, "1000", 4 [pid 6782] <... futex resumed>) = 0 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6778] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] <... write resumed>) = 4 [pid 6782] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6781] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6777] <... futex resumed>) = ? [pid 6784] close(3 [pid 6782] <... openat resumed>) = 3 [pid 6781] <... openat resumed>) = 3 [pid 6780] +++ killed by SIGBUS +++ [pid 6777] +++ killed by SIGBUS +++ [pid 6784] <... close resumed>) = 0 [pid 6782] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6777, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6782] <... futex resumed>) = 1 [pid 6781] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6781] <... futex resumed>) = 1 [pid 6779] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = 0 executing program [pid 6781] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6785] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6779] <... futex resumed>) = 0 [pid 6778] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] write(1, "executing program\n", 18 [pid 6782] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6784] <... write resumed>) = 18 [pid 6779] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... futex resumed>) = 0 [pid 6784] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... mmap resumed>) = 0x200000000000 [pid 6781] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6778] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] <... futex resumed>) = 0 [pid 6782] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... mmap resumed>) = 0x200000000000 [pid 6784] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6782] <... futex resumed>) = 1 [pid 6781] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6784] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6782] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... futex resumed>) = 1 [pid 6779] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = 0 [pid 6784] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] <... futex resumed>) = 0 [pid 6778] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6782] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] ???( [pid 6778] <... futex resumed>) = 0 [pid 6784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6781] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6779] <... ??? resumed>) = ? [pid 6778] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6784] <... mmap resumed>) = 0x7f3949327000 [pid 6781] +++ killed by SIGBUS +++ [pid 6778] +++ killed by SIGBUS +++ [pid 6782] +++ killed by SIGBUS +++ [pid 6779] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6779, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6784] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6778, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6784] <... mprotect resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6784] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6784] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6786 attached [pid 6786] set_robust_list(0x55558704b6a0, 24./strace-static-x86_64: Process 6787 attached [pid 6785] <... write resumed>) = 1048576 [pid 6784] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6786 [pid 6787] set_robust_list(0x55558704b6a0, 24 [pid 6786] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6788 attached [pid 6787] <... set_robust_list resumed>) = 0 [pid 6786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6788] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6786] <... prctl resumed>) = 0 [pid 6788] set_robust_list(0x7f39493479a0, 24 [pid 6787] <... prctl resumed>) = 0 [pid 6786] setpgid(0, 0 [pid 6784] <... clone3 resumed> => {parent_tid=[6788]}, 88) = 6788 [pid 6787] setpgid(0, 0 [pid 6784] rt_sigprocmask(SIG_SETMASK, [], [pid 6787] <... setpgid resumed>) = 0 [pid 6784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6788] <... set_robust_list resumed>) = 0 [pid 6787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6786] <... setpgid resumed>) = 0 [pid 6784] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] rt_sigprocmask(SIG_SETMASK, [], [pid 6787] <... openat resumed>) = 3 [pid 6786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6784] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6787 ./strace-static-x86_64: Process 6789 attached [pid 6788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6787] write(3, "1000", 4 [pid 6785] munmap(0x7f3940e00000, 138412032 [pid 6784] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6789] set_robust_list(0x55558704b6a0, 24 [pid 6788] memfd_create("syzkaller", 0 [pid 6787] <... write resumed>) = 4 [pid 6786] <... openat resumed>) = 3 [pid 6785] <... munmap resumed>) = 0 [pid 6789] <... set_robust_list resumed>) = 0 [pid 6787] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6789 [pid 6789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6788] <... memfd_create resumed>) = 3 [pid 6786] write(3, "1000", 4 [pid 6788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6787] <... close resumed>) = 0 [pid 6786] <... write resumed>) = 4 [pid 6787] write(1, "executing program\n", 18executing program [pid 6786] close(3 [pid 6788] <... mmap resumed>) = 0x7f3940e00000 [pid 6789] <... prctl resumed>) = 0 [pid 6787] <... write resumed>) = 18 [pid 6787] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... close resumed>) = 0 [pid 6785] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6789] setpgid(0, 0 [pid 6787] <... futex resumed>) = 0 [pid 6785] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6787] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6785] close(3 [pid 6787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6787] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6787] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 6787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6789] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6790 attached [pid 6786] write(1, "executing program\n", 18) = 18 [pid 6787] <... clone3 resumed> => {parent_tid=[6790]}, 88) = 6790 [pid 6790] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6788] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6787] rt_sigprocmask(SIG_SETMASK, [], [pid 6786] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... close resumed>) = 0 [pid 6790] <... rseq resumed>) = 0 [pid 6787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6790] set_robust_list(0x7f39493479a0, 24 [pid 6786] <... futex resumed>) = 0 [pid 6790] <... set_robust_list resumed>) = 0 [pid 6789] <... openat resumed>) = 3 [pid 6786] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6790] rt_sigprocmask(SIG_SETMASK, [], [pid 6786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6790] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6786] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6789] write(3, "1000", 4 [pid 6786] <... mprotect resumed>) = 0 [pid 6789] <... write resumed>) = 4 [pid 6787] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] close(3 [pid 6786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6789] <... close resumed>) = 0 executing program [pid 6790] <... futex resumed>) = 0 [pid 6788] <... write resumed>) = 1048576 [pid 6787] <... futex resumed>) = 1 [pid 6789] write(1, "executing program\n", 18 [pid 6786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6785] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] memfd_create("syzkaller", 0 [pid 6789] <... write resumed>) = 18 [pid 6788] munmap(0x7f3940e00000, 138412032 [pid 6787] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6785] <... futex resumed>) = 1 [pid 6783] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6791 attached [pid 6790] <... memfd_create resumed>) = 3 [pid 6789] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] <... munmap resumed>) = 0 [pid 6785] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6783] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6789] <... futex resumed>) = 0 [pid 6788] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6786] <... clone3 resumed> => {parent_tid=[6791]}, 88) = 6791 [pid 6785] <... openat resumed>) = 3 [pid 6783] <... futex resumed>) = 0 [pid 6791] <... rseq resumed>) = 0 [pid 6790] <... mmap resumed>) = 0x7f3940e00000 [pid 6789] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6788] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6786] rt_sigprocmask(SIG_SETMASK, [], [pid 6785] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] set_robust_list(0x7f39493479a0, 24 [pid 6789] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6788] close(3 [pid 6785] <... futex resumed>) = 0 [pid 6783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... set_robust_list resumed>) = 0 [pid 6789] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6785] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] rt_sigprocmask(SIG_SETMASK, [], [pid 6783] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6786] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] memfd_create("syzkaller", 0 [pid 6789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6786] <... futex resumed>) = 0 [pid 6785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6789] <... mmap resumed>) = 0x7f3949327000 [pid 6786] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6789] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6785] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6791] <... memfd_create resumed>) = 3 [pid 6789] <... mprotect resumed>) = 0 [pid 6785] <... mmap resumed>) = 0x200000000000 [pid 6791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6785] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6789] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6785] <... futex resumed>) = 1 [pid 6785] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] <... futex resumed>) = 0 [pid 6783] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6783] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6789] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6789] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6792 attached [pid 6788] <... close resumed>) = 0 [pid 6785] <... futex resumed>) = 0 [pid 6792] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6791] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6789] <... clone3 resumed> => {parent_tid=[6792]}, 88) = 6792 [pid 6785] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6792] <... rseq resumed>) = 0 [pid 6789] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... futex resumed>) = ? [pid 6789] <... futex resumed>) = 0 [pid 6785] +++ killed by SIGBUS +++ [pid 6789] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6788] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] set_robust_list(0x7f39493479a0, 24 [pid 6788] <... futex resumed>) = 1 [pid 6792] <... set_robust_list resumed>) = 0 [pid 6788] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6784] <... futex resumed>) = 0 [pid 6792] rt_sigprocmask(SIG_SETMASK, [], [pid 6784] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6784] <... futex resumed>) = 0 [pid 6792] memfd_create("syzkaller", 0 [pid 6788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6784] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] +++ killed by SIGBUS +++ [pid 6788] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6792] <... memfd_create resumed>) = 3 [pid 6788] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6783, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6788] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6792] <... mmap resumed>) = 0x7f3940e00000 [pid 6788] <... futex resumed>) = 1 [pid 6784] <... futex resumed>) = 0 [pid 6784] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6788] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6784] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... mmap resumed>) = 0x200000000000 [pid 6788] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6792] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6788] <... futex resumed>) = 1 [pid 6784] <... futex resumed>) = 0 [pid 6784] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6784] <... futex resumed>) = 0 [pid 6791] <... write resumed>) = 1048576 [pid 6790] <... write resumed>) = 1048576 [pid 6788] +++ killed by SIGBUS +++ [pid 6784] +++ killed by SIGBUS +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6784, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6790] munmap(0x7f3940e00000, 138412032 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6792] <... write resumed>) = 1048576 [pid 6791] munmap(0x7f3940e00000, 138412032 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6792] munmap(0x7f3940e00000, 138412032 [pid 6790] <... munmap resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6793 attached [pid 6791] <... munmap resumed>) = 0 [pid 6790] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6792] <... munmap resumed>) = 0 [pid 6790] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6790] close(3 [pid 6793] set_robust_list(0x55558704b6a0, 24 [pid 6792] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6791] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6793] <... set_robust_list resumed>) = 0 [pid 6792] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6791] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6793 [pid 6792] close(3 [pid 6793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6791] close(3 [pid 6790] <... close resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6793] setpgid(0, 0 [pid 6792] <... close resumed>) = 0 [pid 6790] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6792] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] <... futex resumed>) = 1 [pid 6787] <... futex resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6793] <... setpgid resumed>) = 0 [pid 6792] <... futex resumed>) = 1 [pid 6791] <... close resumed>) = 0 [pid 6790] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6789] <... futex resumed>) = 0 [pid 6787] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6789] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6794 attached [pid 6790] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6787] <... futex resumed>) = 0 [pid 6794] set_robust_list(0x55558704b6a0, 24 [pid 6792] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6791] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] <... openat resumed>) = 3 [pid 6789] <... futex resumed>) = 0 [pid 6787] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] <... set_robust_list resumed>) = 0 [pid 6792] <... openat resumed>) = 3 [pid 6791] <... futex resumed>) = 1 [pid 6790] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6786] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6794 [pid 6792] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6790] <... futex resumed>) = 0 [pid 6787] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6792] <... futex resumed>) = 1 [pid 6790] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6789] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 6794] <... prctl resumed>) = 0 [pid 6793] <... openat resumed>) = 3 [pid 6792] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] <... openat resumed>) = 3 [pid 6790] <... mmap resumed>) = 0x200000000000 [pid 6789] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... futex resumed>) = 0 [pid 6786] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] setpgid(0, 0 [pid 6793] write(3, "1000", 4 [pid 6792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] <... futex resumed>) = 0 [pid 6787] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... setpgid resumed>) = 0 [pid 6793] <... write resumed>) = 4 [pid 6792] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6791] <... futex resumed>) = 0 [pid 6790] <... futex resumed>) = 0 [pid 6789] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6786] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] close(3 [pid 6792] <... mmap resumed>) = 0x200000000000 [pid 6791] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6790] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... futex resumed>) = 0 [pid 6794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6793] <... close resumed>) = 0 [pid 6790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6787] <... futex resumed>) = 0 [pid 6786] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] <... openat resumed>) = 3 [pid 6792] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... mmap resumed>) = 0x200000000000 [pid 6790] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6787] syscall_0x200000000000(0x7f3949419600, 0x81, 0xf4240, 0x3, 0, 0 [pid 6794] write(3, "1000", 4executing program [pid 6793] write(1, "executing program\n", 18 [pid 6792] <... futex resumed>) = 1 [pid 6791] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... write resumed>) = 4 [pid 6793] <... write resumed>) = 18 [pid 6792] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] <... futex resumed>) = 1 [pid 6789] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 6794] close(3 [pid 6793] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] +++ killed by SIGBUS +++ [pid 6789] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] +++ killed by SIGBUS +++ [pid 6786] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... close resumed>) = 0 [pid 6793] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6789] <... futex resumed>) = 1 [pid 6786] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6787, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6793] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6792] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6791] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6789] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, executing program [pid 6786] ???( [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6794] write(1, "executing program\n", 18 [pid 6793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6794] <... write resumed>) = 18 [pid 6793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6786] <... ??? resumed>) = ? [pid 5828] <... restart_syscall resumed>) = 0 [pid 6794] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6794] <... futex resumed>) = 0 [pid 6793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6791] +++ killed by SIGBUS +++ [pid 6794] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6793] <... mmap resumed>) = 0x7f3949327000 [pid 6794] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6794] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6793] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6793] <... mprotect resumed>) = 0 [pid 6786] +++ killed by SIGBUS +++ [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6794] <... mmap resumed>) = 0x7f3949327000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6786, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6794] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6792] +++ killed by SIGBUS +++ [pid 6789] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6789, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6793] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6795 attached [pid 6794] <... mprotect resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5827] <... restart_syscall resumed>) = 0 [pid 6794] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6796 attached [pid 6795] set_robust_list(0x55558704b6a0, 24 [pid 6793] <... clone3 resumed> => {parent_tid=[6796]}, 88) = 6796 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6795 [pid 6796] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6795] <... set_robust_list resumed>) = 0 [pid 6794] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6793] rt_sigprocmask(SIG_SETMASK, [], [pid 6796] <... rseq resumed>) = 0 [pid 6795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6794] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6793] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6797 attached [pid 6796] set_robust_list(0x7f39493479a0, 24 [pid 6793] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6797] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6796] <... set_robust_list resumed>) = 0 [pid 6795] <... prctl resumed>) = 0 [pid 6794] <... clone3 resumed> => {parent_tid=[6797]}, 88) = 6797 [pid 6793] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6796] rt_sigprocmask(SIG_SETMASK, [], [pid 6795] setpgid(0, 0 [pid 6797] <... rseq resumed>) = 0 [pid 6794] rt_sigprocmask(SIG_SETMASK, [], [pid 6793] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6797] set_robust_list(0x7f39493479a0, 24 [pid 6796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6795] <... setpgid resumed>) = 0 [pid 6794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6797] <... set_robust_list resumed>) = 0 [pid 6794] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6797] rt_sigprocmask(SIG_SETMASK, [], [pid 6796] memfd_create("syzkaller", 0 [pid 6795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6794] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6798 attached [pid 6797] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6796] <... memfd_create resumed>) = 3 [pid 6794] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6798] set_robust_list(0x55558704b6a0, 24 [pid 6797] memfd_create("syzkaller", 0 [pid 6796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6799 attached [pid 6798] <... set_robust_list resumed>) = 0 [pid 6796] <... mmap resumed>) = 0x7f3940e00000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6798 [pid 6799] set_robust_list(0x55558704b6a0, 24 [pid 6798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6797] <... memfd_create resumed>) = 3 [pid 6795] <... openat resumed>) = 3 [pid 6799] <... set_robust_list resumed>) = 0 [pid 6797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6795] write(3, "1000", 4 [pid 6799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6797] <... mmap resumed>) = 0x7f3940e00000 [pid 6795] <... write resumed>) = 4 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6799 [pid 6795] close(3 [pid 6799] <... prctl resumed>) = 0 [pid 6798] <... prctl resumed>) = 0 [pid 6795] <... close resumed>) = 0 [pid 6798] setpgid(0, 0 [pid 6795] write(1, "executing program\n", 18executing program ) = 18 [pid 6795] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6799] setpgid(0, 0) = 0 [pid 6795] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6795] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6799] <... openat resumed>) = 3 [pid 6795] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6795] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6799] write(3, "1000", 4 [pid 6798] <... setpgid resumed>) = 0 [pid 6795] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6799] <... write resumed>) = 4 [pid 6795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6800 attached [pid 6799] close(3executing program [pid 6798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6799] <... close resumed>) = 0 [pid 6795] <... clone3 resumed> => {parent_tid=[6800]}, 88) = 6800 [pid 6799] write(1, "executing program\n", 18 [pid 6795] rt_sigprocmask(SIG_SETMASK, [], [pid 6799] <... write resumed>) = 18 [pid 6798] <... openat resumed>) = 3 [pid 6795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6799] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] write(3, "1000", 4 [pid 6795] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6799] <... futex resumed>) = 0 [pid 6798] <... write resumed>) = 4 [pid 6795] <... futex resumed>) = 0 [pid 6800] <... rseq resumed>) = 0 [pid 6799] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6798] close(3 [pid 6795] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6800] set_robust_list(0x7f39493479a0, 24 [pid 6799] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6798] <... close resumed>) = 0 executing program [pid 6800] <... set_robust_list resumed>) = 0 [pid 6799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6798] write(1, "executing program\n", 18 [pid 6800] rt_sigprocmask(SIG_SETMASK, [], [pid 6799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6798] <... write resumed>) = 18 [pid 6796] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6798] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6800] memfd_create("syzkaller", 0 [pid 6799] <... mmap resumed>) = 0x7f3949327000 [pid 6798] <... futex resumed>) = 0 [pid 6800] <... memfd_create resumed>) = 3 [pid 6799] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6798] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6799] <... mprotect resumed>) = 0 [pid 6798] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6799] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6798] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6800] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6799] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6800] <... mmap resumed>) = 0x7f3940e00000 [pid 6799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6798] <... mmap resumed>) = 0x7f3949327000 ./strace-static-x86_64: Process 6801 attached [pid 6798] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6801] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6798] <... mprotect resumed>) = 0 [pid 6801] <... rseq resumed>) = 0 [pid 6799] <... clone3 resumed> => {parent_tid=[6801]}, 88) = 6801 [pid 6801] set_robust_list(0x7f39493479a0, 24 [pid 6799] rt_sigprocmask(SIG_SETMASK, [], [pid 6798] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6796] <... write resumed>) = 1048576 [pid 6801] <... set_robust_list resumed>) = 0 [pid 6798] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6796] munmap(0x7f3940e00000, 138412032 [pid 6801] rt_sigprocmask(SIG_SETMASK, [], [pid 6798] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6801] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6799] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = 0 [pid 6799] <... futex resumed>) = 1 [pid 6799] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6802 attached [pid 6796] <... munmap resumed>) = 0 [pid 6802] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6801] memfd_create("syzkaller", 0 [pid 6802] <... rseq resumed>) = 0 [pid 6801] <... memfd_create resumed>) = 3 [pid 6800] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6798] <... clone3 resumed> => {parent_tid=[6802]}, 88) = 6802 [pid 6796] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6802] set_robust_list(0x7f39493479a0, 24 [pid 6801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6802] <... set_robust_list resumed>) = 0 [pid 6801] <... mmap resumed>) = 0x7f3940e00000 [pid 6798] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6798] <... futex resumed>) = 0 [pid 6796] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6802] memfd_create("syzkaller", 0 [pid 6798] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6796] close(3 [pid 6797] <... write resumed>) = 1048576 [pid 6796] <... close resumed>) = 0 [pid 6802] <... memfd_create resumed>) = 3 [pid 6802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6797] munmap(0x7f3940e00000, 138412032 [pid 6802] <... mmap resumed>) = 0x7f3940e00000 [pid 6800] <... write resumed>) = 1048576 [pid 6797] <... munmap resumed>) = 0 [pid 6796] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6802] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6800] munmap(0x7f3940e00000, 138412032 [pid 6797] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6796] <... futex resumed>) = 1 [pid 6793] <... futex resumed>) = 0 [pid 6800] <... munmap resumed>) = 0 [pid 6797] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6796] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6793] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] close(3 [pid 6796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6793] <... futex resumed>) = 0 [pid 6796] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6793] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] <... openat resumed>) = 3 [pid 6801] <... write resumed>) = 1048576 [pid 6797] <... close resumed>) = 0 [pid 6796] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] munmap(0x7f3940e00000, 138412032 [pid 6802] <... write resumed>) = 1048576 [pid 6800] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6797] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... futex resumed>) = 1 [pid 6793] <... futex resumed>) = 0 [pid 6802] munmap(0x7f3940e00000, 138412032 [pid 6800] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6797] <... futex resumed>) = 1 [pid 6796] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] <... futex resumed>) = 0 [pid 6793] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... munmap resumed>) = 0 [pid 6801] <... munmap resumed>) = 0 [pid 6800] close(3 [pid 6797] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6793] <... futex resumed>) = 0 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6794] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6801] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6797] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6796] <... mmap resumed>) = 0x200000000000 [pid 6794] <... futex resumed>) = 0 [pid 6801] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6797] <... openat resumed>) = 3 [pid 6796] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6797] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... futex resumed>) = 1 [pid 6794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6793] <... futex resumed>) = 0 [pid 6797] <... futex resumed>) = 0 [pid 6796] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = 0 [pid 6797] <... mmap resumed>) = 0x200000000000 [pid 6796] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6794] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] close(3 [pid 6801] close(3 [pid 6796] +++ killed by SIGBUS +++ [pid 6793] +++ killed by SIGBUS +++ [pid 6797] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6797] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6797] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6794] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6802] <... close resumed>) = 0 [pid 6801] <... close resumed>) = 0 [pid 6800] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6793, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6801] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6801] <... futex resumed>) = 1 [pid 6802] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... futex resumed>) = 0 [pid 6799] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6800] <... futex resumed>) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6795] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... futex resumed>) = 1 [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6799] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] <... futex resumed>) = 0 [pid 6795] <... futex resumed>) = 0 [pid 6802] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6801] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6800] <... openat resumed>) = 3 [pid 6798] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6801] <... openat resumed>) = 3 [pid 6798] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6802] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6801] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] <... openat resumed>) = 3 [pid 6801] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6797] +++ killed by SIGBUS +++ [pid 6795] <... futex resumed>) = 0 [pid 6794] +++ killed by SIGBUS +++ [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6802] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6794, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6802] <... futex resumed>) = 1 [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] <... futex resumed>) = 0 [pid 6798] <... futex resumed>) = 0 [pid 6795] <... futex resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6802] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6800] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6799] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6801] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6800] <... mmap resumed>) = 0x200000000000 [pid 6798] <... futex resumed>) = 0 [pid 6802] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6798] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] <... mmap resumed>) = 0x200000000000 [pid 6801] <... mmap resumed>) = 0x200000000000 [pid 6800] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6795] <... futex resumed>) = 0 [pid 6802] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6795] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6798] <... futex resumed>) = 0 [pid 6795] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6803 attached [pid 6802] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6801] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6798] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6803] set_robust_list(0x55558704b6a0, 24 [pid 6802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6801] <... futex resumed>) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6798] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6803 [pid 6803] <... set_robust_list resumed>) = 0 [pid 6802] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6801] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] <... futex resumed>) = 0 [pid 6801] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6799] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6803] <... prctl resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6803] setpgid(0, 0 [pid 6799] <... futex resumed>) = ? [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6803] <... setpgid resumed>) = 0 [pid 6803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6801] +++ killed by SIGBUS +++ [pid 6803] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6804 attached [pid 6804] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6803] write(3, "1000", 4 [pid 6804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6803] <... write resumed>) = 4 [pid 6799] +++ killed by SIGBUS +++ [pid 6803] close(3) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6799, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6804] <... prctl resumed>) = 0 executing program [pid 6803] write(1, "executing program\n", 18 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6804] setpgid(0, 0 [pid 6803] <... write resumed>) = 18 [pid 6804] <... setpgid resumed>) = 0 [pid 6804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6803] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6803] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6804] <... openat resumed>) = 3 [pid 6803] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6800] +++ killed by SIGBUS +++ [pid 6795] +++ killed by SIGBUS +++ [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6804 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6795, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6804] write(3, "1000", 4 [pid 6803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6802] +++ killed by SIGBUS +++ [pid 6798] +++ killed by SIGBUS +++ [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6804] <... write resumed>) = 4 [pid 6803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6798, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6804] close(3 [pid 6803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6804] <... close resumed>) = 0 executing program [pid 6804] write(1, "executing program\n", 18 [pid 6803] <... mmap resumed>) = 0x7f3949327000 [pid 6804] <... write resumed>) = 18 [pid 6803] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6804] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6803] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6804] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6804] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6803] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6805 attached [pid 6804] <... mmap resumed>) = 0x7f3949327000 [pid 6804] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6805] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6805] <... rseq resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6805] set_robust_list(0x7f39493479a0, 24 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6805] <... set_robust_list resumed>) = 0 [pid 6805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6804] <... mprotect resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6805] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6804] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6803] <... clone3 resumed> => {parent_tid=[6805]}, 88) = 6805 [pid 6804] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6803] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6806 attached [pid 6804] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6808 attached ./strace-static-x86_64: Process 6807 attached [pid 6806] set_robust_list(0x55558704b6a0, 24 [pid 6803] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6806 [pid 6808] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6807] set_robust_list(0x55558704b6a0, 24 [pid 6806] <... set_robust_list resumed>) = 0 [pid 6805] <... futex resumed>) = 0 [pid 6804] <... clone3 resumed> => {parent_tid=[6808]}, 88) = 6808 [pid 6803] <... futex resumed>) = 1 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6807 [pid 6808] <... rseq resumed>) = 0 [pid 6807] <... set_robust_list resumed>) = 0 [pid 6806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6808] set_robust_list(0x7f39493479a0, 24 [pid 6807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6806] <... prctl resumed>) = 0 [pid 6805] memfd_create("syzkaller", 0 [pid 6804] rt_sigprocmask(SIG_SETMASK, [], [pid 6803] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6808] <... set_robust_list resumed>) = 0 [pid 6807] <... prctl resumed>) = 0 [pid 6806] setpgid(0, 0 [pid 6805] <... memfd_create resumed>) = 3 [pid 6804] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6808] rt_sigprocmask(SIG_SETMASK, [], [pid 6807] setpgid(0, 0 [pid 6806] <... setpgid resumed>) = 0 [pid 6805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6804] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6807] <... setpgid resumed>) = 0 [pid 6804] <... futex resumed>) = 0 [pid 6808] memfd_create("syzkaller", 0 [pid 6805] <... mmap resumed>) = 0x7f3940e00000 [pid 6804] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6809 attached ) = 3 [pid 6807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6806] write(3, "1000", 4 [pid 6809] set_robust_list(0x55558704b6a0, 24 [pid 6808] <... memfd_create resumed>) = 3 [pid 6807] <... openat resumed>) = 3 [pid 6806] <... write resumed>) = 4 [pid 6805] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6809] <... set_robust_list resumed>) = 0 [pid 6808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6807] write(3, "1000", 4 [pid 6806] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6809 [pid 6808] <... mmap resumed>) = 0x7f3940e00000 [pid 6807] <... write resumed>) = 4 [pid 6806] <... close resumed>) = 0 executing program [pid 6807] close(3 [pid 6806] write(1, "executing program\n", 18 [pid 6809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6807] <... close resumed>) = 0 [pid 6809] <... prctl resumed>) = 0 [pid 6809] setpgid(0, 0 [pid 6808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6807] write(1, "executing program\n", 18executing program [pid 6806] <... write resumed>) = 18 [pid 6805] <... write resumed>) = 1048576 [pid 6809] <... setpgid resumed>) = 0 [pid 6808] <... write resumed>) = 1048576 [pid 6807] <... write resumed>) = 18 [pid 6806] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6808] munmap(0x7f3940e00000, 138412032 [pid 6807] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] <... futex resumed>) = 0 [pid 6805] munmap(0x7f3940e00000, 138412032 [pid 6809] <... openat resumed>) = 3 [pid 6808] <... munmap resumed>) = 0 [pid 6807] <... futex resumed>) = 0 [pid 6806] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6809] write(3, "1000", 4 [pid 6808] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6807] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6806] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6805] <... munmap resumed>) = 0 [pid 6809] <... write resumed>) = 4 [pid 6808] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6807] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6805] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6809] close(3 [pid 6808] close(3 [pid 6807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] <... close resumed>) = 0 [pid 6807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6807] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6807] rt_sigprocmask(SIG_BLOCK, ~[], executing program [], 8) = 0 [pid 6809] write(1, "executing program\n", 18 [pid 6808] <... close resumed>) = 0 [pid 6806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6805] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6809] <... write resumed>) = 18 [pid 6808] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6806] <... mmap resumed>) = 0x7f3949327000 [pid 6805] close(3./strace-static-x86_64: Process 6810 attached [pid 6809] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = 1 [pid 6806] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6804] <... futex resumed>) = 0 [pid 6810] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6809] <... futex resumed>) = 0 [pid 6808] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] <... mprotect resumed>) = 0 [pid 6804] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... rseq resumed>) = 0 [pid 6809] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] <... clone3 resumed> => {parent_tid=[6810]}, 88) = 6810 [pid 6806] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6810] set_robust_list(0x7f39493479a0, 24 [pid 6809] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6808] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6807] rt_sigprocmask(SIG_SETMASK, [], [pid 6806] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6804] <... futex resumed>) = 0 [pid 6810] <... set_robust_list resumed>) = 0 [pid 6809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6808] <... openat resumed>) = 3 [pid 6806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6810] rt_sigprocmask(SIG_SETMASK, [], [pid 6809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6804] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6811 attached [pid 6810] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6809] <... mmap resumed>) = 0x7f3949327000 [pid 6808] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6811] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6809] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6808] <... futex resumed>) = 0 [pid 6807] <... futex resumed>) = 0 [pid 6806] <... clone3 resumed> => {parent_tid=[6811]}, 88) = 6811 [pid 6804] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] set_robust_list(0x7f39493479a0, 24 [pid 6810] memfd_create("syzkaller", 0 [pid 6809] <... mprotect resumed>) = 0 [pid 6808] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6807] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6811] <... set_robust_list resumed>) = 0 [pid 6810] <... memfd_create resumed>) = 3 [pid 6809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6808] <... mmap resumed>) = 0x200000000000 [pid 6806] rt_sigprocmask(SIG_SETMASK, [], [pid 6804] <... futex resumed>) = 0 [pid 6811] rt_sigprocmask(SIG_SETMASK, [], [pid 6810] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6804] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6810] <... mmap resumed>) = 0x7f3940e00000 [pid 6809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6806] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] memfd_create("syzkaller", 0 [pid 6808] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6808] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6811] <... memfd_create resumed>) = 3 [pid 6806] <... futex resumed>) = 0 [pid 6804] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6812 attached [pid 6806] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6804] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6811] <... mmap resumed>) = 0x7f3940e00000 [pid 6808] <... futex resumed>) = 0 [pid 6804] <... futex resumed>) = 1 [pid 6812] <... rseq resumed>) = 0 [pid 6808] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6805] <... close resumed>) = 0 [pid 6812] set_robust_list(0x7f39493479a0, 24 [pid 6811] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6810] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6809] <... clone3 resumed> => {parent_tid=[6812]}, 88) = 6812 [pid 6805] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... set_robust_list resumed>) = 0 [pid 6809] rt_sigprocmask(SIG_SETMASK, [], [pid 6808] +++ killed by SIGBUS +++ [pid 6805] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 0 [pid 6812] rt_sigprocmask(SIG_SETMASK, [], [pid 6809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6805] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6809] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = 0 [pid 6812] memfd_create("syzkaller", 0 [pid 6809] <... futex resumed>) = 0 [pid 6805] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6803] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6812] <... memfd_create resumed>) = 3 [pid 6805] <... openat resumed>) = 3 [pid 6812] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6805] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... mmap resumed>) = 0x7f3940e00000 [pid 6809] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6805] <... futex resumed>) = 1 [pid 6804] +++ killed by SIGBUS +++ [pid 6803] <... futex resumed>) = 0 [pid 6803] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6804, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6803] <... futex resumed>) = 0 [pid 6803] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6805] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6805] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 6813 attached [pid 6810] <... write resumed>) = 1048576 [pid 6805] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6813 [pid 6813] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6811] <... write resumed>) = 1048576 [pid 6810] munmap(0x7f3940e00000, 138412032 [pid 6805] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 0 [pid 6805] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] munmap(0x7f3940e00000, 138412032 [pid 6805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = 0 [pid 6813] setpgid(0, 0 [pid 6805] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6803] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] <... setpgid resumed>) = 0 [pid 6813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6803] <... futex resumed>) = ? [pid 6810] <... munmap resumed>) = 0 [pid 6813] <... openat resumed>) = 3 [pid 6813] write(3, "1000", 4executing program ) = 4 [pid 6810] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6813] close(3) = 0 [pid 6813] write(1, "executing program\n", 18) = 18 [pid 6813] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6813] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6812] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6811] <... munmap resumed>) = 0 [pid 6810] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6805] +++ killed by SIGBUS +++ [pid 6803] +++ killed by SIGBUS +++ [pid 6813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6811] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6810] close(3 [pid 6813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6811] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6803, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6811] close(3 [pid 6813] <... mmap resumed>) = 0x7f3949327000 [pid 6813] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6813] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} => {parent_tid=[6814]}, 88) = 6814 [pid 6813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6814 attached [pid 6813] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... close resumed>) = 0 [pid 6810] <... close resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6814] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6811] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... rseq resumed>) = 0 [pid 6810] <... futex resumed>) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6810] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] set_robust_list(0x7f39493479a0, 24 [pid 6806] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... set_robust_list resumed>) = 0 [pid 6813] <... futex resumed>) = 0 [pid 6812] <... write resumed>) = 1048576 [pid 6811] <... futex resumed>) = 1 [pid 6807] <... futex resumed>) = 0 [pid 6806] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6814] rt_sigprocmask(SIG_SETMASK, [], [pid 6813] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6812] munmap(0x7f3940e00000, 138412032 [pid 6811] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6807] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6811] <... openat resumed>) = 3 [pid 6810] <... futex resumed>) = 0 [pid 6807] <... futex resumed>) = 1 [pid 6814] memfd_create("syzkaller", 0 [pid 6807] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6812] <... munmap resumed>) = 0 [pid 6810] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000./strace-static-x86_64: Process 6815 attached [pid 6814] <... memfd_create resumed>) = 3 [pid 6811] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] set_robust_list(0x55558704b6a0, 24 [pid 6810] <... openat resumed>) = 3 [pid 6811] <... futex resumed>) = 1 [pid 6815] <... set_robust_list resumed>) = 0 [pid 6814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6811] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6810] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6815 [pid 6806] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... mmap resumed>) = 0x7f3940e00000 [pid 6815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6812] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6806] <... futex resumed>) = 0 [pid 6811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6810] <... futex resumed>) = 1 [pid 6807] <... futex resumed>) = 0 [pid 6812] close(3 [pid 6807] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] <... prctl resumed>) = 0 [pid 6811] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6806] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] <... futex resumed>) = 0 [pid 6807] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6810] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6811] <... mmap resumed>) = 0x200000000000 [pid 6810] <... mmap resumed>) = 0x200000000000 [pid 6815] setpgid(0, 0 [pid 6811] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] <... setpgid resumed>) = 0 [pid 6811] <... futex resumed>) = 1 [pid 6810] <... futex resumed>) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6807] <... futex resumed>) = 0 [pid 6815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6807] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6811] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6806] <... futex resumed>) = 0 [pid 6807] <... futex resumed>) = ? [pid 6810] +++ killed by SIGBUS +++ [pid 6807] +++ killed by SIGBUS +++ [pid 6811] +++ killed by SIGBUS +++ [pid 6815] <... openat resumed>) = 3 [pid 6812] <... close resumed>) = 0 [pid 6812] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] write(3, "1000", 4 [pid 6814] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6812] <... futex resumed>) = 1 [pid 6809] <... futex resumed>) = 0 [pid 6806] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6807, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6815] <... write resumed>) = 4 [pid 6809] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6806, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6815] close(3 [pid 6809] <... futex resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6809] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] <... close resumed>) = 0 [pid 6814] <... write resumed>) = 1048576 [pid 6812] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR executing program [pid 6815] write(1, "executing program\n", 18 [pid 6812] <... openat resumed>) = 3 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6815] <... write resumed>) = 18 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6812] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6809] <... futex resumed>) = 0 [pid 6812] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6816 attached [pid 6815] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6812] <... futex resumed>) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6816] set_robust_list(0x55558704b6a0, 24 [pid 6815] <... futex resumed>) = 0 [pid 6812] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6809] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6816 [pid 6816] <... set_robust_list resumed>) = 0 [pid 6815] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6814] <... munmap resumed>) = 0 [pid 6812] <... mmap resumed>) = 0x200000000000 [pid 6815] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6812] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6814] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6812] <... futex resumed>) = 1 [pid 6809] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6817 attached [pid 6816] <... prctl resumed>) = 0 [pid 6815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6812] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6809] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] setpgid(0, 0 [pid 6815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6814] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6817] set_robust_list(0x55558704b6a0, 24 [pid 6809] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6817 [pid 6817] <... set_robust_list resumed>) = 0 [pid 6816] <... setpgid resumed>) = 0 [pid 6815] <... mmap resumed>) = 0x7f3949327000 [pid 6814] close(3 [pid 6812] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6809] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6815] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6809] <... futex resumed>) = ? [pid 6817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6812] +++ killed by SIGBUS +++ [pid 6815] <... mprotect resumed>) = 0 [pid 6816] <... openat resumed>) = 3 [pid 6815] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6817] <... prctl resumed>) = 0 [pid 6809] +++ killed by SIGBUS +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6809, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6817] setpgid(0, 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6817] <... setpgid resumed>) = 0 [pid 6816] write(3, "1000", 4) = 4 [pid 6815] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6816] close(3 [pid 6815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6818 attached [pid 6817] <... openat resumed>) = 3 [pid 6816] <... close resumed>) = 0 [pid 6816] write(1, "executing program\n", 18executing program [pid 5832] <... restart_syscall resumed>) = 0 [pid 6818] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6817] write(3, "1000", 4 [pid 6816] <... write resumed>) = 18 [pid 6815] <... clone3 resumed> => {parent_tid=[6818]}, 88) = 6818 [pid 6818] <... rseq resumed>) = 0 [pid 6817] <... write resumed>) = 4 [pid 6816] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] rt_sigprocmask(SIG_SETMASK, [], [pid 6818] set_robust_list(0x7f39493479a0, 24 [pid 6817] close(3 [pid 6816] <... futex resumed>) = 0 [pid 6815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6818] <... set_robust_list resumed>) = 0 [pid 6817] <... close resumed>) = 0 [pid 6816] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6815] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6818] rt_sigprocmask(SIG_SETMASK, [], [pid 6817] write(1, "executing program\n", 18 [pid 6816] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6814] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6817] <... write resumed>) = 18 [pid 6816] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6815] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6814] <... futex resumed>) = 1 [pid 6813] <... futex resumed>) = 0 [pid 6818] memfd_create("syzkaller", 0 [pid 6817] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... memfd_create resumed>) = 3 [pid 6817] <... futex resumed>) = 0 [pid 6814] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6813] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6819 attached [pid 6818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6817] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6813] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] set_robust_list(0x55558704b6a0, 24 [pid 6817] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6816] <... mmap resumed>) = 0x7f3949327000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6819 [pid 6818] <... mmap resumed>) = 0x7f3940e00000 [pid 6817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6814] <... openat resumed>) = 3 [pid 6819] <... set_robust_list resumed>) = 0 [pid 6817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6816] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6816] <... mprotect resumed>) = 0 [pid 6819] <... prctl resumed>) = 0 [pid 6816] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6819] setpgid(0, 0) = 0 [pid 6819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6818] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6816] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6814] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... openat resumed>) = 3 [pid 6817] <... mmap resumed>) = 0x7f3949327000 [pid 6814] <... futex resumed>) = 1 [pid 6813] <... futex resumed>) = 0 [pid 6817] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6814] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] write(3, "1000", 4 [pid 6817] <... mprotect resumed>) = 0 [pid 6816] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6813] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6820 attached [pid 6819] <... write resumed>) = 4 [pid 6817] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6814] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6813] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6819] close(3 [pid 6817] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6816] <... clone3 resumed> => {parent_tid=[6820]}, 88) = 6820 [pid 6814] <... mmap resumed>) = 0x200000000000 [pid 6820] <... rseq resumed>) = 0 [pid 6819] <... close resumed>) = 0 [pid 6817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6821 attached [pid 6820] set_robust_list(0x7f39493479a0, 24 [pid 6816] rt_sigprocmask(SIG_SETMASK, [], [pid 6814] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6820] <... set_robust_list resumed>) = 0 [pid 6817] <... clone3 resumed> => {parent_tid=[6821]}, 88) = 6821 [pid 6814] <... futex resumed>) = 1 [pid 6813] <... futex resumed>) = 0 [pid 6821] <... rseq resumed>) = 0 [pid 6820] rt_sigprocmask(SIG_SETMASK, [], [pid 6817] rt_sigprocmask(SIG_SETMASK, [], [pid 6814] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] set_robust_list(0x7f39493479a0, 24 [pid 6820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6813] <... futex resumed>) = 0 [pid 6821] <... set_robust_list resumed>) = 0 [pid 6820] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6817] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6813] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6821] rt_sigprocmask(SIG_SETMASK, [], [pid 6817] <... futex resumed>) = 0 [pid 6821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6819] write(1, "executing program\n", 18 executing program [pid 6817] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] <... futex resumed>) = ? [pid 6821] memfd_create("syzkaller", 0 [pid 6819] <... write resumed>) = 18 [pid 6818] <... write resumed>) = 1048576 [pid 6816] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... futex resumed>) = 0 [pid 6819] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] munmap(0x7f3940e00000, 138412032 [pid 6816] <... futex resumed>) = 1 [pid 6821] <... memfd_create resumed>) = 3 [pid 6820] memfd_create("syzkaller", 0 [pid 6819] <... futex resumed>) = 0 [pid 6816] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6820] <... memfd_create resumed>) = 3 [pid 6819] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6821] <... mmap resumed>) = 0x7f3940e00000 [pid 6820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6818] <... munmap resumed>) = 0 [pid 6819] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6819] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6818] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6814] +++ killed by SIGBUS +++ [pid 6813] +++ killed by SIGBUS +++ [pid 6819] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6813, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 6819] <... mmap resumed>) = 0x7f3949327000 [pid 6819] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6820] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6819] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6818] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6819] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6818] close(3 [pid 6821] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6820] <... write resumed>) = 1048576 [pid 6819] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6818] <... close resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6820] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6822 attached ) = 0 [pid 6819] <... clone3 resumed> => {parent_tid=[6822]}, 88) = 6822 [pid 6822] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6822] <... rseq resumed>) = 0 [pid 6822] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6822] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6823 attached [pid 6821] <... write resumed>) = 1048576 [pid 6819] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6820] close(3 [pid 6823] set_robust_list(0x55558704b6a0, 24 [pid 6821] munmap(0x7f3940e00000, 138412032 [pid 6819] <... futex resumed>) = 1 [pid 6818] <... futex resumed>) = 1 [pid 6815] <... futex resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6823 [pid 6823] <... set_robust_list resumed>) = 0 [pid 6822] <... futex resumed>) = 0 [pid 6821] <... munmap resumed>) = 0 [pid 6819] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6818] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6822] memfd_create("syzkaller", 0 [pid 6820] <... close resumed>) = 0 [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6823] <... prctl resumed>) = 0 [pid 6822] <... memfd_create resumed>) = 3 [pid 6820] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6815] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] setpgid(0, 0 [pid 6822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6821] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6820] <... futex resumed>) = 1 [pid 6818] <... openat resumed>) = 3 [pid 6816] <... futex resumed>) = 0 [pid 6823] <... setpgid resumed>) = 0 [pid 6822] <... mmap resumed>) = 0x7f3940e00000 [pid 6821] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6820] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6818] <... futex resumed>) = 1 [pid 6815] <... futex resumed>) = 0 [pid 6823] <... openat resumed>) = 3 [pid 6821] close(3 [pid 6818] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] write(3, "1000", 4 [pid 6820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6823] <... write resumed>) = 4 [pid 6820] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6816] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6823] close(3 [pid 6822] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6820] <... openat resumed>) = 3 [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6823] <... close resumed>) = 0 [pid 6820] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6823] write(1, "executing program\n", 18 [pid 6820] <... futex resumed>) = 1 [pid 6818] <... mmap resumed>) = 0x200000000000 [pid 6816] <... futex resumed>) = 0 [pid 6823] <... write resumed>) = 18 [pid 6820] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... futex resumed>) = 1 [pid 6816] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6823] <... futex resumed>) = 0 [pid 6818] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6821] <... close resumed>) = 0 [pid 6820] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] <... futex resumed>) = 0 [pid 6823] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6821] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6820] <... mmap resumed>) = 0x200000000000 [pid 6823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6820] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6820] <... futex resumed>) = 1 [pid 6818] +++ killed by SIGBUS +++ [pid 6816] <... futex resumed>) = 0 [pid 6815] +++ killed by SIGBUS +++ [pid 6823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6821] <... futex resumed>) = 1 [pid 6820] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6817] <... futex resumed>) = 0 [pid 6816] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6815, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6823] <... mmap resumed>) = 0x7f3949327000 [pid 6821] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6817] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6823] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6816] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... mprotect resumed>) = 0 [pid 6822] <... write resumed>) = 1048576 [pid 6821] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6817] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = ? [pid 6823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6821] <... openat resumed>) = 3 [pid 6817] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6821] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6821] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6824 attached [pid 6821] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] <... clone3 resumed> => {parent_tid=[6824]}, 88) = 6824 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6824] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6823] rt_sigprocmask(SIG_SETMASK, [], [pid 6817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6824] <... rseq resumed>) = 0 [pid 6823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6822] munmap(0x7f3940e00000, 138412032 [pid 6817] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6824] set_robust_list(0x7f39493479a0, 24 [pid 6823] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... munmap resumed>) = 0 [pid 6823] <... futex resumed>) = 0 [pid 6823] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6822] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6825 attached [pid 6824] <... set_robust_list resumed>) = 0 [pid 6821] <... futex resumed>) = 0 [pid 6820] +++ killed by SIGBUS +++ [pid 6817] <... futex resumed>) = 1 [pid 6816] +++ killed by SIGBUS +++ [pid 6825] set_robust_list(0x55558704b6a0, 24 [pid 6824] rt_sigprocmask(SIG_SETMASK, [], [pid 6822] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6821] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6817] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6825 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6816, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6825] <... set_robust_list resumed>) = 0 [pid 6824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6822] close(3 [pid 6821] <... mmap resumed>) = 0x200000000000 [pid 6825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6824] memfd_create("syzkaller", 0 [pid 6822] <... close resumed>) = 0 [pid 6821] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] <... memfd_create resumed>) = 3 [pid 6825] <... prctl resumed>) = 0 [pid 6822] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] <... futex resumed>) = 1 [pid 6817] <... futex resumed>) = 0 [pid 6824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6825] setpgid(0, 0 [pid 6824] <... mmap resumed>) = 0x7f3940e00000 [pid 6822] <... futex resumed>) = 1 [pid 6821] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6819] <... futex resumed>) = 0 [pid 6817] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6825] <... setpgid resumed>) = 0 [pid 6824] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6822] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6819] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6819] <... futex resumed>) = 0 [pid 6819] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6826 attached [pid 6825] <... openat resumed>) = 3 [pid 6824] <... write resumed>) = 1048576 [pid 6822] <... openat resumed>) = 3 [pid 6821] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6826 [pid 6826] set_robust_list(0x55558704b6a0, 24 [pid 6825] write(3, "1000", 4 [pid 6824] munmap(0x7f3940e00000, 138412032 [pid 6822] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = ? [pid 6826] <... set_robust_list resumed>) = 0 [pid 6825] <... write resumed>) = 4 [pid 6824] <... munmap resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6819] <... futex resumed>) = 0 [pid 6826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6825] close(3 [pid 6822] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6819] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... close resumed>) = 0 [pid 6819] <... futex resumed>) = 0 [pid 6819] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6826] <... prctl resumed>) = 0 executing program [pid 6825] write(1, "executing program\n", 18 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] setpgid(0, 0 [pid 6825] <... write resumed>) = 18 [pid 6824] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6822] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6826] <... setpgid resumed>) = 0 [pid 6825] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6822] <... mmap resumed>) = 0x200000000000 [pid 6826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6825] <... futex resumed>) = 0 [pid 6822] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] +++ killed by SIGBUS +++ [pid 6817] +++ killed by SIGBUS +++ [pid 6825] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6824] close(3 [pid 6822] <... futex resumed>) = 1 [pid 6819] <... futex resumed>) = 0 [pid 6826] <... openat resumed>) = 3 [pid 6825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6819] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6817, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6819] <... futex resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6819] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6822] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5828] <... restart_syscall resumed>) = 0 [pid 6826] write(3, "1000", 4 [pid 6825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6824] <... close resumed>) = 0 [pid 6819] <... futex resumed>) = ? [pid 6826] <... write resumed>) = 4 [pid 6825] <... mmap resumed>) = 0x7f3949327000 [pid 6824] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6826] close(3 [pid 6825] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6824] <... futex resumed>) = 1 [pid 6823] <... futex resumed>) = 0 [pid 6826] <... close resumed>) = 0 [pid 6825] <... mprotect resumed>) = 0 executing program [pid 6824] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] write(1, "executing program\n", 18 [pid 6825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6823] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6826] <... write resumed>) = 18 [pid 6825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6824] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6823] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6826] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6824] <... openat resumed>) = 3 [pid 6826] <... futex resumed>) = 0 [pid 6819] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 6827 attached [pid 6826] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6825] <... clone3 resumed> => {parent_tid=[6827]}, 88) = 6827 [pid 6826] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6825] rt_sigprocmask(SIG_SETMASK, [], [pid 6824] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6824] <... futex resumed>) = 1 [pid 6823] <... futex resumed>) = 0 [pid 6826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6825] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6825] <... futex resumed>) = 0 [pid 6824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6823] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6828 attached [pid 6827] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6826] <... mmap resumed>) = 0x7f3949327000 [pid 6825] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6824] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6823] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6819, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6828] set_robust_list(0x55558704b6a0, 24 [pid 6827] <... rseq resumed>) = 0 [pid 6826] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6824] <... mmap resumed>) = 0x200000000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6828 [pid 6828] <... set_robust_list resumed>) = 0 [pid 6827] set_robust_list(0x7f39493479a0, 24 [pid 6826] <... mprotect resumed>) = 0 [pid 6828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6827] <... set_robust_list resumed>) = 0 [pid 6826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6827] rt_sigprocmask(SIG_SETMASK, [], [pid 6826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6824] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... prctl resumed>) = 0 [pid 6827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6824] <... futex resumed>) = 1 [pid 6823] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6829 attached [pid 6828] setpgid(0, 0 [pid 6827] memfd_create("syzkaller", 0 [pid 6824] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6823] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6828] <... setpgid resumed>) = 0 [pid 6827] <... memfd_create resumed>) = 3 [pid 6826] <... clone3 resumed> => {parent_tid=[6829]}, 88) = 6829 [pid 6824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6823] <... futex resumed>) = 0 [pid 6829] <... rseq resumed>) = 0 [pid 6828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6826] rt_sigprocmask(SIG_SETMASK, [], [pid 6824] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6823] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] set_robust_list(0x7f39493479a0, 24 [pid 6826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6826] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... futex resumed>) = ? [pid 6829] <... set_robust_list resumed>) = 0 [pid 6828] <... openat resumed>) = 3 [pid 6827] <... mmap resumed>) = 0x7f3940e00000 [pid 6826] <... futex resumed>) = 0 [pid 6824] +++ killed by SIGBUS +++ [pid 6823] +++ killed by SIGBUS +++ [pid 6829] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] write(3, "1000", 4 [pid 6826] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6823, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6828] <... write resumed>) = 4 [pid 6829] memfd_create("syzkaller", 0 [pid 6828] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6828] <... close resumed>) = 0 [pid 6828] write(1, "executing program\n", 18executing program [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6828] <... write resumed>) = 18 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6829] <... memfd_create resumed>) = 3 [pid 6828] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6828] <... futex resumed>) = 0 [pid 6828] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 ./strace-static-x86_64: Process 6830 attached [pid 6828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6827] <... write resumed>) = 1048576 [pid 6828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6830] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6829] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6828] <... mmap resumed>) = 0x7f3949327000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6830 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6828] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6827] munmap(0x7f3940e00000, 138412032 [pid 6830] <... prctl resumed>) = 0 [pid 6829] <... write resumed>) = 1048576 [pid 6828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6827] <... munmap resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6830] setpgid(0, 0 [pid 6828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6829] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6831 attached ) = 0 [pid 6827] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6830] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6832 attached [pid 6832] set_robust_list(0x55558704b6a0, 24 [pid 6831] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6832 [pid 6832] <... set_robust_list resumed>) = 0 [pid 6831] <... rseq resumed>) = 0 [pid 6829] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6831] set_robust_list(0x7f39493479a0, 24 [pid 6828] <... clone3 resumed> => {parent_tid=[6831]}, 88) = 6831 [pid 6831] <... set_robust_list resumed>) = 0 [pid 6828] rt_sigprocmask(SIG_SETMASK, [], [pid 6831] rt_sigprocmask(SIG_SETMASK, [], [pid 6828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6828] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6831] memfd_create("syzkaller", 0 [pid 6830] <... openat resumed>) = 3 [pid 6829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6828] <... futex resumed>) = 0 [pid 6827] close(3 [pid 6832] <... prctl resumed>) = 0 [pid 6831] <... memfd_create resumed>) = 3 [pid 6830] write(3, "1000", 4 [pid 6829] close(3 [pid 6828] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6827] <... close resumed>) = 0 [pid 6832] setpgid(0, 0 [pid 6831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6830] <... write resumed>) = 4 [pid 6831] <... mmap resumed>) = 0x7f3940e00000 [pid 6830] close(3 [pid 6829] <... close resumed>) = 0 executing program executing program [pid 6832] <... setpgid resumed>) = 0 [pid 6830] <... close resumed>) = 0 [pid 6830] write(1, "executing program\n", 18) = 18 [pid 6832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6832] write(3, "1000", 4) = 4 [pid 6832] close(3) = 0 [pid 6832] write(1, "executing program\n", 18) = 18 [pid 6832] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6832] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6830] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6830] <... futex resumed>) = 0 [pid 6829] <... futex resumed>) = 1 [pid 6827] <... futex resumed>) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = 0 [pid 6832] <... mprotect resumed>) = 0 [pid 6830] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6829] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6827] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = 0 [pid 6830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6827] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6826] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6829] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6827] <... openat resumed>) = 3 [pid 6832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6829] <... openat resumed>) = 3 [pid 6827] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6833 attached [pid 6830] <... mmap resumed>) = 0x7f3949327000 [pid 6829] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 6833] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6832] <... clone3 resumed> => {parent_tid=[6833]}, 88) = 6833 [pid 6830] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6829] <... futex resumed>) = 1 [pid 6827] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6826] <... futex resumed>) = 0 [pid 6825] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... rseq resumed>) = 0 [pid 6832] rt_sigprocmask(SIG_SETMASK, [], [pid 6830] <... mprotect resumed>) = 0 [pid 6829] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6827] <... mmap resumed>) = 0x200000000000 [pid 6826] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = 0 [pid 6833] set_robust_list(0x7f39493479a0, 24 [pid 6832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6826] <... futex resumed>) = 0 [pid 6833] <... set_robust_list resumed>) = 0 [pid 6832] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6829] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6826] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] rt_sigprocmask(SIG_SETMASK, [], [pid 6832] <... futex resumed>) = 0 [pid 6830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6827] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6834 attached [pid 6833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6832] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6829] <... mmap resumed>) = 0x200000000000 [pid 6827] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 6830] <... clone3 resumed> => {parent_tid=[6834]}, 88) = 6834 [pid 6830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6825] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = 0 [pid 6830] <... futex resumed>) = 0 [pid 6830] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6825] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6833] memfd_create("syzkaller", 0 [pid 6829] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6827] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6834] <... rseq resumed>) = 0 [pid 6826] <... futex resumed>) = 0 [pid 6834] set_robust_list(0x7f39493479a0, 24 [pid 6829] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6834] <... set_robust_list resumed>) = 0 [pid 6833] <... memfd_create resumed>) = 3 [pid 6826] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] rt_sigprocmask(SIG_SETMASK, [], [pid 6833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = ? [pid 6834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6826] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] memfd_create("syzkaller", 0 [pid 6833] <... mmap resumed>) = 0x7f3940e00000 [pid 6829] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6834] <... memfd_create resumed>) = 3 [pid 6833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6831] <... write resumed>) = 1048576 [pid 6827] +++ killed by SIGBUS +++ [pid 6826] <... futex resumed>) = ? [pid 6825] +++ killed by SIGBUS +++ [pid 6834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6825, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6829] +++ killed by SIGBUS +++ [pid 6826] +++ killed by SIGBUS +++ [pid 6831] munmap(0x7f3940e00000, 138412032 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6826, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6835 attached [pid 6835] set_robust_list(0x55558704b6a0, 24 [pid 6834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6833] <... write resumed>) = 1048576 [pid 6831] <... munmap resumed>) = 0 [pid 6835] <... set_robust_list resumed>) = 0 [pid 6835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6833] munmap(0x7f3940e00000, 138412032 [pid 6831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6835 [pid 6835] <... prctl resumed>) = 0 [pid 6835] setpgid(0, 0 [pid 6831] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6835] <... setpgid resumed>) = 0 [pid 6835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6831] close(3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6835] <... openat resumed>) = 3 [pid 6834] <... write resumed>) = 1048576 [pid 6833] <... munmap resumed>) = 0 [pid 6831] <... close resumed>) = 0 [pid 6834] munmap(0x7f3940e00000, 138412032 [pid 6833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6831] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6835] write(3, "1000", 4 [pid 6834] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6836 attached [pid 6836] set_robust_list(0x55558704b6a0, 24 [pid 6835] <... write resumed>) = 4 [pid 6834] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6833] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6831] <... futex resumed>) = 1 [pid 6828] <... futex resumed>) = 0 [pid 6836] <... set_robust_list resumed>) = 0 [pid 6835] close(3 [pid 6834] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6833] close(3 [pid 6831] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6836 [pid 6836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6835] <... close resumed>) = 0 [pid 6834] close(3 [pid 6833] <... close resumed>) = 0 [pid 6831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6828] <... futex resumed>) = 0 [pid 6836] <... prctl resumed>) = 0 executing program [pid 6835] write(1, "executing program\n", 18 [pid 6833] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6836] setpgid(0, 0 [pid 6835] <... write resumed>) = 18 [pid 6833] <... futex resumed>) = 1 [pid 6832] <... futex resumed>) = 0 [pid 6831] <... openat resumed>) = 3 [pid 6828] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] <... setpgid resumed>) = 0 [pid 6835] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6835] <... futex resumed>) = 0 [pid 6833] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6832] <... futex resumed>) = 0 [pid 6831] <... futex resumed>) = 0 [pid 6828] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] <... openat resumed>) = 3 [pid 6835] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6834] <... close resumed>) = 0 [pid 6833] <... openat resumed>) = 3 [pid 6832] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6836] write(3, "1000", 4 [pid 6835] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6834] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] <... mmap resumed>) = 0x200000000000 [pid 6828] <... futex resumed>) = 0 [pid 6836] <... write resumed>) = 4 [pid 6835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6834] <... futex resumed>) = 1 [pid 6833] <... futex resumed>) = 1 [pid 6832] <... futex resumed>) = 0 [pid 6831] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = 0 [pid 6828] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] close(3 [pid 6835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6834] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6833] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6832] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] <... futex resumed>) = 0 [pid 6830] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] <... close resumed>) = 0 [pid 6835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 6834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6833] <... mmap resumed>) = 0x200000000000 [pid 6832] <... futex resumed>) = 0 [pid 6831] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6830] <... futex resumed>) = 0 [pid 6828] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] write(1, "executing program\n", 18 [pid 6835] <... mmap resumed>) = 0x7f3949327000 [pid 6834] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6830] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... futex resumed>) = 0 [pid 6836] <... write resumed>) = 18 [pid 6835] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6834] <... openat resumed>) = 3 [pid 6833] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6828] ???( [pid 6836] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... mprotect resumed>) = 0 [pid 6834] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6828] <... ??? resumed>) = ? [pid 6836] <... futex resumed>) = 0 [pid 6835] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6834] <... futex resumed>) = 1 [pid 6833] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] +++ killed by SIGBUS +++ [pid 6830] <... futex resumed>) = 0 [pid 6836] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6835] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6834] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6832] <... futex resumed>) = 0 [pid 6836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6833] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6832] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6837 attached [pid 6836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6834] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6832] <... futex resumed>) = ? [pid 6830] <... futex resumed>) = 0 [pid 6828] +++ killed by SIGBUS +++ [pid 6837] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6835] <... clone3 resumed> => {parent_tid=[6837]}, 88) = 6837 [pid 6834] <... mmap resumed>) = 0x200000000000 [pid 6833] +++ killed by SIGBUS +++ [pid 6832] +++ killed by SIGBUS +++ [pid 6830] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6828, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6837] <... rseq resumed>) = 0 [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6834] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6832, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6837] set_robust_list(0x7f39493479a0, 24 [pid 6834] <... futex resumed>) = 0 [pid 6830] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... set_robust_list resumed>) = 0 [pid 6836] <... mmap resumed>) = 0x7f3949327000 [pid 6837] rt_sigprocmask(SIG_SETMASK, [], [pid 6836] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6835] rt_sigprocmask(SIG_SETMASK, [], [pid 6834] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6830] <... futex resumed>) = 0 [pid 6837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6836] <... mprotect resumed>) = 0 [pid 6835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6835] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] memfd_create("syzkaller", 0 [pid 6836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6835] <... futex resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6835] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6837] <... memfd_create resumed>) = 3 [pid 6836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6834] +++ killed by SIGBUS +++ [pid 6830] +++ killed by SIGBUS +++ [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6830, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6839 attached ./strace-static-x86_64: Process 6838 attached [pid 6837] <... mmap resumed>) = 0x7f3940e00000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6839] set_robust_list(0x55558704b6a0, 24 [pid 6838] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6836] <... clone3 resumed> => {parent_tid=[6838]}, 88) = 6838 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6838] set_robust_list(0x7f39493479a0, 24 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6836] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6836] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6839 [pid 6839] <... set_robust_list resumed>) = 0 [pid 6838] <... set_robust_list resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6837] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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./strace-static-x86_64: Process 6840 attached [pid 6839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6838] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6838] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6841 attached [pid 6840] set_robust_list(0x55558704b6a0, 24 [pid 6838] memfd_create("syzkaller", 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6840 [pid 6839] <... prctl resumed>) = 0 [pid 6839] setpgid(0, 0) = 0 [pid 6840] <... set_robust_list resumed>) = 0 [pid 6839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6838] <... memfd_create resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6841 [pid 6840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6839] <... openat resumed>) = 3 [pid 6838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6839] write(3, "1000", 4 [pid 6841] set_robust_list(0x55558704b6a0, 24 [pid 6838] <... mmap resumed>) = 0x7f3940e00000 [pid 6839] <... write resumed>) = 4 [pid 6839] close(3executing program ) = 0 [pid 6841] <... set_robust_list resumed>) = 0 [pid 6840] <... prctl resumed>) = 0 [pid 6840] setpgid(0, 0 [pid 6839] write(1, "executing program\n", 18 [pid 6841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6839] <... write resumed>) = 18 [pid 6839] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6839] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6839] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6842 attached => {parent_tid=[6842]}, 88) = 6842 [pid 6839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6839] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6839] <... futex resumed>) = 0 [pid 6842] <... rseq resumed>) = 0 [pid 6839] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6837] <... write resumed>) = 1048576 [pid 6842] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6842] memfd_create("syzkaller", 0) = 3 [pid 6841] <... prctl resumed>) = 0 [pid 6840] <... setpgid resumed>) = 0 [pid 6838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6837] munmap(0x7f3940e00000, 138412032 [pid 6842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6841] setpgid(0, 0 [pid 6840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6842] <... mmap resumed>) = 0x7f3940e00000 [pid 6841] <... setpgid resumed>) = 0 [pid 6840] <... openat resumed>) = 3 [pid 6837] <... munmap resumed>) = 0 [pid 6841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6840] write(3, "1000", 4 [pid 6841] <... openat resumed>) = 3 [pid 6840] <... write resumed>) = 4 [pid 6840] close(3 [pid 6837] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6840] <... close resumed>) = 0 [pid 6837] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6841] write(3, "1000", 4 [pid 6840] write(1, "executing program\n", 18 [pid 6837] close(3executing program [pid 6841] <... write resumed>) = 4 [pid 6840] <... write resumed>) = 18 [pid 6841] close(3) = 0 [pid 6840] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6841] write(1, "executing program\n", 18 [pid 6840] <... futex resumed>) = 0 [pid 6841] <... write resumed>) = 18 [pid 6841] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6841] <... futex resumed>) = 0 [pid 6840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6841] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6841] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6840] <... mmap resumed>) = 0x7f3949327000 [pid 6841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6841] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6840] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6841] <... mmap resumed>) = 0x7f3949327000 [pid 6840] <... mprotect resumed>) = 0 [pid 6841] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6841] <... mprotect resumed>) = 0 [pid 6841] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6843 attached [pid 6841] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6843] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6841] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6843] <... rseq resumed>) = 0 [pid 6840] <... clone3 resumed> => {parent_tid=[6843]}, 88) = 6843 [pid 6843] set_robust_list(0x7f39493479a0, 24 [pid 6841] <... clone3 resumed> => {parent_tid=[6844]}, 88) = 6844 [pid 6840] rt_sigprocmask(SIG_SETMASK, [], [pid 6843] <... set_robust_list resumed>) = 0 [pid 6841] rt_sigprocmask(SIG_SETMASK, [], [pid 6840] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6844 attached [pid 6843] rt_sigprocmask(SIG_SETMASK, [], [pid 6841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6840] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6843] memfd_create("syzkaller", 0 [pid 6841] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... futex resumed>) = 0 [pid 6841] <... futex resumed>) = 0 [pid 6841] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6840] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6843] <... memfd_create resumed>) = 3 [pid 6843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6844] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6843] <... mmap resumed>) = 0x7f3940e00000 [pid 6842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6838] <... write resumed>) = 1048576 [pid 6837] <... close resumed>) = 0 [pid 6844] <... rseq resumed>) = 0 [pid 6838] munmap(0x7f3940e00000, 138412032 [pid 6837] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6837] <... futex resumed>) = 1 [pid 6835] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6835] <... futex resumed>) = 0 [pid 6835] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] set_robust_list(0x7f39493479a0, 24 [pid 6837] <... openat resumed>) = 3 [pid 6844] <... set_robust_list resumed>) = 0 [pid 6844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6844] memfd_create("syzkaller", 0 [pid 6843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6844] <... memfd_create resumed>) = 3 [pid 6838] <... munmap resumed>) = 0 [pid 6837] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6837] <... futex resumed>) = 1 [pid 6835] <... futex resumed>) = 0 [pid 6837] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] <... futex resumed>) = 0 [pid 6837] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6835] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6838] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6837] <... mmap resumed>) = 0x200000000000 [pid 6838] close(3 [pid 6837] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... mmap resumed>) = 0x7f3940e00000 [pid 6837] <... futex resumed>) = 1 [pid 6835] <... futex resumed>) = 0 [pid 6837] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] <... futex resumed>) = 0 [pid 6844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6838] <... close resumed>) = 0 [pid 6837] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6835] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] <... write resumed>) = 1048576 [pid 6838] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = ? [pid 6837] +++ killed by SIGBUS +++ [pid 6842] <... write resumed>) = 1048576 [pid 6835] +++ killed by SIGBUS +++ [pid 6842] munmap(0x7f3940e00000, 138412032 [pid 6838] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 6843] munmap(0x7f3940e00000, 138412032 [pid 6838] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... write resumed>) = 1048576 [pid 6842] <... munmap resumed>) = 0 [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6835, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6843] <... munmap resumed>) = 0 [pid 6844] munmap(0x7f3940e00000, 138412032 [pid 6843] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6842] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6838] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6836] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6844] <... munmap resumed>) = 0 [pid 6843] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6836] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 6838] <... openat resumed>) = 3 [pid 6844] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6843] close(3 [pid 6842] close(3 [pid 6838] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6843] <... close resumed>) = 0 [pid 6838] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 6836] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6844] close(3 [pid 6843] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6836] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6840] <... futex resumed>) = 0 [pid 6843] <... futex resumed>) = 1 [pid 6838] <... mmap resumed>) = 0x200000000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6843] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6840] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] <... openat resumed>) = 3 [pid 6840] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6843] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6843] <... futex resumed>) = 0 [pid 6842] <... close resumed>) = 0 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] <... futex resumed>) = 0 [pid 6842] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... futex resumed>) = 1 [pid 6839] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6845 attached [pid 6842] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6845] set_robust_list(0x55558704b6a0, 24 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] <... futex resumed>) = 0 [pid 6838] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6845] <... set_robust_list resumed>) = 0 [pid 6843] <... mmap resumed>) = 0x200000000000 [pid 6842] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6840] <... futex resumed>) = 0 [pid 6839] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] <... futex resumed>) = ? [pid 6845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6843] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... openat resumed>) = 3 [pid 6840] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... prctl resumed>) = 0 [pid 6843] <... futex resumed>) = 0 [pid 6842] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6845 [pid 6842] <... futex resumed>) = 1 [pid 6839] <... futex resumed>) = 0 [pid 6842] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] setpgid(0, 0 [pid 6843] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] <... futex resumed>) = 0 [pid 6845] <... setpgid resumed>) = 0 [pid 6842] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6839] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6842] <... mmap resumed>) = 0x200000000000 [pid 6840] <... futex resumed>) = ? [pid 6838] +++ killed by SIGBUS +++ [pid 6836] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6836, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6844] <... close resumed>) = 0 [pid 6844] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... openat resumed>) = 3 [pid 6844] <... futex resumed>) = 1 [pid 6842] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = 1 [pid 6839] <... futex resumed>) = 0 [pid 6842] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6839] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6844] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6841] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] write(3, "1000", 4 [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6841] <... futex resumed>) = 0 [pid 6839] <... futex resumed>) = ? [pid 6845] <... write resumed>) = 4 [pid 6844] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6841] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] close(3) = 0 [pid 6844] <... openat resumed>) = 3 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6845] write(1, "executing program\n", 18 [pid 6844] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] +++ killed by SIGBUS +++ [pid 6842] +++ killed by SIGBUS +++ [pid 6840] +++ killed by SIGBUS +++ [pid 6839] +++ killed by SIGBUS +++ executing program [pid 6845] <... write resumed>) = 18 [pid 6844] <... futex resumed>) = 1 [pid 6841] <... futex resumed>) = 0 [pid 6845] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6841] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6840, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6839, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6845] <... futex resumed>) = 0 [pid 6844] <... mmap resumed>) = 0x200000000000 [pid 6841] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6845] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6844] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6846 attached [pid 6845] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6844] <... futex resumed>) = 0 [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6848 attached ./strace-static-x86_64: Process 6847 attached [pid 6846] set_robust_list(0x55558704b6a0, 24 [pid 6845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6844] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6841] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6846 [pid 6848] set_robust_list(0x55558704b6a0, 24 [pid 6847] set_robust_list(0x55558704b6a0, 24 [pid 6846] <... set_robust_list resumed>) = 0 [pid 6845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6841] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6847 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6848 [pid 6848] <... set_robust_list resumed>) = 0 [pid 6847] <... set_robust_list resumed>) = 0 [pid 6845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6844] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6841] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6845] <... mmap resumed>) = 0x7f3949327000 [pid 6841] <... futex resumed>) = ? [pid 6848] <... prctl resumed>) = 0 [pid 6846] <... prctl resumed>) = 0 [pid 6848] setpgid(0, 0 [pid 6847] <... prctl resumed>) = 0 [pid 6846] setpgid(0, 0 [pid 6848] <... setpgid resumed>) = 0 [pid 6847] setpgid(0, 0 [pid 6846] <... setpgid resumed>) = 0 [pid 6845] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6847] <... setpgid resumed>) = 0 [pid 6847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6845] <... mprotect resumed>) = 0 [pid 6846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6845] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6848] <... openat resumed>) = 3 [pid 6847] <... openat resumed>) = 3 [pid 6846] <... openat resumed>) = 3 [pid 6845] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6844] +++ killed by SIGBUS +++ [pid 6841] +++ killed by SIGBUS +++ [pid 6848] write(3, "1000", 4 [pid 6846] write(3, "1000", 4 [pid 6845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6848] <... write resumed>) = 4 [pid 6846] <... write resumed>) = 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6841, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6849 attached [pid 6848] close(3 [pid 6847] write(3, "1000", 4 [pid 6846] close(3 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6849] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6848] <... close resumed>) = 0 [pid 6847] <... write resumed>) = 4 [pid 6849] <... rseq resumed>) = 0 [pid 6848] write(1, "executing program\n", 18 [pid 6847] close(3 [pid 6846] <... close resumed>) = 0 [pid 6845] <... clone3 resumed> => {parent_tid=[6849]}, 88) = 6849 [pid 6849] set_robust_list(0x7f39493479a0, 24 [pid 6848] <... write resumed>) = 18 [pid 6847] <... close resumed>) = 0 executing program executing program executing program [pid 6846] write(1, "executing program\n", 18 [pid 6845] rt_sigprocmask(SIG_SETMASK, [], [pid 6849] <... set_robust_list resumed>) = 0 [pid 6848] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] write(1, "executing program\n", 18 [pid 6846] <... write resumed>) = 18 [pid 6845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6849] rt_sigprocmask(SIG_SETMASK, [], [pid 6848] <... futex resumed>) = 0 [pid 6847] <... write resumed>) = 18 [pid 6846] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6848] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6847] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6849] memfd_create("syzkaller", 0 [pid 6848] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6847] <... futex resumed>) = 0 [pid 6846] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6845] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6849] <... memfd_create resumed>) = 3 [pid 6848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6847] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6846] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6849] <... mmap resumed>) = 0x7f3940e00000 [pid 6848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6848] <... mmap resumed>) = 0x7f3949327000 [pid 6847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6847] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6848] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6848] <... mprotect resumed>) = 0 [pid 6846] <... mmap resumed>) = 0x7f3949327000 [pid 6847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6846] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6850 attached [pid 6850] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6847] <... clone3 resumed> => {parent_tid=[6850]}, 88) = 6850 [pid 6846] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6852 attached ./strace-static-x86_64: Process 6851 attached [pid 6850] <... rseq resumed>) = 0 [pid 6847] rt_sigprocmask(SIG_SETMASK, [], [pid 6850] set_robust_list(0x7f39493479a0, 24 [pid 6847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6850] <... set_robust_list resumed>) = 0 [pid 6847] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] rt_sigprocmask(SIG_SETMASK, [], [pid 6847] <... futex resumed>) = 0 [pid 6850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6847] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6850] memfd_create("syzkaller", 0 [pid 6848] <... clone3 resumed> => {parent_tid=[6851]}, 88) = 6851 [pid 6852] set_robust_list(0x55558704b6a0, 24 [pid 6851] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6852] <... set_robust_list resumed>) = 0 [pid 6851] <... rseq resumed>) = 0 [pid 6848] rt_sigprocmask(SIG_SETMASK, [], [pid 6846] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6852 [pid 6851] set_robust_list(0x7f39493479a0, 24 [pid 6848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6846] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6851] <... set_robust_list resumed>) = 0 [pid 6848] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6851] rt_sigprocmask(SIG_SETMASK, [], [pid 6848] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6853 attached [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6850] <... memfd_create resumed>) = 3 [pid 6848] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6853] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6852] <... prctl resumed>) = 0 [pid 6851] memfd_create("syzkaller", 0 [pid 6850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6846] <... clone3 resumed> => {parent_tid=[6853]}, 88) = 6853 [pid 6853] <... rseq resumed>) = 0 [pid 6852] setpgid(0, 0 [pid 6851] <... memfd_create resumed>) = 3 [pid 6850] <... mmap resumed>) = 0x7f3940e00000 [pid 6849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6853] set_robust_list(0x7f39493479a0, 24 [pid 6852] <... setpgid resumed>) = 0 [pid 6851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6846] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] <... set_robust_list resumed>) = 0 [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6853] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] <... mmap resumed>) = 0x7f3940e00000 [pid 6846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6846] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 0 [pid 6846] <... futex resumed>) = 1 [pid 6853] memfd_create("syzkaller", 0 [pid 6852] <... openat resumed>) = 3 [pid 6850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6853] <... memfd_create resumed>) = 3 [pid 6853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6846] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6852] write(3, "1000", 4 [pid 6853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6852] <... write resumed>) = 4 [pid 6849] <... write resumed>) = 1048576 [pid 6852] close(3) = 0 [pid 6851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6850] <... write resumed>) = 1048576 [pid 6849] munmap(0x7f3940e00000, 138412032 [pid 6852] write(1, "executing program\n", 18executing program [pid 6853] <... write resumed>) = 1048576 [pid 6851] <... write resumed>) = 1048576 [pid 6850] munmap(0x7f3940e00000, 138412032 [pid 6849] <... munmap resumed>) = 0 [pid 6853] munmap(0x7f3940e00000, 138412032 [pid 6852] <... write resumed>) = 18 [pid 6851] munmap(0x7f3940e00000, 138412032 [pid 6850] <... munmap resumed>) = 0 [pid 6849] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6853] <... munmap resumed>) = 0 [pid 6852] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... munmap resumed>) = 0 [pid 6850] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6852] <... futex resumed>) = 0 [pid 6851] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6849] close(3 [pid 6853] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6852] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6850] close(3 [pid 6853] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6851] close(3 [pid 6850] <... close resumed>) = 0 [pid 6849] <... close resumed>) = 0 [pid 6853] close(3 [pid 6852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6852] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6853] <... close resumed>) = 0 [pid 6852] <... mprotect resumed>) = 0 [pid 6852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6850] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6850] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6855 attached [pid 6850] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6847] <... futex resumed>) = 0 [pid 6855] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6847] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... rseq resumed>) = 0 [pid 6853] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... futex resumed>) = 0 [pid 6847] <... futex resumed>) = 1 [pid 6855] set_robust_list(0x7f39493479a0, 24 [pid 6853] <... futex resumed>) = 1 [pid 6850] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6849] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6846] <... futex resumed>) = 0 [pid 6855] <... set_robust_list resumed>) = 0 [pid 6853] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... clone3 resumed> => {parent_tid=[6855]}, 88) = 6855 [pid 6850] <... openat resumed>) = 3 [pid 6849] <... futex resumed>) = 1 [pid 6846] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 0 [pid 6855] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6851] <... close resumed>) = 0 [pid 6850] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... futex resumed>) = 0 [pid 6845] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6851] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... futex resumed>) = 1 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6847] <... futex resumed>) = 0 [pid 6846] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... futex resumed>) = 0 [pid 6852] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... futex resumed>) = 1 [pid 6849] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6848] <... futex resumed>) = 0 [pid 6845] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... futex resumed>) = 0 [pid 6848] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] memfd_create("syzkaller", 0 [pid 6853] <... openat resumed>) = 3 [pid 6852] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6851] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6850] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6849] <... openat resumed>) = 3 [pid 6848] <... futex resumed>) = 0 [pid 6847] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... memfd_create resumed>) = 3 [pid 6853] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... openat resumed>) = 3 [pid 6850] <... mmap resumed>) = 0x200000000000 [pid 6849] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] <... futex resumed>) = 0 [pid 6855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6853] <... futex resumed>) = 1 [pid 6851] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = 1 [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6847] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6846] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6855] <... mmap resumed>) = 0x7f3940e00000 [pid 6853] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] <... futex resumed>) = 0 [pid 6850] <... futex resumed>) = 0 [pid 6849] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6848] <... futex resumed>) = 0 [pid 6847] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6850] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6853] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6851] <... mmap resumed>) = 0x200000000000 [pid 6849] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6848] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] <... futex resumed>) = 0 [pid 6846] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... mmap resumed>) = 0x200000000000 [pid 6849] <... mmap resumed>) = 0x200000000000 [pid 6847] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6848] <... futex resumed>) = 0 [pid 6851] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6849] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] ???( [pid 6849] <... futex resumed>) = 1 [pid 6845] <... futex resumed>) = 0 [pid 6849] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6848] <... ??? resumed>) = ? [pid 6845] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] +++ killed by SIGBUS +++ [pid 6848] +++ killed by SIGBUS +++ [pid 6845] <... futex resumed>) = ? [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6848, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6853] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = ? [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6853] <... futex resumed>) = 1 [pid 6846] <... futex resumed>) = 0 [pid 6846] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6846] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6855] <... write resumed>) = 1048576 [pid 6850] +++ killed by SIGBUS +++ [pid 6849] +++ killed by SIGBUS +++ [pid 6847] +++ killed by SIGBUS +++ [pid 6846] <... futex resumed>) = ? [pid 6845] +++ killed by SIGBUS +++ [pid 5826] <... restart_syscall resumed>) = 0 [pid 6853] +++ killed by SIGBUS +++ [pid 6855] munmap(0x7f3940e00000, 138412032) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6845, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6847, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6855] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6855] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6846] +++ killed by SIGBUS +++ [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6855] close(3 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6846, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6856 attached ./strace-static-x86_64: Process 6858 attached ./strace-static-x86_64: Process 6857 attached [pid 6855] <... close resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6856 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6857] set_robust_list(0x55558704b6a0, 24 [pid 6856] set_robust_list(0x55558704b6a0, 24 [pid 6858] set_robust_list(0x55558704b6a0, 24 [pid 6857] <... set_robust_list resumed>) = 0 [pid 6856] <... set_robust_list resumed>) = 0 [pid 6855] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6858 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6857 [pid 6858] <... set_robust_list resumed>) = 0 [pid 6855] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6855] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6858] <... prctl resumed>) = 0 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6858] setpgid(0, 0 [pid 6855] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6852] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] <... setpgid resumed>) = 0 [pid 6857] <... prctl resumed>) = 0 [pid 6856] <... prctl resumed>) = 0 [pid 6855] <... openat resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6857] setpgid(0, 0 [pid 6856] setpgid(0, 0 [pid 6855] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... openat resumed>) = 3 [pid 6857] <... setpgid resumed>) = 0 [pid 6856] <... setpgid resumed>) = 0 [pid 6855] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6858] write(3, "1000", 4 [pid 6855] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6852] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... write resumed>) = 4 [pid 6857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6855] <... mmap resumed>) = 0x200000000000 [pid 6852] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6858] close(3 [pid 6852] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] <... close resumed>) = 0 executing program [pid 6858] write(1, "executing program\n", 18 [pid 6855] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... write resumed>) = 18 [pid 6855] <... futex resumed>) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6858] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6852] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = ? [pid 6858] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 6859 attached NULL, 8) = 0 [pid 6859] set_robust_list(0x55558704b6a0, 24 [pid 6858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6857] <... openat resumed>) = 3 [pid 6856] <... openat resumed>) = 3 [pid 6855] +++ killed by SIGBUS +++ [pid 6852] +++ killed by SIGBUS +++ [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6859 [pid 6857] write(3, "1000", 4 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6857] <... write resumed>) = 4 [pid 6856] write(3, "1000", 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6852, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6857] close(3 [pid 6856] <... write resumed>) = 4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6858] <... mmap resumed>) = 0x7f3949327000 [pid 6857] <... close resumed>) = 0 [pid 6856] close(3 [pid 5832] <... restart_syscall resumed>) = 0 executing program [pid 6857] write(1, "executing program\n", 18 [pid 6856] <... close resumed>) = 0 [pid 6857] <... write resumed>) = 18 [pid 6856] write(1, "executing program\n", 18 [pid 6857] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6859] <... prctl resumed>) = 0 [pid 6858] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6859] setpgid(0, 0 [pid 6858] <... mprotect resumed>) = 0 [pid 6857] <... futex resumed>) = 0 [pid 6856] <... write resumed>) = 18 [pid 6859] <... setpgid resumed>) = 0 [pid 6858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6857] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6857] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6856] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6859] <... openat resumed>) = 3 [pid 6858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6856] <... futex resumed>) = 0 [pid 6859] write(3, "1000", 4 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6859] <... write resumed>) = 4 [pid 6858] <... clone3 resumed> => {parent_tid=[6860]}, 88) = 6860 ./strace-static-x86_64: Process 6860 attached [pid 6859] close(3 [pid 6858] rt_sigprocmask(SIG_SETMASK, [], [pid 6857] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6856] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6860] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6856] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6859] <... close resumed>) = 0 [pid 6858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6859] write(1, "executing program\n", 18 [pid 6858] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... write resumed>) = 18 [pid 6858] <... futex resumed>) = 0 [pid 6859] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6859] <... futex resumed>) = 0 [pid 6859] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 6861 attached [pid 6860] <... rseq resumed>) = 0 [pid 6859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6857] <... mmap resumed>) = 0x7f3949327000 [pid 6856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6861] set_robust_list(0x55558704b6a0, 24 [pid 6860] set_robust_list(0x7f39493479a0, 24 [pid 6857] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6861 [pid 6861] <... set_robust_list resumed>) = 0 [pid 6860] <... set_robust_list resumed>) = 0 [pid 6856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6860] rt_sigprocmask(SIG_SETMASK, [], [pid 6859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6856] <... mmap resumed>) = 0x7f3949327000 [pid 6861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6857] <... mprotect resumed>) = 0 [pid 6861] <... prctl resumed>) = 0 [pid 6860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6856] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6861] setpgid(0, 0 [pid 6860] memfd_create("syzkaller", 0 [pid 6859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6857] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6861] <... setpgid resumed>) = 0 [pid 6860] <... memfd_create resumed>) = 3 [pid 6859] <... mmap resumed>) = 0x7f3949327000 [pid 6857] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6856] <... mprotect resumed>) = 0 [pid 6861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6859] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6860] <... mmap resumed>) = 0x7f3940e00000 [pid 6859] <... mprotect resumed>) = 0 [pid 6856] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6862 attached [pid 6861] <... openat resumed>) = 3 [pid 6859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6862] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6862] set_robust_list(0x7f39493479a0, 24 [pid 6859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6863 attached [pid 6862] <... set_robust_list resumed>) = 0 [pid 6857] <... clone3 resumed> => {parent_tid=[6862]}, 88) = 6862 [pid 6856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6863] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6861] write(3, "1000", 4 [pid 6857] rt_sigprocmask(SIG_SETMASK, [], [pid 6856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6863] <... rseq resumed>) = 0 [pid 6861] <... write resumed>) = 4 [pid 6857] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6864 attached [pid 6863] set_robust_list(0x7f39493479a0, 24 [pid 6862] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6861] close(3 [pid 6859] <... clone3 resumed> => {parent_tid=[6863]}, 88) = 6863 [pid 6857] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6863] <... set_robust_list resumed>) = 0 [pid 6862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6861] <... close resumed>) = 0 [pid 6859] rt_sigprocmask(SIG_SETMASK, [], [pid 6857] <... futex resumed>) = 0 [pid 6856] <... clone3 resumed> => {parent_tid=[6864]}, 88) = 6864 [pid 6863] rt_sigprocmask(SIG_SETMASK, [], [pid 6861] write(1, "executing program\n", 18 [pid 6857] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6856] rt_sigprocmask(SIG_SETMASK, [], [pid 6863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6861] <... write resumed>) = 18 [pid 6856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6863] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = 0 [pid 6861] <... futex resumed>) = 0 [pid 6856] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6861] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6864] <... rseq resumed>) = 0 [pid 6862] memfd_create("syzkaller", 0 [pid 6861] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6864] set_robust_list(0x7f39493479a0, 24 [pid 6862] <... memfd_create resumed>) = 3 [pid 6861] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6859] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... set_robust_list resumed>) = 0 [pid 6863] <... futex resumed>) = 0 [pid 6862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6860] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6859] <... futex resumed>) = 1 [pid 6864] rt_sigprocmask(SIG_SETMASK, [], [pid 6863] memfd_create("syzkaller", 0 [pid 6862] <... mmap resumed>) = 0x7f3940e00000 [pid 6861] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6859] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6863] <... memfd_create resumed>) = 3 [pid 6861] <... mmap resumed>) = 0x7f3949327000 [pid 6863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6861] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6864] memfd_create("syzkaller", 0 [pid 6863] <... mmap resumed>) = 0x7f3940e00000 [pid 6861] <... mprotect resumed>) = 0 [pid 6864] <... memfd_create resumed>) = 3 [pid 6864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6861] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6862] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6861] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6860] <... write resumed>) = 1048576 [pid 6861] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6860] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6865 attached ) = 0 [pid 6865] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6861] <... clone3 resumed> => {parent_tid=[6865]}, 88) = 6865 [pid 6860] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6865] <... rseq resumed>) = 0 [pid 6861] rt_sigprocmask(SIG_SETMASK, [], [pid 6865] set_robust_list(0x7f39493479a0, 24 [pid 6861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6860] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6865] <... set_robust_list resumed>) = 0 [pid 6861] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] close(3 [pid 6865] rt_sigprocmask(SIG_SETMASK, [], [pid 6861] <... futex resumed>) = 0 [pid 6865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6861] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6865] memfd_create("syzkaller", 0 [pid 6864] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6865] <... memfd_create resumed>) = 3 [pid 6865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6864] <... write resumed>) = 1048576 [pid 6863] <... write resumed>) = 1048576 [pid 6862] <... write resumed>) = 1048576 [pid 6860] <... close resumed>) = 0 [pid 6865] <... mmap resumed>) = 0x7f3940e00000 [pid 6864] munmap(0x7f3940e00000, 138412032 [pid 6863] munmap(0x7f3940e00000, 138412032 [pid 6862] munmap(0x7f3940e00000, 138412032 [pid 6860] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... munmap resumed>) = 0 [pid 6863] <... munmap resumed>) = 0 [pid 6862] <... munmap resumed>) = 0 [pid 6860] <... futex resumed>) = 1 [pid 6860] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6858] <... futex resumed>) = 0 [pid 6864] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6862] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6863] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6858] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6863] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6862] close(3 [pid 6860] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6858] <... futex resumed>) = 0 [pid 6865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6863] close(3 [pid 6864] close(3 [pid 6858] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6860] <... openat resumed>) = 3 [pid 6860] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6860] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [pid 6858] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6860] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6864] <... close resumed>) = 0 [pid 6862] <... close resumed>) = 0 [pid 6860] <... mmap resumed>) = 0x200000000000 [pid 6862] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... write resumed>) = 1048576 [pid 6864] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] <... close resumed>) = 0 [pid 6862] <... futex resumed>) = 1 [pid 6860] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6865] munmap(0x7f3940e00000, 138412032 [pid 6860] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... futex resumed>) = 1 [pid 6862] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6860] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = 0 [pid 6864] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6863] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... openat resumed>) = 3 [pid 6860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [pid 6856] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6863] <... futex resumed>) = 1 [pid 6862] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6859] <... futex resumed>) = 0 [pid 6858] ???( [pid 6857] <... futex resumed>) = 0 [pid 6865] <... munmap resumed>) = 0 [pid 6864] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6863] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 0 [pid 6859] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... ??? resumed>) = ? [pid 6857] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... futex resumed>) = 0 [pid 6865] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6864] <... openat resumed>) = 3 [pid 6863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] +++ killed by SIGBUS +++ [pid 6865] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6856] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] close(3 [pid 6857] <... futex resumed>) = 0 [pid 6864] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6859] <... futex resumed>) = 0 [pid 6858] +++ killed by SIGBUS +++ [pid 6864] <... futex resumed>) = 1 [pid 6863] <... openat resumed>) = 3 [pid 6862] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6859] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... futex resumed>) = 0 [pid 6864] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6863] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... mmap resumed>) = 0x200000000000 [pid 6859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6858, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6856] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... close resumed>) = 0 [pid 6864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6863] <... futex resumed>) = 0 [pid 6862] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6865] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6863] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6862] <... futex resumed>) = 1 [pid 6859] <... futex resumed>) = 0 [pid 6857] <... futex resumed>) = 0 [pid 6856] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 6865] <... futex resumed>) = 1 [pid 6864] <... mmap resumed>) = 0x200000000000 [pid 6863] <... mmap resumed>) = 0x200000000000 [pid 6862] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6861] <... futex resumed>) = 0 [pid 6859] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6861] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6857] <... futex resumed>) = 0 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = 1 [pid 6863] <... futex resumed>) = 0 [pid 6862] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6861] <... futex resumed>) = 0 [pid 6859] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6865] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6864] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6863] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6861] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] <... futex resumed>) = 0 [pid 6856] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... openat resumed>) = 3 [pid 6864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6856] <... futex resumed>) = 0 [pid 6864] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6865] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6861] <... futex resumed>) = 0 [pid 6856] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... futex resumed>) = 1 [pid 6861] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6865] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6861] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6866 attached [pid 6865] <... mmap resumed>) = 0x200000000000 [pid 6863] +++ killed by SIGBUS +++ [pid 6862] +++ killed by SIGBUS +++ [pid 6861] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6859] +++ killed by SIGBUS +++ [pid 6857] +++ killed by SIGBUS +++ [pid 6856] <... futex resumed>) = ? [pid 6866] set_robust_list(0x55558704b6a0, 24 [pid 6865] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] +++ killed by SIGBUS +++ [pid 6861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6857, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6866] <... set_robust_list resumed>) = 0 [pid 6865] <... futex resumed>) = 0 [pid 6861] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] +++ killed by SIGBUS +++ [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6866 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6859, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6865] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6861] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6856, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5826] <... restart_syscall resumed>) = 0 [pid 6866] <... prctl resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6866] setpgid(0, 0 [pid 6865] +++ killed by SIGBUS +++ [pid 6861] +++ killed by SIGBUS +++ [pid 6866] <... setpgid resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6866] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6861, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6867 attached [pid 6866] write(3, "1000", 4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6867 ./strace-static-x86_64: Process 6868 attached [pid 6867] set_robust_list(0x55558704b6a0, 24 [pid 6866] <... write resumed>) = 4 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6867] <... set_robust_list resumed>) = 0 [pid 6866] close(3 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6868] set_robust_list(0x55558704b6a0, 24 [pid 6866] <... close resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6868 ./strace-static-x86_64: Process 6869 attached executing program [pid 6868] <... set_robust_list resumed>) = 0 [pid 6867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6866] write(1, "executing program\n", 18 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6869] set_robust_list(0x55558704b6a0, 24 [pid 6868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6867] <... prctl resumed>) = 0 [pid 6866] <... write resumed>) = 18 [pid 6869] <... set_robust_list resumed>) = 0 [pid 6867] setpgid(0, 0 [pid 6866] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6869 [pid 6869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6868] <... prctl resumed>) = 0 [pid 6867] <... setpgid resumed>) = 0 [pid 6866] <... futex resumed>) = 0 [pid 6868] setpgid(0, 0 [pid 6867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6866] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6869] <... prctl resumed>) = 0 [pid 6869] setpgid(0, 0 [pid 6868] <... setpgid resumed>) = 0 [pid 6869] <... setpgid resumed>) = 0 [pid 6868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6867] <... openat resumed>) = 3 [pid 6866] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6868] <... openat resumed>) = 3 [pid 6866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6869] <... openat resumed>) = 3 [pid 6867] write(3, "1000", 4 [pid 6866] <... mmap resumed>) = 0x7f3949327000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6867] <... write resumed>) = 4 [pid 6869] write(3, "1000", 4 [pid 6868] write(3, "1000", 4executing program executing program [pid 6869] <... write resumed>) = 4 [pid 6868] <... write resumed>) = 4 [pid 6867] close(3 [pid 6868] close(3 [pid 6867] <... close resumed>) = 0 [pid 6868] <... close resumed>) = 0 [pid 6867] write(1, "executing program\n", 18 [pid 6868] write(1, "executing program\n", 18 [pid 6869] close(3 [pid 6868] <... write resumed>) = 18 [pid 6867] <... write resumed>) = 18 [pid 6869] <... close resumed>) = 0 [pid 6868] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6870 attached [pid 6869] write(1, "executing program\n", 18executing program [pid 6868] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6866] <... mprotect resumed>) = 0 [pid 6869] <... write resumed>) = 18 [pid 6868] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6867] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6870] set_robust_list(0x55558704b6a0, 24 [pid 6869] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6867] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6870 [pid 6870] <... set_robust_list resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 6868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6869] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6870] setpgid(0, 0 [pid 6869] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6871 attached [pid 6870] <... setpgid resumed>) = 0 [pid 6869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6868] <... mmap resumed>) = 0x7f3949327000 [pid 6867] <... mmap resumed>) = 0x7f3949327000 [pid 6871] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6868] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6867] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6871] <... rseq resumed>) = 0 [pid 6870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6868] <... mprotect resumed>) = 0 [pid 6867] <... mprotect resumed>) = 0 [pid 6866] <... clone3 resumed> => {parent_tid=[6871]}, 88) = 6871 [pid 6871] set_robust_list(0x7f39493479a0, 24 [pid 6870] <... openat resumed>) = 3 [pid 6869] <... mmap resumed>) = 0x7f3949327000 [pid 6871] <... set_robust_list resumed>) = 0 [pid 6870] write(3, "1000", 4 [pid 6869] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6866] rt_sigprocmask(SIG_SETMASK, [], [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6870] <... write resumed>) = 4 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] close(3 [pid 6871] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] <... mprotect resumed>) = 0 [pid 6868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] <... close resumed>) = 0 [pid 6869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6866] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6872 attached executing program [pid 6871] <... futex resumed>) = 0 [pid 6870] write(1, "executing program\n", 18 [pid 6869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6866] <... futex resumed>) = 1 [pid 6872] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6871] memfd_create("syzkaller", 0 [pid 6870] <... write resumed>) = 18 [pid 6869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6867] <... clone3 resumed> => {parent_tid=[6872]}, 88) = 6872 [pid 6866] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6873 attached [pid 6872] <... rseq resumed>) = 0 [pid 6871] <... memfd_create resumed>) = 3 [pid 6870] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6874 attached [pid 6872] set_robust_list(0x7f39493479a0, 24 [pid 6873] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6870] <... futex resumed>) = 0 [pid 6874] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6873] <... rseq resumed>) = 0 [pid 6872] <... set_robust_list resumed>) = 0 [pid 6871] <... mmap resumed>) = 0x7f3940e00000 [pid 6869] <... clone3 resumed> => {parent_tid=[6873]}, 88) = 6873 [pid 6868] <... clone3 resumed> => {parent_tid=[6874]}, 88) = 6874 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6874] <... rseq resumed>) = 0 [pid 6873] set_robust_list(0x7f39493479a0, 24 [pid 6870] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6872] rt_sigprocmask(SIG_SETMASK, [], [pid 6870] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6869] rt_sigprocmask(SIG_SETMASK, [], [pid 6868] rt_sigprocmask(SIG_SETMASK, [], [pid 6867] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] set_robust_list(0x7f39493479a0, 24 [pid 6873] <... set_robust_list resumed>) = 0 [pid 6872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6874] <... set_robust_list resumed>) = 0 [pid 6873] rt_sigprocmask(SIG_SETMASK, [], [pid 6872] memfd_create("syzkaller", 0 [pid 6869] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6872] <... memfd_create resumed>) = 3 [pid 6869] <... futex resumed>) = 0 [pid 6868] <... futex resumed>) = 0 [pid 6874] rt_sigprocmask(SIG_SETMASK, [], [pid 6873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6868] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6873] memfd_create("syzkaller", 0 [pid 6872] <... mmap resumed>) = 0x7f3940e00000 [pid 6870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6874] memfd_create("syzkaller", 0 [pid 6870] <... mmap resumed>) = 0x7f3949327000 [pid 6874] <... memfd_create resumed>) = 3 [pid 6873] <... memfd_create resumed>) = 3 [pid 6874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6870] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6873] <... mmap resumed>) = 0x7f3940e00000 [pid 6874] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6875 attached [pid 6873] <... write resumed>) = 1048576 [pid 6872] <... write resumed>) = 1048576 [pid 6875] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6873] munmap(0x7f3940e00000, 138412032 [pid 6870] <... clone3 resumed> => {parent_tid=[6875]}, 88) = 6875 [pid 6875] <... rseq resumed>) = 0 [pid 6874] <... write resumed>) = 1048576 [pid 6873] <... munmap resumed>) = 0 [pid 6871] <... write resumed>) = 1048576 [pid 6870] rt_sigprocmask(SIG_SETMASK, [], [pid 6872] munmap(0x7f3940e00000, 138412032 [pid 6875] set_robust_list(0x7f39493479a0, 24 [pid 6874] munmap(0x7f3940e00000, 138412032 [pid 6873] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6871] munmap(0x7f3940e00000, 138412032 [pid 6870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6870] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6873] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6872] <... munmap resumed>) = 0 [pid 6870] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6873] close(3 [pid 6875] <... set_robust_list resumed>) = 0 [pid 6874] <... munmap resumed>) = 0 [pid 6875] rt_sigprocmask(SIG_SETMASK, [], [pid 6874] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6873] <... close resumed>) = 0 [pid 6872] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6871] <... munmap resumed>) = 0 [pid 6875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6874] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6873] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6875] memfd_create("syzkaller", 0 [pid 6874] close(3 [pid 6873] <... futex resumed>) = 1 [pid 6872] close(3 [pid 6871] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6869] <... futex resumed>) = 0 [pid 6875] <... memfd_create resumed>) = 3 [pid 6874] <... close resumed>) = 0 [pid 6873] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] <... close resumed>) = 0 [pid 6871] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6869] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6874] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6873] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6869] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] <... futex resumed>) = 1 [pid 6873] <... openat resumed>) = 3 [pid 6871] close(3 [pid 6874] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6868] <... futex resumed>) = 0 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6868] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6868] <... futex resumed>) = 0 [pid 6874] <... openat resumed>) = 3 [pid 6868] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6868] <... futex resumed>) = 0 [pid 6874] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6872] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = 1 [pid 6868] <... futex resumed>) = 0 [pid 6872] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6868] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] <... mmap resumed>) = 0x200000000000 [pid 6867] <... futex resumed>) = 0 [pid 6867] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 1 [pid 6872] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6867] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... openat resumed>) = 3 [pid 6874] <... futex resumed>) = 1 [pid 6872] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6872] <... futex resumed>) = 1 [pid 6868] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = 0 [pid 6872] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6868] <... futex resumed>) = 0 [pid 6867] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6873] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... mmap resumed>) = 0x200000000000 [pid 6868] syscall_0x200000000000(0x7f3949419600, 0x81, 0xf4240, 0, 0, 0 [pid 6867] <... futex resumed>) = 0 [pid 6873] <... futex resumed>) = 1 [pid 6871] <... close resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 6875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6873] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6873] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6871] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] +++ killed by SIGBUS +++ [pid 6873] <... mmap resumed>) = 0x200000000000 [pid 6872] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] +++ killed by SIGBUS +++ [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6873] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = 0 [pid 6867] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6868, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6873] <... futex resumed>) = 1 [pid 6872] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6875] <... write resumed>) = 1048576 [pid 6871] <... futex resumed>) = 0 [pid 6869] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = ? [pid 6866] <... futex resumed>) = 1 [pid 6875] munmap(0x7f3940e00000, 138412032 [pid 6873] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6869] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6873] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6871] <... openat resumed>) = 3 [pid 6869] close(-256 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6873] +++ killed by SIGBUS +++ [pid 6869] +++ killed by SIGBUS +++ [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6869, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6875] <... munmap resumed>) = 0 [pid 6871] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 1 [pid 6866] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6866] <... futex resumed>) = 0 [pid 6871] <... mmap resumed>) = 0x200000000000 [pid 6866] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6872] +++ killed by SIGBUS +++ [pid 6867] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... restart_syscall resumed>) = 0 [pid 6871] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6875] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6871] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] <... futex resumed>) = 0 [pid 6871] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6866] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6867, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 6876 attached [pid 6875] close(3 [pid 6866] <... futex resumed>) = ? [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6876] set_robust_list(0x55558704b6a0, 24 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6871] +++ killed by SIGBUS +++ [pid 6866] +++ killed by SIGBUS +++ [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6876 [pid 6876] <... set_robust_list resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6877 attached [pid 6876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6866, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6876] <... prctl resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6877] set_robust_list(0x55558704b6a0, 24 [pid 6876] setpgid(0, 0) = 0 [pid 6876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6877] <... set_robust_list resumed>) = 0 [pid 6875] <... close resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6876] <... openat resumed>) = 3 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6877 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6876] write(3, "1000", 4 [pid 6877] <... prctl resumed>) = 0 [pid 6876] <... write resumed>) = 4 [pid 6877] setpgid(0, 0 [pid 6876] close(3 [pid 6875] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6875] <... futex resumed>) = 1 [pid 6870] <... futex resumed>) = 0 [pid 6877] <... setpgid resumed>) = 0 [pid 6876] <... close resumed>) = 0 [pid 6875] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6875] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6870] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6876] write(1, "executing program\n", 18 [pid 6875] <... openat resumed>) = 3 [pid 6870] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6875] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... openat resumed>) = 3 [pid 6876] <... write resumed>) = 18 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6876] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6878 attached ./strace-static-x86_64: Process 6879 attached [pid 6877] write(3, "1000", 4 [pid 6876] <... futex resumed>) = 0 [pid 6875] <... futex resumed>) = 1 [pid 6870] <... futex resumed>) = 0 [pid 6879] set_robust_list(0x55558704b6a0, 24 [pid 6878] set_robust_list(0x55558704b6a0, 24 [pid 6877] <... write resumed>) = 4 [pid 6876] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6875] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6870] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6879 [pid 6879] <... set_robust_list resumed>) = 0 [pid 6878] <... set_robust_list resumed>) = 0 [pid 6877] close(3 [pid 6876] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6870] <... futex resumed>) = 0 [pid 6879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6877] <... close resumed>) = 0 [pid 6876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6875] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6870] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6878 [pid 6876] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6879] <... prctl resumed>) = 0 [pid 6878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6877] write(1, "executing program\n", 18 [pid 6875] <... mmap resumed>) = 0x200000000000 [pid 6879] setpgid(0, 0 [pid 6877] <... write resumed>) = 18 [pid 6876] <... mmap resumed>) = 0x7f3949327000 [pid 6877] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... setpgid resumed>) = 0 [pid 6876] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6877] <... futex resumed>) = 0 [pid 6878] <... prctl resumed>) = 0 [pid 6877] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6876] <... mprotect resumed>) = 0 [pid 6875] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] setpgid(0, 0 [pid 6877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6870] <... futex resumed>) = 0 [pid 6877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6875] <... futex resumed>) = 1 [pid 6870] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6875] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6870] <... futex resumed>) = 0 [pid 6878] <... setpgid resumed>) = 0 [pid 6877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6870] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... openat resumed>) = 3 [pid 6877] <... mmap resumed>) = 0x7f3949327000 [pid 6870] <... futex resumed>) = ? [pid 6879] write(3, "1000", 4 [pid 6878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6877] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6879] <... write resumed>) = 4 [pid 6878] <... openat resumed>) = 3 [pid 6876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6880 attached [pid 6879] close(3 [pid 6877] <... mprotect resumed>) = 0 [pid 6880] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6879] <... close resumed>) = 0 [pid 6878] write(3, "1000", 4 [pid 6877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6876] <... clone3 resumed> => {parent_tid=[6880]}, 88) = 6880 [pid 6880] set_robust_list(0x7f39493479a0, 24 [pid 6879] write(1, "executing program\n", 18 [pid 6878] <... write resumed>) = 4 [pid 6877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6876] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 6880] <... set_robust_list resumed>) = 0 [pid 6877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6875] +++ killed by SIGBUS +++ [pid 6870] +++ killed by SIGBUS +++ [pid 6879] <... write resumed>) = 18 ./strace-static-x86_64: Process 6881 attached [pid 6880] rt_sigprocmask(SIG_SETMASK, [], [pid 6878] close(3 [pid 6879] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6878] <... close resumed>) = 0 [pid 6877] <... clone3 resumed> => {parent_tid=[6881]}, 88) = 6881 [pid 6876] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6870, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6879] <... futex resumed>) = 0 [pid 6881] <... rseq resumed>) = 0 [pid 6880] memfd_create("syzkaller", 0executing program [pid 6879] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6878] write(1, "executing program\n", 18 [pid 6877] rt_sigprocmask(SIG_SETMASK, [], [pid 6876] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6881] set_robust_list(0x7f39493479a0, 24 [pid 6879] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6878] <... write resumed>) = 18 [pid 6881] <... set_robust_list resumed>) = 0 [pid 6880] <... memfd_create resumed>) = 3 [pid 6879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6878] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6878] <... futex resumed>) = 0 [pid 6877] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6881] rt_sigprocmask(SIG_SETMASK, [], [pid 6880] <... mmap resumed>) = 0x7f3940e00000 [pid 6879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6878] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6877] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6879] <... mmap resumed>) = 0x7f3949327000 [pid 6878] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6877] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6879] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6878] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6881] memfd_create("syzkaller", 0 [pid 6878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6879] <... mprotect resumed>) = 0 [pid 6878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6882 attached [pid 6881] <... memfd_create resumed>) = 3 [pid 6879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6878] <... mmap resumed>) = 0x7f3949327000 [pid 6881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6878] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6882 [pid 6882] set_robust_list(0x55558704b6a0, 24 [pid 6881] <... mmap resumed>) = 0x7f3940e00000 [pid 6880] <... write resumed>) = 1048576 [pid 6879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6878] <... mprotect resumed>) = 0 [pid 6882] <... set_robust_list resumed>) = 0 [pid 6881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6880] munmap(0x7f3940e00000, 138412032 [pid 6879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6883 attached [pid 6878] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6880] <... munmap resumed>) = 0 [pid 6883] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6882] <... prctl resumed>) = 0 [pid 6881] <... write resumed>) = 1048576 [pid 6880] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6878] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6883] <... rseq resumed>) = 0 [pid 6882] setpgid(0, 0 [pid 6881] munmap(0x7f3940e00000, 138412032 [pid 6880] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6879] <... clone3 resumed> => {parent_tid=[6883]}, 88) = 6883 [pid 6878] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6884 attached [pid 6883] set_robust_list(0x7f39493479a0, 24 [pid 6882] <... setpgid resumed>) = 0 [pid 6881] <... munmap resumed>) = 0 [pid 6880] close(3 [pid 6879] rt_sigprocmask(SIG_SETMASK, [], [pid 6884] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6883] <... set_robust_list resumed>) = 0 [pid 6883] rt_sigprocmask(SIG_SETMASK, [], [pid 6882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6881] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6878] <... clone3 resumed> => {parent_tid=[6884]}, 88) = 6884 [pid 6883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6879] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] memfd_create("syzkaller", 0 [pid 6882] <... openat resumed>) = 3 [pid 6881] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6879] <... futex resumed>) = 0 [pid 6878] rt_sigprocmask(SIG_SETMASK, [], [pid 6879] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6883] <... memfd_create resumed>) = 3 [pid 6881] close(3 [pid 6878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] set_robust_list(0x7f39493479a0, 24 [pid 6883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6882] write(3, "1000", 4 [pid 6880] <... close resumed>) = 0 [pid 6878] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... set_robust_list resumed>) = 0 [pid 6883] <... mmap resumed>) = 0x7f3940e00000 [pid 6884] rt_sigprocmask(SIG_SETMASK, [], [pid 6882] <... write resumed>) = 4 [pid 6881] <... close resumed>) = 0 [pid 6880] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6882] close(3 [pid 6878] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6884] memfd_create("syzkaller", 0 [pid 6882] <... close resumed>) = 0 [pid 6881] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6880] <... futex resumed>) = 1 [pid 6878] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6876] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... memfd_create resumed>) = 3 executing program [pid 6882] write(1, "executing program\n", 18 [pid 6881] <... futex resumed>) = 1 [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 0 [pid 6884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6882] <... write resumed>) = 18 [pid 6881] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6877] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6884] <... mmap resumed>) = 0x7f3940e00000 [pid 6882] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6880] <... openat resumed>) = 3 [pid 6877] <... futex resumed>) = 0 [pid 6883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6882] <... futex resumed>) = 0 [pid 6881] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6880] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6880] <... futex resumed>) = 1 [pid 6876] <... futex resumed>) = 0 [pid 6882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6881] <... openat resumed>) = 3 [pid 6882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6880] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6876] <... futex resumed>) = 0 [pid 6880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] <... mmap resumed>) = 0x7f3949327000 [pid 6882] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6880] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6876] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... mprotect resumed>) = 0 [pid 6880] <... mmap resumed>) = 0x200000000000 [pid 6884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6881] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6880] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6876] <... futex resumed>) = 0 [pid 6882] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6881] <... futex resumed>) = 1 [pid 6880] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6877] <... futex resumed>) = 0 [pid 6876] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6881] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6885 attached [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = ? [pid 6885] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6885] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6885] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6877] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< => {parent_tid=[6885]}, 88) = 6885 [pid 6883] <... write resumed>) = 1048576 [pid 6882] rt_sigprocmask(SIG_SETMASK, [], [pid 6881] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] munmap(0x7f3940e00000, 138412032 [pid 6882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6881] <... futex resumed>) = 1 [pid 6880] +++ killed by SIGBUS +++ [pid 6877] <... futex resumed>) = 0 [pid 6876] +++ killed by SIGBUS +++ [pid 6882] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6877] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = 0 [pid 6883] <... munmap resumed>) = 0 [pid 6882] <... futex resumed>) = 1 [pid 6877] <... futex resumed>) = ? [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6876, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6885] memfd_create("syzkaller", 0 [pid 6884] <... write resumed>) = 1048576 [pid 6883] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6882] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6881] +++ killed by SIGBUS +++ [pid 6877] +++ killed by SIGBUS +++ [pid 6885] <... memfd_create resumed>) = 3 [pid 6884] munmap(0x7f3940e00000, 138412032 [pid 6883] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6884] <... munmap resumed>) = 0 [pid 6883] close(3 [pid 6885] <... mmap resumed>) = 0x7f3940e00000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6877, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6886 attached [pid 6886] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6886] setpgid(0, 0) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6886 [pid 6886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6885] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6884] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5827] <... restart_syscall resumed>) = 0 [pid 6886] <... openat resumed>) = 3 [pid 6886] write(3, "1000", 4 [pid 6884] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6886] <... write resumed>) = 4 [pid 6886] close(3executing program ) = 0 [pid 6884] close(3 [pid 6886] write(1, "executing program\n", 18) = 18 [pid 6886] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6886] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6885] <... write resumed>) = 1048576 [pid 6884] <... close resumed>) = 0 [pid 6883] <... close resumed>) = 0 [pid 6885] munmap(0x7f3940e00000, 138412032 [pid 6884] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6883] <... futex resumed>) = 1 [pid 6879] <... futex resumed>) = 0 [pid 6886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] <... futex resumed>) = 1 [pid 6883] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6879] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6885] <... munmap resumed>) = 0 [pid 6884] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6879] <... futex resumed>) = 0 [pid 6878] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6886] <... mmap resumed>) = 0x7f3949327000 [pid 6885] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6879] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] <... futex resumed>) = 0 [pid 6886] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6883] <... openat resumed>) = 3 [pid 6886] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6887 attached [pid 6886] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6885] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6884] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6883] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] set_robust_list(0x55558704b6a0, 24 [pid 6885] close(3 [pid 6883] <... futex resumed>) = 1 [pid 6879] <... futex resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6887 [pid 6887] <... set_robust_list resumed>) = 0 [pid 6884] <... openat resumed>) = 3 [pid 6883] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6879] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6885] <... close resumed>) = 0 [pid 6884] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... mmap resumed>) = 0x200000000000 [pid 6879] <... futex resumed>) = 0 [pid 6887] <... prctl resumed>) = 0 [pid 6886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6885] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6888 attached [pid 6887] setpgid(0, 0 [pid 6885] <... futex resumed>) = 1 [pid 6884] <... futex resumed>) = 1 [pid 6883] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 0 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 0 [pid 6888] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6887] <... setpgid resumed>) = 0 [pid 6886] <... clone3 resumed> => {parent_tid=[6888]}, 88) = 6888 [pid 6885] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6883] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] <... rseq resumed>) = 0 [pid 6887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6886] rt_sigprocmask(SIG_SETMASK, [], [pid 6885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] <... futex resumed>) = 0 [pid 6879] <... futex resumed>) = 0 [pid 6878] <... futex resumed>) = 0 [pid 6888] set_robust_list(0x7f39493479a0, 24 [pid 6887] <... openat resumed>) = 3 [pid 6886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6885] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6884] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6882] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6879] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] <... set_robust_list resumed>) = 0 [pid 6887] write(3, "1000", 4 [pid 6886] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... openat resumed>) = 3 [pid 6884] <... mmap resumed>) = 0x200000000000 [pid 6888] rt_sigprocmask(SIG_SETMASK, [], [pid 6887] <... write resumed>) = 4 [pid 6886] <... futex resumed>) = 0 [pid 6886] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6884] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6884] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6878] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6887] close(3 [pid 6885] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] <... futex resumed>) = 0 [pid 6888] memfd_create("syzkaller", 0 [pid 6885] <... futex resumed>) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6879] <... futex resumed>) = ? [pid 6887] <... close resumed>) = 0 executing program [pid 6885] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6884] +++ killed by SIGBUS +++ [pid 6887] write(1, "executing program\n", 18 [pid 6888] <... memfd_create resumed>) = 3 [pid 6883] +++ killed by SIGBUS +++ [pid 6882] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] +++ killed by SIGBUS +++ [pid 6878] +++ killed by SIGBUS +++ [pid 6882] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6879, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6882] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] <... mmap resumed>) = 0x200000000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6887] <... write resumed>) = 18 [pid 6888] <... mmap resumed>) = 0x7f3940e00000 [pid 6887] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6878, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6887] <... futex resumed>) = 0 [pid 6885] <... futex resumed>) = 1 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6887] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6885] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6882] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6882] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... mmap resumed>) = 0x7f3949327000 [pid 6885] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 1 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6887] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6885] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6882] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6889 attached [pid 6888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6889] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6889] setpgid(0, 0) = 0 [pid 6888] <... write resumed>) = 1048576 [pid 6887] <... mprotect resumed>) = 0 [pid 6885] +++ killed by SIGBUS +++ [pid 6882] +++ killed by SIGBUS +++ [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6889 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6888] munmap(0x7f3940e00000, 138412032 [pid 6887] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6882, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6890 attached [pid 6889] <... openat resumed>) = 3 [pid 6888] <... munmap resumed>) = 0 [pid 6887] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6890] set_robust_list(0x55558704b6a0, 24) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6890 [pid 6889] write(3, "1000", 4) = 4 [pid 6887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6891 attached [pid 6889] close(3) = 0 [pid 6887] <... clone3 resumed> => {parent_tid=[6891]}, 88) = 6891 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 6889] write(1, "executing program\n", 18 [pid 6888] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6887] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6891] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6889] <... write resumed>) = 18 [pid 6888] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6891] <... rseq resumed>) = 0 [pid 6890] <... prctl resumed>) = 0 [pid 6891] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6890] setpgid(0, 0 [pid 6889] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] close(3 [pid 6887] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6892 attached [pid 6891] rt_sigprocmask(SIG_SETMASK, [], [pid 6890] <... setpgid resumed>) = 0 [pid 6889] <... futex resumed>) = 0 [pid 6888] <... close resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6889] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6887] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6891] memfd_create("syzkaller", 0 [pid 6889] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6889] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6890] <... openat resumed>) = 3 [pid 6889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6892] set_robust_list(0x55558704b6a0, 24 [pid 6891] <... memfd_create resumed>) = 3 [pid 6889] <... mmap resumed>) = 0x7f3949327000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6892 [pid 6889] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6892] <... set_robust_list resumed>) = 0 [pid 6891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6890] write(3, "1000", 4 [pid 6889] <... mprotect resumed>) = 0 [pid 6891] <... mmap resumed>) = 0x7f3940e00000 [pid 6890] <... write resumed>) = 4 [pid 6892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6890] close(3) = 0 [pid 6889] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6889] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6893 attached [pid 6892] <... prctl resumed>) = 0 [pid 6891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6890] write(1, "executing program\n", 18 executing program [pid 6889] <... clone3 resumed> => {parent_tid=[6893]}, 88) = 6893 [pid 6888] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6892] setpgid(0, 0 [pid 6890] <... write resumed>) = 18 [pid 6889] rt_sigprocmask(SIG_SETMASK, [], [pid 6893] <... rseq resumed>) = 0 [pid 6892] <... setpgid resumed>) = 0 [pid 6890] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6888] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6893] set_robust_list(0x7f39493479a0, 24 [pid 6892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6890] <... futex resumed>) = 0 [pid 6889] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... set_robust_list resumed>) = 0 [pid 6893] rt_sigprocmask(SIG_SETMASK, [], [pid 6892] <... openat resumed>) = 3 [pid 6890] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6889] <... futex resumed>) = 0 [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] <... futex resumed>) = 0 [pid 6893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6889] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6888] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6886] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] memfd_create("syzkaller", 0 [pid 6892] write(3, "1000", 4 [pid 6890] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6888] <... openat resumed>) = 3 [pid 6890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6892] <... write resumed>) = 4 [pid 6890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6893] <... memfd_create resumed>) = 3 executing program [pid 6892] close(3 [pid 6890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6888] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6892] <... close resumed>) = 0 [pid 6890] <... mmap resumed>) = 0x7f3949327000 [pid 6886] <... futex resumed>) = 0 [pid 6893] <... mmap resumed>) = 0x7f3940e00000 [pid 6892] write(1, "executing program\n", 18 [pid 6890] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6888] <... futex resumed>) = 1 [pid 6886] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... write resumed>) = 18 [pid 6891] <... write resumed>) = 1048576 [pid 6891] munmap(0x7f3940e00000, 138412032 [pid 6886] <... futex resumed>) = 0 [pid 6888] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6891] <... munmap resumed>) = 0 [pid 6888] <... mmap resumed>) = 0x200000000000 [pid 6893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6892] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6890] <... mprotect resumed>) = 0 [pid 6886] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] <... write resumed>) = 1048576 [pid 6892] <... futex resumed>) = 0 [pid 6891] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6890] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6888] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6891] close(3 [pid 6886] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6886] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6890] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6892] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6888] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 0 [pid 6886] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 6892] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6894 attached [pid 6892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6894] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6890] <... clone3 resumed> => {parent_tid=[6894]}, 88) = 6894 [pid 6894] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6890] rt_sigprocmask(SIG_SETMASK, [], [pid 6888] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6886] <... futex resumed>) = ? [pid 6892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6890] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6895 attached [pid 6894] rt_sigprocmask(SIG_SETMASK, [], [pid 6890] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6890] <... futex resumed>) = 0 [pid 6895] <... rseq resumed>) = 0 [pid 6892] <... clone3 resumed> => {parent_tid=[6895]}, 88) = 6895 [pid 6890] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6895] set_robust_list(0x7f39493479a0, 24 [pid 6894] memfd_create("syzkaller", 0 [pid 6895] <... set_robust_list resumed>) = 0 [pid 6894] <... memfd_create resumed>) = 3 [pid 6892] rt_sigprocmask(SIG_SETMASK, [], [pid 6895] rt_sigprocmask(SIG_SETMASK, [], [pid 6894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6895] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6894] <... mmap resumed>) = 0x7f3940e00000 [pid 6892] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6892] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6888] +++ killed by SIGBUS +++ [pid 6886] +++ killed by SIGBUS +++ [pid 6895] <... futex resumed>) = 0 [pid 6893] munmap(0x7f3940e00000, 138412032 [pid 6895] memfd_create("syzkaller", 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6886, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6893] <... munmap resumed>) = 0 [pid 6895] <... memfd_create resumed>) = 3 [pid 6894] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6891] <... close resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6893] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6891] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6895] <... mmap resumed>) = 0x7f3940e00000 [pid 6893] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6891] <... futex resumed>) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6887] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6887] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] close(3 [pid 6891] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6894] <... write resumed>) = 1048576 [pid 6893] <... close resumed>) = 0 [pid 6891] <... openat resumed>) = 3 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6894] munmap(0x7f3940e00000, 138412032 [pid 6895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6894] <... munmap resumed>) = 0 [pid 6893] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6896 attached [pid 6894] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6896] set_robust_list(0x55558704b6a0, 24 [pid 6894] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6896] <... set_robust_list resumed>) = 0 [pid 6894] close(3 [pid 6891] <... futex resumed>) = 1 [pid 6887] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6896 [pid 6896] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6891] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... futex resumed>) = 0 [pid 6891] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6893] <... futex resumed>) = 1 [pid 6891] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6891] <... futex resumed>) = 1 [pid 6889] <... futex resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6891] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... futex resumed>) = 0 [pid 6887] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... openat resumed>) = 3 [pid 6891] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6889] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 6896] <... prctl resumed>) = 0 [pid 6893] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6896] setpgid(0, 0 [pid 6894] <... close resumed>) = 0 [pid 6893] <... futex resumed>) = 0 [pid 6891] +++ killed by SIGBUS +++ [pid 6889] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] +++ killed by SIGBUS +++ [pid 6896] <... setpgid resumed>) = 0 [pid 6894] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6889] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6887, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6894] <... futex resumed>) = 1 [pid 6893] <... mmap resumed>) = 0x200000000000 [pid 6890] <... futex resumed>) = 0 [pid 6896] <... openat resumed>) = 3 [pid 6894] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6893] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] write(3, "1000", 4 [pid 6894] <... openat resumed>) = 3 [pid 6893] <... futex resumed>) = 0 [pid 6890] <... futex resumed>) = 0 [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6896] <... write resumed>) = 4 [pid 6894] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6896] close(3 [pid 6894] <... futex resumed>) = 0 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6896] <... close resumed>) = 0 [pid 6894] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6893] <... futex resumed>) = 0 [pid 6890] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6897 attached [pid 6896] write(1, "executing program\n", 18 [pid 6894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] set_robust_list(0x55558704b6a0, 24 [pid 6896] <... write resumed>) = 18 [pid 6895] <... write resumed>) = 1048576 [pid 6894] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6893] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6890] <... futex resumed>) = 0 [pid 6889] read(0, [pid 6897] <... set_robust_list resumed>) = 0 [pid 6896] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] munmap(0x7f3940e00000, 138412032 [pid 6894] <... mmap resumed>) = 0x200000000000 [pid 6890] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6897 [pid 6897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6896] <... futex resumed>) = 0 [pid 6895] <... munmap resumed>) = 0 [pid 6894] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... prctl resumed>) = 0 [pid 6896] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6894] <... futex resumed>) = 0 [pid 6893] +++ killed by SIGBUS +++ [pid 6890] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] +++ killed by SIGBUS +++ [pid 6897] setpgid(0, 0 [pid 6896] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6895] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6894] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6890] <... futex resumed>) = 0 [pid 6897] <... setpgid resumed>) = 0 [pid 6896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6895] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6889, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6895] close(3 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6897] <... openat resumed>) = 3 [pid 6896] <... mmap resumed>) = 0x7f3949327000 [pid 6894] +++ killed by SIGBUS +++ [pid 6890] +++ killed by SIGBUS +++ [pid 6896] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6895] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6890, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6897] write(3, "1000", 4 [pid 6896] <... mprotect resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6898 attached [pid 6898] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6898] setpgid(0, 0) = 0 [pid 6896] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] <... restart_syscall resumed>) = 0 [pid 6898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6897] <... write resumed>) = 4 [pid 6898] <... openat resumed>) = 3 [pid 6897] close(3) = 0 [pid 6898] write(3, "1000", 4 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6898] <... write resumed>) = 4 executing program [pid 6898] close(3 [pid 6897] write(1, "executing program\n", 18 [pid 6896] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6898] <... close resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6898] write(1, "executing program\n", 18executing program [pid 6897] <... write resumed>) = 18 [pid 6896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6898 ./strace-static-x86_64: Process 6899 attached [pid 6898] <... write resumed>) = 18 [pid 6898] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] <... clone3 resumed> => {parent_tid=[6899]}, 88) = 6899 ./strace-static-x86_64: Process 6900 attached [pid 6899] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6898] <... futex resumed>) = 0 [pid 6896] rt_sigprocmask(SIG_SETMASK, [], [pid 6900] set_robust_list(0x55558704b6a0, 24 [pid 6899] <... rseq resumed>) = 0 [pid 6898] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6897] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6900 [pid 6900] <... set_robust_list resumed>) = 0 [pid 6899] set_robust_list(0x7f39493479a0, 24 [pid 6898] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6899] <... set_robust_list resumed>) = 0 [pid 6898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6897] <... futex resumed>) = 0 [pid 6896] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... prctl resumed>) = 0 [pid 6899] rt_sigprocmask(SIG_SETMASK, [], [pid 6898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6896] <... futex resumed>) = 0 [pid 6900] setpgid(0, 0 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6897] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6896] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6900] <... setpgid resumed>) = 0 [pid 6899] memfd_create("syzkaller", 0 [pid 6898] <... mmap resumed>) = 0x7f3949327000 [pid 6897] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6895] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6892] <... futex resumed>) = 0 [pid 6900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6898] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6895] <... futex resumed>) = 1 [pid 6892] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... memfd_create resumed>) = 3 [pid 6897] <... mmap resumed>) = 0x7f3949327000 [pid 6895] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6892] <... futex resumed>) = 0 [pid 6900] <... openat resumed>) = 3 [pid 6899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6898] <... mprotect resumed>) = 0 [pid 6897] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6895] <... openat resumed>) = 3 [pid 6892] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] <... mmap resumed>) = 0x7f3940e00000 [pid 6897] <... mprotect resumed>) = 0 [pid 6898] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6900] write(3, "1000", 4 [pid 6897] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6895] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... futex resumed>) = 0 [pid 6892] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6892] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] <... futex resumed>) = 1 [pid 6900] <... write resumed>) = 4 [pid 6899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6898] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6897] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6895] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6900] close(3 [pid 6898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6897] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6902 attached ./strace-static-x86_64: Process 6901 attached [pid 6900] <... close resumed>) = 0 [pid 6895] <... mmap resumed>) = 0x200000000000 [pid 6902] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053executing program [pid 6901] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6900] write(1, "executing program\n", 18 [pid 6898] <... clone3 resumed> => {parent_tid=[6901]}, 88) = 6901 [pid 6897] <... clone3 resumed> => {parent_tid=[6902]}, 88) = 6902 [pid 6902] <... rseq resumed>) = 0 [pid 6901] <... rseq resumed>) = 0 [pid 6900] <... write resumed>) = 18 [pid 6898] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] rt_sigprocmask(SIG_SETMASK, [], [pid 6895] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] set_robust_list(0x7f39493479a0, 24 [pid 6901] set_robust_list(0x7f39493479a0, 24 [pid 6898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6897] <... futex resumed>) = 0 [pid 6892] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6895] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6892] <... futex resumed>) = 0 [pid 6892] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6902] <... set_robust_list resumed>) = 0 [pid 6901] <... set_robust_list resumed>) = 0 [pid 6900] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... write resumed>) = 1048576 [pid 6898] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] rt_sigprocmask(SIG_SETMASK, [], [pid 6901] rt_sigprocmask(SIG_SETMASK, [], [pid 6899] munmap(0x7f3940e00000, 138412032 [pid 6898] <... futex resumed>) = 0 [pid 6902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6900] <... futex resumed>) = 0 [pid 6899] <... munmap resumed>) = 0 [pid 6898] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6902] memfd_create("syzkaller", 0 [pid 6901] memfd_create("syzkaller", 0 [pid 6900] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6895] +++ killed by SIGBUS +++ [pid 6892] +++ killed by SIGBUS +++ [pid 6900] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6892, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6902] <... memfd_create resumed>) = 3 [pid 6901] <... memfd_create resumed>) = 3 [pid 6900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6899] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6899] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6902] <... mmap resumed>) = 0x7f3940e00000 [pid 6901] <... mmap resumed>) = 0x7f3940e00000 [pid 6900] <... mmap resumed>) = 0x7f3949327000 [pid 6899] close(3 [pid 6900] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6899] <... close resumed>) = 0 [pid 6900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6899] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6899] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... clone3 resumed> => {parent_tid=[6903]}, 88) = 6903 [pid 6896] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6900] rt_sigprocmask(SIG_SETMASK, [], [pid 6896] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6903 attached [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6896] <... futex resumed>) = 1 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6900] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6900] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6900] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6899] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 6899] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6896] <... futex resumed>) = 0 [pid 6899] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6896] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... rseq resumed>) = 0 [pid 6899] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6896] <... futex resumed>) = 0 [pid 6903] set_robust_list(0x7f39493479a0, 24 [pid 6899] <... mmap resumed>) = 0x200000000000 [pid 6896] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6903] <... set_robust_list resumed>) = 0 [pid 6899] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] rt_sigprocmask(SIG_SETMASK, [], [pid 6899] <... futex resumed>) = 0 [pid 6896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6899] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] memfd_create("syzkaller", 0) = 3 [pid 6903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6904 ./strace-static-x86_64: Process 6904 attached [pid 6901] <... write resumed>) = 1048576 [pid 6896] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6896] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] set_robust_list(0x55558704b6a0, 24 [pid 6899] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6904] <... set_robust_list resumed>) = 0 [pid 6896] <... futex resumed>) = ? [pid 6904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6902] <... write resumed>) = 1048576 [pid 6901] munmap(0x7f3940e00000, 138412032 [pid 6899] +++ killed by SIGBUS +++ [pid 6896] +++ killed by SIGBUS +++ [pid 6904] <... prctl resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6896, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6904] setpgid(0, 0 [pid 6901] <... munmap resumed>) = 0 [pid 6904] <... setpgid resumed>) = 0 [pid 6902] munmap(0x7f3940e00000, 138412032 [pid 6904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6901] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6901] close(3 [pid 6904] <... openat resumed>) = 3 [pid 6903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6902] <... munmap resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6904] write(3, "1000", 4) = 4 [pid 6902] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6901] <... close resumed>) = 0 [pid 6904] close(3 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6904] <... close resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6901] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6905 attached [pid 6904] write(1, "executing program\n", 18 [pid 6903] <... write resumed>) = 1048576 [pid 6902] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6904] <... write resumed>) = 18 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6905 [pid 6905] set_robust_list(0x55558704b6a0, 24 [pid 6903] munmap(0x7f3940e00000, 138412032 [pid 6902] close(3 [pid 6905] <... set_robust_list resumed>) = 0 [pid 6905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6901] <... futex resumed>) = 1 [pid 6898] <... futex resumed>) = 0 [pid 6901] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6898] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... munmap resumed>) = 0 [pid 6901] <... openat resumed>) = 3 [pid 6898] <... futex resumed>) = 0 [pid 6901] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] <... futex resumed>) = 0 [pid 6898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6898] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6898] <... futex resumed>) = 0 [pid 6901] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6898] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] <... mmap resumed>) = 0x200000000000 [pid 6901] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6898] <... futex resumed>) = 0 [pid 6901] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6898] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6898] <... futex resumed>) = 0 [pid 6901] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6898] read(1229035008, [pid 6905] <... prctl resumed>) = 0 [pid 6904] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6901] +++ killed by SIGBUS +++ [pid 6898] +++ killed by SIGBUS +++ [pid 6905] setpgid(0, 0 [pid 6904] <... futex resumed>) = 0 [pid 6903] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6902] <... close resumed>) = 0 [pid 6905] <... setpgid resumed>) = 0 [pid 6904] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6903] close(3 [pid 6902] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6898, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6904] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6903] <... close resumed>) = 0 [pid 6902] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6897] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... openat resumed>) = 3 [pid 6904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6903] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6897] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6905] write(3, "1000", 4 [pid 6897] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6905] <... write resumed>) = 4 [pid 6904] <... mmap resumed>) = 0x7f3949327000 [pid 6903] <... futex resumed>) = 1 [pid 6902] <... openat resumed>) = 3 [pid 6900] <... futex resumed>) = 0 [pid 6905] close(3 [pid 6904] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6903] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... close resumed>) = 0 [pid 6904] <... mprotect resumed>) = 0 [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6902] <... futex resumed>) = 1 [pid 6900] <... futex resumed>) = 0 [pid 6897] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 6905] write(1, "executing program\n", 18 [pid 6904] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6903] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6902] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6905] <... write resumed>) = 18 [pid 6904] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6903] <... openat resumed>) = 3 [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 6905] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6903] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6897] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6906 attached ./strace-static-x86_64: Process 6907 attached [pid 6905] <... futex resumed>) = 0 [pid 6903] <... futex resumed>) = 1 [pid 6902] <... mmap resumed>) = 0x200000000000 [pid 6900] <... futex resumed>) = 0 [pid 6906] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6905] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6904] <... clone3 resumed> => {parent_tid=[6906]}, 88) = 6906 [pid 6903] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... rseq resumed>) = 0 [pid 6907] set_robust_list(0x55558704b6a0, 24 [pid 6905] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6904] rt_sigprocmask(SIG_SETMASK, [], [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6902] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = 0 [pid 6906] set_robust_list(0x7f39493479a0, 24 [pid 6907] <... set_robust_list resumed>) = 0 [pid 6905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6906] <... set_robust_list resumed>) = 0 [pid 6903] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6902] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 6900] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6906] rt_sigprocmask(SIG_SETMASK, [], [pid 6905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6904] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... mmap resumed>) = 0x200000000000 [pid 6902] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6907 [pid 6907] <... prctl resumed>) = 0 [pid 6906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6904] <... futex resumed>) = 0 [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 6907] setpgid(0, 0 [pid 6906] memfd_create("syzkaller", 0 [pid 6905] <... mmap resumed>) = 0x7f3949327000 [pid 6904] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6903] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6897] ???( [pid 6907] <... setpgid resumed>) = 0 [pid 6905] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6903] <... futex resumed>) = 1 [pid 6900] <... futex resumed>) = 0 [pid 6897] <... ??? resumed>) = ? [pid 6907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6906] <... memfd_create resumed>) = 3 [pid 6905] <... mprotect resumed>) = 0 [pid 6903] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] <... openat resumed>) = 3 [pid 6906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6900] <... futex resumed>) = 0 [pid 6907] write(3, "1000", 4 [pid 6900] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] <... write resumed>) = 4 [pid 6906] <... mmap resumed>) = 0x7f3940e00000 [pid 6907] close(3 [pid 6905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... close resumed>) = 0 [pid 6905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6903] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6907] write(1, "executing program\n", 18 [pid 6905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6908 attached [pid 6902] +++ killed by SIGBUS +++ [pid 6897] +++ killed by SIGBUS +++ [pid 6908] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6905] <... clone3 resumed> => {parent_tid=[6908]}, 88) = 6908 [pid 6908] <... rseq resumed>) = 0 [pid 6905] rt_sigprocmask(SIG_SETMASK, [], [pid 6908] set_robust_list(0x7f39493479a0, 24 [pid 6905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6908] <... set_robust_list resumed>) = 0 [pid 6905] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] rt_sigprocmask(SIG_SETMASK, [], [pid 6905] <... futex resumed>) = 0 [pid 6908] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6905] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6908] memfd_create("syzkaller", 0) = 3 [pid 6907] <... write resumed>) = 18 [pid 6900] <... futex resumed>) = ? [pid 6908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6907] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6903] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6897, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6908] <... mmap resumed>) = 0x7f3940e00000 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6907] <... futex resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6907] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6906] <... write resumed>) = 1048576 [pid 6900] +++ killed by SIGBUS +++ [pid 6907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6900, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6907] <... mmap resumed>) = 0x7f3949327000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6909 attached [pid 6907] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6909] set_robust_list(0x55558704b6a0, 24 [pid 6907] <... mprotect resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6909 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6909] <... set_robust_list resumed>) = 0 [pid 6907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6906] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6910 attached [pid 6909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6908] <... write resumed>) = 1048576 [pid 6907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6910 [pid 6910] set_robust_list(0x55558704b6a0, 24 [pid 6909] <... prctl resumed>) = 0 [pid 6908] munmap(0x7f3940e00000, 138412032 [pid 6907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6906] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6911 attached [pid 6910] <... set_robust_list resumed>) = 0 [pid 6909] setpgid(0, 0 [pid 6908] <... munmap resumed>) = 0 [pid 6906] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6911] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6909] <... setpgid resumed>) = 0 [pid 6907] <... clone3 resumed> => {parent_tid=[6911]}, 88) = 6911 [pid 6911] <... rseq resumed>) = 0 [pid 6910] <... prctl resumed>) = 0 [pid 6911] set_robust_list(0x7f39493479a0, 24 [pid 6910] setpgid(0, 0 [pid 6909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6907] rt_sigprocmask(SIG_SETMASK, [], [pid 6906] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6911] <... set_robust_list resumed>) = 0 [pid 6910] <... setpgid resumed>) = 0 [pid 6907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6906] close(3 [pid 6911] rt_sigprocmask(SIG_SETMASK, [], [pid 6910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6909] <... openat resumed>) = 3 [pid 6908] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6907] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... close resumed>) = 0 [pid 6911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6910] <... openat resumed>) = 3 [pid 6908] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6907] <... futex resumed>) = 0 [pid 6910] write(3, "1000", 4 [pid 6907] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6910] <... write resumed>) = 4 [pid 6911] memfd_create("syzkaller", 0 [pid 6910] close(3 [pid 6911] <... memfd_create resumed>) = 3 [pid 6910] <... close resumed>) = 0 [pid 6911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6910] write(1, "executing program\n", 18executing program [pid 6909] write(3, "1000", 4 [pid 6911] <... mmap resumed>) = 0x7f3940e00000 [pid 6910] <... write resumed>) = 18 [pid 6910] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... write resumed>) = 4 [pid 6910] <... futex resumed>) = 0 [pid 6910] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6910] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6909] close(3 [pid 6908] close(3 [pid 6910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6909] <... close resumed>) = 0 executing program [pid 6909] write(1, "executing program\n", 18) = 18 [pid 6910] <... mmap resumed>) = 0x7f3949327000 [pid 6909] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6910] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6910] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6912 attached => {parent_tid=[6912]}, 88) = 6912 [pid 6910] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6910] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6910] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6912] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6909] <... futex resumed>) = 0 [pid 6912] <... rseq resumed>) = 0 [pid 6909] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6912] set_robust_list(0x7f39493479a0, 24 [pid 6909] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6906] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... set_robust_list resumed>) = 0 [pid 6909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6906] <... futex resumed>) = 1 [pid 6912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6906] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6904] <... futex resumed>) = 0 [pid 6912] memfd_create("syzkaller", 0 [pid 6909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6904] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... memfd_create resumed>) = 3 [pid 6909] <... mmap resumed>) = 0x7f3949327000 [pid 6906] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6909] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6908] <... close resumed>) = 0 [pid 6906] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6904] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] <... mprotect resumed>) = 0 [pid 6906] <... openat resumed>) = 3 [pid 6906] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6906] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6904] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 1 [pid 6906] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6904] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6908] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6908] <... futex resumed>) = 1 [pid 6906] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] <... futex resumed>) = 0 [pid 6904] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... futex resumed>) = 0 [pid 6912] <... mmap resumed>) = 0x7f3940e00000 [pid 6909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6906] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6905] <... futex resumed>) = 0 [pid 6904] read(0, [pid 6908] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6905] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6908] <... openat resumed>) = 3 [pid 6909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6913 attached => {parent_tid=[6913]}, 88) = 6913 [pid 6913] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6913] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6913] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6909] rt_sigprocmask(SIG_SETMASK, [], [pid 6908] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6905] <... futex resumed>) = 0 [pid 6908] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6906] +++ killed by SIGBUS +++ [pid 6905] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] +++ killed by SIGBUS +++ [pid 6909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6904, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6909] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6905] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6913] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6908] <... mmap resumed>) = 0x200000000000 [pid 6913] memfd_create("syzkaller", 0 [pid 6909] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6913] <... memfd_create resumed>) = 3 [pid 6913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6908] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... mmap resumed>) = 0x7f3940e00000 [pid 6908] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6914 attached , child_tidptr=0x55558704b690) = 6914 [pid 6914] set_robust_list(0x55558704b6a0, 24 [pid 6908] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6905] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... set_robust_list resumed>) = 0 [pid 6905] <... futex resumed>) = 0 [pid 6914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6911] <... write resumed>) = 1048576 [pid 6908] +++ killed by SIGBUS +++ [pid 6905] +++ killed by SIGBUS +++ [pid 6914] <... prctl resumed>) = 0 [pid 6914] setpgid(0, 0 [pid 6911] munmap(0x7f3940e00000, 138412032 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6905, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6911] <... munmap resumed>) = 0 [pid 6914] <... setpgid resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6911] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6914] <... openat resumed>) = 3 [pid 6911] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6911] close(3./strace-static-x86_64: Process 6915 attached [pid 6914] write(3, "1000", 4) = 4 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6915 [pid 6914] close(3 [pid 6915] set_robust_list(0x55558704b6a0, 24 [pid 6914] <... close resumed>) = 0 [pid 6915] <... set_robust_list resumed>) = 0 [pid 6914] write(1, "executing program\n", 18 [pid 6915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6914] <... write resumed>) = 18 [pid 6915] <... prctl resumed>) = 0 [pid 6914] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] setpgid(0, 0 [pid 6914] <... futex resumed>) = 0 [pid 6915] <... setpgid resumed>) = 0 [pid 6914] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6914] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6914] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6914] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6914] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6915] <... openat resumed>) = 3 [pid 6914] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6914] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6915] write(3, "1000", 4 [pid 6914] <... clone3 resumed> => {parent_tid=[6916]}, 88) = 6916 [pid 6915] <... write resumed>) = 4 [pid 6914] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] close(3) = 0 [pid 6914] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6916 attached executing program [pid 6915] write(1, "executing program\n", 18 [pid 6914] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6915] <... write resumed>) = 18 [pid 6914] <... futex resumed>) = 0 [pid 6916] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6914] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6915] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... write resumed>) = 1048576 [pid 6916] <... rseq resumed>) = 0 [pid 6915] <... futex resumed>) = 0 [pid 6915] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6916] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6911] <... close resumed>) = 0 [pid 6916] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6912] munmap(0x7f3940e00000, 138412032 [pid 6911] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6916] memfd_create("syzkaller", 0 [pid 6915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6916] <... memfd_create resumed>) = 3 [pid 6915] <... mmap resumed>) = 0x7f3949327000 [pid 6911] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6915] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6911] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] <... mmap resumed>) = 0x7f3940e00000 [pid 6915] <... mprotect resumed>) = 0 [pid 6912] <... munmap resumed>) = 0 [pid 6911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = 0 [pid 6911] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6907] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6911] <... openat resumed>) = 3 [pid 6915] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6913] <... write resumed>) = 1048576 [pid 6912] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6911] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6913] munmap(0x7f3940e00000, 138412032 [pid 6911] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6917 attached [pid 6916] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6913] <... munmap resumed>) = 0 [pid 6912] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6911] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6907] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6915] <... clone3 resumed> => {parent_tid=[6917]}, 88) = 6917 [pid 6907] <... futex resumed>) = 0 [pid 6917] <... rseq resumed>) = 0 [pid 6915] rt_sigprocmask(SIG_SETMASK, [], [pid 6917] set_robust_list(0x7f39493479a0, 24 [pid 6915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6907] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... set_robust_list resumed>) = 0 [pid 6915] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] rt_sigprocmask(SIG_SETMASK, [], [pid 6915] <... futex resumed>) = 0 [pid 6913] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6911] <... mmap resumed>) = 0x200000000000 [pid 6917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6915] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6913] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6917] memfd_create("syzkaller", 0) = 3 [pid 6917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6913] close(3 [pid 6912] close(3 [pid 6911] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6911] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = 0 [pid 6913] <... close resumed>) = 0 [pid 6912] <... close resumed>) = 0 [pid 6911] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6907] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 6911] +++ killed by SIGBUS +++ [pid 6907] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6907, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6912] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6918 attached [pid 6917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6916] <... write resumed>) = 1048576 [pid 6913] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6918 [pid 6918] set_robust_list(0x55558704b6a0, 24 [pid 6916] munmap(0x7f3940e00000, 138412032 [pid 6912] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... set_robust_list resumed>) = 0 [pid 6912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 [pid 6912] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6910] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] <... futex resumed>) = 1 [pid 6913] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] <... openat resumed>) = 3 [pid 6909] <... futex resumed>) = 0 [pid 6912] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6917] <... write resumed>) = 1048576 [pid 6916] <... munmap resumed>) = 0 [pid 6913] <... futex resumed>) = 0 [pid 6912] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6918] <... prctl resumed>) = 0 [pid 6910] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6910] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6909] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] setpgid(0, 0 [pid 6912] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6918] <... setpgid resumed>) = 0 [pid 6916] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6913] <... openat resumed>) = 3 [pid 6913] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6909] <... futex resumed>) = 0 [pid 6913] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6917] munmap(0x7f3940e00000, 138412032 [pid 6918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6916] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6912] <... mmap resumed>) = 0x200000000000 [pid 6909] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... openat resumed>) = 3 [pid 6917] <... munmap resumed>) = 0 [pid 6916] close(3 [pid 6913] <... futex resumed>) = 0 [pid 6912] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 1 [pid 6918] write(3, "1000", 4 [pid 6913] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6909] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] <... mmap resumed>) = 0x200000000000 [pid 6918] <... write resumed>) = 4 [pid 6913] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6918] close(3 [pid 6917] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6913] <... futex resumed>) = 1 [pid 6912] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 0 [pid 6918] <... close resumed>) = 0 [pid 6917] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6913] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... futex resumed>) = 0 executing program [pid 6909] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] write(1, "executing program\n", 18 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6912] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6910] syscall_0xfffffffffffffff5(0x1, 0x7f39493e607e, 0x12, 0, 0, 0 [pid 6909] <... futex resumed>) = 0 [pid 6917] close(3 [pid 6913] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6909] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] <... write resumed>) = 18 [pid 6918] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6909] <... futex resumed>) = ? [pid 6918] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6913] +++ killed by SIGBUS +++ [pid 6909] +++ killed by SIGBUS +++ [pid 6918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6909, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6918] <... mmap resumed>) = 0x7f3949327000 [pid 6916] <... close resumed>) = 0 [pid 6917] <... close resumed>) = 0 [pid 6918] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6916] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] +++ killed by SIGBUS +++ [pid 6910] +++ killed by SIGBUS +++ [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6918] <... mprotect resumed>) = 0 [pid 6917] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = 0 [pid 6917] <... futex resumed>) = 1 [pid 6916] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] <... futex resumed>) = 0 [pid 6914] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6910, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6918] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6917] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6915] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... futex resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6918] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6916] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6915] <... futex resumed>) = 0 [pid 6914] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6917] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6915] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6920 attached ./strace-static-x86_64: Process 6919 attached [pid 6917] <... openat resumed>) = 3 [pid 6916] <... openat resumed>) = 3 [pid 6919] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6918] <... clone3 resumed> => {parent_tid=[6919]}, 88) = 6919 [pid 6917] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... futex resumed>) = 0 [pid 6915] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] set_robust_list(0x55558704b6a0, 24 [pid 6919] <... rseq resumed>) = 0 [pid 6916] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... futex resumed>) = 0 [pid 6920] <... set_robust_list resumed>) = 0 [pid 6919] set_robust_list(0x7f39493479a0, 24 [pid 6918] rt_sigprocmask(SIG_SETMASK, [], [pid 6917] <... futex resumed>) = 1 [pid 6916] <... futex resumed>) = 1 [pid 6915] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6919] <... set_robust_list resumed>) = 0 [pid 6918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6917] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6916] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] <... futex resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6920 [pid 6920] <... prctl resumed>) = 0 [pid 6919] rt_sigprocmask(SIG_SETMASK, [], [pid 6918] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... mmap resumed>) = 0x200000000000 [pid 6914] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] setpgid(0, 0 [pid 6919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6918] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6918] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6914] <... futex resumed>) = 1 [pid 6920] <... setpgid resumed>) = 0 [pid 6919] memfd_create("syzkaller", 0 [pid 6917] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6916] <... futex resumed>) = 0 [pid 6914] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6917] <... futex resumed>) = 1 [pid 6915] <... futex resumed>) = 0 [pid 6917] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6915] <... futex resumed>) = 0 [pid 6917] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6916] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6915] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] <... memfd_create resumed>) = 3 [pid 6916] <... mmap resumed>) = 0x200000000000 [pid 6915] <... futex resumed>) = ? [pid 6920] <... openat resumed>) = 3 [pid 6919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6917] +++ killed by SIGBUS +++ [pid 6916] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] +++ killed by SIGBUS +++ [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6920] write(3, "1000", 4 [pid 6919] <... mmap resumed>) = 0x7f3940e00000 [pid 6920] <... write resumed>) = 4 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6916] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = 0 [pid 6920] close(3 [pid 6914] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6915, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6920] <... close resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6916] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6914] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6920] write(1, "executing program\n", 18 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6920] <... write resumed>) = 18 [pid 6920] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6920] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 6921 attached [pid 6919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6914] <... futex resumed>) = ? [pid 5828] <... restart_syscall resumed>) = 0 [pid 6921] set_robust_list(0x55558704b6a0, 24 [pid 6920] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6919] <... write resumed>) = 1048576 [pid 6916] +++ killed by SIGBUS +++ [pid 6914] +++ killed by SIGBUS +++ [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6921 [pid 6920] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6920] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6921] <... set_robust_list resumed>) = 0 [pid 6920] <... mprotect resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6920] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6921] <... prctl resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6914, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6920] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6920] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6922 attached [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6921] setpgid(0, 0 [pid 6920] <... clone3 resumed> => {parent_tid=[6922]}, 88) = 6922 [pid 6920] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6921] <... setpgid resumed>) = 0 [pid 6920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6920] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6922] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6920] <... futex resumed>) = 0 [pid 6920] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6919] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6924 attached ./strace-static-x86_64: Process 6923 attached [pid 6922] <... rseq resumed>) = 0 [pid 6921] <... openat resumed>) = 3 [pid 6922] set_robust_list(0x7f39493479a0, 24 [pid 6924] set_robust_list(0x55558704b6a0, 24 [pid 6923] set_robust_list(0x55558704b6a0, 24 [pid 6922] <... set_robust_list resumed>) = 0 [pid 6921] write(3, "1000", 4 [pid 6919] <... munmap resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6924 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6923 [pid 6924] <... set_robust_list resumed>) = 0 [pid 6923] <... set_robust_list resumed>) = 0 [pid 6922] rt_sigprocmask(SIG_SETMASK, [], [pid 6921] <... write resumed>) = 4 [pid 6922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6922] memfd_create("syzkaller", 0 [pid 6921] close(3 [pid 6924] <... prctl resumed>) = 0 [pid 6923] <... prctl resumed>) = 0 [pid 6921] <... close resumed>) = 0 [pid 6919] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 6924] setpgid(0, 0 [pid 6923] setpgid(0, 0 [pid 6921] write(1, "executing program\n", 18 [pid 6919] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6924] <... setpgid resumed>) = 0 [pid 6923] <... setpgid resumed>) = 0 [pid 6921] <... write resumed>) = 18 [pid 6921] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6922] <... memfd_create resumed>) = 3 [pid 6924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6921] <... futex resumed>) = 0 [pid 6922] <... mmap resumed>) = 0x7f3940e00000 [pid 6919] close(3 [pid 6923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6924] <... openat resumed>) = 3 [pid 6923] <... openat resumed>) = 3 [pid 6921] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6923] write(3, "1000", 4 [pid 6921] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6923] <... write resumed>) = 4 [pid 6921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6924] write(3, "1000", 4 [pid 6923] close(3 [pid 6921] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6924] <... write resumed>) = 4 [pid 6923] <... close resumed>) = 0 [pid 6921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6924] close(3 [pid 6923] write(1, "executing program\n", 18 [pid 6921] <... mmap resumed>) = 0x7f3949327000 [pid 6924] <... close resumed>) = 0 [pid 6923] <... write resumed>) = 18 [pid 6921] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6924] write(1, "executing program\n", 18 [pid 6923] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... mprotect resumed>) = 0 executing program [pid 6924] <... write resumed>) = 18 [pid 6923] <... futex resumed>) = 0 [pid 6922] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6921] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6924] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6921] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6924] <... futex resumed>) = 0 [pid 6923] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6923] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6921] <... clone3 resumed> => {parent_tid=[6925]}, 88) = 6925 [pid 6924] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6921] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6921] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6925 attached [pid 6924] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6923] <... clone3 resumed> => {parent_tid=[6926]}, 88) = 6926 [pid 6921] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6923] rt_sigprocmask(SIG_SETMASK, [], [pid 6921] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6926 attached [pid 6925] <... rseq resumed>) = 0 [pid 6924] <... mmap resumed>) = 0x7f3949327000 [pid 6923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6921] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6925] set_robust_list(0x7f39493479a0, 24 [pid 6924] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6923] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] <... set_robust_list resumed>) = 0 [pid 6924] <... mprotect resumed>) = 0 [pid 6923] <... futex resumed>) = 0 [pid 6926] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6925] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6923] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6926] <... rseq resumed>) = 0 [pid 6925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6924] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6919] <... close resumed>) = 0 [pid 6926] set_robust_list(0x7f39493479a0, 24 [pid 6924] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6927 attached [pid 6926] <... set_robust_list resumed>) = 0 [pid 6925] memfd_create("syzkaller", 0 [pid 6927] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6926] rt_sigprocmask(SIG_SETMASK, [], [pid 6924] <... clone3 resumed> => {parent_tid=[6927]}, 88) = 6927 [pid 6919] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... rseq resumed>) = 0 [pid 6926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6925] <... memfd_create resumed>) = 3 [pid 6924] rt_sigprocmask(SIG_SETMASK, [], [pid 6918] <... futex resumed>) = 0 [pid 6927] set_robust_list(0x7f39493479a0, 24 [pid 6924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6926] memfd_create("syzkaller", 0 [pid 6919] <... futex resumed>) = 1 [pid 6918] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... set_robust_list resumed>) = 0 [pid 6926] <... memfd_create resumed>) = 3 [pid 6925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6924] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6918] <... futex resumed>) = 0 [pid 6927] rt_sigprocmask(SIG_SETMASK, [], [pid 6926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6925] <... mmap resumed>) = 0x7f3940e00000 [pid 6924] <... futex resumed>) = 0 [pid 6919] <... openat resumed>) = 3 [pid 6918] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6919] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... futex resumed>) = 0 [pid 6919] <... futex resumed>) = 1 [pid 6918] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6918] <... futex resumed>) = 0 [pid 6919] <... mmap resumed>) = 0x200000000000 [pid 6918] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6926] <... mmap resumed>) = 0x7f3940e00000 [pid 6925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6922] <... write resumed>) = 1048576 [pid 6927] memfd_create("syzkaller", 0 [pid 6919] <... futex resumed>) = 1 [pid 6918] <... futex resumed>) = 0 [pid 6922] munmap(0x7f3940e00000, 138412032 [pid 6926] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6922] <... munmap resumed>) = 0 [pid 6922] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6919] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6918] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... memfd_create resumed>) = 3 [pid 6922] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6918] <... futex resumed>) = ? [pid 6922] close(3 [pid 6919] +++ killed by SIGBUS +++ [pid 6918] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6918, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6927] <... mmap resumed>) = 0x7f3940e00000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6927] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6926] <... write resumed>) = 1048576 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6926] munmap(0x7f3940e00000, 138412032 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6922] <... close resumed>) = 0 [pid 6927] <... write resumed>) = 1048576 [pid 6926] <... munmap resumed>) = 0 [pid 6925] <... write resumed>) = 1048576 [pid 6922] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6927] munmap(0x7f3940e00000, 138412032 [pid 6926] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6925] munmap(0x7f3940e00000, 138412032 [pid 6922] <... futex resumed>) = 1 [pid 6920] <... futex resumed>) = 0 [pid 6927] <... munmap resumed>) = 0 [pid 6926] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6922] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6920] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] close(3 [pid 6920] <... futex resumed>) = 0 [pid 6920] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6922] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 ./strace-static-x86_64: Process 6928 attached [pid 6927] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6926] <... close resumed>) = 0 [pid 6925] <... munmap resumed>) = 0 [pid 6928] set_robust_list(0x55558704b6a0, 24 [pid 6927] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6926] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6922] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6928 [pid 6928] <... set_robust_list resumed>) = 0 [pid 6927] close(3 [pid 6926] <... futex resumed>) = 1 [pid 6925] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6923] <... futex resumed>) = 0 [pid 6922] <... futex resumed>) = 1 [pid 6920] <... futex resumed>) = 0 [pid 6926] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = 1 [pid 6922] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6920] <... futex resumed>) = 0 [pid 6925] close(3 [pid 6928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6926] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6920] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] <... openat resumed>) = 3 [pid 6926] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6926] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] <... prctl resumed>) = 0 [pid 6927] <... close resumed>) = 0 [pid 6925] <... close resumed>) = 0 [pid 6923] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] <... mmap resumed>) = 0x200000000000 [pid 6928] setpgid(0, 0 [pid 6927] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... setpgid resumed>) = 0 [pid 6927] <... futex resumed>) = 1 [pid 6925] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6922] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6927] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6925] <... futex resumed>) = 1 [pid 6924] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6922] <... futex resumed>) = 1 [pid 6921] <... futex resumed>) = 0 [pid 6920] <... futex resumed>) = 0 [pid 6928] <... openat resumed>) = 3 [pid 6927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6926] <... futex resumed>) = 0 [pid 6925] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = 1 [pid 6922] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6921] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] write(3, "1000", 4 [pid 6927] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6926] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6924] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6921] <... futex resumed>) = 0 [pid 6920] <... futex resumed>) = 0 [pid 6928] <... write resumed>) = 4 [pid 6927] <... openat resumed>) = 3 [pid 6926] <... mmap resumed>) = 0x200000000000 [pid 6925] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6922] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6921] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6928] close(3 [pid 6927] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] <... openat resumed>) = 3 [pid 6928] <... close resumed>) = 0 [pid 6927] <... futex resumed>) = 1 [pid 6926] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 executing program [pid 6923] <... futex resumed>) = 0 [pid 6922] +++ killed by SIGBUS +++ [pid 6920] +++ killed by SIGBUS +++ [pid 6928] write(1, "executing program\n", 18 [pid 6927] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6926] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6925] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6920, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6928] <... write resumed>) = 18 [pid 6927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6925] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = 0 [pid 6923] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6928] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6926] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6925] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6923] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6928] <... futex resumed>) = 0 [pid 6927] <... mmap resumed>) = 0x200000000000 [pid 6925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] <... futex resumed>) = ? [pid 6921] <... futex resumed>) = 0 [pid 6928] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6927] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6921] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6927] <... futex resumed>) = 1 [pid 6925] <... mmap resumed>) = 0x200000000000 [pid 6927] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6925] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6926] +++ killed by SIGBUS +++ [pid 6924] <... futex resumed>) = 0 [pid 6923] +++ killed by SIGBUS +++ [pid 6921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6924] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6923, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 1 [pid 6921] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6927] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6925] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6928] <... mmap resumed>) = 0x7f3949327000 [pid 6928] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6928] <... mprotect resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6928] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6929 attached ./strace-static-x86_64: Process 6930 attached [pid 6929] set_robust_list(0x55558704b6a0, 24 [pid 6928] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6927] +++ killed by SIGBUS +++ [pid 6924] +++ killed by SIGBUS +++ [pid 6929] <... set_robust_list resumed>) = 0 [pid 6930] set_robust_list(0x55558704b6a0, 24 [pid 6929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6924, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6931 attached [pid 6930] <... set_robust_list resumed>) = 0 [pid 6929] <... prctl resumed>) = 0 [pid 6925] +++ killed by SIGBUS +++ [pid 6921] +++ killed by SIGBUS +++ [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6930 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6929 [pid 6931] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6929] setpgid(0, 0 [pid 6928] <... clone3 resumed> => {parent_tid=[6931]}, 88) = 6931 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6921, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6931] <... rseq resumed>) = 0 [pid 6930] <... prctl resumed>) = 0 [pid 6929] <... setpgid resumed>) = 0 [pid 6928] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6931] set_robust_list(0x7f39493479a0, 24 [pid 6930] setpgid(0, 0 [pid 6929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... restart_syscall resumed>) = 0 [pid 6931] <... set_robust_list resumed>) = 0 [pid 6931] rt_sigprocmask(SIG_SETMASK, [], [pid 6930] <... setpgid resumed>) = 0 [pid 6928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6929] <... openat resumed>) = 3 [pid 6931] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6929] write(3, "1000", 4 [pid 6928] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6931] <... futex resumed>) = 0 [pid 6929] <... write resumed>) = 4 [pid 6928] <... futex resumed>) = 1 [pid 6931] memfd_create("syzkaller", 0 [pid 6929] close(3 [pid 6928] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6930] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6932 attached [pid 6931] <... memfd_create resumed>) = 3 [pid 6930] write(3, "1000", 4 [pid 6929] <... close resumed>) = 0 executing program [pid 6929] write(1, "executing program\n", 18 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6932] set_robust_list(0x55558704b6a0, 24 [pid 6930] <... write resumed>) = 4 [pid 6932] <... set_robust_list resumed>) = 0 [pid 6931] <... mmap resumed>) = 0x7f3940e00000 [pid 6930] close(3 [pid 6932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6929] <... write resumed>) = 18 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6932 [pid 6932] <... prctl resumed>) = 0 [pid 6930] <... close resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6932] setpgid(0, 0 [pid 6930] write(1, "executing program\n", 18 [pid 6929] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6932] <... setpgid resumed>) = 0 [pid 6930] <... write resumed>) = 18 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6929] <... futex resumed>) = 0 [pid 6929] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6930] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6929] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6933 attached [pid 6929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6933] set_robust_list(0x55558704b6a0, 24 [pid 6932] <... openat resumed>) = 3 [pid 6931] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6930] <... futex resumed>) = 0 [pid 6929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6933] <... set_robust_list resumed>) = 0 [pid 6932] write(3, "1000", 4 [pid 6930] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6932] <... write resumed>) = 4 [pid 6930] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6932] close(3 [pid 6930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6933 ./strace-static-x86_64: Process 6934 attached executing program [pid 6930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6933] <... prctl resumed>) = 0 [pid 6932] <... close resumed>) = 0 [pid 6930] <... mmap resumed>) = 0x7f3949327000 [pid 6929] <... clone3 resumed> => {parent_tid=[6934]}, 88) = 6934 [pid 6932] write(1, "executing program\n", 18 [pid 6934] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6933] setpgid(0, 0 [pid 6932] <... write resumed>) = 18 [pid 6930] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6934] <... rseq resumed>) = 0 [pid 6933] <... setpgid resumed>) = 0 [pid 6932] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] rt_sigprocmask(SIG_SETMASK, [], [pid 6930] <... mprotect resumed>) = 0 [pid 6929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6929] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6932] <... futex resumed>) = 0 [pid 6929] <... futex resumed>) = 0 [pid 6934] set_robust_list(0x7f39493479a0, 24 [pid 6929] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6930] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6932] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6934] <... set_robust_list resumed>) = 0 [pid 6932] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6934] rt_sigprocmask(SIG_SETMASK, [], [pid 6930] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6933] <... openat resumed>) = 3 [pid 6932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6930] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6935 attached [pid 6934] memfd_create("syzkaller", 0 [pid 6933] write(3, "1000", 4 [pid 6932] <... mmap resumed>) = 0x7f3949327000 [pid 6935] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6934] <... memfd_create resumed>) = 3 [pid 6933] <... write resumed>) = 4 [pid 6932] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6931] <... write resumed>) = 1048576 [pid 6930] <... clone3 resumed> => {parent_tid=[6935]}, 88) = 6935 [pid 6935] set_robust_list(0x7f39493479a0, 24 [pid 6934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6933] close(3 [pid 6932] <... mprotect resumed>) = 0 [pid 6930] rt_sigprocmask(SIG_SETMASK, [], [pid 6933] <... close resumed>) = 0 [pid 6933] write(1, "executing program\n", 18executing program [pid 6930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6934] <... mmap resumed>) = 0x7f3940e00000 [pid 6933] <... write resumed>) = 18 [pid 6930] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... set_robust_list resumed>) = 0 [pid 6930] <... futex resumed>) = 0 [pid 6933] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] rt_sigprocmask(SIG_SETMASK, [], [pid 6930] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6935] memfd_create("syzkaller", 0) = 3 [pid 6935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6934] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6933] <... futex resumed>) = 0 [pid 6932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6931] munmap(0x7f3940e00000, 138412032 [pid 6933] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6931] <... munmap resumed>) = 0 [pid 6933] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6932] <... clone3 resumed> => {parent_tid=[6936]}, 88) = 6936 [pid 6933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6932] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6936 attached ) = 0x7f3949327000 [pid 6932] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6936] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6933] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6931] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6936] <... rseq resumed>) = 0 [pid 6933] <... mprotect resumed>) = 0 [pid 6931] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6936] set_robust_list(0x7f39493479a0, 24 [pid 6931] close(3 [pid 6936] <... set_robust_list resumed>) = 0 [pid 6933] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6936] rt_sigprocmask(SIG_SETMASK, [], [pid 6933] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6936] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6937 attached ) = 3 [pid 6933] <... clone3 resumed> => {parent_tid=[6937]}, 88) = 6937 [pid 6933] rt_sigprocmask(SIG_SETMASK, [], [pid 6937] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6937] <... rseq resumed>) = 0 [pid 6933] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] set_robust_list(0x7f39493479a0, 24 [pid 6936] <... mmap resumed>) = 0x7f3940e00000 [pid 6935] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6937] <... set_robust_list resumed>) = 0 [pid 6934] <... write resumed>) = 1048576 [pid 6933] <... futex resumed>) = 0 [pid 6936] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6937] rt_sigprocmask(SIG_SETMASK, [], [pid 6935] <... write resumed>) = 1048576 [pid 6934] munmap(0x7f3940e00000, 138412032 [pid 6933] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6931] <... close resumed>) = 0 [pid 6937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6935] munmap(0x7f3940e00000, 138412032 [pid 6931] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] memfd_create("syzkaller", 0 [pid 6931] <... futex resumed>) = 1 [pid 6931] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] <... futex resumed>) = 0 [pid 6928] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = 0 [pid 6928] <... futex resumed>) = 1 [pid 6931] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6928] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] <... munmap resumed>) = 0 [pid 6937] <... memfd_create resumed>) = 3 [pid 6937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6935] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6931] <... openat resumed>) = 3 [pid 6931] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6928] <... futex resumed>) = 0 [pid 6928] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6928] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... mmap resumed>) = 0x7f3940e00000 [pid 6935] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6931] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6928] <... futex resumed>) = 0 [pid 6928] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6928] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] <... futex resumed>) = 1 [pid 6931] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6928] <... futex resumed>) = ? [pid 6937] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6936] <... write resumed>) = 1048576 [pid 6935] close(3 [pid 6934] <... munmap resumed>) = 0 [pid 6931] +++ killed by SIGBUS +++ [pid 6928] +++ killed by SIGBUS +++ [pid 6936] munmap(0x7f3940e00000, 138412032 [pid 6934] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6936] <... munmap resumed>) = 0 [pid 6934] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6934] close(3 [pid 6937] <... write resumed>) = 1048576 [pid 6936] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6935] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6928, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6935] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... close resumed>) = 0 [pid 6937] munmap(0x7f3940e00000, 138412032 [pid 6936] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6930] <... futex resumed>) = 0 [pid 6930] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6935] <... futex resumed>) = 1 [pid 6930] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] close(3 [pid 6935] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6934] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6935] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6935] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6938 attached [pid 6935] <... futex resumed>) = 1 [pid 6934] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] <... futex resumed>) = 0 [pid 6929] <... futex resumed>) = 0 [pid 6930] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6930] <... futex resumed>) = 0 [pid 6938] set_robust_list(0x55558704b6a0, 24 [pid 6937] <... munmap resumed>) = 0 [pid 6935] <... mmap resumed>) = 0x200000000000 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... set_robust_list resumed>) = 0 [pid 6935] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6929] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6938 [pid 6938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6937] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6935] <... futex resumed>) = 0 [pid 6934] <... openat resumed>) = 3 [pid 6930] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... prctl resumed>) = 0 [pid 6937] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6935] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6934] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = ? [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6938] setpgid(0, 0 [pid 6937] close(3 [pid 6934] <... futex resumed>) = 0 [pid 6929] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] +++ killed by SIGBUS +++ [pid 6934] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6930] +++ killed by SIGBUS +++ [pid 6938] <... setpgid resumed>) = 0 [pid 6936] <... close resumed>) = 0 [pid 6929] <... futex resumed>) = 0 [pid 6938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6936] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... mmap resumed>) = 0x200000000000 [pid 6929] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6930, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6938] <... openat resumed>) = 3 [pid 6936] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6938] write(3, "1000", 4 [pid 6936] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6938] <... write resumed>) = 4 [pid 6937] <... close resumed>) = 0 executing program [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [pid 6929] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6939 attached [pid 6938] close(3 [pid 6937] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6934] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6939 [pid 6938] <... close resumed>) = 0 [pid 6936] <... openat resumed>) = 3 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6929] <... futex resumed>) = 0 [pid 6936] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6939] set_robust_list(0x55558704b6a0, 24 [pid 6938] write(1, "executing program\n", 18 [pid 6937] <... futex resumed>) = 1 [pid 6936] <... futex resumed>) = 1 [pid 6933] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = 0 [pid 6939] <... set_robust_list resumed>) = 0 [pid 6938] <... write resumed>) = 18 [pid 6937] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6936] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] +++ killed by SIGBUS +++ [pid 6933] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6938] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6933] <... futex resumed>) = 0 [pid 6932] <... futex resumed>) = 0 [pid 6938] <... futex resumed>) = 0 [pid 6937] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6936] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6933] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] <... prctl resumed>) = 0 [pid 6938] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6929] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6929, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6936] <... mmap resumed>) = 0x200000000000 [pid 6939] setpgid(0, 0 [pid 6938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6936] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... setpgid resumed>) = 0 [pid 6937] <... openat resumed>) = 3 [pid 6938] <... mmap resumed>) = 0x7f3949327000 [pid 6936] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = 0 [pid 6932] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6932] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6938] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6937] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6938] <... mprotect resumed>) = 0 [pid 6937] <... futex resumed>) = 1 [pid 6933] <... futex resumed>) = 0 [pid 6937] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6933] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6932] <... futex resumed>) = ? [pid 6937] <... mmap resumed>) = 0x200000000000 [pid 6936] +++ killed by SIGBUS +++ [pid 6933] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... restart_syscall resumed>) = 0 [pid 6938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6939] <... openat resumed>) = 3 [pid 6938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6937] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] +++ killed by SIGBUS +++ [pid 6939] write(3, "1000", 4 [pid 6938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6937] <... futex resumed>) = 1 [pid 6939] <... write resumed>) = 4 [pid 6933] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6932, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 6941 attached ./strace-static-x86_64: Process 6940 attached [pid 6939] close(3 [pid 6937] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6933] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6941] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6940] set_robust_list(0x55558704b6a0, 24 [pid 6939] <... close resumed>) = 0 executing program [pid 6938] <... clone3 resumed> => {parent_tid=[6941]}, 88) = 6941 [pid 6933] <... futex resumed>) = ? [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6940 [pid 6941] <... rseq resumed>) = 0 [pid 6940] <... set_robust_list resumed>) = 0 [pid 6939] write(1, "executing program\n", 18 [pid 6941] set_robust_list(0x7f39493479a0, 24 [pid 6940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6941] <... set_robust_list resumed>) = 0 [pid 6941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6940] <... prctl resumed>) = 0 [pid 6941] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] setpgid(0, 0) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6939] <... write resumed>) = 18 [pid 6938] rt_sigprocmask(SIG_SETMASK, [], [pid 6937] +++ killed by SIGBUS +++ [pid 6933] +++ killed by SIGBUS +++ [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6940] <... openat resumed>) = 3 [pid 6939] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6939] <... futex resumed>) = 0 [pid 6938] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6938] <... futex resumed>) = 1 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6933, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6939] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6938] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6939] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6941] <... futex resumed>) = 0 [pid 6940] write(3, "1000", 4 [pid 6939] <... mmap resumed>) = 0x7f3949327000 ./strace-static-x86_64: Process 6942 attached [pid 6941] memfd_create("syzkaller", 0 [pid 6940] <... write resumed>) = 4 [pid 6940] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6942 [pid 6940] <... close resumed>) = 0 executing program [pid 6941] <... memfd_create resumed>) = 3 [pid 6942] set_robust_list(0x55558704b6a0, 24 [pid 6940] write(1, "executing program\n", 18 [pid 6939] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6942] <... set_robust_list resumed>) = 0 [pid 6941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6940] <... write resumed>) = 18 [pid 6939] <... mprotect resumed>) = 0 [pid 6942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6941] <... mmap resumed>) = 0x7f3940e00000 [pid 6940] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6939] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6943 attached [pid 6943] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6939] <... clone3 resumed> => {parent_tid=[6943]}, 88) = 6943 [pid 6943] <... rseq resumed>) = 0 [pid 6939] rt_sigprocmask(SIG_SETMASK, [], [pid 6943] set_robust_list(0x7f39493479a0, 24 [pid 6939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6943] <... set_robust_list resumed>) = 0 [pid 6943] rt_sigprocmask(SIG_SETMASK, [], [pid 6939] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6943] memfd_create("syzkaller", 0 [pid 6939] <... futex resumed>) = 0 [pid 6939] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6943] <... memfd_create resumed>) = 3 [pid 6942] <... prctl resumed>) = 0 [pid 6941] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6940] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6942] setpgid(0, 0 [pid 6940] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6943] <... mmap resumed>) = 0x7f3940e00000 [pid 6942] <... setpgid resumed>) = 0 [pid 6940] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6940] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6940] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6942] <... openat resumed>) = 3 [pid 6940] <... mprotect resumed>) = 0 [pid 6940] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6942] write(3, "1000", 4) = 4 [pid 6942] close(3./strace-static-x86_64: Process 6944 attached [pid 6940] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6944 [pid 6942] <... close resumed>) = 0 [pid 6940] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6944] set_robust_list(0x55558704b6a0, 24executing program ) = 0 [pid 6942] write(1, "executing program\n", 18) = 18 [pid 6942] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6942] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 6945 attached [pid 6944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6942] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6940] <... clone3 resumed> => {parent_tid=[6945]}, 88) = 6945 [pid 6944] setpgid(0, 0) = 0 [pid 6942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6940] rt_sigprocmask(SIG_SETMASK, [], [pid 6942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6940] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6940] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6942] <... mmap resumed>) = 0x7f3949327000 [pid 6940] <... futex resumed>) = 0 [pid 6945] <... rseq resumed>) = 0 [pid 6944] <... openat resumed>) = 3 [pid 6942] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6940] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6945] set_robust_list(0x7f39493479a0, 24 [pid 6944] write(3, "1000", 4 [pid 6945] <... set_robust_list resumed>) = 0 [pid 6944] <... write resumed>) = 4 [pid 6945] rt_sigprocmask(SIG_SETMASK, [], [pid 6944] close(3executing program ) = 0 [pid 6942] <... mprotect resumed>) = 0 [pid 6945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6944] write(1, "executing program\n", 18 [pid 6942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6944] <... write resumed>) = 18 [pid 6942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6944] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6945] memfd_create("syzkaller", 0 [pid 6944] <... futex resumed>) = 0 [pid 6941] <... write resumed>) = 1048576 [pid 6944] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6944] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6945] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6946 attached [pid 6945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6943] <... write resumed>) = 1048576 [pid 6941] munmap(0x7f3940e00000, 138412032 [pid 6944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6942] <... clone3 resumed> => {parent_tid=[6946]}, 88) = 6946 [pid 6942] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6942] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6942] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6943] munmap(0x7f3940e00000, 138412032 [pid 6946] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6945] <... mmap resumed>) = 0x7f3940e00000 [pid 6944] <... mmap resumed>) = 0x7f3949327000 [pid 6941] <... munmap resumed>) = 0 [pid 6946] <... rseq resumed>) = 0 [pid 6944] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6943] <... munmap resumed>) = 0 [pid 6941] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6946] set_robust_list(0x7f39493479a0, 24 [pid 6944] <... mprotect resumed>) = 0 [pid 6941] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6946] <... set_robust_list resumed>) = 0 [pid 6944] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6946] rt_sigprocmask(SIG_SETMASK, [], [pid 6945] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6944] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6943] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6941] close(3 [pid 6946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6944] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6947 attached [pid 6943] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6944] <... clone3 resumed> => {parent_tid=[6947]}, 88) = 6947 [pid 6943] close(3 [pid 6947] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6946] memfd_create("syzkaller", 0 [pid 6944] rt_sigprocmask(SIG_SETMASK, [], [pid 6947] <... rseq resumed>) = 0 [pid 6944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6947] set_robust_list(0x7f39493479a0, 24 [pid 6944] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... set_robust_list resumed>) = 0 [pid 6944] <... futex resumed>) = 0 [pid 6947] rt_sigprocmask(SIG_SETMASK, [], [pid 6944] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6947] memfd_create("syzkaller", 0) = 3 [pid 6946] <... memfd_create resumed>) = 3 [pid 6941] <... close resumed>) = 0 [pid 6947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6945] <... write resumed>) = 1048576 [pid 6941] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... mmap resumed>) = 0x7f3940e00000 [pid 6946] <... mmap resumed>) = 0x7f3940e00000 [pid 6945] munmap(0x7f3940e00000, 138412032 [pid 6943] <... close resumed>) = 0 [pid 6945] <... munmap resumed>) = 0 [pid 6941] <... futex resumed>) = 1 [pid 6945] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6941] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6945] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6943] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... futex resumed>) = 0 [pid 6945] close(3 [pid 6938] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... futex resumed>) = 1 [pid 6939] <... futex resumed>) = 0 [pid 6939] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6939] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] <... futex resumed>) = 1 [pid 6941] <... futex resumed>) = 0 [pid 6941] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6943] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6941] <... openat resumed>) = 3 [pid 6938] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6938] <... futex resumed>) = 0 [pid 6938] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6938] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 0 [pid 6938] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6938] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6938] <... futex resumed>) = ? [pid 6941] +++ killed by SIGBUS +++ [pid 6938] +++ killed by SIGBUS +++ [pid 6945] <... close resumed>) = 0 [pid 6947] <... write resumed>) = 1048576 [pid 6946] <... write resumed>) = 1048576 [pid 6945] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6938, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6947] munmap(0x7f3940e00000, 138412032 [pid 6945] <... futex resumed>) = 1 [pid 6940] <... futex resumed>) = 0 [pid 6946] munmap(0x7f3940e00000, 138412032 [pid 6943] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... munmap resumed>) = 0 [pid 6945] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6943] <... futex resumed>) = 1 [pid 6940] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... futex resumed>) = 0 [pid 6947] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6946] <... munmap resumed>) = 0 [pid 6945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6940] <... futex resumed>) = 0 [pid 6939] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6946] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6945] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6943] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6940] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6947] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6946] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6945] <... openat resumed>) = 3 [pid 6943] <... mmap resumed>) = 0x200000000000 [pid 6939] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6947] close(3 [pid 6945] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6948 attached [pid 6946] close(3 [pid 6943] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6948 [pid 6939] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... futex resumed>) = 0 [pid 6940] <... futex resumed>) = 0 [pid 6939] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6943] <... futex resumed>) = 1 [pid 6940] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] set_robust_list(0x55558704b6a0, 24 [pid 6945] <... futex resumed>) = 1 [pid 6943] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6945] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 0 [pid 6945] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = ? [pid 6940] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6940] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6940] <... futex resumed>) = ? [pid 6948] <... prctl resumed>) = 0 [pid 6945] +++ killed by SIGBUS +++ [pid 6943] +++ killed by SIGBUS +++ [pid 6940] +++ killed by SIGBUS +++ [pid 6939] +++ killed by SIGBUS +++ [pid 6948] setpgid(0, 0) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6939, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6940, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6948] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6949 attached [pid 6948] write(3, "1000", 4 [pid 6947] <... close resumed>) = 0 [pid 6946] <... close resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6949] set_robust_list(0x55558704b6a0, 24 [pid 6948] <... write resumed>) = 4 [pid 6946] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6949 [pid 6949] <... set_robust_list resumed>) = 0 [pid 6948] close(3 [pid 6947] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 0 [pid 6948] <... close resumed>) = 0 [pid 6947] <... futex resumed>) = 1 executing program [pid 6949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6948] write(1, "executing program\n", 18 [pid 6947] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] <... prctl resumed>) = 0 [pid 6948] <... write resumed>) = 18 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6948] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] setpgid(0, 0 [pid 6948] <... futex resumed>) = 0 [pid 6946] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6949] <... setpgid resumed>) = 0 [pid 6948] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6944] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6944] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 ./strace-static-x86_64: Process 6950 attached [pid 6949] <... openat resumed>) = 3 [pid 6947] <... futex resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 6944] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 1 [pid 6947] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6946] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6950] set_robust_list(0x55558704b6a0, 24 [pid 6944] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] write(3, "1000", 4 [pid 6948] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6949] <... write resumed>) = 4 [pid 6948] <... mprotect resumed>) = 0 executing program [pid 6950] <... set_robust_list resumed>) = 0 [pid 6949] close(3 [pid 6948] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6946] <... openat resumed>) = 3 [pid 6942] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] <... close resumed>) = 0 [pid 6949] write(1, "executing program\n", 18 [pid 6948] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6949] <... write resumed>) = 18 [pid 6948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6950] <... prctl resumed>) = 0 [pid 6949] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6950 ./strace-static-x86_64: Process 6951 attached [pid 6949] <... futex resumed>) = 0 [pid 6948] <... clone3 resumed> => {parent_tid=[6951]}, 88) = 6951 [pid 6946] <... futex resumed>) = 1 [pid 6942] <... futex resumed>) = 0 [pid 6951] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6950] setpgid(0, 0 [pid 6949] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6948] rt_sigprocmask(SIG_SETMASK, [], [pid 6942] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... rseq resumed>) = 0 [pid 6950] <... setpgid resumed>) = 0 [pid 6949] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6942] <... futex resumed>) = 0 [pid 6946] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6951] set_robust_list(0x7f39493479a0, 24 [pid 6949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6948] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6951] <... set_robust_list resumed>) = 0 [pid 6949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6951] rt_sigprocmask(SIG_SETMASK, [], [pid 6950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6948] <... futex resumed>) = 0 [pid 6951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] <... mmap resumed>) = 0x7f3949327000 [pid 6948] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6946] <... mmap resumed>) = 0x200000000000 [pid 6951] memfd_create("syzkaller", 0 [pid 6950] <... openat resumed>) = 3 [pid 6949] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6947] <... openat resumed>) = 3 [pid 6950] write(3, "1000", 4 [pid 6947] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... write resumed>) = 4 [pid 6947] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 1 [pid 6944] <... futex resumed>) = 0 [pid 6942] <... futex resumed>) = 0 [pid 6950] close(3 [pid 6947] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6942] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... close resumed>) = 0 [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6944] <... futex resumed>) = 0 [pid 6942] <... futex resumed>) = 0 executing program [pid 6951] <... memfd_create resumed>) = 3 [pid 6950] write(1, "executing program\n", 18 [pid 6949] <... mprotect resumed>) = 0 [pid 6947] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6946] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6944] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6942] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6950] <... write resumed>) = 18 [pid 6949] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6947] <... mmap resumed>) = 0x200000000000 [pid 6951] <... mmap resumed>) = 0x7f3940e00000 [pid 6950] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6947] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] +++ killed by SIGBUS +++ [pid 6942] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 6952 attached [pid 6950] <... futex resumed>) = 0 [pid 6947] <... futex resumed>) = 1 [pid 6944] <... futex resumed>) = 0 [pid 6952] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6950] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6949] <... clone3 resumed> => {parent_tid=[6952]}, 88) = 6952 [pid 6947] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6944] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6942, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6952] <... rseq resumed>) = 0 [pid 6950] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6949] rt_sigprocmask(SIG_SETMASK, [], [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6944] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6952] set_robust_list(0x7f39493479a0, 24 [pid 6950] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6947] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6944] read(0, [pid 6952] <... set_robust_list resumed>) = 0 [pid 6950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6949] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] rt_sigprocmask(SIG_SETMASK, [], [pid 6951] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6949] <... futex resumed>) = 0 [pid 6952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6950] <... mmap resumed>) = 0x7f3949327000 [pid 6949] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6947] +++ killed by SIGBUS +++ [pid 6944] +++ killed by SIGBUS +++ [pid 6950] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... restart_syscall resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6944, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6950] <... mprotect resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6952] memfd_create("syzkaller", 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6950] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6950] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6950] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6953 attached [pid 6953] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6952] <... memfd_create resumed>) = 3 [pid 6953] set_robust_list(0x7f39493479a0, 24 [pid 6952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6950] <... clone3 resumed> => {parent_tid=[6953]}, 88) = 6953 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6953] <... set_robust_list resumed>) = 0 [pid 6952] <... mmap resumed>) = 0x7f3940e00000 [pid 6950] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] <... restart_syscall resumed>) = 0 [pid 6953] rt_sigprocmask(SIG_SETMASK, [], [pid 6950] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6950] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] memfd_create("syzkaller", 0 [pid 6950] <... futex resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6950] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6953] <... memfd_create resumed>) = 3 [pid 6953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6953] <... mmap resumed>) = 0x7f3940e00000 ./strace-static-x86_64: Process 6955 attached ./strace-static-x86_64: Process 6954 attached [pid 6955] set_robust_list(0x55558704b6a0, 24 [pid 6953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6952] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6951] <... write resumed>) = 1048576 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6955 [pid 6955] <... set_robust_list resumed>) = 0 [pid 6954] set_robust_list(0x55558704b6a0, 24 [pid 6955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6954 [pid 6955] <... prctl resumed>) = 0 [pid 6954] <... set_robust_list resumed>) = 0 [pid 6955] setpgid(0, 0 [pid 6954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6953] <... write resumed>) = 1048576 [pid 6952] <... write resumed>) = 1048576 [pid 6951] munmap(0x7f3940e00000, 138412032 [pid 6955] <... setpgid resumed>) = 0 [pid 6954] <... prctl resumed>) = 0 [pid 6953] munmap(0x7f3940e00000, 138412032 [pid 6954] setpgid(0, 0 [pid 6952] munmap(0x7f3940e00000, 138412032 [pid 6951] <... munmap resumed>) = 0 [pid 6955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6954] <... setpgid resumed>) = 0 [pid 6953] <... munmap resumed>) = 0 [pid 6952] <... munmap resumed>) = 0 [pid 6951] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6955] <... openat resumed>) = 3 [pid 6954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6953] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6952] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6951] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6955] write(3, "1000", 4 [pid 6954] <... openat resumed>) = 3 [pid 6951] close(3 [pid 6955] <... write resumed>) = 4 [pid 6954] write(3, "1000", 4 [pid 6953] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6952] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6955] close(3executing program ) = 0 [pid 6954] <... write resumed>) = 4 [pid 6955] write(1, "executing program\n", 18 [pid 6954] close(3 [pid 6955] <... write resumed>) = 18 [pid 6953] close(3 [pid 6952] close(3 [pid 6954] <... close resumed>) = 0 executing program [pid 6951] <... close resumed>) = 0 [pid 6954] write(1, "executing program\n", 18 [pid 6951] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... write resumed>) = 18 [pid 6955] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... futex resumed>) = 1 [pid 6948] <... futex resumed>) = 0 [pid 6954] <... futex resumed>) = 0 [pid 6948] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6951] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6955] <... futex resumed>) = 0 [pid 6952] <... close resumed>) = 0 [pid 6954] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6948] <... futex resumed>) = 0 [pid 6955] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6952] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... openat resumed>) = 3 [pid 6948] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6953] <... close resumed>) = 0 [pid 6951] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6953] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... futex resumed>) = 1 [pid 6951] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 0 [pid 6948] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6954] <... mmap resumed>) = 0x7f3949327000 [pid 6953] <... futex resumed>) = 1 [pid 6952] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6951] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6950] <... futex resumed>) = 0 [pid 6949] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = 0 [pid 6955] <... mmap resumed>) = 0x7f3949327000 [pid 6954] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6953] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6951] <... mmap resumed>) = 0x200000000000 [pid 6950] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... futex resumed>) = 0 [pid 6948] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6954] <... mprotect resumed>) = 0 [pid 6953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6951] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... futex resumed>) = 0 [pid 6949] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] <... mprotect resumed>) = 0 [pid 6954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6953] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6952] <... openat resumed>) = 3 [pid 6951] <... futex resumed>) = 0 [pid 6950] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6952] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6948] <... futex resumed>) = 0 [pid 6955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6953] <... openat resumed>) = 3 [pid 6952] <... futex resumed>) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6948] read(430424320, ./strace-static-x86_64: Process 6956 attached [pid 6955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6953] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6954] <... clone3 resumed> => {parent_tid=[6956]}, 88) = 6956 [pid 6953] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6951] +++ killed by SIGBUS +++ [pid 6950] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 0 [pid 6948] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 6957 attached [pid 6956] <... rseq resumed>) = 0 [pid 6954] rt_sigprocmask(SIG_SETMASK, [], [pid 6953] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6950] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6948, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6957] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6956] set_robust_list(0x7f39493479a0, 24 [pid 6955] <... clone3 resumed> => {parent_tid=[6957]}, 88) = 6957 [pid 6954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... mmap resumed>) = 0x200000000000 [pid 6950] <... futex resumed>) = 0 [pid 6957] <... rseq resumed>) = 0 [pid 6956] <... set_robust_list resumed>) = 0 [pid 6955] rt_sigprocmask(SIG_SETMASK, [], [pid 6954] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6950] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6957] set_robust_list(0x7f39493479a0, 24 [pid 6956] rt_sigprocmask(SIG_SETMASK, [], [pid 6955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6954] <... futex resumed>) = 0 [pid 6953] <... mmap resumed>) = 0x200000000000 [pid 6952] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... set_robust_list resumed>) = 0 [pid 6956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6955] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6953] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... futex resumed>) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6957] rt_sigprocmask(SIG_SETMASK, [], [pid 6955] <... futex resumed>) = 0 [pid 6957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6956] memfd_create("syzkaller", 0 [pid 6955] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6953] <... futex resumed>) = 1 [pid 6952] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6950] <... futex resumed>) = 0 [pid 6949] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6957] memfd_create("syzkaller", 0 [pid 6956] <... memfd_create resumed>) = 3 [pid 6953] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6950] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... futex resumed>) = 0 [pid 6957] <... memfd_create resumed>) = 3 [pid 6953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6950] <... futex resumed>) = 0 [pid 6949] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6953] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6950] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6956] <... mmap resumed>) = 0x7f3940e00000 [pid 6957] <... mmap resumed>) = 0x7f3940e00000 [pid 6949] <... futex resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6958 attached [pid 6953] +++ killed by SIGBUS +++ [pid 6950] <... futex resumed>) = ? [pid 6950] +++ killed by SIGBUS +++ [pid 6958] set_robust_list(0x55558704b6a0, 24 [pid 6952] +++ killed by SIGBUS +++ [pid 6949] +++ killed by SIGBUS +++ [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6958 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6950, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6958] <... set_robust_list resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6949, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6958] <... prctl resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6958] setpgid(0, 0) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6959 attached [pid 6958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6960 attached [pid 6959] set_robust_list(0x55558704b6a0, 24 [pid 6957] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6960] set_robust_list(0x55558704b6a0, 24 [pid 6959] <... set_robust_list resumed>) = 0 [pid 6958] write(3, "1000", 4 [pid 6956] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6959 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6960 [pid 6960] <... set_robust_list resumed>) = 0 [pid 6959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6958] <... write resumed>) = 4 [pid 6957] <... write resumed>) = 1048576 [pid 6960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6959] <... prctl resumed>) = 0 [pid 6958] close(3 [pid 6957] munmap(0x7f3940e00000, 138412032 [pid 6959] setpgid(0, 0 [pid 6957] <... munmap resumed>) = 0 [pid 6959] <... setpgid resumed>) = 0 [pid 6960] <... prctl resumed>) = 0 [pid 6959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6958] <... close resumed>) = 0 [pid 6960] setpgid(0, 0executing program [pid 6958] write(1, "executing program\n", 18 [pid 6960] <... setpgid resumed>) = 0 [pid 6959] <... openat resumed>) = 3 [pid 6958] <... write resumed>) = 18 [pid 6957] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6958] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] write(3, "1000", 4 [pid 6958] <... futex resumed>) = 0 [pid 6957] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6960] <... openat resumed>) = 3 [pid 6959] <... write resumed>) = 4 [pid 6958] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6959] close(3 [pid 6958] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6957] close(3 [pid 6959] <... close resumed>) = 0 executing program [pid 6960] write(3, "1000", 4 [pid 6959] write(1, "executing program\n", 18 [pid 6958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6960] <... write resumed>) = 4 [pid 6958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6960] close(3 [pid 6958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6960] <... close resumed>) = 0 executing program [pid 6960] write(1, "executing program\n", 18 [pid 6959] <... write resumed>) = 18 [pid 6958] <... mmap resumed>) = 0x7f3949327000 [pid 6960] <... write resumed>) = 18 [pid 6958] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6960] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... close resumed>) = 0 [pid 6956] <... write resumed>) = 1048576 [pid 6958] <... mprotect resumed>) = 0 [pid 6960] <... futex resumed>) = 0 [pid 6959] <... futex resumed>) = 0 [pid 6958] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6957] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] munmap(0x7f3940e00000, 138412032 [pid 6960] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6959] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6957] <... futex resumed>) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6959] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6958] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6957] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] <... munmap resumed>) = 0 [pid 6955] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6959] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6955] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6961 attached [pid 6960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6957] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6955] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6961] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6959] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6958] <... clone3 resumed> => {parent_tid=[6961]}, 88) = 6961 [pid 6957] <... openat resumed>) = 3 [pid 6956] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6961] <... rseq resumed>) = 0 [pid 6960] <... mmap resumed>) = 0x7f3949327000 [pid 6959] <... mmap resumed>) = 0x7f3949327000 [pid 6958] rt_sigprocmask(SIG_SETMASK, [], [pid 6957] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] close(3 [pid 6961] set_robust_list(0x7f39493479a0, 24 [pid 6960] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6959] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6957] <... futex resumed>) = 1 [pid 6955] <... futex resumed>) = 0 [pid 6959] <... mprotect resumed>) = 0 [pid 6957] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6955] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] <... futex resumed>) = 0 [pid 6955] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6961] <... set_robust_list resumed>) = 0 [pid 6960] <... mprotect resumed>) = 0 [pid 6959] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6958] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6961] rt_sigprocmask(SIG_SETMASK, [], [pid 6960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6958] <... futex resumed>) = 0 [pid 6957] <... mmap resumed>) = 0x200000000000 [pid 6961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6959] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6958] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6961] memfd_create("syzkaller", 0 [pid 6960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6962 attached [pid 6959] <... clone3 resumed> => {parent_tid=[6962]}, 88) = 6962 [pid 6957] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6963 attached [pid 6962] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6961] <... memfd_create resumed>) = 3 [pid 6959] rt_sigprocmask(SIG_SETMASK, [], [pid 6957] <... futex resumed>) = 1 [pid 6956] <... close resumed>) = 0 [pid 6955] <... futex resumed>) = 0 [pid 6963] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6962] <... rseq resumed>) = 0 [pid 6961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6960] <... clone3 resumed> => {parent_tid=[6963]}, 88) = 6963 [pid 6956] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... rseq resumed>) = 0 [pid 6962] set_robust_list(0x7f39493479a0, 24 [pid 6961] <... mmap resumed>) = 0x7f3940e00000 [pid 6960] rt_sigprocmask(SIG_SETMASK, [], [pid 6962] <... set_robust_list resumed>) = 0 [pid 6960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6957] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6956] <... futex resumed>) = 1 [pid 6955] write(0, "", 0 [pid 6954] <... futex resumed>) = 0 [pid 6963] set_robust_list(0x7f39493479a0, 24 [pid 6962] rt_sigprocmask(SIG_SETMASK, [], [pid 6960] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... set_robust_list resumed>) = 0 [pid 6962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6960] <... futex resumed>) = 0 [pid 6959] <... futex resumed>) = 0 [pid 6956] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6954] <... futex resumed>) = 0 [pid 6963] rt_sigprocmask(SIG_SETMASK, [], [pid 6962] memfd_create("syzkaller", 0 [pid 6960] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6959] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6957] +++ killed by SIGBUS +++ [pid 6955] +++ killed by SIGBUS +++ [pid 6954] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6962] <... memfd_create resumed>) = 3 [pid 6956] <... openat resumed>) = 3 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6955, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6963] memfd_create("syzkaller", 0 [pid 6962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6956] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6963] <... memfd_create resumed>) = 3 [pid 6962] <... mmap resumed>) = 0x7f3940e00000 [pid 6956] <... futex resumed>) = 1 [pid 6954] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6956] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6954] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6954] <... futex resumed>) = 0 [pid 6954] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6964 attached [pid 6963] <... mmap resumed>) = 0x7f3940e00000 [pid 6962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6961] <... write resumed>) = 1048576 [pid 6956] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6964] set_robust_list(0x55558704b6a0, 24) = 0 [pid 6961] munmap(0x7f3940e00000, 138412032 [pid 6956] <... mmap resumed>) = 0x200000000000 [pid 6964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6964 [pid 6964] <... prctl resumed>) = 0 [pid 6961] <... munmap resumed>) = 0 [pid 6956] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] setpgid(0, 0 [pid 6963] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6964] <... setpgid resumed>) = 0 [pid 6961] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6956] <... futex resumed>) = 1 [pid 6954] <... futex resumed>) = 0 [pid 6964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6961] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6956] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6954] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... openat resumed>) = 3 [pid 6954] <... futex resumed>) = 0 [pid 6964] write(3, "1000", 4 [pid 6961] close(3 [pid 6956] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6954] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6962] <... write resumed>) = 1048576 [pid 6954] <... futex resumed>) = ? [pid 6962] munmap(0x7f3940e00000, 138412032 [pid 6964] <... write resumed>) = 4 [pid 6963] <... write resumed>) = 1048576 [pid 6961] <... close resumed>) = 0 [pid 6956] +++ killed by SIGBUS +++ [pid 6954] +++ killed by SIGBUS +++ [pid 6964] close(3 [pid 6963] munmap(0x7f3940e00000, 138412032 [pid 6962] <... munmap resumed>) = 0 [pid 6961] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6954, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6964] <... close resumed>) = 0 executing program [pid 6964] write(1, "executing program\n", 18 [pid 6963] <... munmap resumed>) = 0 [pid 6961] <... futex resumed>) = 1 [pid 6958] <... futex resumed>) = 0 [pid 6964] <... write resumed>) = 18 [pid 6963] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6962] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6961] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6962] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] <... futex resumed>) = 0 [pid 6964] <... futex resumed>) = 0 [pid 6963] close(3 [pid 6964] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6958] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6962] close(3 [pid 6961] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6964] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6963] <... close resumed>) = 0 [pid 6962] <... close resumed>) = 0 [pid 6961] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6964] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6963] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6964] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6963] <... futex resumed>) = 1 [pid 6960] <... futex resumed>) = 0 [pid 6961] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6964] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6960] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6964] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6963] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6961] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] <... clone3 resumed> => {parent_tid=[6966]}, 88) = 6966 ./strace-static-x86_64: Process 6966 attached [pid 6963] <... openat resumed>) = 3 [pid 6964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6963] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6965 [pid 6964] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... futex resumed>) = 0 [pid 6964] <... futex resumed>) = 0 [pid 6963] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6958] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 1 [pid 6963] <... futex resumed>) = 0 [pid 6963] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = 0 [pid 6958] <... futex resumed>) = 1 [pid 6961] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6966] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6961] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] set_robust_list(0x55558704b6a0, 24 [pid 6960] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] <... rseq resumed>) = 0 [pid 6965] <... set_robust_list resumed>) = 0 [pid 6963] <... futex resumed>) = 0 [pid 6961] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 1 [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6966] set_robust_list(0x7f39493479a0, 24 [pid 6965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6963] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6961] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6960] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6958] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] <... set_robust_list resumed>) = 0 [pid 6958] <... futex resumed>) = 0 [pid 6966] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6965] <... prctl resumed>) = 0 [pid 6963] <... mmap resumed>) = 0x200000000000 [pid 6961] +++ killed by SIGBUS +++ [pid 6958] +++ killed by SIGBUS +++ [pid 6966] memfd_create("syzkaller", 0 [pid 6963] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] <... memfd_create resumed>) = 3 [pid 6965] setpgid(0, 0 [pid 6963] <... futex resumed>) = 1 [pid 6962] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6958, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6965] <... setpgid resumed>) = 0 [pid 6963] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] <... futex resumed>) = 1 [pid 6960] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6966] <... mmap resumed>) = 0x7f3940e00000 [pid 6963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6960] <... futex resumed>) = 0 [pid 6959] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6963] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6960] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6966] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6960] <... futex resumed>) = ? [pid 6959] <... futex resumed>) = 0 [pid 6965] <... openat resumed>) = 3 [pid 6963] +++ killed by SIGBUS +++ [pid 6962] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6960] +++ killed by SIGBUS +++ [pid 6959] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6965] write(3, "1000", 4 [pid 6962] <... openat resumed>) = 3 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6960, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6965] <... write resumed>) = 4 [pid 6962] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6965] close(3 [pid 6962] <... futex resumed>) = 1 [pid 6965] <... close resumed>) = 0 [pid 6959] <... futex resumed>) = 0 [pid 6962] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6959] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6959] <... futex resumed>) = 0 [pid 6962] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< executing program [pid 6959] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] write(1, "executing program\n", 18 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6965] <... write resumed>) = 18 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6965] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6962] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 6967 attached [pid 6965] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6962] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6967] set_robust_list(0x55558704b6a0, 24 [pid 6966] <... write resumed>) = 1048576 [pid 6965] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6962] <... futex resumed>) = 1 [pid 6959] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6959] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6967 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6962] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6966] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 6968 attached [pid 6967] <... set_robust_list resumed>) = 0 [pid 6965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6959] <... futex resumed>) = ? [pid 6968] set_robust_list(0x55558704b6a0, 24 [pid 6967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6966] <... munmap resumed>) = 0 [pid 6965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6968] <... set_robust_list resumed>) = 0 [pid 6967] <... prctl resumed>) = 0 [pid 6965] <... mmap resumed>) = 0x7f3949327000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6968 [pid 6968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6967] setpgid(0, 0 [pid 6965] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6967] <... setpgid resumed>) = 0 [pid 6966] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6968] <... prctl resumed>) = 0 [pid 6965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6962] +++ killed by SIGBUS +++ [pid 6959] +++ killed by SIGBUS +++ [pid 6967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6968] setpgid(0, 0 [pid 6966] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6959, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6968] <... setpgid resumed>) = 0 [pid 6967] <... openat resumed>) = 3 [pid 6965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 6968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6967] write(3, "1000", 4 [pid 6966] close(3./strace-static-x86_64: Process 6969 attached [pid 6967] <... write resumed>) = 4 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6967] close(3) = 0 [pid 6968] <... openat resumed>) = 3 [pid 6965] <... clone3 resumed> => {parent_tid=[6969]}, 88) = 6969 [pid 6969] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6967] write(1, "executing program\n", 18executing program [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6969] <... rseq resumed>) = 0 [pid 6968] write(3, "1000", 4 [pid 6967] <... write resumed>) = 18 [pid 6965] rt_sigprocmask(SIG_SETMASK, [], [pid 6969] set_robust_list(0x7f39493479a0, 24 [pid 6967] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... set_robust_list resumed>) = 0 [pid 6965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6969] rt_sigprocmask(SIG_SETMASK, [], [pid 6967] <... futex resumed>) = 0 [pid 6965] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... write resumed>) = 4 [pid 6969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6967] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6968] close(3 [pid 6965] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6967] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6965] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6969] memfd_create("syzkaller", 0 [pid 6968] <... close resumed>) = 0 [pid 6967] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6966] <... close resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6966] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6970 attached [pid 6969] <... memfd_create resumed>) = 3 [pid 6968] write(1, "executing program\n", 18 [pid 6967] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6970] set_robust_list(0x55558704b6a0, 24 [pid 6969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6968] <... write resumed>) = 18 [pid 6967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6966] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6970 [pid 6970] <... set_robust_list resumed>) = 0 [pid 6969] <... mmap resumed>) = 0x7f3940e00000 [pid 6968] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... mmap resumed>) = 0x7f3949327000 [pid 6966] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6969] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6968] <... futex resumed>) = 0 [pid 6966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 6970] <... prctl resumed>) = 0 [pid 6967] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6964] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6970] setpgid(0, 0 [pid 6967] <... mprotect resumed>) = 0 [pid 6970] <... setpgid resumed>) = 0 [pid 6967] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6967] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6970] <... openat resumed>) = 3 [pid 6967] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6971 attached [pid 6970] write(3, "1000", 4 [pid 6968] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6966] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6971] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6970] <... write resumed>) = 4 [pid 6967] <... clone3 resumed> => {parent_tid=[6971]}, 88) = 6971 [pid 6966] <... openat resumed>) = 3 [pid 6971] <... rseq resumed>) = 0 [pid 6971] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6970] close(3 [pid 6968] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6967] rt_sigprocmask(SIG_SETMASK, [], [pid 6971] rt_sigprocmask(SIG_SETMASK, [], [pid 6970] <... close resumed>) = 0 [pid 6968] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6967] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6970] write(1, "executing program\n", 18 [pid 6968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6967] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] memfd_create("syzkaller", 0 [pid 6970] <... write resumed>) = 18 [pid 6968] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6967] <... futex resumed>) = 0 [pid 6971] <... memfd_create resumed>) = 3 [pid 6970] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... mmap resumed>) = 0x7f3949327000 [pid 6967] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6966] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6970] <... futex resumed>) = 0 [pid 6968] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6971] <... mmap resumed>) = 0x7f3940e00000 [pid 6970] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6968] <... mprotect resumed>) = 0 [pid 6966] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6970] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6968] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6966] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6968] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6964] <... futex resumed>) = 0 [pid 6970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6964] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6968] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6972 attached [pid 6970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6972] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6970] <... mmap resumed>) = 0x7f3949327000 [pid 6968] <... clone3 resumed> => {parent_tid=[6972]}, 88) = 6972 [pid 6966] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6970] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6968] rt_sigprocmask(SIG_SETMASK, [], [pid 6966] <... mmap resumed>) = 0x200000000000 [pid 6970] <... mprotect resumed>) = 0 [pid 6968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6966] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6968] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6972] <... rseq resumed>) = 0 [pid 6970] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6968] <... futex resumed>) = 0 [pid 6966] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] set_robust_list(0x7f39493479a0, 24 [pid 6971] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6968] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6973 attached [pid 6972] <... set_robust_list resumed>) = 0 [pid 6966] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6964] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] rt_sigprocmask(SIG_SETMASK, [], [pid 6970] <... clone3 resumed> => {parent_tid=[6973]}, 88) = 6973 [pid 6973] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6970] rt_sigprocmask(SIG_SETMASK, [], [pid 6969] <... write resumed>) = 1048576 [pid 6972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6972] memfd_create("syzkaller", 0) = 3 [pid 6972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6969] munmap(0x7f3940e00000, 138412032 [pid 6973] <... rseq resumed>) = 0 [pid 6970] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6973] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6970] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6969] <... munmap resumed>) = 0 [pid 6973] rt_sigprocmask(SIG_SETMASK, [], [pid 6966] +++ killed by SIGBUS +++ [pid 6964] +++ killed by SIGBUS +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6964, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6971] <... write resumed>) = 1048576 [pid 6969] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6971] munmap(0x7f3940e00000, 138412032 [pid 6973] memfd_create("syzkaller", 0 [pid 6972] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6969] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... restart_syscall resumed>) = 0 [pid 6973] <... memfd_create resumed>) = 3 [pid 6971] <... munmap resumed>) = 0 [pid 6969] close(3 [pid 6973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6973] <... mmap resumed>) = 0x7f3940e00000 [pid 6972] <... write resumed>) = 1048576 [pid 6971] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6971] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6974 attached [pid 6974] set_robust_list(0x55558704b6a0, 24 [pid 6973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6972] munmap(0x7f3940e00000, 138412032 [pid 6971] close(3 [pid 6969] <... close resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6974 [pid 6972] <... munmap resumed>) = 0 [pid 6969] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6969] <... futex resumed>) = 1 [pid 6974] <... set_robust_list resumed>) = 0 [pid 6972] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6969] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6965] <... futex resumed>) = 0 [pid 6972] close(3 [pid 6974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6965] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6965] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6969] <... futex resumed>) = 0 [pid 6974] <... prctl resumed>) = 0 [pid 6969] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6974] setpgid(0, 0 [pid 6969] <... openat resumed>) = 3 [pid 6974] <... setpgid resumed>) = 0 [pid 6974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6974] write(3, "1000", 4) = 4 [pid 6974] close(3) = 0 executing program [pid 6974] write(1, "executing program\n", 18) = 18 [pid 6974] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6974] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6971] <... close resumed>) = 0 [pid 6974] <... mmap resumed>) = 0x7f3949327000 [pid 6969] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6969] <... futex resumed>) = 1 [pid 6965] <... futex resumed>) = 0 [pid 6969] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6965] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6965] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6971] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... mmap resumed>) = 0x200000000000 [pid 6974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6971] <... futex resumed>) = 1 [pid 6969] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6975 attached [pid 6971] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6969] <... futex resumed>) = 1 [pid 6965] <... futex resumed>) = 0 [pid 6975] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6974] <... clone3 resumed> => {parent_tid=[6975]}, 88) = 6975 [pid 6965] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... rseq resumed>) = 0 [pid 6974] rt_sigprocmask(SIG_SETMASK, [], [pid 6972] <... close resumed>) = 0 [pid 6969] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6967] <... futex resumed>) = 0 [pid 6965] <... futex resumed>) = 0 [pid 6975] set_robust_list(0x7f39493479a0, 24 [pid 6974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6973] <... write resumed>) = 1048576 [pid 6972] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... set_robust_list resumed>) = 0 [pid 6974] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] munmap(0x7f3940e00000, 138412032 [pid 6975] rt_sigprocmask(SIG_SETMASK, [], [pid 6974] <... futex resumed>) = 0 [pid 6975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6974] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6975] memfd_create("syzkaller", 0) = 3 [pid 6973] <... munmap resumed>) = 0 [pid 6972] <... futex resumed>) = 1 [pid 6971] <... futex resumed>) = 0 [pid 6969] +++ killed by SIGBUS +++ [pid 6968] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = 1 [pid 6965] +++ killed by SIGBUS +++ [pid 6973] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6972] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6968] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6965, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6968] <... futex resumed>) = 0 [pid 6975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6971] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6968] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... mmap resumed>) = 0x7f3940e00000 [pid 6973] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6972] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6973] close(3 [pid 6972] <... openat resumed>) = 3 [pid 6972] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6976 attached [pid 6975] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6972] <... futex resumed>) = 1 [pid 6971] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6972] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] set_robust_list(0x55558704b6a0, 24 [pid 6971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] <... futex resumed>) = 0 [pid 6971] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6967] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6971] <... mmap resumed>) = 0x200000000000 [pid 6968] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6976 [pid 6976] <... set_robust_list resumed>) = 0 [pid 6973] <... close resumed>) = 0 [pid 6971] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6971] <... futex resumed>) = 1 [pid 6968] <... futex resumed>) = 1 [pid 6967] <... futex resumed>) = 0 [pid 6972] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6971] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6972] <... mmap resumed>) = 0x200000000000 [pid 6971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6968] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6967] <... futex resumed>) = 0 [pid 6972] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] ???( [pid 6972] <... futex resumed>) = 0 [pid 6968] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] <... prctl resumed>) = 0 [pid 6972] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6968] <... futex resumed>) = 0 [pid 6967] <... ??? resumed>) = ? [pid 6976] setpgid(0, 0 [pid 6975] <... write resumed>) = 1048576 [pid 6973] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] +++ killed by SIGBUS +++ [pid 6967] +++ killed by SIGBUS +++ [pid 6976] <... setpgid resumed>) = 0 [pid 6976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6972] +++ killed by SIGBUS +++ [pid 6968] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6967, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6976] <... openat resumed>) = 3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6968, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 6973] <... futex resumed>) = 1 [pid 6973] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6970] <... futex resumed>) = 0 [pid 6970] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6973] <... futex resumed>) = 0 [pid 6976] write(3, "1000", 4executing program [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6976] <... write resumed>) = 4 [pid 6973] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6976] close(3 [pid 6973] <... openat resumed>) = 3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6976] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6976] write(1, "executing program\n", 18 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6976] <... write resumed>) = 18 [pid 6973] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6970] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6973] <... futex resumed>) = 0 [pid 6970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6973] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6970] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... mmap resumed>) = 0x200000000000 [pid 6970] <... futex resumed>) = 0 [pid 6970] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6977 attached [pid 6973] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6976] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... futex resumed>) = 1 [pid 6970] <... futex resumed>) = 0 [pid 6970] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] <... futex resumed>) = 0 [pid 6973] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6970] <... futex resumed>) = 0 [pid 6977] set_robust_list(0x55558704b6a0, 24 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6977] <... set_robust_list resumed>) = 0 [pid 6976] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6975] munmap(0x7f3940e00000, 138412032 [pid 6977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6976] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6975] <... munmap resumed>) = 0 [pid 6977] <... prctl resumed>) = 0 [pid 6976] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6977 ./strace-static-x86_64: Process 6978 attached [pid 6976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6978] set_robust_list(0x55558704b6a0, 24 [pid 6976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6978] <... set_robust_list resumed>) = 0 [pid 6978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6977] setpgid(0, 0 [pid 6976] <... mmap resumed>) = 0x7f3949327000 [pid 6975] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6978] <... prctl resumed>) = 0 [pid 6976] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6975] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6978] setpgid(0, 0) = 0 [pid 6978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6975] close(3 [pid 6973] +++ killed by SIGBUS +++ [pid 6970] +++ killed by SIGBUS +++ [pid 6978] <... openat resumed>) = 3 [pid 6977] <... setpgid resumed>) = 0 [pid 6976] <... mprotect resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6978 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6970, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6976] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6978] write(3, "1000", 4) = 4 [pid 6978] close(3) = 0 [pid 6978] write(1, "executing program\n", 18executing program ) = 18 [pid 6978] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6978] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6977] <... openat resumed>) = 3 [pid 6976] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6978] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6976] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6978] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6979 attached [pid 6978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6977] write(3, "1000", 4 [pid 6975] <... close resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6979] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6977] <... write resumed>) = 4 [pid 6976] <... clone3 resumed> => {parent_tid=[6979]}, 88) = 6979 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6977] close(3 [pid 6976] rt_sigprocmask(SIG_SETMASK, [], [pid 6978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6980 attached [pid 6979] <... rseq resumed>) = 0 [pid 6979] set_robust_list(0x7f39493479a0, 24) = 0 [pid 6979] rt_sigprocmask(SIG_SETMASK, [], [pid 6980] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6977] <... close resumed>) = 0 [pid 6976] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6980] <... rseq resumed>) = 0 [pid 6977] write(1, "executing program\n", 18 [pid 6976] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] set_robust_list(0x7f39493479a0, 24 [pid 6976] <... futex resumed>) = 0 [pid 6977] <... write resumed>) = 18 [pid 6980] <... set_robust_list resumed>) = 0 [pid 6976] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6980] rt_sigprocmask(SIG_SETMASK, [], [pid 6977] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6981 attached [pid 6979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6978] <... clone3 resumed> => {parent_tid=[6980]}, 88) = 6980 [pid 6977] <... futex resumed>) = 0 [pid 6975] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] set_robust_list(0x55558704b6a0, 24 [pid 6980] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6979] memfd_create("syzkaller", 0 [pid 6978] rt_sigprocmask(SIG_SETMASK, [], [pid 6977] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6975] <... futex resumed>) = 1 [pid 6974] <... futex resumed>) = 0 [pid 6981] <... set_robust_list resumed>) = 0 [pid 6979] <... memfd_create resumed>) = 3 [pid 6978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6977] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6981 [pid 6981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6978] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6975] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6974] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... prctl resumed>) = 0 [pid 6980] <... futex resumed>) = 0 [pid 6979] <... mmap resumed>) = 0x7f3940e00000 [pid 6978] <... futex resumed>) = 1 [pid 6977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6975] <... openat resumed>) = 3 [pid 6974] <... futex resumed>) = 0 [pid 6981] setpgid(0, 0 [pid 6980] memfd_create("syzkaller", 0 [pid 6977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6974] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6980] <... memfd_create resumed>) = 3 [pid 6978] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6977] <... mmap resumed>) = 0x7f3949327000 [pid 6980] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6981] <... setpgid resumed>) = 0 [pid 6981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6980] <... mmap resumed>) = 0x7f3940e00000 [pid 6975] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] <... openat resumed>) = 3 [pid 6979] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6977] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6975] <... futex resumed>) = 1 [pid 6981] write(3, "1000", 4 [pid 6977] <... mprotect resumed>) = 0 [pid 6975] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6974] <... futex resumed>) = 0 [pid 6981] <... write resumed>) = 4 [pid 6974] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6974] <... futex resumed>) = 0 [pid 6974] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6981] close(3 [pid 6980] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6981] <... close resumed>) = 0 [pid 6975] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6981] write(1, "executing program\n", 18 [pid 6975] <... mmap resumed>) = 0x200000000000 [pid 6981] <... write resumed>) = 18 [pid 6975] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 6975] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6981] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6981] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 6983 attached [pid 6982] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6974] <... futex resumed>) = 0 [pid 6982] <... rseq resumed>) = 0 [pid 6977] <... clone3 resumed> => {parent_tid=[6982]}, 88) = 6982 [pid 6974] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6982] set_robust_list(0x7f39493479a0, 24 [pid 6981] <... clone3 resumed> => {parent_tid=[6983]}, 88) = 6983 [pid 6977] rt_sigprocmask(SIG_SETMASK, [], [pid 6975] <... futex resumed>) = 0 [pid 6974] <... futex resumed>) = 1 [pid 6983] <... rseq resumed>) = 0 [pid 6982] <... set_robust_list resumed>) = 0 [pid 6981] rt_sigprocmask(SIG_SETMASK, [], [pid 6977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6975] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6983] set_robust_list(0x7f39493479a0, 24 [pid 6982] rt_sigprocmask(SIG_SETMASK, [], [pid 6981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6977] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... set_robust_list resumed>) = 0 [pid 6982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6981] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] <... write resumed>) = 1048576 [pid 6979] <... write resumed>) = 1048576 [pid 6977] <... futex resumed>) = 0 [pid 6975] +++ killed by SIGBUS +++ [pid 6983] rt_sigprocmask(SIG_SETMASK, [], [pid 6981] <... futex resumed>) = 0 [pid 6983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6982] memfd_create("syzkaller", 0 [pid 6981] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6983] memfd_create("syzkaller", 0) = 3 [pid 6983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6982] <... memfd_create resumed>) = 3 [pid 6980] munmap(0x7f3940e00000, 138412032 [pid 6977] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6974] +++ killed by SIGBUS +++ [pid 6982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6979] munmap(0x7f3940e00000, 138412032 [pid 6983] <... write resumed>) = 1048576 [pid 6982] <... mmap resumed>) = 0x7f3940e00000 [pid 6980] <... munmap resumed>) = 0 [pid 6979] <... munmap resumed>) = 0 [pid 6979] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6979] close(3 [pid 6983] munmap(0x7f3940e00000, 138412032 [pid 6980] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6979] <... close resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6974, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6979] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6983] <... munmap resumed>) = 0 [pid 6982] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6980] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6980] close(3 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6979] <... futex resumed>) = 1 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6979] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6976] <... futex resumed>) = 0 [pid 6983] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6976] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6979] <... futex resumed>) = 0 [pid 6983] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6976] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6983] close(3 [pid 6979] <... openat resumed>) = 3 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6984 [pid 6979] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6979] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6984 attached [pid 6976] <... futex resumed>) = 0 [pid 6976] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6976] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6984] set_robust_list(0x55558704b6a0, 24 [pid 6979] <... futex resumed>) = 0 [pid 6984] <... set_robust_list resumed>) = 0 [pid 6979] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6979] <... mmap resumed>) = 0x200000000000 [pid 6984] <... prctl resumed>) = 0 [pid 6984] setpgid(0, 0 [pid 6979] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] <... setpgid resumed>) = 0 [pid 6979] <... futex resumed>) = 1 [pid 6984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6979] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6976] <... futex resumed>) = 0 [pid 6984] <... openat resumed>) = 3 [pid 6982] <... write resumed>) = 1048576 [pid 6980] <... close resumed>) = 0 [pid 6976] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] write(3, "1000", 4 [pid 6976] <... futex resumed>) = 1 [pid 6979] <... futex resumed>) = 0 [pid 6976] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- executing program [pid 6984] <... write resumed>) = 4 [pid 6984] close(3) = 0 [pid 6979] +++ killed by SIGBUS +++ [pid 6984] write(1, "executing program\n", 18) = 18 [pid 6984] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6984] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6984] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6976] <... futex resumed>) = ? [pid 6984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6984] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6984] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6982] munmap(0x7f3940e00000, 138412032 [pid 6984] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6983] <... close resumed>) = 0 [pid 6982] <... munmap resumed>) = 0 [pid 6980] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] +++ killed by SIGBUS +++ [pid 6984] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6976, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6983] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6980] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6985 attached [pid 6984] <... clone3 resumed> => {parent_tid=[6985]}, 88) = 6985 [pid 6983] <... futex resumed>) = 1 [pid 6982] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6981] <... futex resumed>) = 0 [pid 6980] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6984] rt_sigprocmask(SIG_SETMASK, [], [pid 6983] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6982] close(3 [pid 6981] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6985] <... rseq resumed>) = 0 [pid 6984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6982] <... close resumed>) = 0 [pid 6981] <... futex resumed>) = 0 [pid 6980] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6978] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6985] set_robust_list(0x7f39493479a0, 24 [pid 6984] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6981] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6985] <... set_robust_list resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6985] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6983] <... openat resumed>) = 3 [pid 6984] <... futex resumed>) = 0 [pid 6984] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6985] memfd_create("syzkaller", 0 [pid 6980] <... openat resumed>) = 3 [pid 6983] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6980] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6978] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6986 attached [pid 6985] <... memfd_create resumed>) = 3 [pid 6980] <... mmap resumed>) = 0x200000000000 [pid 6978] <... futex resumed>) = 0 [pid 6985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6983] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 6978] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6986] set_robust_list(0x55558704b6a0, 24 [pid 6985] <... mmap resumed>) = 0x7f3940e00000 [pid 6983] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6982] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6981] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6986 [pid 6986] <... set_robust_list resumed>) = 0 [pid 6983] <... mmap resumed>) = 0x200000000000 [pid 6982] <... futex resumed>) = 1 [pid 6981] <... futex resumed>) = 0 [pid 6980] <... futex resumed>) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6983] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6980] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] <... prctl resumed>) = 0 [pid 6983] <... futex resumed>) = 0 [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6986] setpgid(0, 0 [pid 6983] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6982] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6981] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6978] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6986] <... setpgid resumed>) = 0 [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6982] <... openat resumed>) = 3 [pid 6981] <... futex resumed>) = 0 [pid 6986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6983] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6978] <... futex resumed>) = ? [pid 6982] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] +++ killed by SIGBUS +++ [pid 6978] +++ killed by SIGBUS +++ [pid 6986] <... openat resumed>) = 3 [pid 6985] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6983] +++ killed by SIGBUS +++ [pid 6982] <... futex resumed>) = 1 [pid 6981] +++ killed by SIGBUS +++ [pid 6977] <... futex resumed>) = 0 [pid 6986] write(3, "1000", 4 [pid 6982] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6977] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6978, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6986] <... write resumed>) = 4 [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6981, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6986] close(3 [pid 6982] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6986] <... close resumed>) = 0 [pid 6982] <... mmap resumed>) = 0x200000000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6986] write(1, "executing program\n", 18) = 18 [pid 6986] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6977] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6986] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6982] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6986] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6982] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6982] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6977] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6977] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6986] <... mmap resumed>) = 0x7f3949327000 [pid 6982] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6986] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6988 attached ./strace-static-x86_64: Process 6987 attached [pid 6986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6985] <... write resumed>) = 1048576 [pid 6988] set_robust_list(0x55558704b6a0, 24 [pid 6987] set_robust_list(0x55558704b6a0, 24 [pid 6982] +++ killed by SIGBUS +++ [pid 6987] <... set_robust_list resumed>) = 0 [pid 6986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6985] munmap(0x7f3940e00000, 138412032 [pid 6987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6985] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6989 attached [pid 6987] <... prctl resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6988 [pid 6988] <... set_robust_list resumed>) = 0 [pid 6987] setpgid(0, 0 [pid 6986] <... clone3 resumed> => {parent_tid=[6989]}, 88) = 6989 [pid 6988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6987] <... setpgid resumed>) = 0 [pid 6986] rt_sigprocmask(SIG_SETMASK, [], [pid 6985] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6989] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6988] <... prctl resumed>) = 0 [pid 6987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6985] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6977] +++ killed by SIGBUS +++ [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6987 [pid 6989] <... rseq resumed>) = 0 [pid 6988] setpgid(0, 0 [pid 6986] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] set_robust_list(0x7f39493479a0, 24 [pid 6988] <... setpgid resumed>) = 0 [pid 6989] <... set_robust_list resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6977, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 6988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6987] <... openat resumed>) = 3 [pid 6986] <... futex resumed>) = 0 [pid 6985] close(3 [pid 6989] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 6989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 6989] memfd_create("syzkaller", 0 [pid 6988] <... openat resumed>) = 3 [pid 6987] write(3, "1000", 4 [pid 6986] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6985] <... close resumed>) = 0 [pid 6989] <... memfd_create resumed>) = 3 [pid 6987] <... write resumed>) = 4 [pid 6987] close(3 [pid 6989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6988] write(3, "1000", 4executing program [pid 6987] <... close resumed>) = 0 [pid 6987] write(1, "executing program\n", 18) = 18 [pid 6987] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6987] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 6987] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 6989] <... mmap resumed>) = 0x7f3940e00000 [pid 6988] <... write resumed>) = 4 [pid 6987] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6985] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6989] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6988] close(3 [pid 6987] <... mprotect resumed>) = 0 [pid 6987] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6985] <... futex resumed>) = 1 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6987] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6985] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6984] <... futex resumed>) = 0 [pid 6987] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6984] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6990 attached [pid 6985] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6984] <... futex resumed>) = 0 [pid 6990] set_robust_list(0x55558704b6a0, 24executing program ./strace-static-x86_64: Process 6991 attached ) = 0 [pid 6988] <... close resumed>) = 0 [pid 6985] <... openat resumed>) = 3 [pid 6984] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 6990 [pid 6988] write(1, "executing program\n", 18 [pid 6987] <... clone3 resumed> => {parent_tid=[6991]}, 88) = 6991 [pid 6990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6988] <... write resumed>) = 18 [pid 6987] rt_sigprocmask(SIG_SETMASK, [], [pid 6985] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6990] <... prctl resumed>) = 0 [pid 6988] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6985] <... futex resumed>) = 1 [pid 6991] <... rseq resumed>) = 0 [pid 6990] setpgid(0, 0 [pid 6987] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6984] <... futex resumed>) = 0 [pid 6991] set_robust_list(0x7f39493479a0, 24 [pid 6988] <... futex resumed>) = 0 [pid 6991] <... set_robust_list resumed>) = 0 [pid 6988] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6987] <... futex resumed>) = 0 [pid 6991] rt_sigprocmask(SIG_SETMASK, [], [pid 6990] <... setpgid resumed>) = 0 [pid 6988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6987] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6984] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6991] memfd_create("syzkaller", 0 [pid 6988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6985] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6984] <... futex resumed>) = 0 [pid 6991] <... memfd_create resumed>) = 3 [pid 6988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6984] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6988] <... mmap resumed>) = 0x7f3949327000 [pid 6985] <... mmap resumed>) = 0x200000000000 [pid 6991] <... mmap resumed>) = 0x7f3940e00000 [pid 6990] <... openat resumed>) = 3 [pid 6988] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6985] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] write(3, "1000", 4 [pid 6989] <... write resumed>) = 1048576 [pid 6988] <... mprotect resumed>) = 0 [pid 6985] <... futex resumed>) = 1 [pid 6984] <... futex resumed>) = 0 [pid 6990] <... write resumed>) = 4 [pid 6989] munmap(0x7f3940e00000, 138412032 [pid 6984] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] close(3 [pid 6988] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6989] <... munmap resumed>) = 0 [pid 6988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6990] <... close resumed>) = 0 [pid 6984] <... futex resumed>) = 0 [pid 6984] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} executing program [pid 6990] write(1, "executing program\n", 18 [pid 6985] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6990] <... write resumed>) = 18 [pid 6989] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6990] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6990] <... futex resumed>) = 0 [pid 6990] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6989] close(3 [pid 6990] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6992 attached [pid 6990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6988] <... clone3 resumed> => {parent_tid=[6992]}, 88) = 6992 [pid 6990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6990] <... mmap resumed>) = 0x7f3949327000 [pid 6990] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6988] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6990] <... mprotect resumed>) = 0 [pid 6988] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6992] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 6992] set_robust_list(0x7f39493479a0, 24 [pid 6990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6992] <... set_robust_list resumed>) = 0 [pid 6991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6992] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6992] memfd_create("syzkaller", 0) = 3 [pid 6991] <... write resumed>) = 1048576 [pid 6990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6989] <... close resumed>) = 0 [pid 6984] <... futex resumed>) = ? [pid 6992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6991] munmap(0x7f3940e00000, 138412032 [pid 6990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6992] <... mmap resumed>) = 0x7f3940e00000 [pid 6991] <... munmap resumed>) = 0 [pid 6989] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6986] <... futex resumed>) = 0 [pid 6989] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6993 attached [pid 6990] <... clone3 resumed> => {parent_tid=[6993]}, 88) = 6993 [pid 6986] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] +++ killed by SIGBUS +++ [pid 6984] +++ killed by SIGBUS +++ [pid 6991] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6990] rt_sigprocmask(SIG_SETMASK, [], [pid 6989] <... futex resumed>) = 0 [pid 6986] <... futex resumed>) = 1 [pid 6993] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6991] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6989] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6986] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6984, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6993] <... rseq resumed>) = 0 [pid 6991] close(3 [pid 6990] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... openat resumed>) = 3 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6993] set_robust_list(0x7f39493479a0, 24 [pid 6990] <... futex resumed>) = 0 [pid 6989] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... set_robust_list resumed>) = 0 [pid 6990] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6989] <... futex resumed>) = 1 [pid 6986] <... futex resumed>) = 0 [pid 6993] rt_sigprocmask(SIG_SETMASK, [], [pid 6989] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6986] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6986] <... futex resumed>) = 0 [pid 6989] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6986] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6989] <... mmap resumed>) = 0x200000000000 [pid 6993] memfd_create("syzkaller", 0 [pid 6989] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... memfd_create resumed>) = 3 [pid 6992] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6989] <... futex resumed>) = 1 [pid 6986] <... futex resumed>) = 0 [pid 6993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6989] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6986] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 6993] <... mmap resumed>) = 0x7f3940e00000 [pid 6986] <... futex resumed>) = ? [pid 6989] +++ killed by SIGBUS +++ [pid 6986] +++ killed by SIGBUS +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6986, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6991] <... close resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6991] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6994 attached [pid 6993] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6992] <... write resumed>) = 1048576 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6994] set_robust_list(0x55558704b6a0, 24 [pid 6991] <... futex resumed>) = 1 [pid 6987] <... futex resumed>) = 0 [pid 6994] <... set_robust_list resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6987] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6993] <... write resumed>) = 1048576 [pid 6992] munmap(0x7f3940e00000, 138412032 [pid 6991] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6987] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 6994 [pid 6994] <... prctl resumed>) = 0 [pid 6993] munmap(0x7f3940e00000, 138412032 [pid 6992] <... munmap resumed>) = 0 [pid 6991] <... openat resumed>) = 3 [pid 6987] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6994] setpgid(0, 0) = 0 [pid 6994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6992] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6995 attached ) = -1 EBUSY (Device or resource busy) [pid 6991] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6991] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6987] <... futex resumed>) = 0 [pid 6995] set_robust_list(0x55558704b6a0, 24 [pid 6994] write(3, "1000", 4 [pid 6992] close(3 [pid 6987] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... set_robust_list resumed>) = 0 [pid 6994] <... write resumed>) = 4 [pid 6993] <... munmap resumed>) = 0 [pid 6991] <... futex resumed>) = 0 [pid 6987] <... futex resumed>) = 1 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 6995 [pid 6995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6994] close(3 [pid 6987] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6994] <... close resumed>) = 0 [pid 6995] <... prctl resumed>) = 0 [pid 6994] write(1, "executing program\n", 18 [pid 6991] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6995] setpgid(0, 0 [pid 6991] <... mmap resumed>) = 0x200000000000 executing program [pid 6995] <... setpgid resumed>) = 0 [pid 6993] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6991] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6994] <... write resumed>) = 18 [pid 6992] <... close resumed>) = 0 [pid 6993] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6991] <... futex resumed>) = 1 [pid 6987] <... futex resumed>) = 0 [pid 6994] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] close(3 [pid 6992] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6987] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] <... futex resumed>) = 0 [pid 6992] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 6987] <... futex resumed>) = 0 [pid 6995] <... openat resumed>) = 3 [pid 6994] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6987] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6994] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6992] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] write(3, "1000", 4 [pid 6994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6991] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6988] <... futex resumed>) = 0 [pid 6995] <... write resumed>) = 4 [pid 6994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6992] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6988] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6987] <... futex resumed>) = ? [pid 6995] close(3 [pid 6994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6992] <... openat resumed>) = 3 [pid 6994] <... mmap resumed>) = 0x7f3949327000 [pid 6994] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6992] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... futex resumed>) = 0 [pid 6994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6992] <... futex resumed>) = 1 [pid 6988] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6992] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6988] <... futex resumed>) = 0 [pid 6995] <... close resumed>) = 0 executing program [pid 6992] <... mmap resumed>) = 0x200000000000 [pid 6991] +++ killed by SIGBUS +++ [pid 6988] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6987] +++ killed by SIGBUS +++ [pid 6994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6995] write(1, "executing program\n", 18 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6987, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6995] <... write resumed>) = 18 [pid 6994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5828] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6996 attached [pid 6995] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... close resumed>) = 0 [pid 6992] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... restart_syscall resumed>) = 0 [pid 6996] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6995] <... futex resumed>) = 0 [pid 6994] <... clone3 resumed> => {parent_tid=[6996]}, 88) = 6996 [pid 6993] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6992] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 6996] <... rseq resumed>) = 0 [pid 6995] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6994] rt_sigprocmask(SIG_SETMASK, [], [pid 6993] <... futex resumed>) = 1 [pid 6992] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6990] <... futex resumed>) = 0 [pid 6988] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] set_robust_list(0x7f39493479a0, 24 [pid 6995] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6993] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6990] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... futex resumed>) = 0 [pid 6996] <... set_robust_list resumed>) = 0 [pid 6995] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6994] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6992] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6990] <... futex resumed>) = 0 [pid 6988] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6996] rt_sigprocmask(SIG_SETMASK, [], [pid 6995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6994] <... futex resumed>) = 0 [pid 6993] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6990] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6988] <... futex resumed>) = ? [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6994] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6997 attached [pid 6997] set_robust_list(0x55558704b6a0, 24 [pid 6996] memfd_create("syzkaller", 0 [pid 6995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6993] <... openat resumed>) = 3 [pid 6992] +++ killed by SIGBUS +++ [pid 6988] +++ killed by SIGBUS +++ [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 6997 [pid 6997] <... set_robust_list resumed>) = 0 [pid 6997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6995] <... mmap resumed>) = 0x7f3949327000 [pid 6993] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6988, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6996] <... memfd_create resumed>) = 3 [pid 6993] <... futex resumed>) = 1 [pid 6990] <... futex resumed>) = 0 [pid 6996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6990] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6990] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] <... prctl resumed>) = 0 [pid 6995] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6993] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6996] <... mmap resumed>) = 0x7f3940e00000 [pid 6997] setpgid(0, 0 [pid 6995] <... mprotect resumed>) = 0 [pid 6997] <... setpgid resumed>) = 0 [pid 6995] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6993] <... mmap resumed>) = 0x200000000000 [pid 6997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6995] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6993] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6995] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6993] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6998 attached [pid 6993] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6997] write(3, "1000", 4 [pid 6990] <... futex resumed>) = 0 [pid 6998] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 6990] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] <... rseq resumed>) = 0 [pid 6990] <... futex resumed>) = 1 [pid 6998] set_robust_list(0x7f39493479a0, 24 [pid 6990] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] <... set_robust_list resumed>) = 0 [pid 6998] rt_sigprocmask(SIG_SETMASK, [], [pid 6997] <... write resumed>) = 4 [pid 6995] <... clone3 resumed> => {parent_tid=[6998]}, 88) = 6998 [pid 6993] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6997] close(3 [pid 6995] rt_sigprocmask(SIG_SETMASK, [], [pid 6993] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- ./strace-static-x86_64: Process 6999 attached [pid 6999] set_robust_list(0x55558704b6a0, 24 [pid 6998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6997] <... close resumed>) = 0 [pid 6996] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6990] <... futex resumed>) = ? [pid 6999] <... set_robust_list resumed>) = 0 [pid 6998] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6997] write(1, "executing program\n", 18 [pid 6995] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] +++ killed by SIGBUS +++ [pid 6990] +++ killed by SIGBUS +++ [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 6999 [pid 6998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... write resumed>) = 18 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6990, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6998] memfd_create("syzkaller", 0 [pid 6997] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = 0 [pid 6999] <... prctl resumed>) = 0 [pid 6997] <... futex resumed>) = 0 [pid 6995] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6998] <... memfd_create resumed>) = 3 [pid 6997] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 6999] setpgid(0, 0 [pid 6997] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6999] <... setpgid resumed>) = 0 [pid 6997] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6998] <... mmap resumed>) = 0x7f3940e00000 [pid 6997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6999] <... openat resumed>) = 3 [pid 6997] <... mmap resumed>) = 0x7f3949327000 [pid 6996] <... write resumed>) = 1048576 [pid 6999] write(3, "1000", 4 [pid 6997] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6999] <... write resumed>) = 4 [pid 6997] <... mprotect resumed>) = 0 [pid 6999] close(3 [pid 6997] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6999] <... close resumed>) = 0 [pid 6999] write(1, "executing program\n", 18executing program ) = 18 [pid 6997] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6999] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 6996] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 7001 attached ./strace-static-x86_64: Process 7000 attached [pid 6999] <... futex resumed>) = 0 [pid 6996] <... munmap resumed>) = 0 [pid 7001] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7000] set_robust_list(0x55558704b6a0, 24 [pid 6999] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7000 [pid 7001] <... rseq resumed>) = 0 [pid 7000] <... set_robust_list resumed>) = 0 [pid 6999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6997] <... clone3 resumed> => {parent_tid=[7001]}, 88) = 7001 [pid 7001] set_robust_list(0x7f39493479a0, 24 [pid 7000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6996] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7001] <... set_robust_list resumed>) = 0 [pid 7000] <... prctl resumed>) = 0 [pid 6999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6997] rt_sigprocmask(SIG_SETMASK, [], [pid 6996] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7001] rt_sigprocmask(SIG_SETMASK, [], [pid 7000] setpgid(0, 0 [pid 6999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7000] <... setpgid resumed>) = 0 [pid 7001] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6999] <... mmap resumed>) = 0x7f3949327000 [pid 6997] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] close(3 [pid 7001] <... futex resumed>) = 0 [pid 7000] <... openat resumed>) = 3 [pid 6999] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6997] <... futex resumed>) = 1 [pid 7001] memfd_create("syzkaller", 0 [pid 6999] <... mprotect resumed>) = 0 [pid 6997] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7000] write(3, "1000", 4 [pid 7001] <... memfd_create resumed>) = 3 [pid 7000] <... write resumed>) = 4 [pid 7000] close(3 [pid 6999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6996] <... close resumed>) = 0 [pid 7001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 6999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6996] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7002 attached => {parent_tid=[7002]}, 88) = 7002 [pid 6999] rt_sigprocmask(SIG_SETMASK, [], [pid 6996] <... futex resumed>) = 1 [pid 6994] <... futex resumed>) = 0 [pid 7002] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7000] <... close resumed>) = 0 [pid 6999] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 6998] <... write resumed>) = 1048576 [pid 6996] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... rseq resumed>) = 0 [pid 7000] write(1, "executing program\n", 18 [pid 6999] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] set_robust_list(0x7f39493479a0, 24 [pid 7000] <... write resumed>) = 18 [pid 6999] <... futex resumed>) = 0 [pid 7002] <... set_robust_list resumed>) = 0 [pid 7000] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] rt_sigprocmask(SIG_SETMASK, [], [pid 7000] <... futex resumed>) = 0 [pid 7002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7000] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7002] memfd_create("syzkaller", 0 [pid 7000] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6999] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6994] <... futex resumed>) = 0 [pid 6996] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6994] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7002] <... memfd_create resumed>) = 3 [pid 7001] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7000] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6998] munmap(0x7f3940e00000, 138412032 [pid 6996] <... openat resumed>) = 3 [pid 6996] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7001] <... write resumed>) = 1048576 [pid 7000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6998] <... munmap resumed>) = 0 [pid 7000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7002] <... mmap resumed>) = 0x7f3940e00000 [pid 7001] munmap(0x7f3940e00000, 138412032 [pid 7000] <... mmap resumed>) = 0x7f3949327000 [pid 6998] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6996] <... futex resumed>) = 1 [pid 6994] <... futex resumed>) = 0 [pid 7000] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 6998] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6996] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] <... mprotect resumed>) = 0 [pid 6998] close(3 [pid 6994] <... futex resumed>) = 0 [pid 7001] <... munmap resumed>) = 0 [pid 6996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6994] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7000] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7000] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} => {parent_tid=[7003]}, 88) = 7003 [pid 7000] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7000] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7003 attached [pid 7000] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7003] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7003] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7003] memfd_create("syzkaller", 0) = 3 [pid 7003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7002] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6996] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7001] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6998] <... close resumed>) = 0 [pid 6996] <... mmap resumed>) = 0x200000000000 [pid 7001] close(3 [pid 6996] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6998] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6996] <... futex resumed>) = 1 [pid 6996] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7002] <... write resumed>) = 1048576 [pid 7001] <... close resumed>) = 0 [pid 6995] <... futex resumed>) = 0 [pid 6994] <... futex resumed>) = 0 [pid 6995] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... write resumed>) = 1048576 [pid 7002] munmap(0x7f3940e00000, 138412032 [pid 7001] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] <... futex resumed>) = 0 [pid 6995] <... futex resumed>) = 1 [pid 6994] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] munmap(0x7f3940e00000, 138412032 [pid 7002] <... munmap resumed>) = 0 [pid 7001] <... futex resumed>) = 1 [pid 6998] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6997] <... futex resumed>) = 0 [pid 6996] <... futex resumed>) = 0 [pid 6995] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6994] <... futex resumed>) = 1 [pid 7001] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6998] <... openat resumed>) = 3 [pid 6997] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6994] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6998] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... futex resumed>) = 0 [pid 7003] <... munmap resumed>) = 0 [pid 7002] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7001] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 6998] <... futex resumed>) = 1 [pid 6997] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... futex resumed>) = 0 [pid 7002] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7001] <... openat resumed>) = 3 [pid 6998] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6995] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7002] close(3 [pid 7001] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] <... futex resumed>) = 1 [pid 6997] <... futex resumed>) = 0 [pid 6996] +++ killed by SIGBUS +++ [pid 6995] <... futex resumed>) = 0 [pid 6994] +++ killed by SIGBUS +++ [pid 6998] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7001] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 6997] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6994, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7001] <... mmap resumed>) = 0x200000000000 [pid 6998] <... mmap resumed>) = 0x200000000000 [pid 6997] <... futex resumed>) = 0 [pid 6995] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 6997] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7001] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... futex resumed>) = 0 [pid 6997] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... futex resumed>) = 1 [pid 6997] <... futex resumed>) = 0 [pid 7001] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6997] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6998] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... futex resumed>) = ? [pid 5826] <... restart_syscall resumed>) = 0 [pid 7002] <... close resumed>) = 0 [pid 7001] +++ killed by SIGBUS +++ [pid 7003] close(3 [pid 6998] <... futex resumed>) = 1 [pid 6997] +++ killed by SIGBUS +++ [pid 6995] <... futex resumed>) = 0 [pid 6998] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 6995] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = ? [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6997, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6998] +++ killed by SIGBUS +++ [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7002] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7002] <... futex resumed>) = 1 [pid 6999] <... futex resumed>) = 0 [pid 6999] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6999] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7002] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000./strace-static-x86_64: Process 7004 attached ./strace-static-x86_64: Process 7005 attached [pid 7004] set_robust_list(0x55558704b6a0, 24 [pid 7002] <... openat resumed>) = 3 [pid 6995] +++ killed by SIGBUS +++ [pid 7002] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6995, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7005] set_robust_list(0x55558704b6a0, 24 [pid 7002] <... futex resumed>) = 1 [pid 6999] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7005] <... set_robust_list resumed>) = 0 [pid 7004] <... set_robust_list resumed>) = 0 [pid 7002] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6999] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7004 [pid 7005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6999] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7005 [pid 7005] <... prctl resumed>) = 0 [pid 7004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6999] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7005] setpgid(0, 0 [pid 7004] <... prctl resumed>) = 0 [pid 7002] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7005] <... setpgid resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7004] setpgid(0, 0 [pid 7002] <... mmap resumed>) = 0x200000000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7006 attached [pid 7005] <... openat resumed>) = 3 [pid 7003] <... close resumed>) = 0 [pid 7006] set_robust_list(0x55558704b6a0, 24 [pid 7004] <... setpgid resumed>) = 0 [pid 7002] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... set_robust_list resumed>) = 0 [pid 7005] write(3, "1000", 4 [pid 7002] <... futex resumed>) = 1 [pid 7006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7005] <... write resumed>) = 4 [pid 7004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7002] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6999] <... futex resumed>) = 0 [pid 7006] <... prctl resumed>) = 0 [pid 7005] close(3 [pid 7003] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6999] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] setpgid(0, 0 [pid 7005] <... close resumed>) = 0 [pid 7004] <... openat resumed>) = 3 [pid 6999] <... futex resumed>) = 0 [pid 7006] <... setpgid resumed>) = 0 executing program [pid 7005] write(1, "executing program\n", 18 [pid 7004] write(3, "1000", 4 [pid 7003] <... futex resumed>) = 1 [pid 7002] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7000] <... futex resumed>) = 0 [pid 6999] read(0, [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7006 [pid 7006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7005] <... write resumed>) = 18 [pid 7004] <... write resumed>) = 4 [pid 7003] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... openat resumed>) = 3 [pid 7005] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] close(3 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7006] write(3, "1000", 4 [pid 7005] <... futex resumed>) = 0 [pid 7004] <... close resumed>) = 0 [pid 7003] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7000] <... futex resumed>) = 0 [pid 7006] <... write resumed>) = 4 executing program [pid 7005] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7004] write(1, "executing program\n", 18 [pid 7000] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7006] close(3 [pid 7005] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7004] <... write resumed>) = 18 [pid 7003] <... openat resumed>) = 3 [pid 7006] <... close resumed>) = 0 [pid 7005] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7004] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] +++ killed by SIGBUS +++ [pid 6999] +++ killed by SIGBUS +++ [pid 7006] write(1, "executing program\n", 18 [pid 7005] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7004] <... futex resumed>) = 0 [pid 7003] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... write resumed>) = 18 [pid 7005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7004] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7003] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 7006] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... mmap resumed>) = 0x7f3949327000 [pid 7004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7003] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7000] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6999, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7006] <... futex resumed>) = 0 [pid 7005] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7000] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7006] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7005] <... mprotect resumed>) = 0 [pid 7004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7003] <... mmap resumed>) = 0x200000000000 [pid 7000] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7006] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7005] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7005] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7007 attached [pid 7006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7003] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7007] set_robust_list(0x55558704b6a0, 24 [pid 7006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7005] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7003] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7007 [pid 7007] <... set_robust_list resumed>) = 0 [pid 7006] <... mmap resumed>) = 0x7f3949327000 [pid 7004] <... mmap resumed>) = 0x7f3949327000 [pid 7000] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7008 attached [pid 7007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7006] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7005] <... clone3 resumed> => {parent_tid=[7008]}, 88) = 7008 [pid 7004] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7003] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7000] <... futex resumed>) = ? [pid 7008] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7007] <... prctl resumed>) = 0 [pid 7006] <... mprotect resumed>) = 0 [pid 7005] rt_sigprocmask(SIG_SETMASK, [], [pid 7004] <... mprotect resumed>) = 0 [pid 7008] <... rseq resumed>) = 0 [pid 7008] set_robust_list(0x7f39493479a0, 24 [pid 7007] setpgid(0, 0 [pid 7006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7008] <... set_robust_list resumed>) = 0 [pid 7007] <... setpgid resumed>) = 0 [pid 7008] rt_sigprocmask(SIG_SETMASK, [], [pid 7007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7005] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7008] memfd_create("syzkaller", 0 [pid 7006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7005] <... futex resumed>) = 0 [pid 7004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7008] <... memfd_create resumed>) = 3 [pid 7006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7005] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7009 attached [pid 7008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7007] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7010 attached [pid 7009] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7008] <... mmap resumed>) = 0x7f3940e00000 [pid 7006] <... clone3 resumed> => {parent_tid=[7009]}, 88) = 7009 [pid 7004] <... clone3 resumed> => {parent_tid=[7010]}, 88) = 7010 [pid 7010] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7009] <... rseq resumed>) = 0 [pid 7007] write(3, "1000", 4 [pid 7006] rt_sigprocmask(SIG_SETMASK, [], [pid 7004] rt_sigprocmask(SIG_SETMASK, [], [pid 7010] <... rseq resumed>) = 0 [pid 7009] set_robust_list(0x7f39493479a0, 24 [pid 7008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7007] <... write resumed>) = 4 [pid 7006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7003] +++ killed by SIGBUS +++ [pid 7000] +++ killed by SIGBUS +++ [pid 7010] set_robust_list(0x7f39493479a0, 24 [pid 7009] <... set_robust_list resumed>) = 0 [pid 7007] close(3 [pid 7006] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] <... set_robust_list resumed>) = 0 [pid 7009] rt_sigprocmask(SIG_SETMASK, [], [pid 7007] <... close resumed>) = 0 [pid 7006] <... futex resumed>) = 0 [pid 7004] <... futex resumed>) = 0 executing program [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7000, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7010] rt_sigprocmask(SIG_SETMASK, [], [pid 7009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7007] write(1, "executing program\n", 18 [pid 7006] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7004] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7009] memfd_create("syzkaller", 0 [pid 7007] <... write resumed>) = 18 [pid 7009] <... memfd_create resumed>) = 3 [pid 7007] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7007] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7007] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7008] <... write resumed>) = 1048576 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7010] memfd_create("syzkaller", 0 [pid 7009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7008] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 7011 attached [pid 7010] <... memfd_create resumed>) = 3 [pid 7009] <... mmap resumed>) = 0x7f3940e00000 [pid 7008] <... munmap resumed>) = 0 [pid 7007] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7011] set_robust_list(0x55558704b6a0, 24 [pid 7010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7008] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7010] <... mmap resumed>) = 0x7f3940e00000 [pid 7008] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7011] <... set_robust_list resumed>) = 0 [pid 7007] <... mprotect resumed>) = 0 [pid 7007] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7007] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7012 attached [pid 7011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7008] close(3 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7011 [pid 7007] <... clone3 resumed> => {parent_tid=[7012]}, 88) = 7012 [pid 7007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7007] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7007] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7012] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7011] <... prctl resumed>) = 0 [pid 7011] setpgid(0, 0 [pid 7012] <... rseq resumed>) = 0 [pid 7011] <... setpgid resumed>) = 0 [pid 7012] set_robust_list(0x7f39493479a0, 24 [pid 7011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7012] <... set_robust_list resumed>) = 0 [pid 7012] rt_sigprocmask(SIG_SETMASK, [], [pid 7009] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7011] <... openat resumed>) = 3 [pid 7012] memfd_create("syzkaller", 0 [pid 7011] write(3, "1000", 4 [pid 7012] <... memfd_create resumed>) = 3 [pid 7011] <... write resumed>) = 4 [pid 7008] <... close resumed>) = 0 [pid 7012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7011] close(3 [pid 7012] <... mmap resumed>) = 0x7f3940e00000 [pid 7011] <... close resumed>) = 0 [pid 7010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7011] write(1, "executing program\n", 18 [pid 7010] <... write resumed>) = 1048576 executing program [pid 7008] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... write resumed>) = 18 [pid 7008] <... futex resumed>) = 1 [pid 7005] <... futex resumed>) = 0 [pid 7005] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7005] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7011] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... write resumed>) = 1048576 [pid 7012] <... write resumed>) = 1048576 [pid 7011] <... futex resumed>) = 0 [pid 7010] munmap(0x7f3940e00000, 138412032 [pid 7008] <... openat resumed>) = 3 [pid 7009] munmap(0x7f3940e00000, 138412032 [pid 7012] munmap(0x7f3940e00000, 138412032 [pid 7011] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7008] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] <... munmap resumed>) = 0 [pid 7008] <... futex resumed>) = 1 [pid 7005] <... futex resumed>) = 0 [pid 7011] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7010] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7008] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7005] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... munmap resumed>) = 0 [pid 7012] <... munmap resumed>) = 0 [pid 7011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7010] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7008] <... mmap resumed>) = 0x200000000000 [pid 7005] <... futex resumed>) = 0 [pid 7009] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7012] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7010] close(3 [pid 7008] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7009] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7008] <... futex resumed>) = 0 [pid 7005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7005] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7005] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] close(3 [pid 7011] <... mmap resumed>) = 0x7f3949327000 [pid 7010] <... close resumed>) = 0 [pid 7009] close(3 [pid 7008] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7011] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7010] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... futex resumed>) = ? [pid 7011] <... mprotect resumed>) = 0 [pid 7010] <... futex resumed>) = 1 [pid 7004] <... futex resumed>) = 0 [pid 7011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7004] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] +++ killed by SIGBUS +++ [pid 7005] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7005, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7012] <... close resumed>) = 0 [pid 7011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7010] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7009] <... close resumed>) = 0 [pid 7004] <... futex resumed>) = 0 [pid 7012] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7004] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7013 attached [pid 7012] <... futex resumed>) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7010] <... openat resumed>) = 3 [pid 7007] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7012] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7011] <... clone3 resumed> => {parent_tid=[7013]}, 88) = 7013 [pid 7010] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... rseq resumed>) = 0 [pid 7007] <... futex resumed>) = 0 [pid 7013] set_robust_list(0x7f39493479a0, 24 [pid 7012] <... openat resumed>) = 3 [pid 7011] rt_sigprocmask(SIG_SETMASK, [], [pid 7010] <... futex resumed>) = 1 [pid 7007] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... futex resumed>) = 0 [pid 7013] <... set_robust_list resumed>) = 0 [pid 7013] rt_sigprocmask(SIG_SETMASK, [], [pid 7011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7010] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7004] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7011] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] <... mmap resumed>) = 0x200000000000 [pid 7004] <... futex resumed>) = 0 [pid 7009] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7012] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] memfd_create("syzkaller", 0 [pid 7011] <... futex resumed>) = 0 [pid 7010] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... futex resumed>) = 1 [pid 7006] <... futex resumed>) = 0 [pid 7004] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] <... memfd_create resumed>) = 3 [pid 7012] <... futex resumed>) = 1 [pid 7011] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7010] <... futex resumed>) = 0 [pid 7009] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] <... futex resumed>) = 0 [pid 7006] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7012] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7010] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... futex resumed>) = 0 [pid 7004] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7013] <... mmap resumed>) = 0x7f3940e00000 [pid 7012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7009] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7007] <... futex resumed>) = 0 [pid 7006] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7012] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7012] <... mmap resumed>) = 0x200000000000 [pid 7010] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7009] <... openat resumed>) = 3 [pid 7007] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7014 attached [pid 7012] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... futex resumed>) = ? [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7014 [pid 7014] set_robust_list(0x55558704b6a0, 24 [pid 7012] <... futex resumed>) = 1 [pid 7010] +++ killed by SIGBUS +++ [pid 7007] <... futex resumed>) = 0 [pid 7007] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... futex resumed>) = 1 [pid 7006] <... futex resumed>) = 0 [pid 7014] <... set_robust_list resumed>) = 0 [pid 7012] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7009] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] <... futex resumed>) = 0 [pid 7006] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7006] <... futex resumed>) = 0 [pid 7006] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] +++ killed by SIGBUS +++ [pid 7009] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7004, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7014] <... prctl resumed>) = 0 [pid 7009] <... mmap resumed>) = 0x200000000000 [pid 7012] +++ killed by SIGBUS +++ [pid 7007] +++ killed by SIGBUS +++ [pid 7014] setpgid(0, 0 [pid 7009] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7007, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7014] <... setpgid resumed>) = 0 [pid 7006] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7006] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7009] <... futex resumed>) = 1 [pid 7006] <... futex resumed>) = 0 [pid 7009] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7006] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7014] <... openat resumed>) = 3 [pid 7006] <... futex resumed>) = ? [pid 7014] write(3, "1000", 4 [pid 7013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5829] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7014] <... write resumed>) = 4 [pid 7014] close(3 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7014] <... close resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 7014] write(1, "executing program\n", 18 [pid 7009] +++ killed by SIGBUS +++ [pid 7006] +++ killed by SIGBUS +++ [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7014] <... write resumed>) = 18 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7006, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7015 attached [pid 7015] set_robust_list(0x55558704b6a0, 24 [pid 7014] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7015 [pid 7015] <... set_robust_list resumed>) = 0 [pid 7014] <... futex resumed>) = 0 [pid 7015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7014] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 7016 attached NULL, 8) = 0 [pid 7016] set_robust_list(0x55558704b6a0, 24 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7016] <... set_robust_list resumed>) = 0 [pid 7014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7015] <... prctl resumed>) = 0 [pid 7014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7015] setpgid(0, 0 [pid 7014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7016 [pid 7015] <... setpgid resumed>) = 0 [pid 7014] <... mmap resumed>) = 0x7f3949327000 [pid 7015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7017 attached [pid 7016] <... prctl resumed>) = 0 [pid 7014] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7015] <... openat resumed>) = 3 [pid 7016] setpgid(0, 0 [pid 7014] <... mprotect resumed>) = 0 [pid 7016] <... setpgid resumed>) = 0 [pid 7017] set_robust_list(0x55558704b6a0, 24 [pid 7016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7014] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7017] <... set_robust_list resumed>) = 0 [pid 7015] write(3, "1000", 4 [pid 7017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7015] <... write resumed>) = 4 [pid 7015] close(3 [pid 7014] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7017] <... prctl resumed>) = 0 [pid 7015] <... close resumed>) = 0 [pid 7014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7018 attached [pid 7017] setpgid(0, 0 [pid 7016] <... openat resumed>) = 3 [pid 7015] write(1, "executing program\n", 18executing program [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7017 [pid 7017] <... setpgid resumed>) = 0 [pid 7016] write(3, "1000", 4 [pid 7015] <... write resumed>) = 18 [pid 7014] <... clone3 resumed> => {parent_tid=[7018]}, 88) = 7018 [pid 7017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7015] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] rt_sigprocmask(SIG_SETMASK, [], [pid 7018] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7015] <... futex resumed>) = 0 [pid 7014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7017] <... openat resumed>) = 3 [pid 7015] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7014] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] <... rseq resumed>) = 0 executing program [pid 7016] <... write resumed>) = 4 [pid 7018] set_robust_list(0x7f39493479a0, 24 [pid 7016] close(3 [pid 7018] <... set_robust_list resumed>) = 0 [pid 7018] rt_sigprocmask(SIG_SETMASK, [], [pid 7017] write(3, "1000", 4 [pid 7016] <... close resumed>) = 0 [pid 7015] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7014] <... futex resumed>) = 0 [pid 7017] <... write resumed>) = 4 [pid 7015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7014] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7017] close(3 [pid 7016] write(1, "executing program\n", 18 [pid 7015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7017] <... close resumed>) = 0 [pid 7015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 7018] memfd_create("syzkaller", 0 [pid 7017] write(1, "executing program\n", 18 [pid 7016] <... write resumed>) = 18 [pid 7015] <... mmap resumed>) = 0x7f3949327000 [pid 7017] <... write resumed>) = 18 [pid 7015] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7016] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] <... memfd_create resumed>) = 3 [pid 7017] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... futex resumed>) = 0 [pid 7015] <... mprotect resumed>) = 0 [pid 7018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7016] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7018] <... mmap resumed>) = 0x7f3940e00000 [pid 7017] <... futex resumed>) = 0 [pid 7016] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7017] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7017] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7017] <... mmap resumed>) = 0x7f3949327000 ./strace-static-x86_64: Process 7019 attached [pid 7018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7017] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7013] <... write resumed>) = 1048576 [pid 7019] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7017] <... mprotect resumed>) = 0 [pid 7015] <... clone3 resumed> => {parent_tid=[7019]}, 88) = 7019 [pid 7019] <... rseq resumed>) = 0 [pid 7017] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7015] rt_sigprocmask(SIG_SETMASK, [], [pid 7019] set_robust_list(0x7f39493479a0, 24 [pid 7016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7019] <... set_robust_list resumed>) = 0 [pid 7017] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7016] <... mmap resumed>) = 0x7f3949327000 [pid 7015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7019] rt_sigprocmask(SIG_SETMASK, [], [pid 7017] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7016] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7015] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7020 attached [pid 7019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7016] <... mprotect resumed>) = 0 [pid 7015] <... futex resumed>) = 0 [pid 7020] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7019] memfd_create("syzkaller", 0 [pid 7020] <... rseq resumed>) = 0 [pid 7017] <... clone3 resumed> => {parent_tid=[7020]}, 88) = 7020 [pid 7015] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7020] set_robust_list(0x7f39493479a0, 24 [pid 7019] <... memfd_create resumed>) = 3 [pid 7017] rt_sigprocmask(SIG_SETMASK, [], [pid 7016] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7020] <... set_robust_list resumed>) = 0 [pid 7019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7016] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7020] rt_sigprocmask(SIG_SETMASK, [], [pid 7019] <... mmap resumed>) = 0x7f3940e00000 [pid 7017] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7020] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7021 attached [pid 7017] <... futex resumed>) = 0 [pid 7013] munmap(0x7f3940e00000, 138412032 [pid 7021] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7016] <... clone3 resumed> => {parent_tid=[7021]}, 88) = 7021 [pid 7021] <... rseq resumed>) = 0 [pid 7020] memfd_create("syzkaller", 0 [pid 7016] rt_sigprocmask(SIG_SETMASK, [], [pid 7021] set_robust_list(0x7f39493479a0, 24 [pid 7016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7021] <... set_robust_list resumed>) = 0 [pid 7016] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] rt_sigprocmask(SIG_SETMASK, [], [pid 7020] <... memfd_create resumed>) = 3 [pid 7016] <... futex resumed>) = 0 [pid 7021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7016] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7021] memfd_create("syzkaller", 0 [pid 7020] <... mmap resumed>) = 0x7f3940e00000 [pid 7021] <... memfd_create resumed>) = 3 [pid 7018] <... write resumed>) = 1048576 [pid 7017] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7013] <... munmap resumed>) = 0 [pid 7021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7018] munmap(0x7f3940e00000, 138412032) = 0 [pid 7020] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7018] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7013] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7018] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7013] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7020] <... write resumed>) = 1048576 [pid 7021] <... write resumed>) = 1048576 [pid 7019] <... write resumed>) = 1048576 [pid 7018] close(3 [pid 7013] close(3 [pid 7020] munmap(0x7f3940e00000, 138412032) = 0 [pid 7018] <... close resumed>) = 0 [pid 7019] munmap(0x7f3940e00000, 138412032 [pid 7020] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7020] close(3 [pid 7021] munmap(0x7f3940e00000, 138412032 [pid 7019] <... munmap resumed>) = 0 [pid 7018] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... close resumed>) = 0 [pid 7021] <... munmap resumed>) = 0 [pid 7019] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7018] <... futex resumed>) = 1 [pid 7014] <... futex resumed>) = 0 [pid 7013] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... close resumed>) = 0 [pid 7019] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7018] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... futex resumed>) = 1 [pid 7011] <... futex resumed>) = 0 [pid 7020] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7019] close(3 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] <... futex resumed>) = 0 [pid 7013] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] <... futex resumed>) = 1 [pid 7017] <... futex resumed>) = 0 [pid 7014] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... futex resumed>) = 0 [pid 7020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] <... futex resumed>) = 0 [pid 7011] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7017] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] <... openat resumed>) = 3 [pid 7020] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7019] <... close resumed>) = 0 [pid 7018] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] <... futex resumed>) = 1 [pid 7017] <... futex resumed>) = 0 [pid 7020] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7018] <... openat resumed>) = 3 [pid 7017] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] <... futex resumed>) = 0 [pid 7020] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7018] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] <... openat resumed>) = 3 [pid 7020] <... mmap resumed>) = 0x200000000000 [pid 7018] <... futex resumed>) = 1 [pid 7014] <... futex resumed>) = 0 [pid 7021] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7018] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7013] <... futex resumed>) = 1 [pid 7014] <... futex resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 7013] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7014] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7011] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... futex resumed>) = 1 [pid 7018] <... mmap resumed>) = 0x200000000000 [pid 7017] <... futex resumed>) = 0 [pid 7013] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7011] <... futex resumed>) = 0 [pid 7020] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7018] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] <... futex resumed>) = 0 [pid 7020] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7018] <... futex resumed>) = 1 [pid 7017] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7014] <... futex resumed>) = 0 [pid 7013] <... mmap resumed>) = 0x200000000000 [pid 7018] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7021] close(3 [pid 7013] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] <... futex resumed>) = ? [pid 7014] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... futex resumed>) = 1 [pid 7011] <... futex resumed>) = 0 [pid 7020] +++ killed by SIGBUS +++ [pid 7018] <... futex resumed>) = 0 [pid 7017] +++ killed by SIGBUS +++ [pid 7014] <... futex resumed>) = 1 [pid 7011] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] <... futex resumed>) = 0 [pid 7011] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7017, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7018] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7019] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... futex resumed>) = ? [pid 7013] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7021] <... close resumed>) = 0 [pid 7019] <... futex resumed>) = 1 [pid 7018] +++ killed by SIGBUS +++ [pid 7015] <... futex resumed>) = 0 [pid 7014] +++ killed by SIGBUS +++ [pid 7011] <... futex resumed>) = ? [pid 7021] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7019] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7015] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] +++ killed by SIGBUS +++ [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7021] <... futex resumed>) = 1 [pid 7019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7016] <... futex resumed>) = 0 [pid 7015] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7014, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7021] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7019] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7016] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7023 attached [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7019] <... openat resumed>) = 3 [pid 7016] <... futex resumed>) = 0 [pid 7015] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7019] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] +++ killed by SIGBUS +++ [pid 7015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7023 [pid 7023] set_robust_list(0x55558704b6a0, 24 [pid 7021] <... openat resumed>) = 3 [pid 7019] <... futex resumed>) = 0 [pid 7015] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... set_robust_list resumed>) = 0 [pid 7019] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7015] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7021] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7019] <... mmap resumed>) = 0x200000000000 [pid 7015] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7011, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7023] <... prctl resumed>) = 0 [pid 7021] <... futex resumed>) = 1 [pid 7019] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7023] setpgid(0, 0 [pid 7021] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7019] <... futex resumed>) = 1 [pid 7016] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7015] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7023] <... setpgid resumed>) = 0 [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7019] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] <... futex resumed>) = 0 [pid 7015] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7021] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7016] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7024 attached [pid 7021] <... mmap resumed>) = 0x200000000000 [pid 7019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7015] <... futex resumed>) = 0 [pid 7024] set_robust_list(0x55558704b6a0, 24 [pid 7023] <... openat resumed>) = 3 [pid 7019] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7015] close(-2029734400 [pid 7024] <... set_robust_list resumed>) = 0 [pid 7023] write(3, "1000", 4 [pid 7021] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7024 [pid 7024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7023] <... write resumed>) = 4 [pid 7021] <... futex resumed>) = 1 [pid 7019] +++ killed by SIGBUS +++ [pid 7016] <... futex resumed>) = 0 [pid 7015] +++ killed by SIGBUS +++ [pid 5827] <... restart_syscall resumed>) = 0 [pid 7023] close(3 [pid 7021] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7015, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7016] <... futex resumed>) = 0 [pid 7016] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7024] <... prctl resumed>) = 0 [pid 7024] setpgid(0, 0) = 0 [pid 7021] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7023] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 7024] <... openat resumed>) = 3 [pid 7023] write(1, "executing program\n", 18 [pid 7016] <... futex resumed>) = ? [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7024] write(3, "1000", 4) = 4 executing program [pid 7023] <... write resumed>) = 18 [pid 7021] +++ killed by SIGBUS +++ [pid 7016] +++ killed by SIGBUS +++ [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7024] close(3 [pid 7023] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... close resumed>) = 0 [pid 7024] write(1, "executing program\n", 18) = 18 [pid 7024] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7024] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 7025 attached NULL, 8) = 0 [pid 7024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7016, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7025] set_robust_list(0x55558704b6a0, 24 [pid 7024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7025] <... set_robust_list resumed>) = 0 [pid 7024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7024] <... mmap resumed>) = 0x7f3949327000 [pid 7023] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7025 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7023] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 7026 attached [pid 7025] <... prctl resumed>) = 0 [pid 7024] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7026 [pid 7026] set_robust_list(0x55558704b6a0, 24 [pid 7023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7026] <... set_robust_list resumed>) = 0 [pid 7023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7025] setpgid(0, 0 [pid 7024] <... mprotect resumed>) = 0 [pid 7023] <... mmap resumed>) = 0x7f3949327000 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7026] <... prctl resumed>) = 0 [pid 7025] <... setpgid resumed>) = 0 [pid 7024] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7023] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7026] setpgid(0, 0 [pid 7025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7023] <... mprotect resumed>) = 0 [pid 7025] <... openat resumed>) = 3 [pid 7024] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7027 attached [pid 7026] <... setpgid resumed>) = 0 [pid 7023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7027] set_robust_list(0x55558704b6a0, 24 [pid 7026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7023] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7028 attached [pid 7027] <... set_robust_list resumed>) = 0 [pid 7026] <... openat resumed>) = 3 [pid 7025] write(3, "1000", 4 [pid 7023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7027 [pid 7028] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7026] write(3, "1000", 4 [pid 7025] <... write resumed>) = 4 [pid 7024] <... clone3 resumed> => {parent_tid=[7028]}, 88) = 7028 ./strace-static-x86_64: Process 7029 attached [pid 7028] <... rseq resumed>) = 0 [pid 7027] <... prctl resumed>) = 0 [pid 7026] <... write resumed>) = 4 [pid 7029] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7028] set_robust_list(0x7f39493479a0, 24 [pid 7029] <... rseq resumed>) = 0 [pid 7028] <... set_robust_list resumed>) = 0 [pid 7027] setpgid(0, 0 [pid 7026] close(3 [pid 7023] <... clone3 resumed> => {parent_tid=[7029]}, 88) = 7029 [pid 7029] set_robust_list(0x7f39493479a0, 24 [pid 7028] rt_sigprocmask(SIG_SETMASK, [], [pid 7027] <... setpgid resumed>) = 0 [pid 7026] <... close resumed>) = 0 [pid 7023] rt_sigprocmask(SIG_SETMASK, [], [pid 7029] <... set_robust_list resumed>) = 0 [pid 7028] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7029] rt_sigprocmask(SIG_SETMASK, [], [pid 7028] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7026] write(1, "executing program\n", 18 [pid 7025] close(3 [pid 7024] rt_sigprocmask(SIG_SETMASK, [], [pid 7023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7027] <... openat resumed>) = 3 [pid 7026] <... write resumed>) = 18 [pid 7025] <... close resumed>) = 0 [pid 7024] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7023] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] memfd_create("syzkaller", 0 [pid 7027] write(3, "1000", 4 [pid 7026] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] write(1, "executing program\n", 18 [pid 7024] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... futex resumed>) = 0 [pid 7029] <... memfd_create resumed>) = 3 [pid 7028] <... futex resumed>) = 0 [pid 7027] <... write resumed>) = 4 [pid 7026] <... futex resumed>) = 0 [pid 7025] <... write resumed>) = 18 [pid 7024] <... futex resumed>) = 1 [pid 7023] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7028] memfd_create("syzkaller", 0 [pid 7027] close(3 [pid 7026] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7025] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7029] <... mmap resumed>) = 0x7f3940e00000 [pid 7028] <... memfd_create resumed>) = 3 [pid 7027] <... close resumed>) = 0 [pid 7026] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7025] <... futex resumed>) = 0 [pid 7028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7027] write(1, "executing program\n", 18 [pid 7026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7025] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7025] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7025] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 7028] <... mmap resumed>) = 0x7f3940e00000 [pid 7027] <... write resumed>) = 18 [pid 7026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7025] <... mmap resumed>) = 0x7f3949327000 [pid 7026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7027] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] <... mmap resumed>) = 0x7f3949327000 [pid 7025] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7027] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7026] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7025] <... mprotect resumed>) = 0 [pid 7027] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7026] <... mprotect resumed>) = 0 [pid 7027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7025] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7025] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7025] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7027] <... mmap resumed>) = 0x7f3949327000 [pid 7027] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7026] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7030 attached [pid 7027] <... mprotect resumed>) = 0 [pid 7026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7030] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7027] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7030] <... rseq resumed>) = 0 [pid 7025] <... clone3 resumed> => {parent_tid=[7030]}, 88) = 7030 ./strace-static-x86_64: Process 7031 attached [pid 7030] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7025] rt_sigprocmask(SIG_SETMASK, [], [pid 7030] rt_sigprocmask(SIG_SETMASK, [], [pid 7025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7025] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] memfd_create("syzkaller", 0 [pid 7025] <... futex resumed>) = 0 [pid 7025] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7030] <... memfd_create resumed>) = 3 [pid 7030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7031] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7030] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7029] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7028] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7027] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7026] <... clone3 resumed> => {parent_tid=[7031]}, 88) = 7031 [pid 7031] <... rseq resumed>) = 0 [pid 7027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7026] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7032 attached NULL, 8) = 0 [pid 7026] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7032] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7026] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7032] <... rseq resumed>) = 0 [pid 7032] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7032] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7031] set_robust_list(0x7f39493479a0, 24 [pid 7027] <... clone3 resumed> => {parent_tid=[7032]}, 88) = 7032 [pid 7031] <... set_robust_list resumed>) = 0 [pid 7031] rt_sigprocmask(SIG_SETMASK, [], [pid 7027] rt_sigprocmask(SIG_SETMASK, [], [pid 7030] <... write resumed>) = 1048576 [pid 7031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7029] <... write resumed>) = 1048576 [pid 7028] <... write resumed>) = 1048576 [pid 7027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7031] memfd_create("syzkaller", 0 [pid 7030] munmap(0x7f3940e00000, 138412032 [pid 7029] munmap(0x7f3940e00000, 138412032 [pid 7028] munmap(0x7f3940e00000, 138412032 [pid 7031] <... memfd_create resumed>) = 3 [pid 7030] <... munmap resumed>) = 0 [pid 7027] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7032] <... futex resumed>) = 0 [pid 7030] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7028] <... munmap resumed>) = 0 [pid 7027] <... futex resumed>) = 1 [pid 7032] memfd_create("syzkaller", 0 [pid 7030] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7028] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7027] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7032] <... memfd_create resumed>) = 3 [pid 7028] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7031] <... mmap resumed>) = 0x7f3940e00000 [pid 7030] close(3 [pid 7029] <... munmap resumed>) = 0 [pid 7028] close(3 [pid 7029] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7032] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7029] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7029] close(3) = 0 [pid 7028] <... close resumed>) = 0 [pid 7032] <... write resumed>) = 1048576 [pid 7031] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7030] <... close resumed>) = 0 [pid 7029] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7032] munmap(0x7f3940e00000, 138412032 [pid 7030] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... futex resumed>) = 1 [pid 7028] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7023] <... futex resumed>) = 0 [pid 7032] <... munmap resumed>) = 0 [pid 7030] <... futex resumed>) = 1 [pid 7029] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7028] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7025] <... futex resumed>) = 0 [pid 7024] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7025] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... futex resumed>) = 0 [pid 7023] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7028] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7025] <... futex resumed>) = 0 [pid 7024] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7023] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7032] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7031] <... write resumed>) = 1048576 [pid 7030] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7029] <... openat resumed>) = 3 [pid 7025] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7032] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7031] munmap(0x7f3940e00000, 138412032 [pid 7030] <... openat resumed>) = 3 [pid 7029] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... openat resumed>) = 3 [pid 7032] close(3 [pid 7030] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... futex resumed>) = 1 [pid 7023] <... futex resumed>) = 0 [pid 7032] <... close resumed>) = 0 [pid 7031] <... munmap resumed>) = 0 [pid 7030] <... futex resumed>) = 1 [pid 7029] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7028] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] <... futex resumed>) = 0 [pid 7023] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7028] <... futex resumed>) = 1 [pid 7025] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... futex resumed>) = 0 [pid 7023] <... futex resumed>) = 0 [pid 7031] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7030] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7028] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7025] <... futex resumed>) = 0 [pid 7024] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7031] close(3 [pid 7029] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7025] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] <... mmap resumed>) = 0x200000000000 [pid 7030] <... mmap resumed>) = 0x200000000000 [pid 7029] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... futex resumed>) = 0 [pid 7025] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 1 [pid 7029] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7025] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7032] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7028] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7025] <... futex resumed>) = 0 [pid 7024] <... futex resumed>) = 0 [pid 7023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7032] <... futex resumed>) = 1 [pid 7028] <... mmap resumed>) = 0x200000000000 [pid 7027] <... futex resumed>) = 0 [pid 7032] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7030] +++ killed by SIGBUS +++ [pid 7027] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] +++ killed by SIGBUS +++ [pid 7024] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7023] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7032] <... openat resumed>) = 3 [pid 7031] <... close resumed>) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] <... futex resumed>) = 0 [pid 7024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7023] <... futex resumed>) = 1 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7025, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7032] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7028] <... futex resumed>) = 0 [pid 7027] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7024] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7032] <... futex resumed>) = 0 [pid 7031] <... futex resumed>) = 1 [pid 7028] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7026] <... futex resumed>) = 0 [pid 7024] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7032] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7031] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7029] +++ killed by SIGBUS +++ [pid 7027] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] +++ killed by SIGBUS +++ [pid 7032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7028] +++ killed by SIGBUS +++ [pid 7027] <... futex resumed>) = 0 [pid 7026] <... futex resumed>) = 0 [pid 7024] +++ killed by SIGBUS +++ [pid 7032] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7031] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7027] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7026] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7023, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7024, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7032] <... mmap resumed>) = 0x200000000000 [pid 7031] <... openat resumed>) = 3 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7032] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7032] <... futex resumed>) = 1 [pid 7031] <... futex resumed>) = 1 [pid 7027] <... futex resumed>) = 0 [pid 7026] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7032] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7031] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7027] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7033 attached [pid 7032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7027] <... futex resumed>) = 0 [pid 7026] <... futex resumed>) = 0 [pid 7031] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7027] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7026] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7033 [pid 7033] set_robust_list(0x55558704b6a0, 24 [pid 7032] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7031] <... mmap resumed>) = 0x200000000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7034 attached [pid 7033] <... set_robust_list resumed>) = 0 [pid 7031] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] <... futex resumed>) = ? [pid 7034] set_robust_list(0x55558704b6a0, 24 [pid 7033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7034] <... set_robust_list resumed>) = 0 [pid 7031] <... futex resumed>) = 1 [pid 7026] <... futex resumed>) = 0 [pid 7034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7026] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7033] <... prctl resumed>) = 0 [pid 7026] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7034] <... prctl resumed>) = 0 [pid 7033] setpgid(0, 0 [pid 7031] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7034] setpgid(0, 0 [pid 7033] <... setpgid resumed>) = 0 [pid 7026] <... futex resumed>) = ? [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7034 [pid 7034] <... setpgid resumed>) = 0 [pid 7034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7034] <... openat resumed>) = 3 [pid 7033] <... openat resumed>) = 3 [pid 7032] +++ killed by SIGBUS +++ [pid 7027] +++ killed by SIGBUS +++ [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7034] write(3, "1000", 4 [pid 7031] +++ killed by SIGBUS +++ [pid 7026] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7035 attached [pid 7034] <... write resumed>) = 4 [pid 7033] write(3, "1000", 4 [pid 7035] set_robust_list(0x55558704b6a0, 24 [pid 7034] close(3 [pid 7033] <... write resumed>) = 4 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7035 [pid 7035] <... set_robust_list resumed>) = 0 [pid 7034] <... close resumed>) = 0 [pid 7033] close(3 executing program [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7026, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7027, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7034] write(1, "executing program\n", 18 [pid 7033] <... close resumed>) = 0 [pid 7035] <... prctl resumed>) = 0 [pid 7034] <... write resumed>) = 18 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7035] setpgid(0, 0executing program [pid 7034] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] write(1, "executing program\n", 18 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7035] <... setpgid resumed>) = 0 [pid 7034] <... futex resumed>) = 0 [pid 7033] <... write resumed>) = 18 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7034] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7033] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7033] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 ./strace-static-x86_64: Process 7036 attached [pid 7035] <... openat resumed>) = 3 [pid 7034] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7035] write(3, "1000", 4 [pid 7034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7036] set_robust_list(0x55558704b6a0, 24 [pid 7035] <... write resumed>) = 4 [pid 7034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7036 [pid 7036] <... set_robust_list resumed>) = 0 [pid 7035] close(3 [pid 7034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7035] <... close resumed>) = 0 [pid 7033] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7036] <... prctl resumed>) = 0 [pid 7035] write(1, "executing program\n", 18 [pid 7034] <... mmap resumed>) = 0x7f3949327000 [pid 7033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7036] setpgid(0, 0 [pid 7035] <... write resumed>) = 18 [pid 7034] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7033] <... mmap resumed>) = 0x7f3949327000 [pid 7036] <... setpgid resumed>) = 0 [pid 7035] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... mprotect resumed>) = 0 [pid 7033] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7035] <... futex resumed>) = 0 [pid 7033] <... mprotect resumed>) = 0 [pid 7036] <... openat resumed>) = 3 [pid 7035] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7034] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7033] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7036] write(3, "1000", 4 [pid 7035] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7034] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7036] <... write resumed>) = 4 [pid 7035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7033] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7036] close(3 [pid 7035] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7037 attached [pid 7036] <... close resumed>) = 0 [pid 7035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}executing program ./strace-static-x86_64: Process 7038 attached [pid 7037] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7036] write(1, "executing program\n", 18 [pid 7035] <... mmap resumed>) = 0x7f3949327000 [pid 7038] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7037] <... rseq resumed>) = 0 [pid 7036] <... write resumed>) = 18 [pid 7035] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7034] <... clone3 resumed> => {parent_tid=[7037]}, 88) = 7037 [pid 7033] <... clone3 resumed> => {parent_tid=[7038]}, 88) = 7038 [pid 7038] <... rseq resumed>) = 0 [pid 7037] set_robust_list(0x7f39493479a0, 24 [pid 7036] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7038] set_robust_list(0x7f39493479a0, 24 [pid 7037] <... set_robust_list resumed>) = 0 [pid 7036] <... futex resumed>) = 0 [pid 7035] <... mprotect resumed>) = 0 [pid 7034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7038] <... set_robust_list resumed>) = 0 [pid 7037] rt_sigprocmask(SIG_SETMASK, [], [pid 7036] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7038] rt_sigprocmask(SIG_SETMASK, [], [pid 7037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7036] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7034] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7037] memfd_create("syzkaller", 0 [pid 7036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7034] <... futex resumed>) = 0 [pid 7033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7033] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7039 attached [pid 7033] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7039] set_robust_list(0x55558704b6a0, 24 [pid 7038] memfd_create("syzkaller", 0 [pid 7037] <... memfd_create resumed>) = 3 [pid 7036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7034] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7039 ./strace-static-x86_64: Process 7040 attached [pid 7039] <... set_robust_list resumed>) = 0 [pid 7037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7038] <... memfd_create resumed>) = 3 [pid 7037] <... mmap resumed>) = 0x7f3940e00000 [pid 7038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7036] <... mmap resumed>) = 0x7f3949327000 [pid 7040] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7039] <... prctl resumed>) = 0 [pid 7038] <... mmap resumed>) = 0x7f3940e00000 [pid 7037] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7036] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7035] <... clone3 resumed> => {parent_tid=[7040]}, 88) = 7040 [pid 7040] <... rseq resumed>) = 0 [pid 7039] setpgid(0, 0 [pid 7035] rt_sigprocmask(SIG_SETMASK, [], [pid 7039] <... setpgid resumed>) = 0 [pid 7039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7040] set_robust_list(0x7f39493479a0, 24 [pid 7038] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7037] <... write resumed>) = 1048576 [pid 7036] <... mprotect resumed>) = 0 [pid 7035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7040] <... set_robust_list resumed>) = 0 [pid 7039] write(3, "1000", 4 [pid 7037] munmap(0x7f3940e00000, 138412032 [pid 7036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7035] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] rt_sigprocmask(SIG_SETMASK, [], [pid 7039] <... write resumed>) = 4 [pid 7035] <... futex resumed>) = 0 [pid 7036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7035] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7039] close(3 [pid 7036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7039] <... close resumed>) = 0 [pid 7037] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7041 attached [pid 7040] memfd_create("syzkaller", 0 [pid 7039] write(1, "executing program\n", 18executing program [pid 7041] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7039] <... write resumed>) = 18 [pid 7041] <... rseq resumed>) = 0 [pid 7039] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] set_robust_list(0x7f39493479a0, 24 [pid 7039] <... futex resumed>) = 0 [pid 7041] <... set_robust_list resumed>) = 0 [pid 7039] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7041] rt_sigprocmask(SIG_SETMASK, [], [pid 7040] <... memfd_create resumed>) = 3 [pid 7039] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7037] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7036] <... clone3 resumed> => {parent_tid=[7041]}, 88) = 7041 [pid 7041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7037] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7036] rt_sigprocmask(SIG_SETMASK, [], [pid 7041] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7040] <... mmap resumed>) = 0x7f3940e00000 [pid 7039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7037] close(3 [pid 7036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7036] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] <... futex resumed>) = 0 [pid 7039] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7036] <... futex resumed>) = 1 [pid 7041] memfd_create("syzkaller", 0 [pid 7039] <... mprotect resumed>) = 0 [pid 7036] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7041] <... memfd_create resumed>) = 3 [pid 7041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7040] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7039] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7038] <... write resumed>) = 1048576 [pid 7037] <... close resumed>) = 0 [pid 7041] <... mmap resumed>) = 0x7f3940e00000 [pid 7039] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7037] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7037] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7042 attached [pid 7034] <... futex resumed>) = 0 [pid 7034] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] <... futex resumed>) = 0 [pid 7039] <... clone3 resumed> => {parent_tid=[7042]}, 88) = 7042 [pid 7034] <... futex resumed>) = 1 [pid 7042] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7039] rt_sigprocmask(SIG_SETMASK, [], [pid 7037] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7042] <... rseq resumed>) = 0 [pid 7039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7034] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] munmap(0x7f3940e00000, 138412032 [pid 7037] <... openat resumed>) = 3 [pid 7042] set_robust_list(0x7f39493479a0, 24 [pid 7039] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... futex resumed>) = 0 [pid 7042] <... set_robust_list resumed>) = 0 [pid 7042] rt_sigprocmask(SIG_SETMASK, [], [pid 7041] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7039] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7038] <... munmap resumed>) = 0 [pid 7037] <... futex resumed>) = 1 [pid 7034] <... futex resumed>) = 0 [pid 7042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7034] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7040] <... write resumed>) = 1048576 [pid 7038] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7034] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7040] munmap(0x7f3940e00000, 138412032 [pid 7038] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7038] close(3 [pid 7042] memfd_create("syzkaller", 0 [pid 7037] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 3 [pid 7037] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7040] <... munmap resumed>) = 0 [pid 7037] <... futex resumed>) = 1 [pid 7034] <... futex resumed>) = 0 [pid 7042] <... mmap resumed>) = 0x7f3940e00000 [pid 7040] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7037] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... close resumed>) = 0 [pid 7034] <... futex resumed>) = 0 [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7040] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7038] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7040] close(3 [pid 7037] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7034] <... futex resumed>) = ? [pid 7042] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7037] +++ killed by SIGBUS +++ [pid 7034] +++ killed by SIGBUS +++ [pid 7041] <... write resumed>) = 1048576 [pid 7040] <... close resumed>) = 0 [pid 7038] <... futex resumed>) = 1 [pid 7033] <... futex resumed>) = 0 [pid 7041] munmap(0x7f3940e00000, 138412032 [pid 7040] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7033] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7034, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7041] <... munmap resumed>) = 0 [pid 7040] <... futex resumed>) = 1 [pid 7038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7035] <... futex resumed>) = 0 [pid 7033] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7038] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7035] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7038] <... futex resumed>) = 0 [pid 7035] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7040] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7038] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7041] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7040] <... openat resumed>) = 3 [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7041] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7040] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = 0 [pid 7033] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... futex resumed>) = 0 [pid 7035] <... futex resumed>) = 0 [pid 7033] <... futex resumed>) = 1 [pid 7038] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7035] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7041] close(3 [pid 7040] <... futex resumed>) = 1 [pid 7038] <... mmap resumed>) = 0x200000000000 [pid 7040] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7040] <... mmap resumed>) = 0x200000000000 [pid 7042] <... write resumed>) = 1048576 [pid 7041] <... close resumed>) = 0 [pid 7040] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7041] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] <... futex resumed>) = 1 [pid 7038] <... futex resumed>) = 1 [pid 7035] <... futex resumed>) = 0 [pid 7041] <... futex resumed>) = 1 [pid 7040] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7036] <... futex resumed>) = 0 [pid 7035] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7040] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7043 attached [pid 7042] munmap(0x7f3940e00000, 138412032 [pid 7041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7040] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7038] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7036] <... futex resumed>) = 0 [pid 7035] read(1229035008, [pid 7033] <... futex resumed>) = 0 [pid 7043] set_robust_list(0x55558704b6a0, 24 [pid 7041] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7036] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7043 [pid 7043] <... set_robust_list resumed>) = 0 [pid 7042] <... munmap resumed>) = 0 [pid 7041] <... openat resumed>) = 3 [pid 7038] <... futex resumed>) = 0 [pid 7033] <... futex resumed>) = 1 [pid 7043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7042] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7038] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7033] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7043] <... prctl resumed>) = 0 [pid 7042] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7041] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] +++ killed by SIGBUS +++ [pid 7035] +++ killed by SIGBUS +++ [pid 7043] setpgid(0, 0 [pid 7041] <... futex resumed>) = 1 [pid 7036] <... futex resumed>) = 0 [pid 7036] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7041] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7036] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] <... setpgid resumed>) = 0 [pid 7042] close(3 [pid 7041] <... mmap resumed>) = 0x200000000000 [pid 7038] +++ killed by SIGBUS +++ [pid 7033] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7035, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7042] <... close resumed>) = 0 [pid 7042] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] <... openat resumed>) = 3 [pid 7041] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7033, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7043] write(3, "1000", 4 [pid 7042] <... futex resumed>) = 1 [pid 7041] <... futex resumed>) = 1 [pid 7039] <... futex resumed>) = 0 [pid 7036] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5828] <... restart_syscall resumed>) = 0 [pid 7043] <... write resumed>) = 4 [pid 7042] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7041] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7043] close(3 [pid 7042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7041] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7039] <... futex resumed>) = 0 [pid 7036] <... futex resumed>) = 0 [pid 7043] <... close resumed>) = 0 [pid 7042] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7041] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7039] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7043] write(1, "executing program\n", 18 [pid 7042] <... openat resumed>) = 3 [pid 7043] <... write resumed>) = 18 [pid 7043] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7041] +++ killed by SIGBUS +++ [pid 7036] +++ killed by SIGBUS +++ [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7043] <... futex resumed>) = 0 [pid 7042] <... futex resumed>) = 1 [pid 7039] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7043] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7042] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7039] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7042] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7039] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7042] <... mmap resumed>) = 0x200000000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7036, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7042] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7045 attached ./strace-static-x86_64: Process 7044 attached [pid 7043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7039] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7045] set_robust_list(0x55558704b6a0, 24 [pid 7044] set_robust_list(0x55558704b6a0, 24 [pid 7043] <... mmap resumed>) = 0x7f3949327000 [pid 7042] <... futex resumed>) = 1 [pid 7039] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... set_robust_list resumed>) = 0 [pid 7044] <... set_robust_list resumed>) = 0 [pid 7043] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7042] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7039] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7045 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7044 [pid 7045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7045] <... prctl resumed>) = 0 [pid 7043] <... mprotect resumed>) = 0 [pid 7045] setpgid(0, 0 [pid 7044] <... prctl resumed>) = 0 [pid 7043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7042] +++ killed by SIGBUS +++ [pid 7039] +++ killed by SIGBUS +++ [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7044] setpgid(0, 0 [pid 7043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7044] <... setpgid resumed>) = 0 [pid 7043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7039, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7045] <... setpgid resumed>) = 0 [pid 7044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7046 attached [pid 7045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] <... restart_syscall resumed>) = 0 [pid 7046] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7043] <... clone3 resumed> => {parent_tid=[7046]}, 88) = 7046 [pid 7046] <... rseq resumed>) = 0 [pid 7043] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 7043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7043] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] set_robust_list(0x7f39493479a0, 24 [pid 7045] <... openat resumed>) = 3 [pid 7044] <... openat resumed>) = 3 [pid 7043] <... futex resumed>) = 0 [pid 7045] write(3, "1000", 4) = 4 [pid 7045] close(3) = 0 [pid 7045] write(1, "executing program\n", 18) = 18 [pid 7045] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7045] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7047 attached NULL, 8) = 0 [pid 7047] set_robust_list(0x55558704b6a0, 24 [pid 7045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7046] <... set_robust_list resumed>) = 0 [pid 7045] <... mmap resumed>) = 0x7f3949327000 [pid 7044] write(3, "1000", 4 [pid 7043] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7046] rt_sigprocmask(SIG_SETMASK, [], [pid 7044] <... write resumed>) = 4 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7047 [pid 7046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7044] close(3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7047] <... set_robust_list resumed>) = 0 [pid 7045] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7046] memfd_create("syzkaller", 0 [pid 7045] <... mprotect resumed>) = 0 [pid 7044] <... close resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7047] <... prctl resumed>) = 0 [pid 7046] <... memfd_create resumed>) = 3 [pid 7045] rt_sigprocmask(SIG_BLOCK, ~[], executing program [pid 7044] write(1, "executing program\n", 18 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7047] setpgid(0, 0 [pid 7046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7044] <... write resumed>) = 18 [pid 7047] <... setpgid resumed>) = 0 [pid 7045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7048 attached [pid 7048] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 7049 attached [pid 7048] set_robust_list(0x7f39493479a0, 24 [pid 7047] <... openat resumed>) = 3 [pid 7046] <... mmap resumed>) = 0x7f3940e00000 [pid 7045] <... clone3 resumed> => {parent_tid=[7048]}, 88) = 7048 [pid 7044] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] set_robust_list(0x55558704b6a0, 24 [pid 7048] <... set_robust_list resumed>) = 0 [pid 7045] rt_sigprocmask(SIG_SETMASK, [], [pid 7048] rt_sigprocmask(SIG_SETMASK, [], [pid 7045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7047] write(3, "1000", 4 [pid 7045] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] memfd_create("syzkaller", 0 [pid 7047] <... write resumed>) = 4 [pid 7045] <... futex resumed>) = 0 [pid 7045] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 7049] <... set_robust_list resumed>) = 0 [pid 7048] <... memfd_create resumed>) = 3 [pid 7047] close(3 [pid 7046] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7044] <... futex resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7049 [pid 7049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7047] <... close resumed>) = 0 [pid 7044] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7048] <... mmap resumed>) = 0x7f3940e00000 [pid 7047] write(1, "executing program\n", 18 [pid 7044] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7049] <... prctl resumed>) = 0 [pid 7048] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7047] <... write resumed>) = 18 [pid 7044] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7049] setpgid(0, 0 [pid 7044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7049] <... setpgid resumed>) = 0 [pid 7044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7047] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7044] <... mmap resumed>) = 0x7f3949327000 [pid 7047] <... futex resumed>) = 0 [pid 7044] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7047] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7044] <... mprotect resumed>) = 0 [pid 7047] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7047] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7044] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7047] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7046] <... write resumed>) = 1048576 [pid 7044] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7047] <... mprotect resumed>) = 0 [pid 7049] <... openat resumed>) = 3 [pid 7048] <... write resumed>) = 1048576 [pid 7047] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7046] munmap(0x7f3940e00000, 138412032 [pid 7044] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7050 attached [pid 7049] write(3, "1000", 4 [pid 7048] munmap(0x7f3940e00000, 138412032 [pid 7047] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7050] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7049] <... write resumed>) = 4 [pid 7048] <... munmap resumed>) = 0 [pid 7047] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7046] <... munmap resumed>) = 0 [pid 7044] <... clone3 resumed> => {parent_tid=[7050]}, 88) = 7050 [pid 7050] <... rseq resumed>) = 0 [pid 7049] close(3 [pid 7047] <... clone3 resumed> => {parent_tid=[7051]}, 88) = 7051 [pid 7047] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7047] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7048] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7047] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7051 attached [pid 7050] set_robust_list(0x7f39493479a0, 24 [pid 7049] <... close resumed>) = 0 [pid 7048] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7046] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7044] rt_sigprocmask(SIG_SETMASK, [], [pid 7051] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053executing program [pid 7050] <... set_robust_list resumed>) = 0 [pid 7051] <... rseq resumed>) = 0 [pid 7049] write(1, "executing program\n", 18 [pid 7046] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] set_robust_list(0x7f39493479a0, 24 [pid 7050] rt_sigprocmask(SIG_SETMASK, [], [pid 7049] <... write resumed>) = 18 [pid 7046] close(3 [pid 7044] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... set_robust_list resumed>) = 0 [pid 7050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7049] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7044] <... futex resumed>) = 0 [pid 7048] close(3 [pid 7051] rt_sigprocmask(SIG_SETMASK, [], [pid 7050] memfd_create("syzkaller", 0 [pid 7049] <... futex resumed>) = 0 [pid 7048] <... close resumed>) = 0 [pid 7044] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7046] <... close resumed>) = 0 [pid 7049] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7050] <... memfd_create resumed>) = 3 [pid 7050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7049] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7051] memfd_create("syzkaller", 0 [pid 7049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7050] <... mmap resumed>) = 0x7f3940e00000 [pid 7049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7051] <... memfd_create resumed>) = 3 [pid 7049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7048] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7050] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7049] <... mmap resumed>) = 0x7f3949327000 [pid 7046] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] <... futex resumed>) = 1 [pid 7051] <... mmap resumed>) = 0x7f3940e00000 [pid 7050] <... write resumed>) = 1048576 [pid 7049] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7048] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7046] <... futex resumed>) = 1 [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7051] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7050] munmap(0x7f3940e00000, 138412032 [pid 7049] <... mprotect resumed>) = 0 [pid 7046] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7045] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... futex resumed>) = 1 [pid 7043] <... futex resumed>) = 0 [pid 7045] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7051] <... write resumed>) = 1048576 [pid 7050] <... munmap resumed>) = 0 [pid 7049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7048] <... futex resumed>) = 0 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7051] munmap(0x7f3940e00000, 138412032 [pid 7050] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7048] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7046] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000./strace-static-x86_64: Process 7052 attached [pid 7050] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7052] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7051] <... munmap resumed>) = 0 [pid 7048] <... openat resumed>) = 3 [pid 7046] <... openat resumed>) = 3 [pid 7052] <... rseq resumed>) = 0 [pid 7051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7050] close(3 [pid 7049] <... clone3 resumed> => {parent_tid=[7052]}, 88) = 7052 [pid 7048] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] set_robust_list(0x7f39493479a0, 24 [pid 7051] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7049] rt_sigprocmask(SIG_SETMASK, [], [pid 7048] <... futex resumed>) = 1 [pid 7046] <... futex resumed>) = 1 [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7052] <... set_robust_list resumed>) = 0 [pid 7051] close(3 [pid 7049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7048] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7046] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7045] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... futex resumed>) = 0 [pid 7045] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7048] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7052] rt_sigprocmask(SIG_SETMASK, [], [pid 7048] <... mmap resumed>) = 0x200000000000 [pid 7043] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7043] <... futex resumed>) = 1 [pid 7049] <... futex resumed>) = 0 [pid 7046] <... futex resumed>) = 0 [pid 7052] memfd_create("syzkaller", 0 [pid 7049] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7046] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7043] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7052] <... memfd_create resumed>) = 3 [pid 7052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7046] <... mmap resumed>) = 0x200000000000 [pid 7052] <... mmap resumed>) = 0x7f3940e00000 [pid 7048] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] <... futex resumed>) = 1 [pid 7046] <... futex resumed>) = 1 [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7046] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7045] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7043] <... futex resumed>) = 0 [pid 7046] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7043] ???( [pid 7051] <... close resumed>) = 0 [pid 7050] <... close resumed>) = 0 [pid 7048] +++ killed by SIGBUS +++ [pid 7045] +++ killed by SIGBUS +++ [pid 7043] <... ??? resumed>) = ? [pid 7050] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7045, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7050] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7044] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7051] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7046] +++ killed by SIGBUS +++ [pid 7044] <... futex resumed>) = 0 [pid 7043] +++ killed by SIGBUS +++ [pid 7044] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] <... futex resumed>) = 1 [pid 7050] <... openat resumed>) = 3 [pid 7047] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7043, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7051] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7047] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7047] <... futex resumed>) = 0 [pid 7044] <... futex resumed>) = 0 [pid 7051] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7050] <... futex resumed>) = 1 [pid 7047] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7044] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... openat resumed>) = 3 [pid 7050] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7044] <... futex resumed>) = 0 [pid 7051] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7044] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] <... futex resumed>) = 1 [pid 7050] <... mmap resumed>) = 0x200000000000 [pid 7047] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7047] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7051] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7050] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7047] <... futex resumed>) = 0 [pid 7047] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7053 attached [pid 7050] <... futex resumed>) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7051] <... mmap resumed>) = 0x200000000000 [pid 7044] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7044] <... futex resumed>) = 0 [pid 7053] set_robust_list(0x55558704b6a0, 24 [pid 7050] +++ killed by SIGBUS +++ [pid 7053] <... set_robust_list resumed>) = 0 [pid 7051] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7051] <... futex resumed>) = 1 [pid 7047] <... futex resumed>) = 0 [pid 7044] +++ killed by SIGBUS +++ [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7053 [pid 7053] <... prctl resumed>) = 0 [pid 7051] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7047] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7044, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7053] setpgid(0, 0 [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... setpgid resumed>) = 0 [pid 7051] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7052] <... write resumed>) = 1048576 [pid 7047] <... futex resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7053] write(3, "1000", 4 [pid 7051] +++ killed by SIGBUS +++ [pid 7053] <... write resumed>) = 4 [pid 7053] close(3) = 0 ./strace-static-x86_64: Process 7054 attached executing program [pid 7053] write(1, "executing program\n", 18 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7053] <... write resumed>) = 18 [pid 7053] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7053] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7047] +++ killed by SIGBUS +++ [pid 7053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7047, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7052] munmap(0x7f3940e00000, 138412032 [pid 7054] set_robust_list(0x55558704b6a0, 24 [pid 7053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7054 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7055 attached [pid 7054] <... set_robust_list resumed>) = 0 [pid 7053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7052] <... munmap resumed>) = 0 [pid 7055] set_robust_list(0x55558704b6a0, 24 [pid 7054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7053] <... mmap resumed>) = 0x7f3949327000 [pid 7055] <... set_robust_list resumed>) = 0 [pid 7055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7053] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7055 [pid 7055] <... prctl resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7053] <... mprotect resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7055] setpgid(0, 0 [pid 7054] <... prctl resumed>) = 0 [pid 7053] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7055] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7056 attached [pid 7055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7054] setpgid(0, 0 [pid 7053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7054] <... setpgid resumed>) = 0 [pid 7053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7056] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7055] <... openat resumed>) = 3 [pid 7054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7052] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7057 attached [pid 7056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7052] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7056] <... prctl resumed>) = 0 [pid 7055] write(3, "1000", 4 [pid 7054] <... openat resumed>) = 3 [pid 7052] close(3 [pid 7057] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7056] setpgid(0, 0executing program [pid 7055] <... write resumed>) = 4 [pid 7053] <... clone3 resumed> => {parent_tid=[7057]}, 88) = 7057 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7056 [pid 7057] <... rseq resumed>) = 0 [pid 7056] <... setpgid resumed>) = 0 [pid 7055] close(3 [pid 7053] rt_sigprocmask(SIG_SETMASK, [], [pid 7057] set_robust_list(0x7f39493479a0, 24 [pid 7055] <... close resumed>) = 0 [pid 7053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7055] write(1, "executing program\n", 18 [pid 7053] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... write resumed>) = 18 [pid 7053] <... futex resumed>) = 0 [pid 7057] <... set_robust_list resumed>) = 0 [pid 7053] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7055] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] rt_sigprocmask(SIG_SETMASK, [], [pid 7056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7054] write(3, "1000", 4 [pid 7055] <... futex resumed>) = 0 [pid 7052] <... close resumed>) = 0 [pid 7057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7055] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7054] <... write resumed>) = 4 [pid 7052] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... openat resumed>) = 3 [pid 7054] close(3 [pid 7052] <... futex resumed>) = 1 [pid 7049] <... futex resumed>) = 0 [pid 7057] memfd_create("syzkaller", 0 [pid 7054] <... close resumed>) = 0 [pid 7052] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7049] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7056] write(3, "1000", 4executing program [pid 7057] <... memfd_create resumed>) = 3 [pid 7055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7054] write(1, "executing program\n", 18 [pid 7052] <... openat resumed>) = 3 [pid 7049] <... futex resumed>) = 0 [pid 7056] <... write resumed>) = 4 [pid 7055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7054] <... write resumed>) = 18 [pid 7049] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7056] close(3 [pid 7055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7054] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7052] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... close resumed>) = 0 [pid 7055] <... mmap resumed>) = 0x7f3949327000 [pid 7054] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7052] <... futex resumed>) = 1 [pid 7049] <... futex resumed>) = 0 [pid 7054] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7052] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7049] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7057] <... mmap resumed>) = 0x7f3940e00000 [pid 7056] write(1, "executing program\n", 18 [pid 7055] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7049] <... futex resumed>) = 0 [pid 7056] <... write resumed>) = 18 [pid 7055] <... mprotect resumed>) = 0 [pid 7054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7052] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7049] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7056] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7052] <... mmap resumed>) = 0x200000000000 [pid 7054] <... mmap resumed>) = 0x7f3949327000 [pid 7054] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7058 attached [pid 7058] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7054] <... clone3 resumed> => {parent_tid=[7058]}, 88) = 7058 [pid 7052] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... rseq resumed>) = 0 [pid 7054] rt_sigprocmask(SIG_SETMASK, [], [pid 7052] <... futex resumed>) = 1 [pid 7049] <... futex resumed>) = 0 [pid 7058] set_robust_list(0x7f39493479a0, 24 [pid 7054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7052] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7049] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... set_robust_list resumed>) = 0 [pid 7054] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 7058] rt_sigprocmask(SIG_SETMASK, [], [pid 7054] <... futex resumed>) = 0 [pid 7058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7054] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7058] memfd_create("syzkaller", 0) = 3 [pid 7058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7057] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7056] <... futex resumed>) = 0 [pid 7055] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7052] +++ killed by SIGBUS +++ [pid 7049] +++ killed by SIGBUS +++ [pid 7058] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7056] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7049, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7056] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7056] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7055] <... clone3 resumed> => {parent_tid=[7059]}, 88) = 7059 [pid 7056] <... mmap resumed>) = 0x7f3949327000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7055] rt_sigprocmask(SIG_SETMASK, [], [pid 7056] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7059 attached [pid 7056] <... mprotect resumed>) = 0 [pid 7059] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7059] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7059] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7059] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7060 attached [pid 7059] <... futex resumed>) = 0 [pid 7058] <... write resumed>) = 1048576 [pid 7057] <... write resumed>) = 1048576 [pid 7056] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7055] <... futex resumed>) = 1 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7060 [pid 7060] set_robust_list(0x55558704b6a0, 24 [pid 7059] memfd_create("syzkaller", 0 [pid 7058] munmap(0x7f3940e00000, 138412032 [pid 7057] munmap(0x7f3940e00000, 138412032 [pid 7056] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7055] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7060] <... set_robust_list resumed>) = 0 [pid 7059] <... memfd_create resumed>) = 3 [pid 7058] <... munmap resumed>) = 0 [pid 7056] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 ./strace-static-x86_64: Process 7061 attached [pid 7060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7058] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7057] <... munmap resumed>) = 0 [pid 7061] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7058] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7061] <... rseq resumed>) = 0 [pid 7058] close(3 [pid 7056] <... clone3 resumed> => {parent_tid=[7061]}, 88) = 7061 [pid 7061] set_robust_list(0x7f39493479a0, 24 [pid 7060] <... prctl resumed>) = 0 [pid 7059] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7057] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7061] <... set_robust_list resumed>) = 0 [pid 7061] rt_sigprocmask(SIG_SETMASK, [], [pid 7056] rt_sigprocmask(SIG_SETMASK, [], [pid 7061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7061] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7060] setpgid(0, 0 [pid 7056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7056] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = 0 [pid 7061] memfd_create("syzkaller", 0) = 3 [pid 7061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7057] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7060] <... setpgid resumed>) = 0 [pid 7061] <... mmap resumed>) = 0x7f3940e00000 [pid 7056] <... futex resumed>) = 1 [pid 7060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7057] close(3 [pid 7056] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7060] <... openat resumed>) = 3 [pid 7058] <... close resumed>) = 0 [pid 7061] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7060] write(3, "1000", 4 [pid 7059] <... write resumed>) = 1048576 [pid 7058] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... close resumed>) = 0 [pid 7060] <... write resumed>) = 4 [pid 7059] munmap(0x7f3940e00000, 138412032 [pid 7058] <... futex resumed>) = 1 [pid 7054] <... futex resumed>) = 0 [pid 7058] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7054] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = 1 [pid 7058] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7054] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] close(3 [pid 7059] <... munmap resumed>) = 0 [pid 7058] <... openat resumed>) = 3 [pid 7060] <... close resumed>) = 0 [pid 7059] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program [pid 7060] write(1, "executing program\n", 18 [pid 7059] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7060] <... write resumed>) = 18 [pid 7059] close(3 [pid 7061] <... write resumed>) = 1048576 [pid 7060] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] munmap(0x7f3940e00000, 138412032 [pid 7060] <... futex resumed>) = 0 [pid 7060] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7058] <... futex resumed>) = 1 [pid 7054] <... futex resumed>) = 0 [pid 7061] <... munmap resumed>) = 0 [pid 7054] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7061] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7054] <... futex resumed>) = 0 [pid 7054] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7058] <... mmap resumed>) = 0x200000000000 [pid 7057] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] close(3 [pid 7060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7059] <... close resumed>) = 0 [pid 7058] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... futex resumed>) = 1 [pid 7053] <... futex resumed>) = 0 [pid 7060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7058] <... futex resumed>) = 1 [pid 7057] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7059] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7054] <... futex resumed>) = 0 [pid 7053] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] <... mmap resumed>) = 0x7f3949327000 [pid 7057] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7054] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] <... futex resumed>) = 0 [pid 7060] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7059] <... futex resumed>) = 1 [pid 7058] <... futex resumed>) = 0 [pid 7057] <... openat resumed>) = 3 [pid 7055] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = 1 [pid 7053] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... close resumed>) = 0 [pid 7060] <... mprotect resumed>) = 0 [pid 7059] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7058] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7061] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... futex resumed>) = 0 [pid 7055] <... futex resumed>) = 0 [pid 7053] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = 1 [pid 7060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7059] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7057] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7056] <... futex resumed>) = 0 [pid 7055] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] <... futex resumed>) = ? [pid 7053] <... futex resumed>) = 0 [pid 7061] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7059] <... openat resumed>) = 3 [pid 7058] +++ killed by SIGBUS +++ [pid 7057] <... mmap resumed>) = 0x200000000000 [pid 7056] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7062 attached [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7056] <... futex resumed>) = 0 [pid 7062] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7061] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7060] <... clone3 resumed> => {parent_tid=[7062]}, 88) = 7062 [pid 7059] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] +++ killed by SIGBUS +++ [pid 7062] <... rseq resumed>) = 0 [pid 7061] <... openat resumed>) = 3 [pid 7060] rt_sigprocmask(SIG_SETMASK, [], [pid 7059] <... futex resumed>) = 1 [pid 7057] <... futex resumed>) = 1 [pid 7055] <... futex resumed>) = 0 [pid 7053] <... futex resumed>) = 0 [pid 7062] set_robust_list(0x7f39493479a0, 24 [pid 7061] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7059] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7054, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7062] <... set_robust_list resumed>) = 0 [pid 7061] <... futex resumed>) = 1 [pid 7060] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7056] <... futex resumed>) = 0 [pid 7055] <... futex resumed>) = 0 [pid 7053] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7062] rt_sigprocmask(SIG_SETMASK, [], [pid 7061] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7060] <... futex resumed>) = 0 [pid 7059] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7057] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7056] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7060] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7059] <... mmap resumed>) = 0x200000000000 [pid 7056] <... futex resumed>) = 0 [pid 7053] <... futex resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7063 attached [pid 7062] memfd_create("syzkaller", 0 [pid 7061] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7057] +++ killed by SIGBUS +++ [pid 7056] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] +++ killed by SIGBUS +++ [pid 7063] set_robust_list(0x55558704b6a0, 24 [pid 7062] <... memfd_create resumed>) = 3 [pid 7061] <... mmap resumed>) = 0x200000000000 [pid 7059] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7063 [pid 7063] <... set_robust_list resumed>) = 0 [pid 7062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7061] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] <... futex resumed>) = 1 [pid 7055] <... futex resumed>) = 0 [pid 7063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7062] <... mmap resumed>) = 0x7f3940e00000 [pid 7061] <... futex resumed>) = 1 [pid 7059] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7053, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7056] <... futex resumed>) = 0 [pid 7059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7063] <... prctl resumed>) = 0 [pid 7059] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7063] setpgid(0, 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7056] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7056] <... futex resumed>) = 0 [pid 7061] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7055] <... futex resumed>) = ? [pid 7063] <... setpgid resumed>) = 0 [pid 7059] +++ killed by SIGBUS +++ [pid 7063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7056] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7064 attached [pid 7063] <... openat resumed>) = 3 [pid 7064] set_robust_list(0x55558704b6a0, 24 [pid 7063] write(3, "1000", 4 [pid 7062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7056] <... futex resumed>) = ? [pid 7055] +++ killed by SIGBUS +++ [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7064 [pid 7061] +++ killed by SIGBUS +++ [pid 7064] <... set_robust_list resumed>) = 0 [pid 7063] <... write resumed>) = 4 [pid 7056] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7055, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7056, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 7063] close(3 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7063] <... close resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 7064] <... prctl resumed>) = 0 [pid 7063] write(1, "executing program\n", 18 [pid 7064] setpgid(0, 0 [pid 7063] <... write resumed>) = 18 [pid 7064] <... setpgid resumed>) = 0 [pid 7063] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7063] <... futex resumed>) = 0 [pid 7064] <... openat resumed>) = 3 [pid 7063] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7064] write(3, "1000", 4 [pid 7063] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7065 attached [pid 7064] <... write resumed>) = 4 [pid 7063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7064] close(3 [pid 7063] <... mmap resumed>) = 0x7f3949327000 [pid 7064] <... close resumed>) = 0 [pid 7063] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7064] write(1, "executing program\n", 18 [pid 7063] <... mprotect resumed>) = 0 executing program ./strace-static-x86_64: Process 7066 attached [pid 7064] <... write resumed>) = 18 [pid 7063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7064] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7065] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7067 attached [pid 7066] set_robust_list(0x55558704b6a0, 24 [pid 7065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7064] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7066 [pid 7067] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7066] <... set_robust_list resumed>) = 0 [pid 7065] <... prctl resumed>) = 0 [pid 7067] <... rseq resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7065 [pid 7064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7063] <... clone3 resumed> => {parent_tid=[7067]}, 88) = 7067 [pid 7064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7063] rt_sigprocmask(SIG_SETMASK, [], [pid 7067] set_robust_list(0x7f39493479a0, 24 [pid 7066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7065] setpgid(0, 0 [pid 7063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7067] <... set_robust_list resumed>) = 0 [pid 7066] <... prctl resumed>) = 0 [pid 7065] <... setpgid resumed>) = 0 [pid 7064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7063] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] rt_sigprocmask(SIG_SETMASK, [], [pid 7066] setpgid(0, 0 [pid 7065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... write resumed>) = 1048576 [pid 7067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7066] <... setpgid resumed>) = 0 [pid 7064] <... mmap resumed>) = 0x7f3949327000 [pid 7063] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7065] <... openat resumed>) = 3 [pid 7064] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7067] memfd_create("syzkaller", 0 [pid 7064] <... mprotect resumed>) = 0 [pid 7066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7065] write(3, "1000", 4 [pid 7064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7062] munmap(0x7f3940e00000, 138412032 [pid 7067] <... memfd_create resumed>) = 3 [pid 7065] <... write resumed>) = 4 [pid 7067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7065] close(3 [pid 7067] <... mmap resumed>) = 0x7f3940e00000 [pid 7066] <... openat resumed>) = 3 [pid 7065] <... close resumed>) = 0 [pid 7064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7062] <... munmap resumed>) = 0 [pid 7064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}executing program [pid 7065] write(1, "executing program\n", 18) = 18 [pid 7066] write(3, "1000", 4 [pid 7065] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] <... write resumed>) = 4 [pid 7065] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7068 attached [pid 7064] <... clone3 resumed> => {parent_tid=[7068]}, 88) = 7068 [pid 7062] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7068] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7064] rt_sigprocmask(SIG_SETMASK, [], [pid 7068] <... rseq resumed>) = 0 [pid 7064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7068] set_robust_list(0x7f39493479a0, 24 [pid 7064] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7068] <... set_robust_list resumed>) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7068] rt_sigprocmask(SIG_SETMASK, [], [pid 7064] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7062] close(3 [pid 7068] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7066] close(3 [pid 7065] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7066] <... close resumed>) = 0 [pid 7065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7066] write(1, "executing program\n", 18 [pid 7065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7066] <... write resumed>) = 18 [pid 7066] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] memfd_create("syzkaller", 0 [pid 7067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7066] <... futex resumed>) = 0 [pid 7065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7062] <... close resumed>) = 0 [pid 7068] <... memfd_create resumed>) = 3 [pid 7066] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7062] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7065] <... mmap resumed>) = 0x7f3949327000 [pid 7062] <... futex resumed>) = 1 [pid 7060] <... futex resumed>) = 0 [pid 7068] <... mmap resumed>) = 0x7f3940e00000 [pid 7066] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7065] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7062] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7060] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7065] <... mprotect resumed>) = 0 [pid 7062] <... openat resumed>) = 3 [pid 7060] <... futex resumed>) = 0 [pid 7065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7060] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7066] <... mmap resumed>) = 0x7f3949327000 [pid 7062] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7062] <... futex resumed>) = 1 [pid 7060] <... futex resumed>) = 0 [pid 7060] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7069 attached [pid 7065] <... clone3 resumed> => {parent_tid=[7069]}, 88) = 7069 [pid 7060] <... futex resumed>) = 0 [pid 7065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7060] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7069] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7065] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7069] <... rseq resumed>) = 0 [pid 7066] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7069] set_robust_list(0x7f39493479a0, 24 [pid 7062] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7069] <... set_robust_list resumed>) = 0 [pid 7066] <... mprotect resumed>) = 0 [pid 7069] rt_sigprocmask(SIG_SETMASK, [], [pid 7066] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7062] <... mmap resumed>) = 0x200000000000 [pid 7069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7066] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7062] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] <... futex resumed>) = 0 [pid 7069] memfd_create("syzkaller", 0 [pid 7060] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7069] <... memfd_create resumed>) = 3 [pid 7060] <... futex resumed>) = 0 [pid 7060] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7070 attached ) = 0x7f3940e00000 [pid 7066] <... clone3 resumed> => {parent_tid=[7070]}, 88) = 7070 [pid 7062] <... futex resumed>) = 1 [pid 7066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7062] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7066] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... write resumed>) = 1048576 [pid 7066] <... futex resumed>) = 0 [pid 7070] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7066] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7070] <... rseq resumed>) = 0 [pid 7060] <... futex resumed>) = ? [pid 7067] munmap(0x7f3940e00000, 138412032 [pid 7062] +++ killed by SIGBUS +++ [pid 7060] +++ killed by SIGBUS +++ [pid 7070] set_robust_list(0x7f39493479a0, 24) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7060, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7070] rt_sigprocmask(SIG_SETMASK, [], [pid 7069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7068] <... write resumed>) = 1048576 [pid 7067] <... munmap resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7070] memfd_create("syzkaller", 0 [pid 7067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5827] <... restart_syscall resumed>) = 0 [pid 7070] <... memfd_create resumed>) = 3 [pid 7070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7067] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7070] <... mmap resumed>) = 0x7f3940e00000 [pid 7067] close(3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7068] munmap(0x7f3940e00000, 138412032 [pid 7070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7069] <... write resumed>) = 1048576 [pid 7068] <... munmap resumed>) = 0 [pid 7067] <... close resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7070] <... write resumed>) = 1048576 [pid 7069] munmap(0x7f3940e00000, 138412032 [pid 7068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7067] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7071 attached [pid 7068] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7067] <... futex resumed>) = 1 [pid 7063] <... futex resumed>) = 0 [pid 7068] close(3 [pid 7067] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7063] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... munmap resumed>) = 0 [pid 7071] set_robust_list(0x55558704b6a0, 24 [pid 7070] munmap(0x7f3940e00000, 138412032 [pid 7069] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7067] <... openat resumed>) = 3 [pid 7063] <... futex resumed>) = 0 [pid 7067] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7067] <... futex resumed>) = 0 [pid 7063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7067] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7063] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7063] <... futex resumed>) = 0 [pid 7071] <... set_robust_list resumed>) = 0 [pid 7067] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7063] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7070] <... munmap resumed>) = 0 [pid 7067] <... mmap resumed>) = 0x200000000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7071 [pid 7067] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7070] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7069] close(3 [pid 7068] <... close resumed>) = 0 [pid 7071] <... prctl resumed>) = 0 [pid 7067] <... futex resumed>) = 1 [pid 7063] <... futex resumed>) = 0 [pid 7071] setpgid(0, 0 [pid 7070] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7068] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... setpgid resumed>) = 0 [pid 7067] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7063] <... futex resumed>) = 0 [pid 7071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7070] close(3 [pid 7068] <... futex resumed>) = 1 [pid 7064] <... futex resumed>) = 0 [pid 7068] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7067] +++ killed by SIGBUS +++ [pid 7064] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] +++ killed by SIGBUS +++ [pid 7071] <... openat resumed>) = 3 [pid 7068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] <... futex resumed>) = 0 [pid 7064] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7071] write(3, "1000", 4 [pid 7070] <... close resumed>) = 0 [pid 7069] <... close resumed>) = 0 [pid 7068] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7063, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7071] <... write resumed>) = 4 [pid 7070] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7071] close(3 [pid 7070] <... futex resumed>) = 1 [pid 7069] <... futex resumed>) = 1 [pid 7068] <... openat resumed>) = 3 [pid 7066] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7071] <... close resumed>) = 0 [pid 7070] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7069] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7068] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] write(1, "executing program\n", 18 [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7068] <... futex resumed>) = 1 [pid 7066] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 0 [pid 7071] <... write resumed>) = 18 [pid 7070] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7069] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7068] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7065] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7071] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] <... openat resumed>) = 3 [pid 7069] <... openat resumed>) = 3 [pid 7068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7071] <... futex resumed>) = 0 [pid 7070] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7071] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7070] <... futex resumed>) = 0 [pid 7069] <... futex resumed>) = 1 [pid 7066] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] <... futex resumed>) = 0 [pid 7064] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7070] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7069] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7068] <... mmap resumed>) = 0x200000000000 [pid 7066] <... futex resumed>) = 0 [pid 7065] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7070] <... mmap resumed>) = 0x200000000000 [pid 7068] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] <... futex resumed>) = 0 [pid 7071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7070] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... futex resumed>) = 1 [pid 7065] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7072 attached [pid 7071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7070] <... futex resumed>) = 0 [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7068] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7066] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7072 [pid 7072] set_robust_list(0x55558704b6a0, 24 [pid 7071] <... mmap resumed>) = 0x7f3949327000 [pid 7070] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] <... set_robust_list resumed>) = 0 [pid 7071] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7071] <... mprotect resumed>) = 0 [pid 7068] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7069] <... mmap resumed>) = 0x200000000000 [pid 7066] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... futex resumed>) = ? [pid 7072] <... prctl resumed>) = 0 [pid 7071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7069] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] +++ killed by SIGBUS +++ [pid 7066] <... futex resumed>) = 1 [pid 7072] setpgid(0, 0 [pid 7071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7069] <... futex resumed>) = 1 [pid 7066] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] <... futex resumed>) = 0 [pid 7070] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7073 attached [pid 7072] <... setpgid resumed>) = 0 [pid 7069] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7064] +++ killed by SIGBUS +++ [pid 7073] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7071] <... clone3 resumed> => {parent_tid=[7073]}, 88) = 7073 [pid 7070] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7065] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... rseq resumed>) = 0 [pid 7072] <... openat resumed>) = 3 [pid 7071] rt_sigprocmask(SIG_SETMASK, [], [pid 7069] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7066] <... futex resumed>) = ? [pid 7065] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7064, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7073] set_robust_list(0x7f39493479a0, 24 [pid 7071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7070] +++ killed by SIGBUS +++ [pid 7066] +++ killed by SIGBUS +++ [pid 7065] ???( [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7073] <... set_robust_list resumed>) = 0 [pid 7072] write(3, "1000", 4 [pid 7071] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] rt_sigprocmask(SIG_SETMASK, [], [pid 7072] <... write resumed>) = 4 [pid 7071] <... futex resumed>) = 0 [pid 7065] <... ??? resumed>) = ? [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7066, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7072] close(3 [pid 7071] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7069] +++ killed by SIGBUS +++ [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7072] <... close resumed>) = 0 [pid 7072] write(1, "executing program\n", 18) = 18 [pid 7072] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7072] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 ./strace-static-x86_64: Process 7074 attached [pid 7073] memfd_create("syzkaller", 0 [pid 7072] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7065] +++ killed by SIGBUS +++ [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7073] <... memfd_create resumed>) = 3 [pid 7074] set_robust_list(0x55558704b6a0, 24 [pid 7072] <... mprotect resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7074 [pid 7073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7065, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7074] <... set_robust_list resumed>) = 0 [pid 7073] <... mmap resumed>) = 0x7f3940e00000 [pid 7074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7072] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7074] <... prctl resumed>) = 0 [pid 7074] setpgid(0, 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7074] <... setpgid resumed>) = 0 [pid 7072] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7075 attached [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7074] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7076 attached [pid 7075] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7072] <... clone3 resumed> => {parent_tid=[7075]}, 88) = 7075 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7076] set_robust_list(0x55558704b6a0, 24 [pid 7075] <... rseq resumed>) = 0 [pid 7074] write(3, "1000", 4 [pid 7072] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7076 ./strace-static-x86_64: Process 7077 attached [pid 7076] <... set_robust_list resumed>) = 0 [pid 7075] set_robust_list(0x7f39493479a0, 24 [pid 7074] <... write resumed>) = 4 [pid 7072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7075] <... set_robust_list resumed>) = 0 [pid 7074] close(3 [pid 7072] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] <... prctl resumed>) = 0 [pid 7074] <... close resumed>) = 0 [pid 7077] set_robust_list(0x55558704b6a0, 24 [pid 7072] <... futex resumed>) = 0 [pid 7077] <... set_robust_list resumed>) = 0 [pid 7076] setpgid(0, 0 [pid 7075] rt_sigprocmask(SIG_SETMASK, [], [pid 7074] write(1, "executing program\n", 18executing program [pid 7073] <... write resumed>) = 1048576 [pid 7072] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7077 [pid 7077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7076] <... setpgid resumed>) = 0 [pid 7075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] <... write resumed>) = 18 [pid 7075] memfd_create("syzkaller", 0 [pid 7074] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] munmap(0x7f3940e00000, 138412032 [pid 7077] <... prctl resumed>) = 0 [pid 7076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7075] <... memfd_create resumed>) = 3 [pid 7074] <... futex resumed>) = 0 [pid 7075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7074] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7075] <... mmap resumed>) = 0x7f3940e00000 [pid 7073] <... munmap resumed>) = 0 [pid 7077] setpgid(0, 0 [pid 7076] <... openat resumed>) = 3 [pid 7074] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7074] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7077] <... setpgid resumed>) = 0 [pid 7076] write(3, "1000", 4 [pid 7077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7076] <... write resumed>) = 4 [pid 7077] <... openat resumed>) = 3 [pid 7076] close(3 [pid 7073] openat(AT_FDCWD, "/dev/loop1", O_RDWR executing program [pid 7076] <... close resumed>) = 0 [pid 7073] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7076] write(1, "executing program\n", 18 [pid 7077] write(3, "1000", 4 [pid 7076] <... write resumed>) = 18 [pid 7073] close(3 [pid 7076] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7077] <... write resumed>) = 4 [pid 7074] <... mmap resumed>) = 0x7f3949327000 [pid 7074] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7077] close(3 [pid 7076] <... futex resumed>) = 0 [pid 7074] <... mprotect resumed>) = 0 [pid 7077] <... close resumed>) = 0 [pid 7076] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7077] write(1, "executing program\n", 18 [pid 7076] <... rt_sigaction resumed>NULL, 8) = 0 executing program [pid 7074] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7077] <... write resumed>) = 18 [pid 7076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7077] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7077] <... futex resumed>) = 0 [pid 7076] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7077] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7076] <... mprotect resumed>) = 0 [pid 7077] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7076] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7076] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7074] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7078 attached [pid 7077] <... mmap resumed>) = 0x7f3949327000 [pid 7078] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7074] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7077] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7078] <... rseq resumed>) = 0 [pid 7077] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7079 attached [pid 7078] set_robust_list(0x7f39493479a0, 24 [pid 7077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7076] <... clone3 resumed> => {parent_tid=[7078]}, 88) = 7078 [pid 7075] <... write resumed>) = 1048576 [pid 7079] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7074] <... clone3 resumed> => {parent_tid=[7079]}, 88) = 7079 [pid 7073] <... close resumed>) = 0 [pid 7079] <... rseq resumed>) = 0 [pid 7078] <... set_robust_list resumed>) = 0 [pid 7077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7076] rt_sigprocmask(SIG_SETMASK, [], [pid 7075] munmap(0x7f3940e00000, 138412032 [pid 7074] rt_sigprocmask(SIG_SETMASK, [], [pid 7073] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7080 attached [pid 7079] set_robust_list(0x7f39493479a0, 24 [pid 7078] rt_sigprocmask(SIG_SETMASK, [], [pid 7076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7073] <... futex resumed>) = 1 [pid 7071] <... futex resumed>) = 0 [pid 7078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7077] <... clone3 resumed> => {parent_tid=[7080]}, 88) = 7080 [pid 7076] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7071] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] memfd_create("syzkaller", 0 [pid 7077] rt_sigprocmask(SIG_SETMASK, [], [pid 7076] <... futex resumed>) = 0 [pid 7074] <... futex resumed>) = 0 [pid 7073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7071] <... futex resumed>) = 0 [pid 7080] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7078] <... memfd_create resumed>) = 3 [pid 7077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7079] <... set_robust_list resumed>) = 0 [pid 7076] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7074] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7080] <... rseq resumed>) = 0 [pid 7079] rt_sigprocmask(SIG_SETMASK, [], [pid 7078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7077] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... munmap resumed>) = 0 [pid 7073] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7071] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] set_robust_list(0x7f39493479a0, 24 [pid 7079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7078] <... mmap resumed>) = 0x7f3940e00000 [pid 7077] <... futex resumed>) = 0 [pid 7075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7073] <... openat resumed>) = 3 [pid 7080] <... set_robust_list resumed>) = 0 [pid 7077] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7073] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] rt_sigprocmask(SIG_SETMASK, [], [pid 7073] <... futex resumed>) = 1 [pid 7071] <... futex resumed>) = 0 [pid 7073] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7071] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7071] <... futex resumed>) = 0 [pid 7073] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7071] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7073] <... mmap resumed>) = 0x200000000000 [pid 7073] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7079] memfd_create("syzkaller", 0 [pid 7078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7075] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7080] memfd_create("syzkaller", 0 [pid 7079] <... memfd_create resumed>) = 3 [pid 7075] close(3 [pid 7073] <... futex resumed>) = 1 [pid 7071] <... futex resumed>) = 0 [pid 7073] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7071] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7071] <... futex resumed>) = 0 [pid 7073] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7073] +++ killed by SIGBUS +++ [pid 7071] +++ killed by SIGBUS +++ [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7071, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7080] <... memfd_create resumed>) = 3 [pid 7079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7078] <... write resumed>) = 1048576 [pid 7075] <... close resumed>) = 0 [pid 7080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7079] <... mmap resumed>) = 0x7f3940e00000 [pid 7078] munmap(0x7f3940e00000, 138412032 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7075] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7072] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7081 attached [pid 7080] <... mmap resumed>) = 0x7f3940e00000 [pid 7075] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7072] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] set_robust_list(0x55558704b6a0, 24 [pid 7078] <... munmap resumed>) = 0 [pid 7075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7072] <... futex resumed>) = 0 [pid 7081] <... set_robust_list resumed>) = 0 [pid 7075] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7072] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7075] <... openat resumed>) = 3 [pid 7081] <... prctl resumed>) = 0 [pid 7081] setpgid(0, 0) = 0 [pid 7075] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7075] <... futex resumed>) = 1 [pid 7072] <... futex resumed>) = 0 [pid 7072] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7072] <... futex resumed>) = 0 [pid 7072] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] <... mmap resumed>) = 0x200000000000 [pid 7081] <... openat resumed>) = 3 [pid 7079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7075] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] <... futex resumed>) = 0 [pid 7072] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... futex resumed>) = 1 [pid 7072] <... futex resumed>) = 0 [pid 7081] write(3, "1000", 4 [pid 7072] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] <... write resumed>) = 4 [pid 7075] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7081] close(3) = 0 executing program [pid 7081] write(1, "executing program\n", 18 [pid 7072] <... futex resumed>) = ? [pid 7081] <... write resumed>) = 18 [pid 7080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7075] +++ killed by SIGBUS +++ [pid 7072] +++ killed by SIGBUS +++ [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7081 [pid 7081] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7072, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7081] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7081] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7078] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7081] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7081] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7080] <... write resumed>) = 1048576 [pid 7079] <... write resumed>) = 1048576 [pid 7078] close(3 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7080] munmap(0x7f3940e00000, 138412032 [pid 7079] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 7082 attached [pid 7080] <... munmap resumed>) = 0 [pid 7078] <... close resumed>) = 0 [pid 7079] <... munmap resumed>) = 0 [pid 7080] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7079] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7082] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7081] <... clone3 resumed> => {parent_tid=[7082]}, 88) = 7082 [pid 7080] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7079] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7078] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7082] <... rseq resumed>) = 0 [pid 7081] rt_sigprocmask(SIG_SETMASK, [], [pid 7080] close(3 [pid 7079] close(3 [pid 7078] <... futex resumed>) = 1 [pid 7076] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7082] set_robust_list(0x7f39493479a0, 24 [pid 7081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7078] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7076] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7082] <... set_robust_list resumed>) = 0 [pid 7081] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] <... openat resumed>) = 3 [pid 7076] <... futex resumed>) = 0 [pid 7082] rt_sigprocmask(SIG_SETMASK, [], [pid 7076] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7081] <... futex resumed>) = 0 [pid 7081] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7078] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] memfd_create("syzkaller", 0 [pid 7078] <... futex resumed>) = 1 [pid 7076] <... futex resumed>) = 0 [pid 7078] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7076] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] <... mmap resumed>) = 0x200000000000 [pid 7076] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7083 attached [pid 7082] <... memfd_create resumed>) = 3 [pid 7076] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7083] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7083 [pid 7082] <... mmap resumed>) = 0x7f3940e00000 [pid 7078] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... prctl resumed>) = 0 [pid 7082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7080] <... close resumed>) = 0 [pid 7079] <... close resumed>) = 0 [pid 7078] <... futex resumed>) = 1 [pid 7076] <... futex resumed>) = 0 [pid 7083] setpgid(0, 0 [pid 7080] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... setpgid resumed>) = 0 [pid 7080] <... futex resumed>) = 1 [pid 7074] <... futex resumed>) = 0 [pid 7083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7077] <... futex resumed>) = 0 [pid 7074] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] <... futex resumed>) = 1 [pid 7074] <... futex resumed>) = 0 [pid 7074] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7079] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7077] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... openat resumed>) = 3 [pid 7079] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] write(3, "1000", 4 [pid 7079] <... futex resumed>) = 1 [pid 7074] <... futex resumed>) = 0 [pid 7083] <... write resumed>) = 4 [pid 7079] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7074] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] close(3 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7074] <... futex resumed>) = 0 [pid 7083] <... close resumed>) = 0 [pid 7079] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7083] write(1, "executing program\n", 18 executing program [pid 7074] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7083] <... write resumed>) = 18 [pid 7080] <... futex resumed>) = 0 [pid 7079] <... mmap resumed>) = 0x200000000000 [pid 7078] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7077] <... futex resumed>) = 1 [pid 7076] write(1229035008, "", 0 [pid 7083] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7079] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7083] <... futex resumed>) = 0 [pid 7080] <... openat resumed>) = 3 [pid 7079] <... futex resumed>) = 1 [pid 7074] <... futex resumed>) = 0 [pid 7083] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7080] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7074] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7080] <... futex resumed>) = 1 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7074] <... futex resumed>) = 0 [pid 7083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7080] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7074] ???( [pid 7083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7077] <... futex resumed>) = 0 [pid 7074] <... ??? resumed>) = ? [pid 7083] <... mmap resumed>) = 0x7f3949327000 [pid 7079] +++ killed by SIGBUS +++ [pid 7077] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7080] <... futex resumed>) = 0 [pid 7077] <... futex resumed>) = 1 [pid 7083] <... mprotect resumed>) = 0 [pid 7080] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7078] +++ killed by SIGBUS +++ [pid 7077] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] +++ killed by SIGBUS +++ [pid 7074] +++ killed by SIGBUS +++ [pid 7083] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7076, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7074, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7080] <... mmap resumed>) = 0x200000000000 [pid 7083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7080] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7084 attached [pid 7082] <... write resumed>) = 1048576 [pid 7080] <... futex resumed>) = 1 [pid 7077] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7084] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7083] <... clone3 resumed> => {parent_tid=[7084]}, 88) = 7084 [pid 7082] munmap(0x7f3940e00000, 138412032 [pid 7080] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... rseq resumed>) = 0 [pid 7083] rt_sigprocmask(SIG_SETMASK, [], [pid 7082] <... munmap resumed>) = 0 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] <... futex resumed>) = 0 [pid 7084] set_robust_list(0x7f39493479a0, 24 [pid 7083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7084] <... set_robust_list resumed>) = 0 [pid 7083] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7077] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7084] rt_sigprocmask(SIG_SETMASK, [], [pid 7083] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7082] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7077] <... futex resumed>) = ? [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7083] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7082] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7084] memfd_create("syzkaller", 0 [pid 7082] close(3 [pid 7084] <... memfd_create resumed>) = 3 [pid 7082] <... close resumed>) = 0 [pid 7080] +++ killed by SIGBUS +++ [pid 7077] +++ killed by SIGBUS +++ [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7077, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7082] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7086 attached ./strace-static-x86_64: Process 7085 attached [pid 7084] <... mmap resumed>) = 0x7f3940e00000 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7086] set_robust_list(0x55558704b6a0, 24 [pid 7085] set_robust_list(0x55558704b6a0, 24 [pid 7084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7082] <... futex resumed>) = 1 [pid 7081] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7086 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7085 [pid 7085] <... set_robust_list resumed>) = 0 [pid 7086] <... set_robust_list resumed>) = 0 [pid 7085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7085] <... prctl resumed>) = 0 [pid 7086] <... prctl resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7086] setpgid(0, 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7086] <... setpgid resumed>) = 0 [pid 7085] setpgid(0, 0 [pid 7082] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7081] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7087 attached [pid 7086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7085] <... setpgid resumed>) = 0 [pid 7086] <... openat resumed>) = 3 [pid 7082] <... openat resumed>) = 3 [pid 7081] <... futex resumed>) = 0 [pid 7085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7082] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] set_robust_list(0x55558704b6a0, 24 [pid 7082] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... set_robust_list resumed>) = 0 [pid 7082] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7081] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] <... futex resumed>) = 0 [pid 7082] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7081] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7086] write(3, "1000", 4 [pid 7085] <... openat resumed>) = 3 [pid 7084] <... write resumed>) = 1048576 [pid 7082] <... mmap resumed>) = 0x200000000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7087 [pid 7087] <... prctl resumed>) = 0 [pid 7086] <... write resumed>) = 4 [pid 7085] write(3, "1000", 4 [pid 7084] munmap(0x7f3940e00000, 138412032 [pid 7082] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] setpgid(0, 0executing program [pid 7086] close(3 [pid 7085] <... write resumed>) = 4 [pid 7084] <... munmap resumed>) = 0 [pid 7081] <... futex resumed>) = 0 [pid 7082] <... futex resumed>) = 1 [pid 7087] <... setpgid resumed>) = 0 [pid 7086] <... close resumed>) = 0 [pid 7085] close(3 [pid 7081] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7081] <... futex resumed>) = 0 [pid 7086] write(1, "executing program\n", 18 [pid 7081] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7086] <... write resumed>) = 18 [pid 7086] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... close resumed>) = 0 [pid 7084] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 7081] <... futex resumed>) = ? [pid 7087] <... openat resumed>) = 3 [pid 7086] <... futex resumed>) = 0 [pid 7085] write(1, "executing program\n", 18 [pid 7084] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7087] write(3, "1000", 4 [pid 7086] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7085] <... write resumed>) = 18 [pid 7087] <... write resumed>) = 4 [pid 7087] close(3 [pid 7086] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7084] close(3 [pid 7087] <... close resumed>) = 0 executing program [pid 7086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7085] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] +++ killed by SIGBUS +++ [pid 7081] +++ killed by SIGBUS +++ [pid 7087] write(1, "executing program\n", 18 [pid 7086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7085] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7081, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7087] <... write resumed>) = 18 [pid 7086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7085] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7087] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7086] <... mmap resumed>) = 0x7f3949327000 [pid 7085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7087] <... futex resumed>) = 0 [pid 7085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7087] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7086] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7087] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7086] <... mprotect resumed>) = 0 [pid 7085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7087] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7085] <... mmap resumed>) = 0x7f3949327000 [pid 7084] <... close resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7086] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7085] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7087] <... mmap resumed>) = 0x7f3949327000 [pid 7086] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7085] <... mprotect resumed>) = 0 [pid 7084] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7084] <... futex resumed>) = 1 [pid 7083] <... futex resumed>) = 0 [pid 7086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7084] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7083] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7088 attached [pid 7087] <... mprotect resumed>) = 0 [pid 7085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7083] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7088] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7087] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7086] <... clone3 resumed> => {parent_tid=[7088]}, 88) = 7088 [pid 7085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7084] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7083] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7088] <... rseq resumed>) = 0 [pid 7087] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7089 attached [pid 7088] set_robust_list(0x7f39493479a0, 24 [pid 7087] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7086] rt_sigprocmask(SIG_SETMASK, [], [pid 7084] <... openat resumed>) = 3 [pid 7089] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7088] <... set_robust_list resumed>) = 0 [pid 7086] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7090 attached ./strace-static-x86_64: Process 7091 attached [pid 7088] rt_sigprocmask(SIG_SETMASK, [], [pid 7085] <... clone3 resumed> => {parent_tid=[7089]}, 88) = 7089 [pid 7087] <... clone3 resumed> => {parent_tid=[7090]}, 88) = 7090 [pid 7091] set_robust_list(0x55558704b6a0, 24 [pid 7090] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7085] rt_sigprocmask(SIG_SETMASK, [], [pid 7087] rt_sigprocmask(SIG_SETMASK, [], [pid 7091] <... set_robust_list resumed>) = 0 [pid 7090] <... rseq resumed>) = 0 [pid 7088] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7091 [pid 7091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7090] set_robust_list(0x7f39493479a0, 24 [pid 7089] <... rseq resumed>) = 0 [pid 7087] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7086] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] set_robust_list(0x7f39493479a0, 24 [pid 7086] <... futex resumed>) = 1 [pid 7084] <... futex resumed>) = 1 [pid 7083] <... futex resumed>) = 0 [pid 7089] <... set_robust_list resumed>) = 0 [pid 7086] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7084] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7083] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] <... prctl resumed>) = 0 [pid 7090] <... set_robust_list resumed>) = 0 [pid 7089] rt_sigprocmask(SIG_SETMASK, [], [pid 7088] <... futex resumed>) = 0 [pid 7087] <... futex resumed>) = 0 [pid 7085] <... futex resumed>) = 0 [pid 7084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7083] <... futex resumed>) = 0 [pid 7091] setpgid(0, 0 [pid 7090] rt_sigprocmask(SIG_SETMASK, [], [pid 7089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7085] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7084] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7083] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7091] <... setpgid resumed>) = 0 [pid 7090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7089] memfd_create("syzkaller", 0 [pid 7088] memfd_create("syzkaller", 0 [pid 7087] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7084] <... mmap resumed>) = 0x200000000000 [pid 7090] memfd_create("syzkaller", 0 [pid 7089] <... memfd_create resumed>) = 3 [pid 7091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7090] <... memfd_create resumed>) = 3 [pid 7089] <... mmap resumed>) = 0x7f3940e00000 [pid 7091] <... openat resumed>) = 3 [pid 7090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7088] <... memfd_create resumed>) = 3 [pid 7084] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7084] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7090] <... mmap resumed>) = 0x7f3940e00000 [pid 7088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7083] <... futex resumed>) = 0 [pid 7091] write(3, "1000", 4 [pid 7090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7088] <... mmap resumed>) = 0x7f3940e00000 [pid 7083] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] <... write resumed>) = 4 [pid 7089] <... write resumed>) = 1048576 [pid 7084] <... futex resumed>) = 0 [pid 7083] <... futex resumed>) = 1 [pid 7091] close(3 [pid 7084] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7083] close(3 [pid 7091] <... close resumed>) = 0 executing program [pid 7091] write(1, "executing program\n", 18 [pid 7089] munmap(0x7f3940e00000, 138412032 [pid 7084] +++ killed by SIGBUS +++ [pid 7083] +++ killed by SIGBUS +++ [pid 7091] <... write resumed>) = 18 [pid 7089] <... munmap resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7083, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7091] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7091] <... futex resumed>) = 0 [pid 7091] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7089] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7089] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7091] <... mmap resumed>) = 0x7f3949327000 [pid 7091] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7089] close(3 [pid 7091] <... mprotect resumed>) = 0 [pid 7090] <... write resumed>) = 1048576 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7090] munmap(0x7f3940e00000, 138412032 [pid 7088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7090] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7093 attached ./strace-static-x86_64: Process 7092 attached [pid 7090] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7091] <... clone3 resumed> => {parent_tid=[7092]}, 88) = 7092 [pid 7092] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7093] set_robust_list(0x55558704b6a0, 24 [pid 7092] <... rseq resumed>) = 0 [pid 7091] rt_sigprocmask(SIG_SETMASK, [], [pid 7090] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7092] set_robust_list(0x7f39493479a0, 24 [pid 7091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7090] close(3 [pid 7092] <... set_robust_list resumed>) = 0 [pid 7091] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] rt_sigprocmask(SIG_SETMASK, [], [pid 7091] <... futex resumed>) = 0 [pid 7092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7091] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7093] <... set_robust_list resumed>) = 0 [pid 7092] memfd_create("syzkaller", 0 [pid 7093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7093 [pid 7093] <... prctl resumed>) = 0 [pid 7093] setpgid(0, 0) = 0 [pid 7093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7093] write(3, "1000", 4) = 4 [pid 7093] close(3) = 0 executing program [pid 7093] write(1, "executing program\n", 18 [pid 7092] <... memfd_create resumed>) = 3 [pid 7090] <... close resumed>) = 0 [pid 7089] <... close resumed>) = 0 [pid 7088] <... write resumed>) = 1048576 [pid 7093] <... write resumed>) = 18 [pid 7092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7090] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] <... futex resumed>) = 0 [pid 7090] <... futex resumed>) = 1 [pid 7087] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] <... mmap resumed>) = 0x7f3940e00000 [pid 7090] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7089] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] munmap(0x7f3940e00000, 138412032 [pid 7087] <... futex resumed>) = 0 [pid 7093] <... futex resumed>) = 0 [pid 7090] <... openat resumed>) = 3 [pid 7089] <... futex resumed>) = 1 [pid 7088] <... munmap resumed>) = 0 [pid 7087] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7085] <... futex resumed>) = 0 [pid 7093] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7090] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7085] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] <... futex resumed>) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7085] <... futex resumed>) = 0 [pid 7090] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7090] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7087] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7090] <... mmap resumed>) = 0x200000000000 [pid 7089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7088] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7090] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7088] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7090] <... futex resumed>) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7090] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7090] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7089] <... openat resumed>) = 3 [pid 7088] close(3 [pid 7087] close(3 [pid 7093] <... mmap resumed>) = 0x7f3949327000 [pid 7092] <... write resumed>) = 1048576 [pid 7089] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] munmap(0x7f3940e00000, 138412032 [pid 7093] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7093] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7092] <... munmap resumed>) = 0 [pid 7089] <... futex resumed>) = 1 [pid 7085] <... futex resumed>) = 0 [pid 7089] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7093] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7094 attached [pid 7092] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7090] +++ killed by SIGBUS +++ [pid 7087] +++ killed by SIGBUS +++ [pid 7085] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7093] <... clone3 resumed> => {parent_tid=[7094]}, 88) = 7094 [pid 7085] <... futex resumed>) = 1 [pid 7094] <... rseq resumed>) = 0 [pid 7093] rt_sigprocmask(SIG_SETMASK, [], [pid 7092] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7089] <... futex resumed>) = 0 [pid 7085] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7087, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7094] set_robust_list(0x7f39493479a0, 24 [pid 7093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7092] close(3 [pid 7089] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7094] <... set_robust_list resumed>) = 0 [pid 7093] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] <... mmap resumed>) = 0x200000000000 [pid 7088] <... close resumed>) = 0 [pid 7093] <... futex resumed>) = 0 [pid 7089] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7089] <... futex resumed>) = 1 [pid 7089] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] <... restart_syscall resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7094] rt_sigprocmask(SIG_SETMASK, [], [pid 7092] <... close resumed>) = 0 [pid 7085] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7095 attached [pid 7094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7092] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] memfd_create("syzkaller", 0 [pid 7088] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] set_robust_list(0x55558704b6a0, 24 [pid 7094] <... memfd_create resumed>) = 3 [pid 7092] <... futex resumed>) = 1 [pid 7091] <... futex resumed>) = 0 [pid 7089] <... futex resumed>) = 0 [pid 7088] <... futex resumed>) = 1 [pid 7086] <... futex resumed>) = 0 [pid 7085] <... futex resumed>) = 1 [pid 7095] <... set_robust_list resumed>) = 0 [pid 7094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7092] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7091] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7088] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7086] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7095 [pid 7095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7094] <... mmap resumed>) = 0x7f3940e00000 [pid 7092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7091] <... futex resumed>) = 0 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7086] <... futex resumed>) = 0 [pid 7095] <... prctl resumed>) = 0 [pid 7092] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7091] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7089] +++ killed by SIGBUS +++ [pid 7088] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7086] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7085] +++ killed by SIGBUS +++ [pid 7095] setpgid(0, 0 [pid 7092] <... openat resumed>) = 3 [pid 7088] <... openat resumed>) = 3 [pid 7095] <... setpgid resumed>) = 0 [pid 7092] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7086] <... futex resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7085, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7092] <... futex resumed>) = 1 [pid 7091] <... futex resumed>) = 0 [pid 7088] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7086] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7091] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7086] <... futex resumed>) = 0 [pid 7095] <... openat resumed>) = 3 [pid 7092] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7091] <... futex resumed>) = 0 [pid 7088] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7091] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7092] <... mmap resumed>) = 0x200000000000 [pid 7088] <... mmap resumed>) = 0x200000000000 [pid 7086] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] write(3, "1000", 4 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7088] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7086] <... futex resumed>) = 0 [pid 7086] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7086] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... futex resumed>) = 1 executing program ./strace-static-x86_64: Process 7096 attached [pid 7094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7088] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7095] <... write resumed>) = 4 [pid 7092] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7096 [pid 7095] close(3 [pid 7092] <... futex resumed>) = 1 [pid 7091] <... futex resumed>) = 0 [pid 7095] <... close resumed>) = 0 [pid 7091] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] write(1, "executing program\n", 18 [pid 7091] <... futex resumed>) = 0 [pid 7095] <... write resumed>) = 18 [pid 7091] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7086] <... futex resumed>) = ? [pid 7088] +++ killed by SIGBUS +++ [pid 7086] +++ killed by SIGBUS +++ [pid 7096] set_robust_list(0x55558704b6a0, 24 [pid 7095] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7096] <... set_robust_list resumed>) = 0 [pid 7095] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7086, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7095] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7091] <... futex resumed>) = ? [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] <... restart_syscall resumed>) = 0 [pid 7096] <... prctl resumed>) = 0 [pid 7095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7094] <... write resumed>) = 1048576 [pid 7092] +++ killed by SIGBUS +++ [pid 7091] +++ killed by SIGBUS +++ [pid 7096] setpgid(0, 0 [pid 7095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7094] munmap(0x7f3940e00000, 138412032 [pid 7096] <... setpgid resumed>) = 0 [pid 7095] <... mmap resumed>) = 0x7f3949327000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7091, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7095] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7095] <... mprotect resumed>) = 0 [pid 7094] <... munmap resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7094] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 7097 attached [pid 7096] <... openat resumed>) = 3 [pid 7095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7096] write(3, "1000", 4 [pid 7095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7094] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7098 attached [pid 7096] <... write resumed>) = 4 [pid 7098] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7097] set_robust_list(0x55558704b6a0, 24 [pid 7096] close(3 [pid 7095] <... clone3 resumed> => {parent_tid=[7098]}, 88) = 7098 [pid 7094] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7097 executing program ./strace-static-x86_64: Process 7099 attached [pid 7098] <... rseq resumed>) = 0 [pid 7097] <... set_robust_list resumed>) = 0 [pid 7096] <... close resumed>) = 0 [pid 7095] rt_sigprocmask(SIG_SETMASK, [], [pid 7096] write(1, "executing program\n", 18 [pid 7095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7095] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] <... write resumed>) = 18 [pid 7099] set_robust_list(0x55558704b6a0, 24 [pid 7095] <... futex resumed>) = 0 [pid 7096] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7096] <... futex resumed>) = 0 [pid 7099] <... set_robust_list resumed>) = 0 [pid 7096] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7098] set_robust_list(0x7f39493479a0, 24 [pid 7097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7094] <... close resumed>) = 0 [pid 7099] <... prctl resumed>) = 0 [pid 7098] <... set_robust_list resumed>) = 0 [pid 7097] <... prctl resumed>) = 0 [pid 7096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7099 [pid 7099] setpgid(0, 0 [pid 7098] rt_sigprocmask(SIG_SETMASK, [], [pid 7097] setpgid(0, 0 [pid 7096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7094] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] <... setpgid resumed>) = 0 [pid 7098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7097] <... setpgid resumed>) = 0 [pid 7096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7096] <... mmap resumed>) = 0x7f3949327000 [pid 7097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7094] <... futex resumed>) = 1 [pid 7096] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7099] <... openat resumed>) = 3 [pid 7098] memfd_create("syzkaller", 0 [pid 7096] <... mprotect resumed>) = 0 [pid 7094] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7093] <... futex resumed>) = 0 [pid 7096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7097] <... openat resumed>) = 3 [pid 7099] write(3, "1000", 4 [pid 7097] write(3, "1000", 4 [pid 7096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7099] <... write resumed>) = 4 [pid 7097] <... write resumed>) = 4 [pid 7096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7093] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] close(3 [pid 7098] <... memfd_create resumed>) = 3 [pid 7097] close(3./strace-static-x86_64: Process 7100 attached [pid 7099] <... close resumed>) = 0 [pid 7094] <... futex resumed>) = 0 [pid 7093] <... futex resumed>) = 1 [pid 7097] <... close resumed>) = 0 [pid 7099] write(1, "executing program\n", 18 [pid 7096] <... clone3 resumed> => {parent_tid=[7100]}, 88) = 7100 [pid 7094] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7093] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] write(1, "executing program\n", 18executing program executing program [pid 7100] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7097] <... write resumed>) = 18 [pid 7100] <... rseq resumed>) = 0 [pid 7100] set_robust_list(0x7f39493479a0, 24 [pid 7099] <... write resumed>) = 18 [pid 7098] <... mmap resumed>) = 0x7f3940e00000 [pid 7097] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] rt_sigprocmask(SIG_SETMASK, [], [pid 7094] <... openat resumed>) = 3 [pid 7100] <... set_robust_list resumed>) = 0 [pid 7099] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... futex resumed>) = 0 [pid 7096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7096] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] rt_sigprocmask(SIG_SETMASK, [], [pid 7099] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7097] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7096] <... futex resumed>) = 0 [pid 7094] <... futex resumed>) = 1 [pid 7093] <... futex resumed>) = 0 [pid 7100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7097] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7096] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7094] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7093] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7100] memfd_create("syzkaller", 0 [pid 7099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7094] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7093] <... futex resumed>) = 0 [pid 7099] <... mmap resumed>) = 0x7f3949327000 [pid 7097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7094] <... mmap resumed>) = 0x200000000000 [pid 7093] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... mmap resumed>) = 0x7f3949327000 [pid 7097] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7100] <... memfd_create resumed>) = 3 [pid 7099] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7097] <... mprotect resumed>) = 0 [pid 7099] <... mprotect resumed>) = 0 [pid 7094] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7094] <... futex resumed>) = 1 [pid 7093] <... futex resumed>) = 0 [pid 7100] <... mmap resumed>) = 0x7f3940e00000 [pid 7099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7094] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7093] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7093] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7101 attached [pid 7097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7093] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7102 attached [pid 7101] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7099] <... clone3 resumed> => {parent_tid=[7101]}, 88) = 7101 [pid 7094] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7101] <... rseq resumed>) = 0 [pid 7099] rt_sigprocmask(SIG_SETMASK, [], [pid 7101] set_robust_list(0x7f39493479a0, 24 [pid 7099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7101] <... set_robust_list resumed>) = 0 [pid 7099] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] rt_sigprocmask(SIG_SETMASK, [], [pid 7099] <... futex resumed>) = 0 [pid 7101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7101] memfd_create("syzkaller", 0 [pid 7099] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7101] <... memfd_create resumed>) = 3 [pid 7102] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7093] <... futex resumed>) = ? [pid 7102] <... rseq resumed>) = 0 [pid 7101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7097] <... clone3 resumed> => {parent_tid=[7102]}, 88) = 7102 [pid 7094] +++ killed by SIGBUS +++ [pid 7093] +++ killed by SIGBUS +++ [pid 7102] set_robust_list(0x7f39493479a0, 24 [pid 7097] rt_sigprocmask(SIG_SETMASK, [], [pid 7102] <... set_robust_list resumed>) = 0 [pid 7097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7093, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7102] rt_sigprocmask(SIG_SETMASK, [], [pid 7097] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7097] <... futex resumed>) = 0 [pid 7101] <... mmap resumed>) = 0x7f3940e00000 [pid 7102] memfd_create("syzkaller", 0 [pid 7097] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7102] <... memfd_create resumed>) = 3 [pid 7098] <... write resumed>) = 1048576 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7103 attached [pid 7102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7098] munmap(0x7f3940e00000, 138412032 [pid 7103] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7102] <... mmap resumed>) = 0x7f3940e00000 [pid 7101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7100] <... write resumed>) = 1048576 [pid 7098] <... munmap resumed>) = 0 [pid 7103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7100] munmap(0x7f3940e00000, 138412032 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7103 [pid 7103] <... prctl resumed>) = 0 [pid 7100] <... munmap resumed>) = 0 [pid 7103] setpgid(0, 0) = 0 [pid 7103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7101] <... write resumed>) = 1048576 [pid 7100] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7098] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7101] munmap(0x7f3940e00000, 138412032 [pid 7098] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7103] write(3, "1000", 4 [pid 7101] <... munmap resumed>) = 0 [pid 7100] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7098] close(3 [pid 7103] <... write resumed>) = 4 [pid 7103] close(3 [pid 7100] close(3 [pid 7103] <... close resumed>) = 0 executing program [pid 7101] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7098] <... close resumed>) = 0 [pid 7100] <... close resumed>) = 0 [pid 7103] write(1, "executing program\n", 18) = 18 [pid 7101] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7100] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7098] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] close(3 [pid 7100] <... futex resumed>) = 1 [pid 7098] <... futex resumed>) = 1 [pid 7095] <... futex resumed>) = 0 [pid 7103] <... futex resumed>) = 0 [pid 7095] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7096] <... futex resumed>) = 0 [pid 7095] <... futex resumed>) = 0 [pid 7103] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7096] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7096] <... futex resumed>) = 0 [pid 7103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7096] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7102] <... write resumed>) = 1048576 [pid 7103] <... mmap resumed>) = 0x7f3949327000 [pid 7103] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7101] <... close resumed>) = 0 [pid 7100] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7100] <... openat resumed>) = 3 [pid 7098] <... openat resumed>) = 3 [pid 7101] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7098] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7100] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] <... futex resumed>) = 1 [pid 7096] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... futex resumed>) = 0 [pid 7101] <... futex resumed>) = 1 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7098] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7095] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7100] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7096] <... futex resumed>) = 0 [pid 7095] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7104 attached [pid 7104] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7103] <... clone3 resumed> => {parent_tid=[7104]}, 88) = 7104 [pid 7100] <... mmap resumed>) = 0x200000000000 [pid 7099] <... futex resumed>) = 0 [pid 7098] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7096] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7104] <... rseq resumed>) = 0 [pid 7103] rt_sigprocmask(SIG_SETMASK, [], [pid 7102] munmap(0x7f3940e00000, 138412032 [pid 7100] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7098] <... mmap resumed>) = 0x200000000000 [pid 7096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] set_robust_list(0x7f39493479a0, 24 [pid 7103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7101] <... futex resumed>) = 0 [pid 7100] <... futex resumed>) = 0 [pid 7099] <... futex resumed>) = 1 [pid 7098] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] <... set_robust_list resumed>) = 0 [pid 7103] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] <... munmap resumed>) = 0 [pid 7101] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7100] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7099] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7098] <... futex resumed>) = 1 [pid 7096] <... futex resumed>) = 1 [pid 7095] <... futex resumed>) = 0 [pid 7104] rt_sigprocmask(SIG_SETMASK, [], [pid 7103] <... futex resumed>) = 0 [pid 7101] <... openat resumed>) = 3 [pid 7098] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7095] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7103] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7102] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7101] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7095] <... futex resumed>) = 0 [pid 7104] memfd_create("syzkaller", 0 [pid 7102] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7099] <... futex resumed>) = 0 [pid 7104] <... memfd_create resumed>) = 3 [pid 7101] <... futex resumed>) = 1 [pid 7100] +++ killed by SIGBUS +++ [pid 7099] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7098] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7096] +++ killed by SIGBUS +++ [pid 7095] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7102] close(3 [pid 7101] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7099] <... futex resumed>) = 0 [pid 7104] <... mmap resumed>) = 0x7f3940e00000 [pid 7095] <... futex resumed>) = ? [pid 7104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7101] <... mmap resumed>) = 0x200000000000 [pid 7099] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7098] +++ killed by SIGBUS +++ [pid 7095] +++ killed by SIGBUS +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7096, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7101] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7099] <... futex resumed>) = 0 [pid 7101] <... futex resumed>) = 1 [pid 7099] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7101] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7099] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7095, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7102] <... close resumed>) = 0 [pid 7101] +++ killed by SIGBUS +++ [pid 7099] +++ killed by SIGBUS +++ [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7105 ./strace-static-x86_64: Process 7105 attached [pid 7104] <... write resumed>) = 1048576 [pid 7102] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7105] set_robust_list(0x55558704b6a0, 24 [pid 7104] munmap(0x7f3940e00000, 138412032 [pid 7102] <... futex resumed>) = 1 [pid 7097] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7099, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7105] <... set_robust_list resumed>) = 0 [pid 7104] <... munmap resumed>) = 0 [pid 7105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7102] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7097] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7106 attached [pid 7105] <... prctl resumed>) = 0 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7097] <... futex resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7105] setpgid(0, 0 [pid 7104] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7102] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7097] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7105] <... setpgid resumed>) = 0 [pid 7102] <... openat resumed>) = 3 [pid 7106] <... prctl resumed>) = 0 [pid 7106] setpgid(0, 0 [pid 7105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7104] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7106] <... setpgid resumed>) = 0 [pid 7104] close(3 [pid 7102] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR executing program [pid 7106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7105] <... openat resumed>) = 3 [pid 7104] <... close resumed>) = 0 [pid 7102] <... futex resumed>) = 1 [pid 7097] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7106 [pid 7102] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7097] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7102] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7097] <... futex resumed>) = 0 [pid 7105] write(3, "1000", 4) = 4 [pid 7105] close(3) = 0 [pid 7105] write(1, "executing program\n", 18 [pid 7102] <... mmap resumed>) = 0x200000000000 [pid 7097] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] <... openat resumed>) = 3 [pid 7105] <... write resumed>) = 18 [pid 7105] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7105] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7106] write(3, "1000", 4 [pid 7102] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... write resumed>) = 4 [pid 7105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7102] <... futex resumed>) = 1 [pid 7097] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7106] close(3 [pid 7102] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7097] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7097] <... futex resumed>) = 0 [pid 7106] <... close resumed>) = 0 [pid 7097] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program ./strace-static-x86_64: Process 7107 attached [pid 7102] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7106] write(1, "executing program\n", 18 [pid 7105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7104] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] set_robust_list(0x55558704b6a0, 24 [pid 7106] <... write resumed>) = 18 [pid 7105] <... mmap resumed>) = 0x7f3949327000 [pid 7104] <... futex resumed>) = 1 [pid 7103] <... futex resumed>) = 0 [pid 7097] <... futex resumed>) = ? [pid 7106] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7104] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7107] <... set_robust_list resumed>) = 0 [pid 7103] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7107 [pid 7105] <... mprotect resumed>) = 0 [pid 7104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7103] <... futex resumed>) = 0 [pid 7105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7104] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7103] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7104] <... openat resumed>) = 3 [pid 7105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7102] +++ killed by SIGBUS +++ [pid 7097] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 7108 attached [pid 7107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7106] <... futex resumed>) = 0 [pid 7104] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7097, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7108] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7106] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7105] <... clone3 resumed> => {parent_tid=[7108]}, 88) = 7108 [pid 7104] <... futex resumed>) = 1 [pid 7103] <... futex resumed>) = 0 [pid 7107] <... prctl resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7108] <... rseq resumed>) = 0 [pid 7106] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7105] rt_sigprocmask(SIG_SETMASK, [], [pid 7104] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7107] setpgid(0, 0 [pid 7103] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] set_robust_list(0x7f39493479a0, 24 [pid 7107] <... setpgid resumed>) = 0 [pid 7106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7104] <... mmap resumed>) = 0x200000000000 [pid 7103] <... futex resumed>) = 0 [pid 7108] <... set_robust_list resumed>) = 0 [pid 7105] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] rt_sigprocmask(SIG_SETMASK, [], [pid 7107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7105] <... futex resumed>) = 0 [pid 7108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7105] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7104] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7104] <... futex resumed>) = 1 [pid 7103] <... futex resumed>) = 0 [pid 7108] memfd_create("syzkaller", 0 [pid 7106] <... mmap resumed>) = 0x7f3949327000 [pid 7104] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7103] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7103] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7106] <... mprotect resumed>) = 0 [pid 7104] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7103] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... memfd_create resumed>) = 3 [pid 7107] <... openat resumed>) = 3 [pid 7108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7107] write(3, "1000", 4 [pid 7106] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7103] <... futex resumed>) = ? [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7108] <... mmap resumed>) = 0x7f3940e00000 [pid 7107] <... write resumed>) = 4 [pid 7106] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7104] +++ killed by SIGBUS +++ [pid 7103] +++ killed by SIGBUS +++ [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7107] close(3 [pid 7106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7103, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 7110 attached ./strace-static-x86_64: Process 7109 attached [pid 7107] <... close resumed>) = 0 [pid 7110] set_robust_list(0x55558704b6a0, 24 [pid 7109] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7107] write(1, "executing program\n", 18 [pid 7106] <... clone3 resumed> => {parent_tid=[7109]}, 88) = 7109 executing program [pid 7109] <... rseq resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7110] <... set_robust_list resumed>) = 0 [pid 7109] set_robust_list(0x7f39493479a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7110 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7109] <... set_robust_list resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7109] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7111 attached [pid 7110] <... prctl resumed>) = 0 [pid 7109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7107] <... write resumed>) = 18 [pid 7109] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7107] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] setpgid(0, 0 [pid 7106] rt_sigprocmask(SIG_SETMASK, [], [pid 7110] <... setpgid resumed>) = 0 [pid 7106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7111] set_robust_list(0x55558704b6a0, 24 [pid 7107] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7111] <... set_robust_list resumed>) = 0 [pid 7106] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7109] <... futex resumed>) = 0 [pid 7107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7106] <... futex resumed>) = 1 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7111 [pid 7111] <... prctl resumed>) = 0 [pid 7109] memfd_create("syzkaller", 0 [pid 7107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7106] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7111] setpgid(0, 0 [pid 7107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7111] <... setpgid resumed>) = 0 [pid 7110] <... openat resumed>) = 3 [pid 7109] <... memfd_create resumed>) = 3 [pid 7107] <... mmap resumed>) = 0x7f3949327000 [pid 7109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7107] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7109] <... mmap resumed>) = 0x7f3940e00000 [pid 7111] <... openat resumed>) = 3 [pid 7107] <... mprotect resumed>) = 0 executing program [pid 7110] write(3, "1000", 4) = 4 [pid 7110] close(3) = 0 [pid 7110] write(1, "executing program\n", 18) = 18 [pid 7107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7110] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] write(3, "1000", 4 [pid 7110] <... futex resumed>) = 0 [pid 7107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7111] <... write resumed>) = 4 [pid 7108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7111] close(3 [pid 7110] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 7112 attached NULL, 8) = 0 [pid 7110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7112] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7107] <... clone3 resumed> => {parent_tid=[7112]}, 88) = 7112 [pid 7112] <... rseq resumed>) = 0 [pid 7111] <... close resumed>) = 0 [pid 7110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7110] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7112] set_robust_list(0x7f39493479a0, 24executing program [pid 7111] write(1, "executing program\n", 18 [pid 7110] <... mprotect resumed>) = 0 [pid 7107] rt_sigprocmask(SIG_SETMASK, [], [pid 7111] <... write resumed>) = 18 [pid 7107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7112] <... set_robust_list resumed>) = 0 [pid 7111] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] rt_sigprocmask(SIG_SETMASK, [], [pid 7110] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7107] <... futex resumed>) = 0 [pid 7112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7111] <... futex resumed>) = 0 [pid 7107] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7111] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7112] memfd_create("syzkaller", 0 [pid 7111] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7110] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7113 attached [pid 7112] <... memfd_create resumed>) = 3 [pid 7111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7110] <... clone3 resumed> => {parent_tid=[7113]}, 88) = 7113 [pid 7112] <... mmap resumed>) = 0x7f3940e00000 [pid 7111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7110] rt_sigprocmask(SIG_SETMASK, [], [pid 7113] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7108] <... write resumed>) = 1048576 [pid 7113] <... rseq resumed>) = 0 [pid 7111] <... mmap resumed>) = 0x7f3949327000 [pid 7113] set_robust_list(0x7f39493479a0, 24 [pid 7111] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7108] munmap(0x7f3940e00000, 138412032 [pid 7113] <... set_robust_list resumed>) = 0 [pid 7113] rt_sigprocmask(SIG_SETMASK, [], [pid 7111] <... mprotect resumed>) = 0 [pid 7108] <... munmap resumed>) = 0 [pid 7113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7113] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7110] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7110] <... futex resumed>) = 0 [pid 7108] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7110] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7113] memfd_create("syzkaller", 0) = 3 [pid 7111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7108] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7114 attached ) = 0x7f3940e00000 [pid 7108] close(3 [pid 7112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7111] <... clone3 resumed> => {parent_tid=[7114]}, 88) = 7114 [pid 7114] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7109] <... write resumed>) = 1048576 [pid 7114] <... rseq resumed>) = 0 [pid 7114] set_robust_list(0x7f39493479a0, 24 [pid 7111] rt_sigprocmask(SIG_SETMASK, [], [pid 7109] munmap(0x7f3940e00000, 138412032 [pid 7114] <... set_robust_list resumed>) = 0 [pid 7111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7111] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7111] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7114] rt_sigprocmask(SIG_SETMASK, [], [pid 7109] <... munmap resumed>) = 0 [pid 7108] <... close resumed>) = 0 [pid 7114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7109] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7108] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] memfd_create("syzkaller", 0 [pid 7109] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7114] <... memfd_create resumed>) = 3 [pid 7108] <... futex resumed>) = 1 [pid 7114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7108] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7109] close(3 [pid 7105] <... futex resumed>) = 0 [pid 7114] <... mmap resumed>) = 0x7f3940e00000 [pid 7113] <... write resumed>) = 1048576 [pid 7109] <... close resumed>) = 0 [pid 7105] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] munmap(0x7f3940e00000, 138412032) = 0 [pid 7113] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7113] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7112] <... write resumed>) = 1048576 [pid 7109] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = 0 [pid 7105] <... futex resumed>) = 1 [pid 7113] close(3 [pid 7112] munmap(0x7f3940e00000, 138412032 [pid 7109] <... futex resumed>) = 1 [pid 7108] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7106] <... futex resumed>) = 0 [pid 7105] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... openat resumed>) = 3 [pid 7106] <... futex resumed>) = 0 [pid 7106] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7112] <... munmap resumed>) = 0 [pid 7109] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7108] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... openat resumed>) = 3 [pid 7108] <... futex resumed>) = 1 [pid 7105] <... futex resumed>) = 0 [pid 7112] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7109] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7105] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7109] <... futex resumed>) = 1 [pid 7108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7106] <... futex resumed>) = 0 [pid 7105] <... futex resumed>) = 0 [pid 7113] <... close resumed>) = 0 [pid 7112] close(3 [pid 7109] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7108] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7106] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7108] <... mmap resumed>) = 0x200000000000 [pid 7106] <... futex resumed>) = 0 [pid 7109] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7108] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7113] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... mmap resumed>) = 0x200000000000 [pid 7108] <... futex resumed>) = 1 [pid 7105] <... futex resumed>) = 0 [pid 7113] <... futex resumed>) = 1 [pid 7110] <... futex resumed>) = 0 [pid 7109] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7110] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... futex resumed>) = 1 [pid 7108] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7106] <... futex resumed>) = 0 [pid 7105] <... futex resumed>) = 0 [pid 7113] <... openat resumed>) = 3 [pid 7110] <... futex resumed>) = 0 [pid 7109] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7106] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] <... write resumed>) = 1048576 [pid 7113] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] <... futex resumed>) = ? [pid 7114] munmap(0x7f3940e00000, 138412032 [pid 7113] <... futex resumed>) = 0 [pid 7110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7109] +++ killed by SIGBUS +++ [pid 7108] +++ killed by SIGBUS +++ [pid 7106] +++ killed by SIGBUS +++ [pid 7105] +++ killed by SIGBUS +++ [pid 7113] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7106, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7114] <... munmap resumed>) = 0 [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7110] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7105, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7113] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7113] <... mmap resumed>) = 0x200000000000 [pid 7113] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7112] <... close resumed>) = 0 [pid 7110] <... futex resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7113] <... futex resumed>) = 0 [pid 7114] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7113] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7112] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7114] close(3 [pid 7112] <... futex resumed>) = 1 [pid 7110] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7113] <... futex resumed>) = 0 [pid 7112] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] <... futex resumed>) = 1 [pid 7107] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7110] ???( [pid 7107] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7107] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7110] <... ??? resumed>) = ? ./strace-static-x86_64: Process 7115 attached [pid 7112] <... openat resumed>) = 3 [pid 7112] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7112] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7115] set_robust_list(0x55558704b6a0, 24 [pid 7114] <... close resumed>) = 0 [pid 7113] +++ killed by SIGBUS +++ [pid 7110] +++ killed by SIGBUS +++ [pid 7107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7115] <... set_robust_list resumed>) = 0 [pid 7107] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7115 [pid 7107] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7116 attached [pid 7115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7112] <... futex resumed>) = 0 [pid 7107] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7110, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7116 [pid 7116] set_robust_list(0x55558704b6a0, 24 [pid 7115] <... prctl resumed>) = 0 [pid 7112] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7116] <... set_robust_list resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7115] setpgid(0, 0 [pid 7112] <... mmap resumed>) = 0x200000000000 [pid 7116] <... prctl resumed>) = 0 [pid 7115] <... setpgid resumed>) = 0 [pid 7114] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] setpgid(0, 0 [pid 7115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7112] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... setpgid resumed>) = 0 [pid 7115] <... openat resumed>) = 3 [pid 7114] <... futex resumed>) = 1 [pid 7112] <... futex resumed>) = 1 [pid 7111] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7115] write(3, "1000", 4 [pid 7114] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7112] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7116] <... openat resumed>) = 3 [pid 7115] <... write resumed>) = 4 [pid 7114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7115] close(3 [pid 7111] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7117 attached [pid 7116] write(3, "1000", 4 [pid 7115] <... close resumed>) = 0 [pid 7114] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7112] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7116] <... write resumed>) = 4 executing program [pid 7115] write(1, "executing program\n", 18 [pid 7114] <... openat resumed>) = 3 [pid 7117] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7116] close(3 [pid 7115] <... write resumed>) = 18 [pid 7116] <... close resumed>) = 0 [pid 7117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7114] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] <... futex resumed>) = ? [pid 7117] <... prctl resumed>) = 0 [pid 7115] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] setpgid(0, 0 [pid 7116] write(1, "executing program\n", 18 [pid 7115] <... futex resumed>) = 0 executing program [pid 7112] +++ killed by SIGBUS +++ [pid 7107] +++ killed by SIGBUS +++ [pid 7117] <... setpgid resumed>) = 0 [pid 7115] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7116] <... write resumed>) = 18 [pid 7115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7114] <... futex resumed>) = 1 [pid 7111] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7117 [pid 7117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7116] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7114] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7107, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7116] <... futex resumed>) = 0 [pid 7115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] <... futex resumed>) = 0 [pid 7115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7114] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7111] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7117] <... openat resumed>) = 3 [pid 7116] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7115] <... mmap resumed>) = 0x7f3949327000 [pid 7114] <... mmap resumed>) = 0x200000000000 [pid 7116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7115] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7117] write(3, "1000", 4) = 4 [pid 7116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7115] <... mprotect resumed>) = 0 [pid 7116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7114] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] close(3 [pid 7116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7114] <... futex resumed>) = 1 [pid 7111] <... futex resumed>) = 0 [pid 7116] <... mmap resumed>) = 0x7f3949327000 [pid 7114] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... close resumed>) = 0 [pid 7116] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] <... futex resumed>) = 0 executing program [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7117] write(1, "executing program\n", 18 [pid 7116] <... mprotect resumed>) = 0 [pid 7115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7114] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7111] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] <... write resumed>) = 18 [pid 7116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7117] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7111] <... futex resumed>) = ? [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7118 attached [pid 7117] <... futex resumed>) = 0 [pid 7118] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7117] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7118] <... rseq resumed>) = 0 [pid 7117] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7118] set_robust_list(0x7f39493479a0, 24 [pid 7117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7118] <... set_robust_list resumed>) = 0 [pid 7117] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7119 attached ./strace-static-x86_64: Process 7120 attached [pid 7117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7118] rt_sigprocmask(SIG_SETMASK, [], [pid 7116] <... clone3 resumed> => {parent_tid=[7118]}, 88) = 7118 [pid 7119] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7116] rt_sigprocmask(SIG_SETMASK, [], [pid 7115] <... clone3 resumed> => {parent_tid=[7119]}, 88) = 7119 [pid 7120] set_robust_list(0x55558704b6a0, 24 [pid 7118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7117] <... mmap resumed>) = 0x7f3949327000 [pid 7120] <... set_robust_list resumed>) = 0 [pid 7118] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7117] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7114] +++ killed by SIGBUS +++ [pid 7111] +++ killed by SIGBUS +++ [pid 7116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7115] rt_sigprocmask(SIG_SETMASK, [], [pid 7120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7117] <... mprotect resumed>) = 0 [pid 7116] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7119] <... rseq resumed>) = 0 [pid 7118] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 1 [pid 7115] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] set_robust_list(0x7f39493479a0, 24 [pid 7117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7116] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7115] <... futex resumed>) = 0 [pid 7119] <... set_robust_list resumed>) = 0 [pid 7118] memfd_create("syzkaller", 0 [pid 7117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7115] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7120] <... prctl resumed>) = 0 [pid 7119] rt_sigprocmask(SIG_SETMASK, [], [pid 7118] <... memfd_create resumed>) = 3 [pid 7117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7111, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7120 [pid 7120] setpgid(0, 0 [pid 7119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7119] memfd_create("syzkaller", 0./strace-static-x86_64: Process 7121 attached [pid 7120] <... setpgid resumed>) = 0 [pid 7119] <... memfd_create resumed>) = 3 [pid 7118] <... mmap resumed>) = 0x7f3940e00000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7121] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7117] <... clone3 resumed> => {parent_tid=[7121]}, 88) = 7121 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7121] <... rseq resumed>) = 0 [pid 7117] rt_sigprocmask(SIG_SETMASK, [], [pid 7121] set_robust_list(0x7f39493479a0, 24 [pid 7117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7121] <... set_robust_list resumed>) = 0 [pid 7121] rt_sigprocmask(SIG_SETMASK, [], [pid 7117] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7117] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7121] memfd_create("syzkaller", 0 [pid 7117] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7120] <... openat resumed>) = 3 [pid 7121] <... memfd_create resumed>) = 3 [pid 7120] write(3, "1000", 4 [pid 7119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7120] <... write resumed>) = 4 [pid 7121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7120] close(3 [pid 7119] <... write resumed>) = 1048576 [pid 7121] <... mmap resumed>) = 0x7f3940e00000 [pid 7120] <... close resumed>) = 0 executing program [pid 7120] write(1, "executing program\n", 18) = 18 ./strace-static-x86_64: Process 7122 attached [pid 7120] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7120] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7120] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7122] set_robust_list(0x55558704b6a0, 24 [pid 7120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7122] <... set_robust_list resumed>) = 0 [pid 7120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7120] <... mmap resumed>) = 0x7f3949327000 [pid 7120] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7122] <... prctl resumed>) = 0 [pid 7120] <... mprotect resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7122 [pid 7122] setpgid(0, 0) = 0 [pid 7120] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7118] <... write resumed>) = 1048576 [pid 7122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7120] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7122] <... openat resumed>) = 3 [pid 7120] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7123 attached [pid 7123] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7120] <... clone3 resumed> => {parent_tid=[7123]}, 88) = 7123 [pid 7123] <... rseq resumed>) = 0 [pid 7122] write(3, "1000", 4 [pid 7120] rt_sigprocmask(SIG_SETMASK, [], [pid 7123] set_robust_list(0x7f39493479a0, 24 [pid 7122] <... write resumed>) = 4 [pid 7120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7123] <... set_robust_list resumed>) = 0 [pid 7122] close(3 [pid 7120] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] rt_sigprocmask(SIG_SETMASK, [], [pid 7122] <... close resumed>) = 0 [pid 7120] <... futex resumed>) = 0 executing program [pid 7123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7122] write(1, "executing program\n", 18 [pid 7120] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7123] memfd_create("syzkaller", 0 [pid 7122] <... write resumed>) = 18 [pid 7122] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7123] <... memfd_create resumed>) = 3 [pid 7122] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7123] <... mmap resumed>) = 0x7f3940e00000 [pid 7122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7122] <... mmap resumed>) = 0x7f3949327000 [pid 7119] munmap(0x7f3940e00000, 138412032 [pid 7118] munmap(0x7f3940e00000, 138412032 [pid 7119] <... munmap resumed>) = 0 [pid 7118] <... munmap resumed>) = 0 [pid 7122] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7119] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7118] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7122] <... mprotect resumed>) = 0 [pid 7122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7119] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7118] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7119] close(3 [pid 7118] close(3 [pid 7123] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7119] <... close resumed>) = 0 [pid 7118] <... close resumed>) = 0 ./strace-static-x86_64: Process 7124 attached [pid 7123] <... write resumed>) = 1048576 [pid 7121] <... write resumed>) = 1048576 [pid 7119] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7122] <... clone3 resumed> => {parent_tid=[7124]}, 88) = 7124 [pid 7119] <... futex resumed>) = 1 [pid 7118] <... futex resumed>) = 1 [pid 7115] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 0 [pid 7123] munmap(0x7f3940e00000, 138412032 [pid 7121] munmap(0x7f3940e00000, 138412032 [pid 7124] <... rseq resumed>) = 0 [pid 7122] rt_sigprocmask(SIG_SETMASK, [], [pid 7119] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7116] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] set_robust_list(0x7f39493479a0, 24 [pid 7122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7116] <... futex resumed>) = 0 [pid 7115] <... futex resumed>) = 0 [pid 7124] <... set_robust_list resumed>) = 0 [pid 7122] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7118] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7116] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7115] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] rt_sigprocmask(SIG_SETMASK, [], [pid 7122] <... futex resumed>) = 0 [pid 7124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7122] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7119] <... openat resumed>) = 3 [pid 7124] memfd_create("syzkaller", 0 [pid 7118] <... openat resumed>) = 3 [pid 7124] <... memfd_create resumed>) = 3 [pid 7124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7123] <... munmap resumed>) = 0 [pid 7121] <... munmap resumed>) = 0 [pid 7119] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = 1 [pid 7118] <... futex resumed>) = 1 [pid 7115] <... futex resumed>) = 0 [pid 7124] <... mmap resumed>) = 0x7f3940e00000 [pid 7123] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7121] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7119] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7116] <... futex resumed>) = 0 [pid 7115] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7116] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... futex resumed>) = 0 [pid 7123] close(3 [pid 7121] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7119] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7118] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7116] <... futex resumed>) = 0 [pid 7115] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... mmap resumed>) = 0x200000000000 [pid 7118] <... mmap resumed>) = 0x200000000000 [pid 7116] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... futex resumed>) = 0 [pid 7115] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7115] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... futex resumed>) = 1 [pid 7119] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7118] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... futex resumed>) = ? [pid 7118] <... futex resumed>) = 1 [pid 7116] <... futex resumed>) = 0 [pid 7116] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7121] close(3 [pid 7119] +++ killed by SIGBUS +++ [pid 7118] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7116] <... futex resumed>) = 0 [pid 7115] +++ killed by SIGBUS +++ [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7115, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7123] <... close resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7118] +++ killed by SIGBUS +++ [pid 7116] +++ killed by SIGBUS +++ [pid 7123] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7123] <... futex resumed>) = 1 [pid 7120] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7116, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7123] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7120] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... close resumed>) = 0 [pid 7120] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7125 attached [pid 7123] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7120] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7125 [pid 7125] set_robust_list(0x55558704b6a0, 24 [pid 7123] <... openat resumed>) = 3 [pid 7121] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... set_robust_list resumed>) = 0 [pid 7123] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] <... futex resumed>) = 1 [pid 7117] <... futex resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7123] <... futex resumed>) = 1 [pid 7121] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7120] <... futex resumed>) = 0 [pid 7117] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7123] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7120] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... futex resumed>) = 0 [pid 7125] <... prctl resumed>) = 0 [pid 7123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7120] <... futex resumed>) = 0 [pid 7117] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] setpgid(0, 0 [pid 7123] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7121] <... openat resumed>) = 3 [pid 7120] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7125] <... setpgid resumed>) = 0 [pid 7123] <... mmap resumed>) = 0x200000000000 [pid 7121] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7123] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] <... futex resumed>) = 0 [pid 7117] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7123] <... futex resumed>) = 1 [pid 7121] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7120] <... futex resumed>) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7121] <... mmap resumed>) = 0x200000000000 [pid 7120] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7123] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7125] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7126 attached [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7126 [pid 7126] set_robust_list(0x55558704b6a0, 24 [pid 7125] write(3, "1000", 4 [pid 7121] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] <... futex resumed>) = ? [pid 7126] <... set_robust_list resumed>) = 0 [pid 7125] <... write resumed>) = 4 [pid 7121] <... futex resumed>) = 1 [pid 7117] <... futex resumed>) = 0 [pid 7126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7121] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7117] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7117] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] close(3 [pid 7123] +++ killed by SIGBUS +++ [pid 7121] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7120] +++ killed by SIGBUS +++ [pid 7126] <... prctl resumed>) = 0 [pid 7126] setpgid(0, 0 [pid 7125] <... close resumed>) = 0 [pid 7117] <... futex resumed>) = ? [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7120, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- executing program [pid 7126] <... setpgid resumed>) = 0 [pid 7125] write(1, "executing program\n", 18 [pid 7124] <... write resumed>) = 1048576 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7125] <... write resumed>) = 18 [pid 7125] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7124] munmap(0x7f3940e00000, 138412032 [pid 7125] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7124] <... munmap resumed>) = 0 [pid 7125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7126] <... openat resumed>) = 3 [pid 7126] write(3, "1000", 4 [pid 7125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7126] <... write resumed>) = 4 [pid 7125] <... mmap resumed>) = 0x7f3949327000 [pid 7126] close(3 [pid 7125] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7126] <... close resumed>) = 0 [pid 7125] <... mprotect resumed>) = 0 [pid 7124] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 7126] write(1, "executing program\n", 18 [pid 7121] +++ killed by SIGBUS +++ [pid 7117] +++ killed by SIGBUS +++ [pid 7125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7126] <... write resumed>) = 18 [pid 7125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7124] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7126] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7117, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7126] <... futex resumed>) = 0 [pid 7124] close(3 [pid 5832] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7128 attached ./strace-static-x86_64: Process 7127 attached [pid 7126] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7128] set_robust_list(0x55558704b6a0, 24 [pid 7127] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7126] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7127] <... rseq resumed>) = 0 [pid 7127] set_robust_list(0x7f39493479a0, 24 [pid 7126] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7127] <... set_robust_list resumed>) = 0 [pid 7126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7128] <... set_robust_list resumed>) = 0 [pid 7127] rt_sigprocmask(SIG_SETMASK, [], [pid 7126] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7126] <... mmap resumed>) = 0x7f3949327000 [pid 7125] <... clone3 resumed> => {parent_tid=[7127]}, 88) = 7127 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7127] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] rt_sigprocmask(SIG_SETMASK, [], [pid 7126] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7125] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = 0 [pid 7126] <... mprotect resumed>) = 0 [pid 7125] <... futex resumed>) = 1 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7125] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7127] memfd_create("syzkaller", 0) = 3 [pid 7126] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7126] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7128 ./strace-static-x86_64: Process 7129 attached [pid 7126] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7124] <... close resumed>) = 0 ./strace-static-x86_64: Process 7130 attached [pid 7130] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7129] set_robust_list(0x55558704b6a0, 24 [pid 7128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7124] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... rseq resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7129 [pid 7130] set_robust_list(0x7f39493479a0, 24 [pid 7129] <... set_robust_list resumed>) = 0 [pid 7130] <... set_robust_list resumed>) = 0 [pid 7128] <... prctl resumed>) = 0 [pid 7126] <... clone3 resumed> => {parent_tid=[7130]}, 88) = 7130 [pid 7130] rt_sigprocmask(SIG_SETMASK, [], [pid 7129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7128] setpgid(0, 0 [pid 7126] rt_sigprocmask(SIG_SETMASK, [], [pid 7130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7129] <... prctl resumed>) = 0 [pid 7128] <... setpgid resumed>) = 0 [pid 7126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7130] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7129] setpgid(0, 0 [pid 7128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7126] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] <... futex resumed>) = 1 [pid 7122] <... futex resumed>) = 0 executing program [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7129] <... setpgid resumed>) = 0 [pid 7128] <... openat resumed>) = 3 [pid 7126] <... futex resumed>) = 0 [pid 7122] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] write(3, "1000", 4 [pid 7126] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7128] <... write resumed>) = 4 [pid 7130] memfd_create("syzkaller", 0 [pid 7128] close(3) = 0 [pid 7129] <... openat resumed>) = 3 [pid 7128] write(1, "executing program\n", 18 [pid 7122] <... futex resumed>) = 0 [pid 7130] <... memfd_create resumed>) = 3 [pid 7130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7129] write(3, "1000", 4 [pid 7128] <... write resumed>) = 18 [pid 7124] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7122] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] <... mmap resumed>) = 0x7f3940e00000 [pid 7129] <... write resumed>) = 4 [pid 7128] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7128] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7129] close(3 [pid 7124] <... openat resumed>) = 3 [pid 7128] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7130] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7129] <... close resumed>) = 0 [pid 7127] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7124] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] write(1, "executing program\n", 18executing program [pid 7124] <... futex resumed>) = 1 [pid 7122] <... futex resumed>) = 0 [pid 7129] <... write resumed>) = 18 [pid 7124] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7122] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7129] <... futex resumed>) = 0 [pid 7124] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7122] <... futex resumed>) = 0 [pid 7129] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7128] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7124] <... mmap resumed>) = 0x200000000000 [pid 7122] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7124] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7122] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7122] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7124] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7128] <... mprotect resumed>) = 0 [pid 7129] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7122] <... futex resumed>) = ? [pid 7124] +++ killed by SIGBUS +++ [pid 7130] <... write resumed>) = 1048576 [pid 7129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7127] <... write resumed>) = 1048576 [pid 7129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7130] munmap(0x7f3940e00000, 138412032 [pid 7129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7127] munmap(0x7f3940e00000, 138412032 [pid 7122] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 7131 attached ./strace-static-x86_64: Process 7132 attached [pid 7129] <... clone3 resumed> => {parent_tid=[7131]}, 88) = 7131 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7122, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7132] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7129] rt_sigprocmask(SIG_SETMASK, [], [pid 7128] <... clone3 resumed> => {parent_tid=[7132]}, 88) = 7132 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7132] <... rseq resumed>) = 0 [pid 7128] rt_sigprocmask(SIG_SETMASK, [], [pid 7132] set_robust_list(0x7f39493479a0, 24 [pid 7131] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7132] <... set_robust_list resumed>) = 0 [pid 7131] <... rseq resumed>) = 0 [pid 7130] <... munmap resumed>) = 0 [pid 7128] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... munmap resumed>) = 0 [pid 7129] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] rt_sigprocmask(SIG_SETMASK, [], [pid 7131] set_robust_list(0x7f39493479a0, 24 [pid 7130] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7129] <... futex resumed>) = 0 [pid 7128] <... futex resumed>) = 0 [pid 7127] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5829] <... restart_syscall resumed>) = 0 [pid 7132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7131] <... set_robust_list resumed>) = 0 [pid 7129] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7128] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7127] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7132] memfd_create("syzkaller", 0 [pid 7131] rt_sigprocmask(SIG_SETMASK, [], [pid 7130] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7127] close(3 [pid 7132] <... memfd_create resumed>) = 3 [pid 7131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7130] close(3 [pid 7131] memfd_create("syzkaller", 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7131] <... memfd_create resumed>) = 3 [pid 7132] <... mmap resumed>) = 0x7f3940e00000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7131] <... mmap resumed>) = 0x7f3940e00000 ./strace-static-x86_64: Process 7133 attached [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7133 [pid 7133] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7127] <... close resumed>) = 0 [pid 7133] setpgid(0, 0) = 0 [pid 7133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7133] write(3, "1000", 4 [pid 7132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7131] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7130] <... close resumed>) = 0 [pid 7127] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... write resumed>) = 4 [pid 7132] <... write resumed>) = 1048576 [pid 7131] <... write resumed>) = 1048576 [pid 7130] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7133] close(3 [pid 7132] munmap(0x7f3940e00000, 138412032 [pid 7130] <... futex resumed>) = 1 [pid 7126] <... futex resumed>) = 0 [pid 7125] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7126] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... futex resumed>) = 0 [pid 7126] <... futex resumed>) = 0 [pid 7126] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] <... openat resumed>) = 3 [pid 7125] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] <... close resumed>) = 0 [pid 7132] <... munmap resumed>) = 0 [pid 7130] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7130] <... futex resumed>) = 1 [pid 7126] <... futex resumed>) = 0 [pid 7132] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7130] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7132] close(3 [pid 7126] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 7133] write(1, "executing program\n", 18) = 18 [pid 7133] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7133] <... futex resumed>) = 0 [pid 7127] <... openat resumed>) = 3 [pid 7133] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7127] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7130] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7127] <... futex resumed>) = 1 [pid 7126] <... futex resumed>) = 0 [pid 7125] <... futex resumed>) = 0 [pid 7133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7127] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... mmap resumed>) = 0x200000000000 [pid 7126] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7125] <... futex resumed>) = 0 [pid 7133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7127] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7125] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] <... mmap resumed>) = 0x7f3949327000 [pid 7130] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... mmap resumed>) = 0x200000000000 [pid 7126] <... futex resumed>) = 0 [pid 7130] <... futex resumed>) = 1 [pid 7126] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7130] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7127] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 7133] <... mprotect resumed>) = 0 [pid 7127] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7133] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7127] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7125] <... futex resumed>) = 0 [pid 7125] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7127] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- ./strace-static-x86_64: Process 7134 attached [pid 7132] <... close resumed>) = 0 [pid 7130] +++ killed by SIGBUS +++ [pid 7126] +++ killed by SIGBUS +++ [pid 7125] <... futex resumed>) = ? [pid 7134] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7133] <... clone3 resumed> => {parent_tid=[7134]}, 88) = 7134 [pid 7132] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] +++ killed by SIGBUS +++ [pid 7134] <... rseq resumed>) = 0 [pid 7133] rt_sigprocmask(SIG_SETMASK, [], [pid 7132] <... futex resumed>) = 1 [pid 7131] munmap(0x7f3940e00000, 138412032 [pid 7128] <... futex resumed>) = 0 [pid 7125] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7126, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7134] set_robust_list(0x7f39493479a0, 24 [pid 7133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7132] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7131] <... munmap resumed>) = 0 [pid 7128] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7125, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7134] <... set_robust_list resumed>) = 0 [pid 7133] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] <... openat resumed>) = 3 [pid 7128] <... futex resumed>) = 0 [pid 7133] <... futex resumed>) = 0 [pid 7128] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7134] rt_sigprocmask(SIG_SETMASK, [], [pid 7133] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7132] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] <... restart_syscall resumed>) = 0 [pid 7134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7132] <... futex resumed>) = 0 [pid 7131] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7134] memfd_create("syzkaller", 0 [pid 7132] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... memfd_create resumed>) = 3 [pid 7132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7131] close(3 [pid 7128] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7132] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7131] <... close resumed>) = 0 [pid 7128] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7134] <... mmap resumed>) = 0x7f3940e00000 [pid 7132] <... mmap resumed>) = 0x200000000000 [pid 7131] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7135 attached [pid 7135] set_robust_list(0x55558704b6a0, 24 [pid 7134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7132] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... futex resumed>) = 1 [pid 7129] <... futex resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7135 [pid 7135] <... set_robust_list resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7129] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7132] <... futex resumed>) = 1 [pid 7132] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7131] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7131] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] <... futex resumed>) = 0 [pid 7128] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 ./strace-static-x86_64: Process 7136 attached [pid 7135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7134] <... write resumed>) = 1048576 [pid 7132] <... futex resumed>) = 0 [pid 7131] <... futex resumed>) = 0 [pid 7129] <... futex resumed>) = 1 [pid 7128] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] set_robust_list(0x55558704b6a0, 24 [pid 7135] <... prctl resumed>) = 0 [pid 7134] munmap(0x7f3940e00000, 138412032 [pid 7132] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7131] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7129] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7136 [pid 7136] <... set_robust_list resumed>) = 0 [pid 7135] setpgid(0, 0 [pid 7134] <... munmap resumed>) = 0 [pid 7129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] <... futex resumed>) = ? [pid 7136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7135] <... setpgid resumed>) = 0 [pid 7132] +++ killed by SIGBUS +++ [pid 7129] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] +++ killed by SIGBUS +++ [pid 7131] <... futex resumed>) = 0 [pid 7129] <... futex resumed>) = 1 [pid 7131] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7136] <... prctl resumed>) = 0 [pid 7135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7131] <... mmap resumed>) = 0x200000000000 [pid 7129] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] setpgid(0, 0 [pid 7134] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7131] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7128, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7136] <... setpgid resumed>) = 0 [pid 7135] <... openat resumed>) = 3 [pid 7134] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7131] <... futex resumed>) = 0 [pid 7129] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7131] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7134] close(3 [pid 7136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7135] write(3, "1000", 4 [pid 7129] <... futex resumed>) = ? [pid 7135] <... write resumed>) = 4 [pid 7131] +++ killed by SIGBUS +++ [pid 7136] <... openat resumed>) = 3 [pid 7135] close(3 [pid 7134] <... close resumed>) = 0 [pid 7129] +++ killed by SIGBUS +++ executing program [pid 7136] write(3, "1000", 4 [pid 7135] <... close resumed>) = 0 [pid 7135] write(1, "executing program\n", 18) = 18 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7129, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5827] <... restart_syscall resumed>) = 0 [pid 7136] <... write resumed>) = 4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7136] close(3 [pid 7135] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7134] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = 0 [pid 7134] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... close resumed>) = 0 [pid 7135] <... futex resumed>) = 0 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... futex resumed>) = 0 executing program [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7136] write(1, "executing program\n", 18 [pid 7135] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7134] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7133] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] <... write resumed>) = 18 [pid 7135] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7134] <... openat resumed>) = 3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7136] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7136] <... futex resumed>) = 0 [pid 7135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7136] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7134] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7133] <... futex resumed>) = 0 [pid 7134] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... futex resumed>) = 0 [pid 7134] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7133] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7137 attached [pid 7136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7135] <... mmap resumed>) = 0x7f3949327000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7134] <... mmap resumed>) = 0x200000000000 [pid 7137] set_robust_list(0x55558704b6a0, 24 [pid 7136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7135] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7137 [pid 7136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7135] <... mprotect resumed>) = 0 [pid 7137] <... set_robust_list resumed>) = 0 [pid 7134] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7134] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = 0 [pid 7137] <... prctl resumed>) = 0 [pid 7134] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7138 attached [pid 7137] setpgid(0, 0 [pid 7136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... futex resumed>) = 0 [pid 7137] <... setpgid resumed>) = 0 [pid 7136] <... mmap resumed>) = 0x7f3949327000 [pid 7135] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7134] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7133] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7138] set_robust_list(0x55558704b6a0, 24 [pid 7137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7136] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7133] <... futex resumed>) = ? [pid 7138] <... set_robust_list resumed>) = 0 [pid 7137] <... openat resumed>) = 3 [pid 7135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7134] +++ killed by SIGBUS +++ [pid 7136] <... mprotect resumed>) = 0 [pid 7137] write(3, "1000", 4) = 4 [pid 7137] close(3) = 0 ./strace-static-x86_64: Process 7139 attached executing program [pid 7137] write(1, "executing program\n", 18 [pid 7139] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7137] <... write resumed>) = 18 [pid 7139] <... rseq resumed>) = 0 [pid 7137] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7138 [pid 7139] set_robust_list(0x7f39493479a0, 24 [pid 7138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7137] <... futex resumed>) = 0 [pid 7139] <... set_robust_list resumed>) = 0 [pid 7137] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7139] rt_sigprocmask(SIG_SETMASK, [], [pid 7137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7139] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7137] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7138] <... prctl resumed>) = 0 [pid 7137] <... mprotect resumed>) = 0 [pid 7136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7135] <... clone3 resumed> => {parent_tid=[7139]}, 88) = 7139 [pid 7133] +++ killed by SIGBUS +++ [pid 7138] setpgid(0, 0 [pid 7137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7135] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7133, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7138] <... setpgid resumed>) = 0 [pid 7137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7135] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7140 attached [pid 7138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7136] <... clone3 resumed> => {parent_tid=[7140]}, 88) = 7140 [pid 7135] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7141 attached [pid 7140] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7136] rt_sigprocmask(SIG_SETMASK, [], [pid 7135] <... futex resumed>) = 1 [pid 7141] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7140] <... rseq resumed>) = 0 [pid 7139] <... futex resumed>) = 0 [pid 7138] <... openat resumed>) = 3 [pid 7137] <... clone3 resumed> => {parent_tid=[7141]}, 88) = 7141 [pid 7136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7135] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7141] <... rseq resumed>) = 0 [pid 7140] set_robust_list(0x7f39493479a0, 24 [pid 7139] memfd_create("syzkaller", 0 [pid 7140] <... set_robust_list resumed>) = 0 [pid 7141] set_robust_list(0x7f39493479a0, 24 [pid 7140] rt_sigprocmask(SIG_SETMASK, [], [pid 7141] <... set_robust_list resumed>) = 0 [pid 7140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7141] rt_sigprocmask(SIG_SETMASK, [], [pid 7140] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7141] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7139] <... memfd_create resumed>) = 3 [pid 7138] write(3, "1000", 4 [pid 7137] rt_sigprocmask(SIG_SETMASK, [], [pid 7136] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7140] <... futex resumed>) = 0 [pid 7139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7138] <... write resumed>) = 4 [pid 7137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7136] <... futex resumed>) = 1 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7142 attached [pid 7140] memfd_create("syzkaller", 0 [pid 7139] <... mmap resumed>) = 0x7f3940e00000 executing program [pid 7138] close(3 [pid 7137] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7141] <... futex resumed>) = 0 [pid 7140] <... memfd_create resumed>) = 3 [pid 7138] <... close resumed>) = 0 [pid 7137] <... futex resumed>) = 1 [pid 7141] memfd_create("syzkaller", 0 [pid 7138] write(1, "executing program\n", 18) = 18 [pid 7137] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7142 [pid 7138] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] set_robust_list(0x55558704b6a0, 24 [pid 7141] <... memfd_create resumed>) = 3 [pid 7140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7138] <... futex resumed>) = 0 [pid 7142] <... set_robust_list resumed>) = 0 [pid 7141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7140] <... mmap resumed>) = 0x7f3940e00000 [pid 7138] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7141] <... mmap resumed>) = 0x7f3940e00000 [pid 7139] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7138] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7142] <... prctl resumed>) = 0 [pid 7138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7142] setpgid(0, 0 [pid 7141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7139] <... write resumed>) = 1048576 [pid 7138] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7142] <... setpgid resumed>) = 0 [pid 7139] munmap(0x7f3940e00000, 138412032 [pid 7138] <... mprotect resumed>) = 0 [pid 7139] <... munmap resumed>) = 0 [pid 7138] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7143 attached [pid 7142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7139] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7138] <... clone3 resumed> => {parent_tid=[7143]}, 88) = 7143 [pid 7139] close(3 [pid 7138] rt_sigprocmask(SIG_SETMASK, [], [pid 7143] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7142] <... openat resumed>) = 3 [pid 7141] <... write resumed>) = 1048576 [pid 7139] <... close resumed>) = 0 [pid 7138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7143] <... rseq resumed>) = 0 [pid 7142] write(3, "1000", 4 [pid 7141] munmap(0x7f3940e00000, 138412032 [pid 7143] set_robust_list(0x7f39493479a0, 24 [pid 7142] <... write resumed>) = 4 [pid 7143] <... set_robust_list resumed>) = 0 [pid 7142] close(3 [pid 7143] rt_sigprocmask(SIG_SETMASK, [], [pid 7142] <... close resumed>) = 0 [pid 7143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7142] write(1, "executing program\n", 18 [pid 7143] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... futex resumed>) = 0 [pid 7138] <... futex resumed>) = 1 [pid 7143] memfd_create("syzkaller", 0 [pid 7138] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7143] <... memfd_create resumed>) = 3 [pid 7143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program ) = 0x7f3940e00000 [pid 7142] <... write resumed>) = 18 [pid 7141] <... munmap resumed>) = 0 [pid 7142] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7139] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7142] <... futex resumed>) = 0 [pid 7141] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7140] <... write resumed>) = 1048576 [pid 7142] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7141] close(3 [pid 7140] munmap(0x7f3940e00000, 138412032 [pid 7139] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7142] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7140] <... munmap resumed>) = 0 [pid 7139] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7135] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7135] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7139] <... openat resumed>) = 3 [pid 7140] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7139] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7139] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7139] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7135] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] close(3 [pid 7139] <... mmap resumed>) = 0x200000000000 [pid 7135] <... futex resumed>) = 0 [pid 7142] <... mmap resumed>) = 0x7f3949327000 [pid 7141] <... close resumed>) = 0 [pid 7142] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7135] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7142] <... mprotect resumed>) = 0 [pid 7143] <... write resumed>) = 1048576 [pid 7142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7139] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] munmap(0x7f3940e00000, 138412032 [pid 7141] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7137] <... futex resumed>) = 0 [pid 7142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7141] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7144 attached [pid 7141] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7139] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7139] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7135] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7143] <... munmap resumed>) = 0 [pid 7141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7137] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... futex resumed>) = ? [pid 7144] <... rseq resumed>) = 0 [pid 7143] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7142] <... clone3 resumed> => {parent_tid=[7144]}, 88) = 7144 [pid 7141] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7139] +++ killed by SIGBUS +++ [pid 7137] <... futex resumed>) = 0 [pid 7135] +++ killed by SIGBUS +++ [pid 7144] set_robust_list(0x7f39493479a0, 24 [pid 7142] rt_sigprocmask(SIG_SETMASK, [], [pid 7144] <... set_robust_list resumed>) = 0 [pid 7143] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7137] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7135, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7144] rt_sigprocmask(SIG_SETMASK, [], [pid 7142] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... openat resumed>) = 3 [pid 7144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7143] close(3 [pid 7142] <... futex resumed>) = 0 [pid 7144] memfd_create("syzkaller", 0 [pid 7141] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7144] <... memfd_create resumed>) = 3 [pid 7141] <... futex resumed>) = 1 [pid 7144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7141] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7137] <... futex resumed>) = 0 [pid 7144] <... mmap resumed>) = 0x7f3940e00000 [pid 7140] <... close resumed>) = 0 [pid 7137] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7137] <... futex resumed>) = 1 [pid 7137] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7145 attached [pid 7144] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7143] <... close resumed>) = 0 [pid 7141] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7140] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] set_robust_list(0x55558704b6a0, 24 [pid 7141] <... mmap resumed>) = 0x200000000000 [pid 7145] <... set_robust_list resumed>) = 0 [pid 7141] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7141] <... futex resumed>) = 1 [pid 7137] <... futex resumed>) = 0 [pid 7141] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7137] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7137] <... futex resumed>) = 0 [pid 7145] <... prctl resumed>) = 0 [pid 7141] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7137] read(0, [pid 7145] setpgid(0, 0 [pid 7141] +++ killed by SIGBUS +++ [pid 7137] +++ killed by SIGBUS +++ [pid 7145] <... setpgid resumed>) = 0 [pid 7145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7137, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7145] <... openat resumed>) = 3 [pid 7144] <... write resumed>) = 1048576 [pid 7143] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... futex resumed>) = 1 [pid 7136] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7145 [pid 5827] <... restart_syscall resumed>) = 0 executing program [pid 7145] write(3, "1000", 4 [pid 7144] munmap(0x7f3940e00000, 138412032 [pid 7143] <... futex resumed>) = 1 [pid 7140] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] <... futex resumed>) = 0 [pid 7136] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... write resumed>) = 4 [pid 7143] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7138] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... futex resumed>) = 0 [pid 7145] close(3 [pid 7143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7140] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7136] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7138] <... futex resumed>) = 0 [pid 7145] <... close resumed>) = 0 [pid 7143] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7145] write(1, "executing program\n", 18 [pid 7143] <... openat resumed>) = 3 [pid 7140] <... openat resumed>) = 3 [pid 7138] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7145] <... write resumed>) = 18 [pid 7144] <... munmap resumed>) = 0 [pid 7143] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7145] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... futex resumed>) = 0 [pid 7136] <... futex resumed>) = 0 [pid 7138] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... futex resumed>) = 0 [pid 7144] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7143] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7140] <... futex resumed>) = 1 [pid 7145] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7144] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7143] <... mmap resumed>) = 0x200000000000 [pid 7140] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7138] <... futex resumed>) = 0 [pid 7136] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7144] close(3 [pid 7143] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... mmap resumed>) = 0x200000000000 [pid 7138] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7146 attached [pid 7145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7136] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7146] set_robust_list(0x55558704b6a0, 24 [pid 7145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7143] <... futex resumed>) = 0 [pid 7140] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7146] <... set_robust_list resumed>) = 0 [pid 7145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7143] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7140] <... futex resumed>) = 0 [pid 7138] <... futex resumed>) = 0 [pid 7136] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7146 [pid 7146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7145] <... mmap resumed>) = 0x7f3949327000 [pid 7144] <... close resumed>) = 0 [pid 7140] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7136] <... futex resumed>) = 0 [pid 7146] <... prctl resumed>) = 0 [pid 7145] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7136] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7145] <... mprotect resumed>) = 0 [pid 7144] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] +++ killed by SIGBUS +++ [pid 7138] +++ killed by SIGBUS +++ [pid 7146] setpgid(0, 0) = 0 [pid 7145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7144] <... futex resumed>) = 1 [pid 7142] <... futex resumed>) = 0 [pid 7144] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7138, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7144] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7142] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] +++ killed by SIGBUS +++ [pid 7136] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 7147 attached [pid 7146] <... openat resumed>) = 3 [pid 7144] <... openat resumed>) = 3 [pid 7147] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7145] <... clone3 resumed> => {parent_tid=[7147]}, 88) = 7147 [pid 7147] <... rseq resumed>) = 0 [pid 7145] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7136, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7147] set_robust_list(0x7f39493479a0, 24 [pid 7145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7147] <... set_robust_list resumed>) = 0 [pid 7146] write(3, "1000", 4 [pid 7144] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... write resumed>) = 4 [pid 7147] rt_sigprocmask(SIG_SETMASK, [], [pid 7145] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... futex resumed>) = 1 [pid 7142] <... futex resumed>) = 0 [pid 7147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7146] close(3 [pid 7145] <... futex resumed>) = 0 [pid 7144] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] memfd_create("syzkaller", 0 [pid 7145] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7142] <... futex resumed>) = 0 [pid 7146] <... close resumed>) = 0 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7147] <... memfd_create resumed>) = 3 [pid 7146] write(1, "executing program\n", 18 [pid 7144] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7146] <... write resumed>) = 18 [pid 7147] <... mmap resumed>) = 0x7f3940e00000 [pid 7146] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... mmap resumed>) = 0x200000000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7146] <... futex resumed>) = 0 [pid 7146] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7144] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7146] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7144] <... futex resumed>) = 1 [pid 7142] <... futex resumed>) = 0 [pid 7142] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7144] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7142] <... futex resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7146] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7146] <... mmap resumed>) = 0x7f3949327000 [pid 7146] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7146] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7148 attached [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7146] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7146] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7149 attached [pid 7149] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7146] <... clone3 resumed> => {parent_tid=[7149]}, 88) = 7149 [pid 7147] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7149] <... rseq resumed>) = 0 [pid 7146] rt_sigprocmask(SIG_SETMASK, [], [pid 7149] set_robust_list(0x7f39493479a0, 24 [pid 7146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7148 ./strace-static-x86_64: Process 7150 attached [pid 7149] <... set_robust_list resumed>) = 0 [pid 7148] set_robust_list(0x55558704b6a0, 24 [pid 7146] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] set_robust_list(0x55558704b6a0, 24 [pid 7149] rt_sigprocmask(SIG_SETMASK, [], [pid 7148] <... set_robust_list resumed>) = 0 [pid 7146] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7150 [pid 7150] <... set_robust_list resumed>) = 0 [pid 7149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7146] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7149] memfd_create("syzkaller", 0 [pid 7148] <... prctl resumed>) = 0 [pid 7150] <... prctl resumed>) = 0 [pid 7149] <... memfd_create resumed>) = 3 [pid 7148] setpgid(0, 0 [pid 7144] +++ killed by SIGBUS +++ [pid 7142] +++ killed by SIGBUS +++ [pid 7150] setpgid(0, 0 [pid 7149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7148] <... setpgid resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7142, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7150] <... setpgid resumed>) = 0 [pid 7149] <... mmap resumed>) = 0x7f3940e00000 [pid 7148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7148] <... openat resumed>) = 3 [pid 7147] <... write resumed>) = 1048576 [pid 7150] <... openat resumed>) = 3 [pid 7148] write(3, "1000", 4 [pid 7147] munmap(0x7f3940e00000, 138412032 [pid 7150] write(3, "1000", 4 [pid 7148] <... write resumed>) = 4 [pid 7150] <... write resumed>) = 4 [pid 7148] close(3 [pid 7147] <... munmap resumed>) = 0 [pid 7150] close(3 [pid 7149] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7148] <... close resumed>) = 0 [pid 7147] openat(AT_FDCWD, "/dev/loop2", O_RDWR executing program [pid 7150] <... close resumed>) = 0 [pid 7148] write(1, "executing program\n", 18 [pid 7147] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 7150] write(1, "executing program\n", 18 [pid 7148] <... write resumed>) = 18 [pid 7147] close(3 [pid 7150] <... write resumed>) = 18 [pid 7150] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7148] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7149] <... write resumed>) = 1048576 [pid 7148] <... futex resumed>) = 0 [pid 7147] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7148] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7147] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7149] munmap(0x7f3940e00000, 138412032 [pid 7148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7147] <... futex resumed>) = 1 [pid 7145] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7151 attached [pid 7150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7149] <... munmap resumed>) = 0 [pid 7148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7147] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7145] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7149] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7145] <... futex resumed>) = 0 [pid 7148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7150] <... mmap resumed>) = 0x7f3949327000 [pid 7148] <... mmap resumed>) = 0x7f3949327000 [pid 7147] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7145] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7151 [pid 7151] set_robust_list(0x55558704b6a0, 24 [pid 7150] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7148] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7147] <... openat resumed>) = 3 [pid 7151] <... set_robust_list resumed>) = 0 [pid 7150] <... mprotect resumed>) = 0 [pid 7149] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7148] <... mprotect resumed>) = 0 [pid 7151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7149] close(3 [pid 7148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7147] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7151] <... prctl resumed>) = 0 [pid 7150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7149] <... close resumed>) = 0 [pid 7148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7147] <... futex resumed>) = 1 [pid 7145] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7152 attached [pid 7151] setpgid(0, 0 [pid 7149] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7145] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7152] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7151] <... setpgid resumed>) = 0 [pid 7149] <... futex resumed>) = 1 [pid 7146] <... futex resumed>) = 0 [pid 7145] <... futex resumed>) = 0 [pid 7152] set_robust_list(0x7f39493479a0, 24 [pid 7149] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7146] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7152] <... set_robust_list resumed>) = 0 [pid 7151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7146] <... futex resumed>) = 0 [pid 7152] rt_sigprocmask(SIG_SETMASK, [], [pid 7146] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7152] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 7153 attached [pid 7150] <... clone3 resumed> => {parent_tid=[7152]}, 88) = 7152 [pid 7149] <... openat resumed>) = 3 [pid 7151] <... openat resumed>) = 3 [pid 7150] rt_sigprocmask(SIG_SETMASK, [], [pid 7147] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] write(3, "1000", 4 [pid 7150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7149] <... futex resumed>) = 1 [pid 7148] <... clone3 resumed> => {parent_tid=[7153]}, 88) = 7153 [pid 7151] <... write resumed>) = 4 [pid 7150] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] rt_sigprocmask(SIG_SETMASK, [], [pid 7147] <... futex resumed>) = 1 [pid 7145] <... futex resumed>) = 0 [pid 7151] close(3 [pid 7150] <... futex resumed>) = 1 [pid 7148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7147] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7150] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7148] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7152] <... futex resumed>) = 0 [pid 7151] <... close resumed>) = 0 [pid 7147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7146] <... futex resumed>) = 0 [pid 7148] <... futex resumed>) = 0 [pid 7145] <... futex resumed>) = 0 [pid 7153] <... rseq resumed>) = 0 [pid 7152] memfd_create("syzkaller", 0 [pid 7151] write(1, "executing program\n", 18 executing program [pid 7148] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7147] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7146] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7153] set_robust_list(0x7f39493479a0, 24 [pid 7152] <... memfd_create resumed>) = 3 [pid 7151] <... write resumed>) = 18 [pid 7149] <... futex resumed>) = 0 [pid 7146] <... futex resumed>) = 1 [pid 7153] <... set_robust_list resumed>) = 0 [pid 7152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7146] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7152] <... mmap resumed>) = 0x7f3940e00000 [pid 7151] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7145] <... futex resumed>) = ? [pid 7153] memfd_create("syzkaller", 0 [pid 7151] <... futex resumed>) = 0 [pid 7149] <... mmap resumed>) = 0x200000000000 [pid 7147] +++ killed by SIGBUS +++ [pid 7145] +++ killed by SIGBUS +++ [pid 7151] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7145, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7149] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7149] <... futex resumed>) = 1 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7149] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] <... mmap resumed>) = 0x7f3949327000 [pid 7151] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7153] <... memfd_create resumed>) = 3 [pid 7151] <... mprotect resumed>) = 0 [pid 7146] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7146] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] <... mmap resumed>) = 0x7f3940e00000 [pid 7146] <... futex resumed>) = 1 [pid 7149] <... futex resumed>) = 0 [pid 7146] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7149] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7154 attached [pid 7146] <... futex resumed>) = ? [pid 7151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7154] set_robust_list(0x55558704b6a0, 24 [pid 7151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7149] +++ killed by SIGBUS +++ [pid 7146] +++ killed by SIGBUS +++ [pid 7154] <... set_robust_list resumed>) = 0 [pid 7151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7154 ./strace-static-x86_64: Process 7155 attached [pid 7154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7151] <... clone3 resumed> => {parent_tid=[7155]}, 88) = 7155 [pid 7151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7151] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] <... prctl resumed>) = 0 [pid 7151] <... futex resumed>) = 0 [pid 7151] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7154] setpgid(0, 0) = 0 [pid 7154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7155] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7153] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7152] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7146, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7155] <... rseq resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7155] set_robust_list(0x7f39493479a0, 24 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7155] <... set_robust_list resumed>) = 0 [pid 7155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7154] write(3, "1000", 4 [pid 7153] <... write resumed>) = 1048576 [pid 7154] <... write resumed>) = 4 [pid 7154] close(3 [pid 7155] memfd_create("syzkaller", 0 [pid 7154] <... close resumed>) = 0 executing program [pid 7154] write(1, "executing program\n", 18 [pid 7155] <... memfd_create resumed>) = 3 [pid 7153] munmap(0x7f3940e00000, 138412032 [pid 7152] <... write resumed>) = 1048576 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7154] <... write resumed>) = 18 [pid 7154] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7154] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7155] <... mmap resumed>) = 0x7f3940e00000 [pid 7154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7154] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7157 attached ./strace-static-x86_64: Process 7156 attached [pid 7157] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7156] set_robust_list(0x55558704b6a0, 24 [pid 7157] <... rseq resumed>) = 0 [pid 7154] <... clone3 resumed> => {parent_tid=[7157]}, 88) = 7157 [pid 7157] set_robust_list(0x7f39493479a0, 24 [pid 7156] <... set_robust_list resumed>) = 0 [pid 7154] rt_sigprocmask(SIG_SETMASK, [], [pid 7153] <... munmap resumed>) = 0 [pid 7157] <... set_robust_list resumed>) = 0 [pid 7156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7157] rt_sigprocmask(SIG_SETMASK, [], [pid 7154] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7156] <... prctl resumed>) = 0 [pid 7154] <... futex resumed>) = 0 [pid 7157] memfd_create("syzkaller", 0 [pid 7156] setpgid(0, 0 [pid 7154] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7156] <... setpgid resumed>) = 0 [pid 7157] <... memfd_create resumed>) = 3 [pid 7156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7155] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7153] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7152] munmap(0x7f3940e00000, 138412032 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7156 [pid 7157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7156] <... openat resumed>) = 3 [pid 7153] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7153] close(3 [pid 7157] <... mmap resumed>) = 0x7f3940e00000 [pid 7156] write(3, "1000", 4 [pid 7153] <... close resumed>) = 0 [pid 7152] <... munmap resumed>) = 0 [pid 7156] <... write resumed>) = 4 [pid 7156] close(3) = 0 [pid 7152] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7156] write(1, "executing program\n", 18executing program [pid 7153] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7156] <... write resumed>) = 18 [pid 7155] <... write resumed>) = 1048576 [pid 7152] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7156] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] <... write resumed>) = 1048576 [pid 7155] munmap(0x7f3940e00000, 138412032 [pid 7153] <... futex resumed>) = 1 [pid 7152] close(3 [pid 7156] <... futex resumed>) = 0 [pid 7148] <... futex resumed>) = 0 [pid 7157] munmap(0x7f3940e00000, 138412032 [pid 7156] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7155] <... munmap resumed>) = 0 [pid 7153] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7155] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 [pid 7157] <... munmap resumed>) = 0 [pid 7156] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7155] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7153] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7148] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7155] close(3 [pid 7153] <... openat resumed>) = 3 [pid 7152] <... close resumed>) = 0 [pid 7157] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7152] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] close(3 [pid 7156] <... mmap resumed>) = 0x7f3949327000 [pid 7153] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] <... futex resumed>) = 1 [pid 7150] <... futex resumed>) = 0 [pid 7156] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7153] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7153] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 [pid 7153] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7148] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7155] <... close resumed>) = 0 [pid 7153] <... mmap resumed>) = 0x200000000000 [pid 7152] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7150] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7155] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7157] <... close resumed>) = 0 [pid 7150] <... futex resumed>) = 0 [pid 7157] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7155] <... futex resumed>) = 1 [pid 7153] <... futex resumed>) = 1 [pid 7152] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7151] <... futex resumed>) = 0 [pid 7150] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7148] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7158 attached [pid 7157] <... futex resumed>) = 1 [pid 7155] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7154] <... futex resumed>) = 0 [pid 7153] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7152] <... openat resumed>) = 3 [pid 7151] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7157] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7156] <... clone3 resumed> => {parent_tid=[7158]}, 88) = 7158 [pid 7155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7154] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7152] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] <... futex resumed>) = 0 [pid 7148] <... futex resumed>) = 0 [pid 7158] <... rseq resumed>) = 0 [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] rt_sigprocmask(SIG_SETMASK, [], [pid 7155] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7154] <... futex resumed>) = 0 [pid 7153] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7152] <... futex resumed>) = 1 [pid 7151] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7150] <... futex resumed>) = 0 [pid 7148] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7158] set_robust_list(0x7f39493479a0, 24 [pid 7157] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7155] <... openat resumed>) = 3 [pid 7154] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7152] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7150] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = ? [pid 7158] <... set_robust_list resumed>) = 0 [pid 7157] <... openat resumed>) = 3 [pid 7156] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7153] +++ killed by SIGBUS +++ [pid 7152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7150] <... futex resumed>) = 0 [pid 7148] +++ killed by SIGBUS +++ [pid 7158] rt_sigprocmask(SIG_SETMASK, [], [pid 7157] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] <... futex resumed>) = 0 [pid 7155] <... futex resumed>) = 1 [pid 7152] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7151] <... futex resumed>) = 0 [pid 7150] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7148, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 7158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7157] <... futex resumed>) = 1 [pid 7156] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7155] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7154] <... futex resumed>) = 0 [pid 7152] <... mmap resumed>) = 0x200000000000 [pid 7151] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7158] memfd_create("syzkaller", 0 [pid 7157] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7154] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] <... futex resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7158] <... memfd_create resumed>) = 3 [pid 7157] <... mmap resumed>) = 0x200000000000 [pid 7155] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7154] <... futex resumed>) = 0 [pid 7152] <... futex resumed>) = 1 [pid 7151] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7150] <... futex resumed>) = 0 [pid 7158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7157] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] <... mmap resumed>) = 0x200000000000 [pid 7154] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7152] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7150] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] <... mmap resumed>) = 0x7f3940e00000 [pid 7157] <... futex resumed>) = 0 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7150] <... futex resumed>) = 0 [pid 7157] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7155] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7151] <... futex resumed>) = 0 [pid 7155] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7151] <... futex resumed>) = 0 [pid 7155] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7155] +++ killed by SIGBUS +++ [pid 7151] +++ killed by SIGBUS +++ [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7154] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7150] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7157] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7151, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7154] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7159 attached [pid 7158] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7152] +++ killed by SIGBUS +++ [pid 7150] <... futex resumed>) = ? [pid 5829] <... restart_syscall resumed>) = 0 [pid 7159] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7157] +++ killed by SIGBUS +++ [pid 7154] +++ killed by SIGBUS +++ [pid 7150] +++ killed by SIGBUS +++ [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7159 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7150, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7154, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7159] setpgid(0, 0 [pid 7158] <... write resumed>) = 1048576 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7159] <... setpgid resumed>) = 0 [pid 7159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7160 attached [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7160] set_robust_list(0x55558704b6a0, 24 [pid 7159] write(3, "1000", 4 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7160 ./strace-static-x86_64: Process 7161 attached [pid 7160] <... set_robust_list resumed>) = 0 [pid 7159] <... write resumed>) = 4 [pid 7159] close(3 [pid 7160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7161] set_robust_list(0x55558704b6a0, 24 [pid 7159] <... close resumed>) = 0 [pid 7161] <... set_robust_list resumed>) = 0 executing program [pid 7160] <... prctl resumed>) = 0 [pid 7159] write(1, "executing program\n", 18) = 18 [pid 7158] munmap(0x7f3940e00000, 138412032 [pid 7161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7160] setpgid(0, 0 [pid 7159] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7161 [pid 7159] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7159] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7160] <... setpgid resumed>) = 0 [pid 7158] <... munmap resumed>) = 0 [pid 7161] <... prctl resumed>) = 0 [pid 7160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7159] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7158] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7161] setpgid(0, 0 [pid 7160] <... openat resumed>) = 3 [pid 7159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7158] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7161] <... setpgid resumed>) = 0 [pid 7160] write(3, "1000", 4 [pid 7159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7158] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7160] <... write resumed>) = 4 [pid 7159] <... mmap resumed>) = 0x7f3949327000 [pid 7158] <... close resumed>) = 0 [pid 7160] close(3 [pid 7161] <... openat resumed>) = 3 [pid 7160] <... close resumed>) = 0 executing program [pid 7160] write(1, "executing program\n", 18) = 18 [pid 7161] write(3, "1000", 4 [pid 7160] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7162 attached [pid 7159] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7162] set_robust_list(0x55558704b6a0, 24 [pid 7161] <... write resumed>) = 4 [pid 7160] <... futex resumed>) = 0 [pid 7159] <... mprotect resumed>) = 0 [pid 7158] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7162 [pid 7162] <... set_robust_list resumed>) = 0 [pid 7161] close(3 [pid 7160] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7159] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7158] <... futex resumed>) = 1 [pid 7156] <... futex resumed>) = 0 [pid 7162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7161] <... close resumed>) = 0 [pid 7160] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7159] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7158] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7162] <... prctl resumed>) = 0 executing program [pid 7161] write(1, "executing program\n", 18 [pid 7160] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7163 attached [pid 7162] setpgid(0, 0 [pid 7161] <... write resumed>) = 18 [pid 7160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7163] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7162] <... setpgid resumed>) = 0 [pid 7161] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7159] <... clone3 resumed> => {parent_tid=[7163]}, 88) = 7163 [pid 7158] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7156] <... futex resumed>) = 0 [pid 7163] <... rseq resumed>) = 0 [pid 7162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7161] <... futex resumed>) = 0 [pid 7160] <... mmap resumed>) = 0x7f3949327000 [pid 7159] rt_sigprocmask(SIG_SETMASK, [], [pid 7158] <... openat resumed>) = 3 [pid 7156] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7161] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7162] <... openat resumed>) = 3 [pid 7161] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7159] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7159] <... futex resumed>) = 0 [pid 7158] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] write(3, "1000", 4 [pid 7161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7160] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7163] set_robust_list(0x7f39493479a0, 24 [pid 7159] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7158] <... futex resumed>) = 1 [pid 7156] <... futex resumed>) = 0 [pid 7162] <... write resumed>) = 4 [pid 7161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7158] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7156] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] close(3 [pid 7161] <... mmap resumed>) = 0x7f3949327000 [pid 7158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] <... futex resumed>) = 0 [pid 7163] <... set_robust_list resumed>) = 0 [pid 7162] <... close resumed>) = 0 [pid 7161] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7160] <... mprotect resumed>) = 0 [pid 7158] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7156] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7163] rt_sigprocmask(SIG_SETMASK, [], [pid 7162] write(1, "executing program\n", 18executing program [pid 7161] <... mprotect resumed>) = 0 [pid 7160] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7158] <... mmap resumed>) = 0x200000000000 [pid 7163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7162] <... write resumed>) = 18 [pid 7160] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7161] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7163] memfd_create("syzkaller", 0 [pid 7162] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7162] <... futex resumed>) = 0 [pid 7161] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7158] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7164 attached [pid 7163] <... memfd_create resumed>) = 3 [pid 7162] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7158] <... futex resumed>) = 1 [pid 7156] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7165 attached [pid 7164] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7162] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7160] <... clone3 resumed> => {parent_tid=[7164]}, 88) = 7164 [pid 7158] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7156] ???( [pid 7165] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7164] <... rseq resumed>) = 0 [pid 7163] <... mmap resumed>) = 0x7f3940e00000 [pid 7162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7160] rt_sigprocmask(SIG_SETMASK, [], [pid 7165] <... rseq resumed>) = 0 [pid 7160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7165] set_robust_list(0x7f39493479a0, 24 [pid 7160] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... set_robust_list resumed>) = 0 [pid 7164] set_robust_list(0x7f39493479a0, 24 [pid 7162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7161] <... clone3 resumed> => {parent_tid=[7165]}, 88) = 7165 [pid 7156] <... ??? resumed>) = ? [pid 7164] <... set_robust_list resumed>) = 0 [pid 7162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7161] rt_sigprocmask(SIG_SETMASK, [], [pid 7158] +++ killed by SIGBUS +++ [pid 7156] +++ killed by SIGBUS +++ [pid 7164] rt_sigprocmask(SIG_SETMASK, [], [pid 7162] <... mmap resumed>) = 0x7f3949327000 [pid 7161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7162] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7161] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] rt_sigprocmask(SIG_SETMASK, [], [pid 7164] memfd_create("syzkaller", 0 [pid 7162] <... mprotect resumed>) = 0 [pid 7161] <... futex resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7164] <... memfd_create resumed>) = 3 [pid 7162] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7161] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7156, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7165] memfd_create("syzkaller", 0 [pid 7160] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7162] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7164] <... mmap resumed>) = 0x7f3940e00000 [pid 7162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7165] <... memfd_create resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7166 attached [pid 7165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7164] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7162] <... clone3 resumed> => {parent_tid=[7166]}, 88) = 7166 [pid 7166] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7165] <... mmap resumed>) = 0x7f3940e00000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7166] <... rseq resumed>) = 0 [pid 7162] rt_sigprocmask(SIG_SETMASK, [], [pid 7166] set_robust_list(0x7f39493479a0, 24 [pid 7162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7166] <... set_robust_list resumed>) = 0 [pid 7162] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] rt_sigprocmask(SIG_SETMASK, [], [pid 7162] <... futex resumed>) = 0 [pid 7166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7162] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7166] memfd_create("syzkaller", 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7166] <... memfd_create resumed>) = 3 [pid 7166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 ./strace-static-x86_64: Process 7167 attached [pid 7166] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7165] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7163] <... write resumed>) = 1048576 [pid 7167] set_robust_list(0x55558704b6a0, 24 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7167 [pid 7167] <... set_robust_list resumed>) = 0 [pid 7164] <... write resumed>) = 1048576 [pid 7164] munmap(0x7f3940e00000, 138412032 [pid 7167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7164] <... munmap resumed>) = 0 [pid 7167] <... prctl resumed>) = 0 [pid 7166] <... write resumed>) = 1048576 [pid 7165] <... write resumed>) = 1048576 [pid 7164] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7163] munmap(0x7f3940e00000, 138412032 [pid 7167] setpgid(0, 0 [pid 7166] munmap(0x7f3940e00000, 138412032 [pid 7165] munmap(0x7f3940e00000, 138412032 [pid 7164] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7167] <... setpgid resumed>) = 0 [pid 7166] <... munmap resumed>) = 0 [pid 7164] close(3 [pid 7163] <... munmap resumed>) = 0 [pid 7167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7165] <... munmap resumed>) = 0 [pid 7164] <... close resumed>) = 0 [pid 7166] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7167] <... openat resumed>) = 3 [pid 7166] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7167] write(3, "1000", 4 [pid 7166] close(3 [pid 7167] <... write resumed>) = 4 [pid 7165] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7163] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7167] close(3) = 0 [pid 7166] <... close resumed>) = 0 [pid 7165] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7163] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7167] write(1, "executing program\n", 18 [pid 7164] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 7160] <... futex resumed>) = 0 [pid 7164] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7167] <... write resumed>) = 18 [pid 7160] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] close(3 [pid 7163] close(3 [pid 7160] <... futex resumed>) = 0 [pid 7167] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7164] <... openat resumed>) = 3 [pid 7164] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7164] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7166] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... futex resumed>) = 0 [pid 7165] <... close resumed>) = 0 [pid 7163] <... close resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7167] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7166] <... futex resumed>) = 1 [pid 7165] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] <... futex resumed>) = 0 [pid 7160] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7166] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7165] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 0 [pid 7163] <... futex resumed>) = 1 [pid 7162] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... futex resumed>) = 0 [pid 7160] <... futex resumed>) = 1 [pid 7159] <... futex resumed>) = 0 [pid 7167] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7165] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7163] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7162] <... futex resumed>) = 0 [pid 7161] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7166] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] <... mmap resumed>) = 0x200000000000 [pid 7163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7162] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7161] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7166] <... openat resumed>) = 3 [pid 7165] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7164] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7161] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] <... mmap resumed>) = 0x7f3949327000 [pid 7166] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... openat resumed>) = 3 [pid 7164] <... futex resumed>) = 1 [pid 7163] <... openat resumed>) = 3 [pid 7160] <... futex resumed>) = 0 [pid 7167] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7166] <... futex resumed>) = 1 [pid 7165] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7162] <... futex resumed>) = 0 [pid 7160] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... mprotect resumed>) = 0 [pid 7166] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7165] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... futex resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7167] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7165] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7163] <... futex resumed>) = 1 [pid 7162] <... futex resumed>) = 0 [pid 7161] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] <... futex resumed>) = 0 [pid 7167] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7166] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7162] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7161] <... futex resumed>) = 0 [pid 7159] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7166] <... mmap resumed>) = 0x200000000000 [pid 7165] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7164] +++ killed by SIGBUS +++ [pid 7163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7160] +++ killed by SIGBUS +++ [pid 7159] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7168 attached [pid 7159] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7165] <... mmap resumed>) = 0x200000000000 [pid 7163] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7168] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7167] <... clone3 resumed> => {parent_tid=[7168]}, 88) = 7168 [pid 7165] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] <... mmap resumed>) = 0x200000000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7160, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7168] <... rseq resumed>) = 0 [pid 7167] rt_sigprocmask(SIG_SETMASK, [], [pid 7165] <... futex resumed>) = 1 [pid 7168] set_robust_list(0x7f39493479a0, 24 [pid 7167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7165] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7167] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... set_robust_list resumed>) = 0 [pid 7167] <... futex resumed>) = 0 [pid 7166] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... futex resumed>) = 0 [pid 7168] rt_sigprocmask(SIG_SETMASK, [], [pid 7167] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7166] <... futex resumed>) = 1 [pid 7163] <... futex resumed>) = 1 [pid 7162] <... futex resumed>) = 0 [pid 7161] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] <... futex resumed>) = 0 [pid 7168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7166] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7165] <... futex resumed>) = 0 [pid 7163] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7162] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... futex resumed>) = 1 [pid 7159] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7165] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7168] memfd_create("syzkaller", 0 [pid 7163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7162] <... futex resumed>) = 0 [pid 7161] ???( [pid 7159] <... futex resumed>) = 0 [pid 7166] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7163] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7162] read(1228824576, [pid 7159] read(1228824576, [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7168] <... memfd_create resumed>) = 3 [pid 7161] <... ??? resumed>) = ? [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7166] +++ killed by SIGBUS +++ [pid 7165] +++ killed by SIGBUS +++ [pid 7162] +++ killed by SIGBUS +++ [pid 7161] +++ killed by SIGBUS +++ [pid 7168] <... mmap resumed>) = 0x7f3940e00000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7162, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7161, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 7169 attached [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7169 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7169] set_robust_list(0x55558704b6a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7170 ./strace-static-x86_64: Process 7170 attached [pid 7169] <... set_robust_list resumed>) = 0 [pid 7163] +++ killed by SIGBUS +++ [pid 7159] +++ killed by SIGBUS +++ [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7159, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7169] setpgid(0, 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7170] set_robust_list(0x55558704b6a0, 24 [pid 7169] <... setpgid resumed>) = 0 [pid 7169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7171 attached [pid 7170] <... set_robust_list resumed>) = 0 [pid 7168] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5826] <... restart_syscall resumed>) = 0 [pid 7171] set_robust_list(0x55558704b6a0, 24 [pid 7170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7169] write(3, "1000", 4 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7171 [pid 7170] <... prctl resumed>) = 0 [pid 7171] <... set_robust_list resumed>) = 0 [pid 7169] <... write resumed>) = 4 [pid 7171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7170] setpgid(0, 0 [pid 7169] close(3 [pid 7170] <... setpgid resumed>) = 0 [pid 7169] <... close resumed>) = 0 [pid 7171] <... prctl resumed>) = 0 [pid 7169] write(1, "executing program\n", 18executing program [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7171] setpgid(0, 0 [pid 7170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7169] <... write resumed>) = 18 [pid 7171] <... setpgid resumed>) = 0 [pid 7169] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7170] <... openat resumed>) = 3 [pid 7169] <... futex resumed>) = 0 [pid 7168] <... write resumed>) = 1048576 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7171] <... openat resumed>) = 3 [pid 7170] write(3, "1000", 4 [pid 7169] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7170] <... write resumed>) = 4 [pid 7169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7170] close(3) = 0 [pid 7169] <... mmap resumed>) = 0x7f3949327000 [pid 7169] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 7172 attached executing program [pid 7170] write(1, "executing program\n", 18) = 18 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7172 [pid 7171] write(3, "1000", 4 [pid 7170] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] <... write resumed>) = 4 [pid 7170] <... futex resumed>) = 0 [pid 7172] set_robust_list(0x55558704b6a0, 24 [pid 7170] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7172] <... set_robust_list resumed>) = 0 [pid 7170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7171] close(3 [pid 7172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7171] <... close resumed>) = 0 [pid 7170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7171] write(1, "executing program\n", 18 [pid 7170] <... mmap resumed>) = 0x7f3949327000 [pid 7170] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 7172] <... prctl resumed>) = 0 [pid 7171] <... write resumed>) = 18 [pid 7169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7172] setpgid(0, 0 [pid 7171] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... mprotect resumed>) = 0 [pid 7169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7168] munmap(0x7f3940e00000, 138412032 [pid 7172] <... setpgid resumed>) = 0 [pid 7171] <... futex resumed>) = 0 [pid 7170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7168] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7173 attached [pid 7172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7171] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7171] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7169] <... clone3 resumed> => {parent_tid=[7173]}, 88) = 7173 [pid 7173] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7172] <... openat resumed>) = 3 [pid 7171] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7169] rt_sigprocmask(SIG_SETMASK, [], [pid 7168] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7174 attached [pid 7171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7173] <... rseq resumed>) = 0 [pid 7174] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7172] write(3, "1000", 4 [pid 7171] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7170] <... clone3 resumed> => {parent_tid=[7174]}, 88) = 7174 [pid 7169] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7174] <... rseq resumed>) = 0 [pid 7173] set_robust_list(0x7f39493479a0, 24 [pid 7171] <... mmap resumed>) = 0x7f3949327000 [pid 7169] <... futex resumed>) = 0 [pid 7170] rt_sigprocmask(SIG_SETMASK, [], [pid 7172] <... write resumed>) = 4 [pid 7174] set_robust_list(0x7f39493479a0, 24 [pid 7173] <... set_robust_list resumed>) = 0 [pid 7172] close(3 [pid 7171] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7169] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7168] close(3 [pid 7174] <... set_robust_list resumed>) = 0 [pid 7173] rt_sigprocmask(SIG_SETMASK, [], [pid 7172] <... close resumed>) = 0 [pid 7171] <... mprotect resumed>) = 0 [pid 7170] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] rt_sigprocmask(SIG_SETMASK, [], [pid 7173] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7172] write(1, "executing program\n", 18 [pid 7170] <... futex resumed>) = 0 [pid 7168] <... close resumed>) = 0 [pid 7174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7173] memfd_create("syzkaller", 0 [pid 7172] <... write resumed>) = 18 [pid 7171] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7170] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7174] memfd_create("syzkaller", 0 [pid 7173] <... memfd_create resumed>) = 3 [pid 7172] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7171] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7168] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7172] <... futex resumed>) = 0 [pid 7171] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7168] <... futex resumed>) = 1 [pid 7167] <... futex resumed>) = 0 [pid 7173] <... mmap resumed>) = 0x7f3940e00000 [pid 7172] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7167] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7175 attached [pid 7174] <... memfd_create resumed>) = 3 [pid 7172] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7168] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7167] <... futex resumed>) = 0 [pid 7175] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7172] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7171] <... clone3 resumed> => {parent_tid=[7175]}, 88) = 7175 [pid 7168] <... openat resumed>) = 3 [pid 7167] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] <... rseq resumed>) = 0 [pid 7174] <... mmap resumed>) = 0x7f3940e00000 [pid 7172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7171] rt_sigprocmask(SIG_SETMASK, [], [pid 7175] set_robust_list(0x7f39493479a0, 24 [pid 7174] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7173] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7168] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] <... set_robust_list resumed>) = 0 [pid 7172] <... mmap resumed>) = 0x7f3949327000 [pid 7171] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... futex resumed>) = 1 [pid 7167] <... futex resumed>) = 0 [pid 7171] <... futex resumed>) = 0 [pid 7168] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7167] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7171] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7167] <... futex resumed>) = 0 [pid 7175] rt_sigprocmask(SIG_SETMASK, [], [pid 7172] <... mprotect resumed>) = 0 [pid 7168] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7167] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7172] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7168] <... mmap resumed>) = 0x200000000000 [pid 7175] memfd_create("syzkaller", 0 [pid 7168] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7167] <... futex resumed>) = 0 [pid 7167] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7167] <... futex resumed>) = 0 [pid 7167] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = ? [pid 7168] +++ killed by SIGBUS +++ [pid 7167] +++ killed by SIGBUS +++ [pid 7175] <... memfd_create resumed>) = 3 [pid 7172] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7172] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7167, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7175] <... mmap resumed>) = 0x7f3940e00000 ./strace-static-x86_64: Process 7176 attached [pid 7176] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7174] <... write resumed>) = 1048576 [pid 7176] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7172] <... clone3 resumed> => {parent_tid=[7176]}, 88) = 7176 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7176] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7177 attached [pid 7172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7172] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7172] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7177] set_robust_list(0x55558704b6a0, 24) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7177 [pid 7177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7177] setpgid(0, 0 [pid 7175] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7177] <... setpgid resumed>) = 0 [pid 7177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7174] munmap(0x7f3940e00000, 138412032 [pid 7177] <... openat resumed>) = 3 [pid 7174] <... munmap resumed>) = 0 [pid 7176] memfd_create("syzkaller", 0 [pid 7174] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7177] write(3, "1000", 4executing program [pid 7176] <... memfd_create resumed>) = 3 [pid 7174] close(3 [pid 7177] <... write resumed>) = 4 [pid 7177] close(3) = 0 [pid 7177] write(1, "executing program\n", 18 [pid 7173] <... write resumed>) = 1048576 [pid 7177] <... write resumed>) = 18 [pid 7177] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7177] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7175] <... write resumed>) = 1048576 [pid 7174] <... close resumed>) = 0 [pid 7173] munmap(0x7f3940e00000, 138412032 [pid 7177] <... mmap resumed>) = 0x7f3949327000 [pid 7176] <... mmap resumed>) = 0x7f3940e00000 [pid 7177] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7173] <... munmap resumed>) = 0 [pid 7177] <... mprotect resumed>) = 0 [pid 7176] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7175] munmap(0x7f3940e00000, 138412032 [pid 7174] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7176] <... write resumed>) = 1048576 [pid 7175] <... munmap resumed>) = 0 [pid 7174] <... futex resumed>) = 1 [pid 7173] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7170] <... futex resumed>) = 0 [pid 7177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7175] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7174] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] close(3 [pid 7170] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] <... futex resumed>) = 0 [pid 7174] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7176] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 7178 attached [pid 7175] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7174] <... openat resumed>) = 3 [pid 7173] <... close resumed>) = 0 [pid 7170] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7177] <... clone3 resumed> => {parent_tid=[7178]}, 88) = 7178 [pid 7173] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] rt_sigprocmask(SIG_SETMASK, [], [pid 7169] <... futex resumed>) = 0 [pid 7177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7173] <... futex resumed>) = 1 [pid 7169] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7169] <... futex resumed>) = 0 [pid 7177] <... futex resumed>) = 0 [pid 7178] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7177] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7176] <... munmap resumed>) = 0 [pid 7175] close(3 [pid 7174] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... openat resumed>) = 3 [pid 7169] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] <... rseq resumed>) = 0 [pid 7176] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7175] <... close resumed>) = 0 [pid 7174] <... futex resumed>) = 1 [pid 7173] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... futex resumed>) = 0 [pid 7169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] set_robust_list(0x7f39493479a0, 24 [pid 7173] <... futex resumed>) = 0 [pid 7170] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7169] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7176] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7170] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] <... futex resumed>) = 0 [pid 7176] close(3 [pid 7169] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7178] <... set_robust_list resumed>) = 0 [pid 7174] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7173] <... mmap resumed>) = 0x200000000000 [pid 7178] rt_sigprocmask(SIG_SETMASK, [], [pid 7174] <... mmap resumed>) = 0x200000000000 [pid 7178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7174] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] memfd_create("syzkaller", 0) = 3 [pid 7174] <... futex resumed>) = 1 [pid 7173] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... futex resumed>) = 0 [pid 7178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7174] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] <... futex resumed>) = 1 [pid 7170] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] <... futex resumed>) = 0 [pid 7178] <... mmap resumed>) = 0x7f3940e00000 [pid 7174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7173] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] <... futex resumed>) = 0 [pid 7169] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] ???( [pid 7169] <... futex resumed>) = 0 [pid 7176] <... close resumed>) = 0 [pid 7176] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] +++ killed by SIGBUS +++ [pid 7173] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7170] <... ??? resumed>) = ? [pid 7169] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7172] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7172] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] <... futex resumed>) = ? [pid 7176] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7175] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7173] +++ killed by SIGBUS +++ [pid 7176] <... openat resumed>) = 3 [pid 7171] <... futex resumed>) = 0 [pid 7169] +++ killed by SIGBUS +++ [pid 7176] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7171] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7169, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7176] <... futex resumed>) = 1 [pid 7175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7172] <... futex resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7172] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7172] <... futex resumed>) = 0 [pid 7176] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7175] <... openat resumed>) = 3 [pid 7172] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7175] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7175] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 7171] <... futex resumed>) = 1 [pid 7170] +++ killed by SIGBUS +++ [pid 7175] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7171] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7170, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7171] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] <... futex resumed>) = 0 [pid 7171] <... futex resumed>) = 1 [pid 7175] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7171] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] <... mmap resumed>) = 0x200000000000 [pid 7175] <... mmap resumed>) = 0x200000000000 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7178] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7176] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7176] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7178] <... write resumed>) = 1048576 [pid 7175] <... futex resumed>) = 1 [pid 7171] <... futex resumed>) = 0 [pid 7172] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7178] munmap(0x7f3940e00000, 138412032 [pid 7176] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7175] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] <... futex resumed>) = ? [pid 7171] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... munmap resumed>) = 0 [pid 7175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7171] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7171] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7175] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7171] <... futex resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7179 attached [pid 7178] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7176] +++ killed by SIGBUS +++ [pid 7175] +++ killed by SIGBUS +++ [pid 7172] +++ killed by SIGBUS +++ [pid 7171] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7179] set_robust_list(0x55558704b6a0, 24 [pid 7178] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7171, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7172, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7179] <... set_robust_list resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7178] close(3 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7179 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7180 attached [pid 7180] set_robust_list(0x55558704b6a0, 24 [pid 7179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7180] <... set_robust_list resumed>) = 0 [pid 7180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7179] <... prctl resumed>) = 0 [pid 7178] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7180 [pid 7180] <... prctl resumed>) = 0 [pid 7179] setpgid(0, 0 [pid 7180] setpgid(0, 0 [pid 7179] <... setpgid resumed>) = 0 [pid 7178] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... setpgid resumed>) = 0 [pid 7178] <... futex resumed>) = 1 [pid 7180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7178] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7180] <... openat resumed>) = 3 [pid 7177] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7180] write(3, "1000", 4 [pid 7177] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... write resumed>) = 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7178] <... futex resumed>) = 0 [pid 7177] <... futex resumed>) = 1 [pid 7180] close(3 [pid 7178] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7180] <... close resumed>) = 0 [pid 7178] <... openat resumed>) = 3 [pid 7180] write(1, "executing program\n", 18) = 18 [pid 7180] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7180] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7178] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7178] <... futex resumed>) = 0 [pid 7180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7178] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program ) = 0x7f3949327000 ./strace-static-x86_64: Process 7181 attached [pid 7179] <... openat resumed>) = 3 [pid 7177] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7179] write(3, "1000", 4 [pid 7177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7180] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7181 [pid 7180] <... mprotect resumed>) = 0 [pid 7180] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7177] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] <... write resumed>) = 4 [pid 7179] close(3 [pid 7177] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7182 attached [pid 7180] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7179] <... close resumed>) = 0 [pid 7178] <... futex resumed>) = 0 [pid 7177] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7182] set_robust_list(0x55558704b6a0, 24 [pid 7181] set_robust_list(0x55558704b6a0, 24 [pid 7180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7179] write(1, "executing program\n", 18 [pid 7178] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7182 ./strace-static-x86_64: Process 7183 attached [pid 7182] <... set_robust_list resumed>) = 0 [pid 7181] <... set_robust_list resumed>) = 0 [pid 7179] <... write resumed>) = 18 [pid 7178] <... mmap resumed>) = 0x200000000000 [pid 7182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7179] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7182] <... prctl resumed>) = 0 [pid 7181] <... prctl resumed>) = 0 [pid 7180] <... clone3 resumed> => {parent_tid=[7183]}, 88) = 7183 [pid 7179] <... futex resumed>) = 0 [pid 7178] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] <... rseq resumed>) = 0 [pid 7182] setpgid(0, 0 [pid 7181] setpgid(0, 0 [pid 7180] rt_sigprocmask(SIG_SETMASK, [], [pid 7179] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7177] <... futex resumed>) = 0 [pid 7183] set_robust_list(0x7f39493479a0, 24 [pid 7182] <... setpgid resumed>) = 0 [pid 7181] <... setpgid resumed>) = 0 [pid 7180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7179] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7178] <... futex resumed>) = 1 [pid 7177] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] <... set_robust_list resumed>) = 0 [pid 7182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7180] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7178] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7177] <... futex resumed>) = -1 (errno 18446744073709551602) [pid 7181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7183] rt_sigprocmask(SIG_SETMASK, [], [pid 7182] <... openat resumed>) = 3 [pid 7180] <... futex resumed>) = 0 [pid 7179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7180] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7179] <... mmap resumed>) = 0x7f3949327000 [pid 7183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7182] write(3, "1000", 4 [pid 7181] <... openat resumed>) = 3 [pid 7178] +++ killed by SIGBUS +++ [pid 7179] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7177] +++ killed by SIGBUS +++ [pid 7182] <... write resumed>) = 4 [pid 7179] <... mprotect resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7177, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7182] close(3 [pid 7179] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7183] memfd_create("syzkaller", 0 [pid 7182] <... close resumed>) = 0 [pid 7181] write(3, "1000", 4 [pid 7182] write(1, "executing program\n", 18executing program [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7182] <... write resumed>) = 18 [pid 7182] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7182] <... futex resumed>) = 0 [pid 7183] <... memfd_create resumed>) = 3 [pid 7182] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7181] <... write resumed>) = 4 [pid 7183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7182] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7181] close(3 [pid 7183] <... mmap resumed>) = 0x7f3940e00000 [pid 7182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7181] <... close resumed>) = 0 executing program [pid 7182] <... mmap resumed>) = 0x7f3949327000 ./strace-static-x86_64: Process 7184 attached [pid 7183] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7181] write(1, "executing program\n", 18 [pid 7179] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7184] set_robust_list(0x55558704b6a0, 24 [pid 7181] <... write resumed>) = 18 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7184 [pid 7184] <... set_robust_list resumed>) = 0 [pid 7181] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7181] <... futex resumed>) = 0 [pid 7184] <... prctl resumed>) = 0 [pid 7181] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7184] setpgid(0, 0 [pid 7182] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7181] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7179] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7185 attached [pid 7184] <... setpgid resumed>) = 0 [pid 7182] <... mprotect resumed>) = 0 [pid 7181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7185] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7182] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7179] <... clone3 resumed> => {parent_tid=[7185]}, 88) = 7185 [pid 7185] <... rseq resumed>) = 0 [pid 7184] <... openat resumed>) = 3 [pid 7182] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7179] rt_sigprocmask(SIG_SETMASK, [], [pid 7185] set_robust_list(0x7f39493479a0, 24 [pid 7184] write(3, "1000", 4 [pid 7182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7181] <... mmap resumed>) = 0x7f3949327000 [pid 7179] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7186 attached [pid 7185] <... set_robust_list resumed>) = 0 [pid 7184] <... write resumed>) = 4 [pid 7183] <... write resumed>) = 1048576 [pid 7181] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7179] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7182] <... clone3 resumed> => {parent_tid=[7186]}, 88) = 7186 executing program [pid 7186] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7185] rt_sigprocmask(SIG_SETMASK, [], [pid 7184] close(3 [pid 7181] <... mprotect resumed>) = 0 [pid 7186] <... rseq resumed>) = 0 [pid 7185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7184] <... close resumed>) = 0 [pid 7186] set_robust_list(0x7f39493479a0, 24 [pid 7184] write(1, "executing program\n", 18 [pid 7185] memfd_create("syzkaller", 0 [pid 7184] <... write resumed>) = 18 [pid 7179] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7182] rt_sigprocmask(SIG_SETMASK, [], [pid 7181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7186] <... set_robust_list resumed>) = 0 [pid 7184] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] rt_sigprocmask(SIG_SETMASK, [], [pid 7184] <... futex resumed>) = 0 [pid 7184] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7186] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... memfd_create resumed>) = 3 [pid 7181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7185] <... mmap resumed>) = 0x7f3940e00000 [pid 7184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7182] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7182] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = 0 [pid 7184] <... mmap resumed>) = 0x7f3949327000 [pid 7182] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7183] munmap(0x7f3940e00000, 138412032./strace-static-x86_64: Process 7187 attached [pid 7186] memfd_create("syzkaller", 0 [pid 7185] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7184] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7181] <... clone3 resumed> => {parent_tid=[7187]}, 88) = 7187 [pid 7187] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7186] <... memfd_create resumed>) = 3 [pid 7184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7183] <... munmap resumed>) = 0 [pid 7181] rt_sigprocmask(SIG_SETMASK, [], [pid 7186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7187] <... rseq resumed>) = 0 [pid 7187] set_robust_list(0x7f39493479a0, 24 [pid 7186] <... mmap resumed>) = 0x7f3940e00000 [pid 7187] <... set_robust_list resumed>) = 0 [pid 7183] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7187] rt_sigprocmask(SIG_SETMASK, [], [pid 7184] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7181] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7183] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7187] memfd_create("syzkaller", 0 [pid 7183] close(3 [pid 7187] <... memfd_create resumed>) = 3 [pid 7187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7186] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7181] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7188 attached [pid 7181] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7188] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7184] <... clone3 resumed> => {parent_tid=[7188]}, 88) = 7188 [pid 7183] <... close resumed>) = 0 [pid 7188] <... rseq resumed>) = 0 [pid 7184] rt_sigprocmask(SIG_SETMASK, [], [pid 7188] set_robust_list(0x7f39493479a0, 24 [pid 7184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7188] <... set_robust_list resumed>) = 0 [pid 7184] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] rt_sigprocmask(SIG_SETMASK, [], [pid 7184] <... futex resumed>) = 0 [pid 7188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7184] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7188] memfd_create("syzkaller", 0) = 3 [pid 7183] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7187] <... write resumed>) = 1048576 [pid 7186] <... write resumed>) = 1048576 [pid 7185] <... write resumed>) = 1048576 [pid 7183] <... futex resumed>) = 1 [pid 7180] <... futex resumed>) = 0 [pid 7188] <... mmap resumed>) = 0x7f3940e00000 [pid 7186] munmap(0x7f3940e00000, 138412032 [pid 7187] munmap(0x7f3940e00000, 138412032 [pid 7183] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... munmap resumed>) = 0 [pid 7183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7180] <... futex resumed>) = 0 [pid 7183] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7180] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] <... openat resumed>) = 3 [pid 7183] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7180] <... futex resumed>) = 0 [pid 7183] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7180] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7180] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] <... mmap resumed>) = 0x200000000000 [pid 7188] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7187] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7186] <... munmap resumed>) = 0 [pid 7185] munmap(0x7f3940e00000, 138412032 [pid 7187] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7186] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7185] <... munmap resumed>) = 0 [pid 7183] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] close(3) = 0 [pid 7186] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7183] <... futex resumed>) = 1 [pid 7180] <... futex resumed>) = 0 [pid 7185] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7185] close(3 [pid 7188] <... write resumed>) = 1048576 [pid 7186] close(3 [pid 7187] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] munmap(0x7f3940e00000, 138412032 [pid 7187] <... futex resumed>) = 1 [pid 7186] <... close resumed>) = 0 [pid 7185] <... close resumed>) = 0 [pid 7183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7181] <... futex resumed>) = 0 [pid 7181] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7181] <... futex resumed>) = 0 [pid 7180] <... futex resumed>) = 0 [pid 7185] <... futex resumed>) = 1 [pid 7181] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7179] <... futex resumed>) = 0 [pid 7188] <... munmap resumed>) = 0 [pid 7187] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7186] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] <... futex resumed>) = ? [pid 7179] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... openat resumed>) = 3 [pid 7185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7185] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7179] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7185] <... openat resumed>) = 3 [pid 7185] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] <... futex resumed>) = 0 [pid 7185] <... futex resumed>) = 1 [pid 7179] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7179] <... futex resumed>) = 0 [pid 7185] <... mmap resumed>) = 0x200000000000 [pid 7179] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7185] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7187] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... futex resumed>) = 1 [pid 7183] +++ killed by SIGBUS +++ [pid 7182] <... futex resumed>) = 0 [pid 7180] +++ killed by SIGBUS +++ [pid 7188] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7187] <... futex resumed>) = 1 [pid 7186] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... futex resumed>) = 1 [pid 7182] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = 0 [pid 7179] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7180, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7188] close(3 [pid 7187] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7182] <... futex resumed>) = 0 [pid 7181] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7182] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... futex resumed>) = 0 [pid 7179] <... futex resumed>) = 0 [pid 7187] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7186] <... openat resumed>) = 3 [pid 7185] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7181] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7179] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7187] <... mmap resumed>) = 0x200000000000 [pid 7186] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... close resumed>) = 0 [pid 7187] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... futex resumed>) = 1 [pid 7185] +++ killed by SIGBUS +++ [pid 7182] <... futex resumed>) = 0 [pid 7179] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7188] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... futex resumed>) = 1 [pid 7186] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7182] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7179, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7188] <... futex resumed>) = 1 [pid 7187] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7184] <... futex resumed>) = 0 [pid 7182] <... futex resumed>) = 0 [pid 7181] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7188] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7184] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] <... futex resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7187] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7186] <... mmap resumed>) = 0x200000000000 [pid 7184] <... futex resumed>) = 0 [pid 7181] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7188] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7186] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... openat resumed>) = 3 [pid 7184] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7190 attached [pid 7188] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] <... futex resumed>) = 1 [pid 7184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7182] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = ? [pid 5829] <... restart_syscall resumed>) = 0 [pid 7190] set_robust_list(0x55558704b6a0, 24 [pid 7188] <... futex resumed>) = 0 [pid 7187] +++ killed by SIGBUS +++ [pid 7186] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7184] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7190 [pid 7190] <... set_robust_list resumed>) = 0 [pid 7188] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7184] <... futex resumed>) = 0 [pid 7181] +++ killed by SIGBUS +++ [pid 7190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7188] <... mmap resumed>) = 0x200000000000 [pid 7186] +++ killed by SIGBUS +++ [pid 7184] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7182] +++ killed by SIGBUS +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7181, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7190] <... prctl resumed>) = 0 [pid 7188] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7182, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 7191 attached [pid 7190] setpgid(0, 0 [pid 7188] <... futex resumed>) = 0 [pid 7184] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7188] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7184] <... futex resumed>) = 0 [pid 7191] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7190] <... setpgid resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7191 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7188] +++ killed by SIGBUS +++ [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7190] <... openat resumed>) = 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7184] +++ killed by SIGBUS +++ [pid 7191] <... prctl resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7184, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7190] write(3, "1000", 4 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7192 attached [pid 7191] setpgid(0, 0 [pid 7190] <... write resumed>) = 4 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7191] <... setpgid resumed>) = 0 [pid 7190] close(3) = 0 executing program [pid 7191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7192] set_robust_list(0x55558704b6a0, 24 [pid 7190] write(1, "executing program\n", 18 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7190] <... write resumed>) = 18 ./strace-static-x86_64: Process 7193 attached [pid 7192] <... set_robust_list resumed>) = 0 [pid 7191] <... openat resumed>) = 3 [pid 7190] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7192 [pid 7190] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7190] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7193] set_robust_list(0x55558704b6a0, 24 [pid 7192] <... prctl resumed>) = 0 [pid 7191] write(3, "1000", 4 [pid 7193] <... set_robust_list resumed>) = 0 [pid 7192] setpgid(0, 0 [pid 7191] <... write resumed>) = 4 [pid 7190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7191] close(3 [pid 7190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7192] <... setpgid resumed>) = 0 [pid 7191] <... close resumed>) = 0 [pid 7190] <... mmap resumed>) = 0x7f3949327000 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7193 [pid 7190] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7193] <... prctl resumed>) = 0 [pid 7192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7191] write(1, "executing program\n", 18executing program [pid 5827] <... restart_syscall resumed>) = 0 [pid 7191] <... write resumed>) = 18 [pid 7191] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7191] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7191] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7193] setpgid(0, 0 [pid 7192] <... openat resumed>) = 3 [pid 7190] <... mprotect resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7193] <... setpgid resumed>) = 0 [pid 7192] write(3, "1000", 4 [pid 7193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7192] <... write resumed>) = 4 [pid 7191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7190] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7194 attached [pid 7193] <... openat resumed>) = 3 [pid 7192] close(3 [pid 7190] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7195 attached [pid 7194] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7191] <... clone3 resumed> => {parent_tid=[7194]}, 88) = 7194 [pid 7194] <... rseq resumed>) = 0 [pid 7191] rt_sigprocmask(SIG_SETMASK, [], [pid 7195] set_robust_list(0x55558704b6a0, 24 [pid 7194] set_robust_list(0x7f39493479a0, 24 [pid 7191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7195 [pid 7195] <... set_robust_list resumed>) = 0 [pid 7194] <... set_robust_list resumed>) = 0 [pid 7191] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] rt_sigprocmask(SIG_SETMASK, [], [pid 7193] write(3, "1000", 4 [pid 7192] <... close resumed>) = 0 [pid 7191] <... futex resumed>) = 0 [pid 7190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7194] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7193] <... write resumed>) = 4 [pid 7192] write(1, "executing program\n", 18 [pid 7191] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7196 attached [pid 7195] <... prctl resumed>) = 0 [pid 7194] memfd_create("syzkaller", 0 [pid 7193] close(3 [pid 7192] <... write resumed>) = 18 [pid 7195] setpgid(0, 0) = 0 [pid 7196] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7194] <... memfd_create resumed>) = 3 [pid 7193] <... close resumed>) = 0 [pid 7192] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... clone3 resumed> => {parent_tid=[7196]}, 88) = 7196 executing program [pid 7196] <... rseq resumed>) = 0 [pid 7193] write(1, "executing program\n", 18 [pid 7192] <... futex resumed>) = 0 [pid 7196] set_robust_list(0x7f39493479a0, 24 [pid 7194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7193] <... write resumed>) = 18 [pid 7192] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7190] rt_sigprocmask(SIG_SETMASK, [], [pid 7196] <... set_robust_list resumed>) = 0 [pid 7195] <... openat resumed>) = 3 [pid 7194] <... mmap resumed>) = 0x7f3940e00000 [pid 7193] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7196] rt_sigprocmask(SIG_SETMASK, [], [pid 7193] <... futex resumed>) = 0 [pid 7192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7190] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7193] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7190] <... futex resumed>) = 0 [pid 7196] memfd_create("syzkaller", 0 [pid 7193] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7192] <... mmap resumed>) = 0x7f3949327000 [pid 7190] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7196] <... memfd_create resumed>) = 3 [pid 7193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7192] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7192] <... mprotect resumed>) = 0 [pid 7196] <... mmap resumed>) = 0x7f3940e00000 [pid 7193] <... mmap resumed>) = 0x7f3949327000 [pid 7195] write(3, "1000", 4 [pid 7194] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7193] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7195] <... write resumed>) = 4 executing program [pid 7193] <... mprotect resumed>) = 0 [pid 7195] close(3) = 0 [pid 7195] write(1, "executing program\n", 18 [pid 7193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7196] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7195] <... write resumed>) = 18 [pid 7194] <... write resumed>) = 1048576 [pid 7193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7195] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] munmap(0x7f3940e00000, 138412032 [pid 7193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7197 attached [pid 7195] <... futex resumed>) = 0 [pid 7195] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7192] <... clone3 resumed> => {parent_tid=[7197]}, 88) = 7197 ./strace-static-x86_64: Process 7198 attached [pid 7197] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7193] <... clone3 resumed> => {parent_tid=[7198]}, 88) = 7198 [pid 7192] rt_sigprocmask(SIG_SETMASK, [], [pid 7198] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7197] <... rseq resumed>) = 0 [pid 7195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7194] <... munmap resumed>) = 0 [pid 7193] rt_sigprocmask(SIG_SETMASK, [], [pid 7192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] <... rseq resumed>) = 0 [pid 7195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] set_robust_list(0x7f39493479a0, 24 [pid 7195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7194] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7198] <... set_robust_list resumed>) = 0 [pid 7195] <... mmap resumed>) = 0x7f3949327000 [pid 7192] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] rt_sigprocmask(SIG_SETMASK, [], [pid 7192] <... futex resumed>) = 0 [pid 7198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7195] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7194] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7192] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7198] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] <... mprotect resumed>) = 0 [pid 7194] close(3 [pid 7197] set_robust_list(0x7f39493479a0, 24 [pid 7193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7197] <... set_robust_list resumed>) = 0 [pid 7193] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] rt_sigprocmask(SIG_SETMASK, [], [pid 7193] <... futex resumed>) = 1 [pid 7197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7193] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7197] memfd_create("syzkaller", 0) = 3 [pid 7197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7198] <... futex resumed>) = 0 [pid 7195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7194] <... close resumed>) = 0 [pid 7198] memfd_create("syzkaller", 0 [pid 7195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} => {parent_tid=[7199]}, 88) = 7199 [pid 7198] <... memfd_create resumed>) = 3 [pid 7198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7195] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7195] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7199 attached [pid 7198] <... mmap resumed>) = 0x7f3940e00000 [pid 7197] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7196] <... write resumed>) = 1048576 [pid 7195] <... futex resumed>) = 0 [pid 7194] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7195] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7199] <... rseq resumed>) = 0 [pid 7196] munmap(0x7f3940e00000, 138412032 [pid 7194] <... futex resumed>) = 1 [pid 7196] <... munmap resumed>) = 0 [pid 7191] <... futex resumed>) = 0 [pid 7194] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7191] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] set_robust_list(0x7f39493479a0, 24 [pid 7196] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7194] <... openat resumed>) = 3 [pid 7199] <... set_robust_list resumed>) = 0 [pid 7194] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = 0 [pid 7199] rt_sigprocmask(SIG_SETMASK, [], [pid 7196] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7194] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7196] close(3 [pid 7191] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7191] <... futex resumed>) = 1 [pid 7199] memfd_create("syzkaller", 0 [pid 7194] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7194] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7194] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... futex resumed>) = 0 [pid 7191] <... futex resumed>) = 1 [pid 7194] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7194] +++ killed by SIGBUS +++ [pid 7199] <... memfd_create resumed>) = 3 [pid 7198] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7197] <... write resumed>) = 1048576 [pid 7191] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7191, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7197] munmap(0x7f3940e00000, 138412032 [pid 7199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7198] <... write resumed>) = 1048576 [pid 7196] <... close resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7199] <... mmap resumed>) = 0x7f3940e00000 [pid 7198] munmap(0x7f3940e00000, 138412032 [pid 7197] <... munmap resumed>) = 0 [pid 7196] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7196] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7190] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7197] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7190] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7197] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7196] <... futex resumed>) = 0 [pid 7190] <... futex resumed>) = 1 [pid 7196] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7198] <... munmap resumed>) = 0 [pid 7197] close(3 [pid 7196] <... openat resumed>) = 3 [pid 7190] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7198] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7200 attached [pid 7199] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7198] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7196] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] close(3 [pid 7196] <... futex resumed>) = 1 [pid 7190] <... futex resumed>) = 0 [pid 7196] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7190] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... mmap resumed>) = 0x200000000000 [pid 7190] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7200 [pid 7200] set_robust_list(0x55558704b6a0, 24 [pid 7190] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7200] <... set_robust_list resumed>) = 0 [pid 7196] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7196] <... futex resumed>) = 1 [pid 7190] <... futex resumed>) = 0 [pid 7200] <... prctl resumed>) = 0 [pid 7196] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7190] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] setpgid(0, 0 [pid 7190] <... futex resumed>) = ? [pid 7200] <... setpgid resumed>) = 0 [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7198] <... close resumed>) = 0 [pid 7196] +++ killed by SIGBUS +++ [pid 7190] +++ killed by SIGBUS +++ [pid 7200] <... openat resumed>) = 3 [pid 7200] write(3, "1000", 4) = 4 [pid 7200] close(3) = 0 [pid 7200] write(1, "executing program\n", 18executing program [pid 7199] <... write resumed>) = 1048576 [pid 7198] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... close resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7190, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7200] <... write resumed>) = 18 [pid 7199] munmap(0x7f3940e00000, 138412032 [pid 7197] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7200] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... munmap resumed>) = 0 [pid 7198] <... futex resumed>) = 1 [pid 7197] <... futex resumed>) = 1 [pid 7193] <... futex resumed>) = 0 [pid 7192] <... futex resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7200] <... futex resumed>) = 0 [pid 7198] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7193] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7193] <... futex resumed>) = 0 [pid 7192] <... futex resumed>) = 0 [pid 7200] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7199] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7198] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7197] <... openat resumed>) = 3 [pid 7193] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7192] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7199] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7198] <... openat resumed>) = 3 [pid 7197] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7198] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7198] <... futex resumed>) = 1 [pid 7197] <... futex resumed>) = 1 [pid 7193] <... futex resumed>) = 0 [pid 7192] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7200] <... mmap resumed>) = 0x7f3949327000 [pid 7199] close(3 [pid 7198] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7193] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7200] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... futex resumed>) = 0 [pid 7200] <... mprotect resumed>) = 0 [pid 7197] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7192] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7193] <... futex resumed>) = 0 [pid 7198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7198] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7193] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7201 attached [pid 7200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7199] <... close resumed>) = 0 [pid 7198] <... mmap resumed>) = 0x200000000000 [pid 7197] <... mmap resumed>) = 0x200000000000 [pid 7200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7198] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] set_robust_list(0x55558704b6a0, 24 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7201 [pid 7201] <... set_robust_list resumed>) = 0 [pid 7198] <... futex resumed>) = 1 [pid 7193] <... futex resumed>) = 0 [pid 7193] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7193] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7202 attached [pid 7201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7200] <... clone3 resumed> => {parent_tid=[7202]}, 88) = 7202 [pid 7202] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7197] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... rseq resumed>) = 0 [pid 7201] setpgid(0, 0 [pid 7200] rt_sigprocmask(SIG_SETMASK, [], [pid 7198] +++ killed by SIGBUS +++ [pid 7197] <... futex resumed>) = 1 [pid 7192] <... futex resumed>) = 0 [pid 7202] set_robust_list(0x7f39493479a0, 24 [pid 7201] <... setpgid resumed>) = 0 [pid 7200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7199] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7193] +++ killed by SIGBUS +++ [pid 7192] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... set_robust_list resumed>) = 0 [pid 7201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7200] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = 1 [pid 7197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7192] <... futex resumed>) = 0 [pid 7202] rt_sigprocmask(SIG_SETMASK, [], [pid 7201] <... openat resumed>) = 3 [pid 7200] <... futex resumed>) = 0 [pid 7199] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7195] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7193, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7201] write(3, "1000", 4 [pid 7200] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7192] <... futex resumed>) = ? [pid 7202] memfd_create("syzkaller", 0 [pid 7201] <... write resumed>) = 4 [pid 7199] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7197] +++ killed by SIGBUS +++ [pid 7195] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7192] +++ killed by SIGBUS +++ [pid 7202] <... memfd_create resumed>) = 3 [pid 7201] close(3 [pid 7199] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7192, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7201] <... close resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7201] write(1, "executing program\n", 18 [pid 7199] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5832] <... restart_syscall resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7201] <... write resumed>) = 18 [pid 7202] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7201] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = 1 [pid 7195] <... futex resumed>) = 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7201] <... futex resumed>) = 0 [pid 7195] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7195] <... futex resumed>) = 0 [pid 7199] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7201] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7199] <... mmap resumed>) = 0x200000000000 [pid 7195] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7199] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7203 attached [pid 7202] <... write resumed>) = 1048576 [pid 7201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7199] <... futex resumed>) = 1 [pid 7195] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7202] munmap(0x7f3940e00000, 138412032 [pid 7201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7199] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... munmap resumed>) = 0 [pid 7201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7204 attached [pid 7203] set_robust_list(0x55558704b6a0, 24 [pid 7201] <... mmap resumed>) = 0x7f3949327000 [pid 7199] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7203 [pid 7204] set_robust_list(0x55558704b6a0, 24 [pid 7203] <... set_robust_list resumed>) = 0 [pid 7201] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7204 [pid 7204] <... set_robust_list resumed>) = 0 [pid 7203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7202] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7201] <... mprotect resumed>) = 0 [pid 7199] +++ killed by SIGBUS +++ [pid 7195] +++ killed by SIGBUS +++ [pid 7201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7203] <... prctl resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7195, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7203] setpgid(0, 0 [pid 7202] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7203] <... setpgid resumed>) = 0 [pid 7202] close(3 [pid 7201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7204] <... prctl resumed>) = 0 [pid 7203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7204] setpgid(0, 0 [pid 7201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7204] <... setpgid resumed>) = 0 [pid 7204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7205 attached [pid 7204] write(3, "1000", 4 [pid 7203] <... openat resumed>) = 3 [pid 7202] <... close resumed>) = 0 [pid 7201] <... clone3 resumed> => {parent_tid=[7205]}, 88) = 7205 [pid 7205] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7204] <... write resumed>) = 4 [pid 7202] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... rseq resumed>) = 0 [pid 7204] close(3 [pid 7203] write(3, "1000", 4 [pid 7202] <... futex resumed>) = 1 [pid 7201] rt_sigprocmask(SIG_SETMASK, [], [pid 7200] <... futex resumed>) = 0 [pid 7205] set_robust_list(0x7f39493479a0, 24 [pid 7204] <... close resumed>) = 0 [pid 7203] <... write resumed>) = 4 [pid 7202] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7201] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7200] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... set_robust_list resumed>) = 0 [pid 7204] write(1, "executing program\n", 18 [pid 7203] close(3 [pid 7202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7201] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... futex resumed>) = 0 [pid 7205] rt_sigprocmask(SIG_SETMASK, [], [pid 7204] <... write resumed>) = 18 [pid 7202] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7200] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7202] <... openat resumed>) = 3 [pid 7202] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7204] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... close resumed>) = 0 [pid 7201] <... futex resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7205] memfd_create("syzkaller", 0 [pid 7204] <... futex resumed>) = 0 [pid 7203] write(1, "executing program\n", 18executing program [pid 7202] <... futex resumed>) = 1 [pid 7201] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7200] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7205] <... memfd_create resumed>) = 3 [pid 7204] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7203] <... write resumed>) = 18 [pid 7202] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7200] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7206 attached [pid 7205] <... mmap resumed>) = 0x7f3940e00000 [pid 7204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7203] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7203] <... futex resumed>) = 0 [pid 7202] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7206] set_robust_list(0x55558704b6a0, 24 [pid 7204] <... mmap resumed>) = 0x7f3949327000 [pid 7203] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7202] <... mmap resumed>) = 0x200000000000 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7206 [pid 7206] <... set_robust_list resumed>) = 0 [pid 7205] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7204] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7203] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7202] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7203] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7202] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7206] <... prctl resumed>) = 0 [pid 7204] <... mprotect resumed>) = 0 [pid 7203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7202] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7200] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] setpgid(0, 0 [pid 7203] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7200] <... futex resumed>) = 9 [pid 7206] <... setpgid resumed>) = 0 [pid 7203] <... mmap resumed>) = 0x7f3949327000 [pid 7206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7204] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7203] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7202] +++ killed by SIGBUS +++ [pid 7200] +++ killed by SIGBUS +++ [pid 7204] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7203] <... mprotect resumed>) = 0 [pid 7204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7200, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 7207 attached [pid 7206] <... openat resumed>) = 3 [pid 7203] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7207] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7203] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7207] set_robust_list(0x7f39493479a0, 24 [pid 7206] write(3, "1000", 4 [pid 7205] <... write resumed>) = 1048576 [pid 7204] <... clone3 resumed> => {parent_tid=[7207]}, 88) = 7207 [pid 7203] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5829] <... restart_syscall resumed>) = 0 [pid 7207] <... set_robust_list resumed>) = 0 [pid 7205] munmap(0x7f3940e00000, 138412032 [pid 7204] rt_sigprocmask(SIG_SETMASK, [], [pid 7207] rt_sigprocmask(SIG_SETMASK, [], [pid 7204] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7208 attached [pid 7207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7206] <... write resumed>) = 4 [pid 7204] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7206] close(3 [pid 7203] <... clone3 resumed> => {parent_tid=[7208]}, 88) = 7208 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7208] <... rseq resumed>) = 0 [pid 7207] memfd_create("syzkaller", 0 [pid 7206] <... close resumed>) = 0 [pid 7204] <... futex resumed>) = 0 [pid 7203] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 7208] set_robust_list(0x7f39493479a0, 24 [pid 7207] <... memfd_create resumed>) = 3 [pid 7206] write(1, "executing program\n", 18 [pid 7204] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7208] <... set_robust_list resumed>) = 0 [pid 7207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7206] <... write resumed>) = 18 [pid 7205] <... munmap resumed>) = 0 [pid 7203] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7208] rt_sigprocmask(SIG_SETMASK, [], [pid 7207] <... mmap resumed>) = 0x7f3940e00000 [pid 7206] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... futex resumed>) = 0 [pid 7208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7206] <... futex resumed>) = 0 [pid 7203] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7208] memfd_create("syzkaller", 0 [pid 7206] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7208] <... memfd_create resumed>) = 3 [pid 7206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7208] <... mmap resumed>) = 0x7f3940e00000 ./strace-static-x86_64: Process 7209 attached [pid 7207] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7206] <... mmap resumed>) = 0x7f3949327000 [pid 7205] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7209] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7206] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7205] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7209 [pid 7209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7206] <... mprotect resumed>) = 0 [pid 7205] close(3 [pid 7209] <... prctl resumed>) = 0 [pid 7209] setpgid(0, 0 [pid 7207] <... write resumed>) = 1048576 [pid 7205] <... close resumed>) = 0 [pid 7209] <... setpgid resumed>) = 0 [pid 7207] munmap(0x7f3940e00000, 138412032 [pid 7209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7206] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7207] <... munmap resumed>) = 0 [pid 7206] <... clone3 resumed> => {parent_tid=[7210]}, 88) = 7210 [pid 7206] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7210 attached [pid 7209] <... openat resumed>) = 3 [pid 7207] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7210] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7209] write(3, "1000", 4 [pid 7210] <... rseq resumed>) = 0 [pid 7209] <... write resumed>) = 4 [pid 7206] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] set_robust_list(0x7f39493479a0, 24 [pid 7209] close(3 [pid 7207] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7206] <... futex resumed>) = 0 [pid 7209] <... close resumed>) = 0 executing program [pid 7210] <... set_robust_list resumed>) = 0 [pid 7207] close(3 [pid 7209] write(1, "executing program\n", 18 [pid 7210] rt_sigprocmask(SIG_SETMASK, [], [pid 7208] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7206] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7205] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7205] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7201] <... futex resumed>) = 0 [pid 7201] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... futex resumed>) = 0 [pid 7205] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7205] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7205] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7201] <... futex resumed>) = 1 [pid 7201] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7207] <... close resumed>) = 0 [pid 7201] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7209] <... write resumed>) = 18 [pid 7205] <... futex resumed>) = 0 [pid 7201] <... futex resumed>) = 1 [pid 7205] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7210] memfd_create("syzkaller", 0) = 3 [pid 7209] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... mmap resumed>) = 0x200000000000 [pid 7201] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7209] <... futex resumed>) = 0 [pid 7207] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... mmap resumed>) = 0x7f3940e00000 [pid 7209] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7207] <... futex resumed>) = 1 [pid 7205] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7205] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7201] <... futex resumed>) = 0 [pid 7201] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... futex resumed>) = 0 [pid 7201] <... futex resumed>) = 1 [pid 7205] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7207] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7205] +++ killed by SIGBUS +++ [pid 7209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7204] <... futex resumed>) = 0 [pid 7209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7204] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] +++ killed by SIGBUS +++ [pid 7209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7201, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7209] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7207] <... futex resumed>) = 0 [pid 7204] <... futex resumed>) = 1 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7209] <... mprotect resumed>) = 0 [pid 7207] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7204] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7207] <... openat resumed>) = 3 [pid 7209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7207] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7207] <... futex resumed>) = 1 [pid 7204] <... futex resumed>) = 0 [pid 7204] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... clone3 resumed> => {parent_tid=[7211]}, 88) = 7211 [pid 7207] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7204] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7211 attached [pid 7210] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7209] rt_sigprocmask(SIG_SETMASK, [], [pid 7208] <... write resumed>) = 1048576 [pid 7207] <... mmap resumed>) = 0x200000000000 [pid 7204] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7207] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7209] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... futex resumed>) = 0 [pid 7204] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... futex resumed>) = 0 [pid 7207] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7204] <... futex resumed>) = 0 [pid 7209] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7211] <... rseq resumed>) = 0 [pid 7211] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7211] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7208] munmap(0x7f3940e00000, 138412032 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7211] memfd_create("syzkaller", 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7211] <... memfd_create resumed>) = 3 [pid 7210] <... write resumed>) = 1048576 [pid 7208] <... munmap resumed>) = 0 [pid 7207] +++ killed by SIGBUS +++ [pid 7204] +++ killed by SIGBUS +++ [pid 7211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7210] munmap(0x7f3940e00000, 138412032 [pid 7211] <... mmap resumed>) = 0x7f3940e00000 ./strace-static-x86_64: Process 7212 attached [pid 7210] <... munmap resumed>) = 0 [pid 7208] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7204, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7212] set_robust_list(0x55558704b6a0, 24 [pid 7210] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7208] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7212 [pid 7212] <... set_robust_list resumed>) = 0 [pid 7210] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7208] close(3 [pid 7211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7210] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7212] <... prctl resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7212] setpgid(0, 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7213 ./strace-static-x86_64: Process 7213 attached [pid 7212] <... setpgid resumed>) = 0 [pid 7213] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7213] setpgid(0, 0) = 0 [pid 7213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7213] write(3, "1000", 4) = 4 [pid 7213] close(3 executing program [pid 7212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7213] <... close resumed>) = 0 [pid 7213] write(1, "executing program\n", 18) = 18 [pid 7212] <... openat resumed>) = 3 [pid 7213] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7212] write(3, "1000", 4 [pid 7213] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7212] <... write resumed>) = 4 [pid 7213] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7212] close(3 [pid 7213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7212] <... close resumed>) = 0 [pid 7212] write(1, "executing program\n", 18executing program [pid 7213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7213] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7212] <... write resumed>) = 18 [pid 7213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7212] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7212] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7214 attached [pid 7214] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7214] set_robust_list(0x7f39493479a0, 24 [pid 7213] <... clone3 resumed> => {parent_tid=[7214]}, 88) = 7214 [pid 7212] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7211] <... write resumed>) = 1048576 [pid 7210] <... close resumed>) = 0 [pid 7208] <... close resumed>) = 0 [pid 7214] <... set_robust_list resumed>) = 0 [pid 7213] rt_sigprocmask(SIG_SETMASK, [], [pid 7212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7214] rt_sigprocmask(SIG_SETMASK, [], [pid 7213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7211] munmap(0x7f3940e00000, 138412032 [pid 7210] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7213] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7211] <... munmap resumed>) = 0 [pid 7210] <... futex resumed>) = 1 [pid 7208] <... futex resumed>) = 1 [pid 7206] <... futex resumed>) = 0 [pid 7203] <... futex resumed>) = 0 [pid 7214] memfd_create("syzkaller", 0 [pid 7213] <... futex resumed>) = 0 [pid 7212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7206] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7206] <... futex resumed>) = 0 [pid 7203] <... futex resumed>) = 0 [pid 7212] <... mmap resumed>) = 0x7f3949327000 [pid 7210] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7208] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7206] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7203] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] <... memfd_create resumed>) = 3 [pid 7213] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7212] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7211] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7210] <... openat resumed>) = 3 [pid 7208] <... openat resumed>) = 3 [pid 7214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7212] <... mprotect resumed>) = 0 [pid 7214] <... mmap resumed>) = 0x7f3940e00000 [pid 7208] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7203] <... futex resumed>) = 0 [pid 7212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7211] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7210] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7211] close(3 [pid 7210] <... futex resumed>) = 1 [pid 7208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7206] <... futex resumed>) = 0 [pid 7203] <... futex resumed>) = 0 [pid 7212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7208] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7206] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7215 attached [pid 7210] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7206] <... futex resumed>) = 0 [pid 7203] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7215] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7212] <... clone3 resumed> => {parent_tid=[7215]}, 88) = 7215 [pid 7210] <... mmap resumed>) = 0x200000000000 [pid 7208] <... mmap resumed>) = 0x200000000000 [pid 7206] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7215] <... rseq resumed>) = 0 [pid 7212] rt_sigprocmask(SIG_SETMASK, [], [pid 7210] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7215] set_robust_list(0x7f39493479a0, 24 [pid 7212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7211] <... close resumed>) = 0 [pid 7210] <... futex resumed>) = 0 [pid 7206] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... set_robust_list resumed>) = 0 [pid 7212] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7208] <... futex resumed>) = 1 [pid 7206] <... futex resumed>) = 1 [pid 7203] <... futex resumed>) = 0 [pid 7215] rt_sigprocmask(SIG_SETMASK, [], [pid 7212] <... futex resumed>) = 0 [pid 7203] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7212] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7211] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] +++ killed by SIGBUS +++ [pid 7208] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7206] +++ killed by SIGBUS +++ [pid 7203] <... futex resumed>) = 0 [pid 7215] memfd_create("syzkaller", 0 [pid 7211] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7206, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7215] <... memfd_create resumed>) = 3 [pid 7214] <... write resumed>) = 1048576 [pid 7211] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] +++ killed by SIGBUS +++ [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7214] munmap(0x7f3940e00000, 138412032 [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7209] <... futex resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7211] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7209] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... openat resumed>) = 3 [pid 7203] +++ killed by SIGBUS +++ [pid 7215] <... mmap resumed>) = 0x7f3940e00000 [pid 7211] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7211] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7203, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 7211] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7214] <... munmap resumed>) = 0 [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7209] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7216 attached [pid 7209] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7216] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7214] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7211] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7216 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7214] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7216] <... prctl resumed>) = 0 [pid 7214] close(3 [pid 7216] setpgid(0, 0 [pid 7211] <... mmap resumed>) = 0x200000000000 [pid 7216] <... setpgid resumed>) = 0 [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7214] <... close resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7216] <... openat resumed>) = 3 [pid 7216] write(3, "1000", 4) = 4 [pid 7216] close(3) = 0 executing program [pid 7216] write(1, "executing program\n", 18) = 18 [pid 7216] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 0 [pid 7216] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7209] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7216] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7209] <... futex resumed>) = ? [pid 7216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7211] +++ killed by SIGBUS +++ [pid 7216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7216] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7209] +++ killed by SIGBUS +++ ./strace-static-x86_64: Process 7217 attached [pid 7217] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7218 attached [pid 7217] setpgid(0, 0 [pid 7218] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7217] <... setpgid resumed>) = 0 [pid 7218] <... rseq resumed>) = 0 [pid 7216] <... clone3 resumed> => {parent_tid=[7218]}, 88) = 7218 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7209, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7217 [pid 7218] set_robust_list(0x7f39493479a0, 24 [pid 7217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7216] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7215] <... write resumed>) = 1048576 [pid 7218] <... set_robust_list resumed>) = 0 [pid 7216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7216] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7216] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7218] rt_sigprocmask(SIG_SETMASK, [], [pid 7217] <... openat resumed>) = 3 [pid 7215] munmap(0x7f3940e00000, 138412032 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7214] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] memfd_create("syzkaller", 0 [pid 7217] write(3, "1000", 4 [pid 7215] <... munmap resumed>) = 0 [pid 7214] <... futex resumed>) = 1 [pid 7217] <... write resumed>) = 4 [pid 7218] <... memfd_create resumed>) = 3 [pid 7217] close(3 [pid 7218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7217] <... close resumed>) = 0 [pid 7218] <... mmap resumed>) = 0x7f3940e00000 [pid 7215] openat(AT_FDCWD, "/dev/loop2", O_RDWR executing program [pid 7217] write(1, "executing program\n", 18 [pid 7215] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7214] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] <... futex resumed>) = 0 [pid 7217] <... write resumed>) = 18 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7213] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] close(3 [pid 7217] <... futex resumed>) = 0 [pid 7214] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7213] <... futex resumed>) = 0 [pid 7214] <... openat resumed>) = 3 [pid 7213] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7214] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7213] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7214] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7213] <... futex resumed>) = 0 [pid 7214] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7213] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7214] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 7219 attached [pid 7217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7219] set_robust_list(0x55558704b6a0, 24 [pid 7217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7214] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... set_robust_list resumed>) = 0 [pid 7217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7214] <... futex resumed>) = 1 [pid 7213] <... futex resumed>) = 0 [pid 7217] <... mmap resumed>) = 0x7f3949327000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7219 [pid 7217] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7214] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... mprotect resumed>) = 0 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7213] <... futex resumed>) = 0 [pid 7219] <... prctl resumed>) = 0 [pid 7217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7214] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7213] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] setpgid(0, 0 [pid 7217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7213] <... futex resumed>) = ? [pid 7219] <... setpgid resumed>) = 0 [pid 7218] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7215] <... close resumed>) = 0 [pid 7214] +++ killed by SIGBUS +++ [pid 7219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7215] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... clone3 resumed> => {parent_tid=[7220]}, 88) = 7220 [pid 7215] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7220 attached [pid 7219] <... openat resumed>) = 3 [pid 7217] rt_sigprocmask(SIG_SETMASK, [], [pid 7215] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] +++ killed by SIGBUS +++ [pid 7212] <... futex resumed>) = 0 [pid 7220] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7212] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7213, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 7220] <... rseq resumed>) = 0 [pid 7219] write(3, "1000", 4 [pid 7217] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7212] <... futex resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7220] set_robust_list(0x7f39493479a0, 24 [pid 7219] <... write resumed>) = 4 [pid 7217] <... futex resumed>) = 0 [pid 7215] <... openat resumed>) = 3 [pid 7212] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 7220] <... set_robust_list resumed>) = 0 [pid 7219] close(3 [pid 7217] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7215] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] rt_sigprocmask(SIG_SETMASK, [], [pid 7219] <... close resumed>) = 0 [pid 7218] <... write resumed>) = 1048576 [pid 7215] <... futex resumed>) = 0 [pid 7212] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7212] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7220] memfd_create("syzkaller", 0 [pid 7219] write(1, "executing program\n", 18 [pid 7212] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7220] <... memfd_create resumed>) = 3 [pid 7215] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7218] munmap(0x7f3940e00000, 138412032 [pid 7220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7219] <... write resumed>) = 18 [pid 7215] <... mmap resumed>) = 0x200000000000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7220] <... mmap resumed>) = 0x7f3940e00000 [pid 7219] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7221 attached [pid 7219] <... futex resumed>) = 0 [pid 7215] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7218] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7215] <... futex resumed>) = 1 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7221 [pid 7219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7218] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7215] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7212] <... futex resumed>) = 0 [pid 7219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7212] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] set_robust_list(0x55558704b6a0, 24 [pid 7219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7218] close(3 [pid 7215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7212] <... futex resumed>) = 0 [pid 7221] <... set_robust_list resumed>) = 0 [pid 7219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7215] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7219] <... mmap resumed>) = 0x7f3949327000 [pid 7219] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7220] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7218] <... close resumed>) = 0 [pid 7221] <... prctl resumed>) = 0 [pid 7219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7218] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] +++ killed by SIGBUS +++ [pid 7212] +++ killed by SIGBUS +++ [pid 7221] setpgid(0, 0 [pid 7219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7218] <... futex resumed>) = 1 [pid 7216] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7222 attached [pid 7221] <... setpgid resumed>) = 0 [pid 7218] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7216] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] <... clone3 resumed> => {parent_tid=[7222]}, 88) = 7222 [pid 7218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... futex resumed>) = 0 [pid 7222] <... rseq resumed>) = 0 [pid 7219] rt_sigprocmask(SIG_SETMASK, [], [pid 7218] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7212, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7222] set_robust_list(0x7f39493479a0, 24 [pid 7221] <... openat resumed>) = 3 [pid 7219] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... openat resumed>) = 3 [pid 7216] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7222] <... set_robust_list resumed>) = 0 [pid 7221] write(3, "1000", 4 [pid 7220] <... write resumed>) = 1048576 [pid 7219] <... futex resumed>) = 0 [pid 7218] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7222] rt_sigprocmask(SIG_SETMASK, [], [pid 7221] <... write resumed>) = 4 [pid 7220] munmap(0x7f3940e00000, 138412032 [pid 7219] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7218] <... futex resumed>) = 0 [pid 7216] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7221] close(3 [pid 7220] <... munmap resumed>) = 0 [pid 7218] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7216] <... futex resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7222] memfd_create("syzkaller", 0 [pid 7221] <... close resumed>) = 0 [pid 7220] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7218] <... mmap resumed>) = 0x200000000000 [pid 7216] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7223 attached [pid 7222] <... memfd_create resumed>) = 3 [pid 7221] write(1, "executing program\n", 18executing program [pid 7220] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7218] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7218] <... futex resumed>) = 0 [pid 7223] set_robust_list(0x55558704b6a0, 24 [pid 7216] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7223] <... set_robust_list resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 7218] +++ killed by SIGBUS +++ [pid 7222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7221] <... write resumed>) = 18 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7223 [pid 7223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7222] <... mmap resumed>) = 0x7f3940e00000 [pid 7221] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] close(3 [pid 7216] +++ killed by SIGBUS +++ [pid 7223] <... prctl resumed>) = 0 [pid 7222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7221] <... futex resumed>) = 0 [pid 7221] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7216, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7221] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7223] setpgid(0, 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7223] <... setpgid resumed>) = 0 [pid 7221] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7221] <... mprotect resumed>) = 0 [pid 7223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7224 attached [pid 7224] set_robust_list(0x55558704b6a0, 24 [pid 7223] write(3, "1000", 4 [pid 7222] <... write resumed>) = 1048576 [pid 7221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7220] <... close resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7224 [pid 7224] <... set_robust_list resumed>) = 0 [pid 7223] <... write resumed>) = 4 [pid 7222] munmap(0x7f3940e00000, 138412032 [pid 7221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7220] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7223] close(3 [pid 7221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7225 attached [pid 7224] <... prctl resumed>) = 0 [pid 7225] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7224] setpgid(0, 0 [pid 7223] <... close resumed>) = 0 [pid 7222] <... munmap resumed>) = 0 [pid 7221] <... clone3 resumed> => {parent_tid=[7225]}, 88) = 7225 [pid 7220] <... futex resumed>) = 1 [pid 7217] <... futex resumed>) = 0 [pid 7225] <... rseq resumed>) = 0 [pid 7224] <... setpgid resumed>) = 0 executing program [pid 7223] write(1, "executing program\n", 18 [pid 7222] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7221] rt_sigprocmask(SIG_SETMASK, [], [pid 7220] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] set_robust_list(0x7f39493479a0, 24 [pid 7224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7223] <... write resumed>) = 18 [pid 7221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7225] <... set_robust_list resumed>) = 0 [pid 7223] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7221] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = 0 [pid 7220] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7225] rt_sigprocmask(SIG_SETMASK, [], [pid 7223] <... futex resumed>) = 0 [pid 7222] close(3 [pid 7221] <... futex resumed>) = 0 [pid 7217] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7224] <... openat resumed>) = 3 [pid 7223] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7221] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7220] <... openat resumed>) = 3 [pid 7225] memfd_create("syzkaller", 0 [pid 7224] write(3, "1000", 4 [pid 7223] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7225] <... memfd_create resumed>) = 3 [pid 7224] <... write resumed>) = 4 [pid 7223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7220] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7220] <... futex resumed>) = 1 [pid 7217] <... futex resumed>) = 0 [pid 7223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7217] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7224] close(3 [pid 7223] <... mmap resumed>) = 0x7f3949327000 [pid 7217] <... futex resumed>) = 0 [pid 7225] <... mmap resumed>) = 0x7f3940e00000 [pid 7224] <... close resumed>) = 0 [pid 7223] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7220] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7217] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 7224] write(1, "executing program\n", 18) = 18 [pid 7223] <... mprotect resumed>) = 0 [pid 7220] <... mmap resumed>) = 0x200000000000 [pid 7224] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7220] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7224] <... futex resumed>) = 0 [pid 7223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7220] <... futex resumed>) = 1 [pid 7217] <... futex resumed>) = 0 [pid 7224] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7217] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7226 attached [pid 7224] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7217] <... futex resumed>) = 0 [pid 7220] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7226] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7223] <... clone3 resumed> => {parent_tid=[7226]}, 88) = 7226 [pid 7226] <... rseq resumed>) = 0 [pid 7225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7223] rt_sigprocmask(SIG_SETMASK, [], [pid 7222] <... close resumed>) = 0 [pid 7226] set_robust_list(0x7f39493479a0, 24 [pid 7223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7224] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7226] <... set_robust_list resumed>) = 0 [pid 7224] <... mprotect resumed>) = 0 [pid 7224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7223] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7226] memfd_create("syzkaller", 0 [pid 7223] <... futex resumed>) = 0 [pid 7222] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7222] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7219] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7222] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7219] <... futex resumed>) = 0 [pid 7224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7226] <... memfd_create resumed>) = 3 [pid 7220] +++ killed by SIGBUS +++ [pid 7219] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] +++ killed by SIGBUS +++ [pid 7226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7217, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 7227 attached [pid 7226] <... mmap resumed>) = 0x7f3940e00000 [pid 7224] <... clone3 resumed> => {parent_tid=[7227]}, 88) = 7227 [pid 7222] <... openat resumed>) = 3 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7227] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7222] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7219] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] set_robust_list(0x7f39493479a0, 24 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7227] <... set_robust_list resumed>) = 0 [pid 7224] rt_sigprocmask(SIG_SETMASK, [], [pid 7219] <... futex resumed>) = 0 [pid 7219] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7227] rt_sigprocmask(SIG_SETMASK, [], [pid 7224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7224] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7222] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7224] <... futex resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7227] memfd_create("syzkaller", 0 [pid 7224] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7222] <... mmap resumed>) = 0x200000000000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7227] <... memfd_create resumed>) = 3 [pid 7226] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7222] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7228 attached [pid 7227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7228 [pid 7228] set_robust_list(0x55558704b6a0, 24 [pid 7227] <... mmap resumed>) = 0x7f3940e00000 [pid 7226] <... write resumed>) = 1048576 [pid 7225] <... write resumed>) = 1048576 [pid 7222] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7228] <... set_robust_list resumed>) = 0 [pid 7225] munmap(0x7f3940e00000, 138412032 [pid 7219] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7226] munmap(0x7f3940e00000, 138412032 [pid 7225] <... munmap resumed>) = 0 [pid 7222] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7219] <... futex resumed>) = ? [pid 7228] <... prctl resumed>) = 0 [pid 7225] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7228] setpgid(0, 0 [pid 7227] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7226] <... munmap resumed>) = 0 [pid 7228] <... setpgid resumed>) = 0 [pid 7228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7227] <... write resumed>) = 1048576 [pid 7226] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7225] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7222] +++ killed by SIGBUS +++ [pid 7219] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7219, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7226] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7228] <... openat resumed>) = 3 [pid 7225] close(3 [pid 7228] write(3, "1000", 4 [pid 7225] <... close resumed>) = 0 [pid 7228] <... write resumed>) = 4 [pid 7226] close(3 [pid 7228] close(3 [pid 7227] munmap(0x7f3940e00000, 138412032 [pid 7225] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... close resumed>) = 0 executing program [pid 7228] write(1, "executing program\n", 18 [pid 7227] <... munmap resumed>) = 0 [pid 7225] <... futex resumed>) = 1 [pid 7221] <... futex resumed>) = 0 [pid 7228] <... write resumed>) = 18 [pid 7221] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] <... futex resumed>) = 0 [pid 7228] <... futex resumed>) = 0 [pid 7225] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7221] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7228] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7225] <... openat resumed>) = 3 [pid 7228] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7227] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7225] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7227] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7225] <... futex resumed>) = 1 [pid 7221] <... futex resumed>) = 0 [pid 7228] <... mmap resumed>) = 0x7f3949327000 [pid 7227] close(3 [pid 7226] <... close resumed>) = 0 [pid 7225] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7221] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7228] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7226] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] <... futex resumed>) = 0 [pid 7228] <... mprotect resumed>) = 0 [pid 7226] <... futex resumed>) = 1 [pid 7223] <... futex resumed>) = 0 [pid 7221] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7223] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7225] <... mmap resumed>) = 0x200000000000 [pid 7223] <... futex resumed>) = 0 [pid 7228] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7226] <... openat resumed>) = 3 [pid 7225] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7228] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7226] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] <... futex resumed>) = 1 [pid 7223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7221] <... futex resumed>) = 0 [pid 7228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7226] <... futex resumed>) = 0 [pid 7225] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7223] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = 0 [pid 7225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7223] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7225] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7221] <... futex resumed>) = 0 [pid 7226] <... mmap resumed>) = 0x200000000000 [pid 7221] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7230 attached ./strace-static-x86_64: Process 7229 attached ) = ? [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7229 [pid 7229] set_robust_list(0x55558704b6a0, 24 [pid 7228] <... clone3 resumed> => {parent_tid=[7230]}, 88) = 7230 [pid 7227] <... close resumed>) = 0 [pid 7226] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7225] +++ killed by SIGBUS +++ [pid 7221] +++ killed by SIGBUS +++ [pid 7230] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7229] <... set_robust_list resumed>) = 0 [pid 7228] rt_sigprocmask(SIG_SETMASK, [], [pid 7227] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... futex resumed>) = 1 [pid 7223] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7221, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7230] <... rseq resumed>) = 0 [pid 7229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7227] <... futex resumed>) = 1 [pid 7224] <... futex resumed>) = 0 [pid 7223] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7226] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7230] set_robust_list(0x7f39493479a0, 24 [pid 7228] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = ? [pid 5832] <... restart_syscall resumed>) = 0 [pid 7227] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7229] <... prctl resumed>) = 0 [pid 7230] <... set_robust_list resumed>) = 0 [pid 7228] <... futex resumed>) = 0 [pid 7224] <... futex resumed>) = 0 [pid 7230] rt_sigprocmask(SIG_SETMASK, [], [pid 7228] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7227] <... openat resumed>) = 3 [pid 7230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7224] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] memfd_create("syzkaller", 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7230] <... memfd_create resumed>) = 3 [pid 7229] setpgid(0, 0 [pid 7227] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7227] <... futex resumed>) = 1 [pid 7224] <... futex resumed>) = 0 [pid 7230] <... mmap resumed>) = 0x7f3940e00000 [pid 7229] <... setpgid resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7227] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7224] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7227] <... mmap resumed>) = 0x200000000000 [pid 7226] +++ killed by SIGBUS +++ [pid 7224] <... futex resumed>) = 0 [pid 7223] +++ killed by SIGBUS +++ [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7231 attached [pid 7229] <... openat resumed>) = 3 [pid 7224] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7223, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7227] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7229] write(3, "1000", 4 [pid 7227] <... futex resumed>) = 1 [pid 7224] <... futex resumed>) = 0 [pid 7229] <... write resumed>) = 4 [pid 7227] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7224] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7231] set_robust_list(0x55558704b6a0, 24 [pid 7230] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7229] close(3 [pid 7224] <... futex resumed>) = -1 (errno 18446744073709551613) [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7231 [pid 7231] <... set_robust_list resumed>) = 0 [pid 7229] <... close resumed>) = 0 [pid 7231] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 7229] write(1, "executing program\n", 18 [pid 7227] +++ killed by SIGBUS +++ [pid 7224] +++ killed by SIGBUS +++ [pid 7231] <... prctl resumed>) = 0 [pid 7229] <... write resumed>) = 18 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7231] setpgid(0, 0 [pid 7229] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7224, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7231] <... setpgid resumed>) = 0 [pid 7229] <... futex resumed>) = 0 [pid 7229] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7231] <... openat resumed>) = 3 [pid 7229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7232 attached [pid 7231] write(3, "1000", 4 [pid 7229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7229] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7232 [pid 7229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7233 attached [pid 7232] set_robust_list(0x55558704b6a0, 24 [pid 7231] <... write resumed>) = 4 [pid 7230] <... write resumed>) = 1048576 [pid 7232] <... set_robust_list resumed>) = 0 [pid 7231] close(3) = 0 [pid 7231] write(1, "executing program\n", 18 [pid 7233] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7229] <... clone3 resumed> => {parent_tid=[7233]}, 88) = 7233 executing program [pid 7233] <... rseq resumed>) = 0 [pid 7229] rt_sigprocmask(SIG_SETMASK, [], [pid 7233] set_robust_list(0x7f39493479a0, 24 [pid 7229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7233] <... set_robust_list resumed>) = 0 [pid 7233] rt_sigprocmask(SIG_SETMASK, [], [pid 7232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7231] <... write resumed>) = 18 [pid 7229] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7229] <... futex resumed>) = 0 [pid 7232] <... prctl resumed>) = 0 [pid 7231] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] memfd_create("syzkaller", 0 [pid 7232] setpgid(0, 0 [pid 7231] <... futex resumed>) = 0 [pid 7229] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7231] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7233] <... memfd_create resumed>) = 3 [pid 7231] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7232] <... setpgid resumed>) = 0 [pid 7231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7233] <... mmap resumed>) = 0x7f3940e00000 [pid 7232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7232] <... openat resumed>) = 3 [pid 7231] <... mmap resumed>) = 0x7f3949327000 [pid 7231] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7230] munmap(0x7f3940e00000, 138412032 [pid 7231] <... mprotect resumed>) = 0 [pid 7230] <... munmap resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7234 attached [pid 7230] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7235 attached [pid 7234] set_robust_list(0x55558704b6a0, 24 [pid 7232] write(3, "1000", 4 [pid 7230] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7232] <... write resumed>) = 4 [pid 7230] close(3 [pid 7235] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7234] <... set_robust_list resumed>) = 0 [pid 7233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7232] close(3 [pid 7235] <... rseq resumed>) = 0 [pid 7231] <... clone3 resumed> => {parent_tid=[7235]}, 88) = 7235 [pid 7234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7234 [pid 7232] <... close resumed>) = 0 [pid 7231] rt_sigprocmask(SIG_SETMASK, [], [pid 7234] <... prctl resumed>) = 0 [pid 7231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7234] setpgid(0, 0 [pid 7235] set_robust_list(0x7f39493479a0, 24 [pid 7231] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... set_robust_list resumed>) = 0 executing program [pid 7234] <... setpgid resumed>) = 0 [pid 7235] rt_sigprocmask(SIG_SETMASK, [], [pid 7231] <... futex resumed>) = 0 [pid 7232] write(1, "executing program\n", 18 [pid 7235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7231] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7232] <... write resumed>) = 18 [pid 7235] memfd_create("syzkaller", 0 [pid 7232] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7232] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7234] <... openat resumed>) = 3 [pid 7232] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7235] <... memfd_create resumed>) = 3 [pid 7234] write(3, "1000", 4 [pid 7232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7234] <... write resumed>) = 4 [pid 7232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7235] <... mmap resumed>) = 0x7f3940e00000 [pid 7234] close(3 [pid 7232] <... mmap resumed>) = 0x7f3949327000 [pid 7230] <... close resumed>) = 0 [pid 7232] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7234] <... close resumed>) = 0 [pid 7232] <... mprotect resumed>) = 0 [pid 7232] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7236 attached [pid 7236] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 executing program [pid 7235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7234] write(1, "executing program\n", 18 [pid 7233] <... write resumed>) = 1048576 [pid 7232] <... clone3 resumed> => {parent_tid=[7236]}, 88) = 7236 [pid 7230] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... rseq resumed>) = 0 [pid 7234] <... write resumed>) = 18 [pid 7233] munmap(0x7f3940e00000, 138412032 [pid 7232] rt_sigprocmask(SIG_SETMASK, [], [pid 7230] <... futex resumed>) = 1 [pid 7228] <... futex resumed>) = 0 [pid 7236] set_robust_list(0x7f39493479a0, 24 [pid 7234] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... munmap resumed>) = 0 [pid 7232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7230] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7236] <... set_robust_list resumed>) = 0 [pid 7234] <... futex resumed>) = 0 [pid 7232] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] rt_sigprocmask(SIG_SETMASK, [], [pid 7234] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7232] <... futex resumed>) = 0 [pid 7228] <... futex resumed>) = 0 [pid 7236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7233] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7232] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7236] memfd_create("syzkaller", 0 [pid 7233] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7230] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7236] <... memfd_create resumed>) = 3 [pid 7234] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7230] <... openat resumed>) = 3 [pid 7228] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7233] close(3 [pid 7230] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7236] <... mmap resumed>) = 0x7f3940e00000 [pid 7234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7228] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7235] <... write resumed>) = 1048576 [pid 7234] <... mmap resumed>) = 0x7f3949327000 [pid 7228] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] munmap(0x7f3940e00000, 138412032 [pid 7234] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7230] <... futex resumed>) = 1 [pid 7228] <... futex resumed>) = 0 [pid 7234] <... mprotect resumed>) = 0 [pid 7230] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7228] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=44000000} [pid 7230] <... mmap resumed>) = 0x200000000000 [pid 7230] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7228] <... futex resumed>) = 0 [pid 7230] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7228] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7228] <... futex resumed>) = 0 [pid 7234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7228] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... munmap resumed>) = 0 [pid 7234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7233] <... close resumed>) = 0 [pid 7228] <... futex resumed>) = ? ./strace-static-x86_64: Process 7237 attached [pid 7230] +++ killed by SIGBUS +++ [pid 7228] +++ killed by SIGBUS +++ [pid 7235] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7237] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7234] <... clone3 resumed> => {parent_tid=[7237]}, 88) = 7237 [pid 7237] <... rseq resumed>) = 0 [pid 7235] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7233] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7228, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7237] set_robust_list(0x7f39493479a0, 24 [pid 7234] rt_sigprocmask(SIG_SETMASK, [], [pid 7233] <... futex resumed>) = 1 [pid 7235] close(3 [pid 7229] <... futex resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7237] <... set_robust_list resumed>) = 0 [pid 7234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7233] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7229] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] rt_sigprocmask(SIG_SETMASK, [], [pid 7234] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... openat resumed>) = 3 [pid 7237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7233] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7237] memfd_create("syzkaller", 0 [pid 7234] <... futex resumed>) = 0 [pid 7233] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7229] <... futex resumed>) = 0 [pid 7237] <... memfd_create resumed>) = 3 [pid 7237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7234] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7229] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] <... mmap resumed>) = 0x7f3940e00000 [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558704b690) = 7238 ./strace-static-x86_64: Process 7238 attached [pid 7238] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7236] <... write resumed>) = 1048576 [pid 7235] <... close resumed>) = 0 [pid 7229] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] setpgid(0, 0 [pid 7235] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7229] <... futex resumed>) = 1 [pid 7238] <... setpgid resumed>) = 0 [pid 7236] munmap(0x7f3940e00000, 138412032 [pid 7233] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7229] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... futex resumed>) = 1 [pid 7235] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7233] <... mmap resumed>) = 0x200000000000 [pid 7231] <... futex resumed>) = 0 [pid 7231] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7235] <... futex resumed>) = 0 [pid 7231] <... futex resumed>) = 1 [pid 7236] <... munmap resumed>) = 0 [pid 7235] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7233] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... openat resumed>) = 3 [pid 7235] <... openat resumed>) = 3 [pid 7229] <... futex resumed>) = 0 [pid 7238] write(3, "1000", 4 [pid 7236] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7235] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 1 [pid 7229] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] <... write resumed>) = 4 [pid 7236] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7235] <... futex resumed>) = 1 [pid 7231] <... futex resumed>) = 0 [pid 7229] <... futex resumed>) = 0 [pid 7238] close(3 [pid 7235] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7231] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... close resumed>) = 0 [pid 7236] close(3 [pid 7235] <... mmap resumed>) = 0x200000000000 [pid 7233] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7231] <... futex resumed>) = 0 [pid 7231] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] write(1, "executing program\n", 18 [pid 7235] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = 0 [pid 7231] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7231] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... futex resumed>) = 1 executing program [pid 7235] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7238] <... write resumed>) = 18 [pid 7237] <... write resumed>) = 1048576 [pid 7236] <... close resumed>) = 0 [pid 7229] <... futex resumed>) = ? [pid 7238] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] <... futex resumed>) = ? [pid 7238] <... futex resumed>) = 0 [pid 7238] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7237] munmap(0x7f3940e00000, 138412032 [pid 7236] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] +++ killed by SIGBUS +++ [pid 7229] +++ killed by SIGBUS +++ [pid 7238] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7237] <... munmap resumed>) = 0 [pid 7236] <... futex resumed>) = 1 [pid 7235] +++ killed by SIGBUS +++ [pid 7232] <... futex resumed>) = 0 [pid 7231] +++ killed by SIGBUS +++ [pid 7238] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7236] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7229, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7238] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7231, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7237] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7236] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7232] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... mmap resumed>) = 0x7f3949327000 [pid 7237] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7236] <... openat resumed>) = 3 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7238] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7237] close(3 [pid 7236] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] <... mprotect resumed>) = 0 [pid 7236] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7238] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7236] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7232] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7236] <... mmap resumed>) = 0x200000000000 [pid 7232] <... futex resumed>) = 0 [pid 7238] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7232] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... clone3 resumed> => {parent_tid=[7239]}, 88) = 7239 [pid 7238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7238] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7239 attached ) = 0 [pid 7238] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7236] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7236] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7239] <... rseq resumed>) = 0 [pid 7236] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7232] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 7239] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7232] <... futex resumed>) = ? [pid 7239] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7239] memfd_create("syzkaller", 0 [pid 7236] +++ killed by SIGBUS +++ [pid 7232] +++ killed by SIGBUS +++ [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7239] <... memfd_create resumed>) = 3 [pid 7237] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7232, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7237] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7239] <... mmap resumed>) = 0x7f3940e00000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7237] <... futex resumed>) = 1 [pid 7234] <... futex resumed>) = 0 [pid 7237] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7234] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7237] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7234] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7237] <... openat resumed>) = 3 [pid 7237] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7241 attached ./strace-static-x86_64: Process 7240 attached [pid 7239] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7241] set_robust_list(0x55558704b6a0, 24 [pid 7234] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7242 attached [pid 7241] <... set_robust_list resumed>) = 0 [pid 7240] set_robust_list(0x55558704b6a0, 24 [pid 7237] <... futex resumed>) = 0 [pid 7234] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7241 [pid 7242] set_robust_list(0x55558704b6a0, 24 [pid 7241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7240] <... set_robust_list resumed>) = 0 [pid 7237] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7234] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7240 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7242 [pid 7242] <... set_robust_list resumed>) = 0 [pid 7241] <... prctl resumed>) = 0 [pid 7240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7241] setpgid(0, 0 [pid 7240] <... prctl resumed>) = 0 [pid 7237] <... mmap resumed>) = 0x200000000000 [pid 7241] <... setpgid resumed>) = 0 [pid 7240] setpgid(0, 0 [pid 7242] <... prctl resumed>) = 0 [pid 7241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7242] setpgid(0, 0 [pid 7240] <... setpgid resumed>) = 0 [pid 7237] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7237] <... futex resumed>) = 1 [pid 7234] <... futex resumed>) = 0 [pid 7242] <... setpgid resumed>) = 0 [pid 7241] <... openat resumed>) = 3 [pid 7234] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7237] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7234] <... futex resumed>) = 0 [pid 7242] <... openat resumed>) = 3 [pid 7241] write(3, "1000", 4 [pid 7240] <... openat resumed>) = 3 [pid 7234] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... write resumed>) = 4 [pid 7241] close(3 [pid 7242] write(3, "1000", 4) = 4 [pid 7241] <... close resumed>) = 0 executing program executing program [pid 7240] write(3, "1000", 4 [pid 7239] <... write resumed>) = 1048576 [pid 7234] <... futex resumed>) = ? [pid 7242] close(3 [pid 7241] write(1, "executing program\n", 18 [pid 7240] <... write resumed>) = 4 [pid 7239] munmap(0x7f3940e00000, 138412032 [pid 7242] <... close resumed>) = 0 [pid 7241] <... write resumed>) = 18 [pid 7240] close(3 [pid 7239] <... munmap resumed>) = 0 [pid 7242] write(1, "executing program\n", 18 [pid 7241] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... close resumed>) = 0 [pid 7237] +++ killed by SIGBUS +++ [pid 7234] +++ killed by SIGBUS +++ [pid 7242] <... write resumed>) = 18 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7234, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7242] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = 0 [pid 7240] write(1, "executing program\n", 18 [pid 7239] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7242] <... futex resumed>) = 0 [pid 7242] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 executing program [pid 7242] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7241] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7240] <... write resumed>) = 18 [pid 7239] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7242] <... mprotect resumed>) = 0 [pid 7241] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7240] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] close(3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7240] <... futex resumed>) = 0 [pid 7240] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7240] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7239] <... close resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7239] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7239] <... futex resumed>) = 1 [pid 7238] <... futex resumed>) = 0 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7241] <... mmap resumed>) = 0x7f3949327000 [pid 7240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7239] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7238] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... mmap resumed>) = 0x7f3949327000 [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7238] <... futex resumed>) = 0 [pid 7238] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7239] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7240] <... mprotect resumed>) = 0 [pid 7241] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7244 attached ./strace-static-x86_64: Process 7243 attached ) = 0 [pid 7240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7239] <... openat resumed>) = 3 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7243 [pid 7244] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7243] set_robust_list(0x55558704b6a0, 24 [pid 7242] <... clone3 resumed> => {parent_tid=[7244]}, 88) = 7244 [pid 7241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7244] <... rseq resumed>) = 0 [pid 7241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7242] rt_sigprocmask(SIG_SETMASK, [], [pid 7244] set_robust_list(0x7f39493479a0, 24 [pid 7242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7244] <... set_robust_list resumed>) = 0 [pid 7242] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] rt_sigprocmask(SIG_SETMASK, [], [pid 7243] <... set_robust_list resumed>) = 0 [pid 7240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7239] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7245 attached [pid 7244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7242] <... futex resumed>) = 0 [pid 7240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7239] <... futex resumed>) = 1 [pid 7238] <... futex resumed>) = 0 [pid 7245] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7244] memfd_create("syzkaller", 0 [pid 7243] <... prctl resumed>) = 0 [pid 7242] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7241] <... clone3 resumed> => {parent_tid=[7245]}, 88) = 7245 [pid 7239] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7238] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7246 attached [pid 7245] <... rseq resumed>) = 0 [pid 7244] <... memfd_create resumed>) = 3 [pid 7243] setpgid(0, 0 [pid 7241] rt_sigprocmask(SIG_SETMASK, [], [pid 7240] <... clone3 resumed> => {parent_tid=[7246]}, 88) = 7246 [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7238] <... futex resumed>) = 0 [pid 7246] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7245] set_robust_list(0x7f39493479a0, 24 [pid 7244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7243] <... setpgid resumed>) = 0 [pid 7241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7240] rt_sigprocmask(SIG_SETMASK, [], [pid 7239] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7238] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7246] <... rseq resumed>) = 0 [pid 7245] <... set_robust_list resumed>) = 0 [pid 7244] <... mmap resumed>) = 0x7f3940e00000 [pid 7243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7241] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7239] <... mmap resumed>) = 0x200000000000 [pid 7246] set_robust_list(0x7f39493479a0, 24 [pid 7245] rt_sigprocmask(SIG_SETMASK, [], [pid 7241] <... futex resumed>) = 0 [pid 7246] <... set_robust_list resumed>) = 0 [pid 7245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7240] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] rt_sigprocmask(SIG_SETMASK, [], [pid 7245] memfd_create("syzkaller", 0 [pid 7243] <... openat resumed>) = 3 [pid 7241] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7240] <... futex resumed>) = 0 [pid 7239] <... futex resumed>) = 1 [pid 7238] <... futex resumed>) = 0 [pid 7246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7240] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7238] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] memfd_create("syzkaller", 0 [pid 7245] <... memfd_create resumed>) = 3 [pid 7243] write(3, "1000", 4 [pid 7239] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7238] <... futex resumed>) = -1 (errno 18446744073709551615) [pid 7245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7243] <... write resumed>) = 4 [pid 7246] <... memfd_create resumed>) = 3 [pid 7246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7245] <... mmap resumed>) = 0x7f3940e00000 [pid 7243] close(3 [pid 7239] +++ killed by SIGBUS +++ [pid 7238] +++ killed by SIGBUS +++ executing program [pid 7246] <... mmap resumed>) = 0x7f3940e00000 [pid 7243] <... close resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7238, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7244] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7243] write(1, "executing program\n", 18) = 18 [pid 7243] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7243] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7243] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] <... restart_syscall resumed>) = 0 [pid 7243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7247 attached => {parent_tid=[7247]}, 88) = 7247 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7243] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7247] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7243] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7243] <... futex resumed>) = 0 [pid 7243] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7247] <... rseq resumed>) = 0 [pid 7247] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7247] memfd_create("syzkaller", 0) = 3 [pid 7247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 ./strace-static-x86_64: Process 7248 attached [pid 7247] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7248 [pid 7248] set_robust_list(0x55558704b6a0, 24 [pid 7246] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7245] <... write resumed>) = 1048576 [pid 7244] <... write resumed>) = 1048576 [pid 7248] <... set_robust_list resumed>) = 0 [pid 7248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7248] setpgid(0, 0 [pid 7244] munmap(0x7f3940e00000, 138412032 [pid 7248] <... setpgid resumed>) = 0 [pid 7248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7244] <... munmap resumed>) = 0 [pid 7248] <... openat resumed>) = 3 [pid 7248] write(3, "1000", 4 [pid 7244] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7248] <... write resumed>) = 4 [pid 7248] close(3) = 0 [pid 7248] write(1, "executing program\n", 18executing program [pid 7245] munmap(0x7f3940e00000, 138412032 [pid 7248] <... write resumed>) = 18 [pid 7247] <... write resumed>) = 1048576 [pid 7246] <... write resumed>) = 1048576 [pid 7245] <... munmap resumed>) = 0 [pid 7244] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7248] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] munmap(0x7f3940e00000, 138412032 [pid 7244] close(3 [pid 7248] <... futex resumed>) = 0 [pid 7248] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7247] munmap(0x7f3940e00000, 138412032 [pid 7245] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7247] <... munmap resumed>) = 0 [pid 7245] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7247] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7245] close(3 [pid 7247] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7247] close(3 [pid 7248] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7246] <... munmap resumed>) = 0 [pid 7245] <... close resumed>) = 0 [pid 7244] <... close resumed>) = 0 [pid 7248] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7246] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7244] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7247] <... close resumed>) = 0 [pid 7246] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7244] <... futex resumed>) = 1 [pid 7242] <... futex resumed>) = 0 [pid 7248] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7242] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] <... mprotect resumed>) = 0 [pid 7244] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7242] <... futex resumed>) = 0 [pid 7248] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7245] <... futex resumed>) = 1 [pid 7242] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... futex resumed>) = 0 [pid 7246] close(3 [pid 7244] <... openat resumed>) = 3 [pid 7241] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7241] <... futex resumed>) = 0 [pid 7248] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7245] <... openat resumed>) = 3 [pid 7241] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7245] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7247] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7246] <... close resumed>) = 0 [pid 7244] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7241] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7249 attached [pid 7247] <... futex resumed>) = 1 [pid 7246] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... futex resumed>) = 0 [pid 7244] <... futex resumed>) = 1 [pid 7243] <... futex resumed>) = 0 [pid 7242] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 1 [pid 7249] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7247] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7246] <... futex resumed>) = 1 [pid 7245] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7244] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7243] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] <... futex resumed>) = 0 [pid 7249] <... rseq resumed>) = 0 [pid 7248] <... clone3 resumed> => {parent_tid=[7249]}, 88) = 7249 [pid 7247] <... openat resumed>) = 3 [pid 7246] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7245] <... mmap resumed>) = 0x200000000000 [pid 7244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7243] <... futex resumed>) = 0 [pid 7242] <... futex resumed>) = 0 [pid 7240] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] set_robust_list(0x7f39493479a0, 24 [pid 7248] rt_sigprocmask(SIG_SETMASK, [], [pid 7247] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7245] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7243] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] <... futex resumed>) = 0 [pid 7249] <... set_robust_list resumed>) = 0 [pid 7248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7247] <... futex resumed>) = 0 [pid 7246] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7245] <... futex resumed>) = 1 [pid 7244] <... mmap resumed>) = 0x200000000000 [pid 7243] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7241] <... futex resumed>) = 0 [pid 7240] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7249] rt_sigprocmask(SIG_SETMASK, [], [pid 7248] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] <... openat resumed>) = 3 [pid 7245] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7248] <... futex resumed>) = 0 [pid 7247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7246] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] <... futex resumed>) = 1 [pid 7242] <... futex resumed>) = 0 [pid 7249] memfd_create("syzkaller", 0 [pid 7248] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7247] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7246] <... futex resumed>) = 1 [pid 7243] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7249] <... memfd_create resumed>) = 3 [pid 7247] <... mmap resumed>) = 0x200000000000 [pid 7246] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7245] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7244] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7243] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] <... futex resumed>) = 0 [pid 7249] <... mmap resumed>) = 0x7f3940e00000 [pid 7247] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7244] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7242] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] <... futex resumed>) = 0 [pid 7247] <... futex resumed>) = 1 [pid 7246] <... mmap resumed>) = 0x200000000000 [pid 7245] +++ killed by SIGBUS +++ [pid 7243] <... futex resumed>) = 0 [pid 7242] <... futex resumed>) = ? [pid 7241] +++ killed by SIGBUS +++ [pid 7240] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7244] +++ killed by SIGBUS +++ [pid 7243] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7246] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... futex resumed>) = 0 [pid 7246] <... futex resumed>) = 1 [pid 7240] <... futex resumed>) = 0 [pid 7247] +++ killed by SIGBUS +++ [pid 7243] +++ killed by SIGBUS +++ [pid 7242] +++ killed by SIGBUS +++ [pid 7240] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7240] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7241, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 7249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7243, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7242, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... restart_syscall resumed>) = 0 [pid 7246] +++ killed by SIGBUS +++ [pid 7240] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7240, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 7250 attached [pid 7249] <... write resumed>) = 1048576 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7250] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7250 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7249] munmap(0x7f3940e00000, 138412032 [pid 7250] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7251 attached [pid 7249] <... munmap resumed>) = 0 [pid 7251] set_robust_list(0x55558704b6a0, 24 [pid 7250] setpgid(0, 0 [pid 7249] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7251] <... set_robust_list resumed>) = 0 [pid 7250] <... setpgid resumed>) = 0 [pid 7249] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7251 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7249] close(3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7252 attached [pid 7252] set_robust_list(0x55558704b6a0, 24 [pid 7251] <... prctl resumed>) = 0 [pid 7250] <... openat resumed>) = 3 executing program [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7252] <... set_robust_list resumed>) = 0 [pid 7251] setpgid(0, 0 [pid 7250] write(3, "1000", 4 [pid 7251] <... setpgid resumed>) = 0 [pid 7250] <... write resumed>) = 4 [pid 7251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7250] close(3) = 0 [pid 7251] <... openat resumed>) = 3 [pid 7250] write(1, "executing program\n", 18) = 18 [pid 7252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7250] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7253 attached [pid 7252] <... prctl resumed>) = 0 [pid 7250] <... futex resumed>) = 0 [pid 7253] set_robust_list(0x55558704b6a0, 24 [pid 7252] setpgid(0, 0 [pid 7251] write(3, "1000", 4 [pid 7250] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7252 [pid 7253] <... set_robust_list resumed>) = 0 [pid 7252] <... setpgid resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7253 [pid 7253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7253] <... prctl resumed>) = 0 [pid 7250] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7253] setpgid(0, 0 [pid 7251] <... write resumed>) = 4 [pid 7250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7251] close(3 [pid 7250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7253] <... setpgid resumed>) = 0 [pid 7252] <... openat resumed>) = 3 [pid 7251] <... close resumed>) = 0 [pid 7250] <... mmap resumed>) = 0x7f3949327000 [pid 7251] write(1, "executing program\n", 18 [pid 7250] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITEexecuting program [pid 7253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7252] write(3, "1000", 4 [pid 7251] <... write resumed>) = 18 [pid 7250] <... mprotect resumed>) = 0 [pid 7253] <... openat resumed>) = 3 [pid 7252] <... write resumed>) = 4 [pid 7251] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] close(3 [pid 7251] <... futex resumed>) = 0 [pid 7250] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7253] write(3, "1000", 4 [pid 7252] <... close resumed>) = 0 [pid 7251] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7249] <... close resumed>) = 0 [pid 7253] <... write resumed>) = 4 executing program [pid 7252] write(1, "executing program\n", 18 [pid 7251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7250] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7253] close(3 [pid 7252] <... write resumed>) = 18 [pid 7251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7249] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7254 attached [pid 7253] <... close resumed>) = 0 [pid 7252] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7254] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7253] write(1, "executing program\n", 18 [pid 7252] <... futex resumed>) = 0 executing program [pid 7251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7248] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7254] <... rseq resumed>) = 0 [pid 7253] <... write resumed>) = 18 [pid 7252] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7251] <... mmap resumed>) = 0x7f3949327000 [pid 7250] <... clone3 resumed> => {parent_tid=[7254]}, 88) = 7254 [pid 7249] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7248] <... futex resumed>) = 0 [pid 7254] set_robust_list(0x7f39493479a0, 24 [pid 7253] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7251] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7250] rt_sigprocmask(SIG_SETMASK, [], [pid 7249] <... openat resumed>) = 3 [pid 7248] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] <... set_robust_list resumed>) = 0 [pid 7253] <... futex resumed>) = 0 [pid 7252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7251] <... mprotect resumed>) = 0 [pid 7250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7254] rt_sigprocmask(SIG_SETMASK, [], [pid 7252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7253] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7250] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7252] <... mmap resumed>) = 0x7f3949327000 [pid 7251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7250] <... futex resumed>) = 0 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7254] memfd_create("syzkaller", 0 [pid 7253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7252] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7250] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7249] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7255 attached [pid 7254] <... memfd_create resumed>) = 3 [pid 7253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7252] <... mprotect resumed>) = 0 [pid 7249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7249] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7248] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7255] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7253] <... mmap resumed>) = 0x7f3949327000 [pid 7252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7251] <... clone3 resumed> => {parent_tid=[7255]}, 88) = 7255 [pid 7249] <... mmap resumed>) = 0x200000000000 [pid 7255] <... rseq resumed>) = 0 [pid 7254] <... mmap resumed>) = 0x7f3940e00000 [pid 7253] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7255] set_robust_list(0x7f39493479a0, 24 [pid 7251] rt_sigprocmask(SIG_SETMASK, [], [pid 7249] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... mprotect resumed>) = 0 [pid 7252] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7255] <... set_robust_list resumed>) = 0 [pid 7253] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7251] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7255] rt_sigprocmask(SIG_SETMASK, [], [pid 7248] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7256 attached [pid 7255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7253] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7251] <... futex resumed>) = 0 [pid 7249] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7248] <... futex resumed>) = ? [pid 7256] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7255] memfd_create("syzkaller", 0 [pid 7253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7252] <... clone3 resumed> => {parent_tid=[7256]}, 88) = 7256 [pid 7251] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7257 attached [pid 7256] <... rseq resumed>) = 0 [pid 7255] <... memfd_create resumed>) = 3 [pid 7252] rt_sigprocmask(SIG_SETMASK, [], [pid 7256] set_robust_list(0x7f39493479a0, 24 [pid 7255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7256] <... set_robust_list resumed>) = 0 [pid 7255] <... mmap resumed>) = 0x7f3940e00000 [pid 7252] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7257] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7252] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7256] rt_sigprocmask(SIG_SETMASK, [], [pid 7253] <... clone3 resumed> => {parent_tid=[7257]}, 88) = 7257 [pid 7249] +++ killed by SIGBUS +++ [pid 7248] +++ killed by SIGBUS +++ [pid 7256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7253] rt_sigprocmask(SIG_SETMASK, [], [pid 7256] memfd_create("syzkaller", 0 [pid 7253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7256] <... memfd_create resumed>) = 3 [pid 7253] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7253] <... futex resumed>) = 0 [pid 7256] <... mmap resumed>) = 0x7f3940e00000 [pid 7253] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7257] <... rseq resumed>) = 0 [pid 7254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7257] set_robust_list(0x7f39493479a0, 24 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7248, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7257] <... set_robust_list resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7257] rt_sigprocmask(SIG_SETMASK, [], [pid 7256] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7255] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7254] <... write resumed>) = 1048576 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7258 attached [pid 7257] memfd_create("syzkaller", 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7258 [pid 7254] munmap(0x7f3940e00000, 138412032 [pid 7258] set_robust_list(0x55558704b6a0, 24 [pid 7257] <... memfd_create resumed>) = 3 [pid 7254] <... munmap resumed>) = 0 [pid 7257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7254] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7257] <... mmap resumed>) = 0x7f3940e00000 [pid 7258] <... set_robust_list resumed>) = 0 [pid 7258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7254] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7254] close(3 [pid 7258] <... prctl resumed>) = 0 [pid 7258] setpgid(0, 0) = 0 [pid 7258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7258] write(3, "1000", 4) = 4 [pid 7258] close(3) = 0 [pid 7258] write(1, "executing program\n", 18executing program [pid 7256] <... write resumed>) = 1048576 [pid 7255] <... write resumed>) = 1048576 [pid 7254] <... close resumed>) = 0 [pid 7258] <... write resumed>) = 18 [pid 7257] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7256] munmap(0x7f3940e00000, 138412032 [pid 7254] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... write resumed>) = 1048576 [pid 7256] <... munmap resumed>) = 0 [pid 7255] munmap(0x7f3940e00000, 138412032 [pid 7254] <... futex resumed>) = 1 [pid 7250] <... futex resumed>) = 0 [pid 7258] <... futex resumed>) = 0 [pid 7258] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7250] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7254] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7258] <... mmap resumed>) = 0x7f3949327000 [pid 7258] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7250] <... futex resumed>) = 0 [pid 7258] <... mprotect resumed>) = 0 [pid 7254] <... openat resumed>) = 3 [pid 7250] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... munmap resumed>) = 0 [pid 7254] <... futex resumed>) = 1 [pid 7258] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7250] <... futex resumed>) = 0 [pid 7250] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7250] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7258] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7255] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7259 attached [pid 7254] <... mmap resumed>) = 0x200000000000 [pid 7256] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7259] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7256] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7255] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7259] <... rseq resumed>) = 0 [pid 7258] <... clone3 resumed> => {parent_tid=[7259]}, 88) = 7259 [pid 7255] close(3 [pid 7259] set_robust_list(0x7f39493479a0, 24 [pid 7258] rt_sigprocmask(SIG_SETMASK, [], [pid 7259] <... set_robust_list resumed>) = 0 [pid 7258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7259] rt_sigprocmask(SIG_SETMASK, [], [pid 7258] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] close(3 [pid 7259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7258] <... futex resumed>) = 0 [pid 7254] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7259] memfd_create("syzkaller", 0 [pid 7258] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7254] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] <... futex resumed>) = 0 [pid 7250] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7254] <... futex resumed>) = 0 [pid 7250] <... futex resumed>) = 1 [pid 7254] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7259] <... memfd_create resumed>) = 3 [pid 7259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7254] +++ killed by SIGBUS +++ [pid 7250] +++ killed by SIGBUS +++ [pid 7257] munmap(0x7f3940e00000, 138412032 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7250, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7257] <... munmap resumed>) = 0 [pid 7256] <... close resumed>) = 0 [pid 7255] <... close resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7256] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] <... futex resumed>) = 1 [pid 7255] <... futex resumed>) = 1 [pid 7251] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7256] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7255] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7252] <... futex resumed>) = 0 [pid 7251] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7257] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7252] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... futex resumed>) = 0 [pid 7255] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7251] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7257] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7255] <... openat resumed>) = 3 [pid 7252] <... futex resumed>) = 1 [pid 7257] close(3 [pid 7256] <... futex resumed>) = 0 [pid 7255] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7259] <... write resumed>) = 1048576 [pid 7256] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7255] <... futex resumed>) = 1 [pid 7251] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7256] <... openat resumed>) = 3 [pid 7251] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7251] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7260 attached [pid 7259] munmap(0x7f3940e00000, 138412032 [pid 7257] <... close resumed>) = 0 [pid 7256] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... mmap resumed>) = 0x200000000000 [pid 7251] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7260 [pid 7260] set_robust_list(0x55558704b6a0, 24 [pid 7257] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7257] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] <... futex resumed>) = 0 [pid 7256] <... futex resumed>) = 1 [pid 7252] <... futex resumed>) = 0 [pid 7260] <... set_robust_list resumed>) = 0 [pid 7256] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... futex resumed>) = 0 [pid 7256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7253] <... futex resumed>) = 1 [pid 7252] <... futex resumed>) = 0 [pid 7260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7257] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7256] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7255] <... futex resumed>) = 1 [pid 7253] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7251] <... futex resumed>) = 0 [pid 7257] <... openat resumed>) = 3 [pid 7256] <... mmap resumed>) = 0x200000000000 [pid 7256] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... prctl resumed>) = 0 [pid 7256] <... futex resumed>) = 1 [pid 7255] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7252] <... futex resumed>) = 0 [pid 7251] <... futex resumed>) = 0 [pid 7257] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... futex resumed>) = 1 [pid 7253] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = 0 [pid 7260] setpgid(0, 0 [pid 7259] <... munmap resumed>) = 0 [pid 7257] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7256] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7255] +++ killed by SIGBUS +++ [pid 7253] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... setpgid resumed>) = 0 [pid 7259] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7257] <... mmap resumed>) = 0x200000000000 [pid 7253] <... futex resumed>) = 0 [pid 7257] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7257] <... futex resumed>) = 0 [pid 7253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7253] <... futex resumed>) = 0 [pid 7260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7259] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7257] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7256] +++ killed by SIGBUS +++ [pid 7252] +++ killed by SIGBUS +++ [pid 7253] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... openat resumed>) = 3 [pid 7259] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7252, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7260] write(3, "1000", 4 [pid 7253] <... futex resumed>) = ? [pid 7251] +++ killed by SIGBUS +++ [pid 7260] <... write resumed>) = 4 [pid 7257] +++ killed by SIGBUS +++ [pid 7253] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7251, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7260] close(3) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7253, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7260] write(1, "executing program\n", 18 [pid 7259] <... close resumed>) = 0 executing program [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7260] <... write resumed>) = 18 [pid 7259] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7260] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] <... futex resumed>) = 1 [pid 7258] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7261 attached [pid 7260] <... futex resumed>) = 0 [pid 7259] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7260] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7258] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7261 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7260] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7259] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7258] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7261] <... prctl resumed>) = 0 [pid 7260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7261] setpgid(0, 0 [pid 7260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7259] <... openat resumed>) = 3 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7261] <... setpgid resumed>) = 0 [pid 7260] <... mmap resumed>) = 0x7f3949327000 [pid 7259] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7260] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7259] <... futex resumed>) = 1 [pid 7258] <... futex resumed>) = 0 [pid 7261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7260] <... mprotect resumed>) = 0 [pid 7259] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7258] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7262 attached [pid 7262] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7263 attached [pid 7261] <... openat resumed>) = 3 [pid 7260] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7259] <... mmap resumed>) = 0x200000000000 [pid 7258] <... futex resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7262 [pid 7263] set_robust_list(0x55558704b6a0, 24 [pid 7259] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7263 [pid 7263] <... set_robust_list resumed>) = 0 [pid 7259] <... futex resumed>) = 0 [pid 7258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7262] setpgid(0, 0 [pid 7261] write(3, "1000", 4 [pid 7260] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7259] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... prctl resumed>) = 0 [pid 7262] <... setpgid resumed>) = 0 [pid 7261] <... write resumed>) = 4 [pid 7260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7258] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7264 attached [pid 7263] setpgid(0, 0 [pid 7262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7261] close(3 [pid 7259] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7258] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7264] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7263] <... setpgid resumed>) = 0 [pid 7262] <... openat resumed>) = 3 [pid 7261] <... close resumed>) = 0 executing program executing program [pid 7260] <... clone3 resumed> => {parent_tid=[7264]}, 88) = 7264 [pid 7258] <... futex resumed>) = ? [pid 7264] <... rseq resumed>) = 0 [pid 7263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7261] write(1, "executing program\n", 18 [pid 7259] +++ killed by SIGBUS +++ [pid 7262] write(3, "1000", 4 [pid 7261] <... write resumed>) = 18 [pid 7260] rt_sigprocmask(SIG_SETMASK, [], [pid 7262] <... write resumed>) = 4 [pid 7261] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7262] close(3 [pid 7261] <... futex resumed>) = 0 [pid 7260] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... close resumed>) = 0 [pid 7261] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7260] <... futex resumed>) = 0 [pid 7262] write(1, "executing program\n", 18 [pid 7261] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7260] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7262] <... write resumed>) = 18 [pid 7261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7262] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7262] <... futex resumed>) = 0 [pid 7261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7258] +++ killed by SIGBUS +++ [pid 7263] <... openat resumed>) = 3 [pid 7262] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7264] set_robust_list(0x7f39493479a0, 24 [pid 7261] <... mmap resumed>) = 0x7f3949327000 [pid 7263] write(3, "1000", 4 [pid 7264] <... set_robust_list resumed>) = 0 [pid 7262] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7264] rt_sigprocmask(SIG_SETMASK, [], [pid 7263] <... write resumed>) = 4 [pid 7262] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7261] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7258, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7263] close(3 [pid 7262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7261] <... mprotect resumed>) = 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7264] memfd_create("syzkaller", 0 [pid 7263] <... close resumed>) = 0 [pid 7262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7261] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] <... restart_syscall resumed>) = 0 [pid 7264] <... memfd_create resumed>) = 3 [pid 7263] write(1, "executing program\n", 18 [pid 7262] <... mmap resumed>) = 0x7f3949327000 executing program [pid 7261] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7263] <... write resumed>) = 18 [pid 7262] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7264] <... mmap resumed>) = 0x7f3940e00000 [pid 7263] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... mprotect resumed>) = 0 [pid 7261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7262] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7265 attached [pid 7263] <... futex resumed>) = 0 [pid 7262] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7263] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7265] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7262] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7261] <... clone3 resumed> => {parent_tid=[7265]}, 88) = 7265 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7266 attached [pid 7265] <... rseq resumed>) = 0 [pid 7263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7261] rt_sigprocmask(SIG_SETMASK, [], [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7266] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7265] set_robust_list(0x7f39493479a0, 24 [pid 7263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7266] <... rseq resumed>) = 0 [pid 7263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7266] set_robust_list(0x7f39493479a0, 24 [pid 7265] <... set_robust_list resumed>) = 0 [pid 7266] <... set_robust_list resumed>) = 0 [pid 7265] rt_sigprocmask(SIG_SETMASK, [], [pid 7263] <... mmap resumed>) = 0x7f3949327000 [pid 7262] <... clone3 resumed> => {parent_tid=[7266]}, 88) = 7266 [pid 7261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7266] rt_sigprocmask(SIG_SETMASK, [], [pid 7265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7263] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7262] rt_sigprocmask(SIG_SETMASK, [], [pid 7261] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7261] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7267 attached [pid 7266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7265] memfd_create("syzkaller", 0 [pid 7263] <... mprotect resumed>) = 0 [pid 7262] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7267] set_robust_list(0x55558704b6a0, 24 [pid 7262] <... futex resumed>) = 0 [pid 7262] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7266] memfd_create("syzkaller", 0 [pid 7267] <... set_robust_list resumed>) = 0 [pid 7266] <... memfd_create resumed>) = 3 [pid 7265] <... memfd_create resumed>) = 3 [pid 7263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7267 [pid 7267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7267] <... prctl resumed>) = 0 [pid 7266] <... mmap resumed>) = 0x7f3940e00000 [pid 7265] <... mmap resumed>) = 0x7f3940e00000 [pid 7264] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7267] setpgid(0, 0./strace-static-x86_64: Process 7268 attached ) = 0 [pid 7267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7268] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7263] <... clone3 resumed> => {parent_tid=[7268]}, 88) = 7268 [pid 7268] <... rseq resumed>) = 0 [pid 7267] write(3, "1000", 4 [pid 7266] <... write resumed>) = 1048576 [pid 7265] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7264] <... write resumed>) = 1048576 [pid 7263] rt_sigprocmask(SIG_SETMASK, [], [pid 7268] set_robust_list(0x7f39493479a0, 24 [pid 7267] <... write resumed>) = 4 [pid 7263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7263] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7268] <... set_robust_list resumed>) = 0 [pid 7268] rt_sigprocmask(SIG_SETMASK, [], [pid 7263] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7268] memfd_create("syzkaller", 0) = 3 [pid 7268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7267] close(3) = 0 executing program [pid 7267] write(1, "executing program\n", 18) = 18 [pid 7267] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7267] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7267] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7264] munmap(0x7f3940e00000, 138412032 [pid 7267] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7267] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7264] <... munmap resumed>) = 0 [pid 7267] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7267] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7266] munmap(0x7f3940e00000, 138412032) = 0 [pid 7267] <... clone3 resumed> => {parent_tid=[7269]}, 88) = 7269 [pid 7264] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7264] close(3./strace-static-x86_64: Process 7269 attached [pid 7268] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7267] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... write resumed>) = 1048576 [pid 7266] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7269] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7267] <... futex resumed>) = 0 [pid 7267] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7266] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7269] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7266] close(3 [pid 7265] munmap(0x7f3940e00000, 138412032 [pid 7269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7264] <... close resumed>) = 0 [pid 7269] memfd_create("syzkaller", 0 [pid 7268] <... write resumed>) = 1048576 [pid 7266] <... close resumed>) = 0 [pid 7265] <... munmap resumed>) = 0 [pid 7269] <... memfd_create resumed>) = 3 [pid 7268] munmap(0x7f3940e00000, 138412032 [pid 7266] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7264] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7268] <... munmap resumed>) = 0 [pid 7266] <... futex resumed>) = 1 [pid 7265] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7264] <... futex resumed>) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = 0 [pid 7269] <... mmap resumed>) = 0x7f3940e00000 [pid 7266] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7265] close(3 [pid 7260] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7264] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7262] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 0 [pid 7268] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7264] <... openat resumed>) = 3 [pid 7262] <... futex resumed>) = 0 [pid 7260] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] close(3 [pid 7264] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... close resumed>) = 0 [pid 7264] <... futex resumed>) = 1 [pid 7260] <... futex resumed>) = 0 [pid 7260] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7260] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7264] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7268] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7265] <... close resumed>) = 0 [pid 7264] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7265] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 1 [pid 7260] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 1 [pid 7266] <... openat resumed>) = 3 [pid 7263] <... futex resumed>) = 0 [pid 7260] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7266] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... futex resumed>) = 1 [pid 7264] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7263] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = 0 [pid 7260] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7266] <... futex resumed>) = 1 [pid 7265] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = 0 [pid 7261] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7266] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7264] +++ killed by SIGBUS +++ [pid 7261] <... futex resumed>) = 0 [pid 7263] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7265] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7265] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7269] <... write resumed>) = 1048576 [pid 7268] <... openat resumed>) = 3 [pid 7262] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] +++ killed by SIGBUS +++ [pid 7268] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] munmap(0x7f3940e00000, 138412032 [pid 7266] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = 1 [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7268] <... futex resumed>) = 1 [pid 7266] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7263] <... futex resumed>) = 0 [pid 7261] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7266] <... mmap resumed>) = 0x200000000000 [pid 7265] <... futex resumed>) = 0 [pid 7263] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 1 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7260, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7266] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7263] <... futex resumed>) = 0 [pid 7262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7266] <... futex resumed>) = 0 [pid 7265] <... mmap resumed>) = 0x200000000000 [pid 7263] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7262] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... mmap resumed>) = 0x200000000000 [pid 7266] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7265] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 7268] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7269] <... munmap resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7266] +++ killed by SIGBUS +++ [pid 7265] <... futex resumed>) = 0 [pid 7263] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7262] +++ killed by SIGBUS +++ [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7265] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7263] <... futex resumed>) = 0 [pid 7269] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7263] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7269] close(3 [pid 7268] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7261] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7265] <... futex resumed>) = 0 [pid 7261] <... futex resumed>) = 1 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7262, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7268] +++ killed by SIGBUS +++ [pid 7265] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7263] <... futex resumed>) = ? [pid 7261] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7270 attached [pid 7261] <... futex resumed>) = ? [pid 5828] <... restart_syscall resumed>) = 0 [pid 7265] +++ killed by SIGBUS +++ [pid 7261] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7270] set_robust_list(0x55558704b6a0, 24 [pid 7269] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7261, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7270] <... set_robust_list resumed>) = 0 [pid 7269] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] +++ killed by SIGBUS +++ [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7270 [pid 7270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7269] <... futex resumed>) = 1 [pid 7267] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7263, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7270] setpgid(0, 0 [pid 7269] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7270] <... setpgid resumed>) = 0 [pid 7269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... futex resumed>) = 0 [pid 7270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7269] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7270] write(3, "1000", 4 [pid 7267] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7270] <... write resumed>) = 4 [pid 7269] <... openat resumed>) = 3 [pid 7270] close(3) = 0 ./strace-static-x86_64: Process 7271 attached executing program [pid 7270] write(1, "executing program\n", 18) = 18 [pid 7269] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7269] <... futex resumed>) = 1 [pid 7267] <... futex resumed>) = 0 [pid 7271] set_robust_list(0x55558704b6a0, 24 [pid 7270] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7269] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7271 [pid 7271] <... set_robust_list resumed>) = 0 [pid 7270] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7267] <... futex resumed>) = 0 [pid 7270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... restart_syscall resumed>) = 0 [pid 7270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7269] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7269] <... mmap resumed>) = 0x200000000000 [pid 7271] <... prctl resumed>) = 0 [pid 7271] setpgid(0, 0 [pid 7270] <... mmap resumed>) = 0x7f3949327000 [pid 7269] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... setpgid resumed>) = 0 [pid 7270] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7270] <... mprotect resumed>) = 0 [pid 7269] <... futex resumed>) = 1 [pid 7267] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7271] <... openat resumed>) = 3 [pid 7270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7269] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7267] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7267] <... futex resumed>) = ? [pid 7271] write(3, "1000", 4 [pid 7270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7269] +++ killed by SIGBUS +++ [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7272 attached [pid 7271] <... write resumed>) = 4 [pid 7272] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7271] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7273 attached [pid 7272] <... rseq resumed>) = 0 [pid 7271] <... close resumed>) = 0 executing program [pid 7270] <... clone3 resumed> => {parent_tid=[7272]}, 88) = 7272 [pid 7267] +++ killed by SIGBUS +++ [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7273] set_robust_list(0x55558704b6a0, 24 [pid 7272] set_robust_list(0x7f39493479a0, 24 [pid 7271] write(1, "executing program\n", 18) = 18 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7267, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7272] <... set_robust_list resumed>) = 0 [pid 7271] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7273] <... set_robust_list resumed>) = 0 [pid 7272] rt_sigprocmask(SIG_SETMASK, [], [pid 7271] <... futex resumed>) = 0 [pid 7270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7274 attached [pid 7273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7270] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7273 [pid 7271] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7274] set_robust_list(0x55558704b6a0, 24 [pid 7273] <... prctl resumed>) = 0 [pid 7272] memfd_create("syzkaller", 0 [pid 7270] <... futex resumed>) = 0 [pid 7274] <... set_robust_list resumed>) = 0 [pid 7272] <... memfd_create resumed>) = 3 [pid 7270] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7273] setpgid(0, 0 [pid 7272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7271] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7274 [pid 7274] <... prctl resumed>) = 0 [pid 7273] <... setpgid resumed>) = 0 [pid 7272] <... mmap resumed>) = 0x7f3940e00000 [pid 7271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 7274] setpgid(0, 0 [pid 7273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7273] <... openat resumed>) = 3 [pid 7271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7271] <... mmap resumed>) = 0x7f3949327000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7271] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7275 attached ) = 0 [pid 7273] write(3, "1000", 4) = 4 [pid 7273] close(3) = 0 [pid 7273] write(1, "executing program\n", 18 [pid 7275] set_robust_list(0x55558704b6a0, 24 [pid 7273] <... write resumed>) = 18 [pid 7271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7275] <... set_robust_list resumed>) = 0 [pid 7273] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7273] <... futex resumed>) = 0 [pid 7273] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7275] <... prctl resumed>) = 0 [pid 7273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7275] setpgid(0, 0 [pid 7273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7275 [pid 7275] <... setpgid resumed>) = 0 [pid 7273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7271] <... clone3 resumed> => {parent_tid=[7276]}, 88) = 7276 ./strace-static-x86_64: Process 7276 attached [pid 7275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7274] <... setpgid resumed>) = 0 [pid 7273] <... mmap resumed>) = 0x7f3949327000 [pid 7271] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7273] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7271] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7275] <... openat resumed>) = 3 [pid 7274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7273] <... mprotect resumed>) = 0 [pid 7271] <... futex resumed>) = 0 [pid 7276] <... rseq resumed>) = 0 [pid 7271] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7276] set_robust_list(0x7f39493479a0, 24 [pid 7275] write(3, "1000", 4 [pid 7274] <... openat resumed>) = 3 [pid 7273] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7276] <... set_robust_list resumed>) = 0 [pid 7274] write(3, "1000", 4 [pid 7276] rt_sigprocmask(SIG_SETMASK, [], [pid 7274] <... write resumed>) = 4 [pid 7276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7275] <... write resumed>) = 4 [pid 7274] close(3 [pid 7276] memfd_create("syzkaller", 0 [pid 7274] <... close resumed>) = 0 executing program [pid 7276] <... memfd_create resumed>) = 3 [pid 7274] write(1, "executing program\n", 18 [pid 7276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7274] <... write resumed>) = 18 [pid 7276] <... mmap resumed>) = 0x7f3940e00000 [pid 7274] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] close(3 [pid 7273] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7272] <... write resumed>) = 1048576 [pid 7275] <... close resumed>) = 0 executing program [pid 7273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7275] write(1, "executing program\n", 18 [pid 7272] munmap(0x7f3940e00000, 138412032 [pid 7274] <... futex resumed>) = 0 [pid 7274] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7274] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7274] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7277 attached ) = 0 [pid 7275] <... write resumed>) = 18 [pid 7274] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7273] <... clone3 resumed> => {parent_tid=[7277]}, 88) = 7277 [pid 7272] <... munmap resumed>) = 0 [pid 7275] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] rt_sigprocmask(SIG_SETMASK, [], [pid 7272] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7275] <... futex resumed>) = 0 [pid 7273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7275] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7273] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7273] <... futex resumed>) = 0 [pid 7275] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7273] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7272] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7272] close(3 [pid 7277] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7275] <... mmap resumed>) = 0x7f3949327000 [pid 7274] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7277] <... rseq resumed>) = 0 [pid 7274] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7278 attached [pid 7277] set_robust_list(0x7f39493479a0, 24 [pid 7275] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7278] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7277] <... set_robust_list resumed>) = 0 [pid 7275] <... mprotect resumed>) = 0 [pid 7274] <... clone3 resumed> => {parent_tid=[7278]}, 88) = 7278 [pid 7278] <... rseq resumed>) = 0 [pid 7277] rt_sigprocmask(SIG_SETMASK, [], [pid 7274] rt_sigprocmask(SIG_SETMASK, [], [pid 7278] set_robust_list(0x7f39493479a0, 24 [pid 7277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7275] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7278] <... set_robust_list resumed>) = 0 [pid 7277] memfd_create("syzkaller", 0 [pid 7274] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] rt_sigprocmask(SIG_SETMASK, [], [pid 7277] <... memfd_create resumed>) = 3 [pid 7274] <... futex resumed>) = 0 [pid 7278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7274] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7278] memfd_create("syzkaller", 0 [pid 7277] <... mmap resumed>) = 0x7f3940e00000 [pid 7278] <... memfd_create resumed>) = 3 [pid 7276] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7275] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7272] <... close resumed>) = 0 [pid 7278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7275] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7279 attached => {parent_tid=[7279]}, 88) = 7279 [pid 7278] <... mmap resumed>) = 0x7f3940e00000 [pid 7275] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7275] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7272] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7275] <... futex resumed>) = 0 [pid 7272] <... futex resumed>) = 1 [pid 7270] <... futex resumed>) = 0 [pid 7279] <... rseq resumed>) = 0 [pid 7275] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7272] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7279] set_robust_list(0x7f39493479a0, 24 [pid 7278] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7276] <... write resumed>) = 1048576 [pid 7270] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... set_robust_list resumed>) = 0 [pid 7279] rt_sigprocmask(SIG_SETMASK, [], [pid 7270] <... futex resumed>) = 1 [pid 7279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7270] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] memfd_create("syzkaller", 0) = 3 [pid 7272] <... futex resumed>) = 0 [pid 7279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7276] munmap(0x7f3940e00000, 138412032 [pid 7272] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7276] <... munmap resumed>) = 0 [pid 7272] <... openat resumed>) = 3 [pid 7276] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7272] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7272] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] close(3) = 0 [pid 7279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7270] <... futex resumed>) = 0 [pid 7270] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7270] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] <... futex resumed>) = 0 [pid 7272] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 0 [pid 7272] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... write resumed>) = 1048576 [pid 7270] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... write resumed>) = 1048576 [pid 7278] <... write resumed>) = 1048576 [pid 7277] munmap(0x7f3940e00000, 138412032 [pid 7276] <... futex resumed>) = 1 [pid 7272] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = 0 [pid 7270] <... futex resumed>) = 1 [pid 7279] munmap(0x7f3940e00000, 138412032 [pid 7278] munmap(0x7f3940e00000, 138412032 [pid 7277] <... munmap resumed>) = 0 [pid 7276] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7272] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7271] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] <... munmap resumed>) = 0 [pid 7277] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7271] <... futex resumed>) = 0 [pid 7270] <... futex resumed>) = ? [pid 7279] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7278] <... munmap resumed>) = 0 [pid 7277] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7279] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7278] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7277] close(3 [pid 7272] +++ killed by SIGBUS +++ [pid 7271] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] close(3 [pid 7278] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7278] close(3 [pid 7276] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7270] +++ killed by SIGBUS +++ [pid 7279] <... close resumed>) = 0 [pid 7278] <... close resumed>) = 0 [pid 7277] <... close resumed>) = 0 [pid 7276] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7270, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7279] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7279] <... futex resumed>) = 1 [pid 7278] <... futex resumed>) = 1 [pid 7277] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 1 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7279] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7278] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... futex resumed>) = 1 [pid 7276] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7275] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = 0 [pid 7271] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 0 [pid 7273] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = 0 [pid 7279] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7278] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7275] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... futex resumed>) = 0 [pid 7271] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7279] <... openat resumed>) = 3 [pid 7278] <... openat resumed>) = 3 [pid 7277] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7276] <... mmap resumed>) = 0x200000000000 [pid 7273] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7279] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... openat resumed>) = 3 [pid 7276] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = 1 [pid 7278] <... futex resumed>) = 1 [pid 7277] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = 0 [pid 7276] <... futex resumed>) = 1 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7279] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7278] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... futex resumed>) = 1 [pid 7275] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] <... futex resumed>) = 0 [pid 7271] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 0 [pid 7273] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7279] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7278] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7275] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] <... futex resumed>) = 0 [pid 7279] <... mmap resumed>) = 0x200000000000 [pid 7277] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7277] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7273] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7273] <... futex resumed>) = ? [pid 7279] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7275] <... futex resumed>) = 0 [pid 7279] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7275] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7278] <... mmap resumed>) = 0x200000000000 [pid 7275] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7280 attached [pid 7279] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7277] +++ killed by SIGBUS +++ [pid 7275] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] set_robust_list(0x55558704b6a0, 24 [pid 7275] <... futex resumed>) = ? [pid 7279] +++ killed by SIGBUS +++ [pid 7280] <... set_robust_list resumed>) = 0 [pid 7276] +++ killed by SIGBUS +++ [pid 7275] +++ killed by SIGBUS +++ [pid 7271] +++ killed by SIGBUS +++ [pid 7280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7271, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7280] <... prctl resumed>) = 0 [pid 7280] setpgid(0, 0 [pid 7278] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] +++ killed by SIGBUS +++ [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7280 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7275, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7280] <... setpgid resumed>) = 0 [pid 7278] <... futex resumed>) = 1 [pid 7274] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7273, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7278] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7274] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] <... openat resumed>) = 3 [pid 7278] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7274] <... futex resumed>) = ? [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7280] write(3, "1000", 4 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7281 attached [pid 7280] <... write resumed>) = 4 [pid 7280] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7280] <... close resumed>) = 0 executing program [pid 7280] write(1, "executing program\n", 18) = 18 [pid 7280] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7280] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, ./strace-static-x86_64: Process 7282 attached [pid 7281] set_robust_list(0x55558704b6a0, 24 [pid 7280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7278] +++ killed by SIGBUS +++ [pid 7274] +++ killed by SIGBUS +++ [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7282 [pid 7282] set_robust_list(0x55558704b6a0, 24 [pid 7281] <... set_robust_list resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7274, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7281 ./strace-static-x86_64: Process 7283 attached [pid 7282] <... set_robust_list resumed>) = 0 [pid 7281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7283] set_robust_list(0x55558704b6a0, 24 [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7283] <... set_robust_list resumed>) = 0 [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7283 [pid 7283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7282] <... prctl resumed>) = 0 [pid 7281] <... prctl resumed>) = 0 [pid 7280] <... mmap resumed>) = 0x7f3949327000 [pid 7283] <... prctl resumed>) = 0 [pid 7282] setpgid(0, 0 [pid 7281] setpgid(0, 0 [pid 7280] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5827] <... restart_syscall resumed>) = 0 [pid 7283] setpgid(0, 0 [pid 7282] <... setpgid resumed>) = 0 [pid 7281] <... setpgid resumed>) = 0 [pid 7280] <... mprotect resumed>) = 0 [pid 7283] <... setpgid resumed>) = 0 [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7284 attached [pid 7283] <... openat resumed>) = 3 [pid 7282] <... openat resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7284] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7281] <... openat resumed>) = 3 [pid 7280] <... clone3 resumed> => {parent_tid=[7284]}, 88) = 7284 [pid 7284] <... rseq resumed>) = 0 [pid 7283] write(3, "1000", 4 [pid 7280] rt_sigprocmask(SIG_SETMASK, [], [pid 7284] set_robust_list(0x7f39493479a0, 24 [pid 7283] <... write resumed>) = 4 [pid 7282] write(3, "1000", 4 [pid 7281] write(3, "1000", 4 [pid 7280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7284] <... set_robust_list resumed>) = 0 [pid 7283] close(3 [pid 7282] <... write resumed>) = 4 [pid 7281] <... write resumed>) = 4 [pid 7280] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7284] rt_sigprocmask(SIG_SETMASK, [], [pid 7281] close(3 [pid 7284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7283] <... close resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [pid 7284] memfd_create("syzkaller", 0 [pid 7283] write(1, "executing program\n", 18 [pid 7280] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7283] <... write resumed>) = 18 [pid 7284] <... memfd_create resumed>) = 3 executing program [pid 7283] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7285 attached [pid 7284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7283] <... futex resumed>) = 0 [pid 7285] set_robust_list(0x55558704b6a0, 24 [pid 7284] <... mmap resumed>) = 0x7f3940e00000 [pid 7283] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7282] close(3executing program executing program [pid 7281] <... close resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7285 [pid 7282] <... close resumed>) = 0 [pid 7281] write(1, "executing program\n", 18 [pid 7282] write(1, "executing program\n", 18 [pid 7281] <... write resumed>) = 18 [pid 7282] <... write resumed>) = 18 [pid 7281] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = 0 [pid 7281] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7282] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7281] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7282] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7285] <... set_robust_list resumed>) = 0 [pid 7284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7283] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7284] <... write resumed>) = 1048576 [pid 7283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7285] <... prctl resumed>) = 0 [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7281] <... mmap resumed>) = 0x7f3949327000 [pid 7283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7282] <... mmap resumed>) = 0x7f3949327000 [pid 7281] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7282] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7283] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7285] setpgid(0, 0 [pid 7283] <... mprotect resumed>) = 0 [pid 7282] <... mprotect resumed>) = 0 [pid 7281] <... mprotect resumed>) = 0 [pid 7285] <... setpgid resumed>) = 0 [pid 7285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7285] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7286 attached [pid 7283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7287 attached [pid 7287] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7286] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7282] <... clone3 resumed> => {parent_tid=[7287]}, 88) = 7287 [pid 7287] <... rseq resumed>) = 0 [pid 7286] <... rseq resumed>) = 0 [pid 7282] rt_sigprocmask(SIG_SETMASK, [], [pid 7281] <... clone3 resumed> => {parent_tid=[7286]}, 88) = 7286 [pid 7287] set_robust_list(0x7f39493479a0, 24 [pid 7286] set_robust_list(0x7f39493479a0, 24 [pid 7282] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7288 attached [pid 7287] <... set_robust_list resumed>) = 0 [pid 7286] <... set_robust_list resumed>) = 0 [pid 7282] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] rt_sigprocmask(SIG_SETMASK, [], [pid 7287] rt_sigprocmask(SIG_SETMASK, [], [pid 7286] rt_sigprocmask(SIG_SETMASK, [], [pid 7283] <... clone3 resumed> => {parent_tid=[7288]}, 88) = 7288 [pid 7282] <... futex resumed>) = 0 [pid 7281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7282] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7281] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] write(3, "1000", 4 [pid 7283] rt_sigprocmask(SIG_SETMASK, [], [pid 7286] memfd_create("syzkaller", 0 [pid 7281] <... futex resumed>) = 0 [pid 7285] <... write resumed>) = 4 [pid 7283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7288] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7285] close(3 [pid 7283] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... rseq resumed>) = 0 [pid 7285] <... close resumed>) = 0 [pid 7283] <... futex resumed>) = 0 [pid 7288] set_robust_list(0x7f39493479a0, 24 [pid 7287] memfd_create("syzkaller", 0 [pid 7285] write(1, "executing program\n", 18 [pid 7283] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7281] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 7287] <... memfd_create resumed>) = 3 [pid 7286] <... memfd_create resumed>) = 3 [pid 7288] <... set_robust_list resumed>) = 0 [pid 7285] <... write resumed>) = 18 [pid 7288] rt_sigprocmask(SIG_SETMASK, [], [pid 7286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7285] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7286] <... mmap resumed>) = 0x7f3940e00000 [pid 7285] <... futex resumed>) = 0 [pid 7288] memfd_create("syzkaller", 0 [pid 7287] <... mmap resumed>) = 0x7f3940e00000 [pid 7286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7285] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7284] munmap(0x7f3940e00000, 138412032 [pid 7288] <... memfd_create resumed>) = 3 [pid 7285] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7284] <... munmap resumed>) = 0 [pid 7288] <... mmap resumed>) = 0x7f3940e00000 [pid 7285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7284] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7285] <... mmap resumed>) = 0x7f3949327000 [pid 7284] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7285] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7284] close(3 [pid 7285] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7289 attached => {parent_tid=[7289]}, 88) = 7289 [pid 7285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7285] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7285] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7289] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7289] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7287] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7289] memfd_create("syzkaller", 0) = 3 [pid 7289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7286] <... write resumed>) = 1048576 [pid 7289] <... mmap resumed>) = 0x7f3940e00000 [pid 7287] <... write resumed>) = 1048576 [pid 7284] <... close resumed>) = 0 [pid 7289] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7288] <... write resumed>) = 1048576 [pid 7286] munmap(0x7f3940e00000, 138412032 [pid 7287] munmap(0x7f3940e00000, 138412032 [pid 7284] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7284] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] <... futex resumed>) = 0 [pid 7280] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = 0 [pid 7284] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7284] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7284] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] <... futex resumed>) = 1 [pid 7286] <... munmap resumed>) = 0 [pid 7280] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7288] munmap(0x7f3940e00000, 138412032 [pid 7287] <... munmap resumed>) = 0 [pid 7286] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7280] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7288] <... munmap resumed>) = 0 [pid 7289] <... write resumed>) = 1048576 [pid 7287] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7286] close(3 [pid 7284] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = 1 [pid 7289] munmap(0x7f3940e00000, 138412032 [pid 7287] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7284] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7289] <... munmap resumed>) = 0 [pid 7288] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7287] close(3 [pid 7286] <... close resumed>) = 0 [pid 7280] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] <... mmap resumed>) = 0x200000000000 [pid 7289] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7288] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7286] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7281] <... futex resumed>) = 0 [pid 7289] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7288] close(3 [pid 7286] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7284] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] close(3 [pid 7287] <... close resumed>) = 0 [pid 7286] <... openat resumed>) = 3 [pid 7284] <... futex resumed>) = 1 [pid 7281] <... futex resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [pid 7284] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7288] <... close resumed>) = 0 [pid 7287] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = 0 [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... futex resumed>) = 0 [pid 7286] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7281] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7281] <... futex resumed>) = 0 [pid 7280] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... futex resumed>) = 1 [pid 7286] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7281] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7289] <... close resumed>) = 0 [pid 7288] <... futex resumed>) = 1 [pid 7287] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] <... mmap resumed>) = 0x200000000000 [pid 7283] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = 0 [pid 7288] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7287] <... futex resumed>) = 0 [pid 7285] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = 1 [pid 7280] <... futex resumed>) = ? [pid 7289] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7287] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7285] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7288] <... futex resumed>) = 0 [pid 7287] <... openat resumed>) = 3 [pid 7286] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... futex resumed>) = 0 [pid 7283] <... futex resumed>) = 1 [pid 7289] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7286] <... futex resumed>) = 1 [pid 7285] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] <... futex resumed>) = 0 [pid 7289] <... openat resumed>) = 3 [pid 7286] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7281] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7281] <... futex resumed>) = 0 [pid 7289] <... futex resumed>) = 1 [pid 7286] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7285] <... futex resumed>) = 0 [pid 7281] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7289] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7285] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7285] <... futex resumed>) = 0 [pid 7281] <... futex resumed>) = ? [pid 7289] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7288] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7287] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] +++ killed by SIGBUS +++ [pid 7285] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] +++ killed by SIGBUS +++ [pid 7280] +++ killed by SIGBUS +++ [pid 7289] <... mmap resumed>) = 0x200000000000 [pid 7288] <... openat resumed>) = 3 [pid 7287] <... futex resumed>) = 1 [pid 7282] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7280, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7288] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7289] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... futex resumed>) = 1 [pid 7287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] <... futex resumed>) = 0 [pid 7282] <... futex resumed>) = 0 [pid 7289] <... futex resumed>) = 1 [pid 7288] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7287] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7285] <... futex resumed>) = 0 [pid 7283] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] +++ killed by SIGBUS +++ [pid 7289] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7287] <... mmap resumed>) = 0x200000000000 [pid 7285] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7281, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7288] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7285] <... futex resumed>) = 0 [pid 7283] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7289] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7288] <... mmap resumed>) = 0x200000000000 [pid 7287] <... futex resumed>) = 1 [pid 7285] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] <... futex resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7288] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... futex resumed>) = 1 [pid 7287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7285] <... futex resumed>) = ? [pid 7283] <... futex resumed>) = 0 [pid 7289] +++ killed by SIGBUS +++ [pid 7288] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7282] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7287] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7285] +++ killed by SIGBUS +++ [pid 7283] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7290 attached [pid 7288] <... futex resumed>) = 0 [pid 7283] <... futex resumed>) = 1 [pid 7282] <... futex resumed>) = ? [pid 7290] set_robust_list(0x55558704b6a0, 24 [pid 7288] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7287] +++ killed by SIGBUS +++ [pid 7283] set_robust_list(0x55558704b6a0, 24./strace-static-x86_64: Process 7291 attached [pid 7290] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7290 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7285, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7291] set_robust_list(0x55558704b6a0, 24 [pid 7290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7282] +++ killed by SIGBUS +++ [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7282, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7291] <... set_robust_list resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7291 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7288] +++ killed by SIGBUS +++ [pid 7283] +++ killed by SIGBUS +++ [pid 7290] <... prctl resumed>) = 0 [pid 7291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7283, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... restart_syscall resumed>) = 0 [pid 7291] <... prctl resumed>) = 0 [pid 7290] setpgid(0, 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7291] setpgid(0, 0 [pid 7290] <... setpgid resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7292 attached [pid 7291] <... setpgid resumed>) = 0 [pid 7292] set_robust_list(0x55558704b6a0, 24 [pid 7290] <... openat resumed>) = 3 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7292 [pid 7291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7292] <... set_robust_list resumed>) = 0 [pid 7290] write(3, "1000", 4 [pid 7292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7291] <... openat resumed>) = 3 [pid 7290] <... write resumed>) = 4 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7291] write(3, "1000", 4) = 4 [pid 7291] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7291] <... close resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7292] <... prctl resumed>) = 0 [pid 7291] write(1, "executing program\n", 18 [pid 7290] close(3 [pid 7292] setpgid(0, 0 [pid 7290] <... close resumed>) = 0 [pid 7292] <... setpgid resumed>) = 0 executing program executing program [pid 7290] write(1, "executing program\n", 18 [pid 7292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7290] <... write resumed>) = 18 ./strace-static-x86_64: Process 7294 attached ./strace-static-x86_64: Process 7293 attached [pid 7291] <... write resumed>) = 18 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7294 [pid 7294] set_robust_list(0x55558704b6a0, 24 [pid 7293] set_robust_list(0x55558704b6a0, 24 [pid 7292] <... openat resumed>) = 3 [pid 7291] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7293 [pid 7294] <... set_robust_list resumed>) = 0 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7292] write(3, "1000", 4 [pid 7291] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 0 [pid 7291] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7290] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7291] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7290] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7292] <... write resumed>) = 4 [pid 7291] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7292] close(3 [pid 7291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7291] <... mmap resumed>) = 0x7f3949327000 [pid 7290] <... mmap resumed>) = 0x7f3949327000 [pid 7292] <... close resumed>) = 0 [pid 7291] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7290] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7294] <... prctl resumed>) = 0 [pid 7293] <... prctl resumed>) = 0 [pid 7292] write(1, "executing program\n", 18 [pid 7291] <... mprotect resumed>) = 0 [pid 7290] <... mprotect resumed>) = 0 [pid 7294] setpgid(0, 0 [pid 7293] setpgid(0, 0executing program [pid 7292] <... write resumed>) = 18 [pid 7291] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7294] <... setpgid resumed>) = 0 [pid 7293] <... setpgid resumed>) = 0 [pid 7292] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7292] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7295 attached [pid 7294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7293] <... openat resumed>) = 3 [pid 7292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7291] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7293] write(3, "1000", 4 [pid 7292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7291] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7290] <... clone3 resumed> => {parent_tid=[7295]}, 88) = 7295 [pid 7295] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7294] <... openat resumed>) = 3 [pid 7293] <... write resumed>) = 4 [pid 7292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7296 attached [pid 7295] <... rseq resumed>) = 0 [pid 7294] write(3, "1000", 4 [pid 7293] close(3 [pid 7292] <... mmap resumed>) = 0x7f3949327000 [pid 7290] rt_sigprocmask(SIG_SETMASK, [], [pid 7296] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7295] set_robust_list(0x7f39493479a0, 24 [pid 7294] <... write resumed>) = 4 [pid 7293] <... close resumed>) = 0 [pid 7292] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7291] <... clone3 resumed> => {parent_tid=[7296]}, 88) = 7296 [pid 7290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7296] <... rseq resumed>) = 0 [pid 7295] <... set_robust_list resumed>) = 0 [pid 7294] close(3executing program [pid 7293] write(1, "executing program\n", 18 [pid 7292] <... mprotect resumed>) = 0 [pid 7291] rt_sigprocmask(SIG_SETMASK, [], [pid 7290] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] set_robust_list(0x7f39493479a0, 24 [pid 7295] rt_sigprocmask(SIG_SETMASK, [], [pid 7294] <... close resumed>) = 0 [pid 7293] <... write resumed>) = 18 [pid 7292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7296] <... set_robust_list resumed>) = 0 [pid 7295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7294] write(1, "executing program\n", 18 [pid 7293] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7291] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... futex resumed>) = 0 [pid 7296] rt_sigprocmask(SIG_SETMASK, [], [pid 7295] memfd_create("syzkaller", 0 [pid 7294] <... write resumed>) = 18 [pid 7293] <... futex resumed>) = 0 [pid 7292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7291] <... futex resumed>) = 0 [pid 7290] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7295] <... memfd_create resumed>) = 3 [pid 7294] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7297 attached [pid 7296] memfd_create("syzkaller", 0 [pid 7295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7294] <... futex resumed>) = 0 [pid 7293] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7291] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7297] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7296] <... memfd_create resumed>) = 3 [pid 7295] <... mmap resumed>) = 0x7f3940e00000 [pid 7294] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7297] <... rseq resumed>) = 0 [pid 7296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7294] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7292] <... clone3 resumed> => {parent_tid=[7297]}, 88) = 7297 [pid 7297] set_robust_list(0x7f39493479a0, 24 [pid 7296] <... mmap resumed>) = 0x7f3940e00000 [pid 7293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7293] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7297] <... set_robust_list resumed>) = 0 [pid 7294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7292] rt_sigprocmask(SIG_SETMASK, [], [pid 7297] rt_sigprocmask(SIG_SETMASK, [], [pid 7294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7292] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7294] <... mmap resumed>) = 0x7f3949327000 [pid 7294] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7297] memfd_create("syzkaller", 0 [pid 7293] <... mprotect resumed>) = 0 [pid 7297] <... memfd_create resumed>) = 3 [pid 7296] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7294] <... mprotect resumed>) = 0 [pid 7293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7292] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7294] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7297] <... mmap resumed>) = 0x7f3940e00000 [pid 7294] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7293] <... clone3 resumed> => {parent_tid=[7298]}, 88) = 7298 [pid 7293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 7298 attached [pid 7298] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7296] <... write resumed>) = 1048576 [pid 7294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7293] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... rseq resumed>) = 0 [pid 7296] munmap(0x7f3940e00000, 138412032 [pid 7293] <... futex resumed>) = 0 [pid 7298] set_robust_list(0x7f39493479a0, 24 [pid 7296] <... munmap resumed>) = 0 [pid 7293] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7298] <... set_robust_list resumed>) = 0 [pid 7298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7298] memfd_create("syzkaller", 0) = 3 [pid 7298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7296] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7298] <... mmap resumed>) = 0x7f3940e00000 [pid 7296] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7296] close(3./strace-static-x86_64: Process 7299 attached [pid 7295] <... write resumed>) = 1048576 [pid 7294] <... clone3 resumed> => {parent_tid=[7299]}, 88) = 7299 [pid 7299] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7299] set_robust_list(0x7f39493479a0, 24 [pid 7295] munmap(0x7f3940e00000, 138412032 [pid 7294] rt_sigprocmask(SIG_SETMASK, [], [pid 7299] <... set_robust_list resumed>) = 0 [pid 7294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7299] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7296] <... close resumed>) = 0 [pid 7295] <... munmap resumed>) = 0 [pid 7294] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... futex resumed>) = 0 [pid 7296] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... futex resumed>) = 1 [pid 7299] memfd_create("syzkaller", 0 [pid 7298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7297] <... write resumed>) = 1048576 [pid 7296] <... futex resumed>) = 1 [pid 7295] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7294] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7291] <... futex resumed>) = 0 [pid 7299] <... memfd_create resumed>) = 3 [pid 7297] munmap(0x7f3940e00000, 138412032 [pid 7296] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7298] <... write resumed>) = 1048576 [pid 7297] <... munmap resumed>) = 0 [pid 7296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] <... futex resumed>) = 0 [pid 7299] <... mmap resumed>) = 0x7f3940e00000 [pid 7298] munmap(0x7f3940e00000, 138412032 [pid 7296] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7295] close(3 [pid 7291] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7297] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7296] <... openat resumed>) = 3 [pid 7297] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7297] close(3 [pid 7298] <... munmap resumed>) = 0 [pid 7296] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... close resumed>) = 0 [pid 7298] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7296] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 [pid 7299] <... write resumed>) = 1048576 [pid 7298] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7296] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7295] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] munmap(0x7f3940e00000, 138412032 [pid 7298] close(3 [pid 7296] <... mmap resumed>) = 0x200000000000 [pid 7295] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 0 [pid 7299] <... munmap resumed>) = 0 [pid 7296] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7296] <... futex resumed>) = 0 [pid 7295] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7290] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7297] <... close resumed>) = 0 [pid 7296] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] close(3 [pid 7297] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7291] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 0 [pid 7298] <... close resumed>) = 0 [pid 7297] <... futex resumed>) = 1 [pid 7296] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7297] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] <... futex resumed>) = 0 [pid 7292] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7297] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7295] <... openat resumed>) = 3 [pid 7291] <... futex resumed>) = ? [pid 7297] <... openat resumed>) = 3 [pid 7296] +++ killed by SIGBUS +++ [pid 7295] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] +++ killed by SIGBUS +++ [pid 7297] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... close resumed>) = 0 [pid 7298] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 1 [pid 7292] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7291, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7299] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 1 [pid 7297] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... futex resumed>) = 0 [pid 7292] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... futex resumed>) = 1 [pid 7298] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7294] <... futex resumed>) = 0 [pid 7293] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7299] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7295] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7294] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 0 [pid 7292] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] <... restart_syscall resumed>) = 0 [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7298] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7297] <... mmap resumed>) = 0x200000000000 [pid 7295] <... mmap resumed>) = 0x200000000000 [pid 7294] <... futex resumed>) = 0 [pid 7293] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7298] <... openat resumed>) = 3 [pid 7297] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... openat resumed>) = 3 [pid 7298] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 1 [pid 7292] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 0 [pid 7299] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 1 [pid 7297] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... futex resumed>) = 0 [pid 7292] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... futex resumed>) = 1 [pid 7298] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7294] <... futex resumed>) = 0 [pid 7293] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7290] <... futex resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7299] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7295] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7294] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 0 [pid 7292] read(1229035008, [pid 7290] read(1229035008, [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7298] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7294] <... futex resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7294] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7298] <... mmap resumed>) = 0x200000000000 [pid 7299] <... mmap resumed>) = 0x200000000000 [pid 7298] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7299] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] +++ killed by SIGBUS +++ [pid 7292] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7299] <... futex resumed>) = 1 [pid 7294] <... futex resumed>) = 0 [pid 7293] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7294] <... futex resumed>) = 0 [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7292, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7293] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7293] <... futex resumed>) = 1 [pid 7293] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7298] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7300 attached [pid 7299] +++ killed by SIGBUS +++ [pid 7298] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7295] +++ killed by SIGBUS +++ [pid 7294] +++ killed by SIGBUS +++ [pid 7290] +++ killed by SIGBUS +++ [pid 7300] set_robust_list(0x55558704b6a0, 24 [pid 7293] <... futex resumed>) = ? [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7290, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7294, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7300 [pid 7300] <... set_robust_list resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7300] <... prctl resumed>) = 0 [pid 7298] +++ killed by SIGBUS +++ [pid 7293] +++ killed by SIGBUS +++ [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7301 attached [pid 7300] setpgid(0, 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7293, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 7300] <... setpgid resumed>) = 0 [pid 7300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7301] set_robust_list(0x55558704b6a0, 24 [pid 7300] <... openat resumed>) = 3 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7301 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7301] <... set_robust_list resumed>) = 0 [pid 7301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7300] write(3, "1000", 4 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7301] <... prctl resumed>) = 0 [pid 7301] setpgid(0, 0 [pid 7300] <... write resumed>) = 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7301] <... setpgid resumed>) = 0 [pid 7300] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7302 attached ./strace-static-x86_64: Process 7304 attached ./strace-static-x86_64: Process 7303 attached [pid 7302] set_robust_list(0x55558704b6a0, 24 [pid 7301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7300] <... close resumed>) = 0 [pid 7304] set_robust_list(0x55558704b6a0, 24 [pid 7302] <... set_robust_list resumed>) = 0 [pid 7300] write(1, "executing program\n", 18 [pid 7304] <... set_robust_list resumed>) = 0 [pid 7304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7300] <... write resumed>) = 18 [pid 7301] <... openat resumed>) = 3 executing program [pid 7304] <... prctl resumed>) = 0 [pid 7300] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7302 [pid 7303] set_robust_list(0x55558704b6a0, 24 [pid 7302] <... prctl resumed>) = 0 [pid 7301] write(3, "1000", 4 [pid 7300] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7304 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7303 [pid 7304] setpgid(0, 0 [pid 7303] <... set_robust_list resumed>) = 0 [pid 7302] setpgid(0, 0 [pid 7301] <... write resumed>) = 4 [pid 7304] <... setpgid resumed>) = 0 [pid 7301] close(3 [pid 7300] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7302] <... setpgid resumed>) = 0 executing program [pid 7301] <... close resumed>) = 0 [pid 7300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7301] write(1, "executing program\n", 18 [pid 7300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7304] <... openat resumed>) = 3 [pid 7303] <... prctl resumed>) = 0 [pid 7301] <... write resumed>) = 18 [pid 7300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7302] <... openat resumed>) = 3 [pid 7300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7304] write(3, "1000", 4 [pid 7301] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 7304] <... write resumed>) = 4 [pid 7303] setpgid(0, 0 [pid 7301] <... futex resumed>) = 0 [pid 7300] <... mmap resumed>) = 0x7f3949327000 [pid 7304] close(3 [pid 7303] <... setpgid resumed>) = 0 [pid 7302] write(3, "1000", 4 [pid 7301] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7300] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7304] <... close resumed>) = 0 [pid 7302] <... write resumed>) = 4 [pid 7301] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7304] write(1, "executing program\n", 18 [pid 7300] <... mprotect resumed>) = 0 [pid 7304] <... write resumed>) = 18 [pid 7304] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7302] close(3 [pid 7301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7304] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, executing program [pid 7302] <... close resumed>) = 0 [pid 7301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7303] <... openat resumed>) = 3 [pid 7304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7302] write(1, "executing program\n", 18 [pid 7301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7303] write(3, "1000", 4 [pid 7302] <... write resumed>) = 18 [pid 7301] <... mmap resumed>) = 0x7f3949327000 ./strace-static-x86_64: Process 7305 attached [pid 7304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7303] <... write resumed>) = 4 [pid 7302] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7305] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7303] close(3 [pid 7301] <... mprotect resumed>) = 0 [pid 7300] <... clone3 resumed> => {parent_tid=[7305]}, 88) = 7305 [pid 7305] <... rseq resumed>) = 0 [pid 7304] <... mmap resumed>) = 0x7f3949327000 [pid 7302] <... futex resumed>) = 0 [pid 7305] set_robust_list(0x7f39493479a0, 24 [pid 7304] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7303] <... close resumed>) = 0 [pid 7302] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7301] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7300] rt_sigprocmask(SIG_SETMASK, [], executing program [pid 7305] <... set_robust_list resumed>) = 0 [pid 7304] <... mprotect resumed>) = 0 [pid 7303] write(1, "executing program\n", 18 [pid 7302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7303] <... write resumed>) = 18 [pid 7305] rt_sigprocmask(SIG_SETMASK, [], [pid 7300] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7303] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... futex resumed>) = 0 [pid 7305] memfd_create("syzkaller", 0 [pid 7304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7303] <... futex resumed>) = 0 [pid 7302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7301] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7300] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7303] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7306 attached [pid 7305] <... memfd_create resumed>) = 3 [pid 7304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7302] <... mmap resumed>) = 0x7f3949327000 ./strace-static-x86_64: Process 7307 attached [pid 7306] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7302] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7307] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7305] <... mmap resumed>) = 0x7f3940e00000 [pid 7303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7307] <... rseq resumed>) = 0 [pid 7306] <... rseq resumed>) = 0 [pid 7304] <... clone3 resumed> => {parent_tid=[7307]}, 88) = 7307 [pid 7302] <... mprotect resumed>) = 0 [pid 7301] <... clone3 resumed> => {parent_tid=[7306]}, 88) = 7306 [pid 7306] set_robust_list(0x7f39493479a0, 24 [pid 7304] rt_sigprocmask(SIG_SETMASK, [], [pid 7303] <... mmap resumed>) = 0x7f3949327000 [pid 7302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7301] rt_sigprocmask(SIG_SETMASK, [], [pid 7304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7304] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7301] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7308 attached [pid 7307] set_robust_list(0x7f39493479a0, 24 [pid 7306] <... set_robust_list resumed>) = 0 [pid 7304] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7303] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7301] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7307] <... set_robust_list resumed>) = 0 [pid 7306] rt_sigprocmask(SIG_SETMASK, [], [pid 7303] <... mprotect resumed>) = 0 [pid 7307] rt_sigprocmask(SIG_SETMASK, [], [pid 7306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7308] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7302] <... clone3 resumed> => {parent_tid=[7308]}, 88) = 7308 [pid 7308] <... rseq resumed>) = 0 [pid 7307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7306] memfd_create("syzkaller", 0 [pid 7303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7302] rt_sigprocmask(SIG_SETMASK, [], [pid 7308] set_robust_list(0x7f39493479a0, 24 [pid 7302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7308] <... set_robust_list resumed>) = 0 [pid 7307] memfd_create("syzkaller", 0 [pid 7303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7302] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] rt_sigprocmask(SIG_SETMASK, [], [pid 7307] <... memfd_create resumed>) = 3 [pid 7306] <... memfd_create resumed>) = 3 [pid 7303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7302] <... futex resumed>) = 0 [pid 7308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7302] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7309 attached [pid 7308] memfd_create("syzkaller", 0 [pid 7309] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7308] <... memfd_create resumed>) = 3 [pid 7309] <... rseq resumed>) = 0 [pid 7308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7309] set_robust_list(0x7f39493479a0, 24 [pid 7308] <... mmap resumed>) = 0x7f3940e00000 [pid 7309] <... set_robust_list resumed>) = 0 [pid 7309] rt_sigprocmask(SIG_SETMASK, [], [pid 7307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7306] <... mmap resumed>) = 0x7f3940e00000 [pid 7303] <... clone3 resumed> => {parent_tid=[7309]}, 88) = 7309 [pid 7307] <... mmap resumed>) = 0x7f3940e00000 [pid 7309] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7303] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = 0 [pid 7303] <... futex resumed>) = 1 [pid 7306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7309] memfd_create("syzkaller", 0 [pid 7303] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7309] <... memfd_create resumed>) = 3 [pid 7307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7305] <... write resumed>) = 1048576 [pid 7305] munmap(0x7f3940e00000, 138412032) = 0 [pid 7305] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7308] <... write resumed>) = 1048576 [pid 7307] <... write resumed>) = 1048576 [pid 7306] <... write resumed>) = 1048576 [pid 7305] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7308] munmap(0x7f3940e00000, 138412032 [pid 7307] munmap(0x7f3940e00000, 138412032 [pid 7306] munmap(0x7f3940e00000, 138412032 [pid 7305] close(3 [pid 7308] <... munmap resumed>) = 0 [pid 7306] <... munmap resumed>) = 0 [pid 7309] <... write resumed>) = 1048576 [pid 7307] <... munmap resumed>) = 0 [pid 7309] munmap(0x7f3940e00000, 138412032 [pid 7307] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7309] <... munmap resumed>) = 0 [pid 7307] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7308] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7307] close(3 [pid 7306] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7309] close(3 [pid 7308] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7306] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7308] close(3 [pid 7309] <... close resumed>) = 0 [pid 7306] close(3 [pid 7309] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... close resumed>) = 0 [pid 7303] <... futex resumed>) = 0 [pid 7309] <... futex resumed>) = 1 [pid 7303] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7303] <... futex resumed>) = 0 [pid 7303] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... openat resumed>) = 3 [pid 7309] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7308] <... close resumed>) = 0 [pid 7307] <... close resumed>) = 0 [pid 7305] <... close resumed>) = 0 [pid 7303] <... futex resumed>) = 0 [pid 7309] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7307] <... futex resumed>) = 1 [pid 7303] <... futex resumed>) = 0 [pid 7305] <... futex resumed>) = 1 [pid 7300] <... futex resumed>) = 0 [pid 7309] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7307] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7303] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... mmap resumed>) = 0x200000000000 [pid 7308] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 7300] <... futex resumed>) = 0 [pid 7309] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 1 [pid 7305] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7304] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7300] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... futex resumed>) = 1 [pid 7308] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] <... futex resumed>) = 0 [pid 7306] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] <... openat resumed>) = 3 [pid 7304] <... futex resumed>) = 1 [pid 7303] <... futex resumed>) = 0 [pid 7302] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7304] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7307] <... openat resumed>) = 3 [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7305] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... futex resumed>) = 0 [pid 7308] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7307] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7305] <... futex resumed>) = 1 [pid 7303] <... futex resumed>) = 1 [pid 7301] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] <... futex resumed>) = 0 [pid 7309] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7308] <... openat resumed>) = 3 [pid 7307] <... futex resumed>) = 1 [pid 7306] <... openat resumed>) = 3 [pid 7305] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] <... futex resumed>) = 0 [pid 7303] ???( [pid 7300] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... futex resumed>) = 1 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 7303] <... ??? resumed>) = ? [pid 7302] <... futex resumed>) = 0 [pid 7300] <... futex resumed>) = 0 [pid 7309] +++ killed by SIGBUS +++ [pid 7308] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7306] <... futex resumed>) = 1 [pid 7305] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7304] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] <... futex resumed>) = 0 [pid 7300] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7307] <... mmap resumed>) = 0x200000000000 [pid 7306] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7305] <... mmap resumed>) = 0x200000000000 [pid 7303] +++ killed by SIGBUS +++ [pid 7302] <... futex resumed>) = 0 [pid 7308] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7307] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7305] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7301] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7303, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7308] <... mmap resumed>) = 0x200000000000 [pid 7307] <... futex resumed>) = 1 [pid 7306] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7305] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7300] <... futex resumed>) = 0 [pid 7308] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... mmap resumed>) = 0x200000000000 [pid 7305] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... futex resumed>) = 1 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] <... futex resumed>) = 0 [pid 7302] <... futex resumed>) = 0 [pid 7300] <... futex resumed>) = 0 [pid 7308] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7306] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7304] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... futex resumed>) = 1 [pid 7302] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7308] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7302] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7306] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7302] <... futex resumed>) = ? [pid 7301] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] +++ killed by SIGBUS +++ [pid 7307] +++ killed by SIGBUS +++ [pid 7306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7305] +++ killed by SIGBUS +++ [pid 7304] +++ killed by SIGBUS +++ [pid 7302] +++ killed by SIGBUS +++ [pid 7300] +++ killed by SIGBUS +++ [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7306] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7301] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7302, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- ./strace-static-x86_64: Process 7310 attached [pid 7306] +++ killed by SIGBUS +++ [pid 7301] +++ killed by SIGBUS +++ [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7304, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7300, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7310] set_robust_list(0x55558704b6a0, 24 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7301, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7310 [pid 7310] <... set_robust_list resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] <... restart_syscall resumed>) = 0 [pid 7310] <... prctl resumed>) = 0 [pid 7310] setpgid(0, 0) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7310] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7311 attached ./strace-static-x86_64: Process 7312 attached [pid 7310] write(3, "1000", 4 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7310] <... write resumed>) = 4 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7311 ./strace-static-x86_64: Process 7313 attached [pid 7311] set_robust_list(0x55558704b6a0, 24 [pid 7312] set_robust_list(0x55558704b6a0, 24 [pid 7310] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7312 [pid 7313] set_robust_list(0x55558704b6a0, 24 [pid 7311] <... set_robust_list resumed>) = 0 [pid 7312] <... set_robust_list resumed>) = 0 [pid 7310] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7313 [pid 7313] <... set_robust_list resumed>) = 0 [pid 7311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7310] write(1, "executing program\n", 18 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 7313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7310] <... write resumed>) = 18 ./strace-static-x86_64: Process 7314 attached [pid 7311] <... prctl resumed>) = 0 [pid 7312] <... prctl resumed>) = 0 [pid 7310] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] set_robust_list(0x55558704b6a0, 24 [pid 7311] setpgid(0, 0 [pid 7312] setpgid(0, 0 [pid 7310] <... futex resumed>) = 0 [pid 7314] <... set_robust_list resumed>) = 0 [pid 7313] <... prctl resumed>) = 0 [pid 7311] <... setpgid resumed>) = 0 [pid 7312] <... setpgid resumed>) = 0 [pid 7310] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7313] setpgid(0, 0 [pid 7311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7314] <... prctl resumed>) = 0 [pid 7313] <... setpgid resumed>) = 0 [pid 7311] <... openat resumed>) = 3 [pid 7312] <... openat resumed>) = 3 [pid 7310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7314 [pid 7314] setpgid(0, 0 [pid 7310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7310] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7314] <... setpgid resumed>) = 0 [pid 7310] <... mprotect resumed>) = 0 [pid 7314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7312] write(3, "1000", 4 [pid 7310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7311] write(3, "1000", 4 [pid 7314] <... openat resumed>) = 3 [pid 7312] <... write resumed>) = 4 [pid 7311] <... write resumed>) = 4 [pid 7312] close(3 [pid 7314] write(3, "1000", 4 [pid 7311] close(3 [pid 7312] <... close resumed>) = 0 [pid 7310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7314] <... write resumed>) = 4 [pid 7311] <... close resumed>) = 0 executing program [pid 7312] write(1, "executing program\n", 18 [pid 7310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7315 attached [pid 7314] close(3 [pid 7313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 7311] write(1, "executing program\n", 18 [pid 7312] <... write resumed>) = 18 [pid 7315] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7314] <... close resumed>) = 0 [pid 7313] <... openat resumed>) = 3 [pid 7311] <... write resumed>) = 18 [pid 7312] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] <... clone3 resumed> => {parent_tid=[7315]}, 88) = 7315 executing program [pid 7315] <... rseq resumed>) = 0 [pid 7314] write(1, "executing program\n", 18 [pid 7311] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = 0 [pid 7310] rt_sigprocmask(SIG_SETMASK, [], [pid 7315] set_robust_list(0x7f39493479a0, 24 [pid 7314] <... write resumed>) = 18 [pid 7313] write(3, "1000", 4 [pid 7311] <... futex resumed>) = 0 [pid 7312] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7315] <... set_robust_list resumed>) = 0 [pid 7314] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... write resumed>) = 4 [pid 7311] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7312] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7310] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] rt_sigprocmask(SIG_SETMASK, [], [pid 7314] <... futex resumed>) = 0 [pid 7313] close(3 [pid 7311] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7312] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7310] <... futex resumed>) = 0 [pid 7315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7314] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7313] <... close resumed>) = 0 [pid 7311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7310] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7315] memfd_create("syzkaller", 0executing program [pid 7314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7313] write(1, "executing program\n", 18 [pid 7311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7313] <... write resumed>) = 18 [pid 7311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7312] <... mmap resumed>) = 0x7f3949327000 [pid 7315] <... memfd_create resumed>) = 3 [pid 7314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7313] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... mmap resumed>) = 0x7f3949327000 [pid 7312] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7313] <... futex resumed>) = 0 [pid 7311] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7312] <... mprotect resumed>) = 0 [pid 7315] <... mmap resumed>) = 0x7f3940e00000 [pid 7314] <... mmap resumed>) = 0x7f3949327000 [pid 7313] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7311] <... mprotect resumed>) = 0 [pid 7312] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7314] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7313] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7312] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7312] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7316 attached [pid 7313] <... mmap resumed>) = 0x7f3949327000 [pid 7311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7317 attached [pid 7314] <... mprotect resumed>) = 0 [pid 7313] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7316] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7317] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7316] set_robust_list(0x7f39493479a0, 24 [pid 7313] <... mprotect resumed>) = 0 [pid 7312] <... clone3 resumed> => {parent_tid=[7316]}, 88) = 7316 [pid 7314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7317] <... rseq resumed>) = 0 [pid 7316] <... set_robust_list resumed>) = 0 [pid 7314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7313] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7311] <... clone3 resumed> => {parent_tid=[7317]}, 88) = 7317 [pid 7312] rt_sigprocmask(SIG_SETMASK, [], [pid 7317] set_robust_list(0x7f39493479a0, 24 [pid 7316] rt_sigprocmask(SIG_SETMASK, [], [pid 7314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7313] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7311] rt_sigprocmask(SIG_SETMASK, [], [pid 7312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7317] <... set_robust_list resumed>) = 0 [pid 7313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7312] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7318 attached [pid 7317] rt_sigprocmask(SIG_SETMASK, [], [pid 7316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7311] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7319 attached [pid 7317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7318] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7317] memfd_create("syzkaller", 0 [pid 7316] memfd_create("syzkaller", 0 [pid 7314] <... clone3 resumed> => {parent_tid=[7319]}, 88) = 7319 [pid 7312] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7318] <... rseq resumed>) = 0 [pid 7314] rt_sigprocmask(SIG_SETMASK, [], [pid 7318] set_robust_list(0x7f39493479a0, 24 [pid 7316] <... memfd_create resumed>) = 3 [pid 7318] <... set_robust_list resumed>) = 0 [pid 7314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7318] rt_sigprocmask(SIG_SETMASK, [], [pid 7314] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7314] <... futex resumed>) = 0 [pid 7318] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7319] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7317] <... memfd_create resumed>) = 3 [pid 7313] <... clone3 resumed> => {parent_tid=[7318]}, 88) = 7318 [pid 7311] <... futex resumed>) = 0 [pid 7319] <... rseq resumed>) = 0 [pid 7317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7313] rt_sigprocmask(SIG_SETMASK, [], [pid 7311] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7319] set_robust_list(0x7f39493479a0, 24 [pid 7317] <... mmap resumed>) = 0x7f3940e00000 [pid 7313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7319] <... set_robust_list resumed>) = 0 [pid 7317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7316] <... mmap resumed>) = 0x7f3940e00000 [pid 7315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7313] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7319] memfd_create("syzkaller", 0 [pid 7313] <... futex resumed>) = 1 [pid 7313] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7319] <... memfd_create resumed>) = 3 [pid 7319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7318] <... futex resumed>) = 0 [pid 7318] memfd_create("syzkaller", 0) = 3 [pid 7316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7317] <... write resumed>) = 1048576 [pid 7319] <... write resumed>) = 1048576 [pid 7315] <... write resumed>) = 1048576 [pid 7317] munmap(0x7f3940e00000, 138412032) = 0 [pid 7319] munmap(0x7f3940e00000, 138412032) = 0 [pid 7315] munmap(0x7f3940e00000, 138412032 [pid 7317] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7317] close(3 [pid 7315] <... munmap resumed>) = 0 [pid 7315] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7316] <... write resumed>) = 1048576 [pid 7319] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7315] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7319] close(3) = 0 [pid 7316] munmap(0x7f3940e00000, 138412032 [pid 7315] close(3 [pid 7318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7319] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] <... close resumed>) = 0 [pid 7316] <... munmap resumed>) = 0 [pid 7315] <... close resumed>) = 0 [pid 7316] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7316] close(3 [pid 7319] <... futex resumed>) = 1 [pid 7318] <... write resumed>) = 1048576 [pid 7317] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 0 [pid 7319] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7314] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] <... close resumed>) = 0 [pid 7315] <... futex resumed>) = 1 [pid 7319] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7317] <... futex resumed>) = 1 [pid 7316] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7311] <... futex resumed>) = 0 [pid 7318] munmap(0x7f3940e00000, 138412032 [pid 7310] <... futex resumed>) = 0 [pid 7317] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] <... futex resumed>) = 1 [pid 7312] <... futex resumed>) = 0 [pid 7316] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7311] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7317] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7316] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7312] <... futex resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 1 [pid 7315] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7312] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... openat resumed>) = 3 [pid 7316] <... openat resumed>) = 3 [pid 7317] <... openat resumed>) = 3 [pid 7315] <... openat resumed>) = 3 [pid 7316] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = 1 [pid 7315] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = 0 [pid 7319] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... munmap resumed>) = 0 [pid 7317] <... futex resumed>) = 0 [pid 7316] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7312] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7319] <... futex resumed>) = 1 [pid 7318] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7317] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... futex resumed>) = 0 [pid 7311] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] <... futex resumed>) = 0 [pid 7310] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] <... futex resumed>) = 0 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7315] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7314] <... futex resumed>) = 0 [pid 7311] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7318] close(3 [pid 7316] <... mmap resumed>) = 0x200000000000 [pid 7315] <... mmap resumed>) = 0x200000000000 [pid 7314] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7311] <... futex resumed>) = 1 [pid 7319] <... mmap resumed>) = 0x200000000000 [pid 7317] <... futex resumed>) = 0 [pid 7316] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7316] <... futex resumed>) = 1 [pid 7312] <... futex resumed>) = 0 [pid 7317] <... mmap resumed>) = 0x200000000000 [pid 7312] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7312] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7315] <... futex resumed>) = 1 [pid 7310] <... futex resumed>) = 0 [pid 7315] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7310] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = ? [pid 7310] <... futex resumed>) = 0 [pid 7310] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7319] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] +++ killed by SIGBUS +++ [pid 7315] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7312] +++ killed by SIGBUS +++ [pid 7319] <... futex resumed>) = 1 [pid 7317] <... futex resumed>) = 1 [pid 7314] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7312, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7311] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7319] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7317] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7311] <... futex resumed>) = 0 [pid 7314] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = 0 [pid 7317] +++ killed by SIGBUS +++ [pid 7314] <... futex resumed>) = 1 [pid 7310] <... futex resumed>) = ? [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7319] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7315] +++ killed by SIGBUS +++ [pid 7314] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7311] +++ killed by SIGBUS +++ [pid 7310] +++ killed by SIGBUS +++ [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7311, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7310, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 7314] <... futex resumed>) = ? [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5826] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7320 attached [pid 7319] +++ killed by SIGBUS +++ [pid 7318] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7320 [pid 7320] set_robust_list(0x55558704b6a0, 24 [pid 7314] +++ killed by SIGBUS +++ [pid 7320] <... set_robust_list resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7314, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7320] <... prctl resumed>) = 0 [pid 7320] setpgid(0, 0) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7318] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7320] <... openat resumed>) = 3 [pid 7318] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7313] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7318] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7313] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7320] write(3, "1000", 4 [pid 7318] <... openat resumed>) = 3 [pid 7313] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7320] <... write resumed>) = 4 [pid 7318] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7320] close(3 [pid 7318] <... futex resumed>) = 1 [pid 7320] <... close resumed>) = 0 [pid 7318] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] write(1, "executing program\n", 18) = 18 [pid 7320] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7320] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7321 attached [pid 7320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7320] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7323 attached ./strace-static-x86_64: Process 7322 attached [pid 7321] set_robust_list(0x55558704b6a0, 24 [pid 7313] <... futex resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7321 [pid 7322] set_robust_list(0x55558704b6a0, 24 [pid 7321] <... set_robust_list resumed>) = 0 [pid 7322] <... set_robust_list resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7322 [pid 7323] set_robust_list(0x55558704b6a0, 24 [pid 7322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7320] <... mprotect resumed>) = 0 [pid 7313] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7323 [pid 7323] <... set_robust_list resumed>) = 0 [pid 7322] <... prctl resumed>) = 0 [pid 7321] <... prctl resumed>) = 0 [pid 7320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7318] <... futex resumed>) = 0 [pid 7313] <... futex resumed>) = 1 [pid 7323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7322] setpgid(0, 0 [pid 7321] setpgid(0, 0 [pid 7320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7318] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7313] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7323] <... prctl resumed>) = 0 [pid 7322] <... setpgid resumed>) = 0 [pid 7321] <... setpgid resumed>) = 0 [pid 7323] setpgid(0, 0) = 0 [pid 7322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7318] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 7324 attached [pid 7323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7322] <... openat resumed>) = 3 [pid 7321] <... openat resumed>) = 3 [pid 7324] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7323] <... openat resumed>) = 3 [pid 7322] write(3, "1000", 4 [pid 7321] write(3, "1000", 4 [pid 7320] <... clone3 resumed> => {parent_tid=[7324]}, 88) = 7324 [pid 7324] set_robust_list(0x7f39493479a0, 24 [pid 7323] write(3, "1000", 4 [pid 7322] <... write resumed>) = 4 [pid 7321] <... write resumed>) = 4 [pid 7320] rt_sigprocmask(SIG_SETMASK, [], [pid 7318] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... set_robust_list resumed>) = 0 [pid 7323] <... write resumed>) = 4 [pid 7322] close(3 [pid 7321] close(3 [pid 7320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7318] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7324] rt_sigprocmask(SIG_SETMASK, [], [pid 7323] close(3 [pid 7322] <... close resumed>) = 0 [pid 7321] <... close resumed>) = 0 [pid 7320] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program executing program [pid 7324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7323] <... close resumed>) = 0 [pid 7322] write(1, "executing program\n", 18 [pid 7321] write(1, "executing program\n", 18 [pid 7320] <... futex resumed>) = 0 [pid 7318] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- executing program [pid 7313] <... futex resumed>) = 0 [pid 7324] memfd_create("syzkaller", 0 [pid 7323] write(1, "executing program\n", 18 [pid 7322] <... write resumed>) = 18 [pid 7321] <... write resumed>) = 18 [pid 7320] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7324] <... memfd_create resumed>) = 3 [pid 7323] <... write resumed>) = 18 [pid 7322] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7323] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 0 [pid 7318] +++ killed by SIGBUS +++ [pid 7313] +++ killed by SIGBUS +++ [pid 7324] <... mmap resumed>) = 0x7f3940e00000 [pid 7323] <... futex resumed>) = 0 [pid 7322] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7321] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7323] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7322] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7321] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7313, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 7323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7323] <... mmap resumed>) = 0x7f3949327000 [pid 7322] <... mmap resumed>) = 0x7f3949327000 [pid 7323] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7322] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7323] <... mprotect resumed>) = 0 [pid 7321] <... mmap resumed>) = 0x7f3949327000 [pid 7322] <... mprotect resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7321] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7325 attached ) = 0 [pid 7322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7323] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7325] set_robust_list(0x55558704b6a0, 24 [pid 7323] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7321] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7325] <... set_robust_list resumed>) = 0 [pid 7323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7321] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7325 [pid 7325] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7326 attached ./strace-static-x86_64: Process 7327 attached [pid 7326] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7325] <... prctl resumed>) = 0 [pid 7321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7327] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7326] <... rseq resumed>) = 0 [pid 7325] setpgid(0, 0 [pid 7323] <... clone3 resumed> => {parent_tid=[7326]}, 88) = 7326 [pid 7326] set_robust_list(0x7f39493479a0, 24 [pid 7327] <... rseq resumed>) = 0 [pid 7325] <... setpgid resumed>) = 0 [pid 7326] <... set_robust_list resumed>) = 0 [pid 7323] rt_sigprocmask(SIG_SETMASK, [], [pid 7322] <... clone3 resumed> => {parent_tid=[7327]}, 88) = 7327 ./strace-static-x86_64: Process 7328 attached [pid 7327] set_robust_list(0x7f39493479a0, 24 [pid 7326] rt_sigprocmask(SIG_SETMASK, [], [pid 7325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7322] rt_sigprocmask(SIG_SETMASK, [], [pid 7321] <... clone3 resumed> => {parent_tid=[7328]}, 88) = 7328 [pid 7327] <... set_robust_list resumed>) = 0 [pid 7327] rt_sigprocmask(SIG_SETMASK, [], [pid 7326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7325] <... openat resumed>) = 3 [pid 7323] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7321] rt_sigprocmask(SIG_SETMASK, [], [pid 7328] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7326] memfd_create("syzkaller", 0 [pid 7327] memfd_create("syzkaller", 0 [pid 7326] <... memfd_create resumed>) = 3 [pid 7323] <... futex resumed>) = 0 [pid 7322] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7328] <... rseq resumed>) = 0 [pid 7327] <... memfd_create resumed>) = 3 [pid 7326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7325] write(3, "1000", 4 [pid 7323] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7322] <... futex resumed>) = 0 [pid 7321] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] set_robust_list(0x7f39493479a0, 24 [pid 7327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7326] <... mmap resumed>) = 0x7f3940e00000 [pid 7325] <... write resumed>) = 4 [pid 7322] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7321] <... futex resumed>) = 0 [pid 7327] <... mmap resumed>) = 0x7f3940e00000 [pid 7325] close(3 [pid 7328] <... set_robust_list resumed>) = 0 [pid 7321] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7328] rt_sigprocmask(SIG_SETMASK, [], [pid 7324] <... write resumed>) = 1048576 [pid 7328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7328] memfd_create("syzkaller", 0 [pid 7324] munmap(0x7f3940e00000, 138412032 [pid 7328] <... memfd_create resumed>) = 3 [pid 7325] <... close resumed>) = 0 [pid 7324] <... munmap resumed>) = 0 [pid 7328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7325] write(1, "executing program\n", 18 [pid 7324] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) executing program [pid 7324] close(3 [pid 7326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7325] <... write resumed>) = 18 [pid 7324] <... close resumed>) = 0 [pid 7325] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7325] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7324] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7328] <... write resumed>) = 1048576 [pid 7327] <... write resumed>) = 1048576 [pid 7325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7327] munmap(0x7f3940e00000, 138412032 [pid 7325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7327] <... munmap resumed>) = 0 [pid 7328] munmap(0x7f3940e00000, 138412032 [pid 7327] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7325] <... mmap resumed>) = 0x7f3949327000 [pid 7328] <... munmap resumed>) = 0 [pid 7327] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7324] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7327] close(3 [pid 7325] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7324] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7328] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7326] <... write resumed>) = 1048576 [pid 7325] <... mprotect resumed>) = 0 [pid 7324] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7320] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7324] <... openat resumed>) = 3 [pid 7328] close(3 [pid 7325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7324] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7324] <... futex resumed>) = 0 [pid 7320] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7320] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7329 attached [pid 7327] <... close resumed>) = 0 [pid 7324] <... mmap resumed>) = 0x200000000000 [pid 7320] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7329] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7327] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] munmap(0x7f3940e00000, 138412032 [pid 7325] <... clone3 resumed> => {parent_tid=[7329]}, 88) = 7329 [pid 7324] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... rseq resumed>) = 0 [pid 7327] <... futex resumed>) = 1 [pid 7325] rt_sigprocmask(SIG_SETMASK, [], [pid 7324] <... futex resumed>) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7320] <... futex resumed>) = 0 [pid 7329] set_robust_list(0x7f39493479a0, 24 [pid 7327] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7324] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... set_robust_list resumed>) = 0 [pid 7327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7322] <... futex resumed>) = 0 [pid 7320] <... futex resumed>) = 0 [pid 7329] rt_sigprocmask(SIG_SETMASK, [], [pid 7327] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7325] <... futex resumed>) = 0 [pid 7329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7324] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7322] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7320] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7327] <... openat resumed>) = 3 [pid 7329] memfd_create("syzkaller", 0 [pid 7327] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... munmap resumed>) = 0 [pid 7320] <... futex resumed>) = ? [pid 7329] <... memfd_create resumed>) = 3 [pid 7327] <... futex resumed>) = 1 [pid 7324] +++ killed by SIGBUS +++ [pid 7322] <... futex resumed>) = 0 [pid 7326] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7328] <... close resumed>) = 0 [pid 7326] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7320] +++ killed by SIGBUS +++ [pid 7327] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... mmap resumed>) = 0x7f3940e00000 [pid 7327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7326] close(3 [pid 7322] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7320, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7327] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7322] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7328] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7321] <... futex resumed>) = 0 [pid 7328] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] <... mmap resumed>) = 0x200000000000 [pid 7321] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7321] <... futex resumed>) = 0 [pid 7329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7328] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7327] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... close resumed>) = 0 [pid 7321] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7328] <... openat resumed>) = 3 [pid 7327] <... futex resumed>) = 1 [pid 7327] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] <... futex resumed>) = 0 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7322] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7327] <... futex resumed>) = 0 [pid 7322] <... futex resumed>) = 1 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7328] <... futex resumed>) = 1 [pid 7327] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7322] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... futex resumed>) = 0 [pid 7328] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7321] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... mmap resumed>) = 0x200000000000 [pid 7322] <... futex resumed>) = ? [pid 7321] <... futex resumed>) = 0 [pid 7328] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7328] <... futex resumed>) = 0 [pid 7328] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7326] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7330 attached [pid 7329] <... write resumed>) = 1048576 [pid 7327] +++ killed by SIGBUS +++ [pid 7326] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 0 [pid 7322] +++ killed by SIGBUS +++ [pid 7321] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7330 [pid 7330] set_robust_list(0x55558704b6a0, 24 [pid 7329] munmap(0x7f3940e00000, 138412032 [pid 7323] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7322, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7330] <... set_robust_list resumed>) = 0 [pid 7328] <... futex resumed>) = 0 [pid 7326] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7323] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7329] <... munmap resumed>) = 0 [pid 7328] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7326] <... openat resumed>) = 3 [pid 7323] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... prctl resumed>) = 0 [pid 7329] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7326] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7330] setpgid(0, 0 [pid 7329] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7328] +++ killed by SIGBUS +++ [pid 7326] <... futex resumed>) = 0 [pid 7323] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] +++ killed by SIGBUS +++ [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7330] <... setpgid resumed>) = 0 [pid 7329] close(3 [pid 7326] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7323] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7321, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7326] <... mmap resumed>) = 0x200000000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7326] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7326] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7323] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7331 attached [pid 7330] <... openat resumed>) = 3 [pid 7329] <... close resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7330] write(3, "1000", 4 [pid 7329] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... write resumed>) = 4 [pid 7326] <... futex resumed>) = 0 [pid 7325] <... futex resumed>) = 0 [pid 7329] <... futex resumed>) = 1 [pid 7323] <... futex resumed>) = 1 [pid 7330] close(3 [pid 7326] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7325] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7323] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... close resumed>) = 0 [pid 7329] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7325] <... futex resumed>) = 0 [pid 7330] write(1, "executing program\n", 18executing program [pid 7323] <... futex resumed>) = ? [pid 7331] set_robust_list(0x55558704b6a0, 24 [pid 7330] <... write resumed>) = 18 [pid 7329] <... openat resumed>) = 3 [pid 7326] +++ killed by SIGBUS +++ [pid 7325] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7331 [pid 7331] <... set_robust_list resumed>) = 0 [pid 7330] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7330] <... futex resumed>) = 0 [pid 7329] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7323] +++ killed by SIGBUS +++ [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7331] <... prctl resumed>) = 0 [pid 7330] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7329] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] setpgid(0, 0 [pid 7330] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7331] <... setpgid resumed>) = 0 [pid 7330] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7329] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7325] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7323, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7329] <... mmap resumed>) = 0x200000000000 ./strace-static-x86_64: Process 7332 attached [pid 7331] <... openat resumed>) = 3 [pid 7330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7332] set_robust_list(0x55558704b6a0, 24 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7332 [pid 7332] <... set_robust_list resumed>) = 0 [pid 7332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7331] write(3, "1000", 4 [pid 7330] <... mmap resumed>) = 0x7f3949327000 [pid 7329] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7331] <... write resumed>) = 4 [pid 7332] <... prctl resumed>) = 0 [pid 7331] close(3 [pid 7330] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7329] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7332] setpgid(0, 0 [pid 7331] <... close resumed>) = 0 [pid 7330] <... mprotect resumed>) = 0 [pid 7329] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... setpgid resumed>) = 0 [pid 7331] write(1, "executing program\n", 18 [pid 7330] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 executing program [pid 7331] <... write resumed>) = 18 [pid 7330] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7329] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7325] ???( [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7331] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7325] <... ??? resumed>) = ? [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7333 attached [pid 7332] <... openat resumed>) = 3 [pid 7331] <... futex resumed>) = 0 [pid 7331] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7330] <... clone3 resumed> => {parent_tid=[7333]}, 88) = 7333 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7333] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7332] write(3, "1000", 4 [pid 7331] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7330] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7334 attached [pid 7333] <... rseq resumed>) = 0 [pid 7332] <... write resumed>) = 4 [pid 7331] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7333] set_robust_list(0x7f39493479a0, 24 [pid 7332] close(3 [pid 7333] <... set_robust_list resumed>) = 0 [pid 7334] set_robust_list(0x55558704b6a0, 24 [pid 7333] rt_sigprocmask(SIG_SETMASK, [], [pid 7332] <... close resumed>) = 0 [pid 7331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7329] +++ killed by SIGBUS +++ [pid 7325] +++ killed by SIGBUS +++ [pid 7334] <... set_robust_list resumed>) = 0 [pid 7333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7332] write(1, "executing program\n", 18 [pid 7331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0executing program [pid 7330] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7333] memfd_create("syzkaller", 0 [pid 7332] <... write resumed>) = 18 [pid 7331] <... mmap resumed>) = 0x7f3949327000 [pid 7330] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7325, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7334 [pid 7334] <... prctl resumed>) = 0 [pid 7333] <... memfd_create resumed>) = 3 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7334] setpgid(0, 0 [pid 7332] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7330] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5828] <... restart_syscall resumed>) = 0 [pid 7331] <... mprotect resumed>) = 0 [pid 7334] <... setpgid resumed>) = 0 [pid 7333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7332] <... futex resumed>) = 0 [pid 7331] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7332] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7331] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7333] <... mmap resumed>) = 0x7f3940e00000 [pid 7331] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7335 attached [pid 7334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7332] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7335] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053) = 0 [pid 7334] <... openat resumed>) = 3 [pid 7333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7335] set_robust_list(0x7f39493479a0, 24 [pid 7332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWRexecuting program [pid 7334] write(3, "1000", 4 [pid 7332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7334] <... write resumed>) = 4 [pid 7332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7334] close(3 [pid 7332] <... mmap resumed>) = 0x7f3949327000 [pid 7332] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7334] <... close resumed>) = 0 ./strace-static-x86_64: Process 7336 attached [pid 7334] write(1, "executing program\n", 18 [pid 7332] <... mprotect resumed>) = 0 [pid 7334] <... write resumed>) = 18 [pid 7334] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7336] set_robust_list(0x55558704b6a0, 24 [pid 7334] <... futex resumed>) = 0 [pid 7334] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7336] <... set_robust_list resumed>) = 0 [pid 7334] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7332] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7336 [pid 7336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7334] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7336] <... prctl resumed>) = 0 [pid 7334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7336] setpgid(0, 0 [pid 7334] <... mmap resumed>) = 0x7f3949327000 [pid 7332] <... clone3 resumed> => {parent_tid=[7337]}, 88) = 7337 [pid 7336] <... setpgid resumed>) = 0 [pid 7336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7334] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7332] rt_sigprocmask(SIG_SETMASK, [], [pid 7334] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7337 attached [pid 7336] <... openat resumed>) = 3 [pid 7335] <... set_robust_list resumed>) = 0 [pid 7334] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7333] <... write resumed>) = 1048576 [pid 7332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7331] <... clone3 resumed> => {parent_tid=[7335]}, 88) = 7335 [pid 7337] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7335] rt_sigprocmask(SIG_SETMASK, [], [pid 7333] munmap(0x7f3940e00000, 138412032 [pid 7331] rt_sigprocmask(SIG_SETMASK, [], [pid 7337] <... rseq resumed>) = 0 [pid 7336] write(3, "1000", 4 [pid 7335] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7334] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7333] <... munmap resumed>) = 0 [pid 7332] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7337] set_robust_list(0x7f39493479a0, 24 [pid 7336] <... write resumed>) = 4 [pid 7335] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7334] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7332] <... futex resumed>) = 0 [pid 7331] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... set_robust_list resumed>) = 0 [pid 7336] close(3 [pid 7335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7338 attached [pid 7337] rt_sigprocmask(SIG_SETMASK, [], [pid 7336] <... close resumed>) = 0 [pid 7335] memfd_create("syzkaller", 0 [pid 7333] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7332] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7331] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7338] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7337] <... rt_sigprocmask resumed>NULL, 8) = 0 executing program [pid 7336] write(1, "executing program\n", 18 [pid 7335] <... memfd_create resumed>) = 3 [pid 7334] <... clone3 resumed> => {parent_tid=[7338]}, 88) = 7338 [pid 7333] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7338] <... rseq resumed>) = 0 [pid 7337] memfd_create("syzkaller", 0 [pid 7336] <... write resumed>) = 18 [pid 7335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7334] rt_sigprocmask(SIG_SETMASK, [], [pid 7338] set_robust_list(0x7f39493479a0, 24 [pid 7337] <... memfd_create resumed>) = 3 [pid 7336] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... mmap resumed>) = 0x7f3940e00000 [pid 7333] close(3 [pid 7338] <... set_robust_list resumed>) = 0 [pid 7337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7336] <... futex resumed>) = 0 [pid 7334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7338] rt_sigprocmask(SIG_SETMASK, [], [pid 7337] <... mmap resumed>) = 0x7f3940e00000 [pid 7336] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7334] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7336] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7338] memfd_create("syzkaller", 0 [pid 7334] <... futex resumed>) = 0 [pid 7336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7334] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7338] <... memfd_create resumed>) = 3 [pid 7336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7338] <... mmap resumed>) = 0x7f3940e00000 [pid 7336] <... mmap resumed>) = 0x7f3949327000 [pid 7336] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7336] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7339 attached [pid 7337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7336] <... clone3 resumed> => {parent_tid=[7339]}, 88) = 7339 [pid 7336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7336] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7336] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7339] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7337] <... write resumed>) = 1048576 [pid 7335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7333] <... close resumed>) = 0 [pid 7339] <... rseq resumed>) = 0 [pid 7338] <... write resumed>) = 1048576 [pid 7337] munmap(0x7f3940e00000, 138412032 [pid 7335] <... write resumed>) = 1048576 [pid 7333] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7339] memfd_create("syzkaller", 0) = 3 [pid 7339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7338] munmap(0x7f3940e00000, 138412032 [pid 7337] <... munmap resumed>) = 0 [pid 7337] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7333] <... futex resumed>) = 1 [pid 7330] <... futex resumed>) = 0 [pid 7333] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7330] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7333] <... openat resumed>) = 3 [pid 7330] <... futex resumed>) = 0 [pid 7333] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7333] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] munmap(0x7f3940e00000, 138412032 [pid 7339] <... write resumed>) = 1048576 [pid 7338] <... munmap resumed>) = 0 [pid 7337] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7335] <... munmap resumed>) = 0 [pid 7330] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] munmap(0x7f3940e00000, 138412032) = 0 [pid 7338] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7337] close(3 [pid 7335] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7330] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7333] <... futex resumed>) = 0 [pid 7330] <... futex resumed>) = 1 [pid 7339] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7333] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7330] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7335] close(3 [pid 7333] <... mmap resumed>) = 0x200000000000 [pid 7338] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7339] close(3 [pid 7338] close(3 [pid 7333] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7330] <... futex resumed>) = 0 [pid 7330] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7330] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7333] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7333] +++ killed by SIGBUS +++ [pid 7330] <... futex resumed>) = ? [pid 7330] +++ killed by SIGBUS +++ [pid 7339] <... close resumed>) = 0 [pid 7337] <... close resumed>) = 0 [pid 7337] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7330, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7337] <... futex resumed>) = 1 [pid 7335] <... close resumed>) = 0 [pid 7339] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... close resumed>) = 0 [pid 7337] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] <... futex resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7339] <... futex resumed>) = 1 [pid 7338] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7336] <... futex resumed>) = 0 [pid 7335] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7339] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7338] <... futex resumed>) = 1 [pid 7336] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... futex resumed>) = 1 [pid 7337] <... openat resumed>) = 3 [pid 7334] <... futex resumed>) = 0 [pid 7332] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7331] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7338] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = 0 [pid 7335] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7334] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7336] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7339] <... openat resumed>) = 3 [pid 7338] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7335] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7334] <... futex resumed>) = 0 [pid 7331] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7340 attached [pid 7339] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... openat resumed>) = 3 [pid 7337] <... futex resumed>) = 1 [pid 7335] <... openat resumed>) = 3 [pid 7334] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... futex resumed>) = 0 [pid 7340] set_robust_list(0x55558704b6a0, 24 [pid 7339] <... futex resumed>) = 1 [pid 7338] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7336] <... futex resumed>) = 0 [pid 7335] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7336] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = 0 [pid 7337] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7336] <... futex resumed>) = 0 [pid 7335] <... futex resumed>) = 1 [pid 7334] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7331] <... futex resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7340 [pid 7340] <... set_robust_list resumed>) = 0 [pid 7339] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7338] <... futex resumed>) = 0 [pid 7337] <... mmap resumed>) = 0x200000000000 [pid 7335] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7334] <... futex resumed>) = 0 [pid 7331] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7339] <... mmap resumed>) = 0x200000000000 [pid 7338] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7340] <... prctl resumed>) = 0 [pid 7338] <... mmap resumed>) = 0x200000000000 [pid 7337] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7334] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7331] <... futex resumed>) = 0 [pid 7340] setpgid(0, 0 [pid 7339] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... setpgid resumed>) = 0 [pid 7339] <... futex resumed>) = 1 [pid 7338] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... futex resumed>) = 1 [pid 7336] <... futex resumed>) = 0 [pid 7335] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7332] <... futex resumed>) = 0 [pid 7340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7339] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7338] <... futex resumed>) = 1 [pid 7337] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7336] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... openat resumed>) = 3 [pid 7338] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7336] <... futex resumed>) = ? executing program [pid 7335] <... mmap resumed>) = 0x200000000000 [pid 7334] <... futex resumed>) = 0 [pid 7332] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7335] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = 1 [pid 7340] write(3, "1000", 4 [pid 7338] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7337] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7335] <... futex resumed>) = 1 [pid 7334] <... futex resumed>) = 0 [pid 7332] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7331] <... futex resumed>) = 0 [pid 7340] <... write resumed>) = 4 [pid 7340] close(3) = 0 [pid 7340] write(1, "executing program\n", 18 [pid 7331] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... write resumed>) = 18 [pid 7331] <... futex resumed>) = 0 [pid 7340] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7335] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7331] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... futex resumed>) = 0 [pid 7339] +++ killed by SIGBUS +++ [pid 7336] +++ killed by SIGBUS +++ [pid 7340] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7338] +++ killed by SIGBUS +++ [pid 7332] <... futex resumed>) = ? [pid 7331] <... futex resumed>) = ? [pid 7340] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7340] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7336, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7340] <... mmap resumed>) = 0x7f3949327000 [pid 7340] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7340] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7340] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7337] +++ killed by SIGBUS +++ [pid 7335] +++ killed by SIGBUS +++ [pid 7334] +++ killed by SIGBUS +++ [pid 7332] +++ killed by SIGBUS +++ [pid 7331] +++ killed by SIGBUS +++ [pid 5828] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7341 attached [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7332, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7331, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7341] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7334, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7341] <... rseq resumed>) = 0 [pid 7340] <... clone3 resumed> => {parent_tid=[7341]}, 88) = 7341 [pid 7340] rt_sigprocmask(SIG_SETMASK, [], [pid 7341] set_robust_list(0x7f39493479a0, 24) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7341] rt_sigprocmask(SIG_SETMASK, [], [pid 7340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7340] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7341] memfd_create("syzkaller", 0 [pid 7340] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7340] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7341] <... memfd_create resumed>) = 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7344 attached ./strace-static-x86_64: Process 7343 attached ./strace-static-x86_64: Process 7342 attached [pid 7341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7343] set_robust_list(0x55558704b6a0, 24 [pid 7341] <... mmap resumed>) = 0x7f3940e00000 [pid 7342] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7344] set_robust_list(0x55558704b6a0, 24 [pid 7342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7342 [pid 7344] <... set_robust_list resumed>) = 0 [pid 7344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7343 ./strace-static-x86_64: Process 7345 attached [pid 7344] <... prctl resumed>) = 0 [pid 7344] setpgid(0, 0 [pid 7345] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7344] <... setpgid resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7345 [pid 7344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7344] <... openat resumed>) = 3 [pid 7343] <... set_robust_list resumed>) = 0 [pid 7342] <... prctl resumed>) = 0 [pid 7341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7344 [pid 7345] <... prctl resumed>) = 0 [pid 7342] setpgid(0, 0 [pid 7345] setpgid(0, 0 [pid 7344] write(3, "1000", 4 [pid 7342] <... setpgid resumed>) = 0 [pid 7345] <... setpgid resumed>) = 0 [pid 7344] <... write resumed>) = 4 [pid 7342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7344] close(3 [pid 7342] <... openat resumed>) = 3 [pid 7342] write(3, "1000", 4 [pid 7345] <... openat resumed>) = 3 [pid 7344] <... close resumed>) = 0 [pid 7343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7342] <... write resumed>) = 4 [pid 7343] <... prctl resumed>) = 0 [pid 7342] close(3executing program [pid 7344] write(1, "executing program\n", 18 [pid 7342] <... close resumed>) = 0 [pid 7344] <... write resumed>) = 18 [pid 7345] write(3, "1000", 4executing program [pid 7344] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] setpgid(0, 0 [pid 7342] write(1, "executing program\n", 18 [pid 7345] <... write resumed>) = 4 [pid 7343] <... setpgid resumed>) = 0 [pid 7342] <... write resumed>) = 18 [pid 7345] close(3 [pid 7344] <... futex resumed>) = 0 [pid 7343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7345] <... close resumed>) = 0 [pid 7344] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, executing program [pid 7342] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] write(1, "executing program\n", 18executing program [pid 7344] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7342] <... futex resumed>) = 0 [pid 7345] <... write resumed>) = 18 [pid 7344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7343] <... openat resumed>) = 3 [pid 7342] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7343] write(3, "1000", 4 [pid 7342] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7343] <... write resumed>) = 4 [pid 7343] close(3 [pid 7342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7343] <... close resumed>) = 0 [pid 7342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7343] write(1, "executing program\n", 18 [pid 7342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7343] <... write resumed>) = 18 [pid 7345] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7343] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... mmap resumed>) = 0x7f3949327000 [pid 7345] <... futex resumed>) = 0 [pid 7344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7343] <... futex resumed>) = 0 [pid 7342] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7345] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7344] <... mmap resumed>) = 0x7f3949327000 [pid 7343] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7342] <... mprotect resumed>) = 0 [pid 7341] <... write resumed>) = 1048576 [pid 7345] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7344] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7343] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7341] munmap(0x7f3940e00000, 138412032 [pid 7345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7344] <... mprotect resumed>) = 0 [pid 7343] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7341] <... munmap resumed>) = 0 [pid 7345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7346 attached [pid 7345] <... mmap resumed>) = 0x7f3949327000 [pid 7344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7343] <... mmap resumed>) = 0x7f3949327000 [pid 7341] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7346] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7345] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7343] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7346] <... rseq resumed>) = 0 [pid 7345] <... mprotect resumed>) = 0 [pid 7342] <... clone3 resumed> => {parent_tid=[7346]}, 88) = 7346 [pid 7341] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7347 attached [pid 7346] set_robust_list(0x7f39493479a0, 24 [pid 7345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7344] <... clone3 resumed> => {parent_tid=[7347]}, 88) = 7347 [pid 7343] <... mprotect resumed>) = 0 [pid 7342] rt_sigprocmask(SIG_SETMASK, [], [pid 7341] close(3 [pid 7347] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7346] <... set_robust_list resumed>) = 0 [pid 7347] <... rseq resumed>) = 0 [pid 7346] rt_sigprocmask(SIG_SETMASK, [], [pid 7345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7344] rt_sigprocmask(SIG_SETMASK, [], [pid 7342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7347] set_robust_list(0x7f39493479a0, 24 [pid 7346] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7343] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7342] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] <... set_robust_list resumed>) = 0 [pid 7346] memfd_create("syzkaller", 0 [pid 7344] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7347] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7348 attached NULL, 8) = 0 [pid 7346] <... memfd_create resumed>) = 3 [pid 7344] <... futex resumed>) = 0 [pid 7343] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7342] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7348] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7345] <... clone3 resumed> => {parent_tid=[7348]}, 88) = 7348 [pid 7344] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7348] <... rseq resumed>) = 0 [pid 7345] rt_sigprocmask(SIG_SETMASK, [], [pid 7348] set_robust_list(0x7f39493479a0, 24 [pid 7345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7348] <... set_robust_list resumed>) = 0 [pid 7348] rt_sigprocmask(SIG_SETMASK, [], [pid 7345] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7345] <... futex resumed>) = 0 [pid 7348] memfd_create("syzkaller", 0 [pid 7345] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7348] <... memfd_create resumed>) = 3 [pid 7347] memfd_create("syzkaller", 0 [pid 7348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7348] <... mmap resumed>) = 0x7f3940e00000 [pid 7347] <... memfd_create resumed>) = 3 [pid 7343] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7349 attached [pid 7347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7346] <... mmap resumed>) = 0x7f3940e00000 [pid 7343] <... clone3 resumed> => {parent_tid=[7349]}, 88) = 7349 [pid 7343] rt_sigprocmask(SIG_SETMASK, [], [pid 7347] <... mmap resumed>) = 0x7f3940e00000 [pid 7343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7349] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7343] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... close resumed>) = 0 [pid 7349] <... rseq resumed>) = 0 [pid 7343] <... futex resumed>) = 0 [pid 7349] set_robust_list(0x7f39493479a0, 24 [pid 7347] <... write resumed>) = 1048576 [pid 7346] <... write resumed>) = 1048576 [pid 7343] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7341] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] <... set_robust_list resumed>) = 0 [pid 7347] munmap(0x7f3940e00000, 138412032 [pid 7349] rt_sigprocmask(SIG_SETMASK, [], [pid 7341] <... futex resumed>) = 1 [pid 7341] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7347] <... munmap resumed>) = 0 [pid 7346] munmap(0x7f3940e00000, 138412032 [pid 7340] <... futex resumed>) = 0 [pid 7349] memfd_create("syzkaller", 0 [pid 7347] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7349] <... memfd_create resumed>) = 3 [pid 7347] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7346] <... munmap resumed>) = 0 [pid 7340] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7347] close(3 [pid 7349] <... mmap resumed>) = 0x7f3940e00000 [pid 7348] <... write resumed>) = 1048576 [pid 7348] munmap(0x7f3940e00000, 138412032 [pid 7346] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7341] <... futex resumed>) = 0 [pid 7340] <... futex resumed>) = 1 [pid 7341] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7340] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7348] <... munmap resumed>) = 0 [pid 7347] <... close resumed>) = 0 [pid 7346] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7341] <... openat resumed>) = 3 [pid 7348] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7347] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] close(3 [pid 7341] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7347] <... futex resumed>) = 1 [pid 7344] <... futex resumed>) = 0 [pid 7348] close(3 [pid 7347] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7344] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... close resumed>) = 0 [pid 7347] <... openat resumed>) = 3 [pid 7346] <... close resumed>) = 0 [pid 7344] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = 1 [pid 7340] <... futex resumed>) = 0 [pid 7344] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7344] <... futex resumed>) = 0 [pid 7344] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7344] <... futex resumed>) = 0 [pid 7347] <... mmap resumed>) = 0x200000000000 [pid 7349] <... write resumed>) = 1048576 [pid 7348] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7340] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... futex resumed>) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7346] <... futex resumed>) = 1 [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7348] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7346] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7344] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... mmap resumed>) = 0x200000000000 [pid 7349] munmap(0x7f3940e00000, 138412032 [pid 7347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] <... futex resumed>) = 0 [pid 7344] <... futex resumed>) = 0 [pid 7342] <... futex resumed>) = 0 [pid 7341] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7347] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7345] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] <... munmap resumed>) = 0 [pid 7348] <... futex resumed>) = 0 [pid 7345] <... futex resumed>) = 1 [pid 7342] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = 0 [pid 7340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7348] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7347] +++ killed by SIGBUS +++ [pid 7346] <... futex resumed>) = 0 [pid 7344] +++ killed by SIGBUS +++ [pid 7342] <... futex resumed>) = 1 [pid 7340] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7348] <... openat resumed>) = 3 [pid 7346] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7345] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7340] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7344, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7340] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7349] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7348] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... openat resumed>) = 3 [pid 7340] <... futex resumed>) = ? [pid 7348] <... futex resumed>) = 1 [pid 7346] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... futex resumed>) = 0 [pid 7349] close(3 [pid 7348] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7346] <... futex resumed>) = 1 [pid 7345] <... futex resumed>) = 0 [pid 7342] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7346] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7345] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] <... futex resumed>) = 0 [pid 7348] <... mmap resumed>) = 0x200000000000 [pid 7346] <... mmap resumed>) = 0x200000000000 [pid 7342] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] +++ killed by SIGBUS +++ [pid 7340] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7340, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7348] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] <... close resumed>) = 0 [pid 7348] <... futex resumed>) = 1 [pid 7346] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... futex resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 7349] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7346] <... futex resumed>) = 1 [pid 7345] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7349] <... futex resumed>) = 1 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7346] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... futex resumed>) = 0 [pid 7343] <... futex resumed>) = 0 [pid 7342] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7348] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] ???( [pid 7343] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7349] <... openat resumed>) = 3 [pid 7346] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7345] <... ??? resumed>) = ? [pid 7343] <... futex resumed>) = 0 [pid 7342] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7349] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] +++ killed by SIGBUS +++ [pid 7343] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] <... futex resumed>) = ? [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7350 attached [pid 7349] <... futex resumed>) = 0 [pid 7345] +++ killed by SIGBUS +++ [pid 7343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7350] set_robust_list(0x55558704b6a0, 24 [pid 7349] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7350 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7345, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7350] <... set_robust_list resumed>) = 0 [pid 7349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] <... futex resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7349] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7343] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... prctl resumed>) = 0 [pid 7349] <... mmap resumed>) = 0x200000000000 [pid 7346] +++ killed by SIGBUS +++ [pid 7342] +++ killed by SIGBUS +++ [pid 7350] setpgid(0, 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7342, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7350] <... setpgid resumed>) = 0 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7349] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... futex resumed>) = 0 [pid 7343] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7343] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] <... futex resumed>) = 1 ./strace-static-x86_64: Process 7351 attached [pid 7350] <... openat resumed>) = 3 [pid 7349] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5828] <... restart_syscall resumed>) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7351 [pid 7351] set_robust_list(0x55558704b6a0, 24 [pid 7350] write(3, "1000", 4 [pid 7343] <... futex resumed>) = ? [pid 7351] <... set_robust_list resumed>) = 0 [pid 7350] <... write resumed>) = 4 [pid 7349] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7350] close(3 [pid 7343] +++ killed by SIGBUS +++ [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7343, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 7353 attached executing program [pid 7351] <... prctl resumed>) = 0 [pid 7350] <... close resumed>) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7351] setpgid(0, 0 [pid 7350] write(1, "executing program\n", 18 [pid 7353] set_robust_list(0x55558704b6a0, 24 [pid 7351] <... setpgid resumed>) = 0 [pid 7350] <... write resumed>) = 18 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7353 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] <... restart_syscall resumed>) = 0 [pid 7353] <... set_robust_list resumed>) = 0 [pid 7351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7350] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7351] <... openat resumed>) = 3 [pid 7350] <... futex resumed>) = 0 [pid 7350] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7353] <... prctl resumed>) = 0 [pid 7351] write(3, "1000", 4 [pid 7350] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7353] setpgid(0, 0 [pid 7351] <... write resumed>) = 4 [pid 7350] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7353] <... setpgid resumed>) = 0 [pid 7351] close(3 [pid 7350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7351] <... close resumed>) = 0 [pid 7350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7350] <... mmap resumed>) = 0x7f3949327000 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7350] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7353] <... openat resumed>) = 3 [pid 7351] write(1, "executing program\n", 18 [pid 7350] <... mprotect resumed>) = 0 [pid 7351] <... write resumed>) = 18 [pid 7350] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7351] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] write(3, "1000", 4 [pid 7351] <... futex resumed>) = 0 [pid 7353] <... write resumed>) = 4 [pid 7351] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7350] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7353] close(3 [pid 7351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7353] <... close resumed>) = 0 [pid 7351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7350] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7353] write(1, "executing program\n", 18 [pid 7351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7353] <... write resumed>) = 18 [pid 7351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7355 attached ./strace-static-x86_64: Process 7354 attached executing program executing program [pid 7353] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... mmap resumed>) = 0x7f3949327000 [pid 7354] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7355 [pid 7354] <... rseq resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7356 ./strace-static-x86_64: Process 7356 attached [pid 7354] set_robust_list(0x7f39493479a0, 24 [pid 7353] <... futex resumed>) = 0 [pid 7351] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7350] <... clone3 resumed> => {parent_tid=[7354]}, 88) = 7354 [pid 7356] set_robust_list(0x55558704b6a0, 24 [pid 7353] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7351] <... mprotect resumed>) = 0 [pid 7350] rt_sigprocmask(SIG_SETMASK, [], [pid 7356] <... set_robust_list resumed>) = 0 [pid 7353] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7350] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7355] set_robust_list(0x55558704b6a0, 24 [pid 7354] <... set_robust_list resumed>) = 0 [pid 7353] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7350] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... set_robust_list resumed>) = 0 [pid 7354] rt_sigprocmask(SIG_SETMASK, [], [pid 7353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7350] <... futex resumed>) = 0 [pid 7356] <... prctl resumed>) = 0 [pid 7355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7350] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7356] setpgid(0, 0 [pid 7355] <... prctl resumed>) = 0 [pid 7354] memfd_create("syzkaller", 0 [pid 7353] <... mmap resumed>) = 0x7f3949327000 [pid 7356] <... setpgid resumed>) = 0 [pid 7355] setpgid(0, 0 [pid 7354] <... memfd_create resumed>) = 3 [pid 7353] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7357 attached [pid 7355] <... setpgid resumed>) = 0 [pid 7354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7353] <... mprotect resumed>) = 0 [pid 7351] <... clone3 resumed> => {parent_tid=[7357]}, 88) = 7357 [pid 7357] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7353] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7357] <... rseq resumed>) = 0 [pid 7356] <... openat resumed>) = 3 [pid 7355] <... openat resumed>) = 3 [pid 7354] <... mmap resumed>) = 0x7f3940e00000 [pid 7351] rt_sigprocmask(SIG_SETMASK, [], [pid 7357] set_robust_list(0x7f39493479a0, 24 [pid 7353] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7356] write(3, "1000", 4 [pid 7353] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7358 attached [pid 7356] <... write resumed>) = 4 [pid 7356] close(3 [pid 7358] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7357] <... set_robust_list resumed>) = 0 [pid 7356] <... close resumed>) = 0 [pid 7355] write(3, "1000", 4 [pid 7354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7358] <... rseq resumed>) = 0 [pid 7357] rt_sigprocmask(SIG_SETMASK, [], [pid 7355] <... write resumed>) = 4 [pid 7351] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program executing program [pid 7358] set_robust_list(0x7f39493479a0, 24 [pid 7357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7356] write(1, "executing program\n", 18 [pid 7355] close(3 [pid 7354] <... write resumed>) = 1048576 [pid 7353] <... clone3 resumed> => {parent_tid=[7358]}, 88) = 7358 [pid 7351] <... futex resumed>) = 0 [pid 7357] memfd_create("syzkaller", 0 [pid 7356] <... write resumed>) = 18 [pid 7355] <... close resumed>) = 0 [pid 7355] write(1, "executing program\n", 18 [pid 7351] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7355] <... write resumed>) = 18 [pid 7353] rt_sigprocmask(SIG_SETMASK, [], [pid 7357] <... memfd_create resumed>) = 3 [pid 7355] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7358] <... set_robust_list resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7353] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] rt_sigprocmask(SIG_SETMASK, [], [pid 7357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7355] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7353] <... futex resumed>) = 0 [pid 7358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7355] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7353] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7356] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7356] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7358] memfd_create("syzkaller", 0 [pid 7355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7356] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7356] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7358] <... memfd_create resumed>) = 3 [pid 7357] <... mmap resumed>) = 0x7f3940e00000 [pid 7356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7356] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7359 attached [pid 7359] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7358] <... mmap resumed>) = 0x7f3940e00000 [pid 7357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7356] <... clone3 resumed> => {parent_tid=[7359]}, 88) = 7359 [pid 7355] <... mmap resumed>) = 0x7f3949327000 [pid 7354] munmap(0x7f3940e00000, 138412032 [pid 7359] <... rseq resumed>) = 0 [pid 7358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7356] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7356] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7359] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7359] memfd_create("syzkaller", 0 [pid 7355] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7354] <... munmap resumed>) = 0 [pid 7359] <... memfd_create resumed>) = 3 [pid 7355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7355] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7360 attached [pid 7360] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7354] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7354] close(3 [pid 7360] <... rseq resumed>) = 0 [pid 7358] <... write resumed>) = 1048576 [pid 7360] set_robust_list(0x7f39493479a0, 24) = 0 [pid 7355] <... clone3 resumed> => {parent_tid=[7360]}, 88) = 7360 [pid 7360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7358] munmap(0x7f3940e00000, 138412032 [pid 7355] rt_sigprocmask(SIG_SETMASK, [], [pid 7360] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7355] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 1 [pid 7355] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7360] memfd_create("syzkaller", 0 [pid 7358] <... munmap resumed>) = 0 [pid 7357] <... write resumed>) = 1048576 [pid 7360] <... memfd_create resumed>) = 3 [pid 7354] <... close resumed>) = 0 [pid 7360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7358] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7357] munmap(0x7f3940e00000, 138412032 [pid 7360] <... mmap resumed>) = 0x7f3940e00000 [pid 7360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7354] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7357] <... munmap resumed>) = 0 [pid 7358] close(3 [pid 7354] <... futex resumed>) = 1 [pid 7357] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7350] <... futex resumed>) = 0 [pid 7358] <... close resumed>) = 0 [pid 7357] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7354] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7350] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] close(3 [pid 7354] <... openat resumed>) = 3 [pid 7359] <... write resumed>) = 1048576 [pid 7358] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = 0 [pid 7354] <... futex resumed>) = 0 [pid 7350] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7354] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] munmap(0x7f3940e00000, 138412032 [pid 7358] <... futex resumed>) = 1 [pid 7353] <... futex resumed>) = 0 [pid 7350] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] <... futex resumed>) = 0 [pid 7353] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = 1 [pid 7358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7354] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7353] <... futex resumed>) = 0 [pid 7350] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] <... munmap resumed>) = 0 [pid 7358] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7353] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7358] <... openat resumed>) = 3 [pid 7357] <... close resumed>) = 0 [pid 7354] <... mmap resumed>) = 0x200000000000 [pid 7359] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7358] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7354] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] close(3 [pid 7358] <... futex resumed>) = 1 [pid 7357] <... futex resumed>) = 1 [pid 7354] <... futex resumed>) = 1 [pid 7350] <... futex resumed>) = 0 [pid 7360] <... write resumed>) = 1048576 [pid 7357] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] <... futex resumed>) = 0 [pid 7358] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7351] <... futex resumed>) = 0 [pid 7350] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] munmap(0x7f3940e00000, 138412032 [pid 7354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7350] <... futex resumed>) = 0 [pid 7360] <... munmap resumed>) = 0 [pid 7358] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7357] <... futex resumed>) = 0 [pid 7354] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7353] <... futex resumed>) = 0 [pid 7351] <... futex resumed>) = 1 [pid 7350] ???( [pid 7360] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7359] <... close resumed>) = 0 [pid 7358] <... mmap resumed>) = 0x200000000000 [pid 7357] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7353] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... ??? resumed>) = ? [pid 7360] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7359] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... openat resumed>) = 3 [pid 7358] <... futex resumed>) = 0 [pid 7358] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7357] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 1 [pid 7360] close(3 [pid 7357] <... futex resumed>) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7354] +++ killed by SIGBUS +++ [pid 7359] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... futex resumed>) = 0 [pid 7350] +++ killed by SIGBUS +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7350, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7361 attached [pid 7361] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7360] <... close resumed>) = 0 [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7357] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7356] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = 1 [pid 7351] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7358] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7357] <... mmap resumed>) = 0x200000000000 [pid 7356] <... futex resumed>) = 0 [pid 7353] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... futex resumed>) = 0 [pid 7360] <... futex resumed>) = 1 [pid 7359] <... openat resumed>) = 3 [pid 7357] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7356] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] <... futex resumed>) = 0 [pid 7351] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7361 [pid 7360] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7359] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... futex resumed>) = 0 [pid 7356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7355] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = ? [pid 7351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] <... futex resumed>) = 0 [pid 7358] +++ killed by SIGBUS +++ [pid 7357] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = 0 [pid 7351] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] setpgid(0, 0 [pid 7360] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7359] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... futex resumed>) = 0 [pid 7355] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] +++ killed by SIGBUS +++ [pid 7351] <... futex resumed>) = 0 [pid 7361] <... setpgid resumed>) = 0 [pid 7357] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7356] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7360] <... openat resumed>) = 3 [pid 7359] <... mmap resumed>) = 0x200000000000 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7353, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7361] <... openat resumed>) = 3 [pid 7360] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7359] <... futex resumed>) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7360] <... futex resumed>) = 1 [pid 7356] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7356] <... futex resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7359] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7356] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] write(3, "1000", 4 [pid 7360] <... mmap resumed>) = 0x200000000000 [pid 7356] <... futex resumed>) = ? [pid 7361] <... write resumed>) = 4 [pid 7357] +++ killed by SIGBUS +++ [pid 7360] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] +++ killed by SIGBUS +++ [pid 7361] close(3) = 0 [pid 7360] <... futex resumed>) = 1 [pid 7355] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7351, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- executing program [pid 7361] write(1, "executing program\n", 18 [pid 7360] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7355] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7361] <... write resumed>) = 18 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7355] <... futex resumed>) = 0 [pid 7361] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7359] +++ killed by SIGBUS +++ [pid 7356] +++ killed by SIGBUS +++ [pid 7355] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7361] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7356, si_uid=0, si_status=SIGBUS, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 7355] <... futex resumed>) = ? [pid 7361] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7360] +++ killed by SIGBUS +++ [pid 7361] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7355] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7361] <... mmap resumed>) = 0x7f3949327000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7355, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7361] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7363 attached ./strace-static-x86_64: Process 7362 attached [pid 7362] set_robust_list(0x55558704b6a0, 24./strace-static-x86_64: Process 7364 attached [pid 7363] set_robust_list(0x55558704b6a0, 24 [pid 7362] <... set_robust_list resumed>) = 0 [pid 7361] <... mprotect resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7363 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7362 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7364] set_robust_list(0x55558704b6a0, 24 [pid 7363] <... set_robust_list resumed>) = 0 [pid 7362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7364] <... set_robust_list resumed>) = 0 [pid 7363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7362] <... prctl resumed>) = 0 [pid 7361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7364 [pid 7364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7363] <... prctl resumed>) = 0 [pid 7362] setpgid(0, 0 [pid 7361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7364] setpgid(0, 0 [pid 7363] setpgid(0, 0 [pid 7362] <... setpgid resumed>) = 0 [pid 7361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7364] <... setpgid resumed>) = 0 [pid 7363] <... setpgid resumed>) = 0 [pid 7362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7365 attached [pid 7363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7361] <... clone3 resumed> => {parent_tid=[7365]}, 88) = 7365 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7365] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7364] <... openat resumed>) = 3 [pid 7363] <... openat resumed>) = 3 [pid 7362] <... openat resumed>) = 3 [pid 7361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7362] write(3, "1000", 4 [pid 7361] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... write resumed>) = 4 [pid 7361] <... futex resumed>) = 0 [pid 7364] write(3, "1000", 4 [pid 7363] write(3, "1000", 4 [pid 7362] close(3 [pid 7361] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7365] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 7366 attached [pid 7365] set_robust_list(0x7f39493479a0, 24 [pid 7364] <... write resumed>) = 4 [pid 7363] <... write resumed>) = 4 [pid 7362] <... close resumed>) = 0 [pid 7366] set_robust_list(0x55558704b6a0, 24 [pid 7365] <... set_robust_list resumed>) = 0 [pid 7364] close(3 [pid 7363] close(3 [pid 7362] write(1, "executing program\n", 18executing program [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7366 [pid 7366] <... set_robust_list resumed>) = 0 [pid 7365] rt_sigprocmask(SIG_SETMASK, [], [pid 7364] <... close resumed>) = 0 [pid 7363] <... close resumed>) = 0 [pid 7362] <... write resumed>) = 18 executing program executing program [pid 7366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7364] write(1, "executing program\n", 18 [pid 7363] write(1, "executing program\n", 18 [pid 7362] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... prctl resumed>) = 0 [pid 7364] <... write resumed>) = 18 [pid 7363] <... write resumed>) = 18 [pid 7362] <... futex resumed>) = 0 [pid 7366] setpgid(0, 0 [pid 7365] memfd_create("syzkaller", 0 [pid 7364] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... setpgid resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7362] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7365] <... memfd_create resumed>) = 3 [pid 7364] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7363] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7362] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7366] <... openat resumed>) = 3 [pid 7365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7366] write(3, "1000", 4 [pid 7365] <... mmap resumed>) = 0x7f3940e00000 [pid 7364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7366] <... write resumed>) = 4 [pid 7362] <... mmap resumed>) = 0x7f3949327000 [pid 7366] close(3 [pid 7364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7366] <... close resumed>) = 0 [pid 7364] <... mmap resumed>) = 0x7f3949327000 [pid 7363] <... mmap resumed>) = 0x7f3949327000 [pid 7362] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE executing program [pid 7366] write(1, "executing program\n", 18 [pid 7364] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7363] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7362] <... mprotect resumed>) = 0 [pid 7366] <... write resumed>) = 18 [pid 7364] <... mprotect resumed>) = 0 [pid 7363] <... mprotect resumed>) = 0 [pid 7366] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7366] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7366] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7366] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7367 attached [pid 7366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7367] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7366] <... mmap resumed>) = 0x7f3949327000 [pid 7367] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 7368 attached [pid 7367] set_robust_list(0x7f39493479a0, 24 [pid 7366] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7369 attached [pid 7367] <... set_robust_list resumed>) = 0 [pid 7366] <... mprotect resumed>) = 0 [pid 7363] <... clone3 resumed> => {parent_tid=[7367]}, 88) = 7367 [pid 7363] rt_sigprocmask(SIG_SETMASK, [], [pid 7369] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7368] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7367] rt_sigprocmask(SIG_SETMASK, [], [pid 7364] <... clone3 resumed> => {parent_tid=[7369]}, 88) = 7369 [pid 7363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7369] <... rseq resumed>) = 0 [pid 7368] <... rseq resumed>) = 0 [pid 7367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7366] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7364] rt_sigprocmask(SIG_SETMASK, [], [pid 7363] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... clone3 resumed> => {parent_tid=[7368]}, 88) = 7368 [pid 7369] set_robust_list(0x7f39493479a0, 24 [pid 7368] set_robust_list(0x7f39493479a0, 24 [pid 7367] memfd_create("syzkaller", 0 [pid 7366] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7362] rt_sigprocmask(SIG_SETMASK, [], [pid 7369] <... set_robust_list resumed>) = 0 [pid 7368] <... set_robust_list resumed>) = 0 [pid 7367] <... memfd_create resumed>) = 3 [pid 7366] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7364] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7362] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7370 attached [pid 7369] rt_sigprocmask(SIG_SETMASK, [], [pid 7368] rt_sigprocmask(SIG_SETMASK, [], [pid 7367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7364] <... futex resumed>) = 0 [pid 7362] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7368] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7367] <... mmap resumed>) = 0x7f3940e00000 [pid 7370] <... rseq resumed>) = 0 [pid 7369] memfd_create("syzkaller", 0 [pid 7366] <... clone3 resumed> => {parent_tid=[7370]}, 88) = 7370 [pid 7364] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7362] <... futex resumed>) = 0 [pid 7369] <... memfd_create resumed>) = 3 [pid 7366] rt_sigprocmask(SIG_SETMASK, [], [pid 7362] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7366] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7369] <... mmap resumed>) = 0x7f3940e00000 [pid 7366] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7368] memfd_create("syzkaller", 0 [pid 7366] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7370] set_robust_list(0x7f39493479a0, 24 [pid 7369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7368] <... memfd_create resumed>) = 3 [pid 7367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7365] <... write resumed>) = 1048576 [pid 7370] <... set_robust_list resumed>) = 0 [pid 7368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7365] munmap(0x7f3940e00000, 138412032 [pid 7370] rt_sigprocmask(SIG_SETMASK, [], [pid 7368] <... mmap resumed>) = 0x7f3940e00000 [pid 7365] <... munmap resumed>) = 0 [pid 7370] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7369] <... write resumed>) = 1048576 [pid 7370] memfd_create("syzkaller", 0 [pid 7368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7367] <... write resumed>) = 1048576 [pid 7365] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7370] <... memfd_create resumed>) = 3 [pid 7369] munmap(0x7f3940e00000, 138412032 [pid 7367] munmap(0x7f3940e00000, 138412032 [pid 7365] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7369] <... munmap resumed>) = 0 [pid 7367] <... munmap resumed>) = 0 [pid 7370] <... mmap resumed>) = 0x7f3940e00000 [pid 7369] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7368] <... write resumed>) = 1048576 [pid 7367] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7365] close(3 [pid 7369] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7368] munmap(0x7f3940e00000, 138412032) = 0 [pid 7368] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7370] <... write resumed>) = 1048576 [pid 7369] close(3 [pid 7367] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7365] <... close resumed>) = 0 [pid 7370] munmap(0x7f3940e00000, 138412032 [pid 7368] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7367] close(3 [pid 7370] <... munmap resumed>) = 0 [pid 7365] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7365] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7361] <... futex resumed>) = 0 [pid 7368] close(3 [pid 7361] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... close resumed>) = 0 [pid 7368] <... close resumed>) = 0 [pid 7365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7361] <... futex resumed>) = 0 [pid 7370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7369] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7361] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] close(3 [pid 7365] <... openat resumed>) = 3 [pid 7369] <... futex resumed>) = 1 [pid 7369] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7364] <... futex resumed>) = 0 [pid 7368] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... close resumed>) = 0 [pid 7368] <... futex resumed>) = 1 [pid 7367] <... close resumed>) = 0 [pid 7365] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7370] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7370] <... futex resumed>) = 1 [pid 7369] <... futex resumed>) = 0 [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... futex resumed>) = 0 [pid 7365] <... futex resumed>) = 1 [pid 7364] <... futex resumed>) = 1 [pid 7362] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = 0 [pid 7369] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7366] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7369] <... openat resumed>) = 3 [pid 7368] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7367] <... futex resumed>) = 1 [pid 7366] <... futex resumed>) = 0 [pid 7365] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7364] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... futex resumed>) = 0 [pid 7362] <... futex resumed>) = 0 [pid 7361] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... openat resumed>) = 3 [pid 7369] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7362] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] <... futex resumed>) = 0 [pid 7370] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... futex resumed>) = 0 [pid 7368] <... openat resumed>) = 3 [pid 7367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7366] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7365] <... mmap resumed>) = 0x200000000000 [pid 7364] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] <... futex resumed>) = 0 [pid 7369] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7368] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7365] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] <... futex resumed>) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7370] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] <... mmap resumed>) = 0x200000000000 [pid 7368] <... futex resumed>) = 1 [pid 7367] <... openat resumed>) = 3 [pid 7366] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... futex resumed>) = 0 [pid 7364] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... futex resumed>) = 0 [pid 7361] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7369] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... futex resumed>) = 0 [pid 7365] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7362] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = 0 [pid 7370] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7369] <... futex resumed>) = 0 [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] <... futex resumed>) = 1 [pid 7366] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... futex resumed>) = 0 [pid 7361] read(1229035008, [pid 7370] <... mmap resumed>) = 0x200000000000 [pid 7369] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7368] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7367] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7364] <... futex resumed>) = ? [pid 7363] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7363] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... mmap resumed>) = 0x200000000000 [pid 7367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7362] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] <... futex resumed>) = 1 [pid 7369] +++ killed by SIGBUS +++ [pid 7366] <... futex resumed>) = 0 [pid 7370] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7365] +++ killed by SIGBUS +++ [pid 7361] +++ killed by SIGBUS +++ [pid 7368] <... futex resumed>) = 1 [pid 7367] <... mmap resumed>) = 0x200000000000 [pid 7362] <... futex resumed>) = 0 [pid 7368] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7364] +++ killed by SIGBUS +++ [pid 7362] ???( [pid 7367] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7361, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 7370] <... futex resumed>) = 0 [pid 7367] <... futex resumed>) = 1 [pid 7366] <... futex resumed>) = 1 [pid 7363] <... futex resumed>) = 0 [pid 7362] <... ??? resumed>) = ? [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7364, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7370] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7368] +++ killed by SIGBUS +++ [pid 7367] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7363] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7363] <... futex resumed>) = ? [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7371 attached [pid 7370] +++ killed by SIGBUS +++ [pid 7367] +++ killed by SIGBUS +++ [pid 7366] +++ killed by SIGBUS +++ [pid 7363] +++ killed by SIGBUS +++ [pid 7362] +++ killed by SIGBUS +++ [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7363, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7366, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7362, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7371 [pid 7371] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7371] setpgid(0, 0) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5826] <... restart_syscall resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7371] <... openat resumed>) = 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7372 attached [pid 7371] write(3, "1000", 4 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7372] set_robust_list(0x55558704b6a0, 24 [pid 7371] <... write resumed>) = 4 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7372 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7372] <... set_robust_list resumed>) = 0 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7375 attached ./strace-static-x86_64: Process 7374 attached ./strace-static-x86_64: Process 7373 attached [pid 7372] setpgid(0, 0 [pid 7371] close(3 [pid 7375] set_robust_list(0x55558704b6a0, 24 [pid 7373] set_robust_list(0x55558704b6a0, 24 [pid 7375] <... set_robust_list resumed>) = 0 [pid 7374] set_robust_list(0x55558704b6a0, 24 [pid 7373] <... set_robust_list resumed>) = 0 [pid 7372] <... setpgid resumed>) = 0 [pid 7371] <... close resumed>) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7374 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7375 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7373 [pid 7375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7374] <... set_robust_list resumed>) = 0 executing program [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7371] write(1, "executing program\n", 18 [pid 7375] <... prctl resumed>) = 0 [pid 7374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7373] <... prctl resumed>) = 0 [pid 7371] <... write resumed>) = 18 [pid 7375] setpgid(0, 0 [pid 7374] <... prctl resumed>) = 0 [pid 7373] setpgid(0, 0 [pid 7372] <... openat resumed>) = 3 [pid 7371] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... setpgid resumed>) = 0 [pid 7374] setpgid(0, 0 [pid 7373] <... setpgid resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7371] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7374] <... setpgid resumed>) = 0 [pid 7371] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] write(3, "1000", 4 [pid 7371] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] <... write resumed>) = 4 [pid 7371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7375] <... openat resumed>) = 3 [pid 7374] <... openat resumed>) = 3 [pid 7372] close(3 [pid 7371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7372] <... close resumed>) = 0 [pid 7375] write(3, "1000", 4 [pid 7374] write(3, "1000", 4 [pid 7373] <... openat resumed>) = 3 [pid 7372] write(1, "executing program\n", 18 [pid 7371] <... mmap resumed>) = 0x7f3949327000 executing program [pid 7375] <... write resumed>) = 4 [pid 7374] <... write resumed>) = 4 [pid 7373] write(3, "1000", 4 [pid 7372] <... write resumed>) = 18 [pid 7371] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7375] close(3 [pid 7374] close(3 [pid 7373] <... write resumed>) = 4 [pid 7372] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] <... mprotect resumed>) = 0 executing program [pid 7375] <... close resumed>) = 0 [pid 7374] <... close resumed>) = 0 [pid 7373] close(3 [pid 7375] write(1, "executing program\n", 18) = 18 [pid 7373] <... close resumed>) = 0 executing program executing program [pid 7375] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] write(1, "executing program\n", 18 [pid 7373] write(1, "executing program\n", 18 [pid 7372] <... futex resumed>) = 0 [pid 7371] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7375] <... futex resumed>) = 0 [pid 7374] <... write resumed>) = 18 [pid 7373] <... write resumed>) = 18 [pid 7372] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7375] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7374] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7371] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7374] <... futex resumed>) = 0 [pid 7373] <... futex resumed>) = 0 [pid 7372] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7371] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7374] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7373] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7372] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7376 attached [pid 7375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7374] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7373] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7376] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7373] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7372] <... mmap resumed>) = 0x7f3949327000 [pid 7376] <... rseq resumed>) = 0 [pid 7375] <... mmap resumed>) = 0x7f3949327000 [pid 7374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7372] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7371] <... clone3 resumed> => {parent_tid=[7376]}, 88) = 7376 [pid 7376] set_robust_list(0x7f39493479a0, 24 [pid 7375] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7372] <... mprotect resumed>) = 0 [pid 7371] rt_sigprocmask(SIG_SETMASK, [], [pid 7376] <... set_robust_list resumed>) = 0 [pid 7375] <... mprotect resumed>) = 0 [pid 7374] <... mmap resumed>) = 0x7f3949327000 [pid 7373] <... mmap resumed>) = 0x7f3949327000 [pid 7371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7376] rt_sigprocmask(SIG_SETMASK, [], [pid 7373] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7376] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7374] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7372] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7371] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7376] memfd_create("syzkaller", 0 [pid 7374] <... mprotect resumed>) = 0 [pid 7373] <... mprotect resumed>) = 0 [pid 7375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7374] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7372] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7375] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7374] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7373] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7372] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7371] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7376] <... memfd_create resumed>) = 3 [pid 7374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7378 attached [pid 7376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7373] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7379 attached ./strace-static-x86_64: Process 7377 attached [pid 7378] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7376] <... mmap resumed>) = 0x7f3940e00000 [pid 7375] <... clone3 resumed> => {parent_tid=[7378]}, 88) = 7378 [pid 7373] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7372] <... clone3 resumed> => {parent_tid=[7377]}, 88) = 7377 [pid 7379] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7378] <... rseq resumed>) = 0 [pid 7377] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7374] <... clone3 resumed> => {parent_tid=[7379]}, 88) = 7379 [pid 7372] rt_sigprocmask(SIG_SETMASK, [], [pid 7379] <... rseq resumed>) = 0 [pid 7378] set_robust_list(0x7f39493479a0, 24 [pid 7377] <... rseq resumed>) = 0 [pid 7375] rt_sigprocmask(SIG_SETMASK, [], [pid 7374] rt_sigprocmask(SIG_SETMASK, [], [pid 7372] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7380 attached [pid 7377] set_robust_list(0x7f39493479a0, 24 [pid 7374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7372] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7377] <... set_robust_list resumed>) = 0 [pid 7374] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = 0 [pid 7380] <... rseq resumed>) = 0 [pid 7377] rt_sigprocmask(SIG_SETMASK, [], [pid 7374] <... futex resumed>) = 0 [pid 7372] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7380] set_robust_list(0x7f39493479a0, 24 [pid 7377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7374] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7380] <... set_robust_list resumed>) = 0 [pid 7377] memfd_create("syzkaller", 0 [pid 7380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7380] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] set_robust_list(0x7f39493479a0, 24 [pid 7378] <... set_robust_list resumed>) = 0 [pid 7377] <... memfd_create resumed>) = 3 [pid 7376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7373] <... clone3 resumed> => {parent_tid=[7380]}, 88) = 7380 [pid 7379] <... set_robust_list resumed>) = 0 [pid 7378] rt_sigprocmask(SIG_SETMASK, [], [pid 7375] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] rt_sigprocmask(SIG_SETMASK, [], [pid 7379] rt_sigprocmask(SIG_SETMASK, [], [pid 7378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7375] <... futex resumed>) = 0 [pid 7373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7378] memfd_create("syzkaller", 0 [pid 7375] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7373] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... futex resumed>) = 0 [pid 7377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7373] <... futex resumed>) = 1 [pid 7380] memfd_create("syzkaller", 0 [pid 7379] memfd_create("syzkaller", 0 [pid 7378] <... memfd_create resumed>) = 3 [pid 7377] <... mmap resumed>) = 0x7f3940e00000 [pid 7373] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7380] <... memfd_create resumed>) = 3 [pid 7379] <... memfd_create resumed>) = 3 [pid 7378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7379] <... mmap resumed>) = 0x7f3940e00000 [pid 7380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7378] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7376] <... write resumed>) = 1048576 [pid 7376] munmap(0x7f3940e00000, 138412032 [pid 7378] <... write resumed>) = 1048576 [pid 7376] <... munmap resumed>) = 0 [pid 7376] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7379] <... write resumed>) = 1048576 [pid 7376] close(3 [pid 7379] munmap(0x7f3940e00000, 138412032 [pid 7378] munmap(0x7f3940e00000, 138412032 [pid 7379] <... munmap resumed>) = 0 [pid 7379] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 7380] <... write resumed>) = 1048576 [pid 7378] <... munmap resumed>) = 0 [pid 7379] close(3 [pid 7377] <... write resumed>) = 1048576 [pid 7376] <... close resumed>) = 0 [pid 7380] munmap(0x7f3940e00000, 138412032 [pid 7379] <... close resumed>) = 0 [pid 7378] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7377] munmap(0x7f3940e00000, 138412032 [pid 7376] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7379] <... futex resumed>) = 1 [pid 7379] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] <... munmap resumed>) = 0 [pid 7378] close(3 [pid 7376] <... futex resumed>) = 1 [pid 7374] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7376] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7374] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... futex resumed>) = 0 [pid 7374] <... futex resumed>) = 1 [pid 7379] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7377] <... munmap resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7380] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7376] <... openat resumed>) = 3 [pid 7374] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] <... openat resumed>) = 3 [pid 7379] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = 0 [pid 7374] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7374] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] <... futex resumed>) = 1 [pid 7379] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7380] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7378] <... close resumed>) = 0 [pid 7377] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7376] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] close(3 [pid 7379] <... futex resumed>) = 1 [pid 7378] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7376] <... futex resumed>) = 1 [pid 7374] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7379] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] <... futex resumed>) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7374] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] close(3 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7376] <... mmap resumed>) = 0x200000000000 [pid 7375] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7378] <... openat resumed>) = 3 [pid 7375] <... futex resumed>) = 0 [pid 7374] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7378] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7378] <... futex resumed>) = 0 [pid 7376] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7376] <... futex resumed>) = 1 [pid 7375] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = ? [pid 7371] <... futex resumed>) = 0 [pid 7379] +++ killed by SIGBUS +++ [pid 7376] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] <... futex resumed>) = 0 [pid 7378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7371] <... futex resumed>) = 0 [pid 7378] <... mmap resumed>) = 0x200000000000 [pid 7371] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] +++ killed by SIGBUS +++ [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7374, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7378] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7378] <... futex resumed>) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = ? [pid 7375] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7375] <... futex resumed>) = ? [pid 7378] +++ killed by SIGBUS +++ [pid 5828] <... restart_syscall resumed>) = 0 [pid 7376] +++ killed by SIGBUS +++ [pid 7371] +++ killed by SIGBUS +++ [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7371, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7380] <... close resumed>) = 0 [pid 7375] +++ killed by SIGBUS +++ [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7380] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7375, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7373] <... futex resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7380] <... futex resumed>) = 1 [pid 7373] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7373] <... futex resumed>) = 0 [pid 7380] <... openat resumed>) = 3 [pid 7377] <... close resumed>) = 0 [pid 7373] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7380] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7381 attached [pid 7377] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... restart_syscall resumed>) = 0 [pid 7381] set_robust_list(0x55558704b6a0, 24 [pid 7380] <... futex resumed>) = 1 [pid 7377] <... futex resumed>) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7381] <... set_robust_list resumed>) = 0 [pid 7380] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7377] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7373] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7381 ./strace-static-x86_64: Process 7382 attached [pid 7381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7380] <... mmap resumed>) = 0x200000000000 [pid 7377] <... openat resumed>) = 3 [pid 7373] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7382] set_robust_list(0x55558704b6a0, 24 [pid 7381] <... prctl resumed>) = 0 [pid 7380] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7382 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7382] <... set_robust_list resumed>) = 0 [pid 7381] setpgid(0, 0 [pid 7380] <... futex resumed>) = 0 [pid 7373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... setpgid resumed>) = 0 [pid 7373] <... futex resumed>) = 0 [pid 7372] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] <... futex resumed>) = 0 [pid 7382] <... prctl resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7380] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7377] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7381] <... openat resumed>) = 3 [pid 7373] <... futex resumed>) = ? [pid 7372] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7381] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 7383 attached [pid 7382] setpgid(0, 0 [pid 7381] close(3 [pid 7380] +++ killed by SIGBUS +++ [pid 7377] <... mmap resumed>) = 0x200000000000 [pid 7373] +++ killed by SIGBUS +++ [pid 7383] set_robust_list(0x55558704b6a0, 24 [pid 7382] <... setpgid resumed>) = 0 [pid 7377] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... close resumed>) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7383 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7373, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7383] <... set_robust_list resumed>) = 0 [pid 7382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] <... futex resumed>) = 0 executing program [pid 7383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7377] <... futex resumed>) = 1 [pid 7372] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] write(1, "executing program\n", 18 [pid 7377] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7381] <... write resumed>) = 18 [pid 7372] <... futex resumed>) = 0 [pid 7383] <... prctl resumed>) = 0 [pid 7381] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7383] setpgid(0, 0 [pid 7382] <... openat resumed>) = 3 [pid 7381] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = ? [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7383] <... setpgid resumed>) = 0 [pid 7382] write(3, "1000", 4 [pid 7381] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7377] +++ killed by SIGBUS +++ [pid 7381] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7382] <... write resumed>) = 4 [pid 7381] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7382] close(3 [pid 7381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7382] <... close resumed>) = 0 executing program [pid 7381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7372] +++ killed by SIGBUS +++ [pid 7383] <... openat resumed>) = 3 [pid 7382] write(1, "executing program\n", 18 [pid 7381] <... mmap resumed>) = 0x7f3949327000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7372, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7383] write(3, "1000", 4 [pid 7382] <... write resumed>) = 18 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 7383] <... write resumed>) = 4 [pid 7382] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7383] close(3 [pid 7382] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7384 attached [pid 7383] <... close resumed>) = 0 [pid 7382] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7381] <... mprotect resumed>) = 0 executing program [pid 7383] write(1, "executing program\n", 18 [pid 7384] set_robust_list(0x55558704b6a0, 24 [pid 7382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7384 [pid 7383] <... write resumed>) = 18 [pid 7383] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7381] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7383] <... futex resumed>) = 0 [pid 7382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7384] <... set_robust_list resumed>) = 0 [pid 7383] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7381] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 7384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7383] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7382] <... mmap resumed>) = 0x7f3949327000 [pid 7381] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7383] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7385 attached ) = 0x7f3949327000 [pid 7385] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7384] <... prctl resumed>) = 0 [pid 7382] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7385] <... rseq resumed>) = 0 [pid 7383] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7385] set_robust_list(0x7f39493479a0, 24 [pid 7384] setpgid(0, 0 [pid 7383] <... mprotect resumed>) = 0 [pid 7382] <... mprotect resumed>) = 0 [pid 7381] <... clone3 resumed> => {parent_tid=[7385]}, 88) = 7385 [pid 7385] <... set_robust_list resumed>) = 0 [pid 7384] <... setpgid resumed>) = 0 [pid 7383] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7381] rt_sigprocmask(SIG_SETMASK, [], [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7385] rt_sigprocmask(SIG_SETMASK, [], [pid 7384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7383] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7384] <... openat resumed>) = 3 [pid 7383] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7381] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] memfd_create("syzkaller", 0 [pid 7384] write(3, "1000", 4 [pid 7381] <... futex resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7386 attached ./strace-static-x86_64: Process 7388 attached ./strace-static-x86_64: Process 7387 attached [pid 7386] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7385] <... memfd_create resumed>) = 3 [pid 7384] <... write resumed>) = 4 [pid 7383] <... clone3 resumed> => {parent_tid=[7387]}, 88) = 7387 [pid 7382] <... clone3 resumed> => {parent_tid=[7386]}, 88) = 7386 [pid 7381] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7388] set_robust_list(0x55558704b6a0, 24 [pid 7387] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7386] <... rseq resumed>) = 0 [pid 7385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7384] close(3 [pid 7383] rt_sigprocmask(SIG_SETMASK, [], [pid 7382] rt_sigprocmask(SIG_SETMASK, [], [pid 7388] <... set_robust_list resumed>) = 0 [pid 7386] set_robust_list(0x7f39493479a0, 24 [pid 7383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7387] <... rseq resumed>) = 0 [pid 7384] <... close resumed>) = 0 [pid 7383] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... set_robust_list resumed>) = 0 [pid 7388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7386] rt_sigprocmask(SIG_SETMASK, [], [pid 7383] <... futex resumed>) = 0 [pid 7383] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7385] <... mmap resumed>) = 0x7f3940e00000 [pid 7386] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7387] set_robust_list(0x7f39493479a0, 24 [pid 7386] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 7384] write(1, "executing program\n", 18 [pid 7382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7388 [pid 7387] <... set_robust_list resumed>) = 0 [pid 7384] <... write resumed>) = 18 [pid 7382] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] rt_sigprocmask(SIG_SETMASK, [], [pid 7384] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] <... futex resumed>) = 0 [pid 7387] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7384] <... futex resumed>) = 0 [pid 7382] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7387] memfd_create("syzkaller", 0 [pid 7384] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7387] <... memfd_create resumed>) = 3 [pid 7384] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7387] <... mmap resumed>) = 0x7f3940e00000 [pid 7384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7388] <... prctl resumed>) = 0 [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7388] setpgid(0, 0 [pid 7386] memfd_create("syzkaller", 0 [pid 7384] <... mmap resumed>) = 0x7f3949327000 [pid 7384] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7388] <... setpgid resumed>) = 0 [pid 7388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7388] <... openat resumed>) = 3 [pid 7388] write(3, "1000", 4 [pid 7386] <... memfd_create resumed>) = 3 [pid 7385] <... write resumed>) = 1048576 [pid 7384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7388] <... write resumed>) = 4 [pid 7386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7385] munmap(0x7f3940e00000, 138412032 [pid 7384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7388] close(3 [pid 7386] <... mmap resumed>) = 0x7f3940e00000 [pid 7388] <... close resumed>) = 0 [pid 7387] <... write resumed>) = 1048576 [pid 7385] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7389 attached [pid 7388] write(1, "executing program\n", 18 [pid 7384] <... clone3 resumed> => {parent_tid=[7389]}, 88) = 7389 executing program [pid 7385] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7384] rt_sigprocmask(SIG_SETMASK, [], [pid 7389] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7388] <... write resumed>) = 18 [pid 7389] <... rseq resumed>) = 0 [pid 7388] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] set_robust_list(0x7f39493479a0, 24 [pid 7388] <... futex resumed>) = 0 [pid 7387] munmap(0x7f3940e00000, 138412032 [pid 7385] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7389] <... set_robust_list resumed>) = 0 [pid 7388] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7387] <... munmap resumed>) = 0 [pid 7384] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] rt_sigprocmask(SIG_SETMASK, [], [pid 7388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7389] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7385] close(3 [pid 7384] <... futex resumed>) = 0 [pid 7389] memfd_create("syzkaller", 0 [pid 7388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7387] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7384] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7387] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7388] <... mmap resumed>) = 0x7f3949327000 [pid 7388] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7389] <... memfd_create resumed>) = 3 [pid 7388] <... mprotect resumed>) = 0 [pid 7387] close(3 [pid 7389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7387] <... close resumed>) = 0 [pid 7386] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7389] <... mmap resumed>) = 0x7f3940e00000 [pid 7388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7385] <... close resumed>) = 0 [pid 7385] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7385] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7390 attached [pid 7381] <... futex resumed>) = 0 [pid 7381] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = 1 [pid 7385] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7385] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7385] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7381] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7381] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = 1 [pid 7385] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7385] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... futex resumed>) = 0 [pid 7381] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7385] <... futex resumed>) = 1 [pid 7381] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7387] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7390] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7388] <... clone3 resumed> => {parent_tid=[7390]}, 88) = 7390 [pid 7387] <... futex resumed>) = 1 [pid 7387] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7381] <... futex resumed>) = ? [pid 7390] <... rseq resumed>) = 0 [pid 7388] rt_sigprocmask(SIG_SETMASK, [], [pid 7383] <... futex resumed>) = 0 [pid 7390] set_robust_list(0x7f39493479a0, 24 [pid 7388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7383] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... set_robust_list resumed>) = 0 [pid 7388] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] <... futex resumed>) = 1 [pid 7390] rt_sigprocmask(SIG_SETMASK, [], [pid 7388] <... futex resumed>) = 0 [pid 7387] <... futex resumed>) = 0 [pid 7383] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7388] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7387] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7390] memfd_create("syzkaller", 0 [pid 7387] <... openat resumed>) = 3 [pid 7387] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7383] <... futex resumed>) = 0 [pid 7390] <... memfd_create resumed>) = 3 [pid 7387] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] +++ killed by SIGBUS +++ [pid 7383] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] +++ killed by SIGBUS +++ [pid 7387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7383] <... futex resumed>) = 0 [pid 7387] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7383] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7381, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7387] <... mmap resumed>) = 0x200000000000 [pid 5828] restart_syscall(<... resuming interrupted clone ...> [pid 7387] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7390] <... mmap resumed>) = 0x7f3940e00000 [pid 7387] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] <... futex resumed>) = 0 [pid 7389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7383] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... write resumed>) = 1048576 [pid 7390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7389] <... write resumed>) = 1048576 [pid 7387] <... futex resumed>) = 0 [pid 7383] <... futex resumed>) = 1 [pid 5828] <... restart_syscall resumed>) = 0 [pid 7389] munmap(0x7f3940e00000, 138412032 [pid 7387] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7386] munmap(0x7f3940e00000, 138412032 [pid 7383] munmap(0x7f3940e00000, 138412032 [pid 7389] <... munmap resumed>) = 0 [pid 7386] <... munmap resumed>) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7387] +++ killed by SIGBUS +++ [pid 7383] +++ killed by SIGBUS +++ [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7383, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7389] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7386] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7389] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7386] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7389] close(3./strace-static-x86_64: Process 7391 attached [pid 7386] close(3 [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7391 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7391] set_robust_list(0x55558704b6a0, 24) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7390] <... write resumed>) = 1048576 [pid 7391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7390] munmap(0x7f3940e00000, 138412032 [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7391] <... prctl resumed>) = 0 [pid 7390] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7392 attached [pid 7391] setpgid(0, 0 [pid 7390] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7392 [pid 7392] set_robust_list(0x55558704b6a0, 24 [pid 7391] <... setpgid resumed>) = 0 [pid 7390] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7392] <... set_robust_list resumed>) = 0 [pid 7392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7390] close(3 [pid 7391] <... openat resumed>) = 3 [pid 7389] <... close resumed>) = 0 [pid 7392] <... prctl resumed>) = 0 [pid 7391] write(3, "1000", 4 [pid 7390] <... close resumed>) = 0 [pid 7386] <... close resumed>) = 0 [pid 7392] setpgid(0, 0 [pid 7391] <... write resumed>) = 4 [pid 7390] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... setpgid resumed>) = 0 [pid 7391] close(3 [pid 7390] <... futex resumed>) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7390] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7389] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... futex resumed>) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7386] <... futex resumed>) = 1 [pid 7384] <... futex resumed>) = 0 [pid 7382] <... futex resumed>) = 0 [pid 7392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7391] <... close resumed>) = 0 [pid 7390] <... openat resumed>) = 3 [pid 7389] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7384] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7384] <... futex resumed>) = 0 [pid 7382] <... futex resumed>) = 0 executing program [pid 7391] write(1, "executing program\n", 18 [pid 7390] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7386] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7384] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] <... openat resumed>) = 3 [pid 7391] <... write resumed>) = 18 [pid 7390] <... futex resumed>) = 1 [pid 7389] <... openat resumed>) = 3 [pid 7388] <... futex resumed>) = 0 [pid 7386] <... openat resumed>) = 3 [pid 7392] write(3, "1000", 4 [pid 7391] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... futex resumed>) = 1 [pid 7388] <... futex resumed>) = 0 [pid 7386] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = 0 [pid 7392] <... write resumed>) = 4 [pid 7391] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7390] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7389] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] <... futex resumed>) = 1 [pid 7384] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] <... futex resumed>) = 0 [pid 7392] close(3 [pid 7391] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7390] <... mmap resumed>) = 0x200000000000 [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7386] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7384] <... futex resumed>) = 0 [pid 7382] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] <... close resumed>) = 0 [pid 7391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7390] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7384] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] <... futex resumed>) = 0 [pid 7392] write(1, "executing program\n", 18 [pid 7391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7390] <... futex resumed>) = 1 [pid 7389] <... mmap resumed>) = 0x200000000000 [pid 7388] <... futex resumed>) = 0 [pid 7386] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7382] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7390] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7388] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7392] <... write resumed>) = 18 [pid 7391] <... mmap resumed>) = 0x7f3949327000 [pid 7390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = 0 [pid 7386] <... mmap resumed>) = 0x200000000000 [pid 7392] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7390] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7389] <... futex resumed>) = 1 [pid 7388] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7391] <... mprotect resumed>) = 0 [pid 7389] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7388] <... futex resumed>) = ? [pid 7386] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7391] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7390] +++ killed by SIGBUS +++ [pid 7386] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 0 [pid 7392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7391] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7389] +++ killed by SIGBUS +++ [pid 7388] +++ killed by SIGBUS +++ [pid 7386] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7384] +++ killed by SIGBUS +++ [pid 7382] read(0, [pid 7392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7388, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7384, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 7393 attached [pid 7392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7386] +++ killed by SIGBUS +++ [pid 7382] +++ killed by SIGBUS +++ [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 7393] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7391] <... clone3 resumed> => {parent_tid=[7393]}, 88) = 7393 [pid 7393] <... rseq resumed>) = 0 [pid 7392] <... mmap resumed>) = 0x7f3949327000 [pid 7393] set_robust_list(0x7f39493479a0, 24 [pid 7392] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7391] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7382, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7393] <... set_robust_list resumed>) = 0 [pid 7392] <... mprotect resumed>) = 0 [pid 7391] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 7393] rt_sigprocmask(SIG_SETMASK, [], [pid 7392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7391] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7393] memfd_create("syzkaller", 0 [pid 7392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7393] <... memfd_create resumed>) = 3 [pid 7392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7391] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7394 attached [pid 7394] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7393] <... mmap resumed>) = 0x7f3940e00000 [pid 7394] <... rseq resumed>) = 0 [pid 7392] <... clone3 resumed> => {parent_tid=[7394]}, 88) = 7394 [pid 7392] rt_sigprocmask(SIG_SETMASK, [], [pid 7394] set_robust_list(0x7f39493479a0, 24 [pid 7393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7394] <... set_robust_list resumed>) = 0 [pid 7392] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] rt_sigprocmask(SIG_SETMASK, [], [pid 7392] <... futex resumed>) = 0 [pid 7394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7392] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7394] memfd_create("syzkaller", 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7394] <... memfd_create resumed>) = 3 [pid 7393] <... write resumed>) = 1048576 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7395 attached [pid 7394] <... mmap resumed>) = 0x7f3940e00000 ./strace-static-x86_64: Process 7397 attached [pid 7395] set_robust_list(0x55558704b6a0, 24 [pid 7393] munmap(0x7f3940e00000, 138412032 [pid 7395] <... set_robust_list resumed>) = 0 [pid 7397] set_robust_list(0x55558704b6a0, 24 [pid 7395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7393] <... munmap resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7395 [pid 7397] <... set_robust_list resumed>) = 0 [pid 7395] <... prctl resumed>) = 0 [pid 7395] setpgid(0, 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7396 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7397 [pid 7395] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7396 attached [pid 7397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7396] set_robust_list(0x55558704b6a0, 24) = 0 [pid 7397] <... prctl resumed>) = 0 [pid 7396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7393] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7397] setpgid(0, 0 [pid 7396] <... prctl resumed>) = 0 [pid 7396] setpgid(0, 0 [pid 7395] <... openat resumed>) = 3 [pid 7397] <... setpgid resumed>) = 0 [pid 7396] <... setpgid resumed>) = 0 [pid 7396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7393] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7395] write(3, "1000", 4 [pid 7397] <... openat resumed>) = 3 [pid 7396] <... openat resumed>) = 3 [pid 7395] <... write resumed>) = 4 [pid 7394] <... write resumed>) = 1048576 [pid 7393] close(3 [pid 7395] close(3 [pid 7396] write(3, "1000", 4 [pid 7395] <... close resumed>) = 0 [pid 7396] <... write resumed>) = 4 [pid 7396] close(3executing program ) = 0 [pid 7396] write(1, "executing program\n", 18) = 18 [pid 7396] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7396] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7396] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7396] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7396] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7396] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} => {parent_tid=[7398]}, 88) = 7398 [pid 7396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7396] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7398 attached [pid 7397] write(3, "1000", 4 [pid 7396] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 7395] write(1, "executing program\n", 18 [pid 7398] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7397] <... write resumed>) = 4 [pid 7394] munmap(0x7f3940e00000, 138412032 [pid 7395] <... write resumed>) = 18 [pid 7398] <... rseq resumed>) = 0 [pid 7397] close(3 [pid 7393] <... close resumed>) = 0 [pid 7398] set_robust_list(0x7f39493479a0, 24 [pid 7397] <... close resumed>) = 0 [pid 7395] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 7398] <... set_robust_list resumed>) = 0 [pid 7397] write(1, "executing program\n", 18 [pid 7395] <... futex resumed>) = 0 [pid 7398] rt_sigprocmask(SIG_SETMASK, [], [pid 7397] <... write resumed>) = 18 [pid 7395] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7397] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7394] <... munmap resumed>) = 0 [pid 7393] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] memfd_create("syzkaller", 0 [pid 7397] <... futex resumed>) = 0 [pid 7393] <... futex resumed>) = 1 [pid 7395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7397] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7398] <... memfd_create resumed>) = 3 [pid 7397] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7391] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7391] <... futex resumed>) = 0 [pid 7395] <... mmap resumed>) = 0x7f3949327000 [pid 7398] <... mmap resumed>) = 0x7f3940e00000 [pid 7395] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7391] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7393] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7394] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7393] <... openat resumed>) = 3 [pid 7394] close(3 [pid 7398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7395] <... mprotect resumed>) = 0 [pid 7393] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7395] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7394] <... close resumed>) = 0 [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7391] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7395] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7397] <... mmap resumed>) = 0x7f3949327000 [pid 7395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7397] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7395] <... clone3 resumed> => {parent_tid=[7399]}, 88) = 7399 [pid 7397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7395] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7395] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7393] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7398] <... write resumed>) = 1048576 [pid 7393] <... mmap resumed>) = 0x200000000000 [pid 7399] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7393] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... rseq resumed>) = 0 [pid 7397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7393] <... futex resumed>) = 1 [pid 7399] set_robust_list(0x7f39493479a0, 24 [pid 7398] munmap(0x7f3940e00000, 138412032 [pid 7394] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7400 attached [pid 7399] <... set_robust_list resumed>) = 0 [pid 7391] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7399] rt_sigprocmask(SIG_SETMASK, [], [pid 7397] <... clone3 resumed> => {parent_tid=[7400]}, 88) = 7400 [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 1 [pid 7400] <... rseq resumed>) = 0 [pid 7399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7398] <... munmap resumed>) = 0 [pid 7397] rt_sigprocmask(SIG_SETMASK, [], [pid 7394] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7392] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7400] set_robust_list(0x7f39493479a0, 24 [pid 7399] memfd_create("syzkaller", 0 [pid 7397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7400] <... set_robust_list resumed>) = 0 [pid 7399] <... memfd_create resumed>) = 3 [pid 7398] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7397] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7392] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = ? [pid 7400] rt_sigprocmask(SIG_SETMASK, [], [pid 7399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7397] <... futex resumed>) = 0 [pid 7394] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7392] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7399] <... mmap resumed>) = 0x7f3940e00000 [pid 7397] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7400] memfd_create("syzkaller", 0 [pid 7394] <... openat resumed>) = 3 [pid 7398] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7400] <... memfd_create resumed>) = 3 [pid 7400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7398] close(3 [pid 7394] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] +++ killed by SIGBUS +++ [pid 7391] +++ killed by SIGBUS +++ [pid 7400] <... mmap resumed>) = 0x7f3940e00000 [pid 7394] <... futex resumed>) = 1 [pid 7394] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] <... close resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7391, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 7400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7399] <... write resumed>) = 1048576 [pid 7398] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] munmap(0x7f3940e00000, 138412032) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7396] <... futex resumed>) = 0 [pid 7396] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7400] <... write resumed>) = 1048576 [pid 7399] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7398] <... futex resumed>) = 1 [pid 7396] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 1 [pid 7398] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7394] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7400] munmap(0x7f3940e00000, 138412032 [pid 7399] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7398] <... openat resumed>) = 3 [pid 7394] <... mmap resumed>) = 0x200000000000 [pid 7392] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] set_robust_list(0x55558704b6a0, 24 [pid 7398] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... set_robust_list resumed>) = 0 [pid 7400] <... munmap resumed>) = 0 [pid 7398] <... futex resumed>) = 1 [pid 7396] <... futex resumed>) = 0 [pid 7394] <... futex resumed>) = 0 [pid 7401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7400] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7399] close(3 [pid 7398] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7396] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7401 [pid 7400] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7396] <... futex resumed>) = 0 [pid 7401] <... prctl resumed>) = 0 [pid 7398] <... mmap resumed>) = 0x200000000000 [pid 7396] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7392] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] setpgid(0, 0 [pid 7400] close(3 [pid 7401] <... setpgid resumed>) = 0 [pid 7394] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7392] <... futex resumed>) = 0 [pid 7401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7400] <... close resumed>) = 0 [pid 7399] <... close resumed>) = 0 [pid 7398] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7396] <... futex resumed>) = 0 [pid 7401] <... openat resumed>) = 3 [pid 7399] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7396] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = 1 [pid 7396] <... futex resumed>) = ? [pid 7395] <... futex resumed>) = 0 [pid 7395] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] write(3, "1000", 4 [pid 7400] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7395] <... futex resumed>) = 0 [pid 7399] <... openat resumed>) = 3 [pid 7395] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] <... write resumed>) = 4 [pid 7400] <... futex resumed>) = 1 [pid 7399] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7401] close(3 [pid 7400] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7399] <... futex resumed>) = 0 executing program [pid 7397] <... futex resumed>) = 0 [pid 7395] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7395] <... futex resumed>) = 0 [pid 7401] <... close resumed>) = 0 [pid 7397] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] write(1, "executing program\n", 18 [pid 7400] <... futex resumed>) = 0 [pid 7397] <... futex resumed>) = 1 [pid 7401] <... write resumed>) = 18 [pid 7400] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7397] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... openat resumed>) = 3 [pid 7399] <... mmap resumed>) = 0x200000000000 [pid 7399] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] +++ killed by SIGBUS +++ [pid 7396] +++ killed by SIGBUS +++ [pid 7400] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... futex resumed>) = 0 [pid 7394] +++ killed by SIGBUS +++ [pid 7392] +++ killed by SIGBUS +++ [pid 7399] <... futex resumed>) = 1 [pid 7395] <... futex resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7396, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7401] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7400] <... futex resumed>) = 1 [pid 7399] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7397] <... futex resumed>) = 0 [pid 7395] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7392, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7401] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7400] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = ? [pid 7401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] <... futex resumed>) = 0 [pid 5827] restart_syscall(<... resuming interrupted clone ...> [pid 7401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7400] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1<) = 0 [pid 5827] <... restart_syscall resumed>) = 0 [pid 7397] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7401] <... mmap resumed>) = 0x7f3949327000 [pid 7400] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7401] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7400] <... futex resumed>) = 1 [pid 7397] <... futex resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7402 attached [pid 7401] <... mprotect resumed>) = 0 [pid 7400] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7399] +++ killed by SIGBUS +++ [pid 7397] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] +++ killed by SIGBUS +++ [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] <... futex resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7395, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7397] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5827] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7402] set_robust_list(0x55558704b6a0, 24 [pid 7400] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7402] <... set_robust_list resumed>) = 0 [pid 7401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7397] <... futex resumed>) = ? [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7401] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7400] +++ killed by SIGBUS +++ [pid 7397] +++ killed by SIGBUS +++ [pid 5829] <... clone resumed>, child_tidptr=0x55558704b690) = 7402 ./strace-static-x86_64: Process 7403 attached [pid 7402] <... prctl resumed>) = 0 [pid 5826] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7397, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=0} --- [pid 7403] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7402] setpgid(0, 0 [pid 7401] <... clone3 resumed> => {parent_tid=[7403]}, 88) = 7403 [pid 5826] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... restart_syscall resumed>) = 0 [pid 7403] <... rseq resumed>) = 0 [pid 7402] <... setpgid resumed>) = 0 [pid 7401] rt_sigprocmask(SIG_SETMASK, [], [pid 7403] set_robust_list(0x7f39493479a0, 24 [pid 7402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] <... restart_syscall resumed>) = 0 [pid 7403] <... set_robust_list resumed>) = 0 [pid 7401] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7403] rt_sigprocmask(SIG_SETMASK, [], [pid 7401] <... futex resumed>) = 0 [pid 5832] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7402] <... openat resumed>) = 3 [pid 7401] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7404 attached [pid 7403] memfd_create("syzkaller", 0 [pid 7402] write(3, "1000", 4 [pid 5826] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 7405 attached [pid 7404] set_robust_list(0x55558704b6a0, 24 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7404] <... set_robust_list resumed>) = 0 [pid 7403] <... memfd_create resumed>) = 3 [pid 7404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 ./strace-static-x86_64: Process 7406 attached [pid 7405] set_robust_list(0x55558704b6a0, 24 [pid 7404] setpgid(0, 0 [pid 7402] <... write resumed>) = 4 [pid 5832] <... clone resumed>, child_tidptr=0x55558704b690) = 7405 [pid 5827] <... clone resumed>, child_tidptr=0x55558704b690) = 7404 [pid 7406] set_robust_list(0x55558704b6a0, 24 [pid 7405] <... set_robust_list resumed>) = 0 [pid 7402] close(3executing program [pid 7406] <... set_robust_list resumed>) = 0 [pid 7405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7402] <... close resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558704b690) = 7406 [pid 7405] <... prctl resumed>) = 0 [pid 7402] write(1, "executing program\n", 18 [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7405] setpgid(0, 0 [pid 7404] <... setpgid resumed>) = 0 [pid 7402] <... write resumed>) = 18 [pid 7406] <... prctl resumed>) = 0 [pid 7405] <... setpgid resumed>) = 0 [pid 7404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7402] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] setpgid(0, 0 [pid 7405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7402] <... futex resumed>) = 0 [pid 7406] <... setpgid resumed>) = 0 [pid 7404] <... openat resumed>) = 3 [pid 7402] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7405] <... openat resumed>) = 3 [pid 7404] write(3, "1000", 4 [pid 7403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7406] <... openat resumed>) = 3 [pid 7405] write(3, "1000", 4 [pid 7402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7406] write(3, "1000", 4 [pid 7405] <... write resumed>) = 4 [pid 7404] <... write resumed>) = 4 [pid 7403] <... write resumed>) = 1048576 [pid 7405] close(3 [pid 7404] close(3 [pid 7403] munmap(0x7f3940e00000, 138412032 [pid 7402] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7406] <... write resumed>) = 4 [pid 7406] close(3 [pid 7402] <... mprotect resumed>) = 0 [pid 7406] <... close resumed>) = 0 [pid 7405] <... close resumed>) = 0 [pid 7404] <... close resumed>) = 0 [pid 7405] write(1, "executing program\n", 18executing program executing program [pid 7404] write(1, "executing program\n", 18 [pid 7402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7405] <... write resumed>) = 18 [pid 7404] <... write resumed>) = 18 executing program [pid 7406] write(1, "executing program\n", 18 [pid 7405] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... munmap resumed>) = 0 [pid 7402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7406] <... write resumed>) = 18 [pid 7405] <... futex resumed>) = 0 [pid 7404] <... futex resumed>) = 0 [pid 7402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7406] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7405] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7404] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7404] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7407 attached [pid 7406] <... futex resumed>) = 0 [pid 7405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7403] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7407] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7406] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, [pid 7405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7404] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7403] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7407] <... rseq resumed>) = 0 [pid 7406] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7404] <... mmap resumed>) = 0x7f3949327000 [pid 7402] <... clone3 resumed> => {parent_tid=[7407]}, 88) = 7407 [pid 7407] set_robust_list(0x7f39493479a0, 24 [pid 7406] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7405] <... mmap resumed>) = 0x7f3949327000 [pid 7404] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7403] close(3 [pid 7402] rt_sigprocmask(SIG_SETMASK, [], [pid 7407] <... set_robust_list resumed>) = 0 [pid 7406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7405] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7404] <... mprotect resumed>) = 0 [pid 7402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7407] rt_sigprocmask(SIG_SETMASK, [], [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7405] <... mprotect resumed>) = 0 [pid 7405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7404] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7404] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7404] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0}./strace-static-x86_64: Process 7409 attached [pid 7405] <... clone3 resumed> => {parent_tid=[7408]}, 88) = 7408 [pid 7404] <... clone3 resumed> => {parent_tid=[7409]}, 88) = 7409 [pid 7409] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7405] rt_sigprocmask(SIG_SETMASK, [], [pid 7404] rt_sigprocmask(SIG_SETMASK, [], [pid 7403] <... close resumed>) = 0 [pid 7409] <... rseq resumed>) = 0 [pid 7405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7404] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7404] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7405] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] set_robust_list(0x7f39493479a0, 24 [pid 7405] <... futex resumed>) = 0 [pid 7409] <... set_robust_list resumed>) = 0 [pid 7405] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7409] memfd_create("syzkaller", 0) = 3 [pid 7409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3940e00000 [pid 7403] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7408 attached [pid 7409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7406] <... mmap resumed>) = 0x7f3949327000 [pid 7402] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... write resumed>) = 1048576 [pid 7403] <... futex resumed>) = 1 [pid 7401] <... futex resumed>) = 0 [pid 7401] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7403] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7401] <... futex resumed>) = 0 [pid 7403] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7401] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... mmap resumed>) = 0x200000000000 [pid 7401] <... futex resumed>) = 0 [pid 7401] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7401] <... futex resumed>) = 0 [pid 7401] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7401] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7401] <... futex resumed>) = ? [pid 7403] +++ killed by SIGBUS +++ [pid 7401] +++ killed by SIGBUS +++ [pid 7409] munmap(0x7f3940e00000, 138412032) = 0 [ 121.584610][ T3936] ------------[ cut here ]------------ [ 121.590443][ T3936] kernel BUG at fs/ext4/inode.c:2748! [ 121.597428][ T3936] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 121.603733][ T3936] CPU: 1 UID: 0 PID: 3936 Comm: kworker/u8:7 Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(full) [ 121.614170][ T3936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 121.624261][ T3936] Workqueue: writeback wb_workfn (flush-7:4) [ 121.630334][ T3936] RIP: 0010:ext4_do_writepages+0x3f2b/0x3f30 [ 121.636328][ T3936] Code: c1 0f 8c 2a fd ff ff 4c 89 e7 e8 90 5a b0 ff e9 1d fd ff ff e8 56 07 4f ff 90 0f 0b e8 4e 07 4f ff 90 0f 0b e8 46 07 4f ff 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 [ 121.655954][ T3936] RSP: 0018:ffffc9000c986c60 EFLAGS: 00010293 [ 121.662033][ T3936] RAX: ffffffff827153fa RBX: 0000004210000000 RCX: ffff8880328d1e00 [ 121.670027][ T3936] RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 [ 121.678011][ T3936] RBP: ffffc9000c987070 R08: ffff8880781a89e7 R09: 1ffff1100f03513c [ 121.685992][ T3936] R10: dffffc0000000000 R11: ffffed100f03513d R12: 0000000000000001 [ 121.693979][ T3936] R13: 0000000024208060 R14: 0000004000000000 R15: ffffc9000c9870c0 [ 121.701966][ T3936] FS: 0000000000000000(0000) GS:ffff888125d85000(0000) knlGS:0000000000000000 [ 121.710909][ T3936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.717504][ T3936] CR2: 00007f3949419600 CR3: 0000000072ab0000 CR4: 00000000003526f0 [ 121.725489][ T3936] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 121.733473][ T3936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 121.741459][ T3936] Call Trace: [ 121.744757][ T3936] [ 121.747703][ T3936] ? folios_put_refs+0x560/0x640 [ 121.752668][ T3936] ? __lock_acquire+0xab9/0xd20 [ 121.757543][ T3936] ? __pfx_ext4_do_writepages+0x10/0x10 [ 121.763109][ T3936] ? look_up_lock_class+0x74/0x170 [ 121.768252][ T3936] ? register_lock_class+0x51/0x320 [ 121.773468][ T3936] ? __lock_acquire+0xab9/0xd20 [ 121.778340][ T3936] ? rcu_read_lock_any_held+0xb3/0x120 [ 121.783823][ T3936] ext4_writepages+0x205/0x350 [ 121.788604][ T3936] ? __pfx_ext4_writepages+0x10/0x10 [ 121.793907][ T3936] ? blkdev_writepages+0x10e/0x170 [ 121.799034][ T3936] ? __lock_acquire+0xab9/0xd20 [ 121.803903][ T3936] ? __pfx_ext4_writepages+0x10/0x10 [ 121.809208][ T3936] do_writepages+0x32b/0x550 [ 121.813825][ T3936] __writeback_single_inode+0x145/0xff0 [ 121.819381][ T3936] ? wbc_attach_and_unlock_inode+0x3f0/0x5d0 [ 121.825383][ T3936] writeback_sb_inodes+0x6b5/0x1000 [ 121.830606][ T3936] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 121.836268][ T3936] ? __pfx___up_read+0x10/0x10 [ 121.841048][ T3936] __writeback_inodes_wb+0x111/0x240 [ 121.846351][ T3936] wb_writeback+0x44f/0xaf0 [ 121.850869][ T3936] ? queue_io+0x351/0x590 [ 121.855212][ T3936] ? __pfx_wb_writeback+0x10/0x10 [ 121.860254][ T3936] wb_workfn+0xaef/0xef0 [ 121.864521][ T3936] ? __pfx_wb_workfn+0x10/0x10 [ 121.869305][ T3936] ? __lock_acquire+0xab9/0xd20 [ 121.874176][ T3936] ? process_scheduled_works+0x9ef/0x17b0 [ 121.879919][ T3936] ? _raw_spin_unlock_irq+0x23/0x50 [ 121.885137][ T3936] ? process_scheduled_works+0x9ef/0x17b0 [ 121.890874][ T3936] ? process_scheduled_works+0x9ef/0x17b0 [ 121.896615][ T3936] process_scheduled_works+0xade/0x17b0 [ 121.902186][ T3936] ? __pfx_process_scheduled_works+0x10/0x10 [ 121.908190][ T3936] worker_thread+0x8a0/0xda0 [ 121.912802][ T3936] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 121.919152][ T3936] ? __kthread_parkme+0x7b/0x200 [ 121.924141][ T3936] kthread+0x70e/0x8a0 [ 121.928225][ T3936] ? __pfx_worker_thread+0x10/0x10 [ 121.933350][ T3936] ? __pfx_kthread+0x10/0x10 [ 121.937954][ T3936] ? _raw_spin_unlock_irq+0x23/0x50 [ 121.943168][ T3936] ? lockdep_hardirqs_on+0x9c/0x150 [ 121.948387][ T3936] ? __pfx_kthread+0x10/0x10 [ 121.952991][ T3936] ret_from_fork+0x3fc/0x770 [ 121.957601][ T3936] ? __pfx_ret_from_fork+0x10/0x10 [ 121.962727][ T3936] ? __switch_to_asm+0x39/0x70 [ 121.967499][ T3936] ? __switch_to_asm+0x33/0x70 [ 121.972276][ T3936] ? __pfx_kthread+0x10/0x10 [ 121.976874][ T3936] ret_from_fork_asm+0x1a/0x30 [ 121.981653][ T3936] [pid 7409] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7408] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7407] memfd_create("syzkaller", 0 [pid 7406] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7402] <... futex resumed>) = 0 [pid 5828] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7401, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 7408] <... rseq resumed>) = 0 [pid 7407] <... memfd_create resumed>) = 3 [pid 7406] <... mprotect resumed>) = 0 [pid 7402] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7408] set_robust_list(0x7f39493479a0, 24 [pid 7407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7406] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7407] <... mmap resumed>) = 0x7f3940e00000 [pid 7406] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7408] <... set_robust_list resumed>) = 0 [pid 5828] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7409] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7406] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7409] close(3 [pid 7408] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] <... clone resumed>, child_tidptr=0x55558704b690) = 7410 ./strace-static-x86_64: Process 7410 attached [pid 7409] <... close resumed>) = 0 [pid 7408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7407] <... write resumed>) = 1048576 [pid 7406] <... clone3 resumed> => {parent_tid=[7411]}, 88) = 7411 [pid 7406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7406] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7406] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7411 attached [pid 7411] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7408] memfd_create("syzkaller", 0) = 3 [pid 7407] munmap(0x7f3940e00000, 138412032 [pid 7409] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] <... munmap resumed>) = 0 [pid 7411] <... rseq resumed>) = 0 [pid 7411] set_robust_list(0x7f39493479a0, 24 [pid 7410] set_robust_list(0x55558704b6a0, 24 [pid 7409] <... futex resumed>) = 1 [pid 7411] <... set_robust_list resumed>) = 0 [pid 7411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7411] memfd_create("syzkaller", 0) = 3 [pid 7411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7407] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7411] <... mmap resumed>) = 0x7f3940e00000 [pid 7408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7407] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7408] <... mmap resumed>) = 0x7f3940e00000 [ 121.984682][ T3936] Modules linked in: [ 121.988989][ T3936] ---[ end trace 0000000000000000 ]--- [ 122.005440][ T3936] RIP: 0010:ext4_do_writepages+0x3f2b/0x3f30 [ 122.012359][ T3936] Code: c1 0f 8c 2a fd ff ff 4c 89 e7 e8 90 5a b0 ff e9 1d fd ff ff e8 56 07 4f ff 90 0f 0b e8 4e 07 4f ff 90 0f 0b e8 46 07 4f ff 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 [pid 7407] close(3) = 0 [pid 7411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7410] <... set_robust_list resumed>) = 0 executing program [pid 7409] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7404] <... futex resumed>) = 0 [pid 7410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7410] setpgid(0, 0) = 0 [pid 7410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7410] write(3, "1000", 4) = 4 [pid 7410] close(3) = 0 [pid 7410] write(1, "executing program\n", 18) = 18 [pid 7410] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7404] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7409] <... futex resumed>) = 0 [pid 7404] <... futex resumed>) = 1 [pid 7410] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE [pid 7409] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7410] <... mprotect resumed>) = 0 [pid 7409] <... openat resumed>) = 3 [pid 7404] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7409] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7409] <... futex resumed>) = 0 [pid 7404] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} [pid 7409] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7404] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7412 attached [pid 7409] <... mmap resumed>) = 0x200000000000 [pid 7404] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7411] <... write resumed>) = 1048576 [pid 7410] <... clone3 resumed> => {parent_tid=[7412]}, 88) = 7412 [pid 7409] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] <... rseq resumed>) = 0 [pid 7410] rt_sigprocmask(SIG_SETMASK, [], [pid 7409] <... futex resumed>) = 0 [pid 7407] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7412] set_robust_list(0x7f39493479a0, 24 [pid 7410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7409] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [pid 7404] <... futex resumed>) = 0 [pid 7412] <... set_robust_list resumed>) = 0 [pid 7410] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7412] rt_sigprocmask(SIG_SETMASK, [], [pid 7410] <... futex resumed>) = 0 [pid 7409] +++ killed by SIGBUS +++ [pid 7404] +++ killed by SIGBUS +++ [pid 7412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7410] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7412] memfd_create("syzkaller", 0 [pid 7411] munmap(0x7f3940e00000, 138412032 [pid 7408] <... write resumed>) = 1048576 [pid 7407] <... futex resumed>) = 1 [pid 7402] <... futex resumed>) = 0 [pid 5827] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7404, si_uid=0, si_status=SIGBUS, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 7412] <... memfd_create resumed>) = 3 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7413 attached , child_tidptr=0x55558704b690) = 7413 [pid 7407] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000 [pid 7402] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] set_robust_list(0x55558704b6a0, 24 [pid 7412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7402] <... futex resumed>) = 0 [pid 7413] <... set_robust_list resumed>) = 0 [pid 7412] <... mmap resumed>) = 0x7f3940e00000 [pid 7411] <... munmap resumed>) = 0 [pid 7402] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7411] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7407] <... openat resumed>) = 3 [pid 7413] <... prctl resumed>) = 0 [pid 7413] setpgid(0, 0) = 0 [pid 7413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 7411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7407] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] write(3, "1000", 4) = 4 [pid 7413] close(3) = 0 [pid 7413] write(1, "executing program\n", 18) = 18 [pid 7413] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 122.032756][ T3936] RSP: 0018:ffffc9000c986c60 EFLAGS: 00010293 [ 122.039077][ T3936] RAX: ffffffff827153fa RBX: 0000004210000000 RCX: ffff8880328d1e00 [ 122.055927][ T3936] RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 [ 122.065162][ T3936] RBP: ffffc9000c987070 R08: ffff8880781a89e7 R09: 1ffff1100f03513c [ 122.074976][ T3936] R10: dffffc0000000000 R11: ffffed100f03513d R12: 0000000000000001 [pid 7413] rt_sigaction(SIGRT_1, {sa_handler=0x7f39493b84e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f39493a9b90}, NULL, 8) = 0 [pid 7413] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3949327000 [pid 7413] mprotect(0x7f3949328000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7413] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7413] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3949347990, parent_tid=0x7f3949347990, exit_signal=0, stack=0x7f3949327000, stack_size=0x20300, tls=0x7f39493476c0} => {parent_tid=[7414]}, 88) = 7414 [pid 7413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7413] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7408] munmap(0x7f3940e00000, 138412032 [pid 7413] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7414 attached [pid 7413] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 7411] close(3 [pid 7407] <... futex resumed>) = 1 [pid 7402] <... futex resumed>) = 0 [pid 7412] <... write resumed>) = 1048576 [pid 7408] <... munmap resumed>) = 0 [pid 7414] rseq(0x7f3949347fe0, 0x20, 0, 0x53053053 [pid 7412] munmap(0x7f3940e00000, 138412032 [pid 7411] <... close resumed>) = 0 [pid 7408] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7407] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7402] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... rseq resumed>) = 0 [pid 7412] <... munmap resumed>) = 0 [pid 7411] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7408] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7408] close(3 [pid 7414] set_robust_list(0x7f39493479a0, 24 [pid 7408] <... close resumed>) = 0 [pid 7407] <... mmap resumed>) = 0x200000000000 [pid 7402] <... futex resumed>) = 0 [pid 7414] <... set_robust_list resumed>) = 0 [pid 7411] <... futex resumed>) = 1 [pid 7412] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7414] rt_sigprocmask(SIG_SETMASK, [], [pid 7412] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 7414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7412] close(3 [pid 7411] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7414] memfd_create("syzkaller", 0) = 3 [pid 7408] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 [pid 7402] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7408] <... futex resumed>) = 1 [pid 7414] <... mmap resumed>) = 0x7f3940e00000 [pid 7408] futex(0x7f3949419608, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] <... close resumed>) = 0 [pid 7407] <... futex resumed>) = 0 [pid 7406] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000 [pid 7405] <... futex resumed>) = 0 [pid 7402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 122.083648][ T3936] R13: 0000000024208060 R14: 0000004000000000 R15: ffffc9000c9870c0 [ 122.093228][ T3936] FS: 0000000000000000(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000 [ 122.102491][ T3936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.109178][ T3936] CR2: 00007f3940eff000 CR3: 0000000030134000 CR4: 00000000003526f0 [ 122.118824][ T3936] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 122.127751][ T3936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [pid 7412] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7412] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 3 [pid 7412] futex(0x7f394941960c, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7412] mmap(0x200000000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_NONBLOCK|MAP_LOCKED|1< [pid 7410] <... futex resumed>) = 0 [pid 7410] futex(0x7f3949419608, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7410] futex(0x7f394941960c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7412] <... futex resumed>) = 1 [pid 7412] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x2000000001c0} --- [ 122.136489][ T3936] Kernel panic - not syncing: Fatal exception [ 122.142909][ T3936] Kernel Offset: disabled [ 122.147242][ T3936] Rebooting in 86400 seconds..