./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2838532398 <...> Warning: Permanently added '10.128.0.34' (ED25519) to the list of known hosts. execve("./syz-executor2838532398", ["./syz-executor2838532398"], 0x7ffde38853b0 /* 10 vars */) = 0 brk(NULL) = 0x55555568a000 brk(0x55555568ad40) = 0x55555568ad40 arch_prctl(ARCH_SET_FS, 0x55555568a3c0) = 0 set_tid_address(0x55555568a690) = 5056 set_robust_list(0x55555568a6a0, 24) = 0 rseq(0x55555568ace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2838532398", 4096) = 28 getrandom("\x44\x34\x0e\xbe\xa1\xeb\x1e\x01", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555568ad40 brk(0x5555556abd40) = 0x5555556abd40 brk(0x5555556ac000) = 0x5555556ac000 mprotect(0x7fecab12a000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5057 ./strace-static-x86_64: Process 5057 attached [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] set_robust_list(0x55555568a6a0, 24) = 0 ./strace-static-x86_64: Process 5058 attached [pid 5057] mkdir("./syzkaller.pZ3R1W", 0700 [pid 5056] <... clone resumed>, child_tidptr=0x55555568a690) = 5058 [pid 5058] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] mkdir("./syzkaller.AQOtCA", 0700./strace-static-x86_64: Process 5059 attached [pid 5056] <... clone resumed>, child_tidptr=0x55555568a690) = 5059 [pid 5058] <... mkdir resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] set_robust_list(0x55555568a6a0, 24 [pid 5058] chmod("./syzkaller.AQOtCA", 0777 [pid 5057] chmod("./syzkaller.pZ3R1W", 0777) = 0 [pid 5057] chdir("./syzkaller.pZ3R1W"./strace-static-x86_64: Process 5060 attached [pid 5059] <... set_robust_list resumed>) = 0 [pid 5058] <... chmod resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555568a690) = 5060 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] set_robust_list(0x55555568a6a0, 24 [pid 5058] chdir("./syzkaller.AQOtCA" [pid 5057] <... chdir resumed>) = 0 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5059] mkdir("./syzkaller.gtqR4Y", 0700 [pid 5060] mkdir("./syzkaller.6BwyNt", 0700 [pid 5058] <... chdir resumed>) = 0 [pid 5057] mkdir("./0", 0777 [pid 5058] mkdir("./0", 0777 [pid 5059] <... mkdir resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5061 attached [pid 5056] <... clone resumed>, child_tidptr=0x55555568a690) = 5061 [pid 5060] <... mkdir resumed>) = 0 [pid 5059] chmod("./syzkaller.gtqR4Y", 0777 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5060] chmod("./syzkaller.6BwyNt", 0777 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] set_robust_list(0x55555568a6a0, 24 [pid 5060] <... chmod resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5057] <... openat resumed>) = 3 [pid 5061] <... set_robust_list resumed>) = 0 [pid 5059] <... chmod resumed>) = 0 [pid 5060] chdir("./syzkaller.6BwyNt" [pid 5059] chdir("./syzkaller.gtqR4Y" [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5061] mkdir("./syzkaller.vkNGSn", 0700 [pid 5060] <... chdir resumed>) = 0 [pid 5059] <... chdir resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] mkdir("./0", 0777 [pid 5059] mkdir("./0", 0777 [pid 5058] close(3./strace-static-x86_64: Process 5062 attached [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5057] close(3 [pid 5056] <... clone resumed>, child_tidptr=0x55555568a690) = 5062 [pid 5062] set_robust_list(0x55555568a6a0, 24 [pid 5061] chmod("./syzkaller.vkNGSn", 0777 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] <... mkdir resumed>) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] <... close resumed>) = 0 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] <... chmod resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5062] mkdir("./syzkaller.v45tcw", 0700 [pid 5059] <... openat resumed>) = 3 [pid 5061] chdir("./syzkaller.vkNGSn") = 0 [pid 5061] mkdir("./0", 0777 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5062] <... mkdir resumed>) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5064 attached ./strace-static-x86_64: Process 5063 attached [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5063 [pid 5060] close(3 [pid 5064] set_robust_list(0x55555568a6a0, 24 [pid 5063] set_robust_list(0x55555568a6a0, 24 [pid 5062] chmod("./syzkaller.v45tcw", 0777 [pid 5060] <... close resumed>) = 0 [pid 5059] close(3 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5064 [pid 5059] <... close resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... set_robust_list resumed>) = 0 [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] <... chmod resumed>) = 0 [pid 5061] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5066 attached ./strace-static-x86_64: Process 5067 attached [pid 5064] chdir("./0" [pid 5063] chdir("./0" [pid 5062] chdir("./syzkaller.v45tcw" [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5067 [pid 5066] set_robust_list(0x55555568a6a0, 24 [pid 5067] set_robust_list(0x55555568a6a0, 24 [pid 5064] <... chdir resumed>) = 0 [pid 5063] <... chdir resumed>) = 0 [pid 5062] <... chdir resumed>) = 0 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5066 [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] <... prctl resumed>) = 0 [pid 5063] <... prctl resumed>) = 0 [pid 5063] setpgid(0, 0 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5062] mkdir("./0", 0777 [pid 5061] close(3 [pid 5064] setpgid(0, 0 [pid 5066] chdir("./0" [pid 5067] chdir("./0" [pid 5063] <... setpgid resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5066] <... chdir resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... chdir resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... prctl resumed>) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] setpgid(0, 0 [pid 5067] <... prctl resumed>) = 0 [pid 5064] <... setpgid resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] <... setpgid resumed>) = 0 [pid 5067] setpgid(0, 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] <... openat resumed>) = 3 [pid 5062] <... openat resumed>) = 3 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... setpgid resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5063] write(3, "1000", 4 [pid 5062] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5068 attached [pid 5066] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] write(3, "1000", 4 [pid 5063] <... write resumed>) = 4 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] set_robust_list(0x55555568a6a0, 24 [pid 5066] write(3, "1000", 4 [pid 5067] <... openat resumed>) = 3 [pid 5064] <... write resumed>) = 4 [pid 5063] close(3 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5068 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5066] <... write resumed>) = 4 [pid 5067] write(3, "1000", 4 [pid 5064] close(3 [pid 5063] <... close resumed>) = 0 [pid 5062] close(3 [pid 5068] chdir("./0" [pid 5066] close(3 [pid 5067] <... write resumed>) = 4 [pid 5064] <... close resumed>) = 0 [pid 5063] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... close resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5067] close(3 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... close resumed>) = 0 [pid 5063] <... symlink resumed>) = 0 [pid 5066] <... symlink resumed>) = 0 [pid 5063] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... chdir resumed>) = 0 [pid 5064] symlink("/dev/binderfs", "./binderfs" [pid 5063] <... futex resumed>) = 0 [pid 5067] symlink("/dev/binderfs", "./binderfs" [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... symlink resumed>) = 0 [pid 5064] <... symlink resumed>) = 0 [pid 5063] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5068] <... prctl resumed>) = 0 [pid 5066] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5069 attached [pid 5068] setpgid(0, 0 [pid 5066] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 0 [pid 5063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5069 [pid 5069] set_robust_list(0x55555568a6a0, 24 [pid 5068] <... setpgid resumed>) = 0 [pid 5066] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5067] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5064] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] chdir("./0" [pid 5068] <... openat resumed>) = 3 [pid 5066] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5063] <... mmap resumed>) = 0x7fecab044000 [pid 5069] <... chdir resumed>) = 0 [pid 5068] write(3, "1000", 4 [pid 5066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... write resumed>) = 4 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5063] <... mprotect resumed>) = 0 [pid 5069] <... prctl resumed>) = 0 [pid 5068] close(3 [pid 5066] <... mmap resumed>) = 0x7fecab044000 [pid 5067] <... mmap resumed>) = 0x7fecab044000 [pid 5064] <... mmap resumed>) = 0x7fecab044000 [pid 5069] setpgid(0, 0 [pid 5068] <... close resumed>) = 0 [pid 5066] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5067] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... setpgid resumed>) = 0 [pid 5068] symlink("/dev/binderfs", "./binderfs" [pid 5066] <... mprotect resumed>) = 0 [pid 5067] <... mprotect resumed>) = 0 [pid 5064] <... mprotect resumed>) = 0 [pid 5063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5069] <... openat resumed>) = 3 [pid 5068] <... symlink resumed>) = 0 [pid 5066] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5070 attached [pid 5068] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5064] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5071 attached [pid 5070] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5069] write(3, "1000", 4 [pid 5068] <... futex resumed>) = 0 [pid 5067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5063] <... clone3 resumed> => {parent_tid=[5070]}, 88) = 5070 ./strace-static-x86_64: Process 5073 attached ./strace-static-x86_64: Process 5072 attached [pid 5071] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5070] <... rseq resumed>) = 0 [pid 5069] <... write resumed>) = 4 [pid 5068] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5066] <... clone3 resumed> => {parent_tid=[5071]}, 88) = 5071 [pid 5063] rt_sigprocmask(SIG_SETMASK, [], [pid 5073] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5072] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5071] <... rseq resumed>) = 0 [pid 5070] set_robust_list(0x7fecab0649a0, 24 [pid 5069] close(3 [pid 5068] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5066] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... clone3 resumed> => {parent_tid=[5072]}, 88) = 5072 [pid 5064] <... clone3 resumed> => {parent_tid=[5073]}, 88) = 5073 [pid 5063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... rseq resumed>) = 0 [pid 5072] <... rseq resumed>) = 0 [pid 5071] set_robust_list(0x7fecab0649a0, 24 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] rt_sigprocmask(SIG_SETMASK, [], [pid 5063] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] set_robust_list(0x7fecab0649a0, 24 [pid 5072] set_robust_list(0x7fecab0649a0, 24 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5070] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5063] <... futex resumed>) = 0 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... symlink resumed>) = 0 [pid 5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... futex resumed>) = 0 [pid 5067] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5073] rt_sigprocmask(SIG_SETMASK, [], [pid 5072] rt_sigprocmask(SIG_SETMASK, [], [pid 5071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5071] memfd_create("syzkaller", 0 [pid 5068] <... mmap resumed>) = 0x7fecab044000 [pid 5066] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 0 [pid 5071] <... memfd_create resumed>) = 3 [pid 5069] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5073] memfd_create("syzkaller", 0 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... futex resumed>) = 0 [pid 5073] <... memfd_create resumed>) = 3 [pid 5072] memfd_create("syzkaller", 0 [pid 5071] <... mmap resumed>) = 0x7feca2c44000 [pid 5070] memfd_create("syzkaller", 0 [pid 5069] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5068] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5064] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... memfd_create resumed>) = 3 [pid 5070] <... memfd_create resumed>) = 3 [pid 5069] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... mprotect resumed>) = 0 [pid 5073] <... mmap resumed>) = 0x7feca2c44000 [pid 5069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5069] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5075]}, 88) = 5075 ./strace-static-x86_64: Process 5075 attached [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5075] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5072] <... mmap resumed>) = 0x7feca2c44000 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5075] <... rseq resumed>) = 0 [pid 5070] <... mmap resumed>) = 0x7feca2c44000 [pid 5069] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5075] set_robust_list(0x7fecab0649a0, 24 [pid 5069] <... futex resumed>) = 0 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5069] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5075] memfd_create("syzkaller", 0) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 ./strace-static-x86_64: Process 5076 attached [pid 5076] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5068] <... clone3 resumed> => {parent_tid=[5076]}, 88) = 5076 [pid 5076] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5076] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5076] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5068] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 1 [pid 5076] memfd_create("syzkaller", 0 [pid 5068] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] <... memfd_create resumed>) = 3 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5076] <... mmap resumed>) = 0x7feca2c44000 [pid 5073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5071] <... write resumed>) = 4194304 [pid 5071] munmap(0x7feca2c44000, 138412032) = 0 [pid 5070] <... write resumed>) = 4194304 [pid 5073] <... write resumed>) = 4194304 [pid 5071] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5070] munmap(0x7feca2c44000, 138412032 [pid 5073] munmap(0x7feca2c44000, 138412032 [pid 5071] <... openat resumed>) = 4 [pid 5075] <... write resumed>) = 4194304 [pid 5071] ioctl(4, LOOP_SET_FD, 3 [pid 5075] munmap(0x7feca2c44000, 138412032 [pid 5073] <... munmap resumed>) = 0 [pid 5070] <... munmap resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... openat resumed>) = 4 [pid 5073] <... openat resumed>) = 4 [pid 5070] ioctl(4, LOOP_SET_FD, 3 [pid 5073] ioctl(4, LOOP_SET_FD, 3 [pid 5075] <... munmap resumed>) = 0 [pid 5072] <... write resumed>) = 4194304 [pid 5076] <... write resumed>) = 4194304 [pid 5075] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5073] <... ioctl resumed>) = 0 [pid 5072] munmap(0x7feca2c44000, 138412032 [pid 5071] <... ioctl resumed>) = 0 [pid 5070] <... ioctl resumed>) = 0 [pid 5076] munmap(0x7feca2c44000, 138412032 [pid 5075] <... openat resumed>) = 4 [pid 5073] close(3 [pid 5071] close(3 [pid 5070] close(3 [pid 5075] ioctl(4, LOOP_SET_FD, 3 [pid 5073] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5073] mkdir("./file0", 0777) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] mkdir("./file0", 0777 [pid 5071] mkdir("./file0", 0777 [pid 5076] <... munmap resumed>) = 0 [pid 5073] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5072] <... munmap resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5075] <... ioctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5070] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5076] ioctl(4, LOOP_SET_FD, 3 [ 70.538549][ T5071] loop3: detected capacity change from 0 to 8192 [ 70.551446][ T5070] loop1: detected capacity change from 0 to 8192 [ 70.560123][ T5073] loop0: detected capacity change from 0 to 8192 [ 70.579890][ T5075] loop5: detected capacity change from 0 to 8192 [pid 5075] close(3 [pid 5072] <... openat resumed>) = 4 [pid 5075] <... close resumed>) = 0 [pid 5075] mkdir("./file0", 0777 [pid 5072] ioctl(4, LOOP_SET_FD, 3 [pid 5076] <... ioctl resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 5076] close(3) = 0 [pid 5076] mkdir("./file0", 0777) = 0 [pid 5075] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5076] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5072] <... ioctl resumed>) = 0 [pid 5072] close(3) = 0 [pid 5072] mkdir("./file0", 0777) = 0 [ 70.589640][ T5076] loop4: detected capacity change from 0 to 8192 [ 70.592468][ T5072] loop2: detected capacity change from 0 to 8192 [ 70.607638][ T5071] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.615746][ T5073] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.622503][ T5071] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 70.633806][ T5070] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.633830][ T5070] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 70.643969][ T5071] REISERFS (device loop3): using ordered data mode [ 70.658577][ T5076] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.665450][ T5071] reiserfs: using flush barriers [ 70.671869][ T5075] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.687367][ T5071] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 70.692179][ T5076] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 70.729689][ T5073] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 70.729708][ T5071] REISERFS (device loop3): checking transaction log (loop3) [ 70.739504][ T5075] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 70.746936][ T5070] REISERFS (device loop1): using ordered data mode [ 70.755706][ T5075] REISERFS (device loop5): using ordered data mode [ 70.762762][ T5073] REISERFS (device loop0): using ordered data mode [ 70.768820][ T5075] reiserfs: using flush barriers [ 70.775749][ T5070] reiserfs: using flush barriers [ 70.782701][ T5076] REISERFS (device loop4): using ordered data mode [ 70.787126][ T5072] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.791869][ T5075] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 70.804694][ T5073] reiserfs: using flush barriers [ 70.822174][ T5076] reiserfs: using flush barriers [ 70.828414][ T5072] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 70.832962][ T5071] REISERFS (device loop3): Using r5 hash to sort names [ 70.840289][ T5070] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 70.863749][ T5070] REISERFS (device loop1): checking transaction log (loop1) [ 70.873986][ T5070] REISERFS (device loop1): Using r5 hash to sort names [pid 5072] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5070] <... mount resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5071] <... mount resumed>) = 0 [pid 5070] chdir("./file0" [pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... chdir resumed>) = 0 [pid 5070] ioctl(4, LOOP_CLR_FD [pid 5071] <... openat resumed>) = 3 [pid 5071] chdir("./file0" [pid 5070] <... ioctl resumed>) = 0 [pid 5071] <... chdir resumed>) = 0 [ 70.874729][ T5076] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 70.883334][ T5075] REISERFS (device loop5): checking transaction log (loop5) [ 70.900820][ T5072] REISERFS (device loop2): using ordered data mode [ 70.917398][ T5075] REISERFS (device loop5): Using r5 hash to sort names [ 70.921449][ T5072] reiserfs: using flush barriers [ 70.926093][ T5076] REISERFS (device loop4): checking transaction log (loop4) [pid 5070] close(4 [pid 5075] <... mount resumed>) = 0 [pid 5071] ioctl(4, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5070] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... ioctl resumed>) = 0 [pid 5071] close(4 [pid 5075] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... close resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5075] <... openat resumed>) = 3 [pid 5071] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5075] chdir("./file0" [pid 5071] <... futex resumed>) = 1 [pid 5075] <... chdir resumed>) = 0 [pid 5066] <... futex resumed>) = 0 [pid 5076] <... mount resumed>) = 0 [pid 5071] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... futex resumed>) = 0 [pid 5063] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5075] ioctl(4, LOOP_CLR_FD [pid 5070] <... futex resumed>) = 0 [pid 5066] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... ioctl resumed>) = 0 [pid 5071] <... futex resumed>) = 0 [pid 5070] mkdir(".", 0777 [pid 5066] <... futex resumed>) = 1 [ 70.929506][ T5073] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 70.938488][ T5076] REISERFS (device loop4): Using r5 hash to sort names [ 70.964696][ T5072] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 70.982154][ T5072] REISERFS (device loop2): checking transaction log (loop2) [pid 5076] chdir("./file0" [pid 5075] close(4 [pid 5071] mkdir(".", 0777 [pid 5070] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5066] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] <... chdir resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5071] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5070] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5071] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5075] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5076] ioctl(4, LOOP_CLR_FD [pid 5069] <... futex resumed>) = 0 [pid 5076] <... ioctl resumed>) = 0 [pid 5075] mkdir(".", 0777 [pid 5069] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] close(4 [pid 5075] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5069] <... futex resumed>) = 0 [pid 5076] <... close resumed>) = 0 [ 70.992282][ T5073] REISERFS (device loop0): checking transaction log (loop0) [ 71.000758][ T5070] reiserfs: enabling write barrier flush mode [ 71.007445][ T5071] reiserfs: enabling write barrier flush mode [ 71.024991][ T5070] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 71.034922][ T5075] reiserfs: enabling write barrier flush mode [pid 5075] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5069] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] mkdir(".", 0777 [pid 5070] <... mount resumed>) = 0 [pid 5068] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5076] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5076] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5071] <... mount resumed>) = 0 [pid 5072] <... mount resumed>) = 0 [pid 5071] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5070] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5070] chdir(".") = 0 [pid 5070] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... openat resumed>) = 4 [pid 5070] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 71.043473][ T5072] REISERFS (device loop2): Using r5 hash to sort names [ 71.043971][ T5071] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 71.061170][ T5076] reiserfs: enabling write barrier flush mode [ 71.080106][ T5075] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5063] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... openat resumed>) = 3 [pid 5071] chdir("." [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5072] chdir("./file0" [pid 5071] <... chdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5063] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] <... chdir resumed>) = 0 [pid 5071] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 5 [pid 5072] ioctl(4, LOOP_CLR_FD [pid 5071] <... futex resumed>) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5072] <... ioctl resumed>) = 0 [pid 5071] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] close(4 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5070] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... close resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5072] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... openat resumed>) = 5 [pid 5070] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] <... futex resumed>) = 0 [pid 5072] <... futex resumed>) = 1 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] ftruncate(5, 100663296 [pid 5063] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = 1 [pid 5070] <... ftruncate resumed>) = 0 [pid 5066] <... futex resumed>) = 0 [pid 5063] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5073] <... mount resumed>) = 0 [pid 5071] ftruncate(5, 100663296 [pid 5066] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... futex resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] chdir("./file0" [pid 5072] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 1 [pid 5075] <... mount resumed>) = 0 [pid 5073] <... chdir resumed>) = 0 [pid 5072] mkdir(".", 0777 [pid 5067] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5073] ioctl(4, LOOP_CLR_FD [pid 5072] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5075] <... openat resumed>) = 4 [pid 5073] <... ioctl resumed>) = 0 [pid 5072] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [ 71.090050][ T5073] REISERFS (device loop0): Using r5 hash to sort names [ 71.110466][ T5076] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5073] close(4) = 0 [pid 5073] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5073] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5070] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5064] <... futex resumed>) = 0 [pid 5063] <... futex resumed>) = 0 [pid 5064] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5075] chdir("." [pid 5076] <... mount resumed>) = 0 [pid 5075] <... chdir resumed>) = 0 [pid 5073] mkdir(".", 0777 [pid 5064] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5063] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5075] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5070] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5076] <... openat resumed>) = 4 [pid 5075] <... futex resumed>) = 1 [pid 5073] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5069] <... futex resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5071] <... ftruncate resumed>) = 0 [pid 5069] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5076] chdir("." [pid 5069] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... chdir resumed>) = 0 [pid 5075] <... openat resumed>) = 5 [pid 5076] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... futex resumed>) = 1 [pid 5071] <... futex resumed>) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5076] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5071] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5068] <... futex resumed>) = 0 [pid 5075] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... futex resumed>) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5076] <... futex resumed>) = 0 [pid 5075] ftruncate(5, 100663296 [pid 5069] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 1 [pid 5076] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5071] <... openat resumed>) = 6 [pid 5069] <... futex resumed>) = 0 [pid 5068] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... openat resumed>) = 5 [pid 5069] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 6 [pid 5076] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5076] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... futex resumed>) = 0 [pid 5063] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] ftruncate(5, 100663296 [pid 5070] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... futex resumed>) = 0 [pid 5075] <... ftruncate resumed>) = 0 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [ 71.149301][ T5072] reiserfs: enabling write barrier flush mode [ 71.173298][ T5073] reiserfs: enabling write barrier flush mode [ 71.184315][ T5072] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5063] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5075] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... mprotect resumed>) = 0 [pid 5072] <... mount resumed>) = 0 [pid 5063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5072] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5075] <... futex resumed>) = 1 [pid 5072] <... openat resumed>) = 4 [pid 5071] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 0 [pid 5066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5075] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] chdir("." [pid 5071] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... chdir resumed>) = 0 [pid 5069] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5075] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5072] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5072] <... futex resumed>) = 1 [pid 5071] <... futex resumed>) = 0 [pid 5066] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5084] <... rseq resumed>) = 0 [pid 5072] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5066] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5063] <... clone3 resumed> => {parent_tid=[5084]}, 88) = 5084 [pid 5084] set_robust_list(0x7fecab0439a0, 24 [pid 5076] <... ftruncate resumed>) = 0 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... openat resumed>) = 7 [pid 5067] <... futex resumed>) = 0 [pid 5063] rt_sigprocmask(SIG_SETMASK, [], [pid 5084] <... set_robust_list resumed>) = 0 [pid 5076] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5071] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5084] rt_sigprocmask(SIG_SETMASK, [], [pid 5076] <... futex resumed>) = 1 [pid 5072] <... openat resumed>) = 5 [pid 5071] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5066] <... futex resumed>) = 0 [pid 5063] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5076] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] exit_group(0 [pid 5063] <... futex resumed>) = 0 [pid 5084] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... futex resumed>) = 1 [pid 5071] <... futex resumed>) = ? [pid 5068] <... futex resumed>) = 0 [pid 5066] <... exit_group resumed>) = ? [pid 5067] <... futex resumed>) = 0 [pid 5063] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] <... openat resumed>) = 7 [pid 5076] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5072] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] +++ exited with 0 +++ [pid 5068] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] +++ exited with 0 +++ [pid 5067] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... openat resumed>) = 6 [pid 5072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5084] <... futex resumed>) = 1 [pid 5073] <... mount resumed>) = 0 [pid 5072] ftruncate(5, 100663296 [pid 5067] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5063] <... futex resumed>) = 0 [pid 5084] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] exit_group(0 [pid 5084] <... futex resumed>) = ? [pid 5073] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5070] <... futex resumed>) = ? [pid 5063] <... exit_group resumed>) = ? [pid 5060] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] +++ exited with 0 +++ [pid 5073] <... openat resumed>) = 4 [ 71.228276][ T5073] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] +++ exited with 0 +++ [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] chdir("." [pid 5060] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... chdir resumed>) = 0 [pid 5063] +++ exited with 0 +++ [pid 5060] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 6 [pid 5075] <... futex resumed>) = 1 [pid 5073] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 0 [pid 5060] newfstatat(3, "", [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5069] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5075] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5073] <... futex resumed>) = 1 [pid 5069] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 0 [pid 5060] getdents64(3, [pid 5073] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5076] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... openat resumed>) = 7 [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5072] <... ftruncate resumed>) = 0 [pid 5064] <... futex resumed>) = 0 [pid 5060] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... futex resumed>) = 1 [pid 5075] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5068] <... futex resumed>) = 0 [pid 5064] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... futex resumed>) = 1 [pid 5073] <... openat resumed>) = 5 [pid 5072] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 0 [pid 5068] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5072] <... futex resumed>) = 1 [pid 5069] exit_group(0 [pid 5068] <... futex resumed>) = 0 [pid 5075] <... futex resumed>) = ? [pid 5072] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... exit_group resumed>) = ? [pid 5068] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... futex resumed>) = 0 [pid 5058] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5075] +++ exited with 0 +++ [pid 5069] +++ exited with 0 +++ [pid 5076] <... openat resumed>) = 7 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5076] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... futex resumed>) = 1 [pid 5058] <... openat resumed>) = 3 [pid 5062] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... futex resumed>) = 1 [pid 5067] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] newfstatat(3, "", [pid 5076] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5068] exit_group(0) = ? [pid 5076] <... futex resumed>) = ? [pid 5076] +++ exited with 0 +++ [pid 5073] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5068] +++ exited with 0 +++ [pid 5062] <... openat resumed>) = 3 [pid 5060] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5058] getdents64(3, [pid 5072] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5073] <... futex resumed>) = 1 [pid 5064] <... futex resumed>) = 0 [pid 5062] newfstatat(3, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5064] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] unlink("./0/binderfs" [pid 5058] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... unlink resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] ftruncate(5, 100663296 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5060] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5061] newfstatat(3, "", [pid 5062] getdents64(3, [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, [pid 5058] unlink("./0/binderfs" [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] <... unlink resumed>) = 0 [pid 5061] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./0/binderfs") = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./0/binderfs" [pid 5072] <... openat resumed>) = 6 [pid 5062] <... unlink resumed>) = 0 [pid 5072] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5072] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... futex resumed>) = 0 [pid 5067] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 1 [pid 5073] <... ftruncate resumed>) = 0 [pid 5072] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5067] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 7 [pid 5072] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5072] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5067] exit_group(0 [pid 5064] <... futex resumed>) = 0 [pid 5067] <... exit_group resumed>) = ? [pid 5064] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 1 [pid 5064] <... futex resumed>) = 0 [pid 5073] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5064] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5072] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5059] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./0/binderfs") = 0 [pid 5059] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 6 [pid 5073] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5073] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] <... futex resumed>) = 0 [pid 5064] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5073] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5064] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... openat resumed>) = 7 [pid 5073] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5064] <... futex resumed>) = 0 [pid 5073] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] exit_group(0 [pid 5061] <... umount2 resumed>) = 0 [pid 5073] <... futex resumed>) = ? [pid 5064] <... exit_group resumed>) = ? [pid 5061] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] +++ exited with 0 +++ [pid 5064] +++ exited with 0 +++ [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5057] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./0/file0", [pid 5057] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5057] newfstatat(3, "", [pid 5061] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] getdents64(3, [pid 5061] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] <... openat resumed>) = 4 [pid 5057] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(4, "", [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5061] getdents64(4, [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] unlink("./0/binderfs" [pid 5061] getdents64(4, [pid 5057] <... unlink resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] close(4) = 0 [pid 5061] rmdir("./0/file0") = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5061] rmdir("./0") = 0 [pid 5061] mkdir("./1", 0777) = 0 [pid 5058] <... umount2 resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5061] close(3) = 0 [pid 5058] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5086 attached [pid 5058] newfstatat(AT_FDCWD, "./0/file0", [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5086 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5086] set_robust_list(0x55555568a6a0, 24 [pid 5058] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5058] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5086] chdir("./1" [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5086] <... chdir resumed>) = 0 [pid 5058] getdents64(4, [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5086] setpgid(0, 0 [pid 5058] close(4) = 0 [pid 5086] <... setpgid resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... umount2 resumed>) = 0 [pid 5058] rmdir("./0/file0" [pid 5062] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] newfstatat(AT_FDCWD, "./0/file0", [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... rmdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5086] <... openat resumed>) = 3 [pid 5058] getdents64(3, [pid 5060] newfstatat(AT_FDCWD, "./0/file0", [pid 5086] write(3, "1000", 4 [pid 5062] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5086] <... write resumed>) = 4 [pid 5086] close(3 [pid 5058] close(3 [pid 5086] <... close resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] rmdir("./0" [pid 5062] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5086] <... symlink resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(4, "", [pid 5060] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... rmdir resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5086] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] mkdir("./1", 0777 [pid 5086] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5062] getdents64(4, [pid 5060] <... openat resumed>) = 4 [pid 5058] <... mkdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] newfstatat(4, "", [pid 5086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5060] getdents64(4, [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... openat resumed>) = 3 [pid 5086] <... mmap resumed>) = 0x7fecab044000 [pid 5060] getdents64(4, [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5086] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5086] <... mprotect resumed>) = 0 [pid 5058] close(3 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] close(4 [pid 5086] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] <... close resumed>) = 0 [pid 5086] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5089 attached ./strace-static-x86_64: Process 5088 attached [pid 5062] close(4 [pid 5060] <... close resumed>) = 0 [pid 5086] <... clone3 resumed> => {parent_tid=[5089]}, 88) = 5089 [pid 5060] rmdir("./0/file0" [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5088 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5086] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5062] rmdir("./0/file0" [pid 5060] getdents64(3, [pid 5086] <... futex resumed>) = 0 [pid 5088] set_robust_list(0x55555568a6a0, 24 [pid 5086] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] getdents64(3, [pid 5060] close(3 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... close resumed>) = 0 [pid 5062] close(3 [pid 5060] rmdir("./0" [pid 5062] <... close resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5062] rmdir("./0" [pid 5060] mkdir("./1", 0777 [pid 5089] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5089] <... rseq resumed>) = 0 [pid 5089] set_robust_list(0x7fecab0649a0, 24 [pid 5088] chdir("./1" [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5089] <... set_robust_list resumed>) = 0 [pid 5088] <... chdir resumed>) = 0 [pid 5062] mkdir("./1", 0777 [pid 5060] <... openat resumed>) = 3 [pid 5089] rt_sigprocmask(SIG_SETMASK, [], [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] <... mkdir resumed>) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5088] <... prctl resumed>) = 0 [pid 5060] close(3 [pid 5088] setpgid(0, 0 [pid 5060] <... close resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] memfd_create("syzkaller", 0 [pid 5088] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5090 attached [pid 5089] <... memfd_create resumed>) = 3 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5090] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5090] chdir("./1" [pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5088] <... openat resumed>) = 3 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5090 [pid 5088] write(3, "1000", 4 [pid 5090] <... chdir resumed>) = 0 [pid 5089] <... mmap resumed>) = 0x7feca2c44000 [pid 5088] <... write resumed>) = 4 [pid 5062] <... openat resumed>) = 3 [pid 5088] close(3 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] <... close resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5090] <... prctl resumed>) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5090] setpgid(0, 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] <... symlink resumed>) = 0 [pid 5090] <... setpgid resumed>) = 0 [pid 5088] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... futex resumed>) = 0 [pid 5090] <... openat resumed>) = 3 [pid 5088] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5091 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5090] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] chdir("./1" [pid 5090] <... futex resumed>) = 0 [pid 5091] <... chdir resumed>) = 0 [pid 5090] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5091] <... prctl resumed>) = 0 [pid 5091] setpgid(0, 0 [pid 5090] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5088] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] <... umount2 resumed>) = 0 [pid 5091] <... setpgid resumed>) = 0 [pid 5057] <... umount2 resumed>) = 0 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./0/file0", [pid 5088] <... mmap resumed>) = 0x7fecab044000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5088] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... mprotect resumed>) = 0 [pid 5059] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] <... openat resumed>) = 3 [pid 5088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] newfstatat(AT_FDCWD, "./0/file0", [pid 5091] write(3, "1000", 4 [pid 5090] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] <... openat resumed>) = 4 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] newfstatat(4, "", [pid 5057] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5090] <... mmap resumed>) = 0x7fecab044000 [pid 5088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5090] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5092 attached [pid 5091] <... write resumed>) = 4 [pid 5090] <... mprotect resumed>) = 0 [pid 5059] getdents64(4, [pid 5057] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5092] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5091] close(3 [pid 5090] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5088] <... clone3 resumed> => {parent_tid=[5092]}, 88) = 5092 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... openat resumed>) = 4 [pid 5092] <... rseq resumed>) = 0 [pid 5091] <... close resumed>) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] getdents64(4, [pid 5057] newfstatat(4, "", [pid 5092] set_robust_list(0x7fecab0649a0, 24 [pid 5091] symlink("/dev/binderfs", "./binderfs" [pid 5090] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5091] <... symlink resumed>) = 0 [pid 5057] getdents64(4, [pid 5091] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5090] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5090] <... clone3 resumed> => {parent_tid=[5093]}, 88) = 5093 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5090] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5090] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... mprotect resumed>) = 0 [pid 5090] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5093 attached [pid 5091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5090] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5093] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], [pid 5091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5088] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] close(4 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5093] <... rseq resumed>) = 0 [pid 5092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5088] <... futex resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5057] getdents64(4, [pid 5093] set_robust_list(0x7fecab0649a0, 24 [pid 5092] memfd_create("syzkaller", 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5092] <... memfd_create resumed>) = 3 [pid 5089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5088] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] rmdir("./0/file0" [pid 5057] close(4 [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5091] <... clone3 resumed> => {parent_tid=[5094]}, 88) = 5094 [pid 5059] <... rmdir resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5092] <... mmap resumed>) = 0x7feca2c44000 [pid 5057] rmdir("./0/file0"./strace-static-x86_64: Process 5094 attached [pid 5093] memfd_create("syzkaller", 0 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], [pid 5094] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] <... rseq resumed>) = 0 [pid 5091] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] set_robust_list(0x7fecab0649a0, 24 [pid 5091] <... futex resumed>) = 0 [pid 5094] <... set_robust_list resumed>) = 0 [pid 5091] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5094] memfd_create("syzkaller", 0) = 3 [pid 5093] <... memfd_create resumed>) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5059] getdents64(3, [pid 5057] <... rmdir resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] getdents64(3, [pid 5059] close(3 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] <... close resumed>) = 0 [pid 5057] close(3 [pid 5059] rmdir("./0" [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./0" [pid 5059] <... rmdir resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5057] mkdir("./1", 0777) = 0 [pid 5059] mkdir("./1", 0777 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5059] <... mkdir resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5057] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5059] <... openat resumed>) = 3 [pid 5057] close(3 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5057] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5095 attached [pid 5059] close(3 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5095 [pid 5059] <... close resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5096 [pid 5095] set_robust_list(0x55555568a6a0, 24./strace-static-x86_64: Process 5096 attached [pid 5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5096] set_robust_list(0x55555568a6a0, 24 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5096] chdir("./1" [pid 5095] chdir("./1" [pid 5096] <... chdir resumed>) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] <... chdir resumed>) = 0 [pid 5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... prctl resumed>) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... prctl resumed>) = 0 [pid 5089] <... write resumed>) = 4194304 [pid 5095] setpgid(0, 0 [pid 5096] <... openat resumed>) = 3 [pid 5095] <... setpgid resumed>) = 0 [pid 5096] write(3, "1000", 4 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] <... write resumed>) = 4 [pid 5096] close(3 [pid 5095] <... openat resumed>) = 3 [pid 5089] munmap(0x7feca2c44000, 138412032 [pid 5096] <... close resumed>) = 0 [pid 5095] write(3, "1000", 4 [pid 5096] symlink("/dev/binderfs", "./binderfs" [pid 5095] <... write resumed>) = 4 [pid 5089] <... munmap resumed>) = 0 [pid 5095] close(3 [pid 5089] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5095] <... close resumed>) = 0 [pid 5096] <... symlink resumed>) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs" [pid 5089] <... openat resumed>) = 4 [pid 5095] <... symlink resumed>) = 0 [pid 5095] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] ioctl(4, LOOP_SET_FD, 3 [pid 5095] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5096] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5096] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5092] <... write resumed>) = 4194304 [pid 5096] <... mmap resumed>) = 0x7fecab044000 [pid 5095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5089] <... ioctl resumed>) = 0 [pid 5096] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] munmap(0x7feca2c44000, 138412032 [pid 5089] close(3 [pid 5096] <... mprotect resumed>) = 0 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5089] <... close resumed>) = 0 [pid 5095] <... mmap resumed>) = 0x7fecab044000 [pid 5089] mkdir("./file0", 0777 [pid 5095] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5089] <... mkdir resumed>) = 0 [pid 5095] <... mprotect resumed>) = 0 [pid 5095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5089] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [ 71.916749][ T5089] loop4: detected capacity change from 0 to 8192 [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5098 attached ./strace-static-x86_64: Process 5097 attached [pid 5095] <... clone3 resumed> => {parent_tid=[5097]}, 88) = 5097 [pid 5092] <... munmap resumed>) = 0 [pid 5098] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5097] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5098] <... rseq resumed>) = 0 [pid 5097] <... rseq resumed>) = 0 [pid 5098] set_robust_list(0x7fecab0649a0, 24 [pid 5097] set_robust_list(0x7fecab0649a0, 24 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] <... set_robust_list resumed>) = 0 [pid 5098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [], [pid 5098] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] rt_sigprocmask(SIG_SETMASK, [], [pid 5092] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5096] <... clone3 resumed> => {parent_tid=[5098]}, 88) = 5098 [pid 5095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5092] <... openat resumed>) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3 [pid 5095] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5097] <... futex resumed>) = 0 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5097] memfd_create("syzkaller", 0 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] <... memfd_create resumed>) = 3 [pid 5096] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... futex resumed>) = 0 [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5096] <... futex resumed>) = 1 [pid 5096] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5097] <... mmap resumed>) = 0x7feca2c44000 [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5094] <... write resumed>) = 4194304 [pid 5092] <... ioctl resumed>) = 0 [pid 5092] close(3) = 0 [pid 5094] munmap(0x7feca2c44000, 138412032) = 0 [ 71.955844][ T5089] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 71.971718][ T5092] loop1: detected capacity change from 0 to 8192 [ 71.989071][ T5089] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 72.005821][ T5094] loop5: detected capacity change from 0 to 8192 [pid 5092] mkdir("./file0", 0777 [pid 5094] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3 [pid 5093] <... write resumed>) = 4194304 [pid 5092] <... mkdir resumed>) = 0 [pid 5094] <... ioctl resumed>) = 0 [pid 5094] close(3) = 0 [pid 5093] munmap(0x7feca2c44000, 138412032 [pid 5092] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5094] mkdir("./file0", 0777) = 0 [pid 5094] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5093] <... munmap resumed>) = 0 [ 72.012639][ T5089] REISERFS (device loop4): using ordered data mode [ 72.019322][ T5089] reiserfs: using flush barriers [ 72.031134][ T5092] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.055629][ T5092] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5093] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5093] ioctl(4, LOOP_SET_FD, 3 [pid 5097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 72.055822][ T5089] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 72.065222][ T5094] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.086312][ T5093] loop3: detected capacity change from 0 to 8192 [ 72.094338][ T5094] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 72.110170][ T5094] REISERFS (device loop5): using ordered data mode [pid 5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5093] <... ioctl resumed>) = 0 [pid 5093] close(3) = 0 [pid 5093] mkdir("./file0", 0777) = 0 [ 72.116844][ T5094] reiserfs: using flush barriers [ 72.123729][ T5092] REISERFS (device loop1): using ordered data mode [ 72.124175][ T5089] REISERFS (device loop4): checking transaction log (loop4) [ 72.138019][ T5094] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 72.156844][ T5094] REISERFS (device loop5): checking transaction log (loop5) [ 72.164584][ T5092] reiserfs: using flush barriers [ 72.186130][ T5089] REISERFS (device loop4): Using r5 hash to sort names [ 72.186251][ T5092] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5093] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5089] <... mount resumed>) = 0 [pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5094] <... mount resumed>) = 0 [pid 5089] <... openat resumed>) = 3 [pid 5089] chdir("./file0") = 0 [pid 5089] ioctl(4, LOOP_CLR_FD [pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5089] <... ioctl resumed>) = 0 [pid 5094] <... openat resumed>) = 3 [pid 5089] close(4) = 0 [pid 5089] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5094] chdir("./file0" [pid 5089] mkdir(".", 0777 [pid 5086] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5086] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5089] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5094] <... chdir resumed>) = 0 [pid 5089] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5094] close(4) = 0 [pid 5094] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5094] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] <... futex resumed>) = 0 [ 72.209412][ T5093] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.224197][ T5094] REISERFS (device loop5): Using r5 hash to sort names [ 72.248341][ T5093] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 72.248807][ T5089] reiserfs: enabling write barrier flush mode [pid 5098] <... write resumed>) = 4194304 [pid 5091] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... write resumed>) = 4194304 [pid 5094] <... futex resumed>) = 0 [pid 5091] <... futex resumed>) = 1 [pid 5094] mkdir(".", 0777 [pid 5091] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5094] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5094] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5097] munmap(0x7feca2c44000, 138412032 [pid 5098] munmap(0x7feca2c44000, 138412032) = 0 [pid 5097] <... munmap resumed>) = 0 [pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 72.272099][ T5092] REISERFS (device loop1): checking transaction log (loop1) [ 72.274243][ T5093] REISERFS (device loop3): using ordered data mode [ 72.283440][ T5094] reiserfs: enabling write barrier flush mode [ 72.286321][ T5093] reiserfs: using flush barriers [ 72.302032][ T5093] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5097] ioctl(4, LOOP_SET_FD, 3 [pid 5098] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5097] <... ioctl resumed>) = 0 [pid 5098] ioctl(4, LOOP_SET_FD, 3 [pid 5097] close(3) = 0 [pid 5092] <... mount resumed>) = 0 [pid 5089] <... mount resumed>) = 0 [pid 5097] mkdir("./file0", 0777 [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5089] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5097] <... mkdir resumed>) = 0 [pid 5092] <... openat resumed>) = 3 [pid 5097] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5092] chdir("./file0" [pid 5089] <... openat resumed>) = 4 [pid 5092] <... chdir resumed>) = 0 [pid 5092] ioctl(4, LOOP_CLR_FD [pid 5089] chdir("." [pid 5092] <... ioctl resumed>) = 0 [pid 5089] <... chdir resumed>) = 0 [ 72.315681][ T5092] REISERFS (device loop1): Using r5 hash to sort names [ 72.318597][ T5097] loop0: detected capacity change from 0 to 8192 [ 72.332105][ T5094] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 72.333327][ T5093] REISERFS (device loop3): checking transaction log (loop3) [ 72.342768][ T5098] loop2: detected capacity change from 0 to 8192 [ 72.350487][ T5089] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5092] close(4 [pid 5089] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... close resumed>) = 0 [pid 5092] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... mount resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5094] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5092] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5094] <... openat resumed>) = 4 [pid 5089] <... futex resumed>) = 1 [pid 5088] <... futex resumed>) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5094] chdir("." [pid 5089] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... futex resumed>) = 0 [pid 5098] close(3 [pid 5094] <... chdir resumed>) = 0 [pid 5092] <... futex resumed>) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5086] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... close resumed>) = 0 [pid 5092] mkdir(".", 0777 [pid 5089] <... futex resumed>) = 0 [pid 5088] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5086] <... futex resumed>) = 1 [pid 5098] mkdir("./file0", 0777 [pid 5094] <... futex resumed>) = 1 [pid 5092] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5091] <... futex resumed>) = 0 [pid 5089] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5086] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5092] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5091] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... mkdir resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5089] <... openat resumed>) = 5 [pid 5098] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5091] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5089] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5094] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5094] <... futex resumed>) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... futex resumed>) = 0 [pid 5094] ftruncate(5, 100663296 [pid 5091] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] ftruncate(5, 100663296 [pid 5086] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5091] <... futex resumed>) = 0 [ 72.373784][ T5097] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.400478][ T5092] reiserfs: enabling write barrier flush mode [pid 5091] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] <... ftruncate resumed>) = 0 [pid 5094] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5091] <... futex resumed>) = 0 [pid 5094] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5091] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5091] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5089] <... ftruncate resumed>) = 0 [pid 5086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5086] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 72.420089][ T5097] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 72.425771][ T5093] REISERFS (device loop3): Using r5 hash to sort names [ 72.430585][ T5097] REISERFS (device loop0): using ordered data mode [ 72.445109][ T5098] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.453436][ T5097] reiserfs: using flush barriers [pid 5094] <... openat resumed>) = 6 [pid 5089] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5089] <... futex resumed>) = 0 [pid 5086] <... mmap resumed>) = 0x7fecab023000 [pid 5089] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} => {parent_tid=[5105]}, 88) = 5105 [pid 5086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5086] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5086] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... mount resumed>) = 0 [pid 5093] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 5105 attached [pid 5094] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] chdir("./file0" [pid 5105] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5094] <... futex resumed>) = 1 [pid 5093] <... chdir resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5105] <... rseq resumed>) = 0 [pid 5093] ioctl(4, LOOP_CLR_FD [pid 5091] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] set_robust_list(0x7fecab0439a0, 24 [pid 5093] <... ioctl resumed>) = 0 [pid 5091] <... futex resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5093] close(4 [pid 5091] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 72.475873][ T5092] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 72.485758][ T5097] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5105] rt_sigprocmask(SIG_SETMASK, [], [pid 5093] <... close resumed>) = 0 [pid 5105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5094] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5092] <... mount resumed>) = 0 [pid 5105] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5097] <... mount resumed>) = 0 [pid 5094] <... openat resumed>) = 7 [pid 5093] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5093] <... futex resumed>) = 1 [pid 5092] <... openat resumed>) = 4 [pid 5093] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5092] chdir("." [pid 5086] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] chdir("./file0" [pid 5094] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... chdir resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = 1 [pid 5094] <... futex resumed>) = 1 [pid 5092] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5091] <... futex resumed>) = 0 [pid 5090] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5086] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5097] <... chdir resumed>) = 0 [pid 5094] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5093] <... futex resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5091] exit_group(0 [pid 5090] <... futex resumed>) = 1 [ 72.520103][ T5097] REISERFS (device loop0): checking transaction log (loop0) [ 72.520387][ T5098] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 72.528664][ T5097] REISERFS (device loop0): Using r5 hash to sort names [ 72.547201][ T5098] REISERFS (device loop2): using ordered data mode [ 72.553750][ T5098] reiserfs: using flush barriers [pid 5097] ioctl(4, LOOP_CLR_FD [pid 5094] <... futex resumed>) = ? [pid 5093] mkdir(".", 0777 [pid 5092] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5091] <... exit_group resumed>) = ? [pid 5090] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5097] <... ioctl resumed>) = 0 [pid 5094] +++ exited with 0 +++ [pid 5093] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5091] +++ exited with 0 +++ [pid 5088] <... futex resumed>) = 0 [pid 5097] close(4 [pid 5093] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5105] <... openat resumed>) = 6 [pid 5098] <... mount resumed>) = 0 [pid 5097] <... close resumed>) = 0 [pid 5089] <... openat resumed>) = 7 [pid 5088] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5105] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5097] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5089] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... futex resumed>) = 1 [pid 5105] <... futex resumed>) = 0 [pid 5098] <... openat resumed>) = 3 [pid 5088] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5105] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] chdir("./file0") = 0 [pid 5097] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5093] <... mount resumed>) = 0 [pid 5092] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5089] <... futex resumed>) = 0 [pid 5086] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] exit_group(0 [pid 5062] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5095] <... futex resumed>) = 0 [pid 5086] <... exit_group resumed>) = ? [pid 5062] <... openat resumed>) = 3 [pid 5097] mkdir(".", 0777 [pid 5095] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5093] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5097] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5093] <... openat resumed>) = 4 [pid 5089] +++ exited with 0 +++ [pid 5062] newfstatat(3, "", [pid 5092] <... openat resumed>) = 5 [pid 5105] <... futex resumed>) = ? [pid 5097] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5093] chdir("." [ 72.562414][ T5098] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 72.579579][ T5098] REISERFS (device loop2): checking transaction log (loop2) [ 72.584833][ T5093] reiserfs: enabling write barrier flush mode [ 72.588533][ T5098] REISERFS (device loop2): Using r5 hash to sort names [ 72.616464][ T5093] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5092] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] ioctl(4, LOOP_CLR_FD [pid 5093] <... chdir resumed>) = 0 [pid 5092] <... futex resumed>) = 1 [pid 5088] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5098] <... ioctl resumed>) = 0 [pid 5093] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] close(4 [pid 5093] <... futex resumed>) = 1 [pid 5088] <... futex resumed>) = 0 [pid 5098] <... close resumed>) = 0 [pid 5093] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5096] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5098] <... futex resumed>) = 1 [pid 5105] +++ exited with 0 +++ [pid 5092] ftruncate(5, 100663296 [pid 5090] <... futex resumed>) = 0 [pid 5086] +++ exited with 0 +++ [pid 5062] getdents64(3, [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5090] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5090] <... futex resumed>) = 1 [pid 5062] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5098] mkdir(".", 0777 [pid 5093] <... futex resumed>) = 0 [pid 5090] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5061] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5062] unlink("./1/binderfs" [pid 5098] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5093] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5061] newfstatat(3, "", [pid 5098] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5093] <... openat resumed>) = 5 [pid 5062] <... unlink resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5093] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(3, [pid 5093] <... futex resumed>) = 1 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5093] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] <... futex resumed>) = 0 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] <... mount resumed>) = 0 [pid 5093] ftruncate(5, 100663296 [pid 5090] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5097] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5088] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] <... openat resumed>) = 4 [pid 5088] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5088] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] unlink("./1/binderfs" [pid 5088] <... mmap resumed>) = 0x7fecab023000 [pid 5088] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5088] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5097] chdir("." [pid 5088] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] <... chdir resumed>) = 0 [pid 5088] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0}./strace-static-x86_64: Process 5106 attached [pid 5097] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5097] <... futex resumed>) = 1 [ 72.632541][ T5097] reiserfs: enabling write barrier flush mode [ 72.646613][ T5097] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 72.667086][ T5098] reiserfs: enabling write barrier flush mode [pid 5095] <... futex resumed>) = 0 [pid 5088] <... clone3 resumed> => {parent_tid=[5106]}, 88) = 5106 [pid 5106] <... rseq resumed>) = 0 [pid 5097] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... ftruncate resumed>) = 0 [pid 5092] <... ftruncate resumed>) = 0 [pid 5088] rt_sigprocmask(SIG_SETMASK, [], [pid 5095] <... futex resumed>) = 0 [pid 5093] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5095] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... futex resumed>) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5088] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5090] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5088] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] set_robust_list(0x7fecab0439a0, 24 [pid 5090] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... set_robust_list resumed>) = 0 [pid 5097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5106] rt_sigprocmask(SIG_SETMASK, [], [pid 5097] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5097] <... openat resumed>) = 5 [pid 5092] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5106] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5097] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 0 [pid 5097] <... futex resumed>) = 1 [pid 5095] <... futex resumed>) = 0 [pid 5097] ftruncate(5, 100663296 [pid 5095] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] <... futex resumed>) = 0 [pid 5106] <... openat resumed>) = 6 [pid 5095] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5093] <... openat resumed>) = 6 [pid 5093] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5090] <... futex resumed>) = 0 [pid 5093] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5090] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5090] <... futex resumed>) = 0 [ 72.695872][ T5098] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5090] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5106] <... futex resumed>) = 1 [pid 5093] <... openat resumed>) = 7 [pid 5088] <... futex resumed>) = 0 [pid 5093] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... futex resumed>) = 1 [pid 5088] <... futex resumed>) = 1 [pid 5093] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5088] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5092] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5106] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] <... mount resumed>) = 0 [pid 5092] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5090] exit_group(0) = ? [pid 5098] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5093] <... futex resumed>) = ? [pid 5098] <... openat resumed>) = 4 [pid 5093] +++ exited with 0 +++ [pid 5098] chdir("." [pid 5092] <... openat resumed>) = 7 [pid 5098] <... chdir resumed>) = 0 [pid 5098] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5096] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5092] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5092] <... futex resumed>) = 1 [pid 5090] +++ exited with 0 +++ [pid 5088] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5088] exit_group(0 [pid 5106] <... futex resumed>) = ? [pid 5096] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5088] <... exit_group resumed>) = ? [pid 5106] +++ exited with 0 +++ [pid 5098] ftruncate(5, 100663296 [pid 5096] <... futex resumed>) = 0 [pid 5092] +++ exited with 0 +++ [pid 5088] +++ exited with 0 +++ [pid 5097] <... ftruncate resumed>) = 0 [pid 5096] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5097] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... mmap resumed>) = 0x7fecab023000 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5097] <... futex resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5098] <... ftruncate resumed>) = 0 [pid 5097] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5060] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... restart_syscall resumed>) = 0 [pid 5095] <... mprotect resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... openat resumed>) = 3 [pid 5095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5058] <... openat resumed>) = 3 [pid 5095] <... clone3 resumed> => {parent_tid=[5107]}, 88) = 5107 [pid 5095] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5095] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] <... futex resumed>) = 0 [pid 5096] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5096] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... futex resumed>) = 1 [pid 5098] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000./strace-static-x86_64: Process 5107 attached [pid 5060] newfstatat(3, "", [pid 5058] newfstatat(3, "", [pid 5107] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5107] <... rseq resumed>) = 0 [pid 5060] getdents64(3, [pid 5107] set_robust_list(0x7fecab0439a0, 24 [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5107] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5058] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] unlink("./1/binderfs" [pid 5107] <... openat resumed>) = 6 [pid 5058] <... unlink resumed>) = 0 [pid 5058] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... openat resumed>) = 6 [pid 5062] <... umount2 resumed>) = 0 [pid 5107] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5095] <... futex resumed>) = 0 [pid 5107] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5095] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5097] <... futex resumed>) = 0 [pid 5096] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 1 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5097] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5096] <... futex resumed>) = 0 [pid 5095] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(AT_FDCWD, "./1/file0", [pid 5097] <... openat resumed>) = 7 [pid 5096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] unlink("./1/binderfs" [pid 5097] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5097] <... futex resumed>) = 1 [pid 5096] <... mmap resumed>) = 0x7fecab023000 [pid 5098] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5095] <... futex resumed>) = 0 [pid 5062] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5096] <... mprotect resumed>) = 0 [pid 5098] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5095] exit_group(0 [pid 5062] <... openat resumed>) = 4 [pid 5060] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5107] <... futex resumed>) = ? [pid 5097] <... futex resumed>) = ? [pid 5095] <... exit_group resumed>) = ? [pid 5062] newfstatat(4, "", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] +++ exited with 0 +++ [pid 5096] <... clone3 resumed> => {parent_tid=[5108]}, 88) = 5108 [pid 5061] newfstatat(AT_FDCWD, "./1/file0", ./strace-static-x86_64: Process 5108 attached [pid 5107] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5108] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] getdents64(4, [pid 5061] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5108] <... rseq resumed>) = 0 [pid 5096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5108] set_robust_list(0x7fecab0439a0, 24 [pid 5096] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5108] rt_sigprocmask(SIG_SETMASK, [], [pid 5096] <... futex resumed>) = 0 [pid 5057] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5096] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5108] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5057] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5108] <... openat resumed>) = 7 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... openat resumed>) = 3 [pid 5108] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... openat resumed>) = 4 [pid 5057] newfstatat(3, "", [pid 5108] <... futex resumed>) = 1 [pid 5096] <... futex resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5108] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5096] exit_group(0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, [pid 5098] <... futex resumed>) = ? [pid 5096] <... exit_group resumed>) = ? [pid 5061] getdents64(4, [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5108] <... futex resumed>) = ? [pid 5098] +++ exited with 0 +++ [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5108] +++ exited with 0 +++ [pid 5096] +++ exited with 0 +++ [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] unlink("./1/binderfs" [pid 5062] getdents64(4, [pid 5061] getdents64(4, [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5057] <... unlink resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(4 [pid 5061] close(4 [pid 5062] <... close resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5062] rmdir("./1/file0") = 0 [pid 5059] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] getdents64(3, [pid 5059] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5062] close(3) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] rmdir("./1" [pid 5059] unlink("./1/binderfs" [pid 5062] <... rmdir resumed>) = 0 [pid 5059] <... unlink resumed>) = 0 [pid 5062] mkdir("./2", 0777 [pid 5059] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... mkdir resumed>) = 0 [pid 5061] rmdir("./1/file0" [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] <... rmdir resumed>) = 0 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] getdents64(3, [pid 5062] close(3) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] close(3) = 0 [pid 5061] rmdir("./1" [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5109 [pid 5061] <... rmdir resumed>) = 0 [pid 5061] mkdir("./2", 0777./strace-static-x86_64: Process 5109 attached [pid 5109] set_robust_list(0x55555568a6a0, 24 [pid 5061] <... mkdir resumed>) = 0 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5109] chdir("./2" [pid 5061] <... openat resumed>) = 3 [pid 5109] <... chdir resumed>) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5109] <... prctl resumed>) = 0 [pid 5061] close(3 [pid 5109] setpgid(0, 0 [pid 5061] <... close resumed>) = 0 [pid 5109] <... setpgid resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... umount2 resumed>) = 0 [pid 5058] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5110 [pid 5110] set_robust_list(0x55555568a6a0, 24 [pid 5057] <... umount2 resumed>) = 0 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./1/file0", [pid 5110] chdir("./2" [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... chdir resumed>) = 0 [pid 5109] <... openat resumed>) = 3 [pid 5058] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] write(3, "1000", 4 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... prctl resumed>) = 0 [pid 5109] <... write resumed>) = 4 [pid 5058] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] newfstatat(AT_FDCWD, "./1/file0", [pid 5110] setpgid(0, 0 [pid 5109] close(3 [pid 5110] <... setpgid resumed>) = 0 [pid 5109] <... close resumed>) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... openat resumed>) = 3 [pid 5109] symlink("/dev/binderfs", "./binderfs" [pid 5058] newfstatat(4, "", [pid 5110] write(3, "1000", 4 [pid 5109] <... symlink resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] <... write resumed>) = 4 [pid 5057] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5110] close(3 [pid 5058] getdents64(4, [pid 5110] <... close resumed>) = 0 [pid 5109] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... openat resumed>) = 4 [pid 5110] symlink("/dev/binderfs", "./binderfs" [pid 5109] <... futex resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] newfstatat(4, "", [pid 5110] <... symlink resumed>) = 0 [pid 5109] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] getdents64(4, [pid 5109] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5110] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] close(4 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... close resumed>) = 0 [pid 5057] getdents64(4, [pid 5110] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] rmdir("./1/file0" [pid 5110] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5109] <... mmap resumed>) = 0x7fecab044000 [pid 5058] <... rmdir resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5110] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5109] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5057] getdents64(4, [pid 5109] <... mprotect resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(4 [pid 5109] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./1/file0" [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5109] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] getdents64(3, [pid 5109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5058] close(3 [pid 5057] getdents64(3, ./strace-static-x86_64: Process 5111 attached [pid 5110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5109] <... clone3 resumed> => {parent_tid=[5111]}, 88) = 5111 [pid 5058] <... close resumed>) = 0 [pid 5111] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5110] <... mmap resumed>) = 0x7fecab044000 [pid 5109] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] rmdir("./1" [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5111] <... rseq resumed>) = 0 [pid 5110] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5111] set_robust_list(0x7fecab0649a0, 24 [pid 5110] <... mprotect resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] mkdir("./2", 0777 [pid 5111] rt_sigprocmask(SIG_SETMASK, [], [pid 5110] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5109] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... mkdir resumed>) = 0 [pid 5111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5110] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5109] <... futex resumed>) = 0 [pid 5057] close(3 [pid 5111] memfd_create("syzkaller", 0) = 3 [pid 5110] <... clone3 resumed> => {parent_tid=[5112]}, 88) = 5112 [pid 5109] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5110] rt_sigprocmask(SIG_SETMASK, [], [pid 5111] <... mmap resumed>) = 0x7feca2c44000 [pid 5110] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5112 attached [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5057] <... close resumed>) = 0 [pid 5112] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5110] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5112] <... rseq resumed>) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5112] set_robust_list(0x7fecab0649a0, 24 [pid 5110] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5112] <... set_robust_list resumed>) = 0 [pid 5058] close(3 [pid 5112] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... close resumed>) = 0 [pid 5112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5057] rmdir("./1" [pid 5112] memfd_create("syzkaller", 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] <... rmdir resumed>) = 0 [pid 5059] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5059] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(4, [pid 5112] <... memfd_create resumed>) = 3 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] getdents64(4, [pid 5112] <... mmap resumed>) = 0x7feca2c44000 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5113 [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./1/file0" [pid 5057] mkdir("./2", 0777 [pid 5059] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5113 attached [pid 5059] getdents64(3, [pid 5113] set_robust_list(0x55555568a6a0, 24 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5059] close(3 [pid 5113] chdir("./2" [pid 5059] <... close resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5113] <... chdir resumed>) = 0 [pid 5059] rmdir("./1" [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] <... rmdir resumed>) = 0 [pid 5113] <... prctl resumed>) = 0 [pid 5059] mkdir("./2", 0777 [pid 5113] setpgid(0, 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5113] <... setpgid resumed>) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... openat resumed>) = 3 [pid 5113] <... openat resumed>) = 3 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5113] write(3, "1000", 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... openat resumed>) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5060] newfstatat(AT_FDCWD, "./1/file0", [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] close(3 [pid 5057] close(3 [pid 5113] <... write resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... close resumed>) = 0 [pid 5113] close(3 [pid 5060] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... close resumed>) = 0 [pid 5113] <... close resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] newfstatat(4, "", ./strace-static-x86_64: Process 5114 attached [pid 5113] symlink("/dev/binderfs", "./binderfs" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5114] set_robust_list(0x55555568a6a0, 24 [pid 5113] <... symlink resumed>) = 0 [pid 5060] getdents64(4, [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5114 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] chdir("./2" [pid 5113] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5114] <... chdir resumed>) = 0 [pid 5060] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] close(4 [pid 5114] <... prctl resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5113] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] rmdir("./1/file0" [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5115 [pid 5113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5060] getdents64(3, [pid 5114] <... setpgid resumed>) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5115 attached [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5115] set_robust_list(0x55555568a6a0, 24 [pid 5114] <... openat resumed>) = 3 [pid 5113] <... mprotect resumed>) = 0 [pid 5060] close(3 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5114] write(3, "1000", 4 [pid 5113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... close resumed>) = 0 [pid 5114] <... write resumed>) = 4 [pid 5115] chdir("./2" [pid 5114] close(3 [pid 5113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5114] <... close resumed>) = 0 [pid 5115] <... chdir resumed>) = 0 [pid 5114] symlink("/dev/binderfs", "./binderfs" [pid 5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5116 attached [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] <... symlink resumed>) = 0 [pid 5116] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5114] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... rseq resumed>) = 0 [pid 5060] rmdir("./1" [pid 5116] set_robust_list(0x7fecab0649a0, 24 [pid 5114] <... futex resumed>) = 0 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] <... prctl resumed>) = 0 [pid 5114] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5113] <... clone3 resumed> => {parent_tid=[5116]}, 88) = 5116 [pid 5060] <... rmdir resumed>) = 0 [pid 5113] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5113] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] setpgid(0, 0 [pid 5113] <... futex resumed>) = 0 [pid 5115] <... setpgid resumed>) = 0 [pid 5113] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5116] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] write(3, "1000", 4 [pid 5114] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] mkdir("./2", 0777 [pid 5115] <... write resumed>) = 4 [pid 5116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5115] close(3 [pid 5114] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5060] <... mkdir resumed>) = 0 [pid 5116] memfd_create("syzkaller", 0 [pid 5115] <... close resumed>) = 0 [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5115] symlink("/dev/binderfs", "./binderfs" [pid 5114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5116] <... memfd_create resumed>) = 3 [pid 5115] <... symlink resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5114] <... mmap resumed>) = 0x7fecab044000 [pid 5116] <... mmap resumed>) = 0x7feca2c44000 [pid 5115] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5114] <... mprotect resumed>) = 0 [pid 5060] close(3 [pid 5115] <... futex resumed>) = 0 [pid 5115] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5114] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... close resumed>) = 0 [pid 5115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5115] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 5117 attached [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5117] set_robust_list(0x55555568a6a0, 24 [pid 5115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5117 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5117] chdir("./2") = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] setpgid(0, 0 [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5114] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5114] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5115] <... clone3 resumed> => {parent_tid=[5118]}, 88) = 5118 ./strace-static-x86_64: Process 5119 attached [pid 5115] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5118 attached [pid 5119] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5117] <... setpgid resumed>) = 0 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] <... rseq resumed>) = 0 [pid 5118] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... clone3 resumed> => {parent_tid=[5119]}, 88) = 5119 [pid 5119] set_robust_list(0x7fecab0649a0, 24 [pid 5118] <... rseq resumed>) = 0 [pid 5115] <... futex resumed>) = 0 [pid 5114] rt_sigprocmask(SIG_SETMASK, [], [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] set_robust_list(0x7fecab0649a0, 24 [pid 5117] <... openat resumed>) = 3 [pid 5115] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] rt_sigprocmask(SIG_SETMASK, [], [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] write(3, "1000", 4 [pid 5119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5118] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] <... write resumed>) = 4 [pid 5119] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] close(3 [pid 5118] memfd_create("syzkaller", 0 [pid 5117] <... close resumed>) = 0 [pid 5114] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... memfd_create resumed>) = 3 [pid 5117] symlink("/dev/binderfs", "./binderfs" [pid 5119] <... futex resumed>) = 0 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5117] <... symlink resumed>) = 0 [pid 5114] <... futex resumed>) = 1 [pid 5119] memfd_create("syzkaller", 0 [pid 5118] <... mmap resumed>) = 0x7feca2c44000 [pid 5117] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5119] <... memfd_create resumed>) = 3 [pid 5117] <... futex resumed>) = 0 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5117] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5119] <... mmap resumed>) = 0x7feca2c44000 [pid 5117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5117] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5120]}, 88) = 5120 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5117] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5120 attached [pid 5117] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5120] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5120] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5111] <... write resumed>) = 4194304 [pid 5111] munmap(0x7feca2c44000, 138412032) = 0 [pid 5120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5111] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5111] ioctl(4, LOOP_SET_FD, 3 [pid 5112] <... write resumed>) = 4194304 [pid 5111] <... ioctl resumed>) = 0 [pid 5111] close(3) = 0 [pid 5112] munmap(0x7feca2c44000, 138412032) = 0 [pid 5111] mkdir("./file0", 0777 [pid 5112] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5111] <... mkdir resumed>) = 0 [pid 5111] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5112] <... openat resumed>) = 4 [ 73.364319][ T5111] loop5: detected capacity change from 0 to 8192 [pid 5112] ioctl(4, LOOP_SET_FD, 3) = 0 [ 73.405148][ T5112] loop4: detected capacity change from 0 to 8192 [ 73.417758][ T5111] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.446494][ T5111] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5112] close(3 [pid 5119] <... write resumed>) = 4194304 [pid 5116] <... write resumed>) = 4194304 [pid 5112] <... close resumed>) = 0 [pid 5116] munmap(0x7feca2c44000, 138412032) = 0 [pid 5112] mkdir("./file0", 0777 [pid 5119] munmap(0x7feca2c44000, 138412032 [pid 5116] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5112] <... mkdir resumed>) = 0 [pid 5116] <... openat resumed>) = 4 [pid 5112] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5116] ioctl(4, LOOP_SET_FD, 3 [pid 5119] <... munmap resumed>) = 0 [pid 5116] <... ioctl resumed>) = 0 [pid 5116] close(3) = 0 [pid 5116] mkdir("./file0", 0777) = 0 [pid 5116] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 73.456382][ T5111] REISERFS (device loop5): using ordered data mode [ 73.462919][ T5111] reiserfs: using flush barriers [ 73.470454][ T5111] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 73.484578][ T5116] loop1: detected capacity change from 0 to 8192 [ 73.489591][ T5111] REISERFS (device loop5): checking transaction log (loop5) [pid 5118] <... write resumed>) = 4194304 [pid 5120] <... write resumed>) = 4194304 [pid 5118] munmap(0x7feca2c44000, 138412032 [pid 5119] <... openat resumed>) = 4 [pid 5119] ioctl(4, LOOP_SET_FD, 3 [pid 5118] <... munmap resumed>) = 0 [pid 5120] munmap(0x7feca2c44000, 138412032 [pid 5119] <... ioctl resumed>) = 0 [ 73.501064][ T5112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.516505][ T5119] loop0: detected capacity change from 0 to 8192 [ 73.518379][ T5112] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 73.524337][ T5111] REISERFS (device loop5): Using r5 hash to sort names [ 73.533426][ T5112] REISERFS (device loop4): using ordered data mode [pid 5118] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5120] <... munmap resumed>) = 0 [pid 5119] close(3 [pid 5118] ioctl(4, LOOP_SET_FD, 3 [pid 5120] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5119] <... close resumed>) = 0 [pid 5118] <... ioctl resumed>) = 0 [pid 5120] <... openat resumed>) = 4 [pid 5119] mkdir("./file0", 0777 [pid 5111] <... mount resumed>) = 0 [pid 5118] close(3) = 0 [pid 5111] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5118] mkdir("./file0", 0777 [pid 5111] <... openat resumed>) = 3 [ 73.542488][ T5116] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.546309][ T5118] loop2: detected capacity change from 0 to 8192 [ 73.559195][ T5112] reiserfs: using flush barriers [ 73.566370][ T5116] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 73.573486][ T5112] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 73.582384][ T5116] REISERFS (device loop1): using ordered data mode [pid 5118] <... mkdir resumed>) = 0 [pid 5120] ioctl(4, LOOP_SET_FD, 3 [pid 5119] <... mkdir resumed>) = 0 [pid 5118] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5111] chdir("./file0") = 0 [pid 5111] ioctl(4, LOOP_CLR_FD) = 0 [pid 5111] close(4) = 0 [pid 5111] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5111] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... futex resumed>) = 0 [pid 5109] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5111] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5111] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5119] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 73.597969][ T5112] REISERFS (device loop4): checking transaction log (loop4) [ 73.604976][ T5116] reiserfs: using flush barriers [ 73.609382][ T5120] loop3: detected capacity change from 0 to 8192 [ 73.617385][ T5111] reiserfs: enabling write barrier flush mode [ 73.633689][ T5112] REISERFS (device loop4): Using r5 hash to sort names [ 73.640897][ T5118] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5109] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5120] <... ioctl resumed>) = 0 [pid 5120] close(3 [pid 5112] <... mount resumed>) = 0 [pid 5120] <... close resumed>) = 0 [pid 5120] mkdir("./file0", 0777) = 0 [pid 5120] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5112] chdir("./file0") = 0 [pid 5112] ioctl(4, LOOP_CLR_FD) = 0 [pid 5112] close(4) = 0 [pid 5112] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5112] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... futex resumed>) = 0 [pid 5112] mkdir(".", 0777 [pid 5110] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5112] <... mkdir resumed>) = -1 EEXIST (File exists) [ 73.656885][ T5111] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 73.666333][ T5112] reiserfs: enabling write barrier flush mode [ 73.675984][ T5120] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.685492][ T5119] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5112] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5111] <... mount resumed>) = 0 [pid 5111] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5111] chdir(".") = 0 [pid 5111] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5111] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... futex resumed>) = 0 [ 73.702475][ T5118] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 73.704439][ T5116] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 73.719752][ T5119] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 73.729233][ T5120] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 73.737040][ T5119] REISERFS (device loop0): using ordered data mode [ 73.752790][ T5119] reiserfs: using flush barriers [pid 5111] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5109] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] <... openat resumed>) = 5 [pid 5111] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5111] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5111] ftruncate(5, 100663296) = 0 [pid 5109] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5111] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... mount resumed>) = 0 [pid 5111] <... futex resumed>) = 1 [pid 5111] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] <... futex resumed>) = 0 [pid 5109] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5112] chdir(".") = 0 [pid 5112] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5112] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = 0 [pid 5109] <... futex resumed>) = 1 [pid 5111] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5110] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 73.763423][ T5112] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 73.773553][ T5118] REISERFS (device loop2): using ordered data mode [ 73.781556][ T5119] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 73.788627][ T5118] reiserfs: using flush barriers [ 73.801035][ T5119] REISERFS (device loop0): checking transaction log (loop0) [pid 5109] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... futex resumed>) = 0 [pid 5111] <... openat resumed>) = 6 [pid 5110] <... futex resumed>) = 1 [pid 5112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5119] <... mount resumed>) = 0 [pid 5112] <... openat resumed>) = 5 [pid 5111] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 73.825018][ T5120] REISERFS (device loop3): using ordered data mode [ 73.827137][ T5119] REISERFS (device loop0): Using r5 hash to sort names [ 73.831555][ T5120] reiserfs: using flush barriers [ 73.835866][ T5116] REISERFS (device loop1): checking transaction log (loop1) [ 73.842422][ T5118] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5112] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5111] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5109] <... futex resumed>) = 0 [pid 5119] <... openat resumed>) = 3 [pid 5111] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5110] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] chdir("./file0" [pid 5111] <... openat resumed>) = 7 [pid 5110] <... futex resumed>) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5118] <... mount resumed>) = 0 [pid 5109] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] <... chdir resumed>) = 0 [pid 5110] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] <... futex resumed>) = 0 [pid 5112] ftruncate(5, 100663296 [pid 5116] <... mount resumed>) = 0 [pid 5116] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5116] chdir("./file0" [pid 5120] <... mount resumed>) = 0 [pid 5119] ioctl(4, LOOP_CLR_FD [pid 5118] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5112] <... ftruncate resumed>) = 0 [pid 5111] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5119] <... ioctl resumed>) = 0 [pid 5118] <... openat resumed>) = 3 [pid 5116] <... chdir resumed>) = 0 [pid 5112] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] <... futex resumed>) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5119] close(4 [pid 5116] ioctl(4, LOOP_CLR_FD [pid 5112] <... futex resumed>) = 1 [pid 5111] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] <... futex resumed>) = 0 [pid 5120] <... openat resumed>) = 3 [pid 5119] <... close resumed>) = 0 [pid 5118] chdir("./file0" [pid 5116] <... ioctl resumed>) = 0 [pid 5112] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5109] exit_group(0 [pid 5120] chdir("./file0" [pid 5119] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... chdir resumed>) = 0 [pid 5116] close(4 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5110] <... futex resumed>) = 0 [pid 5120] <... chdir resumed>) = 0 [pid 5119] <... futex resumed>) = 1 [pid 5118] ioctl(4, LOOP_CLR_FD [pid 5116] <... close resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5112] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5111] <... futex resumed>) = ? [pid 5110] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5109] <... exit_group resumed>) = ? [pid 5120] ioctl(4, LOOP_CLR_FD [pid 5119] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... ioctl resumed>) = 0 [pid 5116] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5111] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ [pid 5120] <... ioctl resumed>) = 0 [pid 5118] close(4 [pid 5116] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5114] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5113] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5118] <... close resumed>) = 0 [ 73.844840][ T5120] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 73.852800][ T5118] REISERFS (device loop2): checking transaction log (loop2) [ 73.868941][ T5116] REISERFS (device loop1): Using r5 hash to sort names [ 73.885769][ T5118] REISERFS (device loop2): Using r5 hash to sort names [ 73.892641][ T5120] REISERFS (device loop3): checking transaction log (loop3) [ 73.918493][ T5120] REISERFS (device loop3): Using r5 hash to sort names [pid 5116] mkdir(".", 0777 [pid 5113] <... futex resumed>) = 0 [pid 5062] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] close(4 [pid 5119] mkdir(".", 0777 [pid 5118] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5113] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5118] <... futex resumed>) = 1 [pid 5116] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5115] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5120] <... close resumed>) = 0 [pid 5119] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5118] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 3 [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5062] newfstatat(3, "", [pid 5118] mkdir(".", 0777 [pid 5115] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5120] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5112] <... openat resumed>) = 6 [pid 5062] getdents64(3, [pid 5120] <... futex resumed>) = 1 [pid 5118] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5117] <... futex resumed>) = 0 [pid 5112] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5120] mkdir(".", 0777 [pid 5117] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... futex resumed>) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5062] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5117] <... futex resumed>) = 0 [pid 5112] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5110] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5117] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5112] <... openat resumed>) = 7 [pid 5110] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5112] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5110] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5112] <... futex resumed>) = 0 [pid 5110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] unlink("./2/binderfs" [pid 5112] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5110] exit_group(0 [pid 5062] <... unlink resumed>) = 0 [pid 5112] <... futex resumed>) = ? [pid 5110] <... exit_group resumed>) = ? [pid 5062] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] +++ exited with 0 +++ [pid 5110] +++ exited with 0 +++ [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- [ 73.956439][ T5116] reiserfs: enabling write barrier flush mode [ 73.967849][ T5119] reiserfs: enabling write barrier flush mode [ 73.987851][ T5118] reiserfs: enabling write barrier flush mode [ 73.999332][ T5120] reiserfs: enabling write barrier flush mode [pid 5061] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./2/binderfs") = 0 [ 74.016512][ T5116] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 74.035651][ T5118] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 74.045507][ T5119] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5061] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] <... mount resumed>) = 0 [pid 5120] <... mount resumed>) = 0 [pid 5119] <... mount resumed>) = 0 [pid 5118] <... mount resumed>) = 0 [pid 5120] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5119] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5118] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5120] <... openat resumed>) = 4 [pid 5119] <... openat resumed>) = 4 [pid 5118] <... openat resumed>) = 4 [pid 5120] chdir("." [pid 5119] chdir("." [pid 5118] chdir("." [pid 5120] <... chdir resumed>) = 0 [pid 5119] <... chdir resumed>) = 0 [pid 5118] <... chdir resumed>) = 0 [pid 5120] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 1 [pid 5118] <... futex resumed>) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5120] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5117] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5120] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5119] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5114] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... openat resumed>) = 5 [pid 5117] <... futex resumed>) = 0 [pid 5115] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... futex resumed>) = 1 [pid 5119] <... openat resumed>) = 5 [pid 5118] <... futex resumed>) = 0 [pid 5116] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5115] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5116] <... openat resumed>) = 4 [pid 5120] <... futex resumed>) = 1 [pid 5118] <... openat resumed>) = 5 [pid 5117] <... futex resumed>) = 0 [pid 5120] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5119] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5120] ftruncate(5, 100663296 [pid 5119] <... futex resumed>) = 1 [pid 5118] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5119] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5115] <... futex resumed>) = 0 [pid 5116] chdir("." [pid 5115] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [ 74.061956][ T5120] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5118] ftruncate(5, 100663296 [pid 5116] <... chdir resumed>) = 0 [pid 5114] <... futex resumed>) = 1 [pid 5120] <... ftruncate resumed>) = 0 [pid 5119] ftruncate(5, 100663296 [pid 5118] <... ftruncate resumed>) = 0 [pid 5116] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5116] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5113] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... openat resumed>) = 5 [pid 5113] <... futex resumed>) = 0 [pid 5119] <... ftruncate resumed>) = 0 [pid 5113] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5117] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 6 [pid 5116] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] <... futex resumed>) = 0 [pid 5115] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5119] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = 0 [pid 5114] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] <... futex resumed>) = 0 [pid 5114] <... futex resumed>) = 1 [pid 5113] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5119] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5114] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] ftruncate(5, 100663296 [pid 5115] <... futex resumed>) = 0 [pid 5118] <... futex resumed>) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5118] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... mmap resumed>) = 0x7fecab023000 [pid 5115] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5117] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5115] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5117] <... mmap resumed>) = 0x7fecab023000 [pid 5117] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0}./strace-static-x86_64: Process 5127 attached [pid 5127] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5120] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] set_robust_list(0x7fecab0439a0, 24 [pid 5120] <... futex resumed>) = 0 [pid 5117] <... clone3 resumed> => {parent_tid=[5128]}, 88) = 5128 [pid 5117] rt_sigprocmask(SIG_SETMASK, [], [pid 5127] <... set_robust_list resumed>) = 0 [pid 5120] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] rt_sigprocmask(SIG_SETMASK, [], [pid 5117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5117] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5128 attached ) = 0 [pid 5128] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5119] <... openat resumed>) = 6 [pid 5117] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5115] <... clone3 resumed> => {parent_tid=[5127]}, 88) = 5127 [pid 5127] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] rt_sigprocmask(SIG_SETMASK, [], [pid 5128] <... rseq resumed>) = 0 [pid 5116] <... ftruncate resumed>) = 0 [pid 5115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5128] set_robust_list(0x7fecab0439a0, 24 [pid 5119] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5114] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5128] <... set_robust_list resumed>) = 0 [pid 5119] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5128] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5128] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5119] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5119] <... futex resumed>) = 1 [pid 5114] <... futex resumed>) = 0 [pid 5114] exit_group(0) = ? [pid 5119] +++ exited with 0 +++ [pid 5116] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5115] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] +++ exited with 0 +++ [pid 5113] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = 0 [pid 5127] <... futex resumed>) = 0 [pid 5116] <... futex resumed>) = 0 [pid 5115] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5061] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5127] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5116] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5128] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5057] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5128] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... mmap resumed>) = 0x7fecab023000 [pid 5057] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5113] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5061] newfstatat(AT_FDCWD, "./2/file0", [pid 5057] <... openat resumed>) = 3 [pid 5117] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] newfstatat(3, "", [pid 5113] <... mprotect resumed>) = 0 [pid 5117] exit_group(0 [pid 5061] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] getdents64(3, [pid 5113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5128] <... futex resumed>) = ? [pid 5120] <... futex resumed>) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5061] <... openat resumed>) = 4 [pid 5057] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] +++ exited with 0 +++ [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5113] <... clone3 resumed> => {parent_tid=[5129]}, 88) = 5129 [pid 5061] newfstatat(4, "", [pid 5113] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] unlink("./2/binderfs"./strace-static-x86_64: Process 5129 attached [pid 5128] +++ exited with 0 +++ [pid 5127] <... openat resumed>) = 6 [pid 5117] +++ exited with 0 +++ [pid 5113] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5057] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5129] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5127] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 0 [pid 5061] getdents64(4, [pid 5129] <... rseq resumed>) = 0 [pid 5113] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5129] set_robust_list(0x7fecab0439a0, 24 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5129] <... set_robust_list resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5129] rt_sigprocmask(SIG_SETMASK, [], [pid 5115] <... futex resumed>) = 0 [pid 5129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5129] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5115] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5127] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 1 [pid 5061] getdents64(4, [pid 5060] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5115] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5127] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5118] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5061] close(4 [pid 5060] newfstatat(3, "", [pid 5061] <... close resumed>) = 0 [pid 5118] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5118] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./2/file0" [pid 5118] <... futex resumed>) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5118] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] exit_group(0 [pid 5118] <... futex resumed>) = ? [pid 5127] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? [pid 5118] +++ exited with 0 +++ [pid 5062] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5127] +++ exited with 0 +++ [pid 5115] +++ exited with 0 +++ [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] newfstatat(AT_FDCWD, "./2/file0", [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5060] getdents64(3, [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(3, [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] close(3 [pid 5060] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5062] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5129] <... openat resumed>) = 6 [pid 5062] <... openat resumed>) = 4 [pid 5061] rmdir("./2" [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] close(4 [pid 5129] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] unlink("./2/binderfs" [pid 5059] <... openat resumed>) = 3 [pid 5129] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5129] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] rmdir("./2/file0" [pid 5061] mkdir("./3", 0777 [pid 5060] <... unlink resumed>) = 0 [pid 5059] newfstatat(3, "", [pid 5116] <... futex resumed>) = 0 [pid 5113] <... futex resumed>) = 1 [pid 5116] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5113] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5116] <... openat resumed>) = 7 [pid 5062] <... rmdir resumed>) = 0 [pid 5116] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] getdents64(3, [pid 5116] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] getdents64(3, [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./2") = 0 [pid 5062] mkdir("./3", 0777 [pid 5113] exit_group(0 [pid 5129] <... futex resumed>) = ? [pid 5116] <... futex resumed>) = ? [pid 5113] <... exit_group resumed>) = ? [pid 5062] <... mkdir resumed>) = 0 [pid 5060] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5129] +++ exited with 0 +++ [pid 5116] +++ exited with 0 +++ [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./2/binderfs" [pid 5061] <... mkdir resumed>) = 0 [pid 5062] close(3 [pid 5113] +++ exited with 0 +++ [pid 5062] <... close resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5059] <... unlink resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5061] <... openat resumed>) = 3 [pid 5059] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5130 ./strace-static-x86_64: Process 5130 attached [pid 5130] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5130] chdir("./3" [pid 5058] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] <... chdir resumed>) = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] setpgid(0, 0) = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5130] write(3, "1000", 4) = 4 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] <... openat resumed>) = 3 [pid 5130] close(3) = 0 [pid 5130] symlink("/dev/binderfs", "./binderfs" [pid 5061] close(3 [pid 5058] newfstatat(3, "", [pid 5130] <... symlink resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5130] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] getdents64(3, [pid 5130] <... futex resumed>) = 0 [pid 5130] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5131 [pid 5058] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5130] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5130] <... mprotect resumed>) = 0 [pid 5058] unlink("./2/binderfs" [pid 5057] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5131 attached [pid 5130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] <... unlink resumed>) = 0 [pid 5131] set_robust_list(0x55555568a6a0, 24 [pid 5130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5131] <... set_robust_list resumed>) = 0 [pid 5130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5131] chdir("./3") = 0 [pid 5130] <... clone3 resumed> => {parent_tid=[5132]}, 88) = 5132 [pid 5058] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5132 attached [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5132] <... rseq resumed>) = 0 [pid 5131] <... prctl resumed>) = 0 [pid 5130] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] set_robust_list(0x7fecab0649a0, 24 [pid 5131] setpgid(0, 0 [pid 5130] <... futex resumed>) = 0 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] <... setpgid resumed>) = 0 [pid 5130] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5132] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] <... openat resumed>) = 3 [pid 5132] memfd_create("syzkaller", 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5132] <... memfd_create resumed>) = 3 [pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5131] write(3, "1000", 4 [pid 5132] <... mmap resumed>) = 0x7feca2c44000 [pid 5131] <... write resumed>) = 4 [pid 5131] close(3) = 0 [pid 5057] newfstatat(AT_FDCWD, "./2/file0", [pid 5131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5131] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5131] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5131] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5131] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5131] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5133 attached [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5132] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5131] <... clone3 resumed> => {parent_tid=[5133]}, 88) = 5133 [pid 5133] <... rseq resumed>) = 0 [pid 5057] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5133] set_robust_list(0x7fecab0649a0, 24 [pid 5131] rt_sigprocmask(SIG_SETMASK, [], [pid 5133] <... set_robust_list resumed>) = 0 [pid 5057] <... openat resumed>) = 4 [pid 5133] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5131] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] memfd_create("syzkaller", 0 [pid 5131] <... futex resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5133] <... memfd_create resumed>) = 3 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5131] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] getdents64(4, [pid 5133] <... mmap resumed>) = 0x7feca2c44000 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(4) = 0 [pid 5057] rmdir("./2/file0") = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5057] rmdir("./2") = 0 [pid 5057] mkdir("./3", 0777) = 0 [pid 5133] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5059] <... umount2 resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5057] close(3 [pid 5060] <... umount2 resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5134 [pid 5059] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./2/file0", ./strace-static-x86_64: Process 5134 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5134] set_robust_list(0x55555568a6a0, 24 [pid 5060] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./2/file0", [pid 5134] <... set_robust_list resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5134] chdir("./3" [pid 5060] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5134] <... chdir resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5133] <... write resumed>) = 4194304 [pid 5132] <... write resumed>) = 4194304 [pid 5060] newfstatat(4, "", [pid 5134] <... prctl resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5134] setpgid(0, 0 [pid 5060] getdents64(4, [pid 5059] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5134] <... setpgid resumed>) = 0 [pid 5133] munmap(0x7feca2c44000, 138412032 [pid 5132] munmap(0x7feca2c44000, 138412032 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... umount2 resumed>) = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] getdents64(4, [pid 5134] <... openat resumed>) = 3 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5058] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5134] write(3, "1000", 4 [pid 5060] close(4 [pid 5059] newfstatat(4, "", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5134] <... write resumed>) = 4 [pid 5132] <... munmap resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5134] close(3 [pid 5060] rmdir("./2/file0" [pid 5058] newfstatat(AT_FDCWD, "./2/file0", [pid 5134] <... close resumed>) = 0 [pid 5133] <... munmap resumed>) = 0 [pid 5132] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5060] <... rmdir resumed>) = 0 [pid 5059] getdents64(4, [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5134] symlink("/dev/binderfs", "./binderfs" [pid 5133] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5132] <... openat resumed>) = 4 [pid 5058] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5134] <... symlink resumed>) = 0 [pid 5133] <... openat resumed>) = 4 [pid 5132] ioctl(4, LOOP_SET_FD, 3 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5134] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] ioctl(4, LOOP_SET_FD, 3 [pid 5060] getdents64(3, [pid 5058] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5134] <... futex resumed>) = 0 [pid 5132] <... ioctl resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] getdents64(4, [pid 5058] <... openat resumed>) = 4 [pid 5132] close(3 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] newfstatat(4, "", [pid 5132] <... close resumed>) = 0 [pid 5059] close(4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5132] mkdir("./file0", 0777 [pid 5059] <... close resumed>) = 0 [pid 5058] getdents64(4, [pid 5132] <... mkdir resumed>) = 0 [pid 5059] rmdir("./2/file0" [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5134] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] close(3 [pid 5058] close(4 [pid 5134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5133] <... ioctl resumed>) = 0 [pid 5132] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5060] <... close resumed>) = 0 [pid 5059] getdents64(3, [pid 5058] <... close resumed>) = 0 [pid 5134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5133] close(3 [pid 5060] rmdir("./2" [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] close(3 [pid 5058] rmdir("./2/file0" [pid 5134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5133] <... close resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5134] <... mmap resumed>) = 0x7fecab044000 [pid 5133] mkdir("./file0", 0777 [pid 5059] <... close resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5134] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5133] <... mkdir resumed>) = 0 [pid 5060] mkdir("./3", 0777 [pid 5134] <... mprotect resumed>) = 0 [pid 5134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... mkdir resumed>) = 0 [pid 5134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5136]}, 88) = 5136 [pid 5133] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, ""./strace-static-x86_64: Process 5136 attached [pid 5134] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5136] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] <... rseq resumed>) = 0 [pid 5136] set_robust_list(0x7fecab0649a0, 24 [pid 5134] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 3 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5136] rt_sigprocmask(SIG_SETMASK, [], [pid 5134] <... futex resumed>) = 0 [pid 5136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5134] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5136] memfd_create("syzkaller", 0 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 74.608711][ T5132] loop5: detected capacity change from 0 to 8192 [ 74.608775][ T5133] loop4: detected capacity change from 0 to 8192 [ 74.638947][ T5132] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5060] close(3 [pid 5136] <... memfd_create resumed>) = 3 [pid 5059] rmdir("./2" [pid 5058] getdents64(3, [pid 5060] <... close resumed>) = 0 [pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... rmdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5138 [pid 5059] mkdir("./3", 0777 [pid 5058] close(3./strace-static-x86_64: Process 5138 attached [pid 5138] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5138] chdir("./3") = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] setpgid(0, 0) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3) = 0 [pid 5138] symlink("/dev/binderfs", "./binderfs") = 0 [ 74.652403][ T5132] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 74.655303][ T5133] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 74.675922][ T5133] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 74.685141][ T5132] REISERFS (device loop5): using ordered data mode [ 74.685157][ T5132] reiserfs: using flush barriers [pid 5138] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5138] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5138] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5058] rmdir("./2" [pid 5059] <... openat resumed>) = 3 [pid 5138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5058] <... rmdir resumed>) = 0 [pid 5138] <... mmap resumed>) = 0x7fecab044000 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] mkdir("./3", 0777 [ 74.689631][ T5132] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 74.692480][ T5133] REISERFS (device loop4): using ordered data mode [ 74.712498][ T5132] REISERFS (device loop5): checking transaction log (loop5) [ 74.715500][ T5133] reiserfs: using flush barriers [ 74.743017][ T5132] REISERFS (device loop5): Using r5 hash to sort names [pid 5059] close(3 [pid 5138] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5136] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5059] <... close resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5138] <... mprotect resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5139 [pid 5138] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5138] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5140]}, 88) = 5140 [pid 5132] <... mount resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_SETMASK, [], [pid 5132] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5132] <... openat resumed>) = 3 [pid 5138] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5138] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5139 attached [pid 5132] chdir("./file0"./strace-static-x86_64: Process 5140 attached [pid 5139] set_robust_list(0x55555568a6a0, 24 [pid 5132] <... chdir resumed>) = 0 [pid 5140] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5132] ioctl(4, LOOP_CLR_FD [pid 5140] <... rseq resumed>) = 0 [pid 5139] chdir("./3" [pid 5132] <... ioctl resumed>) = 0 [pid 5140] set_robust_list(0x7fecab0649a0, 24 [pid 5139] <... chdir resumed>) = 0 [pid 5132] close(4 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] <... close resumed>) = 0 [pid 5140] rt_sigprocmask(SIG_SETMASK, [], [pid 5139] <... prctl resumed>) = 0 [pid 5132] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] setpgid(0, 0 [pid 5132] <... futex resumed>) = 1 [pid 5140] memfd_create("syzkaller", 0 [pid 5139] <... setpgid resumed>) = 0 [pid 5132] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5140] <... memfd_create resumed>) = 3 [pid 5130] <... futex resumed>) = 0 [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5140] <... mmap resumed>) = 0x7feca2c44000 [pid 5058] close(3) = 0 [pid 5139] <... openat resumed>) = 3 [pid 5130] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 1 [pid 5132] mkdir(".", 0777 [pid 5130] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5141 [ 74.752112][ T5133] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5132] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5132] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, ""./strace-static-x86_64: Process 5141 attached [pid 5139] write(3, "1000", 4) = 4 [pid 5139] close(3) = 0 [pid 5139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5141] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5139] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5141] chdir("./3" [pid 5139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5141] <... chdir resumed>) = 0 [pid 5139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5139] <... mmap resumed>) = 0x7fecab044000 [pid 5139] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5141] setpgid(0, 0) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5142]}, 88) = 5142 ./strace-static-x86_64: Process 5142 attached [pid 5141] <... openat resumed>) = 3 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5139] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5141] write(3, "1000", 4) = 4 [pid 5141] close(3) = 0 [ 74.799727][ T5132] reiserfs: enabling write barrier flush mode [ 74.811851][ T5133] REISERFS (device loop4): checking transaction log (loop4) [ 74.839483][ T5132] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5141] symlink("/dev/binderfs", "./binderfs" [pid 5142] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5141] <... symlink resumed>) = 0 [pid 5141] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... rseq resumed>) = 0 [pid 5141] <... futex resumed>) = 0 [pid 5142] set_robust_list(0x7fecab0649a0, 24 [pid 5141] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5142] <... set_robust_list resumed>) = 0 [pid 5141] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5141] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5142] memfd_create("syzkaller", 0 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5142] <... memfd_create resumed>) = 3 [pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5142] <... mmap resumed>) = 0x7feca2c44000 [pid 5141] <... mmap resumed>) = 0x7fecab044000 [pid 5140] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5141] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5133] <... mount resumed>) = 0 [pid 5133] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5141] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5133] <... openat resumed>) = 3 [pid 5133] chdir("./file0" [pid 5132] <... mount resumed>) = 0 [pid 5133] <... chdir resumed>) = 0 [pid 5132] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5141] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5133] ioctl(4, LOOP_CLR_FD [pid 5132] <... openat resumed>) = 4 [pid 5133] <... ioctl resumed>) = 0 [pid 5141] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5133] close(4 [pid 5132] chdir("." [pid 5133] <... close resumed>) = 0 [pid 5133] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5132] <... chdir resumed>) = 0 [pid 5131] <... futex resumed>) = 0 [pid 5133] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... clone3 resumed> => {parent_tid=[5143]}, 88) = 5143 [pid 5132] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [ 74.861098][ T5133] REISERFS (device loop4): Using r5 hash to sort names [pid 5132] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5130] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5143 attached [pid 5141] rt_sigprocmask(SIG_SETMASK, [], [pid 5131] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5143] <... rseq resumed>) = 0 [pid 5141] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5141] <... futex resumed>) = 0 [pid 5133] <... futex resumed>) = 0 [pid 5131] <... futex resumed>) = 1 [pid 5141] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5131] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5143] set_robust_list(0x7fecab0649a0, 24 [pid 5136] <... write resumed>) = 4194304 [pid 5133] mkdir(".", 0777 [pid 5132] <... openat resumed>) = 5 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5136] munmap(0x7feca2c44000, 138412032 [pid 5133] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5133] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5143] rt_sigprocmask(SIG_SETMASK, [], [pid 5136] <... munmap resumed>) = 0 [pid 5132] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5136] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5132] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5143] memfd_create("syzkaller", 0 [pid 5130] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... memfd_create resumed>) = 3 [pid 5136] <... openat resumed>) = 4 [pid 5132] ftruncate(5, 100663296 [pid 5130] <... futex resumed>) = 0 [pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5136] ioctl(4, LOOP_SET_FD, 3 [pid 5130] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5132] <... ftruncate resumed>) = 0 [pid 5143] <... mmap resumed>) = 0x7feca2c44000 [ 74.927308][ T5133] reiserfs: enabling write barrier flush mode [ 74.961846][ T5136] loop0: detected capacity change from 0 to 8192 [pid 5136] <... ioctl resumed>) = 0 [pid 5136] close(3) = 0 [pid 5136] mkdir("./file0", 0777 [pid 5132] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... mkdir resumed>) = 0 [pid 5132] <... futex resumed>) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5136] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5132] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5130] <... futex resumed>) = 0 [pid 5132] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5130] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] <... mount resumed>) = 0 [pid 5133] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5133] chdir(".") = 0 [pid 5133] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5133] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5133] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5131] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5133] <... openat resumed>) = 5 [pid 5133] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... write resumed>) = 4194304 [ 74.981148][ T5133] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5140] munmap(0x7feca2c44000, 138412032 [pid 5132] <... openat resumed>) = 6 [pid 5132] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5130] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5130] <... futex resumed>) = 0 [pid 5133] ftruncate(5, 100663296 [pid 5131] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] <... munmap resumed>) = 0 [pid 5132] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5131] <... futex resumed>) = 0 [ 75.034150][ T5136] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5131] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5133] <... ftruncate resumed>) = 0 [pid 5132] <... openat resumed>) = 7 [pid 5140] <... openat resumed>) = 4 [pid 5140] ioctl(4, LOOP_SET_FD, 3 [pid 5132] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5130] <... futex resumed>) = 0 [pid 5132] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5130] exit_group(0) = ? [pid 5140] <... ioctl resumed>) = 0 [pid 5132] <... futex resumed>) = ? [pid 5143] <... write resumed>) = 4194304 [pid 5142] <... write resumed>) = 4194304 [pid 5133] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5131] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5143] munmap(0x7feca2c44000, 138412032 [pid 5142] munmap(0x7feca2c44000, 138412032 [pid 5140] close(3 [pid 5133] <... futex resumed>) = 0 [pid 5132] +++ exited with 0 +++ [pid 5131] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5130] +++ exited with 0 +++ [pid 5143] <... munmap resumed>) = 0 [pid 5142] <... munmap resumed>) = 0 [pid 5140] <... close resumed>) = 0 [pid 5133] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5131] <... futex resumed>) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [ 75.075915][ T5140] loop3: detected capacity change from 0 to 8192 [ 75.076840][ T5136] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 75.095471][ T5136] REISERFS (device loop0): using ordered data mode [ 75.102011][ T5136] reiserfs: using flush barriers [ 75.109076][ T5136] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5143] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5142] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5140] mkdir("./file0", 0777 [pid 5133] <... openat resumed>) = 6 [pid 5131] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... openat resumed>) = 4 [pid 5142] <... openat resumed>) = 4 [pid 5140] <... mkdir resumed>) = 0 [pid 5142] ioctl(4, LOOP_SET_FD, 3 [pid 5143] ioctl(4, LOOP_SET_FD, 3 [pid 5140] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5136] <... mount resumed>) = 0 [pid 5133] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] <... ioctl resumed>) = 0 [pid 5142] close(3) = 0 [pid 5142] mkdir("./file0", 0777 [pid 5143] <... ioctl resumed>) = 0 [pid 5136] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5133] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5062] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5143] close(3) = 0 [pid 5143] mkdir("./file0", 0777) = 0 [ 75.125885][ T5136] REISERFS (device loop0): checking transaction log (loop0) [ 75.134256][ T5136] REISERFS (device loop0): Using r5 hash to sort names [ 75.138635][ T5142] loop2: detected capacity change from 0 to 8192 [ 75.145138][ T5143] loop1: detected capacity change from 0 to 8192 [ 75.152569][ T5140] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 75.166926][ T5140] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5143] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5142] <... mkdir resumed>) = 0 [pid 5136] <... openat resumed>) = 3 [pid 5133] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5142] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5136] chdir("./file0" [pid 5133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5131] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5136] <... chdir resumed>) = 0 [pid 5133] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5131] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 3 [pid 5136] ioctl(4, LOOP_CLR_FD [pid 5133] <... openat resumed>) = 7 [pid 5136] <... ioctl resumed>) = 0 [pid 5133] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(3, "", [pid 5136] close(4 [pid 5133] <... futex resumed>) = 1 [pid 5131] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5136] <... close resumed>) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5136] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 75.176533][ T5140] REISERFS (device loop3): using ordered data mode [ 75.187303][ T5140] reiserfs: using flush barriers [ 75.189781][ T5143] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 75.205743][ T5143] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5136] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5131] exit_group(0 [pid 5062] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5134] <... futex resumed>) = 1 [pid 5133] <... futex resumed>) = ? [pid 5131] <... exit_group resumed>) = ? [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5136] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5136] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5136] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5134] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5133] +++ exited with 0 +++ [pid 5131] +++ exited with 0 +++ [pid 5062] unlink("./3/binderfs") = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5062] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 75.215661][ T5142] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 75.216077][ T5143] REISERFS (device loop1): using ordered data mode [ 75.233507][ T5140] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 75.236211][ T5143] reiserfs: using flush barriers [ 75.258777][ T5136] reiserfs: enabling write barrier flush mode [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./3/binderfs") = 0 [ 75.275996][ T5143] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 75.289924][ T5136] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 75.293302][ T5142] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5061] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5136] <... mount resumed>) = 0 [pid 5143] <... mount resumed>) = 0 [pid 5140] <... mount resumed>) = 0 [pid 5136] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5136] chdir(".") = 0 [pid 5136] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5134] <... futex resumed>) = 0 [pid 5143] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5140] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5136] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... openat resumed>) = 3 [pid 5136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 75.324843][ T5140] REISERFS (device loop3): checking transaction log (loop3) [ 75.335485][ T5143] REISERFS (device loop1): checking transaction log (loop1) [ 75.348086][ T5140] REISERFS (device loop3): Using r5 hash to sort names [ 75.355089][ T5143] REISERFS (device loop1): Using r5 hash to sort names [ 75.363389][ T5142] REISERFS (device loop2): using ordered data mode [pid 5134] <... futex resumed>) = 0 [pid 5143] <... openat resumed>) = 3 [pid 5140] chdir("./file0" [pid 5136] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5143] chdir("./file0" [pid 5140] <... chdir resumed>) = 0 [pid 5136] <... openat resumed>) = 5 [pid 5143] <... chdir resumed>) = 0 [pid 5134] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] ioctl(4, LOOP_CLR_FD [pid 5136] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... ioctl resumed>) = 0 [pid 5136] <... futex resumed>) = 1 [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] close(4 [pid 5140] ioctl(4, LOOP_CLR_FD [pid 5136] ftruncate(5, 100663296 [pid 5143] <... close resumed>) = 0 [pid 5140] <... ioctl resumed>) = 0 [pid 5136] <... ftruncate resumed>) = 0 [pid 5143] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] close(4 [pid 5134] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5140] <... close resumed>) = 0 [pid 5143] mkdir(".", 0777 [pid 5141] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5141] <... futex resumed>) = 0 [ 75.387260][ T5142] reiserfs: using flush barriers [pid 5140] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5143] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5141] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5138] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] mkdir(".", 0777 [pid 5138] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5138] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5140] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5136] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 6 [pid 5134] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./3/file0", [pid 5134] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 75.422321][ T5143] reiserfs: enabling write barrier flush mode [ 75.434456][ T5142] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 75.465746][ T5140] reiserfs: enabling write barrier flush mode [pid 5140] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5136] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5136] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5134] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5136] <... futex resumed>) = 0 [pid 5134] <... futex resumed>) = 1 [pid 5062] <... openat resumed>) = 4 [pid 5134] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5062] newfstatat(4, "", [pid 5136] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5134] <... futex resumed>) = 0 [pid 5136] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5134] exit_group(0 [pid 5136] <... futex resumed>) = ? [pid 5134] <... exit_group resumed>) = ? [pid 5136] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5057] newfstatat(3, "", [pid 5062] getdents64(4, [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] unlink("./3/binderfs") = 0 [pid 5057] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5143] <... mount resumed>) = 0 [pid 5140] <... mount resumed>) = 0 [pid 5143] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5140] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5143] <... openat resumed>) = 4 [pid 5143] chdir("." [pid 5140] <... openat resumed>) = 4 [pid 5143] <... chdir resumed>) = 0 [pid 5140] chdir("." [pid 5062] getdents64(4, [pid 5143] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5143] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5141] <... futex resumed>) = 0 [pid 5140] <... chdir resumed>) = 0 [pid 5062] close(4 [pid 5143] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5141] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./3/file0" [pid 5140] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5143] <... openat resumed>) = 5 [pid 5140] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5138] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(3, [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5138] <... futex resumed>) = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [ 75.477363][ T5143] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 75.497368][ T5140] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 75.519077][ T5142] REISERFS (device loop2): checking transaction log (loop2) [pid 5140] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5138] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] close(3 [pid 5140] <... openat resumed>) = 5 [pid 5062] <... close resumed>) = 0 [pid 5140] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5140] ftruncate(5, 100663296 [pid 5143] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5062] rmdir("./3" [pid 5143] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5138] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5141] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] ftruncate(5, 100663296 [pid 5141] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5143] <... ftruncate resumed>) = 0 [pid 5140] <... ftruncate resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5142] <... mount resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5062] mkdir("./4", 0777 [pid 5061] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4) = 0 [pid 5061] rmdir("./3/file0" [pid 5143] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5141] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5140] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(3, [pid 5143] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5141] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5138] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5061] close(3 [pid 5142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5138] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... close resumed>) = 0 [pid 5142] <... openat resumed>) = 3 [pid 5140] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5061] rmdir("./3" [pid 5142] chdir("./file0" [pid 5061] <... rmdir resumed>) = 0 [pid 5142] <... chdir resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5142] ioctl(4, LOOP_CLR_FD) = 0 [pid 5142] close(4) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5142] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [ 75.576402][ T5142] REISERFS (device loop2): Using r5 hash to sort names [pid 5061] mkdir("./4", 0777 [pid 5142] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5139] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5142] mkdir(".", 0777 [pid 5139] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5142] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5139] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5142] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5143] <... openat resumed>) = 6 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] close(3 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] close(3 [pid 5061] <... close resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5143] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5149 attached [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5140] <... openat resumed>) = 6 [pid 5149] set_robust_list(0x55555568a6a0, 24 [pid 5143] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5141] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5148 attached [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5148 [pid 5148] set_robust_list(0x55555568a6a0, 24 [pid 5143] <... openat resumed>) = 7 [pid 5141] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... set_robust_list resumed>) = 0 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5149] chdir("./4" [pid 5148] chdir("./4" [pid 5143] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5149 [pid 5149] <... chdir resumed>) = 0 [pid 5148] <... chdir resumed>) = 0 [pid 5143] <... futex resumed>) = 1 [pid 5141] <... futex resumed>) = 0 [pid 5140] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5141] exit_group(0 [pid 5140] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5149] <... prctl resumed>) = 0 [pid 5148] <... prctl resumed>) = 0 [pid 5149] setpgid(0, 0 [pid 5148] setpgid(0, 0 [pid 5143] <... futex resumed>) = ? [pid 5141] <... exit_group resumed>) = ? [pid 5138] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] +++ exited with 0 +++ [pid 5148] <... setpgid resumed>) = 0 [pid 5138] <... futex resumed>) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... setpgid resumed>) = 0 [pid 5148] <... openat resumed>) = 3 [pid 5141] +++ exited with 0 +++ [pid 5140] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] write(3, "1000", 4 [pid 5140] <... openat resumed>) = 7 [pid 5148] <... write resumed>) = 4 [pid 5140] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5149] <... openat resumed>) = 3 [pid 5148] close(3 [pid 5140] <... futex resumed>) = 1 [pid 5138] <... futex resumed>) = 0 [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5149] write(3, "1000", 4 [pid 5148] <... close resumed>) = 0 [pid 5138] exit_group(0 [pid 5058] <... restart_syscall resumed>) = 0 [pid 5149] <... write resumed>) = 4 [pid 5148] symlink("/dev/binderfs", "./binderfs" [pid 5138] <... exit_group resumed>) = ? [ 75.643402][ T5142] reiserfs: enabling write barrier flush mode [pid 5149] close(3 [pid 5148] <... symlink resumed>) = 0 [pid 5140] +++ exited with 0 +++ [pid 5138] +++ exited with 0 +++ [pid 5149] <... close resumed>) = 0 [pid 5148] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5058] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5149] symlink("/dev/binderfs", "./binderfs" [pid 5060] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] <... symlink resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... openat resumed>) = 3 [pid 5148] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] <... openat resumed>) = 3 [pid 5058] newfstatat(3, "", [pid 5148] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5148] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] getdents64(3, [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5060] newfstatat(3, "", [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5149] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] <... futex resumed>) = 0 [pid 5149] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5148] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] getdents64(3, [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5057] <... umount2 resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] <... mmap resumed>) = 0x7fecab044000 [pid 5148] <... mprotect resumed>) = 0 [pid 5060] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] unlink("./3/binderfs" [pid 5057] newfstatat(AT_FDCWD, "./3/file0", [pid 5149] <... mprotect resumed>) = 0 [pid 5148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5150 attached [pid 5149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5057] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5148] <... clone3 resumed> => {parent_tid=[5150]}, 88) = 5150 [pid 5060] unlink("./3/binderfs" [pid 5058] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5151 attached [pid 5150] <... rseq resumed>) = 0 [pid 5148] rt_sigprocmask(SIG_SETMASK, [], [pid 5142] <... mount resumed>) = 0 [pid 5057] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5151] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5150] set_robust_list(0x7fecab0649a0, 24 [pid 5149] <... clone3 resumed> => {parent_tid=[5151]}, 88) = 5151 [pid 5148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5151] <... rseq resumed>) = 0 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] rt_sigprocmask(SIG_SETMASK, [], [pid 5148] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5142] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5057] <... openat resumed>) = 4 [pid 5151] set_robust_list(0x7fecab0649a0, 24 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], [pid 5149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5060] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5151] <... set_robust_list resumed>) = 0 [pid 5150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5149] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] newfstatat(4, "", [pid 5148] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5149] <... futex resumed>) = 0 [pid 5150] memfd_create("syzkaller", 0 [pid 5057] getdents64(4, [pid 5149] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5142] <... openat resumed>) = 4 [pid 5057] getdents64(4, [pid 5142] chdir(".") = 0 [pid 5142] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [], [pid 5150] <... memfd_create resumed>) = 3 [pid 5142] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5057] close(4 [pid 5151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5139] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5150] <... mmap resumed>) = 0x7feca2c44000 [pid 5142] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [ 75.694482][ T5142] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5139] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] memfd_create("syzkaller", 0 [pid 5142] <... openat resumed>) = 5 [pid 5057] <... close resumed>) = 0 [pid 5151] <... memfd_create resumed>) = 3 [pid 5057] rmdir("./3/file0" [pid 5142] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5142] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5151] <... mmap resumed>) = 0x7feca2c44000 [pid 5142] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] getdents64(3, [pid 5142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5139] <... futex resumed>) = 0 [pid 5139] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5142] ftruncate(5, 100663296 [pid 5057] close(3) = 0 [pid 5057] rmdir("./3") = 0 [pid 5057] mkdir("./4", 0777) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5142] <... ftruncate resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5139] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5142] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5142] <... futex resumed>) = 0 [pid 5139] <... mmap resumed>) = 0x7fecab023000 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5142] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5057] close(3 [pid 5139] <... mprotect resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} => {parent_tid=[5152]}, 88) = 5152 [pid 5139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5139] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5152 attached [pid 5152] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5153 [pid 5152] <... rseq resumed>) = 0 [pid 5150] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5152] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5152] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5152] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000./strace-static-x86_64: Process 5153 attached [pid 5153] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5153] chdir("./4") = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5139] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... openat resumed>) = 3 [pid 5152] <... openat resumed>) = 6 [pid 5151] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5152] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] <... futex resumed>) = 1 [pid 5152] <... futex resumed>) = 0 [pid 5139] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] write(3, "1000", 4) = 4 [pid 5142] <... futex resumed>) = 0 [pid 5142] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5142] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] close(3 [pid 5142] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5153] <... close resumed>) = 0 [pid 5142] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] exit_group(0 [pid 5153] symlink("/dev/binderfs", "./binderfs" [pid 5152] <... futex resumed>) = ? [pid 5142] <... futex resumed>) = ? [pid 5139] <... exit_group resumed>) = ? [pid 5153] <... symlink resumed>) = 0 [pid 5152] +++ exited with 0 +++ [pid 5142] +++ exited with 0 +++ [pid 5139] +++ exited with 0 +++ [pid 5153] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5153] <... futex resumed>) = 0 [pid 5153] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5153] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] getdents64(3, [pid 5058] <... umount2 resumed>) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5153] <... mmap resumed>) = 0x7fecab044000 [pid 5059] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] <... mprotect resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5153] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5153] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5058] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5153] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5058] newfstatat(4, "", ./strace-static-x86_64: Process 5154 attached [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5154] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5059] unlink("./3/binderfs" [pid 5058] getdents64(4, [pid 5154] <... rseq resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5154] set_robust_list(0x7fecab0649a0, 24 [pid 5059] <... unlink resumed>) = 0 [pid 5058] getdents64(4, [pid 5153] <... clone3 resumed> => {parent_tid=[5154]}, 88) = 5154 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5154] rt_sigprocmask(SIG_SETMASK, [], [pid 5153] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] close(4 [pid 5154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... close resumed>) = 0 [pid 5153] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] memfd_create("syzkaller", 0 [pid 5058] rmdir("./3/file0" [pid 5153] <... futex resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5154] <... memfd_create resumed>) = 3 [pid 5153] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5154] <... mmap resumed>) = 0x7feca2c44000 [pid 5058] rmdir("./3") = 0 [pid 5058] mkdir("./4", 0777 [pid 5060] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] <... mkdir resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./3/file0", [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5058] close(3) = 0 [pid 5060] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5155 attached [pid 5155] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5155] chdir("./4") = 0 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5155] setpgid(0, 0) = 0 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5155 [pid 5155] <... openat resumed>) = 3 [pid 5155] write(3, "1000", 4) = 4 [pid 5155] close(3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] <... close resumed>) = 0 [pid 5155] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5155] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5155] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5150] <... write resumed>) = 4194304 [pid 5060] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5060] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] close(4 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... close resumed>) = 0 [pid 5155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] rmdir("./3/file0" [pid 5155] <... mmap resumed>) = 0x7fecab044000 [pid 5150] munmap(0x7feca2c44000, 138412032 [pid 5060] <... rmdir resumed>) = 0 [pid 5155] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5155] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5060] getdents64(3, [pid 5155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5154] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5150] <... munmap resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5156 attached [pid 5155] <... clone3 resumed> => {parent_tid=[5156]}, 88) = 5156 [pid 5060] close(3 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], [pid 5156] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5150] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... close resumed>) = 0 [pid 5156] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5060] rmdir("./3" [pid 5150] <... openat resumed>) = 4 [pid 5156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5155] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... rmdir resumed>) = 0 [pid 5155] <... futex resumed>) = 0 [pid 5156] memfd_create("syzkaller", 0 [pid 5155] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] mkdir("./4", 0777 [pid 5156] <... memfd_create resumed>) = 3 [pid 5156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5151] <... write resumed>) = 4194304 [pid 5150] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... mkdir resumed>) = 0 [pid 5156] <... mmap resumed>) = 0x7feca2c44000 [pid 5150] <... ioctl resumed>) = 0 [pid 5151] munmap(0x7feca2c44000, 138412032) = 0 [pid 5150] close(3 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] <... umount2 resumed>) = 0 [pid 5151] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5150] <... close resumed>) = 0 [pid 5151] <... openat resumed>) = 4 [pid 5150] mkdir("./file0", 0777 [pid 5060] <... openat resumed>) = 3 [pid 5151] ioctl(4, LOOP_SET_FD, 3 [pid 5059] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5150] <... mkdir resumed>) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] close(3 [pid 5059] newfstatat(AT_FDCWD, "./3/file0", [pid 5060] <... close resumed>) = 0 [pid 5150] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5157 attached [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5157 [pid 5157] set_robust_list(0x55555568a6a0, 24 [pid 5156] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5157] <... set_robust_list resumed>) = 0 [pid 5157] chdir("./4" [pid 5059] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5157] <... chdir resumed>) = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] <... openat resumed>) = 4 [pid 5059] newfstatat(4, "", [pid 5157] <... prctl resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5151] <... ioctl resumed>) = 0 [ 76.137409][ T5150] loop4: detected capacity change from 0 to 8192 [ 76.172288][ T5151] loop5: detected capacity change from 0 to 8192 [pid 5151] close(3) = 0 [pid 5157] setpgid(0, 0 [pid 5151] mkdir("./file0", 0777 [pid 5059] getdents64(4, [pid 5151] <... mkdir resumed>) = 0 [pid 5151] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5157] <... setpgid resumed>) = 0 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] getdents64(4, [pid 5157] write(3, "1000", 4 [pid 5154] <... write resumed>) = 4194304 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5157] <... write resumed>) = 4 [pid 5154] munmap(0x7feca2c44000, 138412032 [pid 5059] close(4 [pid 5157] close(3 [pid 5059] <... close resumed>) = 0 [pid 5154] <... munmap resumed>) = 0 [ 76.215443][ T5150] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.240948][ T5151] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.244458][ T5150] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5157] <... close resumed>) = 0 [pid 5154] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5059] rmdir("./3/file0" [pid 5157] symlink("/dev/binderfs", "./binderfs" [pid 5059] <... rmdir resumed>) = 0 [pid 5154] <... openat resumed>) = 4 [pid 5154] ioctl(4, LOOP_SET_FD, 3 [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3 [pid 5157] <... symlink resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5157] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5059] rmdir("./3" [pid 5157] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5059] <... rmdir resumed>) = 0 [pid 5157] <... mprotect resumed>) = 0 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5160 attached => {parent_tid=[5160]}, 88) = 5160 [pid 5160] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5160] <... rseq resumed>) = 0 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] mkdir("./4", 0777 [pid 5160] set_robust_list(0x7fecab0649a0, 24 [pid 5157] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... ioctl resumed>) = 0 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5157] <... futex resumed>) = 0 [pid 5154] close(3 [pid 5059] <... mkdir resumed>) = 0 [pid 5160] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5154] <... close resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5154] mkdir("./file0", 0777 [pid 5059] <... openat resumed>) = 3 [pid 5160] memfd_create("syzkaller", 0 [pid 5156] <... write resumed>) = 4194304 [pid 5154] <... mkdir resumed>) = 0 [pid 5160] <... memfd_create resumed>) = 3 [pid 5160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5156] munmap(0x7feca2c44000, 138412032 [pid 5154] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 76.255434][ T5151] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 76.275794][ T5154] loop0: detected capacity change from 0 to 8192 [ 76.301062][ T5150] REISERFS (device loop4): using ordered data mode [ 76.305371][ T5151] REISERFS (device loop5): using ordered data mode [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5059] close(3 [pid 5156] <... munmap resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5156] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5156] <... openat resumed>) = 4 [pid 5156] ioctl(4, LOOP_SET_FD, 3 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5162 ./strace-static-x86_64: Process 5162 attached [pid 5162] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5162] chdir("./4") = 0 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5162] setpgid(0, 0) = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5162] write(3, "1000", 4) = 4 [pid 5162] close(3) = 0 [pid 5162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5162] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5162] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5162] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5162] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 76.314323][ T5151] reiserfs: using flush barriers [ 76.325339][ T5150] reiserfs: using flush barriers [ 76.332997][ T5156] loop1: detected capacity change from 0 to 8192 [ 76.340297][ T5154] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.364506][ T5151] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 76.371669][ T5154] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 76.385689][ T5150] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 76.405989][ T5154] REISERFS (device loop0): using ordered data mode [pid 5162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5163 attached [pid 5160] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5156] <... ioctl resumed>) = 0 [pid 5163] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5163] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5162] <... clone3 resumed> => {parent_tid=[5163]}, 88) = 5163 [pid 5156] close(3 [pid 5162] rt_sigprocmask(SIG_SETMASK, [], [pid 5156] <... close resumed>) = 0 [pid 5162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5156] mkdir("./file0", 0777 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], [pid 5156] <... mkdir resumed>) = 0 [pid 5162] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] memfd_create("syzkaller", 0) = 3 [pid 5163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5162] <... futex resumed>) = 0 [pid 5156] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 76.406006][ T5154] reiserfs: using flush barriers [ 76.408387][ T5151] REISERFS (device loop5): checking transaction log (loop5) [ 76.419562][ T5154] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5162] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5160] <... write resumed>) = 4194304 [pid 5151] <... mount resumed>) = 0 [pid 5151] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5151] chdir("./file0" [pid 5160] munmap(0x7feca2c44000, 138412032 [pid 5151] <... chdir resumed>) = 0 [pid 5160] <... munmap resumed>) = 0 [pid 5151] ioctl(4, LOOP_CLR_FD) = 0 [pid 5151] close(4) = 0 [pid 5160] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5151] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5160] <... openat resumed>) = 4 [pid 5151] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [ 76.466848][ T5151] REISERFS (device loop5): Using r5 hash to sort names [ 76.474320][ T5156] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.477880][ T5150] REISERFS (device loop4): checking transaction log (loop4) [ 76.487382][ T5156] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 76.487483][ T5156] REISERFS (device loop1): using ordered data mode [ 76.510736][ T5156] reiserfs: using flush barriers [pid 5160] ioctl(4, LOOP_SET_FD, 3 [pid 5151] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 0 [pid 5151] mkdir(".", 0777 [pid 5149] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5156] <... mount resumed>) = 0 [pid 5151] <... mkdir resumed>) = -1 EEXIST (File exists) [ 76.518112][ T5156] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 76.518641][ T5160] loop3: detected capacity change from 0 to 8192 [ 76.535014][ T5156] REISERFS (device loop1): checking transaction log (loop1) [ 76.544970][ T5154] REISERFS (device loop0): checking transaction log (loop0) [ 76.549414][ T5156] REISERFS (device loop1): Using r5 hash to sort names [pid 5156] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5151] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5160] <... ioctl resumed>) = 0 [pid 5156] <... openat resumed>) = 3 [pid 5150] <... mount resumed>) = 0 [pid 5160] close(3 [pid 5156] chdir("./file0" [pid 5150] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5160] <... close resumed>) = 0 [pid 5156] <... chdir resumed>) = 0 [pid 5154] <... mount resumed>) = 0 [pid 5150] <... openat resumed>) = 3 [pid 5160] mkdir("./file0", 0777 [pid 5156] ioctl(4, LOOP_CLR_FD [pid 5154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5150] chdir("./file0") = 0 [pid 5156] <... ioctl resumed>) = 0 [pid 5150] ioctl(4, LOOP_CLR_FD [pid 5154] <... openat resumed>) = 3 [pid 5156] close(4 [pid 5154] chdir("./file0" [pid 5150] <... ioctl resumed>) = 0 [pid 5156] <... close resumed>) = 0 [pid 5154] <... chdir resumed>) = 0 [pid 5150] close(4 [pid 5160] <... mkdir resumed>) = 0 [pid 5156] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... close resumed>) = 0 [pid 5160] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5156] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = 0 [pid 5154] ioctl(4, LOOP_CLR_FD [pid 5150] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... ioctl resumed>) = 0 [pid 5150] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] <... futex resumed>) = 0 [pid 5154] close(4 [pid 5150] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] mkdir(".", 0777 [pid 5155] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5148] <... futex resumed>) = 0 [pid 5148] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... close resumed>) = 0 [pid 5156] <... mkdir resumed>) = -1 EEXIST (File exists) [ 76.564565][ T5150] REISERFS (device loop4): Using r5 hash to sort names [ 76.566371][ T5151] reiserfs: enabling write barrier flush mode [ 76.573551][ T5154] REISERFS (device loop0): Using r5 hash to sort names [ 76.599047][ T5160] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5156] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5154] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] mkdir(".", 0777 [pid 5154] <... futex resumed>) = 1 [pid 5150] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5154] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... futex resumed>) = 0 [pid 5150] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5151] <... mount resumed>) = 0 [pid 5153] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5154] mkdir(".", 0777 [pid 5153] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5154] <... mkdir resumed>) = -1 EEXIST (File exists) [ 76.614480][ T5156] reiserfs: enabling write barrier flush mode [ 76.634970][ T5151] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 76.644718][ T5150] reiserfs: enabling write barrier flush mode [ 76.652377][ T5156] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5154] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5151] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5151] chdir(".") = 0 [pid 5151] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5149] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [ 76.665627][ T5154] reiserfs: enabling write barrier flush mode [ 76.685934][ T5160] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 76.689339][ T5150] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5156] <... mount resumed>) = 0 [pid 5151] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... mount resumed>) = 0 [pid 5151] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5149] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] ftruncate(5, 100663296 [pid 5156] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5150] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5156] <... openat resumed>) = 4 [pid 5150] chdir("." [pid 5156] chdir("." [pid 5150] <... chdir resumed>) = 0 [pid 5150] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... chdir resumed>) = 0 [pid 5156] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5156] <... futex resumed>) = 1 [pid 5150] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 0 [pid 5156] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5155] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5155] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5150] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... openat resumed>) = 5 [pid 5151] <... ftruncate resumed>) = 0 [pid 5150] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5148] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... mount resumed>) = 0 [pid 5151] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5151] <... futex resumed>) = 1 [pid 5150] ftruncate(5, 100663296 [pid 5149] <... futex resumed>) = 0 [pid 5154] <... openat resumed>) = 4 [pid 5149] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = 0 [pid 5154] chdir("." [pid 5151] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5149] <... futex resumed>) = 0 [pid 5156] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... chdir resumed>) = 0 [pid 5149] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5155] <... futex resumed>) = 0 [pid 5154] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... futex resumed>) = 1 [pid 5154] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... futex resumed>) = 0 [ 76.716241][ T5154] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 76.746108][ T5160] REISERFS (device loop3): using ordered data mode [ 76.752686][ T5160] reiserfs: using flush barriers [pid 5153] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... write resumed>) = 4194304 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5153] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5156] ftruncate(5, 100663296 [pid 5154] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5154] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5154] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] <... openat resumed>) = 6 [pid 5151] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... ftruncate resumed>) = 0 [pid 5153] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = 0 [pid 5153] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5151] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5150] <... ftruncate resumed>) = 0 [pid 5149] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5151] <... openat resumed>) = 7 [pid 5150] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5148] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] ftruncate(5, 100663296 [pid 5153] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 0 [pid 5149] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] munmap(0x7feca2c44000, 138412032 [pid 5155] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5151] <... futex resumed>) = 0 [pid 5150] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5163] <... munmap resumed>) = 0 [pid 5156] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... ftruncate resumed>) = 0 [ 76.793941][ T5160] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5151] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] exit_group(0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5163] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5156] <... futex resumed>) = 0 [pid 5155] <... futex resumed>) = 0 [pid 5151] <... futex resumed>) = ? [pid 5149] <... exit_group resumed>) = ? [pid 5155] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5151] +++ exited with 0 +++ [pid 5149] +++ exited with 0 +++ [pid 5154] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5154] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] <... futex resumed>) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5163] <... openat resumed>) = 4 [pid 5156] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5163] ioctl(4, LOOP_SET_FD, 3 [pid 5153] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5148] <... mmap resumed>) = 0x7fecab023000 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = 1 [pid 5154] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5153] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5148] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5148] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 5148] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5163] <... ioctl resumed>) = 0 [pid 5148] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5163] close(3 [pid 5062] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5163] <... close resumed>) = 0 [pid 5163] mkdir("./file0", 0777 [pid 5062] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./4/binderfs") = 0 [pid 5163] <... mkdir resumed>) = 0 [pid 5148] <... clone3 resumed> => {parent_tid=[5166]}, 88) = 5166 [pid 5062] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5163] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5148] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5148] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5166 attached [pid 5156] <... openat resumed>) = 6 [pid 5154] <... openat resumed>) = 6 [pid 5148] <... futex resumed>) = 0 [pid 5166] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5160] <... mount resumed>) = 0 [pid 5156] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... rseq resumed>) = 0 [pid 5148] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] set_robust_list(0x7fecab0439a0, 24 [pid 5160] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5156] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = 0 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5160] <... openat resumed>) = 3 [pid 5156] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 76.845311][ T5160] REISERFS (device loop3): checking transaction log (loop3) [ 76.855269][ T5163] loop2: detected capacity change from 0 to 8192 [ 76.880306][ T5160] REISERFS (device loop3): Using r5 hash to sort names [pid 5154] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5155] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] rt_sigprocmask(SIG_SETMASK, [], [pid 5160] chdir("./file0" [pid 5155] <... futex resumed>) = 0 [pid 5155] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5160] <... chdir resumed>) = 0 [pid 5156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5154] <... futex resumed>) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5166] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5160] ioctl(4, LOOP_CLR_FD [pid 5156] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5154] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5153] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] <... openat resumed>) = 6 [pid 5160] <... ioctl resumed>) = 0 [pid 5156] <... openat resumed>) = 7 [pid 5154] <... openat resumed>) = 7 [pid 5153] <... futex resumed>) = 0 [pid 5160] close(4 [pid 5156] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5160] <... close resumed>) = 0 [ 76.892002][ T5163] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.905542][ T5163] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 76.915702][ T5163] REISERFS (device loop2): using ordered data mode [ 76.922239][ T5163] reiserfs: using flush barriers [pid 5156] <... futex resumed>) = 1 [pid 5155] <... futex resumed>) = 0 [pid 5154] <... futex resumed>) = 0 [pid 5153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5156] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5155] exit_group(0 [pid 5154] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] exit_group(0 [pid 5160] mkdir(".", 0777 [pid 5157] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5156] <... futex resumed>) = ? [pid 5155] <... exit_group resumed>) = ? [pid 5154] <... futex resumed>) = ? [pid 5153] <... exit_group resumed>) = ? [pid 5160] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5157] <... futex resumed>) = 0 [pid 5156] +++ exited with 0 +++ [pid 5155] +++ exited with 0 +++ [pid 5154] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 5160] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5157] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5148] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 0 [pid 5148] <... futex resumed>) = 1 [pid 5150] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5148] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5150] <... openat resumed>) = 7 [pid 5058] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5150] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5057] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5166] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5058] newfstatat(3, "", [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, [pid 5057] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... openat resumed>) = 3 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(3, "", [pid 5166] <... futex resumed>) = 0 [pid 5150] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] exit_group(0 [pid 5058] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5150] <... futex resumed>) = ? [pid 5148] <... exit_group resumed>) = ? [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] unlink("./4/binderfs" [pid 5057] getdents64(3, [pid 5150] +++ exited with 0 +++ [pid 5058] <... unlink resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5166] +++ exited with 0 +++ [pid 5160] <... mount resumed>) = 0 [pid 5148] +++ exited with 0 +++ [pid 5062] <... umount2 resumed>) = 0 [pid 5057] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5160] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5160] <... openat resumed>) = 4 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [ 76.940348][ T5163] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 76.952368][ T5160] reiserfs: enabling write barrier flush mode [ 76.971261][ T5160] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 76.975412][ T5163] REISERFS (device loop2): checking transaction log (loop2) [pid 5057] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5160] chdir("." [pid 5062] newfstatat(AT_FDCWD, "./4/file0", [pid 5061] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] unlink("./4/binderfs" [pid 5160] <... chdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... unlink resumed>) = 0 [pid 5160] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5057] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5160] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5062] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(3, "", [pid 5160] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5157] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5160] <... openat resumed>) = 5 [pid 5157] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] getdents64(3, [pid 5163] <... mount resumed>) = 0 [pid 5160] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 4 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5160] <... futex resumed>) = 0 [pid 5157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] newfstatat(4, "", [pid 5061] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5163] <... openat resumed>) = 3 [pid 5160] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5163] chdir("./file0" [pid 5160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5157] <... futex resumed>) = 0 [pid 5062] getdents64(4, [pid 5061] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5163] <... chdir resumed>) = 0 [pid 5160] ftruncate(5, 100663296 [pid 5157] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5163] ioctl(4, LOOP_CLR_FD [pid 5160] <... ftruncate resumed>) = 0 [pid 5062] getdents64(4, [pid 5061] unlink("./4/binderfs" [pid 5163] <... ioctl resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] close(4 [pid 5163] close(4 [pid 5062] <... close resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5062] rmdir("./4/file0" [pid 5061] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5163] <... close resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [ 77.011405][ T5163] REISERFS (device loop2): Using r5 hash to sort names [pid 5062] close(3 [pid 5163] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./4") = 0 [pid 5163] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5062] mkdir("./5", 0777) = 0 [pid 5163] mkdir(".", 0777 [pid 5162] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5162] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5163] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5163] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5160] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5160] <... futex resumed>) = 0 [pid 5157] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5160] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5157] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5058] <... umount2 resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 77.087333][ T5163] reiserfs: enabling write barrier flush mode [pid 5058] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5168 attached [pid 5160] <... openat resumed>) = 6 [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5168 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5157] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5160] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] <... futex resumed>) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5160] <... futex resumed>) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] newfstatat(4, "", [pid 5160] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5157] <... mmap resumed>) = 0x7fecab023000 [pid 5157] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, [pid 5168] set_robust_list(0x55555568a6a0, 24 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5157] <... mprotect resumed>) = 0 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5058] close(4 [pid 5157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5168] chdir("./5" [pid 5058] <... close resumed>) = 0 [pid 5168] <... chdir resumed>) = 0 [pid 5157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] rmdir("./4/file0" [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5058] <... rmdir resumed>) = 0 [pid 5168] <... prctl resumed>) = 0 [pid 5168] setpgid(0, 0 [pid 5058] getdents64(3, [pid 5168] <... setpgid resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5169 attached [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5163] <... mount resumed>) = 0 [pid 5058] close(3) = 0 [pid 5157] <... clone3 resumed> => {parent_tid=[5169]}, 88) = 5169 [pid 5169] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5169] set_robust_list(0x7fecab0439a0, 24 [pid 5168] <... openat resumed>) = 3 [pid 5058] rmdir("./4" [pid 5168] write(3, "1000", 4 [pid 5058] <... rmdir resumed>) = 0 [pid 5163] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5157] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] <... write resumed>) = 4 [pid 5157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] close(3 [pid 5163] <... openat resumed>) = 4 [pid 5157] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] mkdir("./5", 0777 [pid 5169] <... set_robust_list resumed>) = 0 [pid 5168] <... close resumed>) = 0 [pid 5163] chdir("." [pid 5157] <... futex resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5169] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5163] <... chdir resumed>) = 0 [pid 5169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5169] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 77.159544][ T5163] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5168] symlink("/dev/binderfs", "./binderfs" [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5169] <... openat resumed>) = 7 [pid 5168] <... symlink resumed>) = 0 [pid 5163] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5058] <... openat resumed>) = 3 [pid 5163] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5058] close(3) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached [pid 5168] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] set_robust_list(0x55555568a6a0, 24 [pid 5168] <... futex resumed>) = 0 [pid 5170] <... set_robust_list resumed>) = 0 [pid 5168] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5170 [pid 5170] chdir("./5" [pid 5168] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5162] <... futex resumed>) = 0 [pid 5170] <... chdir resumed>) = 0 [pid 5168] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5162] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] <... prctl resumed>) = 0 [pid 5169] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5163] <... futex resumed>) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5169] <... futex resumed>) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5162] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5157] exit_group(0 [pid 5168] <... mmap resumed>) = 0x7fecab044000 [pid 5160] <... futex resumed>) = ? [pid 5157] <... exit_group resumed>) = ? [pid 5163] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5170] setpgid(0, 0) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5163] <... openat resumed>) = 5 [pid 5160] +++ exited with 0 +++ [pid 5169] +++ exited with 0 +++ [pid 5170] <... openat resumed>) = 3 [pid 5163] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] write(3, "1000", 4 [pid 5168] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5170] <... write resumed>) = 4 [pid 5168] <... mprotect resumed>) = 0 [pid 5170] close(3 [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5163] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5170] <... close resumed>) = 0 [pid 5168] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5162] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] ftruncate(5, 100663296 [pid 5170] symlink("/dev/binderfs", "./binderfs" [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5162] <... futex resumed>) = 0 [pid 5170] <... symlink resumed>) = 0 [pid 5170] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... clone3 resumed> => {parent_tid=[5171]}, 88) = 5171 [pid 5057] <... umount2 resumed>) = 0 [pid 5170] <... futex resumed>) = 0 [pid 5168] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5168] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5168] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5168] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5170] <... mmap resumed>) = 0x7fecab044000 [pid 5057] newfstatat(AT_FDCWD, "./4/file0", [pid 5170] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5170] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5057] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5172 attached [pid 5057] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5171 attached [pid 5172] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5170] <... clone3 resumed> => {parent_tid=[5172]}, 88) = 5172 [pid 5163] <... ftruncate resumed>) = 0 [pid 5162] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... openat resumed>) = 4 [pid 5172] <... rseq resumed>) = 0 [pid 5171] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5170] rt_sigprocmask(SIG_SETMASK, [], [pid 5157] +++ exited with 0 +++ [pid 5061] <... umount2 resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5172] set_robust_list(0x7fecab0649a0, 24 [pid 5170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5057] getdents64(4, [pid 5171] <... rseq resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5172] rt_sigprocmask(SIG_SETMASK, [], [pid 5170] <... futex resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5170] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] getdents64(4, [pid 5172] memfd_create("syzkaller", 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(4) = 0 [pid 5172] <... memfd_create resumed>) = 3 [pid 5057] rmdir("./4/file0" [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5172] <... mmap resumed>) = 0x7feca2c44000 [pid 5057] getdents64(3, [pid 5171] set_robust_list(0x7fecab0649a0, 24 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5057] close(3) = 0 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] rmdir("./4" [pid 5171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5171] memfd_create("syzkaller", 0 [pid 5060] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... rmdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5171] <... memfd_create resumed>) = 3 [pid 5057] mkdir("./5", 0777) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5057] close(3 [pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5061] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(3, "", [pid 5057] <... close resumed>) = 0 [pid 5163] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5163] <... futex resumed>) = 1 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5163] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5061] newfstatat(4, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5171] <... mmap resumed>) = 0x7feca2c44000 [pid 5162] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, [pid 5061] getdents64(4, [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5173 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5162] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5173 attached [pid 5061] getdents64(4, [pid 5173] set_robust_list(0x55555568a6a0, 24 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5061] close(4 [pid 5173] chdir("./5" [pid 5061] <... close resumed>) = 0 [pid 5173] <... chdir resumed>) = 0 [pid 5061] rmdir("./4/file0" [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... rmdir resumed>) = 0 [pid 5173] <... prctl resumed>) = 0 [pid 5173] setpgid(0, 0) = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5061] getdents64(3, [pid 5173] write(3, "1000", 4 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5162] <... futex resumed>) = 1 [pid 5163] <... futex resumed>) = 0 [pid 5060] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5163] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5162] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] close(3 [pid 5060] unlink("./4/binderfs" [pid 5173] <... write resumed>) = 4 [pid 5061] <... close resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5061] rmdir("./4" [pid 5060] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5173] close(3) = 0 [pid 5061] mkdir("./5", 0777 [pid 5173] symlink("/dev/binderfs", "./binderfs" [pid 5061] <... mkdir resumed>) = 0 [pid 5173] <... symlink resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5173] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... openat resumed>) = 3 [pid 5173] <... futex resumed>) = 0 [pid 5173] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5163] <... openat resumed>) = 6 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5171] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5163] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5061] close(3 [pid 5173] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5172] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5163] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5173] <... mprotect resumed>) = 0 [pid 5162] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5163] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5162] <... futex resumed>) = 0 [pid 5173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5163] <... openat resumed>) = 7 [pid 5162] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5175 attached [pid 5173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5175 [pid 5175] set_robust_list(0x55555568a6a0, 24 [pid 5163] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... clone3 resumed> => {parent_tid=[5176]}, 88) = 5176 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5173] rt_sigprocmask(SIG_SETMASK, [], [pid 5163] <... futex resumed>) = 1 [pid 5162] <... futex resumed>) = 0 [pid 5175] chdir("./5" [pid 5173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5163] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5162] exit_group(0./strace-static-x86_64: Process 5176 attached [pid 5175] <... chdir resumed>) = 0 [pid 5173] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5163] <... futex resumed>) = ? [pid 5162] <... exit_group resumed>) = ? [pid 5176] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5173] <... futex resumed>) = 0 [pid 5173] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5176] <... rseq resumed>) = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] +++ exited with 0 +++ [pid 5162] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5059] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5175] <... prctl resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5175] setpgid(0, 0 [pid 5059] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5175] <... setpgid resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5176] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] rt_sigprocmask(SIG_SETMASK, [], [pid 5175] <... openat resumed>) = 3 [pid 5059] newfstatat(3, "", [pid 5176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] write(3, "1000", 4 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5176] memfd_create("syzkaller", 0 [pid 5175] <... write resumed>) = 4 [pid 5059] getdents64(3, [pid 5176] <... memfd_create resumed>) = 3 [pid 5175] close(3 [pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5175] <... close resumed>) = 0 [pid 5176] <... mmap resumed>) = 0x7feca2c44000 [pid 5175] symlink("/dev/binderfs", "./binderfs" [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5175] <... symlink resumed>) = 0 [pid 5175] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5175] <... futex resumed>) = 0 [pid 5175] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5175] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5059] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5175] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5059] unlink("./4/binderfs" [pid 5175] <... clone3 resumed> => {parent_tid=[5177]}, 88) = 5177 [pid 5059] <... unlink resumed>) = 0 [pid 5175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5059] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5177 attached [pid 5175] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5175] <... futex resumed>) = 0 [pid 5177] <... rseq resumed>) = 0 [pid 5175] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = 0 [pid 5177] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5177] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5060] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] memfd_create("syzkaller", 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5177] <... memfd_create resumed>) = 3 [pid 5177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5172] <... write resumed>) = 4194304 [pid 5060] newfstatat(AT_FDCWD, "./4/file0", [pid 5176] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5172] munmap(0x7feca2c44000, 138412032 [pid 5171] <... write resumed>) = 4194304 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5172] <... munmap resumed>) = 0 [pid 5060] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = 0 [pid 5172] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5059] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5172] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5171] munmap(0x7feca2c44000, 138412032 [pid 5060] <... openat resumed>) = 4 [pid 5059] newfstatat(AT_FDCWD, "./4/file0", [pid 5060] newfstatat(4, "", [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(4, [pid 5059] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5171] <... munmap resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] <... openat resumed>) = 4 [pid 5172] <... ioctl resumed>) = 0 [pid 5172] close(3) = 0 [pid 5059] newfstatat(4, "", [pid 5172] mkdir("./file0", 0777 [pid 5060] getdents64(4, [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5171] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] getdents64(4, [pid 5060] close(4) = 0 [pid 5060] rmdir("./4/file0" [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, [pid 5171] ioctl(4, LOOP_SET_FD, 3 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5172] <... mkdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5059] close(4) = 0 [pid 5172] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5060] getdents64(3, [pid 5059] rmdir("./4/file0" [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3 [pid 5059] <... rmdir resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./4" [pid 5059] getdents64(3, [pid 5177] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [ 77.539043][ T5172] loop1: detected capacity change from 0 to 8192 [ 77.574187][ T5171] loop5: detected capacity change from 0 to 8192 [pid 5059] rmdir("./4" [pid 5060] <... rmdir resumed>) = 0 [pid 5171] <... ioctl resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5171] close(3) = 0 [pid 5171] mkdir("./file0", 0777) = 0 [pid 5171] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5059] mkdir("./5", 0777 [ 77.592855][ T5172] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 77.609301][ T5172] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 77.620413][ T5171] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 77.634805][ T5172] REISERFS (device loop1): using ordered data mode [pid 5060] mkdir("./5", 0777) = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5060] <... openat resumed>) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] close(3 [pid 5176] <... write resumed>) = 4194304 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] <... close resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] close(3) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5176] munmap(0x7feca2c44000, 138412032./strace-static-x86_64: Process 5181 attached [pid 5177] <... write resumed>) = 4194304 [pid 5176] <... munmap resumed>) = 0 [ 77.642244][ T5172] reiserfs: using flush barriers [ 77.648698][ T5171] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 77.668888][ T5172] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 77.680444][ T5171] REISERFS (device loop5): using ordered data mode ./strace-static-x86_64: Process 5180 attached [pid 5180] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5180] chdir("./5") = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5180] setpgid(0, 0 [pid 5181] set_robust_list(0x55555568a6a0, 24 [pid 5180] <... setpgid resumed>) = 0 [pid 5177] munmap(0x7feca2c44000, 138412032 [pid 5176] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5180 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5181 [pid 5181] <... set_robust_list resumed>) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] <... openat resumed>) = 4 [pid 5181] chdir("./5" [pid 5180] <... openat resumed>) = 3 [pid 5176] ioctl(4, LOOP_SET_FD, 3 [pid 5180] write(3, "1000", 4 [pid 5181] <... chdir resumed>) = 0 [pid 5180] <... write resumed>) = 4 [pid 5177] <... munmap resumed>) = 0 [pid 5176] <... ioctl resumed>) = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5177] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5180] close(3 [pid 5176] close(3 [pid 5180] <... close resumed>) = 0 [pid 5176] <... close resumed>) = 0 [pid 5180] symlink("/dev/binderfs", "./binderfs" [ 77.692068][ T5171] reiserfs: using flush barriers [ 77.703154][ T5176] loop0: detected capacity change from 0 to 8192 [ 77.703335][ T5171] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 77.711807][ T5172] REISERFS (device loop1): checking transaction log (loop1) [pid 5176] mkdir("./file0", 0777 [pid 5177] <... openat resumed>) = 4 [pid 5176] <... mkdir resumed>) = 0 [pid 5181] setpgid(0, 0 [pid 5177] ioctl(4, LOOP_SET_FD, 3 [pid 5181] <... setpgid resumed>) = 0 [pid 5180] <... symlink resumed>) = 0 [pid 5180] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5176] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5180] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5181] <... openat resumed>) = 3 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5177] <... ioctl resumed>) = 0 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5180] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5180] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5180] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5182]}, 88) = 5182 [pid 5180] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5182 attached [pid 5181] write(3, "1000", 4 [pid 5180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5182] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5181] <... write resumed>) = 4 [pid 5182] <... rseq resumed>) = 0 [pid 5181] close(3) = 0 [pid 5181] symlink("/dev/binderfs", "./binderfs" [pid 5182] set_robust_list(0x7fecab0649a0, 24 [pid 5181] <... symlink resumed>) = 0 [pid 5177] close(3) = 0 [pid 5177] mkdir("./file0", 0777 [pid 5181] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5182] <... set_robust_list resumed>) = 0 [pid 5182] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5177] <... mkdir resumed>) = 0 [pid 5182] memfd_create("syzkaller", 0 [pid 5181] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5182] <... memfd_create resumed>) = 3 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5181] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5182] <... mmap resumed>) = 0x7feca2c44000 [pid 5177] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5172] <... mount resumed>) = 0 [pid 5171] <... mount resumed>) = 0 [pid 5172] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5172] chdir("./file0") = 0 [pid 5172] ioctl(4, LOOP_CLR_FD) = 0 [pid 5181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5172] close(4 [pid 5171] <... openat resumed>) = 3 [pid 5172] <... close resumed>) = 0 [pid 5171] chdir("./file0" [pid 5172] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... chdir resumed>) = 0 [ 77.738097][ T5177] loop4: detected capacity change from 0 to 8192 [ 77.746500][ T5172] REISERFS (device loop1): Using r5 hash to sort names [ 77.750855][ T5171] REISERFS (device loop5): checking transaction log (loop5) [ 77.772182][ T5171] REISERFS (device loop5): Using r5 hash to sort names [ 77.780534][ T5176] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5172] <... futex resumed>) = 1 [pid 5171] ioctl(4, LOOP_CLR_FD [pid 5170] <... futex resumed>) = 0 [pid 5181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5172] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] <... ioctl resumed>) = 0 [pid 5170] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] close(4 [pid 5170] <... futex resumed>) = 0 [pid 5172] mkdir(".", 0777 [pid 5171] <... close resumed>) = 0 [pid 5170] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5172] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5171] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5171] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5171] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5171] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5171] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5168] <... futex resumed>) = 0 [pid 5168] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5181] <... clone3 resumed> => {parent_tid=[5184]}, 88) = 5184 [pid 5181] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5181] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 77.801924][ T5172] reiserfs: enabling write barrier flush mode [ 77.802942][ T5171] reiserfs: enabling write barrier flush mode [ 77.828502][ T5172] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 77.838775][ T5177] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5181] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5184 attached [pid 5182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5184] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5184] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5184] memfd_create("syzkaller", 0) = 3 [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [ 77.839059][ T5176] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 77.865476][ T5171] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 77.874570][ T5176] REISERFS (device loop0): using ordered data mode [ 77.874586][ T5176] reiserfs: using flush barriers [pid 5172] <... mount resumed>) = 0 [pid 5172] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5172] chdir(".") = 0 [pid 5172] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5170] <... futex resumed>) = 0 [pid 5172] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] <... futex resumed>) = 0 [pid 5172] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5170] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] <... openat resumed>) = 5 [pid 5172] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5170] <... futex resumed>) = 0 [ 77.895944][ T5176] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 77.902065][ T5177] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 77.922242][ T5177] REISERFS (device loop4): using ordered data mode [ 77.930088][ T5177] reiserfs: using flush barriers [pid 5172] ftruncate(5, 100663296 [pid 5170] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5170] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] <... ftruncate resumed>) = 0 [pid 5172] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5170] <... futex resumed>) = 0 [pid 5170] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5170] <... futex resumed>) = 0 [pid 5170] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] <... openat resumed>) = 6 [pid 5172] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5170] <... futex resumed>) = 0 [pid 5170] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 77.943036][ T5177] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 77.983529][ T5177] REISERFS (device loop4): checking transaction log (loop4) [ 77.993047][ T5177] REISERFS (device loop4): Using r5 hash to sort names [pid 5170] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5177] <... mount resumed>) = 0 [pid 5172] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5171] <... mount resumed>) = 0 [pid 5172] <... openat resumed>) = 7 [pid 5182] <... write resumed>) = 4194304 [pid 5177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5172] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5172] <... futex resumed>) = 1 [pid 5171] <... openat resumed>) = 4 [pid 5170] <... futex resumed>) = 0 [pid 5172] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5171] chdir("." [pid 5170] exit_group(0 [pid 5177] <... openat resumed>) = 3 [pid 5172] <... futex resumed>) = ? [pid 5171] <... chdir resumed>) = 0 [pid 5170] <... exit_group resumed>) = ? [pid 5182] munmap(0x7feca2c44000, 138412032 [pid 5177] chdir("./file0" [pid 5172] +++ exited with 0 +++ [pid 5171] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... munmap resumed>) = 0 [pid 5177] <... chdir resumed>) = 0 [pid 5170] +++ exited with 0 +++ [pid 5177] ioctl(4, LOOP_CLR_FD [pid 5171] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5182] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5177] <... ioctl resumed>) = 0 [pid 5171] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5168] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] close(4) = 0 [pid 5168] <... futex resumed>) = 0 [pid 5182] <... openat resumed>) = 4 [pid 5177] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... openat resumed>) = 5 [pid 5168] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] <... futex resumed>) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5171] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5177] mkdir(".", 0777 [pid 5175] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5177] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5175] <... futex resumed>) = 0 [ 78.003604][ T5176] REISERFS (device loop0): checking transaction log (loop0) [ 78.030811][ T5176] REISERFS (device loop0): Using r5 hash to sort names [pid 5182] ioctl(4, LOOP_SET_FD, 3 [pid 5177] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5176] <... mount resumed>) = 0 [pid 5175] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5171] ftruncate(5, 100663296 [pid 5168] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5168] <... futex resumed>) = 0 [pid 5058] newfstatat(3, "", [pid 5168] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5182] <... ioctl resumed>) = 0 [pid 5176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5182] close(3 [pid 5176] <... openat resumed>) = 3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5176] chdir("./file0" [pid 5182] <... close resumed>) = 0 [pid 5058] unlink("./5/binderfs" [pid 5182] mkdir("./file0", 0777 [pid 5176] <... chdir resumed>) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5182] <... mkdir resumed>) = 0 [pid 5176] ioctl(4, LOOP_CLR_FD [pid 5058] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5182] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5176] <... ioctl resumed>) = 0 [pid 5176] close(4) = 0 [pid 5176] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5176] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] <... futex resumed>) = 0 [pid 5173] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5176] mkdir(".", 0777 [pid 5173] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5176] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5176] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5168] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5171] <... ftruncate resumed>) = 0 [pid 5168] <... mmap resumed>) = 0x7fecab023000 [ 78.055513][ T5177] reiserfs: enabling write barrier flush mode [ 78.065616][ T5182] loop3: detected capacity change from 0 to 8192 [ 78.082223][ T5182] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 78.096209][ T5176] reiserfs: enabling write barrier flush mode [pid 5168] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5171] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... mprotect resumed>) = 0 [pid 5184] <... write resumed>) = 4194304 [pid 5171] <... futex resumed>) = 0 [pid 5168] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5171] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5168] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} => {parent_tid=[5187]}, 88) = 5187 [ 78.123827][ T5182] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 78.143863][ T5177] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 78.160217][ T5184] loop2: detected capacity change from 0 to 8192 [pid 5184] munmap(0x7feca2c44000, 138412032./strace-static-x86_64: Process 5187 attached [pid 5168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5187] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5187] set_robust_list(0x7fecab0439a0, 24 [pid 5168] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [], [pid 5168] <... futex resumed>) = 0 [pid 5187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5187] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5168] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... munmap resumed>) = 0 [pid 5184] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5184] ioctl(4, LOOP_SET_FD, 3 [pid 5177] <... mount resumed>) = 0 [pid 5177] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5177] chdir(".") = 0 [pid 5177] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... futex resumed>) = 0 [pid 5175] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5175] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... futex resumed>) = 1 [pid 5177] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5184] <... ioctl resumed>) = 0 [pid 5177] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] close(3) = 0 [pid 5184] mkdir("./file0", 0777) = 0 [pid 5187] <... openat resumed>) = 6 [pid 5177] <... futex resumed>) = 1 [pid 5175] <... futex resumed>) = 0 [pid 5177] ftruncate(5, 100663296 [pid 5175] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5184] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5175] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5168] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 0 [pid 5168] <... futex resumed>) = 1 [pid 5168] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5177] <... ftruncate resumed>) = 0 [pid 5171] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5176] <... mount resumed>) = 0 [pid 5176] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5171] <... openat resumed>) = 7 [pid 5176] chdir(".") = 0 [ 78.165542][ T5176] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 78.179211][ T5182] REISERFS (device loop3): using ordered data mode [ 78.190134][ T5182] reiserfs: using flush barriers [ 78.207550][ T5184] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5176] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5171] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5171] <... futex resumed>) = 1 [pid 5168] <... futex resumed>) = 0 [pid 5168] exit_group(0) = ? [pid 5173] <... futex resumed>) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5176] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5175] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... openat resumed>) = 5 [pid 5175] <... futex resumed>) = 0 [pid 5173] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] +++ exited with 0 +++ [pid 5177] <... futex resumed>) = 0 [pid 5175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5187] <... futex resumed>) = ? [pid 5177] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5187] +++ exited with 0 +++ [pid 5168] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5176] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5176] <... futex resumed>) = 1 [pid 5175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5176] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} => {parent_tid=[5189]}, 88) = 5189 [pid 5175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5175] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5176] <... futex resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5176] ftruncate(5, 100663296 [pid 5175] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5189 attached [pid 5189] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5176] <... ftruncate resumed>) = 0 [pid 5189] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5189] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5062] newfstatat(3, "", [pid 5176] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5176] <... futex resumed>) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5062] getdents64(3, [pid 5176] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5176] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 1 [pid 5062] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 78.229486][ T5182] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 78.238382][ T5184] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5176] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5173] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5176] <... openat resumed>) = 6 [pid 5189] <... openat resumed>) = 6 [pid 5062] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./5/binderfs" [pid 5176] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5176] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... futex resumed>) = 0 [pid 5173] <... futex resumed>) = 0 [pid 5175] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... futex resumed>) = 0 [pid 5175] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5173] <... futex resumed>) = 1 [pid 5177] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5176] <... futex resumed>) = 0 [pid 5176] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5173] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5177] <... openat resumed>) = 7 [pid 5176] <... openat resumed>) = 7 [pid 5189] <... futex resumed>) = 1 [pid 5189] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5176] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5176] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5173] exit_group(0 [pid 5176] <... futex resumed>) = ? [pid 5173] <... exit_group resumed>) = ? [pid 5176] +++ exited with 0 +++ [pid 5062] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5173] +++ exited with 0 +++ [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5177] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... umount2 resumed>) = 0 [pid 5057] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 78.290480][ T5182] REISERFS (device loop3): checking transaction log (loop3) [ 78.300930][ T5184] REISERFS (device loop2): using ordered data mode [ 78.316145][ T5184] reiserfs: using flush barriers [ 78.333528][ T5182] REISERFS (device loop3): Using r5 hash to sort names [pid 5057] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5182] <... mount resumed>) = 0 [pid 5177] <... futex resumed>) = 1 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... openat resumed>) = 3 [pid 5182] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5177] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] newfstatat(AT_FDCWD, "./5/file0", [pid 5057] newfstatat(3, "", [pid 5182] <... openat resumed>) = 3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] getdents64(3, [pid 5182] chdir("./file0" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5182] <... chdir resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5182] ioctl(4, LOOP_CLR_FD [pid 5058] <... openat resumed>) = 4 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... ioctl resumed>) = 0 [pid 5058] newfstatat(4, "", [pid 5057] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5182] close(4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5182] <... close resumed>) = 0 [pid 5175] <... futex resumed>) = 0 [pid 5058] getdents64(4, [pid 5182] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] unlink("./5/binderfs" [pid 5182] <... futex resumed>) = 1 [pid 5182] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] <... unlink resumed>) = 0 [pid 5057] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5180] <... futex resumed>) = 0 [pid 5175] exit_group(0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5180] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5175] <... exit_group resumed>) = ? [pid 5189] <... futex resumed>) = ? [pid 5177] <... futex resumed>) = ? [pid 5058] getdents64(4, [pid 5189] +++ exited with 0 +++ [pid 5177] +++ exited with 0 +++ [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4) = 0 [pid 5058] rmdir("./5/file0" [pid 5182] <... futex resumed>) = 0 [pid 5180] <... futex resumed>) = 1 [pid 5175] +++ exited with 0 +++ [pid 5058] <... rmdir resumed>) = 0 [pid 5182] mkdir(".", 0777 [pid 5180] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5182] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5058] getdents64(3, [pid 5182] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5061] <... restart_syscall resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5061] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] rmdir("./5" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... rmdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] mkdir("./6", 0777 [pid 5061] <... openat resumed>) = 3 [pid 5058] <... mkdir resumed>) = 0 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./5/binderfs") = 0 [ 78.341368][ T5184] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 78.371088][ T5182] reiserfs: enabling write barrier flush mode [ 78.382416][ T5184] REISERFS (device loop2): checking transaction log (loop2) [pid 5061] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... openat resumed>) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5058] close(3) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5190 ./strace-static-x86_64: Process 5190 attached [pid 5190] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5190] chdir("./6") = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5190] setpgid(0, 0) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5190] write(3, "1000", 4) = 4 [pid 5190] close(3) = 0 [pid 5190] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5190] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5190] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5182] <... mount resumed>) = 0 [pid 5190] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5190] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5182] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5182] <... openat resumed>) = 4 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5182] chdir("." [pid 5190] <... mmap resumed>) = 0x7fecab044000 [pid 5182] <... chdir resumed>) = 0 [pid 5182] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5182] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5190] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 78.401472][ T5182] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5190] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5191 attached => {parent_tid=[5191]}, 88) = 5191 [pid 5191] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], [pid 5191] <... rseq resumed>) = 0 [pid 5190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5180] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] <... futex resumed>) = 0 [pid 5180] <... futex resumed>) = 1 [pid 5180] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] set_robust_list(0x7fecab0649a0, 24 [pid 5190] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5182] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5190] <... futex resumed>) = 0 [pid 5182] <... openat resumed>) = 5 [pid 5190] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5191] <... set_robust_list resumed>) = 0 [pid 5182] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] rt_sigprocmask(SIG_SETMASK, [], [pid 5182] <... futex resumed>) = 0 [pid 5191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5182] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] memfd_create("syzkaller", 0) = 3 [pid 5191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5180] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5180] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] <... futex resumed>) = 0 [pid 5182] ftruncate(5, 100663296) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5184] <... mount resumed>) = 0 [ 78.467325][ T5184] REISERFS (device loop2): Using r5 hash to sort names [pid 5062] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5062] newfstatat(AT_FDCWD, "./5/file0", [pid 5184] <... openat resumed>) = 3 [pid 5184] chdir("./file0" [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5184] <... chdir resumed>) = 0 [pid 5182] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5057] <... umount2 resumed>) = 0 [pid 5184] ioctl(4, LOOP_CLR_FD [pid 5182] <... futex resumed>) = 0 [pid 5180] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... ioctl resumed>) = 0 [pid 5182] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5180] <... futex resumed>) = 0 [pid 5062] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] close(4 [pid 5180] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... close resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5057] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(4, "", [pid 5184] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5181] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 5181] <... futex resumed>) = 0 [pid 5184] mkdir(".", 0777 [pid 5181] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] newfstatat(AT_FDCWD, "./5/file0", [pid 5184] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] getdents64(4, [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5184] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5057] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5057] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] close(4 [pid 5061] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] getdents64(4, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./5/file0", [pid 5057] close(4 [pid 5182] <... openat resumed>) = 6 [pid 5062] rmdir("./5/file0" [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./5/file0") = 0 [pid 5191] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5057] getdents64(3, [pid 5062] <... rmdir resumed>) = 0 [pid 5061] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5182] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(3, [pid 5057] close(3 [pid 5182] <... futex resumed>) = 0 [pid 5180] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5057] <... close resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 5062] close(3 [pid 5182] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5180] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5057] rmdir("./5" [pid 5182] <... openat resumed>) = 7 [pid 5057] <... rmdir resumed>) = 0 [pid 5180] <... futex resumed>) = 0 [pid 5062] rmdir("./5" [pid 5057] mkdir("./6", 0777 [pid 5180] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... rmdir resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5062] mkdir("./6", 0777 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] <... mkdir resumed>) = 0 [pid 5061] getdents64(4, [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5182] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5184] <... mount resumed>) = 0 [pid 5182] <... futex resumed>) = 1 [pid 5180] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5061] getdents64(4, [pid 5184] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5182] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5180] exit_group(0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(3 [pid 5184] <... openat resumed>) = 4 [pid 5182] <... futex resumed>) = ? [pid 5180] <... exit_group resumed>) = ? [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] close(4 [pid 5057] <... close resumed>) = 0 [pid 5184] chdir("." [pid 5182] +++ exited with 0 +++ [pid 5062] close(3 [pid 5061] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] <... chdir resumed>) = 0 [pid 5180] +++ exited with 0 +++ [pid 5062] <... close resumed>) = 0 [pid 5061] rmdir("./5/file0"./strace-static-x86_64: Process 5192 attached [pid 5184] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5184] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5192 [pid 5192] set_robust_list(0x55555568a6a0, 24 [pid 5184] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5193 attached [pid 5192] <... set_robust_list resumed>) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5181] <... futex resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5193 [pid 5061] getdents64(3, [pid 5060] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5193] set_robust_list(0x55555568a6a0, 24 [pid 5192] chdir("./6" [pid 5184] <... openat resumed>) = 5 [pid 5181] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5060] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, [pid 5192] <... chdir resumed>) = 0 [pid 5184] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] close(3 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5184] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5193] chdir("./6" [pid 5181] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./5" [pid 5193] <... chdir resumed>) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5184] ftruncate(5, 100663296 [pid 5181] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... rmdir resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5193] setpgid(0, 0 [pid 5061] mkdir("./6", 0777 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5193] <... setpgid resumed>) = 0 [pid 5060] unlink("./5/binderfs" [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... mkdir resumed>) = 0 [pid 5193] <... openat resumed>) = 3 [pid 5192] <... prctl resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... unlink resumed>) = 0 [pid 5193] write(3, "1000", 4) = 4 [pid 5193] close(3 [pid 5061] <... openat resumed>) = 3 [pid 5060] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5193] <... close resumed>) = 0 [pid 5192] setpgid(0, 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5193] symlink("/dev/binderfs", "./binderfs" [pid 5192] <... setpgid resumed>) = 0 [pid 5193] <... symlink resumed>) = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5192] <... openat resumed>) = 3 [pid 5061] close(3 [pid 5193] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5193] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5192] write(3, "1000", 4 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5193] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] <... write resumed>) = 4 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5194 [pid 5193] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5194 attached [pid 5193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5192] close(3./strace-static-x86_64: Process 5195 attached [pid 5194] set_robust_list(0x55555568a6a0, 24 [pid 5192] <... close resumed>) = 0 [pid 5184] <... ftruncate resumed>) = 0 [pid 5193] <... clone3 resumed> => {parent_tid=[5195]}, 88) = 5195 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5193] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] chdir("./6" [pid 5193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5193] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5195] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5194] <... chdir resumed>) = 0 [ 78.580761][ T5184] reiserfs: enabling write barrier flush mode [ 78.592125][ T5184] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5195] <... rseq resumed>) = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5194] <... prctl resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] setpgid(0, 0 [pid 5195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] <... setpgid resumed>) = 0 [pid 5195] memfd_create("syzkaller", 0 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] <... memfd_create resumed>) = 3 [pid 5194] <... openat resumed>) = 3 [pid 5192] symlink("/dev/binderfs", "./binderfs" [pid 5195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5194] write(3, "1000", 4 [pid 5184] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... mmap resumed>) = 0x7feca2c44000 [pid 5194] <... write resumed>) = 4 [pid 5184] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5194] close(3 [pid 5192] <... symlink resumed>) = 0 [pid 5181] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5194] <... close resumed>) = 0 [pid 5191] <... write resumed>) = 4194304 [pid 5194] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5194] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5194] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5191] munmap(0x7feca2c44000, 138412032 [pid 5194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5194] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5191] <... munmap resumed>) = 0 [pid 5194] <... mprotect resumed>) = 0 [pid 5181] <... futex resumed>) = 0 [pid 5194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5192] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] <... openat resumed>) = 6 [pid 5181] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... futex resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5192] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5191] <... openat resumed>) = 4 [pid 5194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5196 attached [pid 5192] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5191] ioctl(4, LOOP_SET_FD, 3 [pid 5196] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5194] <... clone3 resumed> => {parent_tid=[5196]}, 88) = 5196 [pid 5196] <... rseq resumed>) = 0 [pid 5194] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] set_robust_list(0x7fecab0649a0, 24 [pid 5194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5194] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] rt_sigprocmask(SIG_SETMASK, [], [pid 5194] <... futex resumed>) = 0 [pid 5196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5194] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5196] memfd_create("syzkaller", 0) = 3 [pid 5192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5196] <... mmap resumed>) = 0x7feca2c44000 [pid 5192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5191] <... ioctl resumed>) = 0 [pid 5192] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5191] close(3 [pid 5184] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] <... mprotect resumed>) = 0 [pid 5191] <... close resumed>) = 0 [pid 5184] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5191] mkdir("./file0", 0777 [pid 5181] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5181] <... futex resumed>) = 0 [pid 5181] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5191] <... mkdir resumed>) = 0 [pid 5184] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5060] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5191] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5192] <... clone3 resumed> => {parent_tid=[5197]}, 88) = 5197 [pid 5060] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5197 attached [pid 5192] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5197] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5184] <... openat resumed>) = 7 [pid 5197] <... rseq resumed>) = 0 [pid 5192] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 4 [pid 5197] set_robust_list(0x7fecab0649a0, 24 [pid 5192] <... futex resumed>) = 0 [pid 5184] <... futex resumed>) = 1 [pid 5181] <... futex resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 5197] <... set_robust_list resumed>) = 0 [pid 5192] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5184] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5181] exit_group(0 [pid 5197] rt_sigprocmask(SIG_SETMASK, [], [pid 5184] <... futex resumed>) = ? [pid 5181] <... exit_group resumed>) = ? [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] memfd_create("syzkaller", 0 [pid 5184] +++ exited with 0 +++ [pid 5197] <... memfd_create resumed>) = 3 [pid 5181] +++ exited with 0 +++ [pid 5060] getdents64(4, [pid 5197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 78.758711][ T5191] loop1: detected capacity change from 0 to 8192 [pid 5195] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5197] <... mmap resumed>) = 0x7feca2c44000 [pid 5059] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5060] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] close(4 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./5/file0" [pid 5059] <... openat resumed>) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] close(3 [pid 5059] unlink("./5/binderfs" [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./5" [pid 5059] <... unlink resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5059] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] mkdir("./6", 0777 [pid 5196] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5060] <... mkdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] close(3) = 0 [ 78.815214][ T5191] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5199 attached [pid 5199] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5199] chdir("./6" [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5199 [pid 5199] <... chdir resumed>) = 0 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5199] setpgid(0, 0) = 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5199] write(3, "1000", 4) = 4 [pid 5199] close(3) = 0 [ 78.882143][ T5191] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5199] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5197] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5196] <... write resumed>) = 4194304 [pid 5199] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] munmap(0x7feca2c44000, 138412032 [pid 5059] <... umount2 resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5199] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5196] <... munmap resumed>) = 0 [pid 5059] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5196] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5196] <... openat resumed>) = 4 [pid 5059] newfstatat(AT_FDCWD, "./5/file0", [pid 5196] ioctl(4, LOOP_SET_FD, 3 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5199] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5199] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5059] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5196] <... ioctl resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5200 attached [pid 5196] close(3 [pid 5059] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5200] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5199] <... clone3 resumed> => {parent_tid=[5200]}, 88) = 5200 [pid 5196] <... close resumed>) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5200] <... rseq resumed>) = 0 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] mkdir("./file0", 0777 [pid 5059] newfstatat(4, "", [pid 5200] set_robust_list(0x7fecab0649a0, 24 [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 78.938598][ T5191] REISERFS (device loop1): using ordered data mode [ 78.969367][ T5196] loop4: detected capacity change from 0 to 8192 [ 78.974774][ T5191] reiserfs: using flush barriers [pid 5199] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] <... futex resumed>) = 0 [pid 5196] <... mkdir resumed>) = 0 [pid 5195] <... write resumed>) = 4194304 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5200] rt_sigprocmask(SIG_SETMASK, [], [pid 5196] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] getdents64(4, [pid 5200] memfd_create("syzkaller", 0 [pid 5199] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5200] <... memfd_create resumed>) = 3 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5195] munmap(0x7feca2c44000, 138412032 [pid 5059] getdents64(4, [pid 5200] <... mmap resumed>) = 0x7feca2c44000 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5195] <... munmap resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5195] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5059] rmdir("./5/file0" [pid 5195] <... openat resumed>) = 4 [pid 5059] <... rmdir resumed>) = 0 [pid 5195] ioctl(4, LOOP_SET_FD, 3 [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [ 78.994803][ T5191] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.028767][ T5195] loop5: detected capacity change from 0 to 8192 [pid 5059] close(3) = 0 [pid 5059] rmdir("./5") = 0 [pid 5059] mkdir("./6", 0777 [pid 5200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5195] <... ioctl resumed>) = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5195] close(3 [pid 5059] close(3 [pid 5195] <... close resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5195] mkdir("./file0", 0777) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5195] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5202 [ 79.033581][ T5196] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.063674][ T5191] REISERFS (device loop1): checking transaction log (loop1) [ 79.084655][ T5196] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5197] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 5202 attached [pid 5202] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5202] chdir("./6") = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5202] setpgid(0, 0) = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5191] <... mount resumed>) = 0 [pid 5202] write(3, "1000", 4) = 4 [ 79.092244][ T5195] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.093878][ T5196] REISERFS (device loop4): using ordered data mode [ 79.113914][ T5196] reiserfs: using flush barriers [ 79.119737][ T5191] REISERFS (device loop1): Using r5 hash to sort names [ 79.129753][ T5196] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5202] close(3) = 0 [pid 5202] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5202] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5202] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5197] munmap(0x7feca2c44000, 138412032 [pid 5202] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5197] <... munmap resumed>) = 0 [pid 5202] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5191] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5191] <... openat resumed>) = 3 [pid 5202] <... mmap resumed>) = 0x7fecab044000 [pid 5197] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5202] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5197] <... openat resumed>) = 4 [pid 5202] <... mprotect resumed>) = 0 [pid 5197] ioctl(4, LOOP_SET_FD, 3 [pid 5202] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5191] chdir("./file0" [pid 5202] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5202] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5204]}, 88) = 5204 [pid 5202] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5204 attached NULL, 8) = 0 [pid 5191] <... chdir resumed>) = 0 [pid 5202] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5197] <... ioctl resumed>) = 0 [pid 5191] ioctl(4, LOOP_CLR_FD [pid 5202] <... futex resumed>) = 0 [pid 5204] <... rseq resumed>) = 0 [pid 5200] <... write resumed>) = 4194304 [pid 5197] close(3 [pid 5196] <... mount resumed>) = 0 [pid 5191] <... ioctl resumed>) = 0 [ 79.147423][ T5196] REISERFS (device loop4): checking transaction log (loop4) [ 79.151123][ T5197] loop0: detected capacity change from 0 to 8192 [ 79.156418][ T5196] REISERFS (device loop4): Using r5 hash to sort names [ 79.170164][ T5195] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 79.179791][ T5195] REISERFS (device loop5): using ordered data mode [ 79.187149][ T5195] reiserfs: using flush barriers [pid 5204] set_robust_list(0x7fecab0649a0, 24 [pid 5202] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5200] munmap(0x7feca2c44000, 138412032 [pid 5197] <... close resumed>) = 0 [pid 5196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5191] close(4 [pid 5200] <... munmap resumed>) = 0 [pid 5200] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5204] <... set_robust_list resumed>) = 0 [pid 5197] mkdir("./file0", 0777 [pid 5196] <... openat resumed>) = 3 [pid 5191] <... close resumed>) = 0 [pid 5204] rt_sigprocmask(SIG_SETMASK, [], [pid 5200] <... openat resumed>) = 4 [pid 5197] <... mkdir resumed>) = 0 [pid 5196] chdir("./file0" [pid 5191] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5200] ioctl(4, LOOP_SET_FD, 3 [pid 5196] <... chdir resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5204] memfd_create("syzkaller", 0 [pid 5200] <... ioctl resumed>) = 0 [pid 5197] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5196] ioctl(4, LOOP_CLR_FD [pid 5190] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... memfd_create resumed>) = 3 [pid 5191] mkdir(".", 0777 [pid 5190] <... futex resumed>) = 0 [pid 5191] <... mkdir resumed>) = -1 EEXIST (File exists) [ 79.194185][ T5195] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.217435][ T5200] loop3: detected capacity change from 0 to 8192 [ 79.221769][ T5195] REISERFS (device loop5): checking transaction log (loop5) [ 79.231970][ T5191] reiserfs: enabling write barrier flush mode [pid 5190] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5196] <... ioctl resumed>) = 0 [pid 5191] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5204] <... mmap resumed>) = 0x7feca2c44000 [pid 5196] close(4) = 0 [pid 5196] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 79.245617][ T5197] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.260141][ T5195] REISERFS (device loop5): Using r5 hash to sort names [ 79.278828][ T5197] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 79.280435][ T5191] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5196] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5200] close(3 [pid 5194] <... futex resumed>) = 0 [pid 5195] <... mount resumed>) = 0 [pid 5194] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5194] <... futex resumed>) = 0 [pid 5200] <... close resumed>) = 0 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... openat resumed>) = 3 [pid 5194] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5195] chdir("./file0") = 0 [pid 5195] ioctl(4, LOOP_CLR_FD) = 0 [pid 5195] close(4) = 0 [pid 5200] mkdir("./file0", 0777 [pid 5196] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5196] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5200] <... mkdir resumed>) = 0 [pid 5200] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5191] <... mount resumed>) = 0 [pid 5204] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5195] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5195] <... futex resumed>) = 1 [pid 5191] <... openat resumed>) = 4 [pid 5195] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] chdir(".") = 0 [ 79.288811][ T5197] REISERFS (device loop0): using ordered data mode [ 79.304063][ T5197] reiserfs: using flush barriers [ 79.310749][ T5196] reiserfs: enabling write barrier flush mode [ 79.321507][ T5196] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 79.332107][ T5200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5193] <... futex resumed>) = 0 [pid 5191] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5193] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 1 [pid 5190] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5193] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5190] <... futex resumed>) = 1 [pid 5195] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5191] <... futex resumed>) = 0 [pid 5190] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5191] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5191] ftruncate(5, 100663296 [pid 5190] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 79.354219][ T5197] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.371989][ T5195] reiserfs: enabling write barrier flush mode [pid 5190] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... mount resumed>) = 0 [pid 5191] <... ftruncate resumed>) = 0 [pid 5196] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5196] chdir(".") = 0 [pid 5196] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5196] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5194] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... openat resumed>) = 5 [pid 5194] <... futex resumed>) = 0 [pid 5196] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5194] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 0 [pid 5194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5196] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] <... futex resumed>) = 0 [pid 5196] ftruncate(5, 100663296 [pid 5194] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5191] <... futex resumed>) = 0 [pid 5190] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... write resumed>) = 4194304 [pid 5191] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5190] <... futex resumed>) = 0 [pid 5190] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... ftruncate resumed>) = 0 [ 79.404122][ T5195] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 79.431658][ T5200] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 79.441347][ T5200] REISERFS (device loop3): using ordered data mode [ 79.448372][ T5200] reiserfs: using flush barriers [pid 5204] munmap(0x7feca2c44000, 138412032) = 0 [pid 5195] <... mount resumed>) = 0 [pid 5204] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5196] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5194] <... futex resumed>) = 0 [pid 5194] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... openat resumed>) = 4 [pid 5195] <... openat resumed>) = 4 [pid 5191] <... openat resumed>) = 6 [pid 5204] ioctl(4, LOOP_SET_FD, 3 [pid 5195] chdir(".") = 0 [pid 5200] <... mount resumed>) = 0 [pid 5196] <... openat resumed>) = 6 [pid 5195] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... ioctl resumed>) = 0 [pid 5190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 79.455986][ T5200] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.473059][ T5200] REISERFS (device loop3): checking transaction log (loop3) [ 79.478625][ T5204] loop2: detected capacity change from 0 to 8192 [ 79.482417][ T5200] REISERFS (device loop3): Using r5 hash to sort names [ 79.489928][ T5197] REISERFS (device loop0): checking transaction log (loop0) [pid 5200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5196] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 0 [pid 5190] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] close(3 [pid 5200] <... openat resumed>) = 3 [pid 5196] <... futex resumed>) = 1 [pid 5195] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5190] <... futex resumed>) = 0 [pid 5197] <... mount resumed>) = 0 [pid 5204] <... close resumed>) = 0 [pid 5200] chdir("./file0" [pid 5196] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5190] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] mkdir("./file0", 0777 [pid 5200] <... chdir resumed>) = 0 [pid 5197] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5194] <... futex resumed>) = 0 [pid 5193] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... openat resumed>) = 7 [pid 5204] <... mkdir resumed>) = 0 [pid 5200] ioctl(4, LOOP_CLR_FD [pid 5197] <... openat resumed>) = 3 [pid 5200] <... ioctl resumed>) = 0 [pid 5204] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5200] close(4 [pid 5197] chdir("./file0" [pid 5194] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... close resumed>) = 0 [pid 5196] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5195] <... openat resumed>) = 5 [pid 5191] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5195] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] exit_group(0 [pid 5195] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = ? [pid 5190] <... exit_group resumed>) = ? [pid 5196] <... openat resumed>) = 7 [pid 5195] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] +++ exited with 0 +++ [pid 5190] +++ exited with 0 +++ [pid 5193] <... futex resumed>) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5196] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5193] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 1 [pid 5195] ftruncate(5, 100663296 [pid 5194] <... futex resumed>) = 0 [pid 5196] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] exit_group(0 [pid 5200] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = ? [ 79.502959][ T5197] REISERFS (device loop0): Using r5 hash to sort names [ 79.520115][ T5204] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.544546][ T5204] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5194] <... exit_group resumed>) = ? [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5197] <... chdir resumed>) = 0 [pid 5196] +++ exited with 0 +++ [pid 5195] <... ftruncate resumed>) = 0 [pid 5194] +++ exited with 0 +++ [pid 5200] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] ioctl(4, LOOP_CLR_FD [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5200] mkdir(".", 0777 [pid 5199] <... futex resumed>) = 0 [pid 5197] <... ioctl resumed>) = 0 [pid 5058] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5197] close(4 [pid 5200] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5197] <... close resumed>) = 0 [pid 5199] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5058] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5197] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] unlink("./6/binderfs" [pid 5197] <... futex resumed>) = 1 [pid 5197] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5192] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5058] <... unlink resumed>) = 0 [pid 5192] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5195] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(3, "", [pid 5195] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5195] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5193] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(3, [pid 5197] <... futex resumed>) = 0 [pid 5193] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5197] mkdir(".", 0777 [pid 5193] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... mount resumed>) = 0 [pid 5197] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5197] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5061] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 79.553825][ T5204] REISERFS (device loop2): using ordered data mode [ 79.563091][ T5200] reiserfs: enabling write barrier flush mode [ 79.572743][ T5200] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 79.593148][ T5197] reiserfs: enabling write barrier flush mode [pid 5061] unlink("./6/binderfs") = 0 [pid 5061] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... openat resumed>) = 4 [pid 5200] chdir("." [pid 5195] <... openat resumed>) = 6 [pid 5200] <... chdir resumed>) = 0 [pid 5195] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5200] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] <... futex resumed>) = 0 [pid 5193] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5195] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5193] <... futex resumed>) = 0 [pid 5200] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5199] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 79.604666][ T5204] reiserfs: using flush barriers [ 79.617168][ T5204] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.642570][ T5204] REISERFS (device loop2): checking transaction log (loop2) [pid 5193] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5204] <... mount resumed>) = 0 [pid 5200] <... openat resumed>) = 5 [pid 5199] <... futex resumed>) = 0 [pid 5195] <... openat resumed>) = 7 [pid 5200] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5195] <... futex resumed>) = 1 [pid 5193] <... futex resumed>) = 0 [pid 5200] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5195] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5193] exit_group(0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... futex resumed>) = 0 [pid 5195] <... futex resumed>) = ? [pid 5193] <... exit_group resumed>) = ? [pid 5204] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5200] ftruncate(5, 100663296 [pid 5199] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5195] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5204] <... openat resumed>) = 3 [pid 5062] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5204] chdir("./file0" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] <... chdir resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5204] ioctl(4, LOOP_CLR_FD [pid 5197] <... mount resumed>) = 0 [pid 5062] getdents64(3, [pid 5204] <... ioctl resumed>) = 0 [pid 5197] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5204] close(4 [pid 5197] <... openat resumed>) = 4 [ 79.655446][ T5204] REISERFS (device loop2): Using r5 hash to sort names [ 79.672959][ T5197] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5062] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5197] chdir("." [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] <... close resumed>) = 0 [pid 5197] <... chdir resumed>) = 0 [pid 5197] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5197] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5204] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5200] <... ftruncate resumed>) = 0 [pid 5062] unlink("./6/binderfs") = 0 [pid 5204] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] <... futex resumed>) = 0 [pid 5202] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5202] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5204] mkdir(".", 0777 [pid 5199] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5199] <... futex resumed>) = 0 [pid 5204] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5200] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5192] <... futex resumed>) = 0 [pid 5199] <... mmap resumed>) = 0x7fecab023000 [pid 5192] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5200] <... futex resumed>) = 0 [pid 5197] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5197] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5192] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] <... mprotect resumed>) = 0 [pid 5197] <... openat resumed>) = 5 [pid 5199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5197] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5197] <... futex resumed>) = 1 [pid 5197] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5192] <... futex resumed>) = 0 [pid 5192] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5208 attached [pid 5208] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5199] <... clone3 resumed> => {parent_tid=[5208]}, 88) = 5208 [pid 5197] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 1 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], [pid 5192] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5197] ftruncate(5, 100663296 [pid 5199] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5199] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] <... rseq resumed>) = 0 [pid 5208] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5208] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5208] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 6 [pid 5197] <... ftruncate resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [ 79.741535][ T5204] reiserfs: enabling write barrier flush mode [ 79.781630][ T5204] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5061] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5199] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5192] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... umount2 resumed>) = 0 [pid 5204] <... mount resumed>) = 0 [pid 5199] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(AT_FDCWD, "./6/file0", [pid 5204] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5192] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5208] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5199] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5197] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5192] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5208] <... futex resumed>) = 0 [pid 5200] <... openat resumed>) = 7 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5208] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5058] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(4, "", [pid 5200] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5061] getdents64(4, [pid 5058] newfstatat(AT_FDCWD, "./6/file0", [pid 5204] <... openat resumed>) = 4 [pid 5200] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] exit_group(0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5208] <... futex resumed>) = ? [pid 5200] <... futex resumed>) = ? [pid 5199] <... exit_group resumed>) = ? [pid 5061] getdents64(4, [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5208] +++ exited with 0 +++ [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4 [pid 5058] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./6/file0" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] chdir("." [pid 5200] +++ exited with 0 +++ [pid 5199] +++ exited with 0 +++ [pid 5061] <... rmdir resumed>) = 0 [pid 5061] getdents64(3, [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5058] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5061] close(3 [pid 5060] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(4, "", [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... close resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] rmdir("./6" [pid 5060] <... openat resumed>) = 3 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] newfstatat(3, "", [pid 5058] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] mkdir("./7", 0777 [pid 5060] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] getdents64(4, [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./6/binderfs") = 0 [pid 5060] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] close(4) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5058] rmdir("./6/file0" [pid 5061] <... openat resumed>) = 3 [pid 5058] <... rmdir resumed>) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5061] close(3 [pid 5058] getdents64(3, [pid 5204] <... chdir resumed>) = 0 [pid 5197] <... openat resumed>) = 6 [pid 5061] <... close resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5204] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5204] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5197] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5058] close(3 [pid 5204] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5202] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5192] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5209 attached [pid 5202] <... futex resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5204] <... openat resumed>) = 5 [pid 5202] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5192] <... futex resumed>) = 0 [pid 5058] rmdir("./6" [pid 5197] <... openat resumed>) = 7 [pid 5204] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5192] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... rmdir resumed>) = 0 [pid 5209] set_robust_list(0x55555568a6a0, 24 [pid 5204] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5202] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5197] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] mkdir("./7", 0777 [pid 5209] chdir("./7" [pid 5204] ftruncate(5, 100663296 [pid 5202] <... futex resumed>) = 0 [pid 5197] <... futex resumed>) = 1 [pid 5192] <... futex resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5209 [pid 5202] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] <... chdir resumed>) = 0 [pid 5192] exit_group(0 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] <... mkdir resumed>) = 0 [pid 5209] <... prctl resumed>) = 0 [pid 5209] setpgid(0, 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5209] <... setpgid resumed>) = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] <... ftruncate resumed>) = 0 [pid 5192] <... exit_group resumed>) = ? [pid 5058] <... openat resumed>) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5209] <... openat resumed>) = 3 [pid 5058] close(3 [pid 5209] write(3, "1000", 4 [pid 5058] <... close resumed>) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] +++ exited with 0 +++ [pid 5192] +++ exited with 0 +++ [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5057] restart_syscall(<... resuming interrupted clone ...> [pid 5209] <... write resumed>) = 4 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5210 [pid 5057] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5210 attached [pid 5210] set_robust_list(0x55555568a6a0, 24 [pid 5209] close(3 [pid 5057] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5210] <... set_robust_list resumed>) = 0 [pid 5209] <... close resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] chdir("./7" [pid 5209] symlink("/dev/binderfs", "./binderfs" [pid 5057] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5210] <... chdir resumed>) = 0 [pid 5209] <... symlink resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5057] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5209] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5210] <... prctl resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5210] setpgid(0, 0 [pid 5209] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] <... setpgid resumed>) = 0 [pid 5209] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5209] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5204] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... openat resumed>) = 3 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5057] unlink("./6/binderfs" [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5202] <... futex resumed>) = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5210] write(3, "1000", 4 [pid 5209] <... mmap resumed>) = 0x7fecab044000 [pid 5202] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5210] <... write resumed>) = 4 [pid 5209] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5204] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5202] <... futex resumed>) = 0 [pid 5210] close(3 [pid 5209] <... mprotect resumed>) = 0 [pid 5202] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... close resumed>) = 0 [pid 5209] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5210] symlink("/dev/binderfs", "./binderfs" [pid 5209] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5210] <... symlink resumed>) = 0 [pid 5209] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5210] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5211 attached [pid 5209] <... clone3 resumed> => {parent_tid=[5211]}, 88) = 5211 [pid 5204] <... openat resumed>) = 6 [pid 5211] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5210] <... futex resumed>) = 0 [pid 5209] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... umount2 resumed>) = 0 [pid 5211] set_robust_list(0x7fecab0649a0, 24 [pid 5209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5209] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5209] <... futex resumed>) = 0 [pid 5211] rt_sigprocmask(SIG_SETMASK, [], [pid 5209] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5211] memfd_create("syzkaller", 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] <... memfd_create resumed>) = 3 [pid 5210] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5204] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./6/file0", [pid 5211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5211] <... mmap resumed>) = 0x7feca2c44000 [pid 5210] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5062] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5204] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5202] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5204] <... futex resumed>) = 0 [pid 5202] <... futex resumed>) = 1 [pid 5062] <... openat resumed>) = 4 [pid 5204] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5210] <... mmap resumed>) = 0x7fecab044000 [pid 5202] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5204] <... openat resumed>) = 7 [pid 5062] newfstatat(4, "", [pid 5210] <... mprotect resumed>) = 0 [pid 5204] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5212]}, 88) = 5212 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5204] <... futex resumed>) = 1 [pid 5202] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5210] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5204] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5202] exit_group(0./strace-static-x86_64: Process 5212 attached [pid 5210] <... futex resumed>) = 0 [pid 5204] <... futex resumed>) = ? [pid 5202] <... exit_group resumed>) = ? [pid 5062] getdents64(4, [pid 5212] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5210] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5204] +++ exited with 0 +++ [pid 5202] +++ exited with 0 +++ [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5212] <... rseq resumed>) = 0 [pid 5062] getdents64(4, [pid 5060] <... umount2 resumed>) = 0 [pid 5212] set_robust_list(0x7fecab0649a0, 24 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5212] <... set_robust_list resumed>) = 0 [pid 5059] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5059] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5212] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] newfstatat(3, "", [pid 5212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5212] memfd_create("syzkaller", 0 [pid 5059] getdents64(3, [pid 5212] <... memfd_create resumed>) = 3 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5212] <... mmap resumed>) = 0x7feca2c44000 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] close(4 [pid 5059] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./6/binderfs" [pid 5062] <... close resumed>) = 0 [pid 5059] <... unlink resumed>) = 0 [pid 5062] rmdir("./6/file0" [pid 5059] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... rmdir resumed>) = 0 [pid 5060] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5060] newfstatat(AT_FDCWD, "./6/file0", [pid 5062] close(3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./6" [pid 5060] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5212] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... umount2 resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] mkdir("./7", 0777 [pid 5060] <... openat resumed>) = 4 [pid 5062] <... mkdir resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 5057] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... openat resumed>) = 3 [pid 5060] getdents64(4, [pid 5057] newfstatat(AT_FDCWD, "./6/file0", [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] getdents64(4, [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] close(3 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... close resumed>) = 0 [pid 5060] close(4 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... close resumed>) = 0 [pid 5057] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] rmdir("./6/file0" [pid 5057] <... openat resumed>) = 4 [pid 5060] <... rmdir resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5213 attached [pid 5060] close(3 [pid 5057] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] <... close resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5213 [pid 5057] getdents64(4, [pid 5060] rmdir("./6" [pid 5213] set_robust_list(0x55555568a6a0, 24 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5057] close(4) = 0 [pid 5060] mkdir("./7", 0777 [pid 5213] chdir("./7" [pid 5057] rmdir("./6/file0" [pid 5213] <... chdir resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5057] getdents64(3, [pid 5213] <... prctl resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5057] close(3 [pid 5213] setpgid(0, 0 [pid 5057] <... close resumed>) = 0 [pid 5213] <... setpgid resumed>) = 0 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] rmdir("./6" [pid 5060] close(3 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] <... close resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] mkdir("./7", 0777) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5214 [pid 5057] <... openat resumed>) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5214 attached ) = -1 ENXIO (No such device or address) [pid 5214] set_robust_list(0x55555568a6a0, 24 [pid 5057] close(3 [pid 5213] <... openat resumed>) = 3 [pid 5211] <... write resumed>) = 4194304 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5214] chdir("./7") = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5214] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5214] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5213] write(3, "1000", 4 [pid 5057] <... close resumed>) = 0 [pid 5214] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5213] <... write resumed>) = 4 [pid 5214] <... mprotect resumed>) = 0 [pid 5214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5213] close(3 [pid 5211] munmap(0x7feca2c44000, 138412032 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5213] <... close resumed>) = 0 [pid 5214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5215]}, 88) = 5215 [pid 5214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5214] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5214] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5215 attached [pid 5213] symlink("/dev/binderfs", "./binderfs" [pid 5215] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5211] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5216 attached [pid 5215] <... rseq resumed>) = 0 [pid 5213] <... symlink resumed>) = 0 [pid 5211] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5216] set_robust_list(0x55555568a6a0, 24 [pid 5215] set_robust_list(0x7fecab0649a0, 24 [pid 5212] <... write resumed>) = 4194304 [pid 5211] <... openat resumed>) = 4 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5216 [pid 5216] <... set_robust_list resumed>) = 0 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5211] ioctl(4, LOOP_SET_FD, 3 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5216] chdir("./7" [pid 5215] memfd_create("syzkaller", 0) = 3 [pid 5212] munmap(0x7feca2c44000, 138412032 [pid 5215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5212] <... munmap resumed>) = 0 [pid 5215] <... mmap resumed>) = 0x7feca2c44000 [pid 5216] <... chdir resumed>) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5216] setpgid(0, 0 [pid 5213] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... openat resumed>) = 4 [pid 5059] <... umount2 resumed>) = 0 [pid 5216] <... setpgid resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] ioctl(4, LOOP_SET_FD, 3 [pid 5213] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5216] <... openat resumed>) = 3 [pid 5213] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5216] write(3, "1000", 4 [pid 5213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5211] <... ioctl resumed>) = 0 [pid 5059] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5211] close(3 [pid 5216] <... write resumed>) = 4 [pid 5213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5211] <... close resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5216] close(3 [pid 5211] mkdir("./file0", 0777 [pid 5216] <... close resumed>) = 0 [pid 5215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5213] <... mmap resumed>) = 0x7fecab044000 [pid 5212] <... ioctl resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./6/file0", [pid 5216] symlink("/dev/binderfs", "./binderfs" [pid 5213] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5212] close(3 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5212] <... close resumed>) = 0 [pid 5212] mkdir("./file0", 0777 [pid 5059] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5216] <... symlink resumed>) = 0 [pid 5213] <... mprotect resumed>) = 0 [pid 5212] <... mkdir resumed>) = 0 [pid 5211] <... mkdir resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5216] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 80.198932][ T5211] loop4: detected capacity change from 0 to 8192 [ 80.217163][ T5212] loop1: detected capacity change from 0 to 8192 [pid 5213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5216] <... futex resumed>) = 0 [pid 5213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5211] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5059] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5216] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5059] newfstatat(4, "", [pid 5216] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5213] <... clone3 resumed> => {parent_tid=[5219]}, 88) = 5219 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5213] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5213] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 80.247397][ T5212] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.247905][ T5211] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.276532][ T5211] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 80.287111][ T5211] REISERFS (device loop4): using ordered data mode ./strace-static-x86_64: Process 5219 attached [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5219] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5216] <... mmap resumed>) = 0x7fecab044000 [pid 5059] getdents64(4, [pid 5219] <... rseq resumed>) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5219] set_robust_list(0x7fecab0649a0, 24 [pid 5059] getdents64(4, [pid 5219] <... set_robust_list resumed>) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5219] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] close(4 [pid 5219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5059] <... close resumed>) = 0 [pid 5219] memfd_create("syzkaller", 0 [pid 5216] <... mprotect resumed>) = 0 [pid 5059] rmdir("./6/file0" [pid 5219] <... memfd_create resumed>) = 3 [pid 5216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] <... rmdir resumed>) = 0 [pid 5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] getdents64(3, [pid 5219] <... mmap resumed>) = 0x7feca2c44000 [pid 5216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5220 attached [pid 5220] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5216] <... clone3 resumed> => {parent_tid=[5220]}, 88) = 5220 [pid 5059] close(3 [pid 5220] <... rseq resumed>) = 0 [pid 5216] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... close resumed>) = 0 [pid 5220] set_robust_list(0x7fecab0649a0, 24 [pid 5216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] rmdir("./6" [pid 5220] <... set_robust_list resumed>) = 0 [pid 5216] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] rt_sigprocmask(SIG_SETMASK, [], [pid 5216] <... futex resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5216] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] mkdir("./7", 0777 [pid 5220] memfd_create("syzkaller", 0) = 3 [pid 5059] <... mkdir resumed>) = 0 [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5220] <... mmap resumed>) = 0x7feca2c44000 [pid 5059] <... openat resumed>) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5059] close(3) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5221 ./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x55555568a6a0, 24 [pid 5215] <... write resumed>) = 4194304 [ 80.294635][ T5212] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 80.303879][ T5212] REISERFS (device loop1): using ordered data mode [ 80.310939][ T5212] reiserfs: using flush barriers [ 80.318256][ T5211] reiserfs: using flush barriers [pid 5221] <... set_robust_list resumed>) = 0 [pid 5215] munmap(0x7feca2c44000, 138412032 [pid 5221] chdir("./7" [pid 5215] <... munmap resumed>) = 0 [pid 5221] <... chdir resumed>) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5221] <... openat resumed>) = 3 [pid 5215] <... openat resumed>) = 4 [ 80.371154][ T5212] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 80.372574][ T5211] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 80.390294][ T5212] REISERFS (device loop1): checking transaction log (loop1) [ 80.414191][ T5212] REISERFS (device loop1): Using r5 hash to sort names [pid 5215] ioctl(4, LOOP_SET_FD, 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3 [pid 5215] <... ioctl resumed>) = 0 [pid 5212] <... mount resumed>) = 0 [pid 5221] <... close resumed>) = 0 [pid 5221] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5221] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5221] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5215] close(3 [pid 5212] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5221] <... mmap resumed>) = 0x7fecab044000 [pid 5220] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5215] <... close resumed>) = 0 [pid 5212] <... openat resumed>) = 3 [pid 5221] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5215] mkdir("./file0", 0777 [pid 5212] chdir("./file0" [pid 5211] <... mount resumed>) = 0 [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5222 attached => {parent_tid=[5222]}, 88) = 5222 [pid 5222] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5215] <... mkdir resumed>) = 0 [pid 5212] <... chdir resumed>) = 0 [pid 5211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5222] <... rseq resumed>) = 0 [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5215] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5212] ioctl(4, LOOP_CLR_FD [pid 5211] <... openat resumed>) = 3 [pid 5222] set_robust_list(0x7fecab0649a0, 24 [pid 5221] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... ioctl resumed>) = 0 [pid 5211] chdir("./file0" [pid 5222] <... set_robust_list resumed>) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5212] close(4 [pid 5211] <... chdir resumed>) = 0 [ 80.422148][ T5215] loop3: detected capacity change from 0 to 8192 [ 80.429879][ T5211] REISERFS (device loop4): checking transaction log (loop4) [ 80.441335][ T5211] REISERFS (device loop4): Using r5 hash to sort names [pid 5222] rt_sigprocmask(SIG_SETMASK, [], [pid 5221] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5212] <... close resumed>) = 0 [pid 5211] ioctl(4, LOOP_CLR_FD [pid 5222] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5212] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... ioctl resumed>) = 0 [pid 5212] <... futex resumed>) = 1 [pid 5211] close(4 [pid 5210] <... futex resumed>) = 0 [pid 5222] <... mmap resumed>) = 0x7feca2c44000 [pid 5212] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... close resumed>) = 0 [ 80.460431][ T5215] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5210] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5211] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = 0 [pid 5212] mkdir(".", 0777 [pid 5211] <... futex resumed>) = 1 [pid 5210] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5212] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5211] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... futex resumed>) = 0 [pid 5212] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5209] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 1 [pid 5211] mkdir(".", 0777 [pid 5209] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5211] <... mkdir resumed>) = -1 EEXIST (File exists) [ 80.495751][ T5215] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 80.506273][ T5215] REISERFS (device loop3): using ordered data mode [ 80.514551][ T5212] reiserfs: enabling write barrier flush mode [ 80.516410][ T5215] reiserfs: using flush barriers [ 80.527691][ T5211] reiserfs: enabling write barrier flush mode [pid 5211] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = 0 [pid 5211] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [ 80.534349][ T5215] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 80.538033][ T5211] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 80.552753][ T5215] REISERFS (device loop3): checking transaction log (loop3) [ 80.584628][ T5215] REISERFS (device loop3): Using r5 hash to sort names [pid 5222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5211] chdir(".") = 0 [pid 5211] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5211] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5209] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... openat resumed>) = 5 [pid 5209] <... futex resumed>) = 0 [pid 5209] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5211] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5209] <... futex resumed>) = 0 [pid 5209] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 1 [pid 5211] ftruncate(5, 100663296 [pid 5209] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] <... ftruncate resumed>) = 0 [pid 5211] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 0 [pid 5209] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5211] <... futex resumed>) = 1 [pid 5211] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 6 [pid 5215] <... mount resumed>) = 0 [pid 5212] <... mount resumed>) = 0 [pid 5212] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5215] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5212] <... openat resumed>) = 4 [pid 5212] chdir("." [pid 5215] <... openat resumed>) = 3 [pid 5212] <... chdir resumed>) = 0 [pid 5215] chdir("./file0" [pid 5212] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] <... futex resumed>) = 0 [pid 5210] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5210] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] <... chdir resumed>) = 0 [pid 5212] <... futex resumed>) = 1 [pid 5215] ioctl(4, LOOP_CLR_FD [pid 5212] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5215] <... ioctl resumed>) = 0 [pid 5212] <... openat resumed>) = 5 [pid 5215] close(4) = 0 [ 80.595229][ T5212] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5215] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 1 [pid 5214] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5215] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5210] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5214] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] ftruncate(5, 100663296 [pid 5211] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... write resumed>) = 4194304 [pid 5215] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5219] munmap(0x7feca2c44000, 138412032 [pid 5209] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5219] <... munmap resumed>) = 0 [pid 5215] mkdir(".", 0777 [pid 5211] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5209] <... futex resumed>) = 0 [pid 5215] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5211] <... openat resumed>) = 7 [pid 5209] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5215] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5220] <... write resumed>) = 4194304 [pid 5219] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5212] <... ftruncate resumed>) = 0 [pid 5211] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] munmap(0x7feca2c44000, 138412032 [pid 5219] <... openat resumed>) = 4 [pid 5220] <... munmap resumed>) = 0 [pid 5219] ioctl(4, LOOP_SET_FD, 3 [pid 5212] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5212] <... futex resumed>) = 1 [pid 5211] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... futex resumed>) = 0 [pid 5209] exit_group(0 [pid 5210] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = ? [pid 5210] <... futex resumed>) = 0 [pid 5209] <... exit_group resumed>) = ? [pid 5211] +++ exited with 0 +++ [pid 5210] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] +++ exited with 0 +++ [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 80.677625][ T5215] reiserfs: enabling write barrier flush mode [ 80.690743][ T5215] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 80.709046][ T5219] loop5: detected capacity change from 0 to 8192 [pid 5212] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5061] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5220] <... openat resumed>) = 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5220] ioctl(4, LOOP_SET_FD, 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./7/binderfs") = 0 [pid 5061] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5215] <... mount resumed>) = 0 [pid 5215] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5215] chdir(".") = 0 [pid 5215] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5215] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] <... futex resumed>) = 0 [pid 5214] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5214] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] <... write resumed>) = 4194304 [pid 5215] <... futex resumed>) = 0 [pid 5215] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5222] munmap(0x7feca2c44000, 138412032 [pid 5219] <... ioctl resumed>) = 0 [pid 5222] <... munmap resumed>) = 0 [pid 5215] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5220] <... ioctl resumed>) = 0 [pid 5219] close(3 [pid 5212] <... openat resumed>) = 6 [pid 5210] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5210] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 1 [pid 5214] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 0 [ 80.728999][ T5220] loop0: detected capacity change from 0 to 8192 [pid 5220] close(3 [pid 5219] <... close resumed>) = 0 [pid 5215] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5212] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5222] <... openat resumed>) = 4 [pid 5220] <... close resumed>) = 0 [pid 5219] mkdir("./file0", 0777 [pid 5214] <... futex resumed>) = 0 [pid 5210] <... mmap resumed>) = 0x7fecab023000 [pid 5222] ioctl(4, LOOP_SET_FD, 3 [pid 5214] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5220] mkdir("./file0", 0777 [pid 5215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5212] <... futex resumed>) = 0 [pid 5220] <... mkdir resumed>) = 0 [pid 5215] ftruncate(5, 100663296 [pid 5212] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] <... clone3 resumed> => {parent_tid=[5224]}, 88) = 5224 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5210] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5210] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5224 attached [pid 5220] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5219] <... mkdir resumed>) = 0 [pid 5215] <... ftruncate resumed>) = 0 [pid 5224] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5222] <... ioctl resumed>) = 0 [pid 5219] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5224] <... rseq resumed>) = 0 [pid 5224] set_robust_list(0x7fecab0439a0, 24) = 0 [ 80.776614][ T5222] loop2: detected capacity change from 0 to 8192 [ 80.798212][ T5220] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.798842][ T5219] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5224] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] close(3 [pid 5224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5224] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5224] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5224] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] exit_group(0 [pid 5224] <... futex resumed>) = ? [pid 5210] <... exit_group resumed>) = ? [pid 5224] +++ exited with 0 +++ [pid 5222] <... close resumed>) = 0 [pid 5222] mkdir("./file0", 0777 [pid 5212] <... futex resumed>) = ? [pid 5222] <... mkdir resumed>) = 0 [pid 5212] +++ exited with 0 +++ [pid 5210] +++ exited with 0 +++ [pid 5214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5215] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5214] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5215] <... futex resumed>) = 0 [pid 5222] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5215] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5214] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 80.824706][ T5219] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 80.834055][ T5219] REISERFS (device loop5): using ordered data mode [ 80.841439][ T5219] reiserfs: using flush barriers [ 80.847887][ T5220] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 80.848860][ T5222] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.859385][ T5220] REISERFS (device loop0): using ordered data mode [pid 5058] newfstatat(3, "", [pid 5214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5214] <... mmap resumed>) = 0x7fecab023000 [pid 5061] <... umount2 resumed>) = 0 [pid 5058] getdents64(3, [pid 5214] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5214] <... mprotect resumed>) = 0 [pid 5061] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] newfstatat(AT_FDCWD, "./7/file0", [pid 5214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5214] <... clone3 resumed> => {parent_tid=[5228]}, 88) = 5228 [pid 5061] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5214] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] unlink("./7/binderfs" [pid 5214] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... openat resumed>) = 4 [pid 5058] <... unlink resumed>) = 0 [pid 5214] <... futex resumed>) = 0 [pid 5061] newfstatat(4, "", [ 80.877274][ T5220] reiserfs: using flush barriers [ 80.878436][ T5219] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 80.901324][ T5220] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 80.918234][ T5220] REISERFS (device loop0): checking transaction log (loop0) [pid 5058] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5214] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, ./strace-static-x86_64: Process 5228 attached 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5228] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5061] close(4 [pid 5228] <... rseq resumed>) = 0 [pid 5220] <... mount resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./7/file0") = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5061] rmdir("./7") = 0 [pid 5061] mkdir("./8", 0777) = 0 [ 80.927607][ T5220] REISERFS (device loop0): Using r5 hash to sort names [ 80.936537][ T5222] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 80.955092][ T5219] REISERFS (device loop5): checking transaction log (loop5) [ 80.962770][ T5222] REISERFS (device loop2): using ordered data mode [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5228] set_robust_list(0x7fecab0439a0, 24 [pid 5061] <... openat resumed>) = 3 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5228] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5228] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] close(3 [pid 5220] <... openat resumed>) = 3 [pid 5061] <... close resumed>) = 0 [pid 5220] chdir("./file0" [pid 5214] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5214] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... futex resumed>) = 0 [pid 5214] <... futex resumed>) = 1 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5229 [pid 5215] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5214] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5229 attached [pid 5220] <... chdir resumed>) = 0 [pid 5229] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5229] chdir("./8") = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] <... openat resumed>) = 6 [pid 5220] ioctl(4, LOOP_CLR_FD [pid 5219] <... mount resumed>) = 0 [pid 5215] <... openat resumed>) = 7 [pid 5215] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5214] <... futex resumed>) = 0 [pid 5215] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] setpgid(0, 0 [pid 5228] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... setpgid resumed>) = 0 [pid 5228] <... futex resumed>) = 0 [pid 5228] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5214] exit_group(0 [pid 5228] <... futex resumed>) = ? [pid 5215] <... futex resumed>) = ? [pid 5214] <... exit_group resumed>) = ? [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] +++ exited with 0 +++ [pid 5220] <... ioctl resumed>) = 0 [pid 5219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5215] +++ exited with 0 +++ [pid 5214] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5060] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5220] close(4 [pid 5219] <... openat resumed>) = 3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] <... close resumed>) = 0 [pid 5219] chdir("./file0" [pid 5220] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5219] <... chdir resumed>) = 0 [pid 5220] <... futex resumed>) = 1 [pid 5219] ioctl(4, LOOP_CLR_FD [pid 5216] <... futex resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5220] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... ioctl resumed>) = 0 [pid 5216] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(3, "", [pid 5229] <... openat resumed>) = 3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5229] write(3, "1000", 4 [pid 5060] getdents64(3, [pid 5229] <... write resumed>) = 4 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5229] close(3 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] close(4 [pid 5216] <... futex resumed>) = 0 [pid 5060] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5229] <... close resumed>) = 0 [pid 5222] <... mount resumed>) = 0 [pid 5220] mkdir(".", 0777 [pid 5219] <... close resumed>) = 0 [pid 5216] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] symlink("/dev/binderfs", "./binderfs" [pid 5220] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5219] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5229] <... symlink resumed>) = 0 [pid 5219] <... futex resumed>) = 1 [pid 5213] <... futex resumed>) = 0 [ 80.973758][ T5219] REISERFS (device loop5): Using r5 hash to sort names [ 80.982378][ T5222] reiserfs: using flush barriers [ 80.990589][ T5222] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.008612][ T5222] REISERFS (device loop2): checking transaction log (loop2) [ 81.018666][ T5222] REISERFS (device loop2): Using r5 hash to sort names [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5229] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] unlink("./7/binderfs" [pid 5229] <... futex resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5229] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5220] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5219] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] <... futex resumed>) = 0 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] mkdir(".", 0777 [pid 5213] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5219] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5229] <... mmap resumed>) = 0x7fecab044000 [pid 5222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5219] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5229] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5229] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5230]}, 88) = 5230 ./strace-static-x86_64: Process 5230 attached [pid 5229] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... rseq resumed>) = 0 [pid 5229] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] set_robust_list(0x7fecab0649a0, 24 [pid 5229] <... futex resumed>) = 0 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] rt_sigprocmask(SIG_SETMASK, [], [pid 5222] <... openat resumed>) = 3 [pid 5230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5222] chdir("./file0" [pid 5230] memfd_create("syzkaller", 0) = 3 [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5222] <... chdir resumed>) = 0 [pid 5222] ioctl(4, LOOP_CLR_FD) = 0 [ 81.044715][ T5220] reiserfs: enabling write barrier flush mode [ 81.057894][ T5219] reiserfs: enabling write barrier flush mode [ 81.070148][ T5220] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5222] close(4 [pid 5058] <... umount2 resumed>) = 0 [pid 5222] <... close resumed>) = 0 [pid 5222] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./7/file0", [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5220] <... mount resumed>) = 0 [pid 5221] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5222] mkdir(".", 0777 [pid 5220] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5222] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5220] chdir("." [pid 5222] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5220] <... chdir resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5220] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5220] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 4 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5058] newfstatat(4, "", [pid 5220] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5216] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5220] <... openat resumed>) = 5 [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4 [pid 5230] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5220] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... mount resumed>) = 0 [ 81.097667][ T5219] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 81.117326][ T5222] reiserfs: enabling write barrier flush mode [ 81.131491][ T5222] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5222] <... mount resumed>) = 0 [pid 5220] <... futex resumed>) = 1 [pid 5219] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5216] <... futex resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5222] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5220] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... openat resumed>) = 4 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... openat resumed>) = 4 [pid 5220] ftruncate(5, 100663296 [pid 5216] <... futex resumed>) = 0 [pid 5222] chdir("." [pid 5219] chdir("." [pid 5216] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] rmdir("./7/file0" [pid 5222] <... chdir resumed>) = 0 [pid 5219] <... chdir resumed>) = 0 [pid 5222] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = 1 [pid 5219] <... futex resumed>) = 1 [pid 5222] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... futex resumed>) = 0 [pid 5219] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] <... futex resumed>) = 0 [pid 5219] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5213] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5221] <... futex resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5221] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] getdents64(3, [pid 5221] <... futex resumed>) = 1 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5221] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] close(3) = 0 [pid 5058] rmdir("./7") = 0 [pid 5058] mkdir("./8", 0777) = 0 [pid 5220] <... ftruncate resumed>) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5058] close(3) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] <... futex resumed>) = 0 [pid 5220] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = 0 [pid 5222] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5220] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5060] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5222] <... openat resumed>) = 5 [pid 5220] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5219] <... openat resumed>) = 5 [pid 5216] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... futex resumed>) = 0 [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5216] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./7/file0", [pid 5222] ftruncate(5, 100663296 [pid 5221] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5221] <... futex resumed>) = 0 [pid 5219] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5221] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5231 ./strace-static-x86_64: Process 5231 attached [pid 5231] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5231] chdir("./8") = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] <... ftruncate resumed>) = 0 [pid 5231] <... prctl resumed>) = 0 [pid 5219] <... futex resumed>) = 1 [pid 5213] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5231] setpgid(0, 0 [pid 5219] ftruncate(5, 100663296 [pid 5213] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5231] <... setpgid resumed>) = 0 [pid 5213] <... futex resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] <... openat resumed>) = 4 [pid 5231] <... openat resumed>) = 3 [pid 5231] write(3, "1000", 4) = 4 [pid 5231] close(3) = 0 [pid 5231] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5231] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5213] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(4, "", [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5220] <... openat resumed>) = 6 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5231] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5219] <... ftruncate resumed>) = 0 [pid 5060] getdents64(4, [pid 5220] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5216] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5220] <... futex resumed>) = 0 [pid 5222] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5219] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(4, [pid 5231] <... mprotect resumed>) = 0 [pid 5220] <... openat resumed>) = 7 [pid 5216] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5219] <... futex resumed>) = 1 [pid 5216] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... futex resumed>) = 0 [pid 5060] close(4 [pid 5220] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5213] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 0 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... close resumed>) = 0 [pid 5220] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5216] exit_group(0 [pid 5213] <... futex resumed>) = 0 [pid 5060] rmdir("./7/file0" [pid 5220] <... futex resumed>) = ? [pid 5216] <... exit_group resumed>) = ? [pid 5213] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... rmdir resumed>) = 0 [pid 5231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5221] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5221] <... futex resumed>) = 0 [pid 5221] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5060] getdents64(3, ./strace-static-x86_64: Process 5232 attached [pid 5231] <... clone3 resumed> => {parent_tid=[5232]}, 88) = 5232 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5232] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5231] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5232] <... rseq resumed>) = 0 [pid 5231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] <... openat resumed>) = 6 [pid 5060] close(3 [pid 5232] set_robust_list(0x7fecab0649a0, 24 [pid 5231] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] <... futex resumed>) = 0 [pid 5222] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5221] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=27000000} [pid 5060] rmdir("./7" [pid 5232] rt_sigprocmask(SIG_SETMASK, [], [pid 5231] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5232] memfd_create("syzkaller", 0 [pid 5057] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] mkdir("./8", 0777 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5232] <... memfd_create resumed>) = 3 [pid 5057] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] <... openat resumed>) = 3 [pid 5232] <... mmap resumed>) = 0x7feca2c44000 [pid 5057] newfstatat(3, "", [pid 5060] <... mkdir resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5213] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5213] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5213] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... openat resumed>) = 3 [pid 5057] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5213] <... mmap resumed>) = 0x7fecab023000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5213] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5219] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] unlink("./7/binderfs" [pid 5213] <... mprotect resumed>) = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5219] <... futex resumed>) = 0 [pid 5213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5219] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] close(3 [pid 5057] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5221] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5060] <... close resumed>) = 0 ./strace-static-x86_64: Process 5233 attached [pid 5221] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5221] <... futex resumed>) = 0 [pid 5213] <... clone3 resumed> => {parent_tid=[5233]}, 88) = 5233 [pid 5233] <... rseq resumed>) = 0 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5213] rt_sigprocmask(SIG_SETMASK, [], [pid 5233] set_robust_list(0x7fecab0439a0, 24 [pid 5221] <... mmap resumed>) = 0x7fecab023000 [pid 5233] <... set_robust_list resumed>) = 0 [pid 5213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5234 [pid 5233] rt_sigprocmask(SIG_SETMASK, [], [pid 5213] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5221] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5213] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5222] <... openat resumed>) = 6 [pid 5221] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5234 attached [pid 5234] set_robust_list(0x55555568a6a0, 24 [pid 5233] <... openat resumed>) = 7 [pid 5222] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5234] <... set_robust_list resumed>) = 0 [pid 5222] <... futex resumed>) = 0 [pid 5221] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5234] chdir("./8" [pid 5222] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5234] <... chdir resumed>) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5235 attached ) = 0 [pid 5233] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5234] setpgid(0, 0 [pid 5233] <... futex resumed>) = 1 [pid 5221] <... clone3 resumed> => {parent_tid=[5235]}, 88) = 5235 [pid 5213] <... futex resumed>) = 0 [pid 5235] <... rseq resumed>) = 0 [pid 5234] <... setpgid resumed>) = 0 [pid 5233] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] rt_sigprocmask(SIG_SETMASK, [], [pid 5213] exit_group(0 [pid 5235] set_robust_list(0x7fecab0439a0, 24 [pid 5233] <... futex resumed>) = ? [pid 5219] <... futex resumed>) = ? [pid 5213] <... exit_group resumed>) = ? [pid 5221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5219] +++ exited with 0 +++ [pid 5221] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] <... openat resumed>) = 3 [pid 5233] +++ exited with 0 +++ [pid 5221] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] +++ exited with 0 +++ [pid 5234] write(3, "1000", 4 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5234] <... write resumed>) = 4 [pid 5234] close(3) = 0 [pid 5062] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5234] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] <... symlink resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5235] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./7/binderfs" [pid 5235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5234] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... unlink resumed>) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5062] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5234] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5235] <... openat resumed>) = 7 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5232] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5235] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... mmap resumed>) = 0x7fecab044000 [pid 5235] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5235] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5221] exit_group(0 [pid 5235] <... futex resumed>) = ? [pid 5221] <... exit_group resumed>) = ? [pid 5222] <... futex resumed>) = ? [pid 5235] +++ exited with 0 +++ [pid 5234] <... mprotect resumed>) = 0 [pid 5230] <... write resumed>) = 4194304 [pid 5222] +++ exited with 0 +++ [pid 5221] +++ exited with 0 +++ [pid 5234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5236 attached => {parent_tid=[5236]}, 88) = 5236 [pid 5236] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5236] set_robust_list(0x7fecab0649a0, 24 [pid 5234] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] munmap(0x7feca2c44000, 138412032 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] <... munmap resumed>) = 0 [pid 5234] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5234] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5059] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5236] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] <... openat resumed>) = 4 [pid 5059] <... openat resumed>) = 3 [pid 5236] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] newfstatat(3, "", [pid 5236] memfd_create("syzkaller", 0 [pid 5230] ioctl(4, LOOP_SET_FD, 3 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5236] <... memfd_create resumed>) = 3 [pid 5059] getdents64(3, [pid 5230] <... ioctl resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./7/binderfs") = 0 [pid 5059] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5236] <... mmap resumed>) = 0x7feca2c44000 [pid 5230] close(3) = 0 [pid 5230] mkdir("./file0", 0777) = 0 [ 81.456639][ T5230] loop4: detected capacity change from 0 to 8192 [pid 5230] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5062] <... umount2 resumed>) = 0 [pid 5062] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./7/file0", [pid 5232] <... write resumed>) = 4194304 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5232] munmap(0x7feca2c44000, 138412032 [pid 5062] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5232] <... munmap resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5062] newfstatat(4, "", [pid 5232] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5232] <... openat resumed>) = 4 [pid 5062] getdents64(4, [pid 5232] ioctl(4, LOOP_SET_FD, 3 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [ 81.534476][ T5230] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5232] <... ioctl resumed>) = 0 [pid 5062] getdents64(4, [pid 5057] <... umount2 resumed>) = 0 [pid 5232] close(3 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5232] <... close resumed>) = 0 [pid 5062] close(4 [pid 5232] mkdir("./file0", 0777 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./7/file0" [pid 5232] <... mkdir resumed>) = 0 [pid 5232] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5236] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5062] <... rmdir resumed>) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5057] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5057] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(4, [pid 5062] rmdir("./7" [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5057] close(4 [pid 5062] mkdir("./8", 0777 [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./7/file0") = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5057] rmdir("./7") = 0 [pid 5057] mkdir("./8", 0777) = 0 [ 81.580200][ T5232] loop1: detected capacity change from 0 to 8192 [ 81.586500][ T5230] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 81.617067][ T5232] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5062] <... mkdir resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5062] <... openat resumed>) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] close(3) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5239 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached , child_tidptr=0x55555568a690) = 5240 [ 81.649854][ T5230] REISERFS (device loop4): using ordered data mode [ 81.656907][ T5232] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 81.668164][ T5232] REISERFS (device loop1): using ordered data mode [ 81.682863][ T5232] reiserfs: using flush barriers [ 81.689965][ T5230] reiserfs: using flush barriers [pid 5239] set_robust_list(0x55555568a6a0, 24./strace-static-x86_64: Process 5240 attached ) = 0 [pid 5240] set_robust_list(0x55555568a6a0, 24 [pid 5239] chdir("./8" [pid 5059] <... umount2 resumed>) = 0 [pid 5059] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5239] <... chdir resumed>) = 0 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5240] chdir("./8" [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5232] <... mount resumed>) = 0 [pid 5232] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5232] chdir("./file0") = 0 [pid 5232] ioctl(4, LOOP_CLR_FD) = 0 [pid 5232] close(4) = 0 [pid 5232] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5232] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 0 [pid 5232] mkdir(".", 0777 [pid 5231] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5232] <... mkdir resumed>) = -1 EEXIST (File exists) [ 81.693051][ T5232] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.712855][ T5232] REISERFS (device loop1): checking transaction log (loop1) [ 81.723928][ T5232] REISERFS (device loop1): Using r5 hash to sort names [ 81.724971][ T5230] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5232] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5240] <... chdir resumed>) = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] newfstatat(AT_FDCWD, "./7/file0", [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] <... prctl resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5239] setpgid(0, 0 [pid 5240] <... prctl resumed>) = 0 [pid 5239] <... setpgid resumed>) = 0 [pid 5059] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5240] setpgid(0, 0) = 0 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5239] <... openat resumed>) = 3 [pid 5059] <... openat resumed>) = 4 [pid 5059] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 81.754090][ T5232] reiserfs: enabling write barrier flush mode [ 81.776133][ T5232] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5239] write(3, "1000", 4 [pid 5059] getdents64(4, [pid 5232] <... mount resumed>) = 0 [pid 5232] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5232] chdir(".") = 0 [pid 5232] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5231] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5240] write(3, "1000", 4 [pid 5239] <... write resumed>) = 4 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5232] <... openat resumed>) = 5 [pid 5059] getdents64(4, [pid 5240] <... write resumed>) = 4 [pid 5239] close(3 [pid 5232] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] close(3 [pid 5239] <... close resumed>) = 0 [pid 5232] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5240] <... close resumed>) = 0 [pid 5239] symlink("/dev/binderfs", "./binderfs" [pid 5232] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] close(4 [pid 5240] symlink("/dev/binderfs", "./binderfs" [pid 5239] <... symlink resumed>) = 0 [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 0 [pid 5240] <... symlink resumed>) = 0 [ 81.801821][ T5230] REISERFS (device loop4): checking transaction log (loop4) [pid 5232] ftruncate(5, 100663296 [pid 5231] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... close resumed>) = 0 [pid 5240] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] rmdir("./7/file0" [pid 5239] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5239] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5236] <... write resumed>) = 4194304 [pid 5059] <... rmdir resumed>) = 0 [pid 5236] munmap(0x7feca2c44000, 138412032 [pid 5240] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5239] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5236] <... munmap resumed>) = 0 [pid 5232] <... ftruncate resumed>) = 0 [pid 5059] getdents64(3, [pid 5240] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5230] <... mount resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5240] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] close(3 [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] <... close resumed>) = 0 [pid 5240] <... mmap resumed>) = 0x7fecab044000 [pid 5239] <... mmap resumed>) = 0x7fecab044000 [pid 5236] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] rmdir("./7" [pid 5240] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5239] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5236] <... openat resumed>) = 4 [pid 5230] <... openat resumed>) = 3 [pid 5240] <... mprotect resumed>) = 0 [pid 5239] <... mprotect resumed>) = 0 [pid 5236] ioctl(4, LOOP_SET_FD, 3 [pid 5232] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] chdir("./file0" [pid 5059] <... rmdir resumed>) = 0 [pid 5240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5239] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5239] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] mkdir("./8", 0777 [pid 5240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5230] <... chdir resumed>) = 0 [pid 5232] <... futex resumed>) = 1 [pid 5231] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5242 attached ./strace-static-x86_64: Process 5241 attached [pid 5240] <... clone3 resumed> => {parent_tid=[5241]}, 88) = 5241 [pid 5239] <... clone3 resumed> => {parent_tid=[5242]}, 88) = 5242 [pid 5236] <... ioctl resumed>) = 0 [pid 5232] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] ioctl(4, LOOP_CLR_FD [pid 5059] <... mkdir resumed>) = 0 [pid 5242] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5241] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], [pid 5239] rt_sigprocmask(SIG_SETMASK, [], [pid 5232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] <... futex resumed>) = 0 [pid 5242] <... rseq resumed>) = 0 [pid 5241] <... rseq resumed>) = 0 [pid 5240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] close(3 [pid 5232] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5231] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... ioctl resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5242] set_robust_list(0x7fecab0649a0, 24 [pid 5241] set_robust_list(0x7fecab0649a0, 24 [pid 5240] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... close resumed>) = 0 [pid 5232] <... openat resumed>) = 6 [pid 5230] close(4 [pid 5241] <... set_robust_list resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5242] <... set_robust_list resumed>) = 0 [pid 5241] rt_sigprocmask(SIG_SETMASK, [], [pid 5240] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5239] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5236] mkdir("./file0", 0777 [pid 5230] <... close resumed>) = 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5242] rt_sigprocmask(SIG_SETMASK, [], [pid 5241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] <... mkdir resumed>) = 0 [pid 5242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 81.826933][ T5230] REISERFS (device loop4): Using r5 hash to sort names [ 81.848702][ T5236] loop3: detected capacity change from 0 to 8192 [pid 5230] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5242] memfd_create("syzkaller", 0 [pid 5241] memfd_create("syzkaller", 0 [pid 5230] <... futex resumed>) = 1 [pid 5059] close(3 [pid 5242] <... memfd_create resumed>) = 3 [pid 5229] <... futex resumed>) = 0 [pid 5241] <... memfd_create resumed>) = 3 [pid 5230] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5229] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5242] <... mmap resumed>) = 0x7feca2c44000 [pid 5229] <... futex resumed>) = 0 [pid 5241] <... mmap resumed>) = 0x7feca2c44000 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] <... close resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5230] mkdir(".", 0777 [pid 5232] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5231] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5230] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5244 [pid 5230] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5232] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5232] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5231] exit_group(0 [pid 5232] <... futex resumed>) = ? [pid 5231] <... exit_group resumed>) = ? [pid 5232] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- ./strace-static-x86_64: Process 5244 attached [ 81.892287][ T5236] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.930347][ T5230] reiserfs: enabling write barrier flush mode [pid 5244] set_robust_list(0x55555568a6a0, 24 [pid 5058] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5058] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5058] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5244] chdir("./8" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5244] <... chdir resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5244] <... prctl resumed>) = 0 [ 81.970154][ T5230] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 81.986128][ T5236] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5058] unlink("./8/binderfs" [pid 5244] setpgid(0, 0 [pid 5058] <... unlink resumed>) = 0 [pid 5244] <... setpgid resumed>) = 0 [pid 5230] <... mount resumed>) = 0 [pid 5058] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5230] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5244] <... openat resumed>) = 3 [pid 5230] <... openat resumed>) = 4 [pid 5244] write(3, "1000", 4 [pid 5230] chdir("." [pid 5244] <... write resumed>) = 4 [pid 5230] <... chdir resumed>) = 0 [pid 5244] close(3 [pid 5230] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... close resumed>) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5244] symlink("/dev/binderfs", "./binderfs" [pid 5230] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... symlink resumed>) = 0 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... futex resumed>) = 0 [pid 5244] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5229] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... futex resumed>) = 0 [pid 5242] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5241] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5230] <... openat resumed>) = 5 [pid 5244] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5230] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5230] ftruncate(5, 100663296 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [ 82.044799][ T5236] REISERFS (device loop3): using ordered data mode [pid 5244] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5230] <... ftruncate resumed>) = 0 [pid 5244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5245 attached [pid 5245] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5244] <... clone3 resumed> => {parent_tid=[5245]}, 88) = 5245 [ 82.090600][ T5236] reiserfs: using flush barriers [pid 5245] <... rseq resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] set_robust_list(0x7fecab0649a0, 24 [pid 5244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5244] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 0 [pid 5230] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... futex resumed>) = 0 [pid 5230] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5229] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... set_robust_list resumed>) = 0 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], [pid 5230] <... openat resumed>) = 6 [pid 5245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5230] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] <... mount resumed>) = 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5236] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5230] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... futex resumed>) = 0 [pid 5245] memfd_create("syzkaller", 0 [pid 5236] <... openat resumed>) = 3 [pid 5230] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5229] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] <... memfd_create resumed>) = 3 [pid 5236] chdir("./file0" [pid 5230] <... openat resumed>) = 7 [pid 5236] <... chdir resumed>) = 0 [pid 5230] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] ioctl(4, LOOP_CLR_FD [ 82.114163][ T5236] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 82.140553][ T5236] REISERFS (device loop3): checking transaction log (loop3) [ 82.150213][ T5236] REISERFS (device loop3): Using r5 hash to sort names [pid 5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5230] <... futex resumed>) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5245] <... mmap resumed>) = 0x7feca2c44000 [pid 5242] <... write resumed>) = 4194304 [pid 5236] <... ioctl resumed>) = 0 [pid 5230] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] exit_group(0 [pid 5242] munmap(0x7feca2c44000, 138412032 [pid 5236] close(4 [pid 5230] <... futex resumed>) = ? [pid 5229] <... exit_group resumed>) = ? [pid 5242] <... munmap resumed>) = 0 [pid 5236] <... close resumed>) = 0 [pid 5230] +++ exited with 0 +++ [pid 5229] +++ exited with 0 +++ [pid 5236] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5236] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5242] <... openat resumed>) = 4 [pid 5236] mkdir(".", 0777 [pid 5234] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5242] ioctl(4, LOOP_SET_FD, 3 [pid 5061] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5236] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5236] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... umount2 resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, [pid 5058] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(AT_FDCWD, "./8/file0", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5242] <... ioctl resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5242] close(3 [pid 5058] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5242] <... close resumed>) = 0 [pid 5061] unlink("./8/binderfs" [pid 5058] <... openat resumed>) = 4 [pid 5242] mkdir("./file0", 0777 [pid 5061] <... unlink resumed>) = 0 [pid 5058] newfstatat(4, "", [pid 5061] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5242] <... mkdir resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(4, [pid 5242] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [ 82.214457][ T5242] loop0: detected capacity change from 0 to 8192 [ 82.224612][ T5236] reiserfs: enabling write barrier flush mode [ 82.251188][ T5236] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4) = 0 [pid 5058] rmdir("./8/file0") = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5058] rmdir("./8" [pid 5245] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5058] <... rmdir resumed>) = 0 [pid 5241] <... write resumed>) = 4194304 [pid 5058] mkdir("./9", 0777 [pid 5241] munmap(0x7feca2c44000, 138412032 [pid 5236] <... mount resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5236] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5241] <... munmap resumed>) = 0 [pid 5236] chdir("." [pid 5058] <... openat resumed>) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5236] <... chdir resumed>) = 0 [pid 5236] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5236] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5236] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 82.276578][ T5242] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5234] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] close(3 [pid 5241] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] <... futex resumed>) = 0 [pid 5241] <... openat resumed>) = 4 [pid 5236] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5234] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... close resumed>) = 0 [pid 5241] ioctl(4, LOOP_SET_FD, 3 [pid 5236] <... openat resumed>) = 5 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5236] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5247 attached ) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5247 [pid 5236] ftruncate(5, 100663296 [ 82.324128][ T5241] loop5: detected capacity change from 0 to 8192 [pid 5234] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] set_robust_list(0x55555568a6a0, 24 [pid 5241] <... ioctl resumed>) = 0 [pid 5236] <... ftruncate resumed>) = 0 [pid 5234] <... futex resumed>) = 0 [pid 5234] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] <... set_robust_list resumed>) = 0 [pid 5241] close(3 [pid 5247] chdir("./9" [pid 5241] <... close resumed>) = 0 [pid 5247] <... chdir resumed>) = 0 [pid 5241] mkdir("./file0", 0777 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... mkdir resumed>) = 0 [pid 5247] <... prctl resumed>) = 0 [pid 5241] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5247] setpgid(0, 0 [pid 5236] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] <... setpgid resumed>) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5247] <... openat resumed>) = 3 [pid 5236] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5247] write(3, "1000", 4 [pid 5236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5234] <... futex resumed>) = 0 [pid 5247] <... write resumed>) = 4 [ 82.384472][ T5242] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 82.393748][ T5242] REISERFS (device loop0): using ordered data mode [pid 5236] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5234] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] close(3) = 0 [pid 5236] <... openat resumed>) = 6 [pid 5061] <... umount2 resumed>) = 0 [pid 5236] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5236] <... futex resumed>) = 1 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5236] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 82.425502][ T5241] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 82.461001][ T5241] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5061] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5247] symlink("/dev/binderfs", "./binderfs" [pid 5234] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4 [pid 5234] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 5234] <... futex resumed>) = 1 [pid 5061] rmdir("./8/file0" [pid 5247] <... symlink resumed>) = 0 [pid 5236] <... futex resumed>) = 0 [pid 5234] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... rmdir resumed>) = 0 [pid 5247] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5236] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5247] <... futex resumed>) = 0 [pid 5247] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5236] <... openat resumed>) = 7 [pid 5061] getdents64(3, [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5247] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5247] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5249]}, 88) = 5249 [pid 5247] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5247] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5247] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5236] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] close(3./strace-static-x86_64: Process 5249 attached [pid 5249] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5249] set_robust_list(0x7fecab0649a0, 24) = 0 [ 82.470640][ T5241] REISERFS (device loop5): using ordered data mode [ 82.474463][ T5242] reiserfs: using flush barriers [ 82.483895][ T5241] reiserfs: using flush barriers [ 82.492104][ T5241] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 82.509201][ T5241] REISERFS (device loop5): checking transaction log (loop5) [pid 5245] <... write resumed>) = 4194304 [pid 5236] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5249] rt_sigprocmask(SIG_SETMASK, [], [pid 5236] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5234] exit_group(0 [pid 5061] rmdir("./8" [pid 5249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5236] <... futex resumed>) = ? [pid 5234] <... exit_group resumed>) = ? [pid 5061] <... rmdir resumed>) = 0 [pid 5249] memfd_create("syzkaller", 0 [pid 5236] +++ exited with 0 +++ [pid 5234] +++ exited with 0 +++ [pid 5061] mkdir("./9", 0777 [pid 5249] <... memfd_create resumed>) = 3 [pid 5061] <... mkdir resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5245] munmap(0x7feca2c44000, 138412032 [pid 5241] <... mount resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5249] <... mmap resumed>) = 0x7feca2c44000 [pid 5061] <... openat resumed>) = 3 [pid 5245] <... munmap resumed>) = 0 [pid 5241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5061] close(3 [pid 5245] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5242] <... mount resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5061] <... close resumed>) = 0 [pid 5060] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5245] <... openat resumed>) = 4 [pid 5242] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5241] chdir("./file0" [pid 5060] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5250 attached [pid 5245] ioctl(4, LOOP_SET_FD, 3 [pid 5242] <... openat resumed>) = 3 [pid 5241] <... chdir resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5250 [pid 5060] <... openat resumed>) = 3 [ 82.517998][ T5242] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 82.518257][ T5241] REISERFS (device loop5): Using r5 hash to sort names [ 82.542789][ T5242] REISERFS (device loop0): checking transaction log (loop0) [ 82.553349][ T5242] REISERFS (device loop0): Using r5 hash to sort names [pid 5060] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5250] set_robust_list(0x55555568a6a0, 24 [pid 5249] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5245] <... ioctl resumed>) = 0 [pid 5242] chdir("./file0" [pid 5241] ioctl(4, LOOP_CLR_FD [pid 5060] getdents64(3, [pid 5250] <... set_robust_list resumed>) = 0 [pid 5241] <... ioctl resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5242] <... chdir resumed>) = 0 [pid 5060] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5250] chdir("./9" [pid 5241] close(4 [pid 5250] <... chdir resumed>) = 0 [pid 5241] <... close resumed>) = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5250] <... prctl resumed>) = 0 [pid 5241] <... futex resumed>) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5250] setpgid(0, 0 [pid 5241] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5250] <... setpgid resumed>) = 0 [pid 5241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5240] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] unlink("./8/binderfs" [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5242] ioctl(4, LOOP_CLR_FD [pid 5241] mkdir(".", 0777 [pid 5240] <... futex resumed>) = 0 [pid 5250] <... openat resumed>) = 3 [pid 5242] <... ioctl resumed>) = 0 [pid 5241] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5060] <... unlink resumed>) = 0 [pid 5250] write(3, "1000", 4 [pid 5242] close(4 [pid 5241] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5060] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] <... write resumed>) = 4 [pid 5242] <... close resumed>) = 0 [pid 5240] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5242] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] close(3 [pid 5242] <... futex resumed>) = 1 [pid 5250] <... close resumed>) = 0 [pid 5242] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5239] <... futex resumed>) = 0 [pid 5250] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5250] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5250] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5250] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5250] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 82.576635][ T5245] loop2: detected capacity change from 0 to 8192 [ 82.601344][ T5241] reiserfs: enabling write barrier flush mode [pid 5250] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5245] close(3 [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5239] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5245] <... close resumed>) = 0 [pid 5239] <... futex resumed>) = 0 [pid 5242] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5251 attached [pid 5250] <... clone3 resumed> => {parent_tid=[5251]}, 88) = 5251 [pid 5242] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5239] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5245] mkdir("./file0", 0777 [pid 5251] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5250] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] <... rseq resumed>) = 0 [pid 5250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] set_robust_list(0x7fecab0649a0, 24 [pid 5250] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5251] rt_sigprocmask(SIG_SETMASK, [], [pid 5250] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] memfd_create("syzkaller", 0 [pid 5245] <... mkdir resumed>) = 0 [pid 5245] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5251] <... memfd_create resumed>) = 3 [pid 5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5241] <... mount resumed>) = 0 [pid 5241] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5241] chdir(".") = 0 [pid 5241] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5241] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 0 [pid 5240] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5241] <... futex resumed>) = 0 [pid 5241] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5240] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... openat resumed>) = 5 [pid 5241] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5241] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] <... futex resumed>) = 0 [pid 5240] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 1 [ 82.621056][ T5241] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 82.632891][ T5242] reiserfs: enabling write barrier flush mode [ 82.650331][ T5245] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5241] ftruncate(5, 100663296 [pid 5240] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5241] <... ftruncate resumed>) = 0 [pid 5241] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5241] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5240] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5241] <... futex resumed>) = 0 [pid 5241] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5240] <... futex resumed>) = 1 [ 82.678002][ T5242] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 82.705250][ T5245] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 82.715682][ T5245] REISERFS (device loop2): using ordered data mode [ 82.723077][ T5245] reiserfs: using flush barriers [pid 5240] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5242] <... mount resumed>) = 0 [pid 5242] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5242] chdir(".") = 0 [pid 5242] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5242] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] <... write resumed>) = 4194304 [pid 5240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5239] <... futex resumed>) = 0 [pid 5239] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = 0 [pid 5242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5242] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5249] munmap(0x7feca2c44000, 138412032 [pid 5239] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... futex resumed>) = 0 [ 82.731941][ T5245] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5242] <... openat resumed>) = 5 [pid 5249] <... munmap resumed>) = 0 [pid 5240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5249] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5240] <... mmap resumed>) = 0x7fecab023000 [pid 5240] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5249] <... openat resumed>) = 4 [pid 5241] <... openat resumed>) = 6 [pid 5240] <... mprotect resumed>) = 0 [pid 5240] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5241] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5249] ioctl(4, LOOP_SET_FD, 3 [pid 5242] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5240] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5239] <... futex resumed>) = 0 [pid 5239] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] <... futex resumed>) = 1 [pid 5242] ftruncate(5, 100663296./strace-static-x86_64: Process 5254 attached [pid 5241] <... futex resumed>) = 0 [pid 5254] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5254] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5254] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5254] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5241] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] <... ioctl resumed>) = 0 [pid 5240] <... clone3 resumed> => {parent_tid=[5254]}, 88) = 5254 [pid 5249] close(3) = 0 [pid 5249] mkdir("./file0", 0777) = 0 [pid 5242] <... ftruncate resumed>) = 0 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5240] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5242] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5239] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 0 [pid 5240] <... futex resumed>) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5240] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5242] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5239] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5254] <... openat resumed>) = 7 [pid 5242] <... openat resumed>) = 6 [pid 5254] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5240] <... futex resumed>) = 0 [pid 5240] exit_group(0) = ? [pid 5241] <... futex resumed>) = ? [ 82.787299][ T5245] REISERFS (device loop2): checking transaction log (loop2) [ 82.794493][ T5249] loop1: detected capacity change from 0 to 8192 [pid 5241] +++ exited with 0 +++ [pid 5254] +++ exited with 0 +++ [pid 5240] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5062] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5242] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5239] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5242] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5062] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5242] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5239] <... futex resumed>) = 0 [pid 5239] exit_group(0) = ? [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5242] +++ exited with 0 +++ [pid 5239] +++ exited with 0 +++ [pid 5062] getdents64(3, [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5245] <... mount resumed>) = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5245] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5057] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5245] <... openat resumed>) = 3 [ 82.835110][ T5249] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 82.849173][ T5245] REISERFS (device loop2): Using r5 hash to sort names [pid 5251] <... write resumed>) = 4194304 [pid 5245] chdir("./file0" [pid 5062] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5251] munmap(0x7feca2c44000, 138412032 [pid 5245] <... chdir resumed>) = 0 [pid 5057] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5057] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5251] <... munmap resumed>) = 0 [pid 5245] ioctl(4, LOOP_CLR_FD [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] unlink("./8/binderfs" [pid 5057] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5245] <... ioctl resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5245] close(4 [pid 5062] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] unlink("./8/binderfs" [pid 5251] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5245] <... close resumed>) = 0 [pid 5060] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5251] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... unlink resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5251] ioctl(4, LOOP_SET_FD, 3 [pid 5245] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5245] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5244] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 82.885671][ T5249] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 82.895058][ T5249] REISERFS (device loop1): using ordered data mode [ 82.901589][ T5249] reiserfs: using flush barriers [ 82.909283][ T5249] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 82.921367][ T5251] loop4: detected capacity change from 0 to 8192 [pid 5244] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5251] <... ioctl resumed>) = 0 [pid 5245] mkdir(".", 0777 [pid 5060] <... openat resumed>) = 4 [pid 5251] close(3 [pid 5245] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5060] newfstatat(4, "", [pid 5251] <... close resumed>) = 0 [pid 5249] <... mount resumed>) = 0 [pid 5245] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5251] mkdir("./file0", 0777 [pid 5249] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5060] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] close(4) = 0 [pid 5251] <... mkdir resumed>) = 0 [pid 5249] <... openat resumed>) = 3 [pid 5060] rmdir("./8/file0" [pid 5249] chdir("./file0" [pid 5060] <... rmdir resumed>) = 0 [pid 5249] <... chdir resumed>) = 0 [pid 5060] getdents64(3, [pid 5249] ioctl(4, LOOP_CLR_FD [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5251] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5249] <... ioctl resumed>) = 0 [pid 5060] close(3 [pid 5249] close(4 [pid 5060] <... close resumed>) = 0 [pid 5249] <... close resumed>) = 0 [pid 5060] rmdir("./8") = 0 [pid 5249] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5249] mkdir(".", 0777 [pid 5060] mkdir("./9", 0777) = 0 [pid 5249] <... mkdir resumed>) = -1 EEXIST (File exists) [ 82.928393][ T5249] REISERFS (device loop1): checking transaction log (loop1) [ 82.942531][ T5249] REISERFS (device loop1): Using r5 hash to sort names [ 82.952153][ T5245] reiserfs: enabling write barrier flush mode [pid 5249] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] close(3) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5257 [pid 5245] <... mount resumed>) = 0 [pid 5245] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5245] chdir(".") = 0 [pid 5245] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5245] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5245] ftruncate(5, 100663296./strace-static-x86_64: Process 5257 attached [pid 5257] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5257] chdir("./9") = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5257] setpgid(0, 0) = 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 82.986932][ T5251] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 82.987069][ T5249] reiserfs: enabling write barrier flush mode [ 83.007227][ T5245] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 83.023597][ T5251] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5257] write(3, "1000", 4) = 4 [pid 5257] close(3) = 0 [pid 5245] <... ftruncate resumed>) = 0 [pid 5257] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5257] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5257] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... umount2 resumed>) = 0 [pid 5257] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5244] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5244] <... futex resumed>) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5245] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... mmap resumed>) = 0x7fecab023000 [pid 5245] <... futex resumed>) = 0 [pid 5244] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5245] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] <... mprotect resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} => {parent_tid=[5258]}, 88) = 5258 [pid 5244] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5244] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5258 attached [pid 5258] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5258] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5258] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5258] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5258] <... openat resumed>) = 6 [pid 5257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [ 83.075285][ T5251] REISERFS (device loop4): using ordered data mode [ 83.084794][ T5249] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5257] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5257] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5249] <... mount resumed>) = 0 [pid 5249] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5257] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5249] <... openat resumed>) = 4 [pid 5257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5249] chdir("." [pid 5257] <... clone3 resumed> => {parent_tid=[5259]}, 88) = 5259 [pid 5249] <... chdir resumed>) = 0 [pid 5257] rt_sigprocmask(SIG_SETMASK, [], [pid 5249] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5249] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5249] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5247] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] <... openat resumed>) = 5 [pid 5249] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5249] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5247] <... futex resumed>) = 0 [pid 5249] ftruncate(5, 100663296 [pid 5247] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5257] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] <... ftruncate resumed>) = 0 [pid 5062] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5259 attached [pid 5257] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5259] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5062] newfstatat(AT_FDCWD, "./8/file0", [pid 5259] <... rseq resumed>) = 0 [pid 5259] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5258] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] memfd_create("syzkaller", 0 [pid 5258] <... futex resumed>) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5259] <... memfd_create resumed>) = 3 [pid 5258] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5245] <... futex resumed>) = 0 [pid 5244] <... futex resumed>) = 1 [pid 5259] <... mmap resumed>) = 0x7feca2c44000 [ 83.137257][ T5251] reiserfs: using flush barriers [pid 5245] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5244] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5245] <... openat resumed>) = 7 [pid 5245] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5244] <... futex resumed>) = 0 [pid 5245] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5244] exit_group(0 [pid 5258] <... futex resumed>) = ? [pid 5245] <... futex resumed>) = ? [pid 5244] <... exit_group resumed>) = ? [pid 5258] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ [pid 5249] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5062] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5062] newfstatat(4, "", [pid 5059] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 5059] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... umount2 resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, [pid 5059] <... openat resumed>) = 3 [pid 5057] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] newfstatat(3, "", [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] close(4 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... close resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./8/file0", [pid 5062] rmdir("./8/file0" [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] getdents64(3, [pid 5062] <... rmdir resumed>) = 0 [pid 5057] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(3, [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] close(3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5251] <... mount resumed>) = 0 [pid 5249] <... openat resumed>) = 6 [pid 5062] <... close resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5249] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] rmdir("./8" [pid 5057] <... openat resumed>) = 4 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5059] unlink("./8/binderfs" [pid 5057] newfstatat(4, "", [pid 5251] <... openat resumed>) = 3 [pid 5059] <... unlink resumed>) = 0 [pid 5059] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5251] chdir("./file0" [pid 5249] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5062] mkdir("./9", 0777 [pid 5251] <... chdir resumed>) = 0 [pid 5249] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5247] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] getdents64(4, [pid 5251] ioctl(4, LOOP_CLR_FD [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... mkdir resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5251] <... ioctl resumed>) = 0 [pid 5249] <... openat resumed>) = 7 [pid 5251] close(4 [pid 5259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5251] <... close resumed>) = 0 [pid 5249] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5057] getdents64(4, [pid 5251] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] <... futex resumed>) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5251] <... futex resumed>) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5249] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] exit_group(0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5057] close(4 [pid 5251] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... close resumed>) = 0 [ 83.161374][ T5251] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 83.190706][ T5251] REISERFS (device loop4): checking transaction log (loop4) [ 83.200199][ T5251] REISERFS (device loop4): Using r5 hash to sort names [pid 5251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] <... futex resumed>) = 0 [pid 5062] close(3 [pid 5057] rmdir("./8/file0" [pid 5251] mkdir(".", 0777 [pid 5250] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5249] <... futex resumed>) = ? [pid 5247] <... exit_group resumed>) = ? [pid 5062] <... close resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5251] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5249] +++ exited with 0 +++ [pid 5247] +++ exited with 0 +++ [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5251] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5057] getdents64(3, [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5058] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] rmdir("./8" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... rmdir resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5260 [pid 5058] <... openat resumed>) = 3 [pid 5057] mkdir("./9", 0777 [pid 5058] newfstatat(3, "", ./strace-static-x86_64: Process 5260 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5058] getdents64(3, [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5260] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... openat resumed>) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5260] chdir("./9" [pid 5058] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] <... chdir resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5260] <... prctl resumed>) = 0 [pid 5260] setpgid(0, 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5260] <... setpgid resumed>) = 0 [pid 5058] unlink("./9/binderfs" [ 83.255576][ T5251] reiserfs: enabling write barrier flush mode [pid 5057] close(3 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... unlink resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5260] <... openat resumed>) = 3 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5261 attached [pid 5260] write(3, "1000", 4 [pid 5058] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5261 [pid 5261] set_robust_list(0x55555568a6a0, 24 [pid 5260] <... write resumed>) = 4 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] close(3 [pid 5261] chdir("./9" [pid 5260] <... close resumed>) = 0 [pid 5261] <... chdir resumed>) = 0 [pid 5260] symlink("/dev/binderfs", "./binderfs" [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5260] <... symlink resumed>) = 0 [pid 5261] <... prctl resumed>) = 0 [pid 5260] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] setpgid(0, 0 [pid 5260] <... futex resumed>) = 0 [pid 5261] <... setpgid resumed>) = 0 [pid 5260] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5260] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5261] <... openat resumed>) = 3 [pid 5260] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5260] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5260] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5260] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5260] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5262]}, 88) = 5262 [pid 5260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5260] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5260] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5261] write(3, "1000", 4./strace-static-x86_64: Process 5262 attached ) = 4 [pid 5262] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5261] close(3 [pid 5262] <... rseq resumed>) = 0 [pid 5261] <... close resumed>) = 0 [pid 5262] set_robust_list(0x7fecab0649a0, 24 [pid 5261] symlink("/dev/binderfs", "./binderfs" [pid 5262] <... set_robust_list resumed>) = 0 [pid 5261] <... symlink resumed>) = 0 [pid 5262] rt_sigprocmask(SIG_SETMASK, [], [pid 5261] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5261] <... futex resumed>) = 0 [pid 5261] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5261] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5262] memfd_create("syzkaller", 0 [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] <... memfd_create resumed>) = 3 [pid 5261] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5251] <... mount resumed>) = 0 [pid 5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5261] <... mmap resumed>) = 0x7fecab044000 [pid 5251] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5262] <... mmap resumed>) = 0x7feca2c44000 [pid 5261] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5251] <... openat resumed>) = 4 [pid 5261] <... mprotect resumed>) = 0 [pid 5251] chdir("." [pid 5059] <... umount2 resumed>) = 0 [pid 5261] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5251] <... chdir resumed>) = 0 [pid 5261] <... rt_sigprocmask resumed>[], 8) = 0 [ 83.300452][ T5251] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5251] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5251] <... futex resumed>) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5059] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5250] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5250] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5261] <... clone3 resumed> => {parent_tid=[5263]}, 88) = 5263 [pid 5251] <... openat resumed>) = 5 [pid 5250] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] newfstatat(AT_FDCWD, "./8/file0", [pid 5261] rt_sigprocmask(SIG_SETMASK, [], [pid 5251] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5263 attached [pid 5261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5251] <... futex resumed>) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5263] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5261] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] ftruncate(5, 100663296 [pid 5250] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5263] <... rseq resumed>) = 0 [pid 5261] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = 0 [pid 5059] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5263] set_robust_list(0x7fecab0649a0, 24 [pid 5261] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5250] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... set_robust_list resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5263] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5263] memfd_create("syzkaller", 0 [pid 5059] <... openat resumed>) = 4 [pid 5059] newfstatat(4, "", [pid 5263] <... memfd_create resumed>) = 3 [pid 5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5251] <... ftruncate resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5259] <... write resumed>) = 4194304 [pid 5059] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5251] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] close(4 [pid 5251] <... futex resumed>) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5250] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5250] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5259] munmap(0x7feca2c44000, 138412032 [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./8/file0") = 0 [pid 5259] <... munmap resumed>) = 0 [pid 5262] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5059] getdents64(3, [pid 5259] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5259] ioctl(4, LOOP_SET_FD, 3 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5059] rmdir("./8" [pid 5251] <... openat resumed>) = 6 [pid 5059] <... rmdir resumed>) = 0 [pid 5251] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5059] mkdir("./9", 0777 [pid 5259] <... ioctl resumed>) = 0 [pid 5251] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5250] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] close(3 [pid 5251] <... openat resumed>) = 7 [pid 5250] <... futex resumed>) = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5259] <... close resumed>) = 0 [pid 5251] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5251] <... futex resumed>) = 0 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5259] mkdir("./file0", 0777 [pid 5251] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5250] exit_group(0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5058] <... umount2 resumed>) = 0 [pid 5259] <... mkdir resumed>) = 0 [pid 5251] <... futex resumed>) = ? [pid 5250] <... exit_group resumed>) = ? [pid 5263] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5259] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5251] +++ exited with 0 +++ [pid 5250] +++ exited with 0 +++ [pid 5059] <... openat resumed>) = 3 [pid 5058] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./9/binderfs") = 0 [pid 5061] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 83.446404][ T5259] loop3: detected capacity change from 0 to 8192 [ 83.480852][ T5259] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5058] newfstatat(AT_FDCWD, "./9/file0", [pid 5059] close(3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... close resumed>) = 0 [pid 5058] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5265 attached [pid 5265] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5265] chdir("./9") = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] setpgid(0, 0) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5265 [pid 5058] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5265] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... openat resumed>) = 4 [pid 5058] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5265] <... symlink resumed>) = 0 [pid 5265] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4 [pid 5265] <... futex resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5265] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] rmdir("./9/file0" [pid 5265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] <... rmdir resumed>) = 0 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5265] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5265] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5266 attached [pid 5266] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5265] <... clone3 resumed> => {parent_tid=[5266]}, 88) = 5266 [pid 5266] <... rseq resumed>) = 0 [pid 5265] rt_sigprocmask(SIG_SETMASK, [], [pid 5266] set_robust_list(0x7fecab0649a0, 24 [pid 5265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5266] <... set_robust_list resumed>) = 0 [ 83.495268][ T5259] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 83.507495][ T5259] REISERFS (device loop3): using ordered data mode [ 83.531681][ T5259] reiserfs: using flush barriers [pid 5266] rt_sigprocmask(SIG_SETMASK, [], [pid 5265] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... write resumed>) = 4194304 [pid 5266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] <... write resumed>) = 4194304 [pid 5058] getdents64(3, [pid 5266] memfd_create("syzkaller", 0 [pid 5265] <... futex resumed>) = 0 [pid 5266] <... memfd_create resumed>) = 3 [pid 5265] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5263] munmap(0x7feca2c44000, 138412032 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5262] munmap(0x7feca2c44000, 138412032 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 83.566109][ T5259] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 83.586863][ T5259] REISERFS (device loop3): checking transaction log (loop3) [ 83.597130][ T5259] REISERFS (device loop3): Using r5 hash to sort names [pid 5058] close(3) = 0 [pid 5266] <... mmap resumed>) = 0x7feca2c44000 [pid 5058] rmdir("./9" [pid 5263] <... munmap resumed>) = 0 [pid 5262] <... munmap resumed>) = 0 [pid 5262] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5058] <... rmdir resumed>) = 0 [pid 5262] ioctl(4, LOOP_SET_FD, 3 [pid 5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5259] <... mount resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5058] mkdir("./10", 0777 [pid 5262] <... ioctl resumed>) = 0 [pid 5263] <... openat resumed>) = 4 [pid 5259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... mkdir resumed>) = 0 [pid 5263] ioctl(4, LOOP_SET_FD, 3 [pid 5259] <... openat resumed>) = 3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5262] close(3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5262] <... close resumed>) = 0 [pid 5259] chdir("./file0" [pid 5061] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5262] mkdir("./file0", 0777 [pid 5061] <... openat resumed>) = 4 [pid 5262] <... mkdir resumed>) = 0 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5262] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5061] getdents64(4, [pid 5259] <... chdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5259] ioctl(4, LOOP_CLR_FD) = 0 [pid 5259] close(4 [pid 5058] <... openat resumed>) = 3 [pid 5259] <... close resumed>) = 0 [pid 5061] getdents64(4, [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5266] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5259] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] close(4) = 0 [pid 5061] rmdir("./9/file0") = 0 [pid 5058] close(3 [pid 5259] <... futex resumed>) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5061] getdents64(3, [pid 5259] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... close resumed>) = 0 [pid 5257] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5257] <... futex resumed>) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5061] rmdir("./9" [pid 5259] mkdir(".", 0777 [pid 5257] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... rmdir resumed>) = 0 [pid 5259] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5061] mkdir("./10", 0777 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5268 [ 83.627504][ T5262] loop5: detected capacity change from 0 to 8192 [ 83.657265][ T5262] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 83.664707][ T5263] loop0: detected capacity change from 0 to 8192 ./strace-static-x86_64: Process 5268 attached [pid 5259] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5061] <... mkdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5061] close(3) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5269 [pid 5268] set_robust_list(0x55555568a6a0, 24./strace-static-x86_64: Process 5269 attached [pid 5269] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5268] <... set_robust_list resumed>) = 0 [pid 5263] <... ioctl resumed>) = 0 [pid 5268] chdir("./10" [pid 5263] close(3) = 0 [ 83.692515][ T5259] reiserfs: enabling write barrier flush mode [ 83.700599][ T5262] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5269] chdir("./10" [pid 5268] <... chdir resumed>) = 0 [pid 5263] mkdir("./file0", 0777 [pid 5269] <... chdir resumed>) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5263] <... mkdir resumed>) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5268] <... prctl resumed>) = 0 [pid 5263] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5269] <... prctl resumed>) = 0 [pid 5268] setpgid(0, 0 [pid 5269] setpgid(0, 0 [pid 5268] <... setpgid resumed>) = 0 [pid 5269] <... setpgid resumed>) = 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5268] <... openat resumed>) = 3 [pid 5266] <... write resumed>) = 4194304 [pid 5268] write(3, "1000", 4 [pid 5266] munmap(0x7feca2c44000, 138412032 [pid 5269] <... openat resumed>) = 3 [pid 5268] <... write resumed>) = 4 [pid 5266] <... munmap resumed>) = 0 [pid 5269] write(3, "1000", 4 [pid 5268] close(3) = 0 [pid 5269] <... write resumed>) = 4 [ 83.736671][ T5259] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 83.749329][ T5263] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 83.758691][ T5262] REISERFS (device loop5): using ordered data mode [ 83.774240][ T5263] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5266] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5269] close(3 [pid 5268] symlink("/dev/binderfs", "./binderfs" [pid 5259] <... mount resumed>) = 0 [pid 5269] <... close resumed>) = 0 [pid 5268] <... symlink resumed>) = 0 [pid 5266] <... openat resumed>) = 4 [pid 5259] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5269] symlink("/dev/binderfs", "./binderfs" [pid 5268] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... openat resumed>) = 4 [pid 5269] <... symlink resumed>) = 0 [pid 5268] <... futex resumed>) = 0 [pid 5259] chdir("." [pid 5266] ioctl(4, LOOP_SET_FD, 3 [pid 5269] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5259] <... chdir resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5268] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5259] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5259] <... futex resumed>) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5259] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5257] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5259] <... openat resumed>) = 5 [pid 5257] <... futex resumed>) = 0 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] <... mmap resumed>) = 0x7fecab044000 [pid 5259] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5268] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5266] <... ioctl resumed>) = 0 [pid 5259] <... futex resumed>) = 0 [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] close(3 [pid 5269] <... mmap resumed>) = 0x7fecab044000 [pid 5268] <... mprotect resumed>) = 0 [pid 5259] ftruncate(5, 100663296 [pid 5257] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... close resumed>) = 0 [pid 5266] mkdir("./file0", 0777) = 0 [ 83.783716][ T5263] REISERFS (device loop0): using ordered data mode [ 83.791829][ T5263] reiserfs: using flush barriers [ 83.797651][ T5266] loop2: detected capacity change from 0 to 8192 [ 83.804245][ T5262] reiserfs: using flush barriers [ 83.810949][ T5263] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5266] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5269] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5259] <... ftruncate resumed>) = 0 [pid 5257] <... futex resumed>) = 0 [pid 5269] <... mprotect resumed>) = 0 [pid 5268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5259] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5263] <... mount resumed>) = 0 [pid 5259] <... futex resumed>) = 0 [pid 5257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5263] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5259] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5257] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5263] <... openat resumed>) = 3 [pid 5259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5257] <... futex resumed>) = 0 [pid 5268] <... clone3 resumed> => {parent_tid=[5272]}, 88) = 5272 [pid 5263] chdir("./file0" [pid 5259] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5257] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5269] <... clone3 resumed> => {parent_tid=[5273]}, 88) = 5273 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], [pid 5263] <... chdir resumed>) = 0 [pid 5268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5263] ioctl(4, LOOP_CLR_FD [pid 5269] rt_sigprocmask(SIG_SETMASK, [], [pid 5268] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5268] <... futex resumed>) = 0 [pid 5263] <... ioctl resumed>) = 0 [ 83.825245][ T5262] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 83.836079][ T5263] REISERFS (device loop0): checking transaction log (loop0) [ 83.844932][ T5262] REISERFS (device loop5): checking transaction log (loop5) [ 83.852783][ T5263] REISERFS (device loop0): Using r5 hash to sort names [ 83.860848][ T5262] REISERFS (device loop5): Using r5 hash to sort names [ 83.872384][ T5266] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5269] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5263] close(4 [pid 5269] <... futex resumed>) = 0 [pid 5269] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5272 attached ./strace-static-x86_64: Process 5273 attached [pid 5272] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5273] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5272] <... rseq resumed>) = 0 [pid 5273] set_robust_list(0x7fecab0649a0, 24 [pid 5272] set_robust_list(0x7fecab0649a0, 24 [pid 5262] <... mount resumed>) = 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5273] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] memfd_create("syzkaller", 0 [pid 5272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5262] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5273] <... memfd_create resumed>) = 3 [pid 5272] memfd_create("syzkaller", 0 [pid 5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5272] <... memfd_create resumed>) = 3 [pid 5263] <... close resumed>) = 0 [pid 5262] <... openat resumed>) = 3 [pid 5262] chdir("./file0" [pid 5273] <... mmap resumed>) = 0x7feca2c44000 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5263] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... chdir resumed>) = 0 [pid 5259] <... openat resumed>) = 6 [pid 5272] <... mmap resumed>) = 0x7feca2c44000 [pid 5263] <... futex resumed>) = 1 [pid 5262] ioctl(4, LOOP_CLR_FD [pid 5261] <... futex resumed>) = 0 [pid 5259] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5263] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] <... ioctl resumed>) = 0 [pid 5261] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... futex resumed>) = 0 [pid 5257] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] close(4 [pid 5257] <... futex resumed>) = 0 [pid 5262] <... close resumed>) = 0 [pid 5262] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5257] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 83.886157][ T5266] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 83.896639][ T5266] REISERFS (device loop2): using ordered data mode [ 83.903558][ T5266] reiserfs: using flush barriers [ 83.912031][ T5266] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 83.928971][ T5266] REISERFS (device loop2): checking transaction log (loop2) [pid 5262] <... futex resumed>) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 0 [pid 5259] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5263] mkdir(".", 0777 [pid 5261] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5260] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... openat resumed>) = 7 [pid 5263] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5263] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5260] <... futex resumed>) = 0 [pid 5259] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5262] mkdir(".", 0777 [pid 5260] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5259] <... futex resumed>) = 1 [pid 5257] <... futex resumed>) = 0 [pid 5266] <... mount resumed>) = 0 [pid 5262] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5262] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5257] exit_group(0 [pid 5266] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5263] <... mount resumed>) = 0 [pid 5259] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] <... openat resumed>) = 3 [pid 5266] chdir("./file0" [pid 5259] <... futex resumed>) = ? [pid 5257] <... exit_group resumed>) = ? [pid 5266] <... chdir resumed>) = 0 [pid 5259] +++ exited with 0 +++ [pid 5266] ioctl(4, LOOP_CLR_FD [pid 5257] +++ exited with 0 +++ [pid 5266] <... ioctl resumed>) = 0 [pid 5266] close(4 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5266] <... close resumed>) = 0 [pid 5272] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5266] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5266] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5266] mkdir(".", 0777 [pid 5263] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5060] <... openat resumed>) = 3 [ 83.940350][ T5266] REISERFS (device loop2): Using r5 hash to sort names [ 83.944608][ T5263] reiserfs: enabling write barrier flush mode [ 83.974645][ T5263] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 83.977212][ T5262] reiserfs: enabling write barrier flush mode [pid 5266] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5263] <... openat resumed>) = 4 [pid 5060] newfstatat(3, "", [pid 5266] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5263] chdir("." [pid 5060] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5263] <... chdir resumed>) = 0 [pid 5060] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./9/binderfs") = 0 [pid 5060] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5263] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5263] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5261] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5261] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5263] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5261] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5261] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] ftruncate(5, 100663296) = 0 [pid 5263] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... mount resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5262] <... mount resumed>) = 0 [pid 5261] <... futex resumed>) = 0 [pid 5263] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5262] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5261] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... openat resumed>) = 4 [pid 5261] <... futex resumed>) = 0 [pid 5262] chdir("." [pid 5261] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5262] <... chdir resumed>) = 0 [pid 5266] <... openat resumed>) = 4 [pid 5262] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] chdir("." [pid 5262] <... futex resumed>) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5262] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] <... chdir resumed>) = 0 [ 84.035574][ T5266] reiserfs: enabling write barrier flush mode [ 84.042424][ T5262] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 84.072536][ T5266] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5260] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... write resumed>) = 4194304 [pid 5266] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... openat resumed>) = 6 [pid 5262] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 1 [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5263] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5260] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5265] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5265] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5262] <... openat resumed>) = 5 [pid 5261] <... futex resumed>) = 0 [pid 5265] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5261] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] munmap(0x7feca2c44000, 138412032 [pid 5261] <... futex resumed>) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5272] <... munmap resumed>) = 0 [pid 5261] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] ftruncate(5, 100663296 [pid 5260] <... futex resumed>) = 0 [pid 5260] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... openat resumed>) = 5 [pid 5262] <... ftruncate resumed>) = 0 [pid 5266] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5272] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5263] <... openat resumed>) = 7 [pid 5272] <... openat resumed>) = 4 [pid 5265] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] ioctl(4, LOOP_SET_FD, 3 [pid 5266] ftruncate(5, 100663296 [pid 5265] <... futex resumed>) = 0 [pid 5263] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... ioctl resumed>) = 0 [pid 5265] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... futex resumed>) = 1 [pid 5261] <... futex resumed>) = 0 [pid 5273] <... write resumed>) = 4194304 [pid 5261] exit_group(0 [pid 5262] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5262] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] <... futex resumed>) = 0 [pid 5261] <... exit_group resumed>) = ? [pid 5260] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] +++ exited with 0 +++ [pid 5261] +++ exited with 0 +++ [pid 5262] <... futex resumed>) = 0 [pid 5260] <... futex resumed>) = 1 [pid 5262] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5260] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5057] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5273] munmap(0x7feca2c44000, 138412032 [pid 5272] close(3 [pid 5266] <... ftruncate resumed>) = 0 [pid 5057] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5273] <... munmap resumed>) = 0 [pid 5272] <... close resumed>) = 0 [pid 5266] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5265] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] unlink("./9/binderfs" [pid 5273] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5272] mkdir("./file0", 0777 [pid 5266] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5265] <... futex resumed>) = 0 [pid 5262] <... openat resumed>) = 6 [pid 5057] <... unlink resumed>) = 0 [pid 5265] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5272] <... mkdir resumed>) = 0 [pid 5262] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5260] <... futex resumed>) = 0 [pid 5260] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 84.146601][ T5272] loop1: detected capacity change from 0 to 8192 [pid 5260] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5262] <... futex resumed>) = 1 [pid 5273] <... openat resumed>) = 4 [pid 5272] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5262] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5273] ioctl(4, LOOP_SET_FD, 3 [pid 5266] <... openat resumed>) = 6 [pid 5262] <... openat resumed>) = 7 [pid 5262] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5260] <... futex resumed>) = 0 [pid 5262] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5260] exit_group(0) = ? [pid 5262] <... futex resumed>) = ? [pid 5266] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] +++ exited with 0 +++ [pid 5260] +++ exited with 0 +++ [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5265] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5265] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5273] <... ioctl resumed>) = 0 [pid 5266] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5062] <... openat resumed>) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5273] close(3 [pid 5266] <... openat resumed>) = 7 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5273] <... close resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5273] mkdir("./file0", 0777 [pid 5266] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./9/binderfs") = 0 [pid 5273] <... mkdir resumed>) = 0 [pid 5266] <... futex resumed>) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5062] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5265] exit_group(0) = ? [pid 5273] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5266] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [ 84.217234][ T5272] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.231203][ T5273] loop4: detected capacity change from 0 to 8192 [pid 5059] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./9/binderfs") = 0 [pid 5059] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = 0 [pid 5060] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] close(4) = 0 [pid 5060] rmdir("./9/file0") = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3) = 0 [pid 5060] rmdir("./9") = 0 [pid 5060] mkdir("./10", 0777) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] close(3) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5276 ./strace-static-x86_64: Process 5276 attached [ 84.263701][ T5273] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.275953][ T5272] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 84.297353][ T5272] REISERFS (device loop1): using ordered data mode [ 84.304140][ T5272] reiserfs: using flush barriers [pid 5276] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5276] chdir("./10") = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 84.315045][ T5273] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 84.318162][ T5272] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 84.324929][ T5273] REISERFS (device loop4): using ordered data mode [ 84.348439][ T5273] reiserfs: using flush barriers [pid 5276] setpgid(0, 0) = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5276] write(3, "1000", 4) = 4 [pid 5276] close(3) = 0 [pid 5276] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5276] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5276] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5276] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5276] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5277]}, 88) = 5277 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5276] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 84.360368][ T5273] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 84.378019][ T5273] REISERFS (device loop4): checking transaction log (loop4) [pid 5276] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5277 attached [pid 5277] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5277] set_robust_list(0x7fecab0649a0, 24 [pid 5273] <... mount resumed>) = 0 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5057] <... umount2 resumed>) = 0 [pid 5057] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5273] chdir("./file0") = 0 [pid 5273] ioctl(4, LOOP_CLR_FD) = 0 [pid 5273] close(4) = 0 [pid 5057] newfstatat(AT_FDCWD, "./9/file0", [pid 5273] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5273] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5277] rt_sigprocmask(SIG_SETMASK, [], [pid 5269] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5277] memfd_create("syzkaller", 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5057] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5269] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5277] <... memfd_create resumed>) = 3 [pid 5057] close(4) = 0 [pid 5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] rmdir("./9/file0" [pid 5062] <... umount2 resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5269] <... futex resumed>) = 1 [pid 5277] <... mmap resumed>) = 0x7feca2c44000 [pid 5269] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] getdents64(3, [pid 5273] <... futex resumed>) = 0 [pid 5273] mkdir(".", 0777 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5273] <... mkdir resumed>) = -1 EEXIST (File exists) [ 84.409049][ T5273] REISERFS (device loop4): Using r5 hash to sort names [ 84.411894][ T5272] REISERFS (device loop1): checking transaction log (loop1) [ 84.431418][ T5272] REISERFS (device loop1): Using r5 hash to sort names [pid 5273] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5272] <... mount resumed>) = 0 [pid 5057] close(3 [pid 5062] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./9" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", [pid 5057] <... rmdir resumed>) = 0 [pid 5057] mkdir("./10", 0777 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 5057] <... mkdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./9/file0") = 0 [pid 5272] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5062] getdents64(3, [pid 5272] <... openat resumed>) = 3 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./9" [pid 5272] chdir("./file0" [pid 5062] <... rmdir resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5272] <... chdir resumed>) = 0 [pid 5272] ioctl(4, LOOP_CLR_FD [pid 5062] mkdir("./10", 0777 [pid 5057] <... openat resumed>) = 3 [pid 5272] <... ioctl resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5272] close(4) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5272] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5062] <... openat resumed>) = 3 [pid 5272] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5268] <... futex resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5268] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5268] <... futex resumed>) = 1 [pid 5062] close(3) = 0 [pid 5272] <... futex resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5272] mkdir(".", 0777 [pid 5268] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] close(3 [pid 5272] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5272] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5057] <... close resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5278 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached [pid 5278] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5278] chdir("./10") = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5278] setpgid(0, 0) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5278] write(3, "1000", 4) = 4 [pid 5278] close(3) = 0 [pid 5278] symlink("/dev/binderfs", "./binderfs" [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5279 [pid 5278] <... symlink resumed>) = 0 [pid 5278] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5278] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5278] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5279 attached ) = 0x7fecab044000 [pid 5279] set_robust_list(0x55555568a6a0, 24 [pid 5278] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5273] <... mount resumed>) = 0 [pid 5279] chdir("./10" [pid 5278] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5279] <... chdir resumed>) = 0 [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5273] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 5280 attached [pid 5280] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5278] <... clone3 resumed> => {parent_tid=[5280]}, 88) = 5280 [pid 5273] <... openat resumed>) = 4 [pid 5280] <... rseq resumed>) = 0 [pid 5279] <... prctl resumed>) = 0 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5273] chdir("." [pid 5280] set_robust_list(0x7fecab0649a0, 24 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] <... chdir resumed>) = 0 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5278] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5273] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] rt_sigprocmask(SIG_SETMASK, [], [pid 5279] setpgid(0, 0 [pid 5273] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5279] <... setpgid resumed>) = 0 [pid 5278] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5273] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] memfd_create("syzkaller", 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] <... futex resumed>) = 0 [pid 5280] <... memfd_create resumed>) = 3 [pid 5279] <... openat resumed>) = 3 [pid 5273] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5269] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5279] write(3, "1000", 4 [pid 5273] <... openat resumed>) = 5 [pid 5280] <... mmap resumed>) = 0x7feca2c44000 [pid 5279] <... write resumed>) = 4 [pid 5279] close(3) = 0 [ 84.488833][ T5273] reiserfs: enabling write barrier flush mode [ 84.516957][ T5273] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 84.531704][ T5272] reiserfs: enabling write barrier flush mode [pid 5279] symlink("/dev/binderfs", "./binderfs" [pid 5273] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... symlink resumed>) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5269] <... futex resumed>) = 0 [pid 5269] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... futex resumed>) = 0 [pid 5269] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] ftruncate(5, 100663296 [pid 5279] <... futex resumed>) = 0 [pid 5279] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5279] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5273] <... ftruncate resumed>) = 0 [pid 5279] <... mmap resumed>) = 0x7fecab044000 [pid 5273] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... mount resumed>) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5272] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5269] <... futex resumed>) = 0 [pid 5279] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5273] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] <... mprotect resumed>) = 0 [pid 5273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] <... openat resumed>) = 4 [pid 5269] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5273] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5272] chdir("." [pid 5269] <... futex resumed>) = 0 [pid 5279] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5269] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5279] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5272] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5281 attached [pid 5272] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5279] <... clone3 resumed> => {parent_tid=[5281]}, 88) = 5281 [pid 5273] <... openat resumed>) = 6 [pid 5272] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5268] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5281] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5272] <... openat resumed>) = 5 [pid 5268] <... futex resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./9/file0", [pid 5281] <... rseq resumed>) = 0 [pid 5279] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5281] set_robust_list(0x7fecab0649a0, 24 [pid 5279] <... futex resumed>) = 0 [pid 5273] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] <... futex resumed>) = 0 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 84.584060][ T5272] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5281] <... set_robust_list resumed>) = 0 [pid 5279] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5273] <... futex resumed>) = 1 [pid 5272] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5281] rt_sigprocmask(SIG_SETMASK, [], [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5269] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5273] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5272] ftruncate(5, 100663296 [pid 5269] <... futex resumed>) = 0 [pid 5268] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5281] memfd_create("syzkaller", 0 [pid 5280] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5273] <... openat resumed>) = 7 [pid 5269] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5281] <... memfd_create resumed>) = 3 [pid 5059] <... openat resumed>) = 4 [pid 5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] newfstatat(4, "", [pid 5281] <... mmap resumed>) = 0x7feca2c44000 [pid 5273] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5273] <... futex resumed>) = 1 [pid 5272] <... ftruncate resumed>) = 0 [pid 5269] <... futex resumed>) = 0 [pid 5273] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5269] exit_group(0 [pid 5273] <... futex resumed>) = ? [pid 5272] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5269] <... exit_group resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5272] <... futex resumed>) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5272] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5268] <... futex resumed>) = 0 [pid 5269] +++ exited with 0 +++ [pid 5059] getdents64(4, [pid 5268] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] getdents64(4, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./10/binderfs") = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5061] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./9/file0") = 0 [pid 5272] <... openat resumed>) = 6 [pid 5272] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5268] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5272] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5268] <... futex resumed>) = 0 [pid 5059] getdents64(3, [pid 5268] exit_group(0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5268] <... exit_group resumed>) = ? [pid 5059] close(3) = 0 [pid 5059] rmdir("./9") = 0 [pid 5272] +++ exited with 0 +++ [pid 5268] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5059] mkdir("./10", 0777 [pid 5058] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5281] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5059] <... mkdir resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5058] <... openat resumed>) = 3 [pid 5058] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5277] <... write resumed>) = 4194304 [pid 5059] <... openat resumed>) = 3 [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5277] munmap(0x7feca2c44000, 138412032) = 0 [pid 5277] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5277] <... openat resumed>) = 4 [pid 5277] ioctl(4, LOOP_SET_FD, 3 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5059] close(3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... close resumed>) = 0 [pid 5058] unlink("./10/binderfs" [pid 5277] <... ioctl resumed>) = 0 [pid 5277] close(3 [pid 5280] <... write resumed>) = 4194304 [pid 5277] <... close resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... unlink resumed>) = 0 [pid 5277] mkdir("./file0", 0777 [pid 5058] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5282 attached [pid 5280] munmap(0x7feca2c44000, 138412032 [pid 5277] <... mkdir resumed>) = 0 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5282 [pid 5282] set_robust_list(0x55555568a6a0, 24 [pid 5280] <... munmap resumed>) = 0 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5277] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5282] chdir("./10") = 0 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5282] setpgid(0, 0) = 0 [pid 5280] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] <... openat resumed>) = 4 [pid 5282] <... openat resumed>) = 3 [pid 5280] ioctl(4, LOOP_SET_FD, 3 [pid 5282] write(3, "1000", 4) = 4 [pid 5282] close(3) = 0 [pid 5282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5282] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5282] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5282] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5282] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5284]}, 88) = 5284 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5282] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 84.791171][ T5277] loop3: detected capacity change from 0 to 8192 [ 84.819684][ T5277] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.823412][ T5280] loop5: detected capacity change from 0 to 8192 [pid 5282] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5280] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5284 attached [pid 5284] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5284] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5284] memfd_create("syzkaller", 0 [pid 5280] close(3 [pid 5284] <... memfd_create resumed>) = 3 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5280] <... close resumed>) = 0 [pid 5284] <... mmap resumed>) = 0x7feca2c44000 [pid 5280] mkdir("./file0", 0777) = 0 [ 84.860590][ T5277] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 84.885087][ T5277] REISERFS (device loop3): using ordered data mode [ 84.892511][ T5277] reiserfs: using flush barriers [pid 5280] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5284] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5061] <... umount2 resumed>) = 0 [pid 5061] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 84.902204][ T5277] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 84.924984][ T5280] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.933610][ T5277] REISERFS (device loop3): checking transaction log (loop3) [pid 5284] <... write resumed>) = 4194304 [pid 5281] <... write resumed>) = 4194304 [pid 5061] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4 [pid 5284] munmap(0x7feca2c44000, 138412032 [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./10/file0" [pid 5281] munmap(0x7feca2c44000, 138412032 [pid 5061] <... rmdir resumed>) = 0 [pid 5281] <... munmap resumed>) = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5284] <... munmap resumed>) = 0 [pid 5061] rmdir("./10" [pid 5281] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5061] <... rmdir resumed>) = 0 [pid 5281] <... openat resumed>) = 4 [pid 5061] mkdir("./11", 0777 [pid 5284] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5281] ioctl(4, LOOP_SET_FD, 3 [pid 5061] <... mkdir resumed>) = 0 [pid 5284] <... openat resumed>) = 4 [ 84.988179][ T5280] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 84.997659][ T5280] REISERFS (device loop5): using ordered data mode [ 85.006042][ T5280] reiserfs: using flush barriers [ 85.012893][ T5281] loop0: detected capacity change from 0 to 8192 [ 85.019629][ T5280] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5058] <... umount2 resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5061] close(3) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] ioctl(4, LOOP_SET_FD, 3 [pid 5058] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5286 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5286 attached [pid 5286] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5286] chdir("./11" [pid 5058] newfstatat(AT_FDCWD, "./10/file0", [pid 5281] <... ioctl resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5286] <... chdir resumed>) = 0 [pid 5281] close(3 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5281] <... close resumed>) = 0 [pid 5286] <... prctl resumed>) = 0 [pid 5281] mkdir("./file0", 0777 [pid 5286] setpgid(0, 0 [pid 5281] <... mkdir resumed>) = 0 [pid 5058] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] <... setpgid resumed>) = 0 [pid 5284] <... ioctl resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5284] close(3 [pid 5058] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5286] <... openat resumed>) = 3 [pid 5284] <... close resumed>) = 0 [pid 5281] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5058] <... openat resumed>) = 4 [pid 5284] mkdir("./file0", 0777 [pid 5277] <... mount resumed>) = 0 [pid 5058] newfstatat(4, "", [pid 5286] write(3, "1000", 4 [pid 5284] <... mkdir resumed>) = 0 [pid 5286] <... write resumed>) = 4 [pid 5286] close(3) = 0 [pid 5286] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5284] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 85.038243][ T5284] loop2: detected capacity change from 0 to 8192 [ 85.046661][ T5277] REISERFS (device loop3): Using r5 hash to sort names [ 85.062638][ T5280] REISERFS (device loop5): checking transaction log (loop5) [ 85.070776][ T5281] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5286] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, [pid 5286] <... futex resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4 [pid 5286] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5277] <... openat resumed>) = 3 [pid 5286] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5277] chdir("./file0" [pid 5286] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5277] <... chdir resumed>) = 0 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5277] ioctl(4, LOOP_CLR_FD [pid 5286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5277] <... ioctl resumed>) = 0 [pid 5286] <... mmap resumed>) = 0x7fecab044000 [pid 5277] close(4 [pid 5286] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5277] <... close resumed>) = 0 [pid 5286] <... mprotect resumed>) = 0 [pid 5277] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5277] <... futex resumed>) = 1 [pid 5286] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5277] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5289]}, 88) = 5289 [pid 5286] rt_sigprocmask(SIG_SETMASK, [], [pid 5276] <... futex resumed>) = 0 [pid 5286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5276] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 0 [pid 5276] <... futex resumed>) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5277] mkdir(".", 0777 [pid 5276] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... close resumed>) = 0 [pid 5286] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5277] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5289 attached [pid 5277] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5289] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5058] rmdir("./10/file0" [pid 5289] <... rseq resumed>) = 0 [pid 5289] set_robust_list(0x7fecab0649a0, 24) = 0 [ 85.084020][ T5281] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 85.093798][ T5281] REISERFS (device loop0): using ordered data mode [ 85.096400][ T5284] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 85.113835][ T5284] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 85.124508][ T5281] reiserfs: using flush barriers [ 85.126171][ T5277] reiserfs: enabling write barrier flush mode [pid 5289] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5289] memfd_create("syzkaller", 0) = 3 [pid 5289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5058] <... rmdir resumed>) = 0 [ 85.135749][ T5281] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 85.143315][ T5280] REISERFS (device loop5): Using r5 hash to sort names [ 85.157259][ T5281] REISERFS (device loop0): checking transaction log (loop0) [ 85.167884][ T5284] REISERFS (device loop2): using ordered data mode [pid 5058] getdents64(3, [pid 5281] <... mount resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3 [pid 5281] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5280] <... mount resumed>) = 0 [pid 5281] <... openat resumed>) = 3 [pid 5280] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5058] <... close resumed>) = 0 [pid 5280] <... openat resumed>) = 3 [pid 5280] chdir("./file0") = 0 [pid 5280] ioctl(4, LOOP_CLR_FD) = 0 [pid 5280] close(4 [pid 5281] chdir("./file0" [pid 5280] <... close resumed>) = 0 [pid 5058] rmdir("./10" [pid 5280] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... rmdir resumed>) = 0 [pid 5281] <... chdir resumed>) = 0 [pid 5280] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... mount resumed>) = 0 [pid 5058] mkdir("./11", 0777 [pid 5281] ioctl(4, LOOP_CLR_FD [pid 5280] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5058] <... mkdir resumed>) = 0 [pid 5281] <... ioctl resumed>) = 0 [pid 5278] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5289] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5281] close(4 [ 85.184641][ T5284] reiserfs: using flush barriers [ 85.192065][ T5281] REISERFS (device loop0): Using r5 hash to sort names [ 85.199400][ T5277] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 85.202425][ T5284] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5277] <... openat resumed>) = 4 [pid 5281] <... close resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5281] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5281] <... futex resumed>) = 1 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5281] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] close(3) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5279] <... futex resumed>) = 0 [pid 5279] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5279] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5281] <... futex resumed>) = 0 [pid 5281] mkdir(".", 0777 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5290 [pid 5281] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5281] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5280] mkdir(".", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 5290 attached [pid 5290] set_robust_list(0x55555568a6a0, 24 [pid 5280] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5277] chdir("." [pid 5290] <... set_robust_list resumed>) = 0 [pid 5290] chdir("./11" [pid 5281] <... mount resumed>) = 0 [pid 5277] <... chdir resumed>) = 0 [pid 5277] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5276] <... futex resumed>) = 0 [ 85.256508][ T5281] reiserfs: enabling write barrier flush mode [ 85.275760][ T5281] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 85.285441][ T5284] REISERFS (device loop2): checking transaction log (loop2) [ 85.286832][ T5280] reiserfs: enabling write barrier flush mode [pid 5277] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... chdir resumed>) = 0 [pid 5281] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5277] <... futex resumed>) = 0 [pid 5276] <... futex resumed>) = 1 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5281] <... openat resumed>) = 4 [pid 5277] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5276] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... prctl resumed>) = 0 [pid 5281] chdir("." [pid 5277] <... openat resumed>) = 5 [pid 5290] setpgid(0, 0 [pid 5284] <... mount resumed>) = 0 [pid 5281] <... chdir resumed>) = 0 [pid 5277] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... setpgid resumed>) = 0 [pid 5284] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5281] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = 1 [pid 5276] <... futex resumed>) = 0 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5284] <... openat resumed>) = 3 [pid 5281] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5277] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... openat resumed>) = 3 [pid 5289] <... write resumed>) = 4194304 [pid 5284] chdir("./file0" [pid 5281] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 85.301792][ T5284] REISERFS (device loop2): Using r5 hash to sort names [pid 5276] <... futex resumed>) = 0 [pid 5290] write(3, "1000", 4 [pid 5289] munmap(0x7feca2c44000, 138412032 [pid 5284] <... chdir resumed>) = 0 [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5279] <... futex resumed>) = 0 [pid 5277] ftruncate(5, 100663296 [pid 5290] <... write resumed>) = 4 [pid 5284] ioctl(4, LOOP_CLR_FD [pid 5281] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5279] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] close(3 [pid 5289] <... munmap resumed>) = 0 [pid 5284] <... ioctl resumed>) = 0 [pid 5281] <... openat resumed>) = 5 [pid 5276] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5281] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] ioctl(4, LOOP_SET_FD, 3 [pid 5279] <... futex resumed>) = 0 [pid 5281] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] <... close resumed>) = 0 [pid 5284] close(4 [pid 5279] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5284] <... close resumed>) = 0 [pid 5281] ftruncate(5, 100663296 [pid 5279] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] symlink("/dev/binderfs", "./binderfs" [pid 5284] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5289] <... ioctl resumed>) = 0 [pid 5290] <... symlink resumed>) = 0 [pid 5284] mkdir(".", 0777 [pid 5282] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... ftruncate resumed>) = 0 [pid 5282] <... futex resumed>) = 0 [pid 5284] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5282] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5289] close(3) = 0 [pid 5289] mkdir("./file0", 0777 [pid 5284] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5289] <... mkdir resumed>) = 0 [pid 5289] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5290] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... ftruncate resumed>) = 0 [pid 5277] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = 0 [pid 5290] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 85.348266][ T5289] loop4: detected capacity change from 0 to 8192 [ 85.371031][ T5284] reiserfs: enabling write barrier flush mode [ 85.383849][ T5280] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5290] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5281] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5277] <... futex resumed>) = 0 [pid 5276] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5281] <... futex resumed>) = 0 [pid 5279] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5281] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5279] <... futex resumed>) = 0 [pid 5279] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... mmap resumed>) = 0x7fecab044000 [pid 5276] <... futex resumed>) = 0 [pid 5290] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5276] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] <... mprotect resumed>) = 0 [pid 5290] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5277] <... openat resumed>) = 6 [pid 5290] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5280] <... mount resumed>) = 0 [pid 5280] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5280] chdir(".") = 0 [pid 5280] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5280] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5280] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5278] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5292 attached [pid 5280] <... openat resumed>) = 5 [pid 5292] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5290] <... clone3 resumed> => {parent_tid=[5292]}, 88) = 5292 [pid 5280] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] <... futex resumed>) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 1 [pid 5276] <... futex resumed>) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5278] <... futex resumed>) = 0 [pid 5276] <... futex resumed>) = 0 [pid 5292] <... rseq resumed>) = 0 [pid 5290] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] ftruncate(5, 100663296 [pid 5278] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 85.397823][ T5289] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 85.415624][ T5284] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5276] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] set_robust_list(0x7fecab0649a0, 24 [pid 5290] <... futex resumed>) = 0 [pid 5284] <... mount resumed>) = 0 [pid 5281] <... openat resumed>) = 6 [pid 5277] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5292] <... set_robust_list resumed>) = 0 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], [pid 5280] <... ftruncate resumed>) = 0 [pid 5292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] memfd_create("syzkaller", 0) = 3 [pid 5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5277] <... openat resumed>) = 7 [pid 5292] <... mmap resumed>) = 0x7feca2c44000 [pid 5290] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5284] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5281] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5277] <... futex resumed>) = 1 [pid 5284] <... openat resumed>) = 4 [pid 5281] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5279] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5276] <... futex resumed>) = 0 [pid 5279] <... futex resumed>) = 0 [pid 5279] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... futex resumed>) = 0 [pid 5278] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5278] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] <... futex resumed>) = 1 [pid 5280] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5276] exit_group(0 [pid 5281] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5277] <... futex resumed>) = ? [pid 5276] <... exit_group resumed>) = ? [pid 5281] <... openat resumed>) = 7 [pid 5277] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5281] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5281] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5284] chdir("." [pid 5279] <... futex resumed>) = 0 [pid 5060] <... restart_syscall resumed>) = 0 [pid 5284] <... chdir resumed>) = 0 [pid 5279] exit_group(0 [pid 5284] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5281] <... futex resumed>) = ? [pid 5279] <... exit_group resumed>) = ? [pid 5284] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5281] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5284] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5282] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5284] <... openat resumed>) = 5 [pid 5282] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5284] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5282] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5284] <... futex resumed>) = 0 [pid 5282] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] <... openat resumed>) = 3 [pid 5284] ftruncate(5, 100663296 [pid 5282] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(3, "", [pid 5282] <... futex resumed>) = 0 [pid 5280] <... openat resumed>) = 6 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5282] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] getdents64(3, [pid 5292] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 85.443083][ T5289] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 85.454617][ T5289] REISERFS (device loop4): using ordered data mode [ 85.462142][ T5289] reiserfs: using flush barriers [pid 5060] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5284] <... ftruncate resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... openat resumed>) = 3 [pid 5060] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] newfstatat(3, "", [pid 5060] unlink("./10/binderfs" [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5278] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... unlink resumed>) = 0 [pid 5278] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5278] <... futex resumed>) = 0 [pid 5278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5278] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5057] getdents64(3, [pid 5278] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5278] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5057] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5278] <... clone3 resumed> => {parent_tid=[5293]}, 88) = 5293 [pid 5278] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5293 attached [pid 5284] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5293] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5284] <... futex resumed>) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5280] <... futex resumed>) = 0 [pid 5278] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5293] <... rseq resumed>) = 0 [pid 5292] <... write resumed>) = 4194304 [pid 5284] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5282] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5280] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] <... futex resumed>) = 0 [pid 5057] unlink("./10/binderfs" [pid 5293] set_robust_list(0x7fecab0439a0, 24 [pid 5292] munmap(0x7feca2c44000, 138412032 [pid 5282] <... futex resumed>) = 0 [pid 5278] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] <... munmap resumed>) = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5282] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5293] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5057] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5292] <... openat resumed>) = 4 [pid 5293] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 85.513170][ T5289] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 85.550488][ T5289] REISERFS (device loop4): checking transaction log (loop4) [pid 5292] ioctl(4, LOOP_SET_FD, 3 [pid 5293] <... openat resumed>) = 7 [pid 5293] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5278] <... futex resumed>) = 0 [pid 5293] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5278] exit_group(0 [pid 5292] <... ioctl resumed>) = 0 [pid 5293] <... futex resumed>) = ? [pid 5280] <... futex resumed>) = ? [pid 5278] <... exit_group resumed>) = ? [pid 5280] +++ exited with 0 +++ [pid 5293] +++ exited with 0 +++ [pid 5284] <... openat resumed>) = 6 [pid 5284] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5282] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5282] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] close(3) = 0 [pid 5292] mkdir("./file0", 0777 [pid 5284] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5278] +++ exited with 0 +++ [pid 5284] <... openat resumed>) = 7 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5284] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5282] <... futex resumed>) = 0 [pid 5282] exit_group(0) = ? [pid 5062] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5289] <... mount resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5289] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5062] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5289] <... openat resumed>) = 3 [pid 5062] <... openat resumed>) = 3 [pid 5062] newfstatat(3, "", [pid 5289] chdir("./file0" [pid 5292] <... mkdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 5289] <... chdir resumed>) = 0 [pid 5289] ioctl(4, LOOP_CLR_FD) = 0 [pid 5289] close(4) = 0 [pid 5292] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5289] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5289] <... futex resumed>) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5284] +++ exited with 0 +++ [pid 5282] +++ exited with 0 +++ [pid 5062] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [ 85.564007][ T5292] loop1: detected capacity change from 0 to 8192 [ 85.574832][ T5289] REISERFS (device loop4): Using r5 hash to sort names [pid 5062] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5289] mkdir(".", 0777 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5289] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5289] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5062] unlink("./10/binderfs" [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... unlink resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./10/binderfs", [pid 5060] newfstatat(AT_FDCWD, "./10/file0", [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(4, [pid 5059] unlink("./10/binderfs" [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, [pid 5059] <... unlink resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] close(4) = 0 [pid 5060] rmdir("./10/file0") = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3) = 0 [pid 5060] rmdir("./10") = 0 [pid 5060] mkdir("./11", 0777) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] close(3) = 0 [ 85.625887][ T5289] reiserfs: enabling write barrier flush mode [ 85.638421][ T5289] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 85.648512][ T5292] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached [pid 5289] <... mount resumed>) = 0 [pid 5057] <... umount2 resumed>) = 0 [pid 5289] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5295] set_robust_list(0x55555568a6a0, 24 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5295 [pid 5057] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5057] newfstatat(4, "", [pid 5289] <... openat resumed>) = 4 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5289] chdir("." [pid 5057] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5289] <... chdir resumed>) = 0 [pid 5289] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5286] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(4) = 0 [pid 5057] rmdir("./10/file0" [pid 5295] <... set_robust_list resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5295] chdir("./11" [pid 5057] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5057] rmdir("./10" [pid 5289] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5057] <... rmdir resumed>) = 0 [pid 5057] mkdir("./11", 0777 [pid 5289] <... openat resumed>) = 5 [pid 5057] <... mkdir resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5295] <... chdir resumed>) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] close(3) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5295] setpgid(0, 0) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5296 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5296 attached [pid 5296] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5296] chdir("./11" [pid 5295] <... openat resumed>) = 3 [pid 5296] <... chdir resumed>) = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5296] setpgid(0, 0) = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5296] write(3, "1000", 4) = 4 [pid 5296] close(3) = 0 [pid 5296] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5296] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5296] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5289] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] write(3, "1000", 4 [pid 5296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5296] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5289] <... futex resumed>) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5286] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5286] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] <... mprotect resumed>) = 0 [pid 5295] <... write resumed>) = 4 [pid 5296] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5297 attached => {parent_tid=[5297]}, 88) = 5297 [pid 5295] close(3 [pid 5296] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] <... close resumed>) = 0 [pid 5289] ftruncate(5, 100663296 [ 85.702095][ T5292] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 85.724879][ T5292] REISERFS (device loop1): using ordered data mode [ 85.742543][ T5292] reiserfs: using flush barriers [pid 5297] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] symlink("/dev/binderfs", "./binderfs" [pid 5297] <... rseq resumed>) = 0 [pid 5296] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... symlink resumed>) = 0 [pid 5289] <... ftruncate resumed>) = 0 [pid 5289] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5286] <... futex resumed>) = 0 [pid 5286] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5286] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5289] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5297] set_robust_list(0x7fecab0649a0, 24 [pid 5296] <... futex resumed>) = 0 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5296] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5295] <... futex resumed>) = 0 [pid 5297] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5295] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5297] memfd_create("syzkaller", 0 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 85.767021][ T5292] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5297] <... memfd_create resumed>) = 3 [pid 5295] <... mmap resumed>) = 0x7fecab044000 [pid 5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5295] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5297] <... mmap resumed>) = 0x7feca2c44000 [pid 5295] <... mprotect resumed>) = 0 [pid 5295] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5289] <... openat resumed>) = 6 [pid 5289] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5289] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5286] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5289] <... openat resumed>) = 7 [pid 5286] <... futex resumed>) = 0 [pid 5295] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5286] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5298 attached [pid 5289] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 5298] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5295] <... clone3 resumed> => {parent_tid=[5298]}, 88) = 5298 [pid 5298] <... rseq resumed>) = 0 [pid 5295] rt_sigprocmask(SIG_SETMASK, [], [pid 5298] set_robust_list(0x7fecab0649a0, 24 [pid 5295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5298] rt_sigprocmask(SIG_SETMASK, [], [pid 5295] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5289] <... futex resumed>) = 1 [pid 5286] <... futex resumed>) = 0 [pid 5062] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = 0 [pid 5298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5286] exit_group(0 [pid 5059] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... exit_group resumed>) = ? [pid 5298] memfd_create("syzkaller", 0 [pid 5062] newfstatat(AT_FDCWD, "./10/file0", [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] <... memfd_create resumed>) = 3 [pid 5295] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5289] +++ exited with 0 +++ [pid 5286] +++ exited with 0 +++ [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] newfstatat(AT_FDCWD, "./10/file0", [pid 5062] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... openat resumed>) = 3 [pid 5059] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5298] <... mmap resumed>) = 0x7feca2c44000 [pid 5061] getdents64(3, [pid 5059] newfstatat(4, "", [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] getdents64(4, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5059] getdents64(4, [pid 5062] <... openat resumed>) = 4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] newfstatat(4, "", [pid 5061] unlink("./11/binderfs" [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5062] getdents64(4, [pid 5059] close(4 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(4, [pid 5059] <... close resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] rmdir("./10/file0" [pid 5062] close(4) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5062] rmdir("./10/file0" [pid 5059] getdents64(3, [pid 5062] <... rmdir resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5059] rmdir("./10" [pid 5292] <... mount resumed>) = 0 [pid 5297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5062] getdents64(3, [pid 5059] <... rmdir resumed>) = 0 [pid 5059] mkdir("./11", 0777 [pid 5292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] <... mkdir resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5059] close(3 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] <... close resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5299 ./strace-static-x86_64: Process 5299 attached [pid 5292] <... openat resumed>) = 3 [pid 5299] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5299] chdir("./11" [pid 5062] close(3 [pid 5292] chdir("./file0" [pid 5062] <... close resumed>) = 0 [pid 5292] <... chdir resumed>) = 0 [ 85.863101][ T5292] REISERFS (device loop1): checking transaction log (loop1) [ 85.888712][ T5292] REISERFS (device loop1): Using r5 hash to sort names [pid 5062] rmdir("./10" [pid 5299] <... chdir resumed>) = 0 [pid 5292] ioctl(4, LOOP_CLR_FD [pid 5062] <... rmdir resumed>) = 0 [pid 5292] <... ioctl resumed>) = 0 [pid 5292] close(4) = 0 [pid 5062] mkdir("./11", 0777 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5292] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... mkdir resumed>) = 0 [pid 5299] <... prctl resumed>) = 0 [pid 5292] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5290] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5299] setpgid(0, 0) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5292] mkdir(".", 0777 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5299] <... openat resumed>) = 3 [pid 5062] <... openat resumed>) = 3 [pid 5299] write(3, "1000", 4) = 4 [pid 5299] close(3) = 0 [pid 5292] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5299] symlink("/dev/binderfs", "./binderfs" [pid 5061] <... umount2 resumed>) = 0 [pid 5299] <... symlink resumed>) = 0 [pid 5292] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5299] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(3 [pid 5061] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5299] <... futex resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5299] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5061] newfstatat(AT_FDCWD, "./11/file0", [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5300 ./strace-static-x86_64: Process 5300 attached [pid 5300] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5300] chdir("./11") = 0 [pid 5299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5299] <... mmap resumed>) = 0x7fecab044000 [pid 5061] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5299] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5061] <... openat resumed>) = 4 [pid 5299] <... mprotect resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 5299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] getdents64(4, [pid 5299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5301 attached [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] <... mount resumed>) = 0 [pid 5061] getdents64(4, [pid 5301] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5299] <... clone3 resumed> => {parent_tid=[5301]}, 88) = 5301 [pid 5292] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5301] <... rseq resumed>) = 0 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5292] <... openat resumed>) = 4 [pid 5061] close(4 [pid 5301] set_robust_list(0x7fecab0649a0, 24 [pid 5300] <... prctl resumed>) = 0 [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5298] <... write resumed>) = 4194304 [pid 5292] chdir("." [pid 5061] <... close resumed>) = 0 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5300] setpgid(0, 0 [pid 5301] rt_sigprocmask(SIG_SETMASK, [], [pid 5300] <... setpgid resumed>) = 0 [pid 5299] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] munmap(0x7feca2c44000, 138412032 [pid 5292] <... chdir resumed>) = 0 [pid 5061] rmdir("./11/file0" [pid 5301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] <... futex resumed>) = 0 [pid 5292] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... openat resumed>) = 3 [ 85.982554][ T5292] reiserfs: enabling write barrier flush mode [ 85.998178][ T5292] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5298] <... munmap resumed>) = 0 [pid 5292] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5301] memfd_create("syzkaller", 0 [pid 5300] write(3, "1000", 4 [pid 5299] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5292] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 5301] <... memfd_create resumed>) = 3 [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] <... futex resumed>) = 0 [pid 5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5292] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5290] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] getdents64(3, [pid 5300] <... write resumed>) = 4 [pid 5300] close(3) = 0 [pid 5300] symlink("/dev/binderfs", "./binderfs" [pid 5292] <... openat resumed>) = 5 [pid 5292] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5301] <... mmap resumed>) = 0x7feca2c44000 [pid 5298] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5300] <... symlink resumed>) = 0 [pid 5300] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] <... openat resumed>) = 4 [pid 5061] close(3 [pid 5300] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5292] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5298] ioctl(4, LOOP_SET_FD, 3 [pid 5292] ftruncate(5, 100663296 [pid 5290] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./11" [pid 5300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5290] <... futex resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5290] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] mkdir("./12", 0777 [pid 5300] <... mmap resumed>) = 0x7fecab044000 [pid 5300] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5302]}, 88) = 5302 [pid 5300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5300] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 ./strace-static-x86_64: Process 5302 attached [pid 5302] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5302] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5297] <... write resumed>) = 4194304 [pid 5302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5302] memfd_create("syzkaller", 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5302] <... memfd_create resumed>) = 3 [pid 5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5297] munmap(0x7feca2c44000, 138412032 [pid 5292] <... ftruncate resumed>) = 0 [pid 5061] close(3 [pid 5297] <... munmap resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5298] <... ioctl resumed>) = 0 [pid 5292] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5303 attached [pid 5298] close(3 [pid 5292] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5292] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5290] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5303 [pid 5298] <... close resumed>) = 0 [pid 5303] set_robust_list(0x55555568a6a0, 24 [pid 5298] mkdir("./file0", 0777 [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5290] <... futex resumed>) = 0 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5292] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5290] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 86.061985][ T5298] loop3: detected capacity change from 0 to 8192 [pid 5297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5297] ioctl(4, LOOP_SET_FD, 3 [pid 5303] chdir("./12") = 0 [pid 5298] <... mkdir resumed>) = 0 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5303] setpgid(0, 0 [pid 5301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5298] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5292] <... openat resumed>) = 6 [pid 5297] <... ioctl resumed>) = 0 [pid 5303] <... setpgid resumed>) = 0 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] close(3) = 0 [pid 5297] mkdir("./file0", 0777 [pid 5303] <... openat resumed>) = 3 [pid 5297] <... mkdir resumed>) = 0 [pid 5297] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5292] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5290] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5303] write(3, "1000", 4 [pid 5292] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5303] <... write resumed>) = 4 [pid 5292] <... openat resumed>) = 7 [pid 5303] close(3) = 0 [pid 5303] symlink("/dev/binderfs", "./binderfs") = 0 [ 86.118424][ T5297] loop0: detected capacity change from 0 to 8192 [ 86.152794][ T5298] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5303] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5303] <... futex resumed>) = 0 [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5303] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5290] exit_group(0 [pid 5303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5290] <... exit_group resumed>) = ? [pid 5292] <... futex resumed>) = ? [pid 5303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5292] +++ exited with 0 +++ [pid 5303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5290] +++ exited with 0 +++ [pid 5303] <... mmap resumed>) = 0x7fecab044000 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5303] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5058] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5303] <... mprotect resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5058] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, ./strace-static-x86_64: Process 5306 attached [ 86.180732][ T5297] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 86.182384][ T5298] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 86.205429][ T5297] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 86.215430][ T5297] REISERFS (device loop0): using ordered data mode [ 86.222523][ T5297] reiserfs: using flush barriers [ 86.232782][ T5298] REISERFS (device loop3): using ordered data mode [ 86.234555][ T5297] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 86.239861][ T5298] reiserfs: using flush barriers [ 86.262835][ T5297] REISERFS (device loop0): checking transaction log (loop0) [pid 5303] <... clone3 resumed> => {parent_tid=[5306]}, 88) = 5306 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5306] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5306] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5306] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5301] <... write resumed>) = 4194304 [pid 5058] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5301] munmap(0x7feca2c44000, 138412032 [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] <... mount resumed>) = 0 [pid 5303] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... munmap resumed>) = 0 [pid 5298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5297] <... mount resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5306] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5303] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5306] memfd_create("syzkaller", 0 [pid 5301] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5298] <... openat resumed>) = 3 [pid 5297] <... openat resumed>) = 3 [pid 5058] unlink("./11/binderfs" [pid 5306] <... memfd_create resumed>) = 3 [pid 5301] <... openat resumed>) = 4 [pid 5298] chdir("./file0" [pid 5297] chdir("./file0" [pid 5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5301] ioctl(4, LOOP_SET_FD, 3 [pid 5298] <... chdir resumed>) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5297] <... chdir resumed>) = 0 [pid 5306] <... mmap resumed>) = 0x7feca2c44000 [pid 5297] ioctl(4, LOOP_CLR_FD [pid 5058] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] ioctl(4, LOOP_CLR_FD) = 0 [pid 5298] close(4) = 0 [pid 5302] <... write resumed>) = 4194304 [pid 5301] <... ioctl resumed>) = 0 [pid 5297] <... ioctl resumed>) = 0 [pid 5297] close(4 [pid 5302] munmap(0x7feca2c44000, 138412032 [pid 5298] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] close(3) = 0 [pid 5302] <... munmap resumed>) = 0 [ 86.265004][ T5298] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 86.290103][ T5298] REISERFS (device loop3): checking transaction log (loop3) [ 86.299114][ T5298] REISERFS (device loop3): Using r5 hash to sort names [ 86.305173][ T5297] REISERFS (device loop0): Using r5 hash to sort names [ 86.321536][ T5301] loop2: detected capacity change from 0 to 8192 [pid 5301] mkdir("./file0", 0777 [pid 5298] <... futex resumed>) = 1 [pid 5297] <... close resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5297] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] <... futex resumed>) = 0 [pid 5298] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5298] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5302] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5301] <... mkdir resumed>) = 0 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = 0 [pid 5302] <... openat resumed>) = 4 [pid 5296] <... futex resumed>) = 0 [pid 5301] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5297] mkdir(".", 0777 [pid 5296] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5295] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5302] ioctl(4, LOOP_SET_FD, 3 [pid 5297] <... mkdir resumed>) = -1 EEXIST (File exists) [ 86.351688][ T5298] reiserfs: enabling write barrier flush mode [ 86.374112][ T5297] reiserfs: enabling write barrier flush mode [ 86.383302][ T5302] loop5: detected capacity change from 0 to 8192 [ 86.384663][ T5298] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5297] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5302] <... ioctl resumed>) = 0 [pid 5302] close(3) = 0 [pid 5302] mkdir("./file0", 0777) = 0 [pid 5302] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5058] <... umount2 resumed>) = 0 [pid 5298] <... mount resumed>) = 0 [pid 5058] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] <... openat resumed>) = 4 [ 86.399145][ T5301] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 86.432973][ T5297] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] chdir("." [pid 5058] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5298] <... chdir resumed>) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5058] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(4, [pid 5298] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5298] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5298] <... openat resumed>) = 5 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4) = 0 [ 86.457472][ T5302] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5058] rmdir("./11/file0" [pid 5298] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... rmdir resumed>) = 0 [pid 5058] getdents64(3, [pid 5295] <... futex resumed>) = 0 [pid 5298] <... futex resumed>) = 1 [pid 5298] ftruncate(5, 100663296 [pid 5295] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5306] <... write resumed>) = 4194304 [pid 5297] <... mount resumed>) = 0 [pid 5295] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] close(3) = 0 [pid 5058] rmdir("./11" [pid 5306] munmap(0x7feca2c44000, 138412032 [pid 5298] <... ftruncate resumed>) = 0 [pid 5297] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5058] <... rmdir resumed>) = 0 [ 86.499229][ T5301] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 86.507919][ T5302] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 86.514278][ T5301] REISERFS (device loop2): using ordered data mode [ 86.525205][ T5301] reiserfs: using flush barriers [ 86.527745][ T5302] REISERFS (device loop5): using ordered data mode [pid 5306] <... munmap resumed>) = 0 [pid 5298] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... openat resumed>) = 4 [pid 5058] mkdir("./12", 0777 [pid 5306] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5298] <... futex resumed>) = 1 [pid 5297] chdir("." [pid 5295] <... futex resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5306] <... openat resumed>) = 4 [pid 5306] ioctl(4, LOOP_SET_FD, 3 [pid 5298] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5297] <... chdir resumed>) = 0 [pid 5295] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 86.532518][ T5301] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 86.540189][ T5302] reiserfs: using flush barriers [ 86.554685][ T5301] REISERFS (device loop2): checking transaction log (loop2) [ 86.564855][ T5302] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 86.567438][ T5301] REISERFS (device loop2): Using r5 hash to sort names [ 86.583164][ T5302] REISERFS (device loop5): checking transaction log (loop5) [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5301] <... mount resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5295] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5297] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5297] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5058] close(3 [pid 5296] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... openat resumed>) = 3 [pid 5296] <... futex resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5296] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5301] chdir("./file0") = 0 [pid 5301] ioctl(4, LOOP_CLR_FD) = 0 [pid 5301] close(4) = 0 [pid 5301] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5301] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5309 [pid 5299] <... futex resumed>) = 0 [pid 5299] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5297] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000./strace-static-x86_64: Process 5309 attached [pid 5301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] mkdir(".", 0777 [pid 5309] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5301] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5309] chdir("./12" [pid 5301] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5309] <... chdir resumed>) = 0 [pid 5297] <... openat resumed>) = 5 [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5298] <... openat resumed>) = 6 [pid 5297] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] setpgid(0, 0 [pid 5298] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5309] <... setpgid resumed>) = 0 [pid 5298] <... futex resumed>) = 1 [pid 5297] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5296] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5296] <... futex resumed>) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5298] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5297] ftruncate(5, 100663296 [pid 5295] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] <... openat resumed>) = 3 [pid 5309] write(3, "1000", 4 [pid 5306] <... ioctl resumed>) = 0 [pid 5295] <... futex resumed>) = 0 [pid 5309] <... write resumed>) = 4 [pid 5298] <... openat resumed>) = 7 [pid 5297] <... ftruncate resumed>) = 0 [pid 5295] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5309] close(3 [pid 5298] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... close resumed>) = 0 [pid 5298] <... futex resumed>) = 0 [pid 5309] symlink("/dev/binderfs", "./binderfs" [pid 5298] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5297] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] <... symlink resumed>) = 0 [pid 5306] close(3 [pid 5297] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5295] exit_group(0 [pid 5309] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... close resumed>) = 0 [pid 5298] <... futex resumed>) = ? [pid 5297] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5296] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] <... exit_group resumed>) = ? [pid 5306] mkdir("./file0", 0777 [pid 5298] +++ exited with 0 +++ [pid 5296] <... futex resumed>) = 0 [pid 5306] <... mkdir resumed>) = 0 [pid 5296] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5295] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5301] <... mount resumed>) = 0 [pid 5309] <... futex resumed>) = 0 [ 86.591220][ T5306] loop4: detected capacity change from 0 to 8192 [ 86.613186][ T5301] reiserfs: enabling write barrier flush mode [ 86.633014][ T5301] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5301] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5309] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5297] <... openat resumed>) = 6 [pid 5301] chdir("." [pid 5309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5301] <... chdir resumed>) = 0 [pid 5297] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5301] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5301] <... futex resumed>) = 1 [pid 5301] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5297] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5296] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5299] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5309] <... mmap resumed>) = 0x7fecab044000 [pid 5299] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5309] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5301] <... futex resumed>) = 0 [pid 5309] <... mprotect resumed>) = 0 [pid 5301] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5297] <... openat resumed>) = 7 [pid 5296] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5302] <... mount resumed>) = 0 [pid 5301] <... openat resumed>) = 5 [pid 5296] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5301] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... openat resumed>) = 3 [pid 5309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5301] <... futex resumed>) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5060] newfstatat(3, "", [ 86.660575][ T5302] REISERFS (device loop5): Using r5 hash to sort names [ 86.668643][ T5306] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 86.681270][ T9] cfg80211: failed to load regulatory.db [ 86.697591][ T5306] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5301] ftruncate(5, 100663296 [pid 5299] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5297] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5309] <... clone3 resumed> => {parent_tid=[5311]}, 88) = 5311 [pid 5302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5301] <... ftruncate resumed>) = 0 [pid 5299] <... futex resumed>) = 0 [pid 5297] <... futex resumed>) = 1 [pid 5296] <... futex resumed>) = 0 [pid 5060] getdents64(3, ./strace-static-x86_64: Process 5311 attached [pid 5309] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] <... openat resumed>) = 3 [pid 5299] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5296] exit_group(0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5311] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5296] <... exit_group resumed>) = ? [pid 5060] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5311] <... rseq resumed>) = 0 [pid 5309] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5311] set_robust_list(0x7fecab0649a0, 24 [pid 5309] <... futex resumed>) = 0 [pid 5302] chdir("./file0" [pid 5060] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5311] <... set_robust_list resumed>) = 0 [pid 5309] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5302] <... chdir resumed>) = 0 [pid 5297] +++ exited with 0 +++ [pid 5296] +++ exited with 0 +++ [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5311] rt_sigprocmask(SIG_SETMASK, [], [pid 5302] ioctl(4, LOOP_CLR_FD [pid 5060] unlink("./11/binderfs" [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5311] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5057] restart_syscall(<... resuming interrupted clone ...> [pid 5311] memfd_create("syzkaller", 0 [pid 5060] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... restart_syscall resumed>) = 0 [pid 5311] <... memfd_create resumed>) = 3 [pid 5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5057] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5302] <... ioctl resumed>) = 0 [pid 5302] close(4 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5301] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] newfstatat(3, "", [pid 5301] <... futex resumed>) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5299] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] getdents64(3, [pid 5299] <... futex resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5299] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5302] <... close resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5302] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] unlink("./11/binderfs") = 0 [ 86.707912][ T5306] REISERFS (device loop4): using ordered data mode [ 86.716057][ T5306] reiserfs: using flush barriers [ 86.727657][ T5306] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 86.752754][ T5306] REISERFS (device loop4): checking transaction log (loop4) [pid 5057] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5302] <... futex resumed>) = 1 [pid 5301] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5300] <... futex resumed>) = 0 [pid 5302] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5300] <... futex resumed>) = 0 [pid 5302] mkdir(".", 0777 [pid 5300] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5306] <... mount resumed>) = 0 [pid 5302] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5302] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5306] <... openat resumed>) = 3 [pid 5301] <... openat resumed>) = 6 [pid 5299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5306] chdir("./file0") = 0 [pid 5299] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] ioctl(4, LOOP_CLR_FD [pid 5299] <... futex resumed>) = 0 [pid 5306] <... ioctl resumed>) = 0 [pid 5299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5299] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5306] close(4) = 0 [pid 5299] <... mprotect resumed>) = 0 [pid 5306] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5306] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5302] <... mount resumed>) = 0 [pid 5303] <... futex resumed>) = 0 [ 86.772142][ T5306] REISERFS (device loop4): Using r5 hash to sort names [ 86.798274][ T5302] reiserfs: enabling write barrier flush mode [ 86.807939][ T5302] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5302] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5299] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5303] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5306] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5306] mkdir(".", 0777 [pid 5303] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5306] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5302] <... openat resumed>) = 4 [pid 5299] <... clone3 resumed> => {parent_tid=[5312]}, 88) = 5312 ./strace-static-x86_64: Process 5312 attached [pid 5306] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5302] chdir("." [pid 5301] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] rt_sigprocmask(SIG_SETMASK, [], [pid 5312] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5302] <... chdir resumed>) = 0 [pid 5301] <... futex resumed>) = 0 [pid 5299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5312] <... rseq resumed>) = 0 [pid 5302] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] set_robust_list(0x7fecab0439a0, 24 [pid 5302] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5300] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] <... set_robust_list resumed>) = 0 [pid 5312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5302] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5312] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5302] <... openat resumed>) = 5 [pid 5302] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5312] <... openat resumed>) = 7 [pid 5300] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5302] ftruncate(5, 100663296) = 0 [pid 5312] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5299] <... futex resumed>) = 0 [pid 5299] exit_group(0 [pid 5301] <... futex resumed>) = ? [pid 5299] <... exit_group resumed>) = ? [pid 5301] +++ exited with 0 +++ [ 86.863579][ T5306] reiserfs: enabling write barrier flush mode [pid 5060] <... umount2 resumed>) = 0 [pid 5312] +++ exited with 0 +++ [pid 5299] +++ exited with 0 +++ [pid 5302] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5057] <... umount2 resumed>) = 0 [pid 5059] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./11/file0", [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5300] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] newfstatat(AT_FDCWD, "./11/file0", [pid 5060] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5302] <... futex resumed>) = 0 [pid 5300] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... openat resumed>) = 3 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5302] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5300] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] newfstatat(3, "", [pid 5057] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] getdents64(3, [pid 5057] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... openat resumed>) = 4 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... openat resumed>) = 4 [pid 5060] newfstatat(4, "", [pid 5059] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] newfstatat(4, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] getdents64(4, [pid 5059] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] getdents64(4, [pid 5059] unlink("./11/binderfs" [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] <... unlink resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] getdents64(4, [pid 5311] <... write resumed>) = 4194304 [pid 5306] <... mount resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5311] munmap(0x7feca2c44000, 138412032 [pid 5302] <... openat resumed>) = 6 [pid 5060] getdents64(4, [pid 5057] close(4) = 0 [pid 5311] <... munmap resumed>) = 0 [pid 5306] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5302] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] rmdir("./11/file0" [pid 5311] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5060] close(4 [pid 5311] <... openat resumed>) = 4 [ 86.939431][ T5306] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5302] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5311] ioctl(4, LOOP_SET_FD, 3 [pid 5302] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5300] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] rmdir("./11/file0" [pid 5302] <... openat resumed>) = 7 [pid 5300] <... futex resumed>) = 0 [pid 5300] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5306] <... openat resumed>) = 4 [pid 5302] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] chdir("." [pid 5302] <... futex resumed>) = 1 [pid 5300] <... futex resumed>) = 0 [pid 5306] <... chdir resumed>) = 0 [pid 5302] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5300] exit_group(0 [pid 5306] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5302] <... futex resumed>) = ? [pid 5300] <... exit_group resumed>) = ? [pid 5306] <... futex resumed>) = 1 [pid 5302] +++ exited with 0 +++ [pid 5300] +++ exited with 0 +++ [pid 5306] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5303] <... futex resumed>) = 0 [pid 5303] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] <... futex resumed>) = 0 [pid 5303] <... futex resumed>) = 1 [pid 5060] <... rmdir resumed>) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5311] <... ioctl resumed>) = 0 [pid 5306] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5303] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] getdents64(3, [pid 5057] <... rmdir resumed>) = 0 [pid 5311] close(3 [pid 5306] <... openat resumed>) = 5 [pid 5057] getdents64(3, [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5311] <... close resumed>) = 0 [pid 5306] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] close(3 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5311] mkdir("./file0", 0777 [pid 5062] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... close resumed>) = 0 [pid 5303] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] close(3 [pid 5311] <... mkdir resumed>) = 0 [pid 5306] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./11" [pid 5306] ftruncate(5, 100663296 [pid 5057] <... close resumed>) = 0 [pid 5311] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5303] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... rmdir resumed>) = 0 [pid 5057] rmdir("./11" [pid 5303] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 3 [pid 5060] mkdir("./12", 0777 [pid 5057] <... rmdir resumed>) = 0 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] mkdir("./12", 0777 [pid 5062] getdents64(3, [pid 5306] <... ftruncate resumed>) = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5060] <... mkdir resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5062] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5306] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [ 86.995608][ T5311] loop1: detected capacity change from 0 to 8192 [pid 5062] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5060] <... openat resumed>) = 3 [pid 5057] <... openat resumed>) = 3 [pid 5306] <... futex resumed>) = 1 [pid 5303] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5303] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] unlink("./11/binderfs" [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5306] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5303] <... futex resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5303] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] close(3) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] close(3) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5315 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5314 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5315 attached [pid 5315] set_robust_list(0x55555568a6a0, 24) = 0 [ 87.055252][ T5311] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.074142][ T5311] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 87.083710][ T5311] REISERFS (device loop1): using ordered data mode [ 87.090620][ T5311] reiserfs: using flush barriers ./strace-static-x86_64: Process 5314 attached [pid 5315] chdir("./12" [pid 5059] newfstatat(AT_FDCWD, "./11/file0", [pid 5315] <... chdir resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5315] <... prctl resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5315] setpgid(0, 0 [pid 5059] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5314] set_robust_list(0x55555568a6a0, 24 [pid 5315] <... setpgid resumed>) = 0 [pid 5306] <... openat resumed>) = 6 [pid 5059] <... openat resumed>) = 4 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5059] newfstatat(4, "", [pid 5315] <... openat resumed>) = 3 [pid 5303] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5314] <... set_robust_list resumed>) = 0 [pid 5306] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... futex resumed>) = 0 [pid 5059] getdents64(4, [pid 5314] chdir("./12" [pid 5315] write(3, "1000", 4 [pid 5306] <... futex resumed>) = 0 [pid 5303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5314] <... chdir resumed>) = 0 [pid 5315] <... write resumed>) = 4 [pid 5306] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] getdents64(4, [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] close(3 [pid 5303] <... mmap resumed>) = 0x7fecab023000 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5314] <... prctl resumed>) = 0 [pid 5315] <... close resumed>) = 0 [pid 5303] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5059] close(4 [pid 5314] setpgid(0, 0 [pid 5315] symlink("/dev/binderfs", "./binderfs" [pid 5303] <... mprotect resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5314] <... setpgid resumed>) = 0 [pid 5315] <... symlink resumed>) = 0 [pid 5303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] rmdir("./11/file0" [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5314] <... openat resumed>) = 3 [pid 5315] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5059] rmdir("./11" [pid 5314] write(3, "1000", 4 [pid 5059] <... rmdir resumed>) = 0 [pid 5314] <... write resumed>) = 4 [pid 5315] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5314] close(3 [pid 5315] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5303] <... clone3 resumed> => {parent_tid=[5316]}, 88) = 5316 [pid 5059] mkdir("./12", 0777./strace-static-x86_64: Process 5316 attached [pid 5314] <... close resumed>) = 0 [pid 5315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5311] <... mount resumed>) = 0 [pid 5303] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... mkdir resumed>) = 0 [pid 5316] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5314] symlink("/dev/binderfs", "./binderfs" [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5316] <... rseq resumed>) = 0 [pid 5316] set_robust_list(0x7fecab0439a0, 24 [pid 5314] <... symlink resumed>) = 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5316] <... set_robust_list resumed>) = 0 [pid 5315] <... mmap resumed>) = 0x7fecab044000 [pid 5059] <... openat resumed>) = 3 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], [pid 5303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5315] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5303] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5314] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... mprotect resumed>) = 0 [pid 5303] <... futex resumed>) = 0 [pid 5059] close(3 [pid 5316] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5314] <... futex resumed>) = 0 [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5303] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... close resumed>) = 0 [pid 5316] <... openat resumed>) = 7 [pid 5314] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5315] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5316] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5314] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5311] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5316] <... futex resumed>) = 1 [pid 5314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5317 attached [ 87.103599][ T5311] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 87.124201][ T5311] REISERFS (device loop1): checking transaction log (loop1) [ 87.137543][ T5311] REISERFS (device loop1): Using r5 hash to sort names [pid 5316] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] <... openat resumed>) = 3 [pid 5303] <... futex resumed>) = 0 [pid 5315] <... clone3 resumed> => {parent_tid=[5318]}, 88) = 5318 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] chdir("./file0" [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5317 [pid 5314] <... mmap resumed>) = 0x7fecab044000 [pid 5315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] <... chdir resumed>) = 0 [pid 5314] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5315] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] ioctl(4, LOOP_CLR_FD [pid 5314] <... mprotect resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5311] <... ioctl resumed>) = 0 [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5315] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5311] close(4 [pid 5314] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5311] <... close resumed>) = 0 ./strace-static-x86_64: Process 5319 attached [pid 5317] set_robust_list(0x55555568a6a0, 24 [pid 5311] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] exit_group(0./strace-static-x86_64: Process 5318 attached [pid 5319] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5316] <... futex resumed>) = ? [pid 5314] <... clone3 resumed> => {parent_tid=[5319]}, 88) = 5319 [pid 5311] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5306] <... futex resumed>) = ? [pid 5303] <... exit_group resumed>) = ? [pid 5319] <... rseq resumed>) = 0 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], [pid 5311] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5306] +++ exited with 0 +++ [pid 5319] set_robust_list(0x7fecab0649a0, 24 [pid 5314] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5309] <... futex resumed>) = 0 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5314] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] mkdir(".", 0777 [pid 5309] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5319] rt_sigprocmask(SIG_SETMASK, [], [pid 5314] <... futex resumed>) = 0 [pid 5311] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5319] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5318] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5317] chdir("./12" [pid 5316] +++ exited with 0 +++ [pid 5314] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5311] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5303] +++ exited with 0 +++ [pid 5319] memfd_create("syzkaller", 0 [pid 5317] <... chdir resumed>) = 0 [pid 5318] <... rseq resumed>) = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5318] set_robust_list(0x7fecab0649a0, 24 [pid 5317] <... prctl resumed>) = 0 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] setpgid(0, 0 [pid 5318] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] <... setpgid resumed>) = 0 [pid 5319] <... memfd_create resumed>) = 3 [pid 5319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5318] memfd_create("syzkaller", 0 [pid 5319] <... mmap resumed>) = 0x7feca2c44000 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5318] <... memfd_create resumed>) = 3 [pid 5317] <... openat resumed>) = 3 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5061] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5318] <... mmap resumed>) = 0x7feca2c44000 [pid 5317] write(3, "1000", 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5317] <... write resumed>) = 4 [pid 5061] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5317] close(3 [pid 5061] <... openat resumed>) = 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./12/binderfs" [pid 5317] <... close resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5061] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5317] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5317] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5317] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5320 attached => {parent_tid=[5320]}, 88) = 5320 [pid 5320] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] <... rseq resumed>) = 0 [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5320] set_robust_list(0x7fecab0649a0, 24 [pid 5317] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5317] <... futex resumed>) = 0 [pid 5320] rt_sigprocmask(SIG_SETMASK, [], [pid 5317] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5320] memfd_create("syzkaller", 0) = 3 [ 87.201618][ T5311] reiserfs: enabling write barrier flush mode [ 87.240644][ T5311] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5311] <... mount resumed>) = 0 [pid 5319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5311] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5311] chdir("." [pid 5062] <... umount2 resumed>) = 0 [pid 5311] <... chdir resumed>) = 0 [pid 5062] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5311] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5311] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./11/file0", [pid 5309] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5311] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5309] <... futex resumed>) = 0 [pid 5318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5311] <... openat resumed>) = 5 [pid 5309] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5309] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5311] ftruncate(5, 100663296) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./11/file0") = 0 [pid 5320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5311] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(3, [pid 5311] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5311] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5309] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5309] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./11") = 0 [pid 5062] mkdir("./12", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5311] <... openat resumed>) = 6 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] <... umount2 resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5321 [pid 5061] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5321 attached [pid 5311] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(AT_FDCWD, "./12/file0", [pid 5321] set_robust_list(0x55555568a6a0, 24 [pid 5311] <... futex resumed>) = 1 [pid 5309] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5311] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5309] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5321] chdir("./12" [pid 5311] <... openat resumed>) = 7 [pid 5309] <... futex resumed>) = 0 [pid 5311] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5309] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5311] <... futex resumed>) = 0 [pid 5309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... chdir resumed>) = 0 [pid 5311] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5309] exit_group(0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5311] <... futex resumed>) = ? [pid 5309] <... exit_group resumed>) = ? [pid 5061] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5321] <... prctl resumed>) = 0 [pid 5311] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ [pid 5321] setpgid(0, 0 [pid 5061] <... openat resumed>) = 4 [pid 5321] <... setpgid resumed>) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5061] newfstatat(4, "", [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5321] <... openat resumed>) = 3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... restart_syscall resumed>) = 0 [pid 5061] getdents64(4, [pid 5321] write(3, "1000", 4) = 4 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5321] close(3 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] <... close resumed>) = 0 [pid 5061] getdents64(4, [pid 5058] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5321] symlink("/dev/binderfs", "./binderfs" [pid 5058] newfstatat(3, "", [pid 5321] <... symlink resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] close(4 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5321] <... futex resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./12/file0" [pid 5058] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... rmdir resumed>) = 0 [pid 5321] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5321] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] getdents64(3, [pid 5321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] close(3 [pid 5058] unlink("./12/binderfs" [pid 5321] <... mmap resumed>) = 0x7fecab044000 [pid 5061] <... close resumed>) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5058] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5321] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5321] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] rmdir("./12" [pid 5321] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5061] mkdir("./13", 0777) = 0 [pid 5318] <... write resumed>) = 4194304 [pid 5321] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5318] munmap(0x7feca2c44000, 138412032 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5321] <... clone3 resumed> => {parent_tid=[5322]}, 88) = 5322 [pid 5321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5321] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5322 attached ) = 0 [pid 5322] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5322] <... rseq resumed>) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5322] set_robust_list(0x7fecab0649a0, 24 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5322] <... set_robust_list resumed>) = 0 [pid 5319] <... write resumed>) = 4194304 [pid 5318] <... munmap resumed>) = 0 [pid 5322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5061] close(3 [pid 5322] memfd_create("syzkaller", 0 [pid 5319] munmap(0x7feca2c44000, 138412032 [pid 5318] <... openat resumed>) = 4 [pid 5061] <... close resumed>) = 0 [pid 5318] ioctl(4, LOOP_SET_FD, 3 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5322] <... memfd_create resumed>) = 3 [pid 5319] <... munmap resumed>) = 0 [pid 5322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5319] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 5323 attached ) = 4 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5323 [pid 5318] <... ioctl resumed>) = 0 [pid 5318] close(3) = 0 [pid 5318] mkdir("./file0", 0777 [pid 5323] set_robust_list(0x55555568a6a0, 24 [pid 5319] ioctl(4, LOOP_SET_FD, 3 [pid 5318] <... mkdir resumed>) = 0 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5318] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5323] chdir("./13" [pid 5320] <... write resumed>) = 4194304 [pid 5320] munmap(0x7feca2c44000, 138412032 [pid 5323] <... chdir resumed>) = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 87.475267][ T5318] loop0: detected capacity change from 0 to 8192 [ 87.498867][ T5319] loop3: detected capacity change from 0 to 8192 [pid 5323] setpgid(0, 0) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... munmap resumed>) = 0 [pid 5323] <... openat resumed>) = 3 [pid 5323] write(3, "1000", 4) = 4 [pid 5323] close(3) = 0 [pid 5323] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5323] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5319] <... ioctl resumed>) = 0 [pid 5323] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5323] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5319] close(3 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5319] <... close resumed>) = 0 [pid 5319] mkdir("./file0", 0777) = 0 [pid 5323] <... mmap resumed>) = 0x7fecab044000 [pid 5319] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5323] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [ 87.523760][ T5318] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.555106][ T5319] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5320] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5323] <... mprotect resumed>) = 0 [pid 5320] <... openat resumed>) = 4 [pid 5323] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5323] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5320] ioctl(4, LOOP_SET_FD, 3 [pid 5323] <... clone3 resumed> => {parent_tid=[5326]}, 88) = 5326 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5323] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5326 attached [pid 5326] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5326] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5320] <... ioctl resumed>) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] close(3 [pid 5326] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5320] <... close resumed>) = 0 [pid 5326] memfd_create("syzkaller", 0 [pid 5320] mkdir("./file0", 0777) = 0 [pid 5326] <... memfd_create resumed>) = 3 [pid 5326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5320] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5326] <... mmap resumed>) = 0x7feca2c44000 [ 87.557454][ T5318] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 87.568544][ T5320] loop2: detected capacity change from 0 to 8192 [ 87.578786][ T5318] REISERFS (device loop0): using ordered data mode [ 87.592448][ T5318] reiserfs: using flush barriers [ 87.613679][ T5320] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.626773][ T5319] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 87.637725][ T5319] REISERFS (device loop3): using ordered data mode [ 87.646716][ T5320] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 87.647122][ T5318] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5058] <... umount2 resumed>) = 0 [pid 5058] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5058] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4) = 0 [pid 5058] rmdir("./12/file0" [pid 5322] <... write resumed>) = 4194304 [pid 5058] <... rmdir resumed>) = 0 [ 87.656104][ T5320] REISERFS (device loop2): using ordered data mode [ 87.678678][ T5320] reiserfs: using flush barriers [ 87.702594][ T5320] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 87.720173][ T5319] reiserfs: using flush barriers [pid 5326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5322] munmap(0x7feca2c44000, 138412032 [pid 5058] getdents64(3, [pid 5322] <... munmap resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5058] rmdir("./12") = 0 [pid 5058] mkdir("./13", 0777) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5058] close(3) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5320] <... mount resumed>) = 0 [pid 5318] <... mount resumed>) = 0 [pid 5322] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5320] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5320] <... openat resumed>) = 3 [pid 5322] <... openat resumed>) = 4 [pid 5320] chdir("./file0" [pid 5318] <... openat resumed>) = 3 [pid 5318] chdir("./file0" [pid 5320] <... chdir resumed>) = 0 [pid 5318] <... chdir resumed>) = 0 [pid 5318] ioctl(4, LOOP_CLR_FD [pid 5320] ioctl(4, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 5328 attached [pid 5320] close(4 [pid 5318] <... ioctl resumed>) = 0 [ 87.724493][ T5318] REISERFS (device loop0): checking transaction log (loop0) [ 87.733553][ T5320] REISERFS (device loop2): checking transaction log (loop2) [ 87.734160][ T5318] REISERFS (device loop0): Using r5 hash to sort names [ 87.749069][ T5319] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 87.766830][ T5320] REISERFS (device loop2): Using r5 hash to sort names [pid 5318] close(4 [pid 5320] <... close resumed>) = 0 [pid 5328] set_robust_list(0x55555568a6a0, 24 [pid 5322] ioctl(4, LOOP_SET_FD, 3 [pid 5318] <... close resumed>) = 0 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5328 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5320] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... mount resumed>) = 0 [pid 5318] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = 1 [pid 5319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5317] <... futex resumed>) = 0 [pid 5318] <... futex resumed>) = 1 [pid 5328] chdir("./13" [pid 5317] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] mkdir(".", 0777 [pid 5317] <... futex resumed>) = 0 [pid 5320] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5317] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5328] <... chdir resumed>) = 0 [pid 5320] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5319] <... openat resumed>) = 3 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] chdir("./file0" [pid 5328] <... prctl resumed>) = 0 [pid 5328] setpgid(0, 0 [pid 5319] <... chdir resumed>) = 0 [pid 5315] <... futex resumed>) = 0 [pid 5315] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5315] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5318] <... futex resumed>) = 0 [pid 5318] mkdir(".", 0777 [pid 5319] ioctl(4, LOOP_CLR_FD [pid 5318] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5318] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5319] <... ioctl resumed>) = 0 [ 87.780325][ T5319] REISERFS (device loop3): checking transaction log (loop3) [ 87.791456][ T5322] loop5: detected capacity change from 0 to 8192 [ 87.791465][ T5319] REISERFS (device loop3): Using r5 hash to sort names [ 87.815877][ T5320] reiserfs: enabling write barrier flush mode [pid 5328] <... setpgid resumed>) = 0 [pid 5319] close(4 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5319] <... close resumed>) = 0 [pid 5322] <... ioctl resumed>) = 0 [pid 5328] <... openat resumed>) = 3 [pid 5319] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] write(3, "1000", 4 [pid 5319] <... futex resumed>) = 1 [pid 5319] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] <... write resumed>) = 4 [pid 5314] <... futex resumed>) = 0 [pid 5314] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] close(3 [pid 5319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5319] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5314] <... futex resumed>) = 0 [pid 5314] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5319] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5322] close(3) = 0 [ 87.829986][ T5318] reiserfs: enabling write barrier flush mode [ 87.844244][ T5320] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 87.865897][ T5319] reiserfs: enabling write barrier flush mode [pid 5322] mkdir("./file0", 0777 [pid 5328] <... close resumed>) = 0 [pid 5322] <... mkdir resumed>) = 0 [pid 5322] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5326] <... write resumed>) = 4194304 [pid 5320] <... mount resumed>) = 0 [pid 5328] symlink("/dev/binderfs", "./binderfs" [pid 5320] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5326] munmap(0x7feca2c44000, 138412032 [pid 5320] <... openat resumed>) = 4 [pid 5328] <... symlink resumed>) = 0 [pid 5320] chdir("." [pid 5326] <... munmap resumed>) = 0 [pid 5320] <... chdir resumed>) = 0 [pid 5320] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5320] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5317] <... futex resumed>) = 0 [pid 5326] <... openat resumed>) = 4 [pid 5326] ioctl(4, LOOP_SET_FD, 3 [pid 5317] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... futex resumed>) = 0 [pid 5320] <... futex resumed>) = 0 [pid 5320] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5320] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5320] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5320] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5317] <... futex resumed>) = 0 [pid 5320] ftruncate(5, 100663296 [pid 5317] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... mount resumed>) = 0 [pid 5318] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [ 87.875059][ T5318] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 87.885052][ T5322] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.890493][ T5326] loop4: detected capacity change from 0 to 8192 [ 87.915866][ T5322] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5318] chdir("." [pid 5328] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5319] <... mount resumed>) = 0 [pid 5328] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5319] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5318] <... chdir resumed>) = 0 [pid 5318] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5319] <... openat resumed>) = 4 [pid 5315] <... futex resumed>) = 0 [pid 5315] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] chdir("." [pid 5328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5315] <... futex resumed>) = 0 [pid 5315] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5318] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... futex resumed>) = 0 [pid 5315] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5318] <... futex resumed>) = 1 [pid 5318] ftruncate(5, 100663296 [pid 5328] <... mmap resumed>) = 0x7fecab044000 [pid 5328] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5319] <... chdir resumed>) = 0 [pid 5328] <... mprotect resumed>) = 0 [pid 5319] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5319] <... futex resumed>) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5314] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5319] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5319] <... futex resumed>) = 1 [pid 5314] <... futex resumed>) = 0 [pid 5314] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] ftruncate(5, 100663296 [pid 5328] <... clone3 resumed> => {parent_tid=[5330]}, 88) = 5330 [pid 5317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5317] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5317] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5317] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5317] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0}./strace-static-x86_64: Process 5330 attached [pid 5330] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5328] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] <... rseq resumed>) = 0 [ 87.925050][ T5319] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 87.938019][ T5322] REISERFS (device loop5): using ordered data mode [ 87.945007][ T5322] reiserfs: using flush barriers ./strace-static-x86_64: Process 5331 attached [pid 5330] set_robust_list(0x7fecab0649a0, 24 [pid 5328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5326] <... ioctl resumed>) = 0 [pid 5320] <... ftruncate resumed>) = 0 [pid 5319] <... ftruncate resumed>) = 0 [pid 5317] <... clone3 resumed> => {parent_tid=[5331]}, 88) = 5331 [pid 5331] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5326] close(3 [pid 5330] rt_sigprocmask(SIG_SETMASK, [], [pid 5326] <... close resumed>) = 0 [pid 5330] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5328] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] mkdir("./file0", 0777) = 0 [pid 5331] <... rseq resumed>) = 0 [pid 5330] memfd_create("syzkaller", 0 [pid 5328] <... futex resumed>) = 0 [pid 5326] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5317] rt_sigprocmask(SIG_SETMASK, [], [pid 5320] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5317] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5317] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5317] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5331] set_robust_list(0x7fecab0439a0, 24 [pid 5328] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5320] <... futex resumed>) = 0 [pid 5320] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5331] <... set_robust_list resumed>) = 0 [pid 5330] <... memfd_create resumed>) = 3 [pid 5315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5315] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5331] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5315] <... mmap resumed>) = 0x7fecab023000 [pid 5315] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} => {parent_tid=[5333]}, 88) = 5333 [pid 5315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5315] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5314] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5314] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} => {parent_tid=[5334]}, 88) = 5334 [pid 5314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5314] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5314] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5319] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5319] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5330] <... mmap resumed>) = 0x7feca2c44000 [ 87.969422][ T5322] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 87.991466][ T5322] REISERFS (device loop5): checking transaction log (loop5) [ 88.006614][ T5326] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5318] <... ftruncate resumed>) = 0 [pid 5318] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5318] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5334 attached ./strace-static-x86_64: Process 5333 attached [pid 5334] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5333] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5334] <... rseq resumed>) = 0 [pid 5333] <... rseq resumed>) = 0 [pid 5331] <... openat resumed>) = 6 [pid 5322] <... mount resumed>) = 0 [pid 5317] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5334] set_robust_list(0x7fecab0439a0, 24 [pid 5333] set_robust_list(0x7fecab0439a0, 24 [pid 5331] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5317] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5331] <... futex resumed>) = 0 [pid 5322] <... openat resumed>) = 3 [pid 5320] <... futex resumed>) = 0 [pid 5317] <... futex resumed>) = 1 [pid 5334] rt_sigprocmask(SIG_SETMASK, [], [pid 5333] rt_sigprocmask(SIG_SETMASK, [], [pid 5331] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5320] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5317] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5334] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5333] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5315] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5318] <... futex resumed>) = 0 [pid 5315] <... futex resumed>) = 1 [pid 5318] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5315] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5314] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5314] <... futex resumed>) = 1 [pid 5319] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5314] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... openat resumed>) = 7 [ 88.026296][ T5326] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 88.034686][ T5322] REISERFS (device loop5): Using r5 hash to sort names [ 88.039057][ T5326] REISERFS (device loop4): using ordered data mode [ 88.050924][ T5326] reiserfs: using flush barriers [pid 5320] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5317] <... futex resumed>) = 0 [pid 5322] chdir("./file0") = 0 [pid 5333] <... openat resumed>) = 6 [pid 5318] <... openat resumed>) = 7 [pid 5318] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5315] <... futex resumed>) = 0 [pid 5322] ioctl(4, LOOP_CLR_FD [pid 5333] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... ioctl resumed>) = 0 [pid 5333] <... futex resumed>) = 0 [pid 5318] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5334] <... openat resumed>) = 6 [pid 5333] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] close(4 [pid 5320] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] exit_group(0) = ? [pid 5320] <... futex resumed>) = ? [pid 5331] <... futex resumed>) = ? [pid 5334] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] +++ exited with 0 +++ [pid 5322] <... close resumed>) = 0 [pid 5320] +++ exited with 0 +++ [pid 5315] exit_group(0 [pid 5334] <... futex resumed>) = 0 [pid 5333] <... futex resumed>) = ? [pid 5322] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5315] <... exit_group resumed>) = ? [pid 5334] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5333] +++ exited with 0 +++ [pid 5322] <... futex resumed>) = 1 [pid 5322] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] <... futex resumed>) = 0 [pid 5318] <... futex resumed>) = ? [pid 5318] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5321] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5321] <... futex resumed>) = 1 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5322] <... futex resumed>) = 0 [pid 5319] <... openat resumed>) = 7 [pid 5319] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5319] <... futex resumed>) = 1 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5319] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5317] +++ exited with 0 +++ [pid 5057] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5057] <... openat resumed>) = 3 [pid 5057] newfstatat(3, "", [pid 5322] mkdir(".", 0777 [pid 5314] <... futex resumed>) = 0 [ 88.074515][ T5326] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 88.095702][ T5326] REISERFS (device loop4): checking transaction log (loop4) [pid 5322] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5314] exit_group(0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5334] <... futex resumed>) = ? [pid 5322] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5314] <... exit_group resumed>) = ? [pid 5334] +++ exited with 0 +++ [pid 5319] <... futex resumed>) = ? [pid 5057] getdents64(3, [pid 5319] +++ exited with 0 +++ [pid 5314] +++ exited with 0 +++ [pid 5059] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5059] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... openat resumed>) = 3 [pid 5059] newfstatat(3, "", [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] getdents64(3, [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] unlink("./12/binderfs" [pid 5060] newfstatat(3, "", [pid 5059] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... unlink resumed>) = 0 [pid 5060] getdents64(3, [pid 5059] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] unlink("./12/binderfs" [pid 5060] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5059] <... unlink resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] unlink("./12/binderfs") = 0 [ 88.120377][ T5322] reiserfs: enabling write barrier flush mode [ 88.133195][ T5322] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 88.136377][ T5326] REISERFS (device loop4): Using r5 hash to sort names [pid 5060] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5330] <... write resumed>) = 4194304 [pid 5322] <... mount resumed>) = 0 [pid 5330] munmap(0x7feca2c44000, 138412032) = 0 [pid 5326] <... mount resumed>) = 0 [pid 5322] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5330] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5326] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5322] <... openat resumed>) = 4 [pid 5330] <... openat resumed>) = 4 [pid 5326] <... openat resumed>) = 3 [pid 5322] chdir("." [pid 5330] ioctl(4, LOOP_SET_FD, 3 [pid 5326] chdir("./file0" [pid 5322] <... chdir resumed>) = 0 [pid 5322] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... chdir resumed>) = 0 [pid 5322] <... futex resumed>) = 1 [pid 5322] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] <... futex resumed>) = 0 [pid 5321] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] ioctl(4, LOOP_CLR_FD [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5322] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5326] <... ioctl resumed>) = 0 [pid 5326] close(4 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] <... openat resumed>) = 5 [pid 5326] <... close resumed>) = 0 [pid 5326] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 1 [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5326] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5322] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5321] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = 0 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5323] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] ftruncate(5, 100663296 [pid 5326] <... futex resumed>) = 0 [pid 5323] <... futex resumed>) = 1 [pid 5326] mkdir(".", 0777 [pid 5322] <... ftruncate resumed>) = 0 [pid 5326] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5323] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5326] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5330] <... ioctl resumed>) = 0 [pid 5330] close(3) = 0 [ 88.209284][ T5330] loop1: detected capacity change from 0 to 8192 [ 88.236982][ T5326] reiserfs: enabling write barrier flush mode [pid 5330] mkdir("./file0", 0777 [pid 5322] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... mkdir resumed>) = 0 [pid 5321] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5321] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5322] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 5322] <... openat resumed>) = 6 [ 88.268669][ T5326] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5326] <... mount resumed>) = 0 [pid 5322] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5322] <... futex resumed>) = 1 [pid 5321] <... futex resumed>) = 0 [pid 5326] <... openat resumed>) = 4 [pid 5322] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5321] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] chdir("." [pid 5322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] <... chdir resumed>) = 0 [pid 5322] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5326] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5322] <... openat resumed>) = 7 [pid 5321] <... futex resumed>) = 0 [pid 5326] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 0 [pid 5322] <... futex resumed>) = 0 [ 88.306620][ T5330] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5322] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5326] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5321] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... umount2 resumed>) = 0 [pid 5321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5326] <... openat resumed>) = 5 [pid 5321] exit_group(0) = ? [pid 5326] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5322] <... futex resumed>) = ? [pid 5060] <... umount2 resumed>) = 0 [pid 5057] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5326] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5322] +++ exited with 0 +++ [pid 5321] +++ exited with 0 +++ [pid 5060] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5326] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./12/file0", [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./12/file0", [pid 5326] ftruncate(5, 100663296 [pid 5323] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 88.371312][ T5330] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 88.383821][ T5330] REISERFS (device loop1): using ordered data mode [ 88.392011][ T5330] reiserfs: using flush barriers [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5060] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5326] <... ftruncate resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5059] <... umount2 resumed>) = 0 [pid 5057] <... openat resumed>) = 4 [pid 5326] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(4, "", [pid 5059] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] newfstatat(4, "", [pid 5326] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5326] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5323] <... futex resumed>) = 0 [pid 5060] getdents64(4, [pid 5059] newfstatat(AT_FDCWD, "./12/file0", [pid 5057] getdents64(4, [pid 5326] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5323] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(4, [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] getdents64(4, [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] close(4 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] close(4 [pid 5060] <... close resumed>) = 0 [pid 5059] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] rmdir("./12/file0" [pid 5057] <... close resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] rmdir("./12/file0" [pid 5062] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5062] unlink("./12/binderfs") = 0 [pid 5060] getdents64(3, [pid 5059] <... openat resumed>) = 4 [pid 5057] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] newfstatat(4, "", [pid 5057] getdents64(3, [pid 5060] close(3 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... close resumed>) = 0 [pid 5057] close(3 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] rmdir("./12" [pid 5057] <... close resumed>) = 0 [pid 5059] getdents64(4, [pid 5057] rmdir("./12" [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5326] <... openat resumed>) = 6 [pid 5062] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... rmdir resumed>) = 0 [ 88.409256][ T5330] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5059] getdents64(4, [pid 5057] <... rmdir resumed>) = 0 [pid 5326] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... mount resumed>) = 0 [pid 5060] mkdir("./13", 0777 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] mkdir("./13", 0777 [pid 5330] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5060] <... mkdir resumed>) = 0 [pid 5059] close(4) = 0 [pid 5330] chdir("./file0" [pid 5059] rmdir("./12/file0" [pid 5330] <... chdir resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5330] ioctl(4, LOOP_CLR_FD) = 0 [pid 5059] getdents64(3, [pid 5330] close(4 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5330] <... close resumed>) = 0 [pid 5059] close(3 [pid 5330] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... close resumed>) = 0 [pid 5330] <... futex resumed>) = 1 [pid 5059] rmdir("./12" [pid 5330] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] <... futex resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5328] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5326] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5330] <... futex resumed>) = 0 [pid 5328] <... futex resumed>) = 1 [pid 5323] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] mkdir("./13", 0777 [pid 5330] mkdir(".", 0777 [pid 5328] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5323] <... futex resumed>) = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5330] <... mkdir resumed>) = -1 EEXIST (File exists) [ 88.445266][ T5330] REISERFS (device loop1): checking transaction log (loop1) [ 88.454153][ T5330] REISERFS (device loop1): Using r5 hash to sort names [pid 5323] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5330] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5326] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5060] <... openat resumed>) = 3 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5326] <... openat resumed>) = 7 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5059] <... openat resumed>) = 3 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5057] <... mkdir resumed>) = 0 [pid 5326] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] close(3 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5326] <... futex resumed>) = 1 [pid 5323] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5059] close(3 [pid 5057] <... openat resumed>) = 3 [pid 5326] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5323] exit_group(0 [pid 5326] <... futex resumed>) = ? [pid 5323] <... exit_group resumed>) = ? [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... close resumed>) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5326] +++ exited with 0 +++ [pid 5323] +++ exited with 0 +++ [pid 5062] <... umount2 resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5057] close(3./strace-static-x86_64: Process 5337 attached [pid 5061] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5336 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5337 [pid 5337] set_robust_list(0x55555568a6a0, 24 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... close resumed>) = 0 ./strace-static-x86_64: Process 5336 attached [pid 5337] <... set_robust_list resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] chdir("./13" [pid 5061] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5338 attached [pid 5337] <... chdir resumed>) = 0 [pid 5061] newfstatat(3, "", [pid 5338] set_robust_list(0x55555568a6a0, 24 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5338 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] <... prctl resumed>) = 0 [pid 5062] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(3, [pid 5336] set_robust_list(0x55555568a6a0, 24 [pid 5338] chdir("./13" [pid 5337] setpgid(0, 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5338] <... chdir resumed>) = 0 [pid 5337] <... setpgid resumed>) = 0 [pid 5336] <... set_robust_list resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./12/file0", [pid 5061] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] chdir("./13" [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5338] <... prctl resumed>) = 0 [pid 5337] <... openat resumed>) = 3 [pid 5336] <... chdir resumed>) = 0 [pid 5062] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5338] setpgid(0, 0 [pid 5061] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5338] <... setpgid resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] <... prctl resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5336] setpgid(0, 0 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5336] <... setpgid resumed>) = 0 [pid 5062] getdents64(4, [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] unlink("./13/binderfs" [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5337] write(3, "1000", 4 [pid 5062] getdents64(4, [pid 5061] <... unlink resumed>) = 0 [pid 5337] <... write resumed>) = 4 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] <... openat resumed>) = 3 [pid 5337] close(3 [pid 5336] write(3, "1000", 4 [pid 5062] close(4 [pid 5337] <... close resumed>) = 0 [pid 5336] <... write resumed>) = 4 [pid 5062] <... close resumed>) = 0 [pid 5337] symlink("/dev/binderfs", "./binderfs" [pid 5336] close(3 [pid 5062] rmdir("./12/file0" [pid 5338] <... openat resumed>) = 3 [pid 5337] <... symlink resumed>) = 0 [pid 5336] <... close resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5338] write(3, "1000", 4 [pid 5337] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5338] <... write resumed>) = 4 [pid 5337] <... futex resumed>) = 0 [pid 5338] close(3 [pid 5337] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5338] <... close resumed>) = 0 [pid 5337] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5338] symlink("/dev/binderfs", "./binderfs" [pid 5337] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5338] <... symlink resumed>) = 0 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] symlink("/dev/binderfs", "./binderfs" [pid 5062] getdents64(3, [pid 5337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5337] <... mmap resumed>) = 0x7fecab044000 [ 88.492622][ T5330] reiserfs: enabling write barrier flush mode [ 88.531857][ T5330] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5336] <... symlink resumed>) = 0 [pid 5062] close(3 [pid 5337] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5336] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5338] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... mprotect resumed>) = 0 [pid 5336] <... futex resumed>) = 0 [pid 5062] rmdir("./12" [pid 5338] <... futex resumed>) = 0 [pid 5337] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5338] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5337] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5338] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5337] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 5339 attached NULL, 8) = 0 [pid 5337] <... clone3 resumed> => {parent_tid=[5339]}, 88) = 5339 [pid 5336] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5062] <... rmdir resumed>) = 0 [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5337] rt_sigprocmask(SIG_SETMASK, [], [pid 5336] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5062] mkdir("./13", 0777 [pid 5339] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5338] <... mmap resumed>) = 0x7fecab044000 [pid 5337] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5336] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5330] <... mount resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5339] <... rseq resumed>) = 0 [pid 5338] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5337] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5339] set_robust_list(0x7fecab0649a0, 24 [pid 5338] <... mprotect resumed>) = 0 [pid 5337] <... futex resumed>) = 0 [pid 5336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... openat resumed>) = 3 [pid 5339] <... set_robust_list resumed>) = 0 [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5337] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5336] <... mmap resumed>) = 0x7fecab044000 [pid 5330] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5339] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5336] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5330] <... openat resumed>) = 4 [pid 5339] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5336] <... mprotect resumed>) = 0 [pid 5330] chdir("." [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5340 attached [pid 5339] memfd_create("syzkaller", 0 [pid 5336] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5330] <... chdir resumed>) = 0 [pid 5062] close(3 [pid 5340] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5339] <... memfd_create resumed>) = 3 [pid 5338] <... clone3 resumed> => {parent_tid=[5340]}, 88) = 5340 [pid 5336] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5330] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5340] <... rseq resumed>) = 0 [pid 5339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5336] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5340] set_robust_list(0x7fecab0649a0, 24 [pid 5339] <... mmap resumed>) = 0x7feca2c44000 [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... set_robust_list resumed>) = 0 [pid 5338] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5328] <... futex resumed>) = 0 [pid 5340] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... futex resumed>) = 0 [pid 5330] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5328] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5330] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5342 attached [pid 5340] memfd_create("syzkaller", 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5341 [pid 5336] <... clone3 resumed> => {parent_tid=[5342]}, 88) = 5342 ./strace-static-x86_64: Process 5341 attached [pid 5342] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5340] <... memfd_create resumed>) = 3 [pid 5336] rt_sigprocmask(SIG_SETMASK, [], [pid 5342] <... rseq resumed>) = 0 [pid 5341] set_robust_list(0x55555568a6a0, 24 [pid 5340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5336] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] set_robust_list(0x7fecab0649a0, 24 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5340] <... mmap resumed>) = 0x7feca2c44000 [pid 5336] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5330] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] chdir("./13" [pid 5336] <... futex resumed>) = 0 [pid 5330] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5342] rt_sigprocmask(SIG_SETMASK, [], [pid 5330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5330] ftruncate(5, 100663296 [pid 5342] memfd_create("syzkaller", 0 [pid 5341] <... chdir resumed>) = 0 [pid 5342] <... memfd_create resumed>) = 3 [pid 5342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5341] setpgid(0, 0) = 0 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5330] <... ftruncate resumed>) = 0 [pid 5341] write(3, "1000", 4) = 4 [pid 5330] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5061] <... umount2 resumed>) = 0 [pid 5341] close(3) = 0 [pid 5330] <... futex resumed>) = 0 [pid 5328] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5341] symlink("/dev/binderfs", "./binderfs" [pid 5330] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5328] <... futex resumed>) = 0 [pid 5341] <... symlink resumed>) = 0 [pid 5330] <... openat resumed>) = 6 [pid 5328] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5341] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5341] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5061] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5061] newfstatat(AT_FDCWD, "./13/file0", [pid 5330] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5330] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5061] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5328] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5330] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5328] <... futex resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5341] <... mprotect resumed>) = 0 [pid 5330] <... openat resumed>) = 7 [pid 5328] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5330] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... openat resumed>) = 4 [pid 5341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5330] <... futex resumed>) = 1 [pid 5328] <... futex resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 5341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5330] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5328] exit_group(0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5343 attached [pid 5330] <... futex resumed>) = ? [pid 5328] <... exit_group resumed>) = ? [pid 5061] getdents64(4, [pid 5343] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5341] <... clone3 resumed> => {parent_tid=[5343]}, 88) = 5343 [pid 5330] +++ exited with 0 +++ [pid 5328] +++ exited with 0 +++ [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5343] <... rseq resumed>) = 0 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] getdents64(4, [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5343] set_robust_list(0x7fecab0649a0, 24 [pid 5341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4 [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5343] <... set_robust_list resumed>) = 0 [pid 5341] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./13/file0" [pid 5058] <... restart_syscall resumed>) = 0 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], [pid 5341] <... futex resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5341] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] getdents64(3, [pid 5343] memfd_create("syzkaller", 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5343] <... memfd_create resumed>) = 3 [pid 5061] close(3 [pid 5058] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5343] <... mmap resumed>) = 0x7feca2c44000 [pid 5061] <... close resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] rmdir("./13" [pid 5058] <... openat resumed>) = 3 [pid 5061] <... rmdir resumed>) = 0 [pid 5058] newfstatat(3, "", [pid 5061] mkdir("./14", 0777 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, [pid 5061] <... mkdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5058] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... openat resumed>) = 3 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5058] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5339] <... write resumed>) = 4194304 [pid 5339] munmap(0x7feca2c44000, 138412032 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] close(3 [pid 5058] unlink("./13/binderfs" [pid 5061] <... close resumed>) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5344 ./strace-static-x86_64: Process 5344 attached [pid 5339] <... munmap resumed>) = 0 [pid 5344] set_robust_list(0x55555568a6a0, 24 [pid 5339] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5344] <... set_robust_list resumed>) = 0 [pid 5339] <... openat resumed>) = 4 [pid 5344] chdir("./14" [pid 5339] ioctl(4, LOOP_SET_FD, 3 [pid 5343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5344] <... chdir resumed>) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5339] <... ioctl resumed>) = 0 [pid 5344] <... prctl resumed>) = 0 [pid 5344] setpgid(0, 0 [pid 5339] close(3 [pid 5344] <... setpgid resumed>) = 0 [pid 5339] <... close resumed>) = 0 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5339] mkdir("./file0", 0777 [pid 5344] <... openat resumed>) = 3 [pid 5339] <... mkdir resumed>) = 0 [pid 5344] write(3, "1000", 4 [pid 5339] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5344] <... write resumed>) = 4 [pid 5344] close(3) = 0 [pid 5344] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5344] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5344] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [ 88.819731][ T5339] loop2: detected capacity change from 0 to 8192 [ 88.848819][ T5339] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5342] <... write resumed>) = 4194304 [pid 5344] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5340] <... write resumed>) = 4194304 [pid 5344] <... mprotect resumed>) = 0 [pid 5344] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5340] munmap(0x7feca2c44000, 138412032 [pid 5344] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5344] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5346 attached => {parent_tid=[5346]}, 88) = 5346 [pid 5346] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5344] rt_sigprocmask(SIG_SETMASK, [], [pid 5346] <... rseq resumed>) = 0 [pid 5344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5346] set_robust_list(0x7fecab0649a0, 24 [pid 5344] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5344] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5346] memfd_create("syzkaller", 0 [pid 5340] <... munmap resumed>) = 0 [pid 5342] munmap(0x7feca2c44000, 138412032 [pid 5346] <... memfd_create resumed>) = 3 [pid 5346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5340] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5342] <... munmap resumed>) = 0 [pid 5340] <... openat resumed>) = 4 [pid 5340] ioctl(4, LOOP_SET_FD, 3 [pid 5346] <... mmap resumed>) = 0x7feca2c44000 [pid 5342] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5340] <... ioctl resumed>) = 0 [pid 5058] <... umount2 resumed>) = 0 [pid 5342] <... openat resumed>) = 4 [pid 5343] <... write resumed>) = 4194304 [pid 5342] ioctl(4, LOOP_SET_FD, 3 [pid 5058] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5343] munmap(0x7feca2c44000, 138412032 [pid 5340] close(3 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5343] <... munmap resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] <... close resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5343] openat(AT_FDCWD, "/dev/loop5", O_RDWR [ 88.919504][ T5339] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 88.937482][ T5340] loop0: detected capacity change from 0 to 8192 [ 88.944600][ T5339] REISERFS (device loop2): using ordered data mode [ 88.954315][ T5342] loop3: detected capacity change from 0 to 8192 [pid 5340] mkdir("./file0", 0777 [pid 5058] <... openat resumed>) = 4 [pid 5343] <... openat resumed>) = 4 [pid 5340] <... mkdir resumed>) = 0 [pid 5343] ioctl(4, LOOP_SET_FD, 3 [pid 5340] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5058] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5343] <... ioctl resumed>) = 0 [pid 5342] <... ioctl resumed>) = 0 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4) = 0 [pid 5058] rmdir("./13/file0") = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5058] rmdir("./13") = 0 [pid 5058] mkdir("./14", 0777) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5058] close(3) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5348 [pid 5343] close(3./strace-static-x86_64: Process 5348 attached [pid 5348] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5348] chdir("./14") = 0 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5348] setpgid(0, 0) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5343] <... close resumed>) = 0 [pid 5348] write(3, "1000", 4) = 4 [pid 5343] mkdir("./file0", 0777 [pid 5342] close(3 [pid 5348] close(3) = 0 [pid 5342] <... close resumed>) = 0 [pid 5348] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5343] <... mkdir resumed>) = 0 [pid 5342] mkdir("./file0", 0777 [pid 5348] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5342] <... mkdir resumed>) = 0 [pid 5348] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, NULL, 8) = 0 [pid 5348] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 88.967462][ T5339] reiserfs: using flush barriers [ 88.977873][ T5343] loop5: detected capacity change from 0 to 8192 [ 88.978335][ T5340] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 88.994740][ T5339] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5343] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5342] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5348] <... mmap resumed>) = 0x7fecab044000 [pid 5348] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5348] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5348] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5351]}, 88) = 5351 [pid 5348] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5351 attached NULL, 8) = 0 [pid 5351] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5348] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... rseq resumed>) = 0 [pid 5348] <... futex resumed>) = 0 [pid 5351] set_robust_list(0x7fecab0649a0, 24 [pid 5348] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5351] <... set_robust_list resumed>) = 0 [pid 5351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5351] memfd_create("syzkaller", 0) = 3 [pid 5351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [ 89.034160][ T5340] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 89.059276][ T5342] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.065104][ T5340] REISERFS (device loop0): using ordered data mode [ 89.078964][ T5343] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.079277][ T5340] reiserfs: using flush barriers [ 89.100668][ T5340] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 89.117557][ T5340] REISERFS (device loop0): checking transaction log (loop0) [ 89.125185][ T5342] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 89.134569][ T5342] REISERFS (device loop3): using ordered data mode [ 89.141100][ T5342] reiserfs: using flush barriers [ 89.144945][ T5339] REISERFS (device loop2): checking transaction log (loop2) [ 89.155760][ T5342] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 89.163235][ T5343] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5342] <... mount resumed>) = 0 [pid 5342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5342] chdir("./file0") = 0 [pid 5342] ioctl(4, LOOP_CLR_FD) = 0 [pid 5342] close(4) = 0 [pid 5339] <... mount resumed>) = 0 [pid 5342] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5342] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5340] <... mount resumed>) = 0 [pid 5339] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5336] <... futex resumed>) = 0 [pid 5339] <... openat resumed>) = 3 [pid 5336] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] chdir("./file0") = 0 [pid 5339] ioctl(4, LOOP_CLR_FD [pid 5342] <... futex resumed>) = 0 [pid 5339] <... ioctl resumed>) = 0 [pid 5336] <... futex resumed>) = 1 [ 89.172966][ T5342] REISERFS (device loop3): checking transaction log (loop3) [ 89.182865][ T5340] REISERFS (device loop0): Using r5 hash to sort names [ 89.194500][ T5342] REISERFS (device loop3): Using r5 hash to sort names [ 89.215245][ T5339] REISERFS (device loop2): Using r5 hash to sort names [pid 5342] mkdir(".", 0777 [pid 5339] close(4 [pid 5336] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5342] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5339] <... close resumed>) = 0 [pid 5342] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5339] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5339] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5346] <... write resumed>) = 4194304 [pid 5340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5337] <... futex resumed>) = 0 [pid 5340] chdir("./file0") = 0 [pid 5337] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] ioctl(4, LOOP_CLR_FD [pid 5337] <... futex resumed>) = 1 [pid 5339] <... futex resumed>) = 0 [pid 5340] <... ioctl resumed>) = 0 [pid 5339] mkdir(".", 0777 [pid 5337] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5340] close(4 [pid 5339] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5340] <... close resumed>) = 0 [pid 5339] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5340] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5340] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] <... futex resumed>) = 0 [pid 5338] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 1 [pid 5346] munmap(0x7feca2c44000, 138412032) = 0 [ 89.231866][ T5342] reiserfs: enabling write barrier flush mode [ 89.242732][ T5339] reiserfs: enabling write barrier flush mode [ 89.258571][ T5343] REISERFS (device loop5): using ordered data mode [ 89.259765][ T5342] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 89.272056][ T5343] reiserfs: using flush barriers [pid 5346] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5340] mkdir(".", 0777 [pid 5338] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5346] <... openat resumed>) = 4 [pid 5340] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5346] ioctl(4, LOOP_SET_FD, 3 [pid 5340] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5342] <... mount resumed>) = 0 [pid 5342] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5342] chdir(".") = 0 [pid 5342] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5342] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5339] <... mount resumed>) = 0 [pid 5336] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... openat resumed>) = 5 [pid 5339] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5336] <... futex resumed>) = 0 [pid 5339] <... openat resumed>) = 4 [pid 5336] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5339] chdir("." [pid 5346] <... ioctl resumed>) = 0 [pid 5342] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... chdir resumed>) = 0 [ 89.282519][ T5343] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 89.299632][ T5339] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 89.313951][ T5340] reiserfs: enabling write barrier flush mode [ 89.314126][ T5346] loop4: detected capacity change from 0 to 8192 [pid 5342] <... futex resumed>) = 1 [pid 5339] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5336] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] <... futex resumed>) = 0 [pid 5346] close(3 [pid 5342] ftruncate(5, 100663296 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5337] <... futex resumed>) = 0 [pid 5336] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] <... close resumed>) = 0 [pid 5339] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5337] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] mkdir("./file0", 0777 [pid 5339] <... openat resumed>) = 5 [pid 5346] <... mkdir resumed>) = 0 [pid 5351] <... write resumed>) = 4194304 [pid 5340] <... mount resumed>) = 0 [pid 5339] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] munmap(0x7feca2c44000, 138412032 [pid 5340] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5339] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5351] <... munmap resumed>) = 0 [pid 5346] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5340] <... openat resumed>) = 4 [pid 5339] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5337] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5337] <... futex resumed>) = 0 [pid 5339] ftruncate(5, 100663296 [pid 5337] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5342] <... ftruncate resumed>) = 0 [pid 5340] chdir("." [pid 5351] <... openat resumed>) = 4 [pid 5340] <... chdir resumed>) = 0 [pid 5351] ioctl(4, LOOP_SET_FD, 3 [ 89.338606][ T5340] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 89.344140][ T5343] REISERFS (device loop5): checking transaction log (loop5) [ 89.371264][ T5343] REISERFS (device loop5): Using r5 hash to sort names [pid 5340] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... ioctl resumed>) = 0 [pid 5343] <... mount resumed>) = 0 [pid 5340] <... futex resumed>) = 1 [pid 5339] <... ftruncate resumed>) = 0 [pid 5338] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5336] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5336] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... futex resumed>) = 1 [pid 5336] <... futex resumed>) = 0 [pid 5351] close(3 [pid 5343] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5336] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5351] <... close resumed>) = 0 [pid 5343] <... openat resumed>) = 3 [pid 5342] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5340] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] mkdir("./file0", 0777 [pid 5343] chdir("./file0" [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5339] <... futex resumed>) = 1 [pid 5338] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5337] <... futex resumed>) = 0 [pid 5337] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5337] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] <... mkdir resumed>) = 0 [pid 5343] <... chdir resumed>) = 0 [pid 5340] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5339] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5338] <... futex resumed>) = 0 [pid 5343] ioctl(4, LOOP_CLR_FD) = 0 [pid 5338] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] close(4) = 0 [pid 5343] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... openat resumed>) = 6 [pid 5340] <... openat resumed>) = 5 [pid 5351] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5343] <... futex resumed>) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5342] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = 1 [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [ 89.383113][ T5351] loop1: detected capacity change from 0 to 8192 [ 89.390097][ T5346] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.403503][ T5346] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 89.413071][ T5346] REISERFS (device loop4): using ordered data mode [pid 5336] <... futex resumed>) = 0 [pid 5343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5342] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5341] <... futex resumed>) = 0 [pid 5340] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... openat resumed>) = 6 [pid 5338] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5338] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] mkdir(".", 0777 [pid 5341] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5343] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5340] ftruncate(5, 100663296 [pid 5339] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5339] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5337] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5339] <... openat resumed>) = 7 [pid 5337] <... futex resumed>) = 0 [pid 5337] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5339] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5336] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = 0 [pid 5339] <... futex resumed>) = 1 [pid 5337] <... futex resumed>) = 0 [pid 5336] <... futex resumed>) = 1 [pid 5342] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5339] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5336] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5342] <... openat resumed>) = 7 [pid 5340] <... ftruncate resumed>) = 0 [pid 5337] exit_group(0 [pid 5342] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5336] <... futex resumed>) = 0 [ 89.439644][ T5346] reiserfs: using flush barriers [ 89.452260][ T5343] reiserfs: enabling write barrier flush mode [ 89.455215][ T5346] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 89.478618][ T5343] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5337] <... exit_group resumed>) = ? [pid 5343] <... mount resumed>) = 0 [pid 5342] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... futex resumed>) = ? [pid 5338] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5336] exit_group(0 [pid 5339] +++ exited with 0 +++ [pid 5338] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5342] <... futex resumed>) = ? [pid 5338] <... futex resumed>) = 0 [pid 5336] <... exit_group resumed>) = ? [pid 5342] +++ exited with 0 +++ [pid 5338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5336] +++ exited with 0 +++ [pid 5338] <... mmap resumed>) = 0x7fecab023000 [pid 5338] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5338] <... mprotect resumed>) = 0 [pid 5338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5337] +++ exited with 0 +++ [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5343] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- ./strace-static-x86_64: Process 5354 attached [pid 5343] <... openat resumed>) = 4 [pid 5340] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... restart_syscall resumed>) = 0 [pid 5354] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5340] <... futex resumed>) = 0 [pid 5338] <... clone3 resumed> => {parent_tid=[5354]}, 88) = 5354 [pid 5354] <... rseq resumed>) = 0 [pid 5340] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] rt_sigprocmask(SIG_SETMASK, [], [pid 5354] set_robust_list(0x7fecab0439a0, 24 [pid 5343] chdir("." [pid 5338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5354] <... set_robust_list resumed>) = 0 [pid 5338] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], [pid 5338] <... futex resumed>) = 0 [pid 5059] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5338] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5354] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5059] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5343] <... chdir resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5059] newfstatat(3, "", [pid 5343] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [ 89.488113][ T5351] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.489852][ T5346] REISERFS (device loop4): checking transaction log (loop4) [ 89.522381][ T5351] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5346] <... mount resumed>) = 0 [pid 5343] <... futex resumed>) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] getdents64(3, [pid 5343] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5341] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5060] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5341] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... openat resumed>) = 3 [pid 5343] <... openat resumed>) = 5 [pid 5060] newfstatat(3, "", [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5343] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, [pid 5059] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5343] <... futex resumed>) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5341] <... futex resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5341] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] unlink("./13/binderfs") = 0 [pid 5343] ftruncate(5, 100663296 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5354] <... openat resumed>) = 6 [pid 5354] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5354] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5340] <... futex resumed>) = 0 [pid 5338] <... futex resumed>) = 1 [pid 5340] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5338] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5340] <... openat resumed>) = 7 [pid 5346] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5343] <... ftruncate resumed>) = 0 [pid 5340] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5340] <... futex resumed>) = 1 [pid 5338] <... futex resumed>) = 0 [pid 5340] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5338] exit_group(0 [pid 5354] <... futex resumed>) = ? [pid 5340] <... futex resumed>) = ? [pid 5338] <... exit_group resumed>) = ? [pid 5354] +++ exited with 0 +++ [pid 5340] +++ exited with 0 +++ [pid 5338] +++ exited with 0 +++ [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5057] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5343] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(3, "", [pid 5346] <... openat resumed>) = 3 [pid 5343] <... futex resumed>) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5346] chdir("./file0" [pid 5341] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] getdents64(3, [pid 5346] <... chdir resumed>) = 0 [pid 5341] <... futex resumed>) = 0 [pid 5343] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5060] unlink("./13/binderfs" [pid 5346] ioctl(4, LOOP_CLR_FD [pid 5341] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5346] <... ioctl resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5346] close(4 [pid 5060] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] unlink("./13/binderfs" [pid 5346] <... close resumed>) = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5346] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5346] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] <... futex resumed>) = 0 [pid 5346] mkdir(".", 0777 [ 89.535113][ T5346] REISERFS (device loop4): Using r5 hash to sort names [ 89.542873][ T5351] REISERFS (device loop1): using ordered data mode [ 89.552068][ T5351] reiserfs: using flush barriers [ 89.570629][ T5351] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5344] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5346] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5343] <... openat resumed>) = 6 [pid 5346] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5343] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5341] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5341] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5343] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5343] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5341] <... futex resumed>) = 0 [pid 5341] exit_group(0) = ? [ 89.616769][ T5346] reiserfs: enabling write barrier flush mode [ 89.632583][ T5351] REISERFS (device loop1): checking transaction log (loop1) [ 89.646014][ T5346] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5343] +++ exited with 0 +++ [pid 5341] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5062] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 5346] <... mount resumed>) = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5346] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./13/binderfs" [pid 5346] <... openat resumed>) = 4 [pid 5346] chdir("." [pid 5062] <... unlink resumed>) = 0 [pid 5351] <... mount resumed>) = 0 [pid 5346] <... chdir resumed>) = 0 [ 89.668907][ T5351] REISERFS (device loop1): Using r5 hash to sort names [pid 5062] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5346] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5351] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5344] <... futex resumed>) = 0 [pid 5346] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5344] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = 0 [pid 5351] <... openat resumed>) = 3 [pid 5346] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5344] <... futex resumed>) = 0 [pid 5344] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5351] chdir("./file0" [pid 5346] <... openat resumed>) = 5 [pid 5351] <... chdir resumed>) = 0 [pid 5346] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5351] ioctl(4, LOOP_CLR_FD [pid 5346] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5351] <... ioctl resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5351] close(4 [pid 5346] ftruncate(5, 100663296 [pid 5344] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] newfstatat(AT_FDCWD, "./13/file0", [pid 5351] <... close resumed>