./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3628546379 <...> Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. execve("./syz-executor3628546379", ["./syz-executor3628546379"], 0x7ffc9ef6b740 /* 10 vars */) = 0 brk(NULL) = 0x55558ccb8000 brk(0x55558ccb8d40) = 0x55558ccb8d40 arch_prctl(ARCH_SET_FS, 0x55558ccb83c0) = 0 set_tid_address(0x55558ccb8690) = 5829 set_robust_list(0x55558ccb86a0, 24) = 0 rseq(0x55558ccb8ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3628546379", 4096) = 28 getrandom("\xd0\xfd\x87\x22\x1e\x73\xcf\x66", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558ccb8d40 brk(0x55558ccd9d40) = 0x55558ccd9d40 brk(0x55558ccda000) = 0x55558ccda000 mprotect(0x7fad643ed000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.k0HUx2", 0700) = 0 chmod("./syzkaller.k0HUx2", 0777) = 0 chdir("./syzkaller.k0HUx2") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached [pid 5830] set_robust_list(0x55558ccb86a0, 24) = 0 [pid 5830] chdir("./0") = 0 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5830 [pid 5830] setpgid(0, 0) = 0 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5830] write(3, "1000", 4) = 4 [pid 5830] close(3) = 0 [pid 5830] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5830] write(1, "executing program\n", 18executing program ) = 18 [pid 5830] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5830] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5832 attached [pid 5832] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5832] set_robust_list(0x7fad642de9a0, 24) = 0 [pid 5832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5832] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... clone3 resumed> => {parent_tid=[5832]}, 88) = 5832 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5830] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5832] memfd_create("syzkaller", 0 [pid 5830] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5832] <... memfd_create resumed>) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5832] munmap(0x7fad5be00000, 138412032) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5832] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5832] close(3) = 0 [pid 5832] close(4) = 0 [pid 5832] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5832] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5832] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5832] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5832] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY) = 4 [pid 5830] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5832] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5832] preadv(4, [ 90.895744][ T5832] loop0: detected capacity change from 0 to 2048 [ 90.928343][ T5832] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5830] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5830] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5830] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5833 attached [pid 5833] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053) = 0 [pid 5833] set_robust_list(0x7fad642bd9a0, 24) = 0 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], [pid 5830] <... clone3 resumed> => {parent_tid=[5833]}, 88) = 5833 [pid 5833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5833] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... open resumed>) = 5 [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5833] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 6 [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] memfd_create("syzkaller", 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] <... memfd_create resumed>) = 7 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5833] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5833] munmap(0x7fad5be00000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] close(7) = 0 [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5833] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... futex resumed>) = 1 [pid 5833] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC) = -1 EFAULT (Bad address) [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] getdents64(-1, [pid 5830] <... futex resumed>) = 0 [pid 5833] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] ftruncate(6, 33587202 [pid 5830] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] <... ftruncate resumed>) = 0 [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5833] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5833] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5830] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5830] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5834 attached [pid 5834] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053 [pid 5830] <... clone3 resumed> => {parent_tid=[5834]}, 88) = 5834 [pid 5834] <... rseq resumed>) = 0 [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] set_robust_list(0x7fad6429c9a0, 24) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5830] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5834] memfd_create("syzkaller", 0) = 7 [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5834] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5834] munmap(0x7fad5be00000, 138412032) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5834] close(7) = 0 [pid 5834] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = 1 [pid 5834] read(5, [pid 5830] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5834] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5833] <... mmap resumed>) = 0x200000000000 [pid 5834] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 0 [pid 5834] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... futex resumed>) = 0 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] memfd_create("syzkaller", 0) = 7 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5833] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5833] munmap(0x7fad5be00000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] close(7) = 0 [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5833] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5830] <... futex resumed>) = 0 [pid 5833] memfd_create("syzkaller", 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5833] <... memfd_create resumed>) = 7 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5833] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5833] munmap(0x7fad5be00000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] close(7) = 0 [pid 5833] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5833] mkdir(0x200000000880, 0777 [pid 5830] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5833] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5834] <... futex resumed>) = ? [pid 5832] <... preadv resumed> ) = ? [pid 5834] +++ killed by SIGSEGV +++ [pid 5832] +++ killed by SIGSEGV +++ [pid 5830] <... futex resumed>) = ? [pid 5833] +++ killed by SIGSEGV +++ [pid 5830] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5830, si_uid=0, si_status=SIGSEGV, si_utime=2 /* 0.02 s */, si_stime=73 /* 0.73 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 91.785987][ T59] cfg80211: failed to load regulatory.db close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached [pid 5835] set_robust_list(0x55558ccb86a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5835] chdir("./1") = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] setpgid(0, 0) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1000", 4) = 4 [pid 5835] close(3) = 0 [pid 5835] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5835] write(1, "executing program\n", 18) = 18 [pid 5835] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5835] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5835] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5835] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5835] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5836 attached [pid 5836] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5835] <... clone3 resumed> => {parent_tid=[5836]}, 88) = 5836 [pid 5836] set_robust_list(0x7fad642de9a0, 24) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] memfd_create("syzkaller", 0 [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] <... memfd_create resumed>) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5836] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5836] munmap(0x7fad5be00000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5836] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5836] close(3) = 0 [pid 5836] close(4) = 0 [pid 5836] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5836] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5836] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5836] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5836] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5836] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5836] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... openat resumed>) = 4 [pid 5836] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5836] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 0 [pid 5836] preadv(4, [ 92.050437][ T5836] loop0: detected capacity change from 0 to 2048 [ 92.085097][ T5836] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5835] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5835] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5835] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5835] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5837 attached [pid 5837] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053) = 0 [pid 5837] set_robust_list(0x7fad642bd9a0, 24 [pid 5835] <... clone3 resumed> => {parent_tid=[5837]}, 88) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5837] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... open resumed>) = 5 [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5837] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... open resumed>) = 6 [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5837] memfd_create("syzkaller", 0 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... memfd_create resumed>) = 7 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5837] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5837] munmap(0x7fad5be00000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] close(7) = 0 [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5837] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5837] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5837] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 0 [pid 5837] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5837] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] getdents64(-1, 0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] ftruncate(6, 33587202 [pid 5835] <... futex resumed>) = 0 [pid 5837] <... ftruncate resumed>) = 0 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5835] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5835] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5835] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5835] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5838 attached => {parent_tid=[5838]}, 88) = 5838 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053) = 0 [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] set_robust_list(0x7fad6429c9a0, 24) = 0 [pid 5835] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5838] memfd_create("syzkaller", 0) = 7 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5838] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5838] munmap(0x7fad5be00000, 138412032) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] close(7) = 0 [pid 5838] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 0 [pid 5838] read(5, [pid 5835] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5838] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5838] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 0 [pid 5835] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... mmap resumed>) = 0x200000000000 [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5837] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] memfd_create("syzkaller", 0) = 7 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5838] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5838] munmap(0x7fad5be00000, 138412032) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] close(7) = 0 [pid 5838] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5838] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] <... futex resumed>) = 0 [pid 5837] memfd_create("syzkaller", 0) = 7 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5837] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5837] munmap(0x7fad5be00000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] close(7) = 0 [pid 5837] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5837] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5835] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5835] <... futex resumed>) = 0 [pid 5837] mkdir(0x200000000880, 0777 [pid 5835] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... mkdir resumed>) = 0 [pid 5837] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5838] <... futex resumed>) = ? [pid 5836] <... preadv resumed> ) = ? [pid 5835] <... futex resumed>) = ? [pid 5838] +++ killed by SIGSEGV +++ [pid 5837] +++ killed by SIGSEGV +++ [pid 5836] +++ killed by SIGSEGV +++ [pid 5835] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5835, si_uid=0, si_status=SIGSEGV, si_utime=1 /* 0.01 s */, si_stime=67 /* 0.67 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./1/binderfs") = 0 umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached , child_tidptr=0x55558ccb8690) = 5839 [pid 5839] set_robust_list(0x55558ccb86a0, 24) = 0 [pid 5839] chdir("./2") = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] setpgid(0, 0) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5839] close(3) = 0 [pid 5839] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5839] write(1, "executing program\n", 18) = 18 [pid 5839] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5839] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5840 attached [pid 5840] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5840] set_robust_list(0x7fad642de9a0, 24) = 0 [pid 5839] <... clone3 resumed> => {parent_tid=[5840]}, 88) = 5840 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5840] munmap(0x7fad5be00000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5840] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5840] close(3) = 0 [pid 5840] close(4) = 0 [pid 5840] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5840] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5840] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5840] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 93.294865][ T5840] loop0: detected capacity change from 0 to 2048 [pid 5840] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5840] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5839] <... futex resumed>) = 0 [pid 5840] <... openat resumed>) = 4 [pid 5839] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5840] preadv(4, [pid 5839] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 93.351299][ T5840] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5839] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5839] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5839] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5841 attached [pid 5841] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053 [pid 5839] <... clone3 resumed> => {parent_tid=[5841]}, 88) = 5841 [pid 5841] <... rseq resumed>) = 0 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] set_robust_list(0x7fad642bd9a0, 24 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5841] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... open resumed>) = 5 [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5839] <... futex resumed>) = 0 [pid 5841] <... open resumed>) = 6 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... futex resumed>) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5841] memfd_create("syzkaller", 0 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] <... memfd_create resumed>) = 7 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5841] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5841] munmap(0x7fad5be00000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(7) = 0 [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5839] <... futex resumed>) = 0 [pid 5841] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5841] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC) = -1 EFAULT (Bad address) [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = 0 [pid 5841] <... futex resumed>) = 1 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] getdents64(-1, [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] ftruncate(6, 33587202 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... ftruncate resumed>) = 0 [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5839] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5839] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5839] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5842 attached => {parent_tid=[5842]}, 88) = 5842 [pid 5842] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053) = 0 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] set_robust_list(0x7fad6429c9a0, 24 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5842] memfd_create("syzkaller", 0) = 7 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5842] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5842] munmap(0x7fad5be00000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] close(7) = 0 [pid 5842] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5842] read(5, [pid 5839] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5841] <... mmap resumed>) = 0x200000000000 [pid 5842] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = 1 [pid 5841] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] memfd_create("syzkaller", 0) = 7 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5841] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5841] munmap(0x7fad5be00000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(7) = 0 [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] memfd_create("syzkaller", 0) = 7 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5841] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5841] munmap(0x7fad5be00000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(7) = 0 [pid 5841] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5839] <... futex resumed>) = 0 [pid 5841] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] <... futex resumed>) = 0 [pid 5839] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] mkdir(0x200000000880, 0777) = 0 [pid 5841] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5842] <... futex resumed>) = ? [pid 5840] <... preadv resumed> ) = ? [pid 5839] <... futex resumed>) = ? [pid 5842] +++ killed by SIGSEGV +++ [pid 5840] +++ killed by SIGSEGV +++ [pid 5841] +++ killed by SIGSEGV +++ [pid 5839] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5839, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./2/binderfs") = 0 umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached [pid 5843] set_robust_list(0x55558ccb86a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5843 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5843] chdir("./3") = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] setpgid(0, 0) = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1000", 4) = 4 [pid 5843] close(3) = 0 [pid 5843] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5843] write(1, "executing program\n", 18) = 18 [pid 5843] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5843] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5844 attached [pid 5844] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5843] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5844] set_robust_list(0x7fad642de9a0, 24 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5844] munmap(0x7fad5be00000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5844] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5844] close(3) = 0 [pid 5844] close(4) = 0 [pid 5844] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5844] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5844] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5844] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5844] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5843] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... openat resumed>) = 4 [pid 5844] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5844] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 5844] preadv(4, [ 94.546269][ T5844] loop0: detected capacity change from 0 to 2048 [pid 5843] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5843] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5843] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5845 attached => {parent_tid=[5845]}, 88) = 5845 [pid 5845] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] <... rseq resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] set_robust_list(0x7fad642bd9a0, 24 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5843] <... futex resumed>) = 0 [ 94.596080][ T5844] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 6 [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] memfd_create("syzkaller", 0 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5845] <... memfd_create resumed>) = 7 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5845] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5845] munmap(0x7fad5be00000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(7) = 0 [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5845] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5845] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5845] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5845] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 5845] getdents64(-1, [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] ftruncate(6, 33587202 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... ftruncate resumed>) = 0 [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5843] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5843] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5846 attached [pid 5846] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053 [pid 5843] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5846] <... rseq resumed>) = 0 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] set_robust_list(0x7fad6429c9a0, 24 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5843] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] <... futex resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5846] memfd_create("syzkaller", 0) = 7 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5846] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5846] munmap(0x7fad5be00000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] close(7) = 0 [pid 5846] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5846] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 5846] read(5, [pid 5843] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5846] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5846] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5846] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5845] <... mmap resumed>) = 0x200000000000 [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5845] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] memfd_create("syzkaller", 0) = 7 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5846] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5846] munmap(0x7fad5be00000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] close(7) = 0 [pid 5846] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 1 [pid 5845] memfd_create("syzkaller", 0 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5845] <... memfd_create resumed>) = 7 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5845] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5845] munmap(0x7fad5be00000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(7) = 0 [pid 5845] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5845] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 1 [pid 5845] mkdir(0x200000000880, 0777 [pid 5843] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... mkdir resumed>) = 0 [pid 5845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5846] <... futex resumed>) = ? [pid 5844] <... preadv resumed> ) = ? [pid 5843] <... futex resumed>) = ? [pid 5846] +++ killed by SIGSEGV +++ [pid 5844] +++ killed by SIGSEGV +++ [pid 5845] +++ killed by SIGSEGV +++ [pid 5843] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5843, si_uid=0, si_status=SIGSEGV, si_utime=1 /* 0.01 s */, si_stime=60 /* 0.60 s */} --- umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./3/binderfs") = 0 umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached [pid 5847] set_robust_list(0x55558ccb86a0, 24) = 0 [pid 5847] chdir("./4" [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5847 [pid 5847] <... chdir resumed>) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] setpgid(0, 0) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1000", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5847] write(1, "executing program\n", 18) = 18 [pid 5847] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5847] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5848 attached [pid 5848] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5848] set_robust_list(0x7fad642de9a0, 24) = 0 [pid 5847] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] memfd_create("syzkaller", 0 [pid 5847] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5848] <... memfd_create resumed>) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5848] munmap(0x7fad5be00000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5848] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5848] close(3) = 0 [pid 5848] close(4) = 0 [pid 5848] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5848] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5848] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [ 95.640121][ T5848] loop0: detected capacity change from 0 to 2048 [pid 5848] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... openat resumed>) = 4 [pid 5848] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = 0 [pid 5848] <... futex resumed>) = 1 [pid 5847] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] preadv(4, [pid 5847] <... futex resumed>) = 0 [ 95.681506][ T5848] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5847] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5847] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5847] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5849 attached [pid 5849] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053) = 0 [pid 5847] <... clone3 resumed> => {parent_tid=[5849]}, 88) = 5849 [pid 5849] set_robust_list(0x7fad642bd9a0, 24) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... open resumed>) = 5 [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 6 [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5849] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5849] memfd_create("syzkaller", 0) = 7 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5849] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5849] munmap(0x7fad5be00000, 138412032) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] close(7) = 0 [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5847] <... futex resumed>) = 0 [pid 5849] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5849] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... futex resumed>) = 0 [pid 5849] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5849] getdents64(-1, [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5849] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5849] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] ftruncate(6, 33587202 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... ftruncate resumed>) = 0 [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5847] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5847] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5847] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0} => {parent_tid=[5850]}, 88) = 5850 ./strace-static-x86_64: Process 5850 attached [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053) = 0 [pid 5850] set_robust_list(0x7fad6429c9a0, 24 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5847] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5850] memfd_create("syzkaller", 0) = 7 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5850] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5850] munmap(0x7fad5be00000, 138412032) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] close(7) = 0 [pid 5850] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] read(5, [pid 5847] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5850] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5850] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5850] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5850] memfd_create("syzkaller", 0) = 7 [pid 5849] <... mmap resumed>) = 0x200000000000 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5849] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5850] munmap(0x7fad5be00000, 138412032) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] close(7) = 0 [pid 5850] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5850] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5849] <... futex resumed>) = 0 [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5849] memfd_create("syzkaller", 0) = 7 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5849] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5849] munmap(0x7fad5be00000, 138412032) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] close(7) = 0 [pid 5849] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5847] <... futex resumed>) = 0 [pid 5849] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] <... futex resumed>) = 0 [pid 5849] mkdir(0x200000000880, 0777 [pid 5847] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... mkdir resumed>) = 0 [pid 5849] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5850] <... futex resumed>) = ? [pid 5848] <... preadv resumed> ) = ? [pid 5850] +++ killed by SIGSEGV +++ [pid 5849] +++ killed by SIGSEGV +++ [pid 5848] +++ killed by SIGSEGV +++ [pid 5847] <... futex resumed>) = ? [pid 5847] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5847, si_uid=0, si_status=SIGSEGV, si_utime=2 /* 0.02 s */, si_stime=64 /* 0.64 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./4/binderfs") = 0 umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5851 attached [pid 5851] set_robust_list(0x55558ccb86a0, 24) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5851 [pid 5851] chdir("./5") = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] setpgid(0, 0) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5851] write(3, "1000", 4) = 4 [pid 5851] close(3) = 0 [pid 5851] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5851] write(1, "executing program\n", 18executing program ) = 18 [pid 5851] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5851] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5851] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5852 attached [pid 5852] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5851] <... clone3 resumed> => {parent_tid=[5852]}, 88) = 5852 [pid 5852] set_robust_list(0x7fad642de9a0, 24 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] <... set_robust_list resumed>) = 0 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5852] memfd_create("syzkaller", 0 [pid 5851] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5852] <... memfd_create resumed>) = 3 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5852] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5852] munmap(0x7fad5be00000, 138412032) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5852] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5852] close(3) = 0 [pid 5852] close(4) = 0 [pid 5852] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5852] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [ 96.867304][ T5852] loop0: detected capacity change from 0 to 2048 [pid 5852] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5852] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5852] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5851] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... openat resumed>) = 4 [pid 5852] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5852] preadv(4, [pid 5851] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 96.913303][ T5852] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5851] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5851] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5851] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5853 attached [pid 5853] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053 [pid 5851] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853 [pid 5853] <... rseq resumed>) = 0 [pid 5853] set_robust_list(0x7fad642bd9a0, 24 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] <... set_robust_list resumed>) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... open resumed>) = 5 [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5853] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... open resumed>) = 6 [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5853] memfd_create("syzkaller", 0) = 7 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5853] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5853] munmap(0x7fad5be00000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(7) = 0 [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5853] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5853] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC [pid 5851] <... futex resumed>) = 0 [pid 5853] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5853] getdents64(-1, [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5851] <... futex resumed>) = 0 [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] ftruncate(6, 33587202 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... ftruncate resumed>) = 0 [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5853] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] <... futex resumed>) = 0 [pid 5853] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5851] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5851] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5854 attached [pid 5854] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053 [pid 5851] <... clone3 resumed> => {parent_tid=[5854]}, 88) = 5854 [pid 5854] <... rseq resumed>) = 0 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] set_robust_list(0x7fad6429c9a0, 24 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5851] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] <... futex resumed>) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5854] memfd_create("syzkaller", 0) = 7 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5854] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5854] munmap(0x7fad5be00000, 138412032) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] close(7) = 0 [pid 5854] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5851] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] read(5, 0x200000001f80, 8224) = 8224 [pid 5854] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5854] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] <... mmap resumed>) = 0x200000000000 [pid 5851] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5851] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5853] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] memfd_create("syzkaller", 0) = 7 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5854] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5854] munmap(0x7fad5be00000, 138412032) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] close(7) = 0 [pid 5854] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 1 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5853] memfd_create("syzkaller", 0 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5853] <... memfd_create resumed>) = 7 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5853] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5853] munmap(0x7fad5be00000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(7) = 0 [pid 5853] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5853] mkdir(0x200000000880, 0777 [pid 5851] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... mkdir resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5851] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5854] <... futex resumed>) = ? [pid 5851] <... futex resumed>) = ? [pid 5854] +++ killed by SIGSEGV +++ [pid 5853] +++ killed by SIGSEGV +++ [pid 5852] <... preadv resumed> ) = ? [pid 5852] +++ killed by SIGSEGV +++ [pid 5851] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5851, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=59 /* 0.59 s */} --- umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./5/binderfs") = 0 umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached , child_tidptr=0x55558ccb8690) = 5855 [pid 5855] set_robust_list(0x55558ccb86a0, 24) = 0 [pid 5855] chdir("./6") = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5855] write(3, "1000", 4) = 4 [pid 5855] close(3) = 0 [pid 5855] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5855] write(1, "executing program\n", 18) = 18 [pid 5855] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5855] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5856 attached [pid 5856] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5856] set_robust_list(0x7fad642de9a0, 24 [pid 5855] <... clone3 resumed> => {parent_tid=[5856]}, 88) = 5856 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] memfd_create("syzkaller", 0) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5856] munmap(0x7fad5be00000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5856] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5856] close(3) = 0 [pid 5856] close(4) = 0 [pid 5856] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5856] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5856] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [ 98.044440][ T5856] loop0: detected capacity change from 0 to 2048 [pid 5856] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5855] <... futex resumed>) = 0 [pid 5856] <... openat resumed>) = 4 [pid 5855] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5856] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] preadv(4, [pid 5855] <... futex resumed>) = 0 [ 98.089920][ T5856] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5855] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5855] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5855] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5857 attached [pid 5857] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053) = 0 [pid 5857] set_robust_list(0x7fad642bd9a0, 24 [pid 5855] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5857] <... set_robust_list resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... open resumed>) = 5 [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 1 [pid 5857] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... open resumed>) = 6 [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 1 [pid 5857] memfd_create("syzkaller", 0 [pid 5855] <... futex resumed>) = 0 [pid 5857] <... memfd_create resumed>) = 7 [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5857] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5857] munmap(0x7fad5be00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] close(7) = 0 [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5855] <... futex resumed>) = 0 [pid 5857] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 0 [pid 5857] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC [pid 5855] <... futex resumed>) = 1 [pid 5857] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... futex resumed>) = 0 [pid 5857] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] getdents64(-1, [pid 5855] <... futex resumed>) = 0 [pid 5857] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] ftruncate(6, 33587202 [pid 5855] <... futex resumed>) = 0 [pid 5857] <... ftruncate resumed>) = 0 [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5857] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5855] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5855] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5858 attached [pid 5858] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053 [pid 5855] <... clone3 resumed> => {parent_tid=[5858]}, 88) = 5858 [pid 5858] <... rseq resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] set_robust_list(0x7fad6429c9a0, 24 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5855] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... futex resumed>) = 0 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5858] memfd_create("syzkaller", 0) = 7 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5858] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5858] munmap(0x7fad5be00000, 138412032) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5858] close(7) = 0 [pid 5858] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5858] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5857] <... mmap resumed>) = 0x200000000000 [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] read(5, [pid 5857] <... futex resumed>) = 0 [pid 5857] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5858] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = 1 [pid 5858] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] memfd_create("syzkaller", 0) = 7 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5857] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5857] munmap(0x7fad5be00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] close(7) = 0 [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] memfd_create("syzkaller", 0) = 7 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5857] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5857] munmap(0x7fad5be00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] close(7) = 0 [pid 5857] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5857] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5857] mkdir(0x200000000880, 0777 [pid 5855] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... mkdir resumed>) = 0 [pid 5857] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5858] <... futex resumed>) = ? [pid 5855] <... futex resumed>) = ? [pid 5858] +++ killed by SIGSEGV +++ [pid 5857] +++ killed by SIGSEGV +++ [pid 5856] <... preadv resumed> ) = ? [pid 5856] +++ killed by SIGSEGV +++ [pid 5855] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5855, si_uid=0, si_status=SIGSEGV, si_utime=2 /* 0.02 s */, si_stime=64 /* 0.64 s */} --- umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./6/binderfs") = 0 umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached [pid 5859] set_robust_list(0x55558ccb86a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5859 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5859] chdir("./7") = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5859] setpgid(0, 0) = 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1000", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5859] write(1, "executing program\n", 18) = 18 [pid 5859] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5859] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5860 attached [pid 5860] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5860] set_robust_list(0x7fad642de9a0, 24 [pid 5859] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] memfd_create("syzkaller", 0 [pid 5859] <... futex resumed>) = 0 [pid 5860] <... memfd_create resumed>) = 3 [pid 5859] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5860] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5860] munmap(0x7fad5be00000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5860] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5860] close(3) = 0 [pid 5860] close(4) = 0 [pid 5860] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5860] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5860] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5860] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5860] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5859] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... openat resumed>) = 4 [ 99.148540][ T5860] loop0: detected capacity change from 0 to 2048 [pid 5860] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5860] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5860] preadv(4, [pid 5859] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5859] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 99.194604][ T5860] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5859] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5861 attached => {parent_tid=[5861]}, 88) = 5861 [pid 5861] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] <... rseq resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] set_robust_list(0x7fad642bd9a0, 24 [pid 5859] <... futex resumed>) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5861] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 6 [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5861] <... futex resumed>) = 1 [pid 5861] memfd_create("syzkaller", 0) = 7 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5861] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5861] munmap(0x7fad5be00000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] close(7) = 0 [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... futex resumed>) = 1 [pid 5861] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9) = -1 ENOENT (No such file or directory) [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] getdents64(-1, [pid 5859] <... futex resumed>) = 0 [pid 5861] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5861] ftruncate(6, 33587202 [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... ftruncate resumed>) = 0 [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5859] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5859] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5862 attached => {parent_tid=[5862]}, 88) = 5862 [pid 5862] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5862] <... rseq resumed>) = 0 [pid 5862] set_robust_list(0x7fad6429c9a0, 24) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5862] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5859] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5862] memfd_create("syzkaller", 0) = 7 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5862] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5862] munmap(0x7fad5be00000, 138412032) = 0 [pid 5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5862] close(7) = 0 [pid 5862] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] read(5, [pid 5859] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5862] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5861] <... mmap resumed>) = 0x200000000000 [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] memfd_create("syzkaller", 0) = 7 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5862] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5862] munmap(0x7fad5be00000, 138412032) = 0 [pid 5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5862] close(7) = 0 [pid 5862] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5862] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5861] <... futex resumed>) = 0 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5861] memfd_create("syzkaller", 0) = 7 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5861] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5861] munmap(0x7fad5be00000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] close(7) = 0 [pid 5861] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5861] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5861] mkdir(0x200000000880, 0777 [pid 5859] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... mkdir resumed>) = 0 [pid 5861] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5862] <... futex resumed>) = ? [pid 5862] +++ killed by SIGSEGV +++ [pid 5861] +++ killed by SIGSEGV +++ [pid 5860] <... preadv resumed> ) = ? [pid 5859] <... futex resumed>) = ? [pid 5860] +++ killed by SIGSEGV +++ [pid 5859] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5859, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=66 /* 0.66 s */} --- umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./7/binderfs") = 0 umount2("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./7") = 0 mkdir("./8", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached [pid 5863] set_robust_list(0x55558ccb86a0, 24) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5863 [pid 5863] chdir("./8") = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] setpgid(0, 0) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5863] write(3, "1000", 4) = 4 [pid 5863] close(3) = 0 [pid 5863] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5863] write(1, "executing program\n", 18) = 18 [pid 5863] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5863] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5864 attached => {parent_tid=[5864]}, 88) = 5864 [pid 5864] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] set_robust_list(0x7fad642de9a0, 24 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... futex resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] memfd_create("syzkaller", 0) = 3 [pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5864] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5864] munmap(0x7fad5be00000, 138412032) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5864] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5864] close(3) = 0 [pid 5864] close(4) = 0 [pid 5864] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5864] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5864] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5864] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5864] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5864] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 1 [ 100.304627][ T5864] loop0: detected capacity change from 0 to 2048 [pid 5863] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY) = 4 [pid 5864] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5864] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... futex resumed>) = 0 [pid 5864] preadv(4, [ 100.349389][ T5864] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5863] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5863] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5863] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5865 attached [pid 5865] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053 [pid 5863] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 [pid 5865] <... rseq resumed>) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] set_robust_list(0x7fad642bd9a0, 24 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... futex resumed>) = 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5865] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... open resumed>) = 6 [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5865] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] memfd_create("syzkaller", 0) = 7 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5865] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5865] munmap(0x7fad5be00000, 138412032) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] close(7) = 0 [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5865] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9) = -1 ENOENT (No such file or directory) [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5865] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] getdents64(-1, 0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] ftruncate(6, 33587202) = 0 [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5865] <... futex resumed>) = 1 [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5863] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5863] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5866 attached => {parent_tid=[5866]}, 88) = 5866 [pid 5866] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... rseq resumed>) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] set_robust_list(0x7fad6429c9a0, 24 [pid 5863] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] memfd_create("syzkaller", 0) = 7 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5866] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5866] munmap(0x7fad5be00000, 138412032) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] close(7) = 0 [pid 5866] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] read(5, [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5866] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5866] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] memfd_create("syzkaller", 0) = 7 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5866] write(7, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5865] <... mmap resumed>) = 0x200000000000 [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] munmap(0x7fad5be00000, 138412032 [pid 5865] <... futex resumed>) = 0 [pid 5865] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... munmap resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] close(7) = 0 [pid 5866] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 0 [pid 5865] memfd_create("syzkaller", 0 [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] <... memfd_create resumed>) = 7 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5865] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5865] munmap(0x7fad5be00000, 138412032) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] close(7) = 0 [pid 5865] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5863] <... futex resumed>) = 0 [pid 5865] mkdir(0x200000000880, 0777 [pid 5863] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mkdir resumed>) = 0 [pid 5863] <... futex resumed>) = 0 [pid 5865] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5863] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... futex resumed>) = ? [pid 5866] +++ killed by SIGSEGV +++ [pid 5864] <... preadv resumed> ) = ? [pid 5863] <... futex resumed>) = ? [pid 5864] +++ killed by SIGSEGV +++ [pid 5865] +++ killed by SIGSEGV +++ [pid 5863] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5863, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=68 /* 0.68 s */} --- umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55558ccb9730 /* 4 entries */, 32768) = 352 umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./8/binderfs") = 0 umount2("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x55558ccc1770 /* 2 entries */, 32768) = 48 getdents64(4, 0x55558ccc1770 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x55558ccb9730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./8") = 0 mkdir("./9", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5867] set_robust_list(0x55558ccb86a0, 24 [pid 5829] <... clone resumed>, child_tidptr=0x55558ccb8690) = 5867 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] chdir("./9") = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3) = 0 [pid 5867] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5867] write(1, "executing program\n", 18executing program ) = 18 [pid 5867] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] rt_sigaction(SIGRT_1, {sa_handler=0x7fad64350db0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fad64341f60}, NULL, 8) = 0 [pid 5867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad642be000 [pid 5867] mprotect(0x7fad642bf000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642de990, parent_tid=0x7fad642de990, exit_signal=0, stack=0x7fad642be000, stack_size=0x20300, tls=0x7fad642de6c0}./strace-static-x86_64: Process 5869 attached [pid 5869] rseq(0x7fad642defe0, 0x20, 0, 0x53053053) = 0 [pid 5867] <... clone3 resumed> => {parent_tid=[5869]}, 88) = 5869 [pid 5869] set_robust_list(0x7fad642de9a0, 24) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] memfd_create("syzkaller", 0 [pid 5867] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5869] <... memfd_create resumed>) = 3 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5869] munmap(0x7fad5be00000, 138412032) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5869] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5869] close(3) = 0 [pid 5869] close(4) = 0 [pid 5869] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5869] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5869] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5869] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5869] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5869] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 0 [pid 5869] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY) = 4 [pid 5867] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] futex(0x7fad643f370c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 1 [pid 5869] futex(0x7fad643f3708, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fad643f3708, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5869] preadv(4, [pid 5867] <... futex resumed>) = 0 [ 101.473355][ T5869] loop0: detected capacity change from 0 to 2048 [ 101.502626][ T5869] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5867] futex(0x7fad643f370c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5867] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6429d000 [pid 5867] mprotect(0x7fad6429e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad642bd990, parent_tid=0x7fad642bd990, exit_signal=0, stack=0x7fad6429d000, stack_size=0x20300, tls=0x7fad642bd6c0}./strace-static-x86_64: Process 5870 attached => {parent_tid=[5870]}, 88) = 5870 [pid 5870] rseq(0x7fad642bdfe0, 0x20, 0, 0x53053053 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... rseq resumed>) = 0 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] set_robust_list(0x7fad642bd9a0, 24 [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5870] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5870] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5867] <... futex resumed>) = 0 [pid 5870] <... open resumed>) = 6 [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5870] memfd_create("syzkaller", 0) = 7 [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5870] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5870] munmap(0x7fad5be00000, 138412032) = 0 [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5870] close(7) = 0 [pid 5870] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5870] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] truncate("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 9 [pid 5867] <... futex resumed>) = 0 [pid 5870] <... truncate resumed>) = -1 ENOENT (No such file or directory) [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] openat(AT_FDCWD, NULL, O_RDONLY|O_SYNC) = -1 EFAULT (Bad address) [pid 5867] <... futex resumed>) = 0 [pid 5870] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] getdents64(-1, [pid 5867] <... futex resumed>) = 0 [pid 5870] <... getdents64 resumed>0x200000000f80, 4096) = -1 EBADF (Bad file descriptor) [pid 5870] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] futex(0x7fad643f3718, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] ftruncate(6, 33587202) = 0 [pid 5870] futex(0x7fad643f371c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fad643f3718, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fad643f371c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5867] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fad6427c000 [pid 5867] mprotect(0x7fad6427d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fad6429c990, parent_tid=0x7fad6429c990, exit_signal=0, stack=0x7fad6427c000, stack_size=0x20300, tls=0x7fad6429c6c0}./strace-static-x86_64: Process 5871 attached [pid 5871] rseq(0x7fad6429cfe0, 0x20, 0, 0x53053053) = 0 [pid 5867] <... clone3 resumed> => {parent_tid=[5871]}, 88) = 5871 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] set_robust_list(0x7fad6429c9a0, 24 [pid 5867] <... futex resumed>) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] memfd_create("syzkaller", 0) = 7 [pid 5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fad5be00000 [pid 5871] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5871] munmap(0x7fad5be00000, 138412032) = 0 [pid 5871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5871] close(7) = 0 [pid 5871] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5871] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 0 [pid 5871] read(5, [pid 5867] futex(0x7fad643f372c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... read resumed>0x200000001f80, 8224) = 8224 [pid 5871] futex(0x7fad643f372c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5871] futex(0x7fad643f3728, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fad643f3728, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = 1 [ 101.972991][ T5869] ------------[ cut here ]------------ [ 101.979022][ T5869] WARNING: CPU: 0 PID: 5869 at fs/udf/inode.c:2081 __udf_add_aext+0x555/0x700 [ 101.988080][ T5869] Modules linked in: [ 101.992150][ T5869] CPU: 0 UID: 0 PID: 5869 Comm: syz-executor362 Not tainted 6.15.0-rc3-syzkaller-00008-ga33b5a08cbbd #0 PREEMPT(full) [ 102.004652][ T5869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.014784][ T5869] RIP: 0010:__udf_add_aext+0x555/0x700 [ 102.020258][ T5869] Code: 17 d7 fe 49 8b 3c 24 4c 89 fe e8 a6 d3 fb fe 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec 6e 6f fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 de 6e 6f fe 90 0f 0b 90 e9 54 fc ff ff [ 102.039977][ T5869] RSP: 0018:ffffc9000406e8d8 EFLAGS: 00010293 [ 102.046148][ T5869] RAX: ffffffff83534d74 RBX: 1ffff9200080dd67 RCX: ffff888031bb3c00 [ 102.054211][ T5869] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 102.062210][ T5869] RBP: 0000000000000000 R08: ffffffff83534956 R09: ffffffff83534886 [ 102.070312][ T5869] R10: 0000000000000002 R11: ffff888031bb3c00 R12: ffffc9000406eb30 [ 102.078332][ T5869] R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000406eb38 [ 102.086378][ T5869] FS: 00007fad642de6c0(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000 [ 102.095400][ T5869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.102009][ T5869] CR2: 0000200000021340 CR3: 00000000358be000 CR4: 00000000003526f0 [ 102.110058][ T5869] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.118087][ T5869] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.126126][ T5869] Call Trace: [ 102.129443][ T5869] [ 102.132380][ T5869] udf_map_block+0x402c/0x55c0 [ 102.137248][ T5869] ? __pfx_udf_map_block+0x10/0x10 [ 102.142442][ T5869] ? __pfx___might_resched+0x10/0x10 [ 102.147803][ T5869] ? mlock_drain_local+0x79/0x490 [ 102.152855][ T5869] ? clean_bdev_aliases+0x710/0x8a0 [ 102.158121][ T5869] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 102.163711][ T5869] __udf_get_block+0x128/0x410 [ 102.168557][ T5869] ? __pfx___udf_get_block+0x10/0x10 [ 102.173894][ T5869] __block_write_begin_int+0x691/0x1930 [ 102.179519][ T5869] ? __pfx_udf_get_block+0x10/0x10 [ 102.184691][ T5869] ? __pfx___block_write_begin_int+0x10/0x10 [ 102.190688][ T5869] ? file_update_time+0x3dd/0x450 [ 102.195765][ T5869] udf_page_mkwrite+0x5bf/0x8d0 [ 102.200644][ T5869] ? do_page_mkwrite+0x159/0x340 [ 102.205686][ T5869] do_page_mkwrite+0x159/0x340 [ 102.210484][ T5869] do_wp_page+0x2b7e/0x5dc0 [ 102.215074][ T5869] ? __pfx_do_wp_page+0x10/0x10 [ 102.219968][ T5869] ? __lock_acquire+0xad5/0xd80 [ 102.224914][ T5869] ? do_raw_spin_lock+0x151/0x370 [ 102.229979][ T5869] handle_pte_fault+0xfaf/0x61c0 [ 102.234984][ T5869] ? __lock_acquire+0xad5/0xd80 [ 102.239862][ T5869] ? __pfx_handle_pte_fault+0x10/0x10 [ 102.245314][ T5869] ? vring_map_one_sg+0x31d/0x7d0 [ 102.250373][ T5869] ? vring_map_one_sg+0x31d/0x7d0 [ 102.255453][ T5869] ? vring_map_one_sg+0x31d/0x7d0 [ 102.260510][ T5869] ? vring_map_one_sg+0x689/0x7d0 [ 102.265610][ T5869] ? mtree_range_walk+0x700/0x8e0 [ 102.270690][ T5869] handle_mm_fault+0x1030/0x1aa0 [ 102.275706][ T5869] ? __pfx_handle_mm_fault+0x10/0x10 [ 102.281039][ T5869] ? lock_mm_and_find_vma+0x9c/0x2f0 [ 102.286407][ T5869] exc_page_fault+0x2bb/0x920 [ 102.291139][ T5869] asm_exc_page_fault+0x26/0x30 [ 102.296046][ T5869] RIP: 0010:rep_movs_alternative+0x4a/0x90 [ 102.301879][ T5869] Code: cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb c5 a4 c3 cc cc cc cc 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48 [ 102.321551][ T5869] RSP: 0018:ffffc9000406fac8 EFLAGS: 00050246 [ 102.327688][ T5869] RAX: ffffffff84fc3301 RBX: 0000200000105040 RCX: 0000000000000040 [ 102.335748][ T5869] RDX: 0000000000000000 RSI: ffffc9000406fb60 RDI: 0000200000105000 [ 102.343751][ T5869] RBP: ffffc9000406fc10 R08: ffffc9000406fb9f R09: 1ffff9200080df73 [ 102.351955][ T5869] R10: dffffc0000000000 R11: fffff5200080df74 R12: 0000000000000040 [ 102.359973][ T5869] R13: 00007ffffffff000 R14: ffffc9000406fb60 R15: 0000200000105000 [ 102.367992][ T5869] ? _copy_from_user+0x61/0xb0 [ 102.372789][ T5869] _copy_to_user+0x8b/0xb0 [ 102.377265][ T5869] rng_dev_read+0x3dc/0x720 [ 102.381797][ T5869] ? __pfx_rng_dev_read+0x10/0x10 [ 102.386951][ T5869] ? __lock_acquire+0xad5/0xd80 [ 102.391851][ T5869] ? bpf_lsm_file_permission+0x9/0x10 [ 102.397281][ T5869] ? rw_verify_area+0x246/0x630 [ 102.402150][ T5869] vfs_readv+0x6be/0xa80 [ 102.406487][ T5869] ? __pfx_rng_dev_read+0x10/0x10 [ 102.411535][ T5869] ? __pfx_vfs_readv+0x10/0x10 [ 102.416386][ T5869] ? __fget_files+0x2a/0x420 [ 102.421004][ T5869] ? __fget_files+0x39d/0x420 [ 102.425774][ T5869] ? __fget_files+0x2a/0x420 [ 102.430396][ T5869] __x64_sys_preadv+0x1ba/0x2d0 [ 102.435310][ T5869] ? __pfx___x64_sys_preadv+0x10/0x10 [ 102.440717][ T5869] do_syscall_64+0xf3/0x210 [ 102.445275][ T5869] ? clear_bhb_loop+0x45/0xa0 [ 102.449973][ T5869] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.455952][ T5869] RIP: 0033:0x7fad6432a999 [ 102.460410][ T5869] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 102.480092][ T5869] RSP: 002b:00007fad642de218 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 102.488742][ T5869] RAX: ffffffffffffffda RBX: 00007fad643f3708 RCX: 00007fad6432a999 [ 102.496772][ T5869] RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000004 [ 102.504779][ T5869] RBP: 00007fad643f3700 R08: 0000000000000000 R09: 0000000000000000 [ 102.512749][ T5869] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fad643bf514 [ 102.520773][ T5869] R13: 0000200000000040 R14: 00007fad642f2abd R15: 0000200000000180 [ 102.528812][ T5869] [ 102.531844][ T5869] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 102.539139][ T5869] CPU: 0 UID: 0 PID: 5869 Comm: syz-executor362 Not tainted 6.15.0-rc3-syzkaller-00008-ga33b5a08cbbd #0 PREEMPT(full) [ 102.551549][ T5869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 102.561608][ T5869] Call Trace: [ 102.564901][ T5869] [ 102.567851][ T5869] dump_stack_lvl+0x241/0x360 [ 102.572540][ T5869] ? __pfx_dump_stack_lvl+0x10/0x10 [ 102.577744][ T5869] ? __pfx__printk+0x10/0x10 [ 102.582374][ T5869] ? vscnprintf+0x5d/0x90 [ 102.586737][ T5869] panic+0x349/0x880 [ 102.590677][ T5869] ? __warn+0x174/0x4d0 [ 102.594843][ T5869] ? __pfx_panic+0x10/0x10 [ 102.599290][ T5869] __warn+0x344/0x4d0 [ 102.603279][ T5869] ? __udf_add_aext+0x555/0x700 [ 102.608143][ T5869] report_bug+0x2b3/0x500 [ 102.612507][ T5869] ? __udf_add_aext+0x555/0x700 [ 102.617384][ T5869] ? __udf_add_aext+0x555/0x700 [ 102.622255][ T5869] ? __udf_add_aext+0x557/0x700 [ 102.627133][ T5869] handle_bug+0x89/0x170 [ 102.631391][ T5869] exc_invalid_op+0x1a/0x50 [ 102.635901][ T5869] asm_exc_invalid_op+0x1a/0x20 [ 102.640763][ T5869] RIP: 0010:__udf_add_aext+0x555/0x700 [ 102.646238][ T5869] Code: 17 d7 fe 49 8b 3c 24 4c 89 fe e8 a6 d3 fb fe 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec 6e 6f fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 de 6e 6f fe 90 0f 0b 90 e9 54 fc ff ff [ 102.665859][ T5869] RSP: 0018:ffffc9000406e8d8 EFLAGS: 00010293 [ 102.671936][ T5869] RAX: ffffffff83534d74 RBX: 1ffff9200080dd67 RCX: ffff888031bb3c00 [ 102.679906][ T5869] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 102.687876][ T5869] RBP: 0000000000000000 R08: ffffffff83534956 R09: ffffffff83534886 [ 102.695847][ T5869] R10: 0000000000000002 R11: ffff888031bb3c00 R12: ffffc9000406eb30 [ 102.703825][ T5869] R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000406eb38 [ 102.711808][ T5869] ? __udf_add_aext+0x66/0x700 [ 102.716574][ T5869] ? __udf_add_aext+0x136/0x700 [ 102.721440][ T5869] ? __udf_add_aext+0x554/0x700 [ 102.726308][ T5869] ? __udf_add_aext+0x554/0x700 [ 102.731170][ T5869] udf_map_block+0x402c/0x55c0 [ 102.735967][ T5869] ? __pfx_udf_map_block+0x10/0x10 [ 102.741133][ T5869] ? __pfx___might_resched+0x10/0x10 [ 102.746447][ T5869] ? mlock_drain_local+0x79/0x490 [ 102.751581][ T5869] ? clean_bdev_aliases+0x710/0x8a0 [ 102.756794][ T5869] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 102.762369][ T5869] __udf_get_block+0x128/0x410 [ 102.767150][ T5869] ? __pfx___udf_get_block+0x10/0x10 [ 102.772470][ T5869] __block_write_begin_int+0x691/0x1930 [ 102.778043][ T5869] ? __pfx_udf_get_block+0x10/0x10 [ 102.783169][ T5869] ? __pfx___block_write_begin_int+0x10/0x10 [ 102.789171][ T5869] ? file_update_time+0x3dd/0x450 [ 102.794256][ T5869] udf_page_mkwrite+0x5bf/0x8d0 [ 102.799142][ T5869] ? do_page_mkwrite+0x159/0x340 [ 102.804091][ T5869] do_page_mkwrite+0x159/0x340 [ 102.808861][ T5869] do_wp_page+0x2b7e/0x5dc0 [ 102.813402][ T5869] ? __pfx_do_wp_page+0x10/0x10 [ 102.818267][ T5869] ? __lock_acquire+0xad5/0xd80 [ 102.823135][ T5869] ? do_raw_spin_lock+0x151/0x370 [ 102.828179][ T5869] handle_pte_fault+0xfaf/0x61c0 [ 102.833134][ T5869] ? __lock_acquire+0xad5/0xd80 [ 102.837998][ T5869] ? __pfx_handle_pte_fault+0x10/0x10 [ 102.843389][ T5869] ? vring_map_one_sg+0x31d/0x7d0 [ 102.848426][ T5869] ? vring_map_one_sg+0x31d/0x7d0 [ 102.853455][ T5869] ? vring_map_one_sg+0x31d/0x7d0 [ 102.858498][ T5869] ? vring_map_one_sg+0x689/0x7d0 [ 102.863566][ T5869] ? mtree_range_walk+0x700/0x8e0 [ 102.868616][ T5869] handle_mm_fault+0x1030/0x1aa0 [ 102.873584][ T5869] ? __pfx_handle_mm_fault+0x10/0x10 [ 102.878894][ T5869] ? lock_mm_and_find_vma+0x9c/0x2f0 [ 102.884187][ T5869] exc_page_fault+0x2bb/0x920 [ 102.888876][ T5869] asm_exc_page_fault+0x26/0x30 [ 102.893727][ T5869] RIP: 0010:rep_movs_alternative+0x4a/0x90 [ 102.899539][ T5869] Code: cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb c5 a4 c3 cc cc cc cc 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48 [ 102.919147][ T5869] RSP: 0018:ffffc9000406fac8 EFLAGS: 00050246 [ 102.925224][ T5869] RAX: ffffffff84fc3301 RBX: 0000200000105040 RCX: 0000000000000040 [ 102.933206][ T5869] RDX: 0000000000000000 RSI: ffffc9000406fb60 RDI: 0000200000105000 [ 102.941180][ T5869] RBP: ffffc9000406fc10 R08: ffffc9000406fb9f R09: 1ffff9200080df73 [ 102.949159][ T5869] R10: dffffc0000000000 R11: fffff5200080df74 R12: 0000000000000040 [ 102.957133][ T5869] R13: 00007ffffffff000 R14: ffffc9000406fb60 R15: 0000200000105000 [ 102.965136][ T5869] ? _copy_from_user+0x61/0xb0 [ 102.969921][ T5869] _copy_to_user+0x8b/0xb0 [ 102.974351][ T5869] rng_dev_read+0x3dc/0x720 [ 102.978868][ T5869] ? __pfx_rng_dev_read+0x10/0x10 [ 102.983896][ T5869] ? __lock_acquire+0xad5/0xd80 [ 102.988758][ T5869] ? bpf_lsm_file_permission+0x9/0x10 [ 102.994142][ T5869] ? rw_verify_area+0x246/0x630 [ 102.999006][ T5869] vfs_readv+0x6be/0xa80 [ 103.003266][ T5869] ? __pfx_rng_dev_read+0x10/0x10 [ 103.008298][ T5869] ? __pfx_vfs_readv+0x10/0x10 [ 103.013077][ T5869] ? __fget_files+0x2a/0x420 [ 103.017670][ T5869] ? __fget_files+0x39d/0x420 [ 103.022352][ T5869] ? __fget_files+0x2a/0x420 [ 103.026959][ T5869] __x64_sys_preadv+0x1ba/0x2d0 [ 103.031816][ T5869] ? __pfx___x64_sys_preadv+0x10/0x10 [ 103.037210][ T5869] do_syscall_64+0xf3/0x210 [ 103.041718][ T5869] ? clear_bhb_loop+0x45/0xa0 [ 103.046404][ T5869] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.052390][ T5869] RIP: 0033:0x7fad6432a999 [ 103.056820][ T5869] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 103.076426][ T5869] RSP: 002b:00007fad642de218 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 103.084845][ T5869] RAX: ffffffffffffffda RBX: 00007fad643f3708 RCX: 00007fad6432a999 [ 103.092818][ T5869] RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000004 [ 103.100789][ T5869] RBP: 00007fad643f3700 R08: 0000000000000000 R09: 0000000000000000 [ 103.108759][ T5869] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fad643bf514 [ 103.116816][ T5869] R13: 0000200000000040 R14: 00007fad642f2abd R15: 0000200000000180 [ 103.124800][ T5869] [ 103.128148][ T5869] Kernel Offset: disabled [ 103.132494][ T5869] Rebooting in 86400 seconds..