./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>) = 0 [pid 5344] <... futex resumed>) = 0 [pid 5351] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 5344] 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 5059] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5351] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5346] <... ftruncate resumed>) = 0 [pid 5062] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5351] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5348] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... openat resumed>) = 4 [pid 5348] <... futex resumed>) = 1 [pid 5062] newfstatat(AT_FDCWD, "./13/file0", [pid 5351] <... futex resumed>) = 0 [pid 5059] newfstatat(4, "", [pid 5351] mkdir(".", 0777 [pid 5348] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5346] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5351] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5346] <... futex resumed>) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] getdents64(4, [pid 5351] 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 5346] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5344] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5344] <... futex resumed>) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5344] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] getdents64(4, [pid 5062] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] newfstatat(4, "", [pid 5059] close(4 [pid 5346] <... openat resumed>) = 6 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5062] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] rmdir("./13/file0" [pid 5060] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(4, [pid 5351] <... mount resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... rmdir resumed>) = 0 [pid 5346] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5344] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5060] newfstatat(AT_FDCWD, "./13/file0", [pid 5059] getdents64(3, [pid 5344] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5346] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5344] <... futex resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5344] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5351] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5346] <... openat resumed>) = 7 [pid 5062] rmdir("./13/file0" [pid 5060] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] close(3 [pid 5351] <... openat resumed>) = 4 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... close resumed>) = 0 [pid 5062] getdents64(3, [pid 5060] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] rmdir("./13" [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5346] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... rmdir resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 5062] close(3 [pid 5059] mkdir("./14", 0777 [pid 5346] <... futex resumed>) = 1 [pid 5346] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5344] <... futex resumed>) = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5344] exit_group(0 [pid 5062] <... close resumed>) = 0 [pid 5344] <... exit_group resumed>) = ? [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5062] rmdir("./13" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5346] <... futex resumed>) = ? [pid 5062] <... rmdir resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5062] mkdir("./14", 0777 [pid 5060] getdents64(4, [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5346] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5062] <... mkdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] close(3 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5351] chdir("." [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5060] getdents64(4, [pid 5059] <... close resumed>) = 0 [pid 5351] <... chdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5351] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 3 [ 89.798610][ T5351] reiserfs: enabling write barrier flush mode [ 89.819140][ T5351] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5060] close(4 [pid 5057] <... umount2 resumed>) = 0 [pid 5351] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... close resumed>) = 0 [pid 5348] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] rmdir("./13/file0" [pid 5351] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5355 [pid 5057] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5351] <... openat resumed>) = 5 [pid 5348] <... futex resumed>) = 0 [pid 5062] close(3 [pid 5061] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... rmdir resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5355 attached [pid 5351] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... close resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5355] set_robust_list(0x55555568a6a0, 24 [pid 5351] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] newfstatat(3, "", [pid 5060] getdents64(3, [pid 5057] newfstatat(AT_FDCWD, "./13/file0", [pid 5355] <... set_robust_list resumed>) = 0 [pid 5351] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5355] chdir("./14" [pid 5351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] <... futex resumed>) = 0 [pid 5061] getdents64(3, [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5355] <... chdir resumed>) = 0 [pid 5351] ftruncate(5, 100663296 [pid 5348] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5355] <... prctl resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] setpgid(0, 0 [pid 5061] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] close(3./strace-static-x86_64: Process 5356 attached [pid 5355] <... setpgid resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] unlink("./14/binderfs" [pid 5060] <... close resumed>) = 0 [pid 5057] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] rmdir("./13" [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5356] set_robust_list(0x55555568a6a0, 24 [pid 5355] <... openat resumed>) = 3 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5356 [pid 5061] <... unlink resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5057] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5356] <... set_robust_list resumed>) = 0 [pid 5355] write(3, "1000", 4 [pid 5061] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5355] <... write resumed>) = 4 [pid 5356] chdir("./14" [pid 5060] mkdir("./14", 0777 [pid 5057] <... openat resumed>) = 4 [pid 5356] <... chdir resumed>) = 0 [pid 5355] close(3 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5355] <... close resumed>) = 0 [pid 5356] <... prctl resumed>) = 0 [pid 5355] symlink("/dev/binderfs", "./binderfs" [pid 5356] setpgid(0, 0 [pid 5355] <... symlink resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5356] <... setpgid resumed>) = 0 [pid 5355] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5355] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5356] <... openat resumed>) = 3 [pid 5355] 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 5057] getdents64(4, [pid 5356] write(3, "1000", 4 [pid 5355] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5356] <... write resumed>) = 4 [pid 5355] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5356] close(3 [pid 5355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] <... ftruncate resumed>) = 0 [pid 5060] close(3 [pid 5057] getdents64(4, [pid 5356] <... close resumed>) = 0 [pid 5355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5351] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] symlink("/dev/binderfs", "./binderfs" [pid 5355] <... mmap resumed>) = 0x7fecab044000 [pid 5060] <... close resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5356] <... symlink resumed>) = 0 [pid 5355] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5351] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5356] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... mprotect resumed>) = 0 [pid 5351] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5348] <... futex resumed>) = 0 [pid 5356] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5355] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5351] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5348] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5356] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] close(4 [pid 5355] 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=[5357]}, 88) = 5357 [pid 5355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5357 attached [pid 5356] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5355] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5355] <... futex resumed>) = 0 [pid 5356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5355] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] <... close resumed>) = 0 [pid 5356] <... mmap resumed>) = 0x7fecab044000 [pid 5357] <... rseq resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5358 [pid 5057] rmdir("./13/file0" [pid 5357] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5356] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5357] rt_sigprocmask(SIG_SETMASK, [], [pid 5356] <... mprotect resumed>) = 0 [pid 5357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5357] memfd_create("syzkaller", 0 [pid 5356] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] getdents64(3, ./strace-static-x86_64: Process 5358 attached [pid 5357] <... memfd_create resumed>) = 3 [pid 5356] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5358] set_robust_list(0x55555568a6a0, 24 [pid 5057] close(3 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./13" [pid 5358] chdir("./14" [pid 5357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5356] 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 5357] <... mmap resumed>) = 0x7feca2c44000 [pid 5057] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5359 attached [pid 5358] <... chdir resumed>) = 0 [pid 5356] <... clone3 resumed> => {parent_tid=[5359]}, 88) = 5359 [pid 5057] mkdir("./14", 0777 [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5359] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5358] <... prctl resumed>) = 0 [pid 5356] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] <... mkdir resumed>) = 0 [pid 5358] setpgid(0, 0 [pid 5356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] <... openat resumed>) = 6 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5358] <... setpgid resumed>) = 0 [pid 5356] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... openat resumed>) = 3 [pid 5359] <... rseq resumed>) = 0 [pid 5356] <... futex resumed>) = 0 [pid 5351] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5356] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5351] <... futex resumed>) = 1 [pid 5348] <... futex resumed>) = 0 [pid 5359] set_robust_list(0x7fecab0649a0, 24 [pid 5351] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5348] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] <... openat resumed>) = 3 [pid 5351] <... openat resumed>) = 7 [pid 5348] <... futex resumed>) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5359] rt_sigprocmask(SIG_SETMASK, [], [pid 5351] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5348] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] close(3 [pid 5359] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5351] <... futex resumed>) = 0 [pid 5348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] memfd_create("syzkaller", 0 [pid 5351] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5348] exit_group(0 [pid 5359] <... memfd_create resumed>) = 3 [pid 5359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5351] <... futex resumed>) = ? [pid 5348] <... exit_group resumed>) = ? [pid 5359] <... mmap resumed>) = 0x7feca2c44000 [pid 5358] write(3, "1000", 4 [pid 5351] +++ exited with 0 +++ [pid 5348] +++ exited with 0 +++ [pid 5057] <... close resumed>) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5058] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./14", 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("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] unlink("./14/binderfs") = 0 [pid 5058] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5358] <... write resumed>) = 4 [pid 5358] close(3 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5360 [pid 5358] <... close resumed>) = 0 ./strace-static-x86_64: Process 5360 attached [pid 5358] symlink("/dev/binderfs", "./binderfs" [pid 5360] set_robust_list(0x55555568a6a0, 24 [pid 5358] <... symlink resumed>) = 0 [pid 5360] <... set_robust_list resumed>) = 0 [pid 5360] chdir("./14" [pid 5358] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] <... chdir resumed>) = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5358] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5360] <... prctl resumed>) = 0 [pid 5358] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5358] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5360] setpgid(0, 0 [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] <... setpgid resumed>) = 0 [pid 5358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5358] <... mmap resumed>) = 0x7fecab044000 [pid 5358] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5360] <... openat resumed>) = 3 [pid 5358] <... mprotect resumed>) = 0 [pid 5360] write(3, "1000", 4) = 4 [pid 5360] close(3 [pid 5358] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5360] <... close resumed>) = 0 [pid 5360] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5358] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5358] 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 5360] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5361 attached [pid 5360] <... futex resumed>) = 0 [pid 5361] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5360] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5361] <... rseq resumed>) = 0 [pid 5360] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5361] set_robust_list(0x7fecab0649a0, 24 [pid 5360] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5361] <... set_robust_list resumed>) = 0 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] rt_sigprocmask(SIG_SETMASK, [], [pid 5360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5360] <... mmap resumed>) = 0x7fecab044000 [pid 5358] <... clone3 resumed> => {parent_tid=[5361]}, 88) = 5361 [pid 5061] newfstatat(AT_FDCWD, "./14/file0", [pid 5358] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5358] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5361] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5360] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5358] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5361] <... futex resumed>) = 0 [pid 5360] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5358] <... futex resumed>) = 1 [pid 5361] memfd_create("syzkaller", 0 [pid 5360] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5361] <... memfd_create resumed>) = 3 [pid 5358] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5360] <... clone3 resumed> => {parent_tid=[5362]}, 88) = 5362 [pid 5361] <... mmap resumed>) = 0x7feca2c44000 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5362 attached [pid 5362] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5360] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... rseq resumed>) = 0 [pid 5360] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] set_robust_list(0x7fecab0649a0, 24 [pid 5360] <... futex resumed>) = 0 [pid 5362] <... set_robust_list resumed>) = 0 [pid 5360] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5362] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", [pid 5362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5362] memfd_create("syzkaller", 0) = 3 [pid 5362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [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("./14/file0") = 0 [pid 5058] <... umount2 resumed>) = 0 [pid 5359] <... write resumed>) = 4194304 [pid 5061] getdents64(3, [pid 5058] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./14/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, [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3 [pid 5362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5359] munmap(0x7feca2c44000, 138412032 [pid 5357] <... write resumed>) = 4194304 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] <... close resumed>) = 0 [pid 5357] munmap(0x7feca2c44000, 138412032 [pid 5061] rmdir("./14" [pid 5058] getdents64(4, [pid 5359] <... munmap resumed>) = 0 [pid 5357] <... munmap resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] mkdir("./15", 0777 [pid 5058] close(4) = 0 [pid 5058] rmdir("./14/file0") = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5359] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5058] close(3 [pid 5359] <... openat resumed>) = 4 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5058] <... close resumed>) = 0 [pid 5359] ioctl(4, LOOP_SET_FD, 3 [pid 5357] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] <... openat resumed>) = 3 [pid 5058] rmdir("./14" [pid 5357] <... openat resumed>) = 4 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5058] <... rmdir resumed>) = 0 [pid 5357] ioctl(4, LOOP_SET_FD, 3 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] mkdir("./15", 0777 [pid 5061] close(3) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5363 attached [pid 5359] <... ioctl resumed>) = 0 [pid 5363] set_robust_list(0x55555568a6a0, 24 [pid 5359] close(3 [pid 5058] <... openat resumed>) = 3 [pid 5363] <... set_robust_list resumed>) = 0 [pid 5359] <... close resumed>) = 0 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5363] chdir("./15" [pid 5359] mkdir("./file0", 0777 [pid 5363] <... chdir resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5363 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5359] <... mkdir resumed>) = 0 [pid 5058] close(3 [pid 5363] <... prctl resumed>) = 0 [pid 5363] setpgid(0, 0 [pid 5058] <... close resumed>) = 0 [pid 5363] <... setpgid resumed>) = 0 [pid 5359] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5364 attached [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5364 [ 90.204146][ T5359] loop5: detected capacity change from 0 to 8192 [ 90.205829][ T5357] loop2: detected capacity change from 0 to 8192 [pid 5357] <... ioctl resumed>) = 0 [pid 5357] close(3) = 0 [pid 5357] mkdir("./file0", 0777) = 0 [pid 5357] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5364] set_robust_list(0x55555568a6a0, 24 [pid 5363] <... openat resumed>) = 3 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5363] write(3, "1000", 4 [pid 5364] chdir("./15" [pid 5363] <... write resumed>) = 4 [pid 5364] <... chdir resumed>) = 0 [pid 5363] close(3) = 0 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5363] symlink("/dev/binderfs", "./binderfs" [pid 5364] setpgid(0, 0) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3) = 0 [pid 5363] <... symlink resumed>) = 0 [pid 5364] symlink("/dev/binderfs", "./binderfs" [pid 5363] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... symlink resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5364] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5364] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5364] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5364] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 90.245897][ T5359] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.268423][ T5357] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5361] <... write resumed>) = 4194304 [pid 5364] <... mmap resumed>) = 0x7fecab044000 [pid 5364] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5363] <... mmap resumed>) = 0x7fecab044000 [pid 5361] munmap(0x7feca2c44000, 138412032 [pid 5364] <... mprotect resumed>) = 0 [pid 5363] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5361] <... munmap resumed>) = 0 [pid 5361] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5363] <... mprotect resumed>) = 0 [pid 5361] <... openat resumed>) = 4 [pid 5363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5361] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5364] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5361] close(3 [pid 5364] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5361] <... close resumed>) = 0 [pid 5364] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5361] mkdir("./file0", 0777) = 0 [pid 5364] <... clone3 resumed> => {parent_tid=[5367]}, 88) = 5367 [pid 5364] rt_sigprocmask(SIG_SETMASK, [], [pid 5361] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5364] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5368 attached [ 90.311452][ T5357] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 90.311559][ T5359] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 90.320834][ T5357] REISERFS (device loop2): using ordered data mode [ 90.337496][ T5357] reiserfs: using flush barriers [ 90.346388][ T5361] loop3: detected capacity change from 0 to 8192 [pid 5368] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5368] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5368] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5367 attached [pid 5362] <... write resumed>) = 4194304 [pid 5367] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5367] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5367] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5362] munmap(0x7feca2c44000, 138412032 [pid 5364] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... clone3 resumed> => {parent_tid=[5368]}, 88) = 5368 [pid 5362] <... munmap resumed>) = 0 [pid 5362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5362] ioctl(4, LOOP_SET_FD, 3 [pid 5367] <... futex resumed>) = 0 [pid 5364] <... futex resumed>) = 1 [pid 5363] rt_sigprocmask(SIG_SETMASK, [], [pid 5367] memfd_create("syzkaller", 0) = 3 [pid 5367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5364] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5362] <... ioctl resumed>) = 0 [pid 5362] close(3 [pid 5363] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5368] <... futex resumed>) = 0 [pid 5362] <... close resumed>) = 0 [pid 5363] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5368] memfd_create("syzkaller", 0 [pid 5362] mkdir("./file0", 0777 [pid 5368] <... memfd_create resumed>) = 3 [pid 5362] <... mkdir resumed>) = 0 [ 90.357676][ T5357] 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 [ 90.375134][ T5359] REISERFS (device loop5): using ordered data mode [ 90.381062][ T5362] loop0: detected capacity change from 0 to 8192 [ 90.381786][ T5359] reiserfs: using flush barriers [ 90.394210][ T5361] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5362] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [ 90.410108][ T5359] 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 [ 90.416939][ T5357] REISERFS (device loop2): checking transaction log (loop2) [ 90.426623][ T5361] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 90.444075][ T5362] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.459543][ T5359] REISERFS (device loop5): checking transaction log (loop5) [ 90.467475][ T5361] REISERFS (device loop3): using ordered data mode [ 90.474498][ T5362] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 90.483791][ T5362] REISERFS (device loop0): using ordered data mode [ 90.486334][ T5357] REISERFS (device loop2): Using r5 hash to sort names [ 90.490448][ T5362] reiserfs: using flush barriers [ 90.504555][ T5361] reiserfs: using flush barriers [pid 5367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 90.511488][ T5362] 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 [ 90.515906][ T5361] 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 [ 90.528752][ T5362] REISERFS (device loop0): checking transaction log (loop0) [ 90.553542][ T5359] REISERFS (device loop5): Using r5 hash to sort names [pid 5368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5359] <... mount resumed>) = 0 [pid 5359] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5359] chdir("./file0" [pid 5357] <... mount resumed>) = 0 [pid 5359] <... chdir resumed>) = 0 [pid 5357] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5359] ioctl(4, LOOP_CLR_FD [pid 5357] <... openat resumed>) = 3 [pid 5359] <... ioctl resumed>) = 0 [pid 5357] chdir("./file0" [pid 5359] close(4 [pid 5357] <... chdir resumed>) = 0 [pid 5359] <... close resumed>) = 0 [pid 5357] ioctl(4, LOOP_CLR_FD [pid 5359] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... ioctl resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5357] close(4 [pid 5356] <... futex resumed>) = 0 [pid 5362] <... mount resumed>) = 0 [pid 5359] mkdir(".", 0777 [pid 5357] <... close resumed>) = 0 [pid 5356] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5359] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5357] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5362] <... openat resumed>) = 3 [pid 5359] 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 5357] <... futex resumed>) = 1 [pid 5356] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5362] chdir("./file0" [pid 5357] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5355] <... futex resumed>) = 0 [pid 5362] <... chdir resumed>) = 0 [pid 5355] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] ioctl(4, LOOP_CLR_FD [pid 5357] <... futex resumed>) = 0 [pid 5355] <... futex resumed>) = 1 [ 90.562426][ T5362] REISERFS (device loop0): Using r5 hash to sort names [ 90.598221][ T5359] reiserfs: enabling write barrier flush mode [pid 5362] <... ioctl resumed>) = 0 [pid 5357] mkdir(".", 0777 [pid 5355] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5368] <... write resumed>) = 4194304 [pid 5362] close(4 [pid 5357] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5362] <... close resumed>) = 0 [pid 5357] 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 5368] munmap(0x7feca2c44000, 138412032 [pid 5362] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5360] <... futex resumed>) = 0 [pid 5362] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... munmap resumed>) = 0 [pid 5367] <... write resumed>) = 4194304 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... futex resumed>) = 0 [pid 5362] mkdir(".", 0777 [pid 5360] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5362] <... mkdir resumed>) = -1 EEXIST (File exists) [ 90.614152][ T5361] REISERFS (device loop3): checking transaction log (loop3) [ 90.615182][ T5357] reiserfs: enabling write barrier flush mode [ 90.628776][ T5361] REISERFS (device loop3): Using r5 hash to sort names [ 90.647277][ T5362] reiserfs: enabling write barrier flush mode [ 90.651074][ T5357] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5362] 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 5368] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5367] munmap(0x7feca2c44000, 138412032 [pid 5361] <... mount resumed>) = 0 [pid 5357] <... mount resumed>) = 0 [pid 5368] <... openat resumed>) = 4 [pid 5367] <... munmap resumed>) = 0 [pid 5361] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5359] <... mount resumed>) = 0 [pid 5357] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5368] ioctl(4, LOOP_SET_FD, 3 [pid 5361] <... openat resumed>) = 3 [pid 5359] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5357] <... openat resumed>) = 4 [pid 5367] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5367] ioctl(4, LOOP_SET_FD, 3 [pid 5361] chdir("./file0" [pid 5359] <... openat resumed>) = 4 [pid 5357] chdir("." [pid 5367] <... ioctl resumed>) = 0 [pid 5361] <... chdir resumed>) = 0 [pid 5359] chdir("." [pid 5357] <... chdir resumed>) = 0 [pid 5359] <... chdir resumed>) = 0 [pid 5357] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... ioctl resumed>) = 0 [pid 5359] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = 0 [pid 5357] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5355] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] close(3) = 0 [pid 5357] <... openat resumed>) = 5 [pid 5355] <... futex resumed>) = 0 [pid 5368] mkdir("./file0", 0777 [pid 5361] ioctl(4, LOOP_CLR_FD [pid 5359] <... futex resumed>) = 1 [pid 5357] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5355] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... mount resumed>) = 0 [pid 5361] <... ioctl resumed>) = 0 [pid 5359] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5357] <... futex resumed>) = 0 [pid 5356] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5368] <... mkdir resumed>) = 0 [pid 5361] close(4 [pid 5359] <... openat resumed>) = 5 [pid 5357] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5362] <... openat resumed>) = 4 [pid 5356] <... futex resumed>) = 0 [pid 5355] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... close resumed>) = 0 [pid 5357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5356] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] <... futex resumed>) = 0 [pid 5361] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] ftruncate(5, 100663296 [pid 5355] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] chdir("." [pid 5361] <... futex resumed>) = 1 [pid 5359] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] <... futex resumed>) = 0 [pid 5357] <... ftruncate resumed>) = 0 [pid 5362] <... chdir resumed>) = 0 [pid 5361] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5359] <... futex resumed>) = 1 [pid 5358] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5362] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5359] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] <... futex resumed>) = 0 [pid 5356] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5367] close(3 [pid 5362] <... futex resumed>) = 1 [pid 5361] mkdir(".", 0777 [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5356] <... futex resumed>) = 0 [pid 5367] <... close resumed>) = 0 [pid 5362] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5361] <... mkdir resumed>) = -1 EEXIST (File exists) [ 90.668817][ T5359] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 90.682569][ T5362] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 90.694059][ T5368] loop4: detected capacity change from 0 to 8192 [ 90.704852][ T5367] loop1: detected capacity change from 0 to 8192 [pid 5360] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] ftruncate(5, 100663296 [pid 5356] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] mkdir("./file0", 0777 [pid 5362] <... openat resumed>) = 5 [pid 5361] 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 5360] <... futex resumed>) = 0 [pid 5367] <... mkdir resumed>) = 0 [pid 5362] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5360] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5359] <... ftruncate resumed>) = 0 [pid 5357] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5355] <... futex resumed>) = 0 [pid 5355] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5362] <... futex resumed>) = 0 [pid 5355] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 90.745625][ T5361] reiserfs: enabling write barrier flush mode [ 90.754479][ T5368] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.771172][ T5367] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.785022][ T5367] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5362] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... futex resumed>) = 0 [pid 5357] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5362] ftruncate(5, 100663296 [pid 5360] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5362] <... ftruncate resumed>) = 0 [pid 5359] <... futex resumed>) = 0 [pid 5356] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5356] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5355] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = 1 [pid 5361] <... mount resumed>) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5359] <... openat resumed>) = 6 [pid 5357] <... openat resumed>) = 6 [pid 5355] <... futex resumed>) = 0 [pid 5362] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5360] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5357] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 90.796139][ T5361] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 90.801561][ T5367] REISERFS (device loop1): using ordered data mode [ 90.811972][ T5367] reiserfs: using flush barriers [ 90.822676][ T5368] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 90.834844][ T5368] REISERFS (device loop4): using ordered data mode [pid 5362] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5361] <... openat resumed>) = 4 [pid 5360] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5359] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5357] <... futex resumed>) = 0 [pid 5356] <... futex resumed>) = 0 [pid 5355] <... mmap resumed>) = 0x7fecab023000 [pid 5356] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5359] <... futex resumed>) = 0 [pid 5356] <... futex resumed>) = 1 [pid 5357] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] chdir(".") = 0 [pid 5359] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5356] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5355] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5362] <... openat resumed>) = 6 [pid 5361] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5359] <... openat resumed>) = 7 [pid 5355] <... rt_sigprocmask resumed>[], 8) = 0 [ 90.835461][ T5367] 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 [ 90.844534][ T5368] reiserfs: using flush barriers [ 90.873673][ T5368] 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 5355] 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 5373 attached [pid 5362] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] <... futex resumed>) = 1 [pid 5359] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] <... futex resumed>) = 0 [pid 5355] <... clone3 resumed> => {parent_tid=[5373]}, 88) = 5373 [pid 5355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5362] <... futex resumed>) = 1 [pid 5361] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5360] <... futex resumed>) = 0 [pid 5359] <... futex resumed>) = 1 [pid 5358] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5356] <... futex resumed>) = 0 [pid 5355] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] <... futex resumed>) = 0 [pid 5356] exit_group(0 [pid 5355] <... futex resumed>) = 0 [pid 5362] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5361] <... openat resumed>) = 5 [pid 5360] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5358] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5356] <... exit_group resumed>) = ? [pid 5355] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5362] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5362] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] <... futex resumed>) = 0 [pid 5359] +++ exited with 0 +++ [pid 5356] +++ exited with 0 +++ [pid 5362] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5062] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5373] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5062] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5373] <... rseq resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5373] set_robust_list(0x7fecab0439a0, 24 [pid 5062] newfstatat(3, "", [pid 5360] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... mount resumed>) = 0 [pid 5361] <... futex resumed>) = 1 [pid 5360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5358] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5373] <... set_robust_list resumed>) = 0 [pid 5368] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5367] <... mount resumed>) = 0 [pid 5361] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5360] exit_group(0 [pid 5358] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(3, [pid 5373] rt_sigprocmask(SIG_SETMASK, [], [pid 5368] <... openat resumed>) = 3 [pid 5367] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5362] <... futex resumed>) = ? [pid 5361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5360] <... exit_group resumed>) = ? [pid 5358] <... futex resumed>) = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5373] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5368] chdir("./file0" [pid 5367] <... openat resumed>) = 3 [pid 5362] +++ exited with 0 +++ [pid 5361] ftruncate(5, 100663296 [pid 5358] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5373] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5360] +++ exited with 0 +++ [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5373] <... openat resumed>) = 7 [pid 5062] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5373] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5373] <... futex resumed>) = 1 [pid 5355] <... futex resumed>) = 0 [pid 5062] unlink("./14/binderfs" [pid 5373] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5368] <... chdir resumed>) = 0 [pid 5367] chdir("./file0" [pid 5361] <... ftruncate resumed>) = 0 [pid 5355] exit_group(0 [pid 5062] <... unlink resumed>) = 0 [pid 5057] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5368] ioctl(4, LOOP_CLR_FD [pid 5367] <... chdir resumed>) = 0 [pid 5357] <... futex resumed>) = ? [pid 5355] <... exit_group resumed>) = ? [pid 5062] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5373] <... futex resumed>) = ? [pid 5368] <... ioctl resumed>) = 0 [pid 5367] ioctl(4, LOOP_CLR_FD [pid 5357] +++ exited with 0 +++ [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] close(4 [pid 5367] <... ioctl resumed>) = 0 [pid 5057] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5373] +++ exited with 0 +++ [pid 5368] <... close resumed>) = 0 [pid 5355] +++ exited with 0 +++ [pid 5368] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... openat resumed>) = 3 [pid 5368] <... futex resumed>) = 1 [pid 5363] <... futex resumed>) = 0 [pid 5361] <... futex resumed>) = 1 [pid 5358] <... futex resumed>) = 0 [pid 5057] newfstatat(3, "", [pid 5363] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5361] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5358] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5358] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] getdents64(3, [pid 5368] mkdir(".", 0777 [pid 5363] <... futex resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5368] <... mkdir resumed>) = -1 EEXIST (File exists) [ 90.874034][ T5367] REISERFS (device loop1): checking transaction log (loop1) [ 90.898951][ T5368] REISERFS (device loop4): checking transaction log (loop4) [ 90.909375][ T5368] REISERFS (device loop4): Using r5 hash to sort names [ 90.919254][ T5367] REISERFS (device loop1): Using r5 hash to sort names [pid 5363] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5057] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5368] 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 5059] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5367] close(4 [pid 5059] <... openat resumed>) = 3 [pid 5367] <... close resumed>) = 0 [pid 5059] newfstatat(3, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5367] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5367] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5059] getdents64(3, [pid 5057] unlink("./14/binderfs" [pid 5364] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5367] mkdir(".", 0777 [pid 5364] <... futex resumed>) = 0 [pid 5367] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5364] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... unlink resumed>) = 0 [pid 5367] 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 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5057] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./14/binderfs") = 0 [pid 5059] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5361] <... openat resumed>) = 6 [pid 5361] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5358] <... futex resumed>) = 0 [pid 5358] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5358] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5361] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5361] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5358] <... futex resumed>) = 0 [pid 5361] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5358] exit_group(0 [pid 5361] <... futex resumed>) = ? [pid 5358] <... exit_group resumed>) = ? [ 90.970211][ T5368] reiserfs: enabling write barrier flush mode [ 90.980485][ T5367] reiserfs: enabling write barrier flush mode [ 90.998050][ T5368] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5361] +++ exited with 0 +++ [pid 5358] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5368] <... mount resumed>) = 0 [pid 5368] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5060] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5368] chdir(".") = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] <... futex resumed>) = 1 [pid 5368] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5060] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5060] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5368] <... openat resumed>) = 5 [pid 5060] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5368] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] <... futex resumed>) = 1 [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] ftruncate(5, 100663296 [pid 5367] <... mount resumed>) = 0 [pid 5363] <... futex resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./14/binderfs", [pid 5368] <... ftruncate resumed>) = 0 [pid 5367] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5363] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 91.021383][ T5367] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5060] unlink("./14/binderfs" [pid 5367] <... openat resumed>) = 4 [pid 5062] <... umount2 resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5367] chdir(".") = 0 [pid 5367] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5367] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5364] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] <... openat resumed>) = 5 [pid 5364] <... futex resumed>) = 0 [pid 5364] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5367] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5368] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5367] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5368] <... futex resumed>) = 1 [pid 5367] ftruncate(5, 100663296 [pid 5364] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... futex resumed>) = 0 [pid 5368] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5367] <... ftruncate resumed>) = 0 [pid 5364] <... futex resumed>) = 0 [pid 5363] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5364] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5363] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5368] <... openat resumed>) = 6 [pid 5367] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5367] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5367] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5364] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5364] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5368] <... futex resumed>) = 1 [pid 5364] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5363] <... futex resumed>) = 0 [pid 5368] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5363] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] <... openat resumed>) = 7 [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 4 [pid 5368] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5363] <... futex resumed>) = 0 [pid 5363] exit_group(0) = ? [pid 5367] <... openat resumed>) = 6 [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 5367] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5368] +++ exited with 0 +++ [pid 5363] +++ exited with 0 +++ [pid 5062] getdents64(4, [pid 5057] <... umount2 resumed>) = 0 [pid 5367] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5364] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5364] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5061] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5364] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... close resumed>) = 0 [pid 5367] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5062] rmdir("./14/file0" [pid 5061] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5367] <... openat resumed>) = 7 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(3, "", [pid 5057] newfstatat(AT_FDCWD, "./14/file0", [pid 5367] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5367] <... futex resumed>) = 1 [pid 5364] <... futex resumed>) = 0 [pid 5061] getdents64(3, [pid 5057] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5367] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5364] exit_group(0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5367] <... futex resumed>) = ? [pid 5364] <... exit_group resumed>) = ? [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5367] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5062] getdents64(3, [pid 5061] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... openat resumed>) = 4 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(4, "", [pid 5062] close(3 [pid 5061] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5057] getdents64(4, [pid 5061] unlink("./15/binderfs" [pid 5058] <... restart_syscall resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(4, [pid 5061] <... unlink resumed>) = 0 [pid 5061] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] close(4 [pid 5062] <... close resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... close resumed>) = 0 [pid 5062] rmdir("./14" [pid 5058] <... openat resumed>) = 3 [pid 5058] newfstatat(3, "", [pid 5057] rmdir("./14/file0" [pid 5062] <... rmdir resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] unlink("./15/binderfs") = 0 [pid 5058] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3 [pid 5062] mkdir("./15", 0777) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5059] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] rmdir("./14" [pid 5062] <... openat resumed>) = 3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... rmdir resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5059] newfstatat(AT_FDCWD, "./14/file0", [pid 5057] mkdir("./15", 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 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... close resumed>) = 0 [pid 5062] close(3 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... close resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5374 attached [pid 5374] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5374] chdir("./15") = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5374 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5374] setpgid(0, 0) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5375 attached ) = 3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5374] write(3, "1000", 4) = 4 [pid 5374] close(3) = 0 [pid 5374] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5374] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5374] 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 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5375 [pid 5059] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5375] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] <... openat resumed>) = 4 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] chdir("./15" [pid 5059] newfstatat(4, "", [pid 5375] <... chdir resumed>) = 0 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5374] 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 5374] <... mmap resumed>) = 0x7fecab044000 [pid 5374] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5375] <... prctl resumed>) = 0 [pid 5374] <... mprotect resumed>) = 0 [pid 5059] getdents64(4, [pid 5375] setpgid(0, 0) = 0 [pid 5374] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5374] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5374] 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 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] getdents64(4, [pid 5374] <... clone3 resumed> => {parent_tid=[5376]}, 88) = 5376 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5376 attached [pid 5374] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] close(4 [pid 5376] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... close resumed>) = 0 [pid 5376] <... rseq resumed>) = 0 [pid 5374] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] rmdir("./14/file0" [pid 5376] set_robust_list(0x7fecab0649a0, 24 [pid 5374] <... futex resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5374] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5376] <... set_robust_list resumed>) = 0 [pid 5376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5376] memfd_create("syzkaller", 0) = 3 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5375] <... openat resumed>) = 3 [pid 5059] getdents64(3, [pid 5375] write(3, "1000", 4 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5375] <... write resumed>) = 4 [pid 5059] rmdir("./14" [pid 5375] close(3 [pid 5060] <... umount2 resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5375] <... close resumed>) = 0 [pid 5059] mkdir("./15", 0777 [pid 5375] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5375] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5375] <... futex resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5375] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] close(3 [pid 5375] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5375] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] <... close resumed>) = 0 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5377 attached ) = 0x7fecab044000 [pid 5375] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5377] set_robust_list(0x55555568a6a0, 24 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5377 [pid 5377] <... set_robust_list resumed>) = 0 [pid 5377] chdir("./15" [pid 5375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", [pid 5058] <... umount2 resumed>) = 0 [pid 5377] <... chdir resumed>) = 0 [pid 5375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5060] <... newfstatat resumed>{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, [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5375] 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] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] <... prctl resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./15/file0", [pid 5375] <... clone3 resumed> => {parent_tid=[5378]}, 88) = 5378 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] setpgid(0, 0 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5378 attached [pid 5375] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5378] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5377] <... setpgid resumed>) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] close(4 [pid 5058] newfstatat(AT_FDCWD, "./15/file0", [pid 5375] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5378] <... rseq resumed>) = 0 [pid 5058] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5378] set_robust_list(0x7fecab0649a0, 24 [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... openat resumed>) = 4 [pid 5060] <... close resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5378] <... set_robust_list resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 5060] rmdir("./14/file0" [pid 5058] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5060] getdents64(3, [pid 5058] newfstatat(4, "", [pid 5061] getdents64(4, [pid 5378] rt_sigprocmask(SIG_SETMASK, [], [pid 5377] <... openat resumed>) = 3 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] getdents64(4, [pid 5058] getdents64(4, [pid 5378] memfd_create("syzkaller", 0 [pid 5376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5378] <... memfd_create resumed>) = 3 [pid 5377] write(3, "1000", 4 [pid 5061] close(4 [pid 5058] getdents64(4, [pid 5378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5061] <... close resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5378] <... mmap resumed>) = 0x7feca2c44000 [pid 5377] <... write resumed>) = 4 [pid 5061] rmdir("./15/file0" [pid 5060] close(3 [pid 5058] close(4 [pid 5377] close(3 [pid 5058] <... close resumed>) = 0 [pid 5058] rmdir("./15/file0" [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./14" [pid 5058] <... rmdir resumed>) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5377] <... close resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5058] close(3 [pid 5377] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... close resumed>) = 0 [pid 5377] <... symlink resumed>) = 0 [pid 5058] rmdir("./15" [pid 5061] getdents64(3, [pid 5060] mkdir("./15", 0777 [pid 5058] <... rmdir resumed>) = 0 [pid 5058] mkdir("./16", 0777 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5061] close(3 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] <... mkdir resumed>) = 0 [pid 5377] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] close(3) = 0 [pid 5377] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5061] <... close resumed>) = 0 [pid 5377] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5061] rmdir("./15" [pid 5058] <... openat resumed>) = 3 [pid 5377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] <... rmdir resumed>) = 0 [pid 5058] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5379 attached [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] mkdir("./16", 0777 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5379 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5379] set_robust_list(0x55555568a6a0, 24 [pid 5377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] close(3 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5377] <... mmap resumed>) = 0x7fecab044000 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5380 attached , child_tidptr=0x55555568a690) = 5380 [pid 5379] chdir("./15" [pid 5377] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5379] <... chdir resumed>) = 0 [pid 5380] set_robust_list(0x55555568a6a0, 24 [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] <... mprotect resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5379] <... prctl resumed>) = 0 [pid 5379] setpgid(0, 0) = 0 [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5379] write(3, "1000", 4) = 4 [pid 5379] close(3) = 0 [pid 5379] symlink("/dev/binderfs", "./binderfs" [pid 5377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5380] <... set_robust_list resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5380] chdir("./16") = 0 [pid 5379] <... symlink resumed>) = 0 [pid 5377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] 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] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5380] <... prctl resumed>) = 0 [pid 5380] setpgid(0, 0) = 0 [pid 5061] close(3) = 0 ./strace-static-x86_64: Process 5381 attached [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5379] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5377] <... clone3 resumed> => {parent_tid=[5381]}, 88) = 5381 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5381] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5379] <... futex resumed>) = 0 [pid 5379] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5381] <... rseq resumed>) = 0 [pid 5380] <... openat resumed>) = 3 [pid 5379] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5381] set_robust_list(0x7fecab0649a0, 24 [pid 5380] write(3, "1000", 4 [pid 5379] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5377] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5382 attached [pid 5381] <... set_robust_list resumed>) = 0 [pid 5380] <... write resumed>) = 4 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5382 [pid 5382] set_robust_list(0x55555568a6a0, 24 [pid 5381] rt_sigprocmask(SIG_SETMASK, [], [pid 5380] close(3 [pid 5377] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... close resumed>) = 0 [pid 5377] <... futex resumed>) = 0 [pid 5381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5377] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5381] memfd_create("syzkaller", 0 [pid 5379] <... mmap resumed>) = 0x7fecab044000 [pid 5380] symlink("/dev/binderfs", "./binderfs" [pid 5379] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5380] <... symlink resumed>) = 0 [pid 5382] <... set_robust_list resumed>) = 0 [pid 5379] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5382] chdir("./16" [pid 5379] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5382] <... chdir resumed>) = 0 [pid 5381] <... memfd_create resumed>) = 3 [pid 5379] 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 5382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5383 attached [pid 5382] <... prctl resumed>) = 0 [pid 5379] <... clone3 resumed> => {parent_tid=[5383]}, 88) = 5383 [pid 5381] <... mmap resumed>) = 0x7feca2c44000 [pid 5383] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5382] setpgid(0, 0 [pid 5379] rt_sigprocmask(SIG_SETMASK, [], [pid 5383] <... rseq resumed>) = 0 [pid 5382] <... setpgid resumed>) = 0 [pid 5379] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5383] set_robust_list(0x7fecab0649a0, 24 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5379] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5380] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5383] memfd_create("syzkaller", 0) = 3 [pid 5382] <... openat resumed>) = 3 [pid 5379] <... futex resumed>) = 0 [pid 5383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5379] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5383] <... mmap resumed>) = 0x7feca2c44000 [pid 5382] write(3, "1000", 4) = 4 [pid 5382] close(3) = 0 [pid 5382] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5380] <... futex resumed>) = 0 [pid 5380] 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 5382] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5382] <... futex resumed>) = 0 [pid 5381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] <... write resumed>) = 4194304 [pid 5380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5382] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5380] <... mmap resumed>) = 0x7fecab044000 [pid 5382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5380] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5382] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5382] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5382] 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 5380] <... mprotect resumed>) = 0 [pid 5376] munmap(0x7feca2c44000, 138412032 [pid 5382] <... clone3 resumed> => {parent_tid=[5384]}, 88) = 5384 [pid 5382] rt_sigprocmask(SIG_SETMASK, [], [pid 5380] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5384 attached [pid 5382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5380] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5376] <... munmap resumed>) = 0 [pid 5384] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5382] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] 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 5382] <... futex resumed>) = 0 [pid 5382] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5380] <... clone3 resumed> => {parent_tid=[5385]}, 88) = 5385 [pid 5380] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5385 attached [pid 5384] <... rseq resumed>) = 0 [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5376] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5384] set_robust_list(0x7fecab0649a0, 24 [pid 5380] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5380] <... futex resumed>) = 0 [pid 5384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5380] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5384] memfd_create("syzkaller", 0) = 3 [pid 5385] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5385] <... rseq resumed>) = 0 [pid 5376] <... openat resumed>) = 4 [pid 5385] set_robust_list(0x7fecab0649a0, 24 [pid 5384] <... mmap resumed>) = 0x7feca2c44000 [pid 5376] ioctl(4, LOOP_SET_FD, 3 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5376] <... ioctl resumed>) = 0 [pid 5385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5385] memfd_create("syzkaller", 0 [pid 5383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5385] <... memfd_create resumed>) = 3 [pid 5385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5376] close(3) = 0 [pid 5376] mkdir("./file0", 0777) = 0 [ 91.576426][ T5376] loop0: detected capacity change from 0 to 8192 [pid 5376] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5378] <... write resumed>) = 4194304 [pid 5381] <... write resumed>) = 4194304 [pid 5381] munmap(0x7feca2c44000, 138412032) = 0 [ 91.633065][ T5376] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.647477][ T5376] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 91.656843][ T5376] REISERFS (device loop0): using ordered data mode [ 91.663825][ T5376] reiserfs: using flush barriers [pid 5384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5381] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5378] munmap(0x7feca2c44000, 138412032) = 0 [pid 5381] <... openat resumed>) = 4 [pid 5381] ioctl(4, LOOP_SET_FD, 3 [pid 5385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5378] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5378] ioctl(4, LOOP_SET_FD, 3 [pid 5381] <... ioctl resumed>) = 0 [pid 5381] close(3) = 0 [pid 5381] mkdir("./file0", 0777 [pid 5376] <... mount resumed>) = 0 [pid 5381] <... mkdir resumed>) = 0 [pid 5376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5381] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5376] <... openat resumed>) = 3 [pid 5378] <... ioctl resumed>) = 0 [pid 5378] close(3) = 0 [pid 5378] mkdir("./file0", 0777 [pid 5383] <... write resumed>) = 4194304 [pid 5378] <... mkdir resumed>) = 0 [pid 5376] chdir("./file0") = 0 [pid 5378] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 91.671457][ T5376] 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 [ 91.687248][ T5381] loop2: detected capacity change from 0 to 8192 [ 91.688894][ T5376] REISERFS (device loop0): checking transaction log (loop0) [ 91.703291][ T5378] loop5: detected capacity change from 0 to 8192 [ 91.711080][ T5376] REISERFS (device loop0): Using r5 hash to sort names [pid 5383] munmap(0x7feca2c44000, 138412032 [pid 5376] ioctl(4, LOOP_CLR_FD [pid 5383] <... munmap resumed>) = 0 [pid 5383] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5376] <... ioctl resumed>) = 0 [pid 5376] close(4 [pid 5383] <... openat resumed>) = 4 [pid 5376] <... close resumed>) = 0 [pid 5383] ioctl(4, LOOP_SET_FD, 3 [pid 5376] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5376] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5376] <... futex resumed>) = 0 [ 91.756564][ T5378] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.772281][ T5381] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.789456][ T5383] loop3: detected capacity change from 0 to 8192 [ 91.796313][ T5378] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5376] mkdir(".", 0777 [pid 5374] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5376] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5376] 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 5383] <... ioctl resumed>) = 0 [pid 5383] close(3 [pid 5384] <... write resumed>) = 4194304 [pid 5383] <... close resumed>) = 0 [pid 5383] mkdir("./file0", 0777) = 0 [pid 5383] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5384] munmap(0x7feca2c44000, 138412032) = 0 [pid 5384] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 91.815751][ T5381] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 91.826698][ T5376] reiserfs: enabling write barrier flush mode [ 91.837536][ T5378] REISERFS (device loop5): using ordered data mode [ 91.844086][ T5378] reiserfs: using flush barriers [ 91.846167][ T5381] REISERFS (device loop2): using ordered data mode [ 91.853885][ T5376] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5384] ioctl(4, LOOP_SET_FD, 3 [pid 5385] <... write resumed>) = 4194304 [pid 5385] munmap(0x7feca2c44000, 138412032) = 0 [pid 5385] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 91.876698][ T5381] reiserfs: using flush barriers [ 91.876818][ T5384] loop4: detected capacity change from 0 to 8192 [ 91.891774][ T5378] 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 [ 91.900455][ T5385] loop1: detected capacity change from 0 to 8192 [ 91.908350][ T5383] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5385] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5384] <... ioctl resumed>) = 0 [pid 5376] <... mount resumed>) = 0 [pid 5385] close(3 [pid 5384] close(3 [pid 5376] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5384] <... close resumed>) = 0 [pid 5376] <... openat resumed>) = 4 [pid 5384] mkdir("./file0", 0777 [pid 5376] chdir("." [pid 5384] <... mkdir resumed>) = 0 [pid 5376] <... chdir resumed>) = 0 [pid 5384] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5376] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5376] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5385] <... close resumed>) = 0 [pid 5385] mkdir("./file0", 0777) = 0 [pid 5385] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5374] <... futex resumed>) = 0 [pid 5374] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5376] <... futex resumed>) = 0 [pid 5374] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [ 91.917370][ T5378] REISERFS (device loop5): checking transaction log (loop5) [ 91.927990][ T5381] 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 [ 91.950907][ T5383] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 91.964349][ T5383] REISERFS (device loop3): using ordered data mode [pid 5376] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5374] <... futex resumed>) = 0 [pid 5378] <... mount resumed>) = 0 [ 91.974131][ T5383] reiserfs: using flush barriers [ 91.975405][ T5378] REISERFS (device loop5): Using r5 hash to sort names [ 91.987219][ T5384] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.990243][ T5381] REISERFS (device loop2): checking transaction log (loop2) [ 92.000280][ T5385] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 92.008704][ T5381] REISERFS (device loop2): Using r5 hash to sort names [pid 5381] <... mount resumed>) = 0 [pid 5378] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5376] ftruncate(5, 100663296 [pid 5374] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... openat resumed>) = 3 [pid 5374] <... futex resumed>) = 0 [pid 5378] chdir("./file0" [pid 5374] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] <... chdir resumed>) = 0 [pid 5378] ioctl(4, LOOP_CLR_FD) = 0 [pid 5378] close(4 [pid 5376] <... ftruncate resumed>) = 0 [pid 5378] <... close resumed>) = 0 [pid 5378] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5381] chdir("./file0") = 0 [pid 5381] ioctl(4, LOOP_CLR_FD) = 0 [ 92.024853][ T5384] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 92.028885][ T5385] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 92.037175][ T5383] 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 [ 92.046117][ T5385] REISERFS (device loop1): using ordered data mode [ 92.065480][ T5384] REISERFS (device loop4): using ordered data mode [pid 5381] close(4 [pid 5378] <... futex resumed>) = 1 [pid 5376] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5381] <... close resumed>) = 0 [pid 5378] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5376] <... futex resumed>) = 1 [pid 5375] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = 0 [pid 5381] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5376] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5375] <... futex resumed>) = 0 [pid 5374] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... futex resumed>) = 1 [pid 5377] <... futex resumed>) = 0 [pid 5376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5375] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5374] <... futex resumed>) = 0 [pid 5381] mkdir(".", 0777 [pid 5378] mkdir(".", 0777 [pid 5377] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5374] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5381] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5377] <... futex resumed>) = 0 [pid 5381] 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, "" [ 92.086934][ T5385] reiserfs: using flush barriers [ 92.098161][ T5381] reiserfs: enabling write barrier flush mode [ 92.104541][ T5384] reiserfs: using flush barriers [ 92.112721][ T5384] 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 5377] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5376] <... openat resumed>) = 6 [pid 5378] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5376] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5374] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] <... futex resumed>) = 0 [pid 5374] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5378] 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 5376] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5384] <... mount resumed>) = 0 [pid 5381] <... mount resumed>) = 0 [pid 5384] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5381] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5384] <... openat resumed>) = 3 [pid 5381] <... openat resumed>) = 4 [ 92.113326][ T5385] 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 [ 92.131225][ T5384] REISERFS (device loop4): checking transaction log (loop4) [ 92.156256][ T5378] reiserfs: enabling write barrier flush mode [ 92.163804][ T5381] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 92.174208][ T5384] REISERFS (device loop4): Using r5 hash to sort names [pid 5384] chdir("./file0" [pid 5381] chdir("." [pid 5384] <... chdir resumed>) = 0 [pid 5381] <... chdir resumed>) = 0 [pid 5384] ioctl(4, LOOP_CLR_FD [pid 5381] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... openat resumed>) = 7 [pid 5384] <... ioctl resumed>) = 0 [pid 5381] <... futex resumed>) = 1 [pid 5378] <... mount resumed>) = 0 [pid 5377] <... futex resumed>) = 0 [pid 5376] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5374] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5378] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5377] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5376] <... futex resumed>) = 0 [pid 5374] exit_group(0 [pid 5377] <... futex resumed>) = 0 [pid 5374] <... exit_group resumed>) = ? [pid 5381] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5377] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] +++ exited with 0 +++ [pid 5374] +++ exited with 0 +++ [pid 5378] <... openat resumed>) = 4 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5378] chdir("." [pid 5383] <... mount resumed>) = 0 [pid 5381] <... openat resumed>) = 5 [pid 5383] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5057] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5385] <... mount resumed>) = 0 [pid 5384] close(4 [pid 5381] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... chdir resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5383] <... openat resumed>) = 3 [pid 5381] <... futex resumed>) = 1 [pid 5378] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 0 [pid 5057] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5385] <... openat resumed>) = 3 [pid 5384] <... close resumed>) = 0 [pid 5383] chdir("./file0" [pid 5378] <... futex resumed>) = 1 [pid 5377] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5385] chdir("./file0" [pid 5384] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... chdir resumed>) = 0 [pid 5381] ftruncate(5, 100663296 [pid 5378] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] <... futex resumed>) = 0 [pid 5375] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] newfstatat(3, "", [pid 5385] <... chdir resumed>) = 0 [pid 5384] <... futex resumed>) = 1 [pid 5383] ioctl(4, LOOP_CLR_FD [pid 5382] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5385] ioctl(4, LOOP_CLR_FD [pid 5384] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] <... ioctl resumed>) = 0 [pid 5382] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5381] <... ftruncate resumed>) = 0 [pid 5378] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5375] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] getdents64(3, [pid 5385] <... ioctl resumed>) = 0 [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] close(4 [pid 5382] <... futex resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [ 92.181849][ T5383] REISERFS (device loop3): checking transaction log (loop3) [ 92.194586][ T5378] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 92.200381][ T5385] REISERFS (device loop1): checking transaction log (loop1) [ 92.205483][ T5383] REISERFS (device loop3): Using r5 hash to sort names [ 92.219484][ T5385] REISERFS (device loop1): Using r5 hash to sort names [pid 5382] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5378] <... openat resumed>) = 5 [pid 5057] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5378] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5378] <... futex resumed>) = 1 [pid 5375] <... futex resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5375] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5057] unlink("./15/binderfs" [pid 5375] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... unlink resumed>) = 0 [pid 5385] close(4 [pid 5378] ftruncate(5, 100663296 [pid 5057] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5385] <... close resumed>) = 0 [pid 5384] mkdir(".", 0777 [pid 5383] <... close resumed>) = 0 [pid 5381] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... ftruncate resumed>) = 0 [pid 5385] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5383] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = 1 [pid 5384] 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 5383] <... futex resumed>) = 1 [pid 5380] <... futex resumed>) = 0 [pid 5379] <... futex resumed>) = 0 [pid 5385] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5380] <... futex resumed>) = 0 [pid 5385] mkdir(".", 0777 [pid 5380] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5385] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5385] 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 5383] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5381] <... futex resumed>) = 1 [pid 5379] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5381] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] <... futex resumed>) = 0 [pid 5378] <... futex resumed>) = 1 [pid 5377] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5383] mkdir(".", 0777 [pid 5381] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5378] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] <... futex resumed>) = 0 [pid 5375] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5381] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5377] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] <... futex resumed>) = 0 [pid 5383] 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 5375] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 92.301910][ T5384] reiserfs: enabling write barrier flush mode [ 92.305635][ T5385] reiserfs: enabling write barrier flush mode [ 92.320647][ T5383] reiserfs: enabling write barrier flush mode [ 92.336820][ T5385] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5378] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 6 [ 92.347599][ T5384] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5385] <... mount resumed>) = 0 [pid 5384] <... mount resumed>) = 0 [pid 5381] <... openat resumed>) = 6 [pid 5377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5377] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5377] <... mmap resumed>) = 0x7fecab023000 [pid 5375] <... mmap resumed>) = 0x7fecab023000 [pid 5377] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5375] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5377] <... mprotect resumed>) = 0 [pid 5375] <... mprotect resumed>) = 0 [pid 5377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5375] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5375] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5377] 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 5375] 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 5378] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5393 attached ./strace-static-x86_64: Process 5392 attached [pid 5385] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5384] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5381] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = 0 [pid 5377] <... clone3 resumed> => {parent_tid=[5392]}, 88) = 5392 [pid 5375] <... clone3 resumed> => {parent_tid=[5393]}, 88) = 5393 [pid 5393] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5392] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5385] <... openat resumed>) = 4 [pid 5384] <... openat resumed>) = 4 [pid 5381] <... futex resumed>) = 0 [pid 5378] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] rt_sigprocmask(SIG_SETMASK, [], [pid 5375] rt_sigprocmask(SIG_SETMASK, [], [pid 5393] <... rseq resumed>) = 0 [pid 5392] <... rseq resumed>) = 0 [pid 5385] chdir("." [pid 5384] chdir("." [pid 5383] <... mount resumed>) = 0 [pid 5381] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5375] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5393] set_robust_list(0x7fecab0439a0, 24 [pid 5392] set_robust_list(0x7fecab0439a0, 24 [pid 5385] <... chdir resumed>) = 0 [pid 5384] <... chdir resumed>) = 0 [pid 5383] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5377] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5392] <... set_robust_list resumed>) = 0 [pid 5385] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = 0 [pid 5393] rt_sigprocmask(SIG_SETMASK, [], [pid 5392] rt_sigprocmask(SIG_SETMASK, [], [pid 5385] <... futex resumed>) = 1 [pid 5384] <... futex resumed>) = 1 [pid 5382] <... futex resumed>) = 0 [pid 5380] <... futex resumed>) = 0 [pid 5377] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5375] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5385] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] <... openat resumed>) = 4 [pid 5393] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5392] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] <... futex resumed>) = 0 [pid 5380] <... futex resumed>) = 0 [pid 5057] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5393] <... openat resumed>) = 7 [pid 5392] <... openat resumed>) = 7 [pid 5385] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5384] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5383] chdir("." [pid 5382] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5393] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5392] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5385] <... openat resumed>) = 5 [pid 5384] <... openat resumed>) = 5 [pid 5383] <... chdir resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5393] <... futex resumed>) = 1 [pid 5392] <... futex resumed>) = 1 [ 92.373443][ T5383] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5385] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5377] <... futex resumed>) = 0 [pid 5375] <... futex resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./15/file0", [pid 5393] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5392] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5385] <... futex resumed>) = 1 [pid 5384] <... futex resumed>) = 1 [pid 5383] <... futex resumed>) = 1 [pid 5382] <... futex resumed>) = 0 [pid 5380] <... futex resumed>) = 0 [pid 5379] <... futex resumed>) = 0 [pid 5377] exit_group(0 [pid 5375] exit_group(0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5383] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5378] <... futex resumed>) = ? [pid 5377] <... exit_group resumed>) = ? [pid 5375] <... exit_group resumed>) = ? [pid 5381] <... futex resumed>) = ? [pid 5057] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5392] <... futex resumed>) = ? [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5382] <... futex resumed>) = 0 [pid 5381] +++ exited with 0 +++ [pid 5380] <... futex resumed>) = 0 [pid 5379] <... futex resumed>) = 0 [pid 5378] +++ exited with 0 +++ [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5393] <... futex resumed>) = ? [pid 5392] +++ exited with 0 +++ [pid 5385] ftruncate(5, 100663296 [pid 5384] ftruncate(5, 100663296 [pid 5382] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5377] +++ exited with 0 +++ [pid 5393] +++ exited with 0 +++ [pid 5385] <... ftruncate resumed>) = 0 [pid 5383] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5375] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5057] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5383] <... openat resumed>) = 5 [pid 5057] <... openat resumed>) = 4 [pid 5383] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] newfstatat(4, "", [pid 5383] <... futex resumed>) = 1 [pid 5379] <... futex resumed>) = 0 [pid 5383] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5379] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] <... futex resumed>) = 0 [pid 5383] ftruncate(5, 100663296 [pid 5057] getdents64(4, [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5375, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5062] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", [pid 5059] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5384] <... ftruncate resumed>) = 0 [pid 5062] getdents64(3, [pid 5059] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... openat resumed>) = 3 [pid 5062] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] newfstatat(3, "", [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(4, [pid 5384] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5059] getdents64(3, [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5385] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... futex resumed>) = 1 [pid 5383] <... ftruncate resumed>) = 0 [pid 5382] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] close(4 [pid 5385] <... futex resumed>) = 1 [pid 5384] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5382] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... futex resumed>) = 0 [pid 5379] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] unlink("./15/binderfs" [pid 5059] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... close resumed>) = 0 [pid 5385] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5383] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] <... futex resumed>) = 0 [pid 5380] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... unlink resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] rmdir("./15/file0" [pid 5385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5384] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5383] <... futex resumed>) = 1 [pid 5382] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... futex resumed>) = 0 [pid 5379] <... futex resumed>) = 0 [pid 5062] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5385] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5383] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5379] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... rmdir resumed>) = 0 [pid 5383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5379] <... futex resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] getdents64(3, [pid 5383] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5379] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] unlink("./15/binderfs" [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3 [pid 5059] <... unlink resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./15" [pid 5059] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... rmdir resumed>) = 0 [pid 5057] mkdir("./16", 0777 [pid 5383] <... openat resumed>) = 6 [pid 5383] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5379] <... futex resumed>) = 0 [pid 5383] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5379] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5384] <... openat resumed>) = 6 [pid 5057] <... mkdir resumed>) = 0 [pid 5383] <... openat resumed>) = 7 [pid 5379] <... futex resumed>) = 0 [pid 5379] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5382] <... futex resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5384] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5383] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5382] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... openat resumed>) = 3 [pid 5382] <... futex resumed>) = 0 [pid 5382] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5383] <... futex resumed>) = 1 [pid 5379] <... futex resumed>) = 0 [pid 5379] exit_group(0 [pid 5384] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5384] <... openat resumed>) = 7 [pid 5383] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5379] <... exit_group resumed>) = ? [pid 5057] close(3 [pid 5384] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5383] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 5057] <... close resumed>) = 0 [pid 5384] <... futex resumed>) = 1 [pid 5382] <... futex resumed>) = 0 [pid 5380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5379, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5385] <... openat resumed>) = 6 [pid 5382] exit_group(0 [pid 5380] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5382] <... exit_group resumed>) = ? [pid 5380] <... futex resumed>) = 0 [pid 5380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5380] <... mmap resumed>) = 0x7fecab023000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5380] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5060] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5380] <... mprotect resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5380] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] newfstatat(3, "", ./strace-static-x86_64: Process 5394 attached [pid 5385] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5380] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5394 [pid 5380] 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] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5380] <... clone3 resumed> => {parent_tid=[5395]}, 88) = 5395 [pid 5060] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5380] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5384] +++ exited with 0 +++ [pid 5382] +++ exited with 0 +++ [pid 5380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] newfstatat(AT_FDCWD, "./15/binderfs", [pid 5385] <... futex resumed>) = 0 [pid 5380] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5385] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5380] <... futex resumed>) = 0 [pid 5060] unlink("./15/binderfs"./strace-static-x86_64: Process 5395 attached [pid 5394] set_robust_list(0x55555568a6a0, 24 [pid 5380] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5060] <... unlink resumed>) = 0 [pid 5395] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5394] <... set_robust_list resumed>) = 0 [pid 5061] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5395] <... rseq resumed>) = 0 [pid 5394] chdir("./16" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5395] set_robust_list(0x7fecab0439a0, 24 [pid 5061] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5394] <... chdir resumed>) = 0 [pid 5395] <... set_robust_list resumed>) = 0 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... openat resumed>) = 3 [pid 5395] rt_sigprocmask(SIG_SETMASK, [], [pid 5394] <... prctl resumed>) = 0 [pid 5395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5395] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5394] setpgid(0, 0 [pid 5395] <... openat resumed>) = 7 [pid 5061] newfstatat(3, "", [pid 5395] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... setpgid resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5380] <... futex resumed>) = 0 [pid 5380] exit_group(0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5385] <... futex resumed>) = ? [pid 5380] <... exit_group resumed>) = ? [pid 5385] +++ exited with 0 +++ [pid 5061] getdents64(3, [pid 5395] <... futex resumed>) = ? [pid 5395] +++ exited with 0 +++ [pid 5380] +++ exited with 0 +++ [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5394] <... openat resumed>) = 3 [pid 5061] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5394] write(3, "1000", 4 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = 0 [pid 5394] <... write resumed>) = 4 [pid 5061] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5394] close(3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5394] <... close resumed>) = 0 [pid 5061] unlink("./16/binderfs" [pid 5058] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5394] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... openat resumed>) = 3 [pid 5062] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5394] <... symlink resumed>) = 0 [pid 5058] newfstatat(3, "", [pid 5394] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5058] getdents64(3, [pid 5394] 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 5394] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5394] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5394] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5062] newfstatat(AT_FDCWD, "./15/file0", [pid 5394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] unlink("./16/binderfs" [pid 5394] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5396 attached [pid 5062] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... unlink resumed>) = 0 [pid 5394] <... clone3 resumed> => {parent_tid=[5396]}, 88) = 5396 [pid 5396] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5062] <... openat resumed>) = 4 [pid 5059] <... umount2 resumed>) = 0 [pid 5058] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5396] <... rseq resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 5396] set_robust_list(0x7fecab0649a0, 24 [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5396] <... set_robust_list resumed>) = 0 [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5396] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5394] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(4 [pid 5059] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... close resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./15/file0", [pid 5062] rmdir("./15/file0" [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5059] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] getdents64(3, [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5396] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 1 [pid 5059] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5396] memfd_create("syzkaller", 0 [pid 5394] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5059] newfstatat(4, "", [pid 5396] <... memfd_create resumed>) = 3 [pid 5062] close(3 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] <... close resumed>) = 0 [pid 5059] getdents64(4, [pid 5396] <... mmap resumed>) = 0x7feca2c44000 [pid 5062] rmdir("./15") = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, [pid 5062] mkdir("./16", 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 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5397 [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./15/file0"./strace-static-x86_64: Process 5397 attached [pid 5397] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5397] chdir("./16" [pid 5059] <... rmdir resumed>) = 0 [pid 5397] <... chdir resumed>) = 0 [pid 5397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5397] setpgid(0, 0 [pid 5059] getdents64(3, [pid 5397] <... setpgid resumed>) = 0 [pid 5397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5059] rmdir("./15" [pid 5397] <... openat resumed>) = 3 [pid 5397] write(3, "1000", 4) = 4 [pid 5059] <... rmdir resumed>) = 0 [pid 5397] close(3 [pid 5059] mkdir("./16", 0777 [pid 5397] <... close resumed>) = 0 [pid 5397] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5397] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... openat resumed>) = 3 [pid 5397] <... futex resumed>) = 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5397] 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 5397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5397] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5397] 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=[5398]}, 88) = 5398 [pid 5059] close(3 [pid 5397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5397] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5397] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5398 attached [pid 5398] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5398] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5398] memfd_create("syzkaller", 0) = 3 [pid 5398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] <... close resumed>) = 0 [pid 5398] <... mmap resumed>) = 0x7feca2c44000 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5399 attached , child_tidptr=0x55555568a690) = 5399 [pid 5399] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5399] chdir("./16" [pid 5061] <... umount2 resumed>) = 0 [pid 5399] <... chdir resumed>) = 0 [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5399] <... prctl resumed>) = 0 [pid 5399] setpgid(0, 0) = 0 [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5399] <... openat resumed>) = 3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./16/file0", [pid 5060] <... umount2 resumed>) = 0 [pid 5399] write(3, "1000", 4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5399] <... write resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5399] close(3 [pid 5061] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./15/file0", [pid 5399] <... close resumed>) = 0 [pid 5058] <... umount2 resumed>) = 0 [pid 5058] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5399] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] newfstatat(AT_FDCWD, "./16/file0", [pid 5061] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5399] <... symlink resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5399] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5399] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] newfstatat(4, "", [pid 5060] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5399] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5399] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5061] getdents64(4, [pid 5060] newfstatat(4, "", [pid 5058] <... openat resumed>) = 4 [pid 5399] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, [pid 5060] getdents64(4, [pid 5058] newfstatat(4, "", [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5399] <... mmap resumed>) = 0x7fecab044000 [pid 5061] close(4 [pid 5058] getdents64(4, [pid 5399] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5061] <... close resumed>) = 0 [pid 5060] getdents64(4, [pid 5061] rmdir("./16/file0" [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5399] <... mprotect resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] close(4 [pid 5399] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] getdents64(3, [pid 5060] <... close resumed>) = 0 [pid 5058] getdents64(4, [pid 5399] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] rmdir("./15/file0" [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5399] 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] close(3 [pid 5060] <... rmdir resumed>) = 0 [pid 5058] close(4./strace-static-x86_64: Process 5400 attached [pid 5061] <... close resumed>) = 0 [pid 5060] getdents64(3, [pid 5400] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5399] <... clone3 resumed> => {parent_tid=[5400]}, 88) = 5400 [pid 5061] rmdir("./16" [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] <... close resumed>) = 0 [pid 5400] <... rseq resumed>) = 0 [pid 5399] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... rmdir resumed>) = 0 [pid 5060] close(3 [pid 5400] set_robust_list(0x7fecab0649a0, 24 [pid 5399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... close resumed>) = 0 [pid 5058] rmdir("./16/file0" [pid 5400] <... set_robust_list resumed>) = 0 [pid 5399] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] rmdir("./15" [pid 5400] rt_sigprocmask(SIG_SETMASK, [], [pid 5399] <... futex resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5399] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] mkdir("./16", 0777 [pid 5400] memfd_create("syzkaller", 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5058] getdents64(3, [pid 5400] <... memfd_create resumed>) = 3 [pid 5400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5400] <... mmap resumed>) = 0x7feca2c44000 [pid 5061] mkdir("./17", 0777 [pid 5060] <... openat resumed>) = 3 [pid 5058] close(3 [pid 5061] <... mkdir resumed>) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5058] <... close resumed>) = 0 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] rmdir("./16" [pid 5060] close(3 [pid 5396] <... write resumed>) = 4194304 [pid 5060] <... close resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5401 attached [pid 5396] munmap(0x7feca2c44000, 138412032 [pid 5061] <... openat resumed>) = 3 [pid 5058] mkdir("./17", 0777 [pid 5401] set_robust_list(0x55555568a6a0, 24 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5401 [pid 5401] <... set_robust_list resumed>) = 0 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5401] chdir("./16" [pid 5061] close(3 [pid 5401] <... chdir resumed>) = 0 [pid 5396] <... munmap resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5396] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5396] <... openat resumed>) = 4 [pid 5058] <... openat resumed>) = 3 [pid 5396] ioctl(4, LOOP_SET_FD, 3 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5402 [pid 5058] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5402 attached [pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5402] set_robust_list(0x55555568a6a0, 24 [pid 5401] <... prctl resumed>) = 0 [pid 5401] setpgid(0, 0) = 0 [pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5402] chdir("./17" [pid 5401] write(3, "1000", 4 [pid 5402] <... chdir resumed>) = 0 [pid 5401] <... write resumed>) = 4 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] close(3 [pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5396] <... ioctl resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5402] <... prctl resumed>) = 0 [pid 5402] setpgid(0, 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5402] <... setpgid resumed>) = 0 [pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5401] close(3) = 0 [pid 5401] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5401] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5403 attached [pid 5402] write(3, "1000", 4 [pid 5401] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5396] close(3 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5403 [pid 5402] <... write resumed>) = 4 [pid 5401] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5396] <... close resumed>) = 0 [pid 5403] set_robust_list(0x55555568a6a0, 24 [pid 5396] mkdir("./file0", 0777 [pid 5403] <... set_robust_list resumed>) = 0 [pid 5403] chdir("./17" [pid 5402] close(3 [pid 5401] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5402] <... close resumed>) = 0 [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] <... chdir resumed>) = 0 [pid 5402] symlink("/dev/binderfs", "./binderfs" [pid 5401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5396] <... mkdir resumed>) = 0 [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5402] <... symlink resumed>) = 0 [pid 5401] <... mmap resumed>) = 0x7fecab044000 [pid 5396] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5403] <... prctl resumed>) = 0 [pid 5402] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5402] <... futex resumed>) = 0 [pid 5401] <... mprotect resumed>) = 0 [pid 5403] setpgid(0, 0 [pid 5402] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5403] <... setpgid resumed>) = 0 [pid 5402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5401] 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 5403] <... openat resumed>) = 3 [pid 5402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5405 attached ) = 0x7fecab044000 [pid 5401] <... clone3 resumed> => {parent_tid=[5405]}, 88) = 5405 [pid 5405] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5402] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5401] rt_sigprocmask(SIG_SETMASK, [], [pid 5405] <... rseq resumed>) = 0 [pid 5402] <... mprotect resumed>) = 0 [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] write(3, "1000", 4) = 4 [pid 5402] rt_sigprocmask(SIG_BLOCK, ~[], [ 92.901224][ T5396] loop0: detected capacity change from 0 to 8192 [pid 5401] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] set_robust_list(0x7fecab0649a0, 24 [pid 5403] close(3 [pid 5402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5401] <... futex resumed>) = 0 [pid 5398] <... write resumed>) = 4194304 [pid 5405] <... set_robust_list resumed>) = 0 [pid 5402] 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 5401] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5398] munmap(0x7feca2c44000, 138412032 [pid 5405] rt_sigprocmask(SIG_SETMASK, [], [pid 5398] <... munmap resumed>) = 0 [pid 5405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] <... close resumed>) = 0 [pid 5402] <... clone3 resumed> => {parent_tid=[5406]}, 88) = 5406 [pid 5405] memfd_create("syzkaller", 0 [pid 5403] symlink("/dev/binderfs", "./binderfs" [pid 5402] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5406 attached [pid 5403] <... symlink resumed>) = 0 [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5405] <... memfd_create resumed>) = 3 [pid 5402] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5402] <... futex resumed>) = 0 [pid 5398] <... openat resumed>) = 4 [pid 5406] set_robust_list(0x7fecab0649a0, 24 [pid 5405] <... mmap resumed>) = 0x7feca2c44000 [pid 5402] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5406] <... set_robust_list resumed>) = 0 [pid 5403] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] rt_sigprocmask(SIG_SETMASK, [], [pid 5403] <... futex resumed>) = 0 [pid 5398] ioctl(4, LOOP_SET_FD, 3 [pid 5406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5403] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5398] <... ioctl resumed>) = 0 [pid 5406] memfd_create("syzkaller", 0 [pid 5403] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5406] <... memfd_create resumed>) = 3 [pid 5403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5403] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5406] <... mmap resumed>) = 0x7feca2c44000 [pid 5403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5398] close(3 [pid 5403] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5398] <... close resumed>) = 0 [pid 5403] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5398] mkdir("./file0", 0777 [pid 5403] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5403] 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 5398] <... mkdir resumed>) = 0 [pid 5400] <... write resumed>) = 4194304 [pid 5398] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5400] munmap(0x7feca2c44000, 138412032) = 0 [pid 5400] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5408 attached [pid 5408] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5400] <... openat resumed>) = 4 [ 92.964622][ T5396] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 92.984842][ T5398] loop5: detected capacity change from 0 to 8192 [ 92.991365][ T5396] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 93.000870][ T5396] REISERFS (device loop0): using ordered data mode [ 93.008210][ T5396] reiserfs: using flush barriers [pid 5408] <... rseq resumed>) = 0 [pid 5400] ioctl(4, LOOP_SET_FD, 3 [pid 5408] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5408] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] <... clone3 resumed> => {parent_tid=[5408]}, 88) = 5408 [pid 5403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5403] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 0 [pid 5403] <... futex resumed>) = 1 [pid 5408] memfd_create("syzkaller", 0 [pid 5403] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5408] <... memfd_create resumed>) = 3 [pid 5406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5400] <... ioctl resumed>) = 0 [pid 5400] close(3 [pid 5408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5400] <... close resumed>) = 0 [pid 5400] mkdir("./file0", 0777) = 0 [ 93.040726][ T5400] loop2: detected capacity change from 0 to 8192 [ 93.047343][ T5398] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.060532][ T5396] 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 [ 93.078789][ T5398] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5400] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 93.109233][ T5400] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.109467][ T5396] REISERFS (device loop0): checking transaction log (loop0) [ 93.143397][ T5400] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 93.144519][ T5398] REISERFS (device loop5): using ordered data mode [pid 5408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5406] <... write resumed>) = 4194304 [pid 5406] munmap(0x7feca2c44000, 138412032) = 0 [pid 5406] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5405] <... write resumed>) = 4194304 [ 93.186090][ T5400] REISERFS (device loop2): using ordered data mode [ 93.194904][ T5398] reiserfs: using flush barriers [ 93.197238][ T5396] REISERFS (device loop0): Using r5 hash to sort names [ 93.207624][ T5398] 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 [ 93.213166][ T5400] reiserfs: using flush barriers [ 93.227785][ T5398] REISERFS (device loop5): checking transaction log (loop5) [pid 5406] ioctl(4, LOOP_SET_FD, 3 [pid 5405] munmap(0x7feca2c44000, 138412032 [pid 5396] <... mount resumed>) = 0 [pid 5405] <... munmap resumed>) = 0 [pid 5396] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5396] chdir("./file0") = 0 [pid 5405] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5396] ioctl(4, LOOP_CLR_FD [pid 5405] <... openat resumed>) = 4 [pid 5396] <... ioctl resumed>) = 0 [pid 5405] ioctl(4, LOOP_SET_FD, 3 [pid 5396] close(4 [pid 5408] <... write resumed>) = 4194304 [pid 5406] <... ioctl resumed>) = 0 [pid 5398] <... mount resumed>) = 0 [pid 5396] <... close resumed>) = 0 [pid 5408] munmap(0x7feca2c44000, 138412032 [pid 5406] close(3 [ 93.246335][ T5406] loop4: detected capacity change from 0 to 8192 [ 93.253611][ T5398] REISERFS (device loop5): Using r5 hash to sort names [ 93.263951][ T5405] loop3: detected capacity change from 0 to 8192 [ 93.275859][ T5400] 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 5398] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5406] <... close resumed>) = 0 [pid 5405] <... ioctl resumed>) = 0 [pid 5396] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... munmap resumed>) = 0 [pid 5406] mkdir("./file0", 0777 [pid 5405] close(3 [pid 5398] <... openat resumed>) = 3 [pid 5396] <... futex resumed>) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5396] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5394] <... futex resumed>) = 0 [pid 5398] chdir("./file0" [pid 5396] mkdir(".", 0777 [pid 5394] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5398] <... chdir resumed>) = 0 [pid 5396] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5398] ioctl(4, LOOP_CLR_FD [pid 5396] 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 5408] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5406] <... mkdir resumed>) = 0 [pid 5398] <... ioctl resumed>) = 0 [pid 5398] close(4) = 0 [pid 5405] <... close resumed>) = 0 [pid 5398] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] mkdir("./file0", 0777 [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = 0 [pid 5405] <... mkdir resumed>) = 0 [pid 5398] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5397] <... futex resumed>) = 0 [pid 5398] mkdir(".", 0777 [pid 5397] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5408] <... openat resumed>) = 4 [pid 5406] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5405] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5398] <... mkdir resumed>) = -1 EEXIST (File exists) [ 93.287659][ T5396] reiserfs: enabling write barrier flush mode [ 93.294011][ T5400] REISERFS (device loop2): checking transaction log (loop2) [ 93.308454][ T5400] REISERFS (device loop2): Using r5 hash to sort names [ 93.312328][ T5398] reiserfs: enabling write barrier flush mode [ 93.315755][ T5408] loop1: detected capacity change from 0 to 8192 [ 93.324732][ T5398] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5408] ioctl(4, LOOP_SET_FD, 3 [pid 5398] 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 5408] <... ioctl resumed>) = 0 [pid 5400] <... mount resumed>) = 0 [pid 5408] close(3 [pid 5400] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5408] <... close resumed>) = 0 [pid 5400] <... openat resumed>) = 3 [pid 5408] mkdir("./file0", 0777 [pid 5400] chdir("./file0") = 0 [pid 5408] <... mkdir resumed>) = 0 [pid 5400] ioctl(4, LOOP_CLR_FD [pid 5408] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5400] <... ioctl resumed>) = 0 [pid 5400] close(4) = 0 [pid 5400] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5400] mkdir(".", 0777 [pid 5399] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5399] <... futex resumed>) = 0 [pid 5400] 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, "" [ 93.333268][ T5406] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.356201][ T5396] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 93.368061][ T5406] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 93.378286][ T5406] REISERFS (device loop4): using ordered data mode [ 93.379144][ T5400] reiserfs: enabling write barrier flush mode [ 93.385331][ T5406] reiserfs: using flush barriers [pid 5399] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5398] <... mount resumed>) = 0 [pid 5396] <... mount resumed>) = 0 [pid 5398] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5396] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [ 93.397615][ T5408] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.399746][ T5405] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.410693][ T5408] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 93.410807][ T5408] REISERFS (device loop1): using ordered data mode [pid 5398] <... openat resumed>) = 4 [pid 5396] chdir("." [pid 5398] chdir("." [pid 5396] <... chdir resumed>) = 0 [ 93.447142][ T5408] reiserfs: using flush barriers [ 93.453319][ T5406] 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 [ 93.464817][ T5405] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 93.470607][ T5408] 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 5398] <... chdir resumed>) = 0 [pid 5396] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = 0 [pid 5396] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5394] <... futex resumed>) = 0 [pid 5398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5397] <... futex resumed>) = 0 [pid 5396] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5394] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5398] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [ 93.479695][ T5405] REISERFS (device loop3): using ordered data mode [ 93.506484][ T5405] reiserfs: using flush barriers [ 93.513796][ T5406] REISERFS (device loop4): checking transaction log (loop4) [ 93.522381][ T5405] 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 [ 93.523464][ T5400] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5397] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5398] <... openat resumed>) = 5 [pid 5396] <... openat resumed>) = 5 [pid 5398] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5398] <... futex resumed>) = 1 [pid 5396] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] <... futex resumed>) = 0 [pid 5394] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5394] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5397] <... futex resumed>) = 0 [pid 5397] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5397] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5396] ftruncate(5, 100663296 [pid 5398] ftruncate(5, 100663296 [pid 5400] <... mount resumed>) = 0 [pid 5400] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5400] chdir(".") = 0 [pid 5400] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5400] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5399] <... futex resumed>) = 0 [pid 5399] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5394] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5394] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... futex resumed>) = 0 [pid 5397] <... futex resumed>) = 0 [pid 5394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5394] <... mmap resumed>) = 0x7fecab023000 [pid 5397] <... mmap resumed>) = 0x7fecab023000 [pid 5397] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5394] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5397] <... mprotect resumed>) = 0 [pid 5394] <... mprotect resumed>) = 0 [pid 5400] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5394] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5394] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5397] 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 5396] <... ftruncate resumed>) = 0 [pid 5394] 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 5414 attached ./strace-static-x86_64: Process 5413 attached [pid 5400] <... openat resumed>) = 5 [pid 5398] <... ftruncate resumed>) = 0 [pid 5414] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5413] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5397] <... clone3 resumed> => {parent_tid=[5413]}, 88) = 5413 [pid 5396] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] <... clone3 resumed> => {parent_tid=[5414]}, 88) = 5414 [pid 5414] <... rseq resumed>) = 0 [pid 5413] <... rseq resumed>) = 0 [pid 5397] rt_sigprocmask(SIG_SETMASK, [], [pid 5396] <... futex resumed>) = 0 [pid 5394] rt_sigprocmask(SIG_SETMASK, [], [pid 5400] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] set_robust_list(0x7fecab0439a0, 24 [pid 5413] set_robust_list(0x7fecab0439a0, 24 [pid 5408] <... mount resumed>) = 0 [pid 5398] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5396] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5414] <... set_robust_list resumed>) = 0 [pid 5413] <... set_robust_list resumed>) = 0 [pid 5397] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] rt_sigprocmask(SIG_SETMASK, [], [pid 5413] rt_sigprocmask(SIG_SETMASK, [], [pid 5397] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 0 [pid 5414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5400] <... futex resumed>) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5397] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5394] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5413] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5399] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] ftruncate(5, 100663296 [pid 5408] <... openat resumed>) = 3 [pid 5406] <... mount resumed>) = 0 [pid 5405] <... mount resumed>) = 0 [pid 5399] <... futex resumed>) = 0 [pid 5398] <... futex resumed>) = 0 [pid 5408] chdir("./file0" [pid 5406] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5405] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5398] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5408] <... chdir resumed>) = 0 [pid 5406] <... openat resumed>) = 3 [pid 5405] <... openat resumed>) = 3 [pid 5400] <... ftruncate resumed>) = 0 [pid 5399] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] ioctl(4, LOOP_CLR_FD [pid 5406] chdir("./file0" [pid 5405] chdir("./file0" [pid 5408] <... ioctl resumed>) = 0 [pid 5406] <... chdir resumed>) = 0 [pid 5405] <... chdir resumed>) = 0 [pid 5408] close(4 [pid 5406] ioctl(4, LOOP_CLR_FD [pid 5405] ioctl(4, LOOP_CLR_FD [pid 5400] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5414] <... openat resumed>) = 6 [pid 5413] <... openat resumed>) = 6 [pid 5408] <... close resumed>) = 0 [pid 5400] <... futex resumed>) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5399] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 93.552700][ T5408] REISERFS (device loop1): checking transaction log (loop1) [ 93.563842][ T5405] REISERFS (device loop3): checking transaction log (loop3) [ 93.564270][ T5406] REISERFS (device loop4): Using r5 hash to sort names [ 93.581798][ T5408] REISERFS (device loop1): Using r5 hash to sort names [ 93.583199][ T5405] REISERFS (device loop3): Using r5 hash to sort names [pid 5399] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5408] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5406] <... ioctl resumed>) = 0 [pid 5405] <... ioctl resumed>) = 0 [pid 5403] <... futex resumed>) = 0 [pid 5408] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] close(4 [pid 5403] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5405] <... close resumed>) = 0 [pid 5403] <... futex resumed>) = 0 [pid 5408] mkdir(".", 0777 [pid 5406] close(4 [pid 5405] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5408] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5406] <... close resumed>) = 0 [pid 5405] <... futex resumed>) = 1 [pid 5408] 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 5406] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5413] <... futex resumed>) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5397] <... futex resumed>) = 0 [pid 5413] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5401] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5397] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 1 [pid 5405] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = 1 [pid 5398] <... futex resumed>) = 0 [pid 5397] <... futex resumed>) = 1 [pid 5406] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] mkdir(".", 0777 [pid 5401] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5398] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5397] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5414] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5402] <... futex resumed>) = 0 [pid 5414] <... futex resumed>) = 1 [pid 5405] 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 5402] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5398] <... openat resumed>) = 7 [pid 5394] <... futex resumed>) = 0 [pid 5414] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] <... futex resumed>) = 0 [pid 5402] <... futex resumed>) = 1 [pid 5398] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5394] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] mkdir(".", 0777 [pid 5402] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5398] <... futex resumed>) = 1 [pid 5397] <... futex resumed>) = 0 [pid 5394] <... futex resumed>) = 1 [pid 5406] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5398] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5397] exit_group(0 [pid 5394] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5413] <... futex resumed>) = ? [pid 5406] 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 5398] <... futex resumed>) = ? [pid 5397] <... exit_group resumed>) = ? [pid 5396] <... futex resumed>) = 0 [pid 5413] +++ exited with 0 +++ [pid 5400] <... openat resumed>) = 6 [pid 5396] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5396] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5394] <... futex resumed>) = 0 [pid 5398] +++ exited with 0 +++ [pid 5397] +++ exited with 0 +++ [pid 5396] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5394] exit_group(0 [pid 5414] <... futex resumed>) = ? [pid 5400] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5396] <... futex resumed>) = ? [pid 5394] <... exit_group resumed>) = ? [pid 5414] +++ exited with 0 +++ [pid 5400] <... futex resumed>) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5396] +++ exited with 0 +++ [pid 5394] +++ exited with 0 +++ [pid 5400] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5399] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5400] <... openat resumed>) = 7 [pid 5399] <... futex resumed>) = 0 [pid 5399] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5400] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5397, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5400] <... futex resumed>) = 1 [pid 5399] <... futex resumed>) = 0 [pid 5057] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5399] exit_group(0) = ? [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... openat resumed>) = 3 [pid 5062] <... openat resumed>) = 3 [pid 5057] newfstatat(3, "", [pid 5062] newfstatat(3, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5062] getdents64(3, [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5400] +++ exited with 0 +++ [pid 5399] +++ exited with 0 +++ [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] unlink("./16/binderfs" [pid 5062] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5399, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 5057] <... unlink resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] unlink("./16/binderfs" [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... unlink resumed>) = 0 [pid 5059] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 93.638366][ T5408] reiserfs: enabling write barrier flush mode [ 93.649922][ T5405] reiserfs: enabling write barrier flush mode [ 93.661040][ T5406] reiserfs: enabling write barrier flush mode [ 93.670469][ T5405] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 93.672314][ T5408] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5062] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [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 5405] <... mount resumed>) = 0 [pid 5059] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5405] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5405] <... openat resumed>) = 4 [pid 5059] newfstatat(AT_FDCWD, "./16/binderfs", [pid 5405] chdir("." [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5405] <... chdir resumed>) = 0 [pid 5405] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] unlink("./16/binderfs" [pid 5405] <... futex resumed>) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5059] <... unlink resumed>) = 0 [pid 5405] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5401] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5405] <... openat resumed>) = 5 [pid 5401] <... futex resumed>) = 0 [pid 5401] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] <... mount resumed>) = 0 [pid 5405] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5401] <... futex resumed>) = 0 [pid 5401] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5401] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5405] ftruncate(5, 100663296 [pid 5408] chdir(".") = 0 [ 93.710538][ T5406] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5408] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... ftruncate resumed>) = 0 [pid 5408] <... futex resumed>) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5403] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5403] <... futex resumed>) = 0 [pid 5408] <... openat resumed>) = 5 [pid 5403] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5406] <... mount resumed>) = 0 [pid 5403] <... futex resumed>) = 0 [pid 5408] ftruncate(5, 100663296 [pid 5406] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5403] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... openat resumed>) = 4 [pid 5403] <... futex resumed>) = 0 [pid 5406] chdir("." [pid 5403] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5406] <... chdir resumed>) = 0 [pid 5406] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5402] <... futex resumed>) = 0 [pid 5402] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5402] <... futex resumed>) = 0 [pid 5401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5406] <... openat resumed>) = 5 [pid 5402] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5405] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... mmap resumed>) = 0x7fecab023000 [pid 5406] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5405] <... futex resumed>) = 0 [pid 5401] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5406] <... futex resumed>) = 1 [pid 5402] <... futex resumed>) = 0 [pid 5401] <... mprotect resumed>) = 0 [pid 5402] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5406] ftruncate(5, 100663296 [pid 5402] <... futex resumed>) = 0 [pid 5401] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5405] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5402] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] 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=[5415]}, 88) = 5415 [pid 5408] <... ftruncate resumed>) = 0 [pid 5401] rt_sigprocmask(SIG_SETMASK, [], [pid 5408] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5408] <... futex resumed>) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5401] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5415 attached [pid 5408] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5403] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5401] <... futex resumed>) = 0 [pid 5403] <... futex resumed>) = 0 [pid 5415] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5403] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5401] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5415] <... rseq resumed>) = 0 [pid 5415] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5408] <... openat resumed>) = 6 [pid 5406] <... ftruncate resumed>) = 0 [pid 5415] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5408] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5402] <... futex resumed>) = 0 [pid 5408] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5403] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5408] <... openat resumed>) = 7 [pid 5403] <... futex resumed>) = 0 [pid 5402] <... mmap resumed>) = 0x7fecab023000 [pid 5401] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5406] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5402] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5401] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 0 [pid 5405] <... futex resumed>) = 0 [pid 5402] <... mprotect resumed>) = 0 [pid 5401] <... futex resumed>) = 1 [pid 5406] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5405] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5401] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5402] 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 5416 attached [pid 5415] <... openat resumed>) = 6 [pid 5405] <... openat resumed>) = 7 [pid 5405] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... clone3 resumed> => {parent_tid=[5416]}, 88) = 5416 [pid 5405] <... futex resumed>) = 1 [pid 5402] rt_sigprocmask(SIG_SETMASK, [], [pid 5401] <... futex resumed>) = 0 [pid 5405] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5402] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5402] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5402] <... futex resumed>) = 0 [pid 5416] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5415] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5408] <... futex resumed>) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5402] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] <... rseq resumed>) = 0 [pid 5415] <... futex resumed>) = 0 [pid 5408] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] exit_group(0 [pid 5401] exit_group(0 [pid 5416] set_robust_list(0x7fecab0439a0, 24 [pid 5408] <... futex resumed>) = ? [pid 5405] <... futex resumed>) = ? [pid 5403] <... exit_group resumed>) = ? [pid 5401] <... exit_group resumed>) = ? [pid 5416] <... set_robust_list resumed>) = 0 [pid 5415] +++ exited with 0 +++ [pid 5408] +++ exited with 0 +++ [pid 5405] +++ exited with 0 +++ [pid 5403] +++ exited with 0 +++ [pid 5401] +++ exited with 0 +++ [pid 5416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5416] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5401, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5060] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5060] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5060] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5403, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5060] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... restart_syscall resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] unlink("./16/binderfs" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... unlink resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... openat resumed>) = 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("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] unlink("./17/binderfs") = 0 [pid 5058] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5402] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] <... futex resumed>) = 0 [pid 5402] <... futex resumed>) = 1 [pid 5406] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5402] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... umount2 resumed>) = 0 [pid 5416] <... openat resumed>) = 6 [pid 5406] <... openat resumed>) = 7 [pid 5062] <... umount2 resumed>) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5057] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... openat resumed>) = 4 [pid 5416] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5406] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] newfstatat(AT_FDCWD, "./16/file0", [pid 5057] newfstatat(4, "", [pid 5416] <... futex resumed>) = 0 [pid 5406] <... futex resumed>) = 1 [pid 5402] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5416] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5406] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5402] exit_group(0 [pid 5059] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5416] <... futex resumed>) = ? [pid 5406] <... futex resumed>) = ? [pid 5402] <... exit_group resumed>) = ? [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] getdents64(4, [pid 5416] +++ exited with 0 +++ [pid 5406] +++ exited with 0 +++ [pid 5402] +++ exited with 0 +++ [pid 5062] newfstatat(AT_FDCWD, "./16/file0", [pid 5059] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5402, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5059] newfstatat(4, "", [pid 5057] getdents64(4, [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... restart_syscall resumed>) = 0 [pid 5059] getdents64(4, [pid 5057] close(4 [pid 5062] <... openat resumed>) = 4 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... close resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 5059] getdents64(4, [pid 5057] rmdir("./16/file0" [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5062] getdents64(4, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] close(4 [pid 5057] getdents64(3, [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... close resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] getdents64(4, [pid 5061] <... openat resumed>) = 3 [pid 5059] rmdir("./16/file0" [pid 5057] close(3 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] newfstatat(3, "", [pid 5059] <... rmdir resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5062] close(4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(3, [pid 5057] rmdir("./16" [pid 5062] <... close resumed>) = 0 [pid 5061] getdents64(3, [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5062] rmdir("./16/file0" [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] close(3 [pid 5057] mkdir("./17", 0777 [pid 5062] <... rmdir resumed>) = 0 [pid 5061] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... close resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5062] getdents64(3, [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] rmdir("./16" [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5059] <... rmdir resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5062] close(3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] mkdir("./17", 0777 [pid 5062] <... close resumed>) = 0 [pid 5061] unlink("./17/binderfs" [pid 5059] <... mkdir resumed>) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5062] rmdir("./16" [pid 5061] <... unlink resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5062] mkdir("./17", 0777) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5057] close(3) = 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) [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5059] close(3./strace-static-x86_64: Process 5417 attached [pid 5062] <... openat resumed>) = 3 [pid 5059] <... close resumed>) = 0 [pid 5417] set_robust_list(0x55555568a6a0, 24 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5417] <... set_robust_list resumed>) = 0 [pid 5062] close(3./strace-static-x86_64: Process 5418 attached [pid 5417] chdir("./17" [pid 5062] <... close resumed>) = 0 [pid 5418] set_robust_list(0x55555568a6a0, 24 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5418] <... set_robust_list resumed>) = 0 [pid 5417] <... chdir resumed>) = 0 [pid 5418] chdir("./17" [pid 5417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5417 [pid 5418] <... chdir resumed>) = 0 [pid 5417] <... prctl resumed>) = 0 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5418 [pid 5417] setpgid(0, 0 [pid 5418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5417] <... setpgid resumed>) = 0 [pid 5418] <... prctl resumed>) = 0 [pid 5417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5419 attached [pid 5418] setpgid(0, 0 [pid 5417] <... openat resumed>) = 3 [pid 5418] <... setpgid resumed>) = 0 [pid 5419] set_robust_list(0x55555568a6a0, 24 [pid 5418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5419] <... set_robust_list resumed>) = 0 [pid 5417] write(3, "1000", 4 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5419 [pid 5419] chdir("./17" [pid 5418] <... openat resumed>) = 3 [pid 5417] <... write resumed>) = 4 [pid 5419] <... chdir resumed>) = 0 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5418] write(3, "1000", 4 [pid 5417] close(3 [pid 5419] <... prctl resumed>) = 0 [pid 5418] <... write resumed>) = 4 [pid 5417] <... close resumed>) = 0 [pid 5419] setpgid(0, 0 [pid 5418] close(3 [pid 5417] symlink("/dev/binderfs", "./binderfs" [pid 5419] <... setpgid resumed>) = 0 [pid 5418] <... close resumed>) = 0 [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5418] symlink("/dev/binderfs", "./binderfs" [pid 5417] <... symlink resumed>) = 0 [pid 5418] <... symlink resumed>) = 0 [pid 5419] <... openat resumed>) = 3 [pid 5417] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = 0 [pid 5419] write(3, "1000", 4 [pid 5418] <... futex resumed>) = 0 [pid 5417] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5419] <... write resumed>) = 4 [pid 5418] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5417] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5419] close(3 [pid 5418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5419] <... close resumed>) = 0 [pid 5418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5419] symlink("/dev/binderfs", "./binderfs" [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5419] <... symlink resumed>) = 0 [pid 5418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5417] <... mmap resumed>) = 0x7fecab044000 [pid 5418] <... mmap resumed>) = 0x7fecab044000 [pid 5419] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5419] <... futex resumed>) = 0 [pid 5417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5419] 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 5419] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5418] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5418] <... mprotect resumed>) = 0 [pid 5417] 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 5419] <... mmap resumed>) = 0x7fecab044000 [pid 5418] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5420 attached [pid 5419] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5418] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5417] <... clone3 resumed> => {parent_tid=[5420]}, 88) = 5420 [pid 5420] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5419] <... mprotect resumed>) = 0 [pid 5418] 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 5417] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5421 attached [pid 5420] <... rseq resumed>) = 0 [pid 5419] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5421] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5420] set_robust_list(0x7fecab0649a0, 24 [pid 5419] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5418] <... clone3 resumed> => {parent_tid=[5421]}, 88) = 5421 [pid 5417] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... rseq resumed>) = 0 [pid 5420] <... set_robust_list resumed>) = 0 [pid 5419] 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 5418] rt_sigprocmask(SIG_SETMASK, [], [pid 5417] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5422 attached [pid 5421] set_robust_list(0x7fecab0649a0, 24 [pid 5420] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5417] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5422] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5421] <... set_robust_list resumed>) = 0 [pid 5420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5419] <... clone3 resumed> => {parent_tid=[5422]}, 88) = 5422 [pid 5418] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... rseq resumed>) = 0 [pid 5421] rt_sigprocmask(SIG_SETMASK, [], [pid 5420] memfd_create("syzkaller", 0 [pid 5419] rt_sigprocmask(SIG_SETMASK, [], [pid 5418] <... futex resumed>) = 0 [pid 5422] set_robust_list(0x7fecab0649a0, 24 [pid 5421] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5420] <... memfd_create resumed>) = 3 [pid 5419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5418] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5422] <... set_robust_list resumed>) = 0 [pid 5421] memfd_create("syzkaller", 0 [pid 5420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5419] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5420] <... mmap resumed>) = 0x7feca2c44000 [pid 5419] <... futex resumed>) = 0 [pid 5422] memfd_create("syzkaller", 0 [pid 5421] <... memfd_create resumed>) = 3 [pid 5422] <... memfd_create resumed>) = 3 [pid 5421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5419] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5421] <... mmap resumed>) = 0x7feca2c44000 [pid 5422] <... mmap resumed>) = 0x7feca2c44000 [pid 5422] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5058] <... umount2 resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5058] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./17/file0", [pid 5060] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./16/file0", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(4, [pid 5060] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [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 5058] getdents64(4, [pid 5061] close(4 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./17/file0" [pid 5058] close(4 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... close resumed>) = 0 [pid 5061] getdents64(3, [pid 5060] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] rmdir("./17/file0" [pid 5061] close(3 [pid 5060] <... openat resumed>) = 4 [pid 5058] <... rmdir resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 5058] getdents64(3, [pid 5061] rmdir("./17") = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] mkdir("./18", 0777 [pid 5060] getdents64(4, [pid 5058] close(3 [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... close resumed>) = 0 [pid 5060] getdents64(4, [pid 5058] rmdir("./17" [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5060] close(4 [pid 5058] mkdir("./18", 0777 [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./16/file0" [pid 5058] <... mkdir resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] <... rmdir resumed>) = 0 [pid 5061] close(3 [pid 5060] getdents64(3, [pid 5061] <... close resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3) = 0 [pid 5422] <... write resumed>) = 4194304 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] rmdir("./16" [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5422] munmap(0x7feca2c44000, 138412032 [pid 5060] <... rmdir resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5060] mkdir("./17", 0777 [pid 5058] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] <... mkdir resumed>) = 0 [pid 5058] close(3 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5058] <... close resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5424 attached ./strace-static-x86_64: Process 5423 attached [pid 5422] <... munmap resumed>) = 0 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5424] set_robust_list(0x55555568a6a0, 24 [pid 5060] close(3 [pid 5424] <... set_robust_list resumed>) = 0 [pid 5424] chdir("./18" [pid 5060] <... close resumed>) = 0 [pid 5424] <... chdir resumed>) = 0 [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5424] setpgid(0, 0) = 0 [pid 5423] set_robust_list(0x55555568a6a0, 24 [pid 5422] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5423 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5424 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5423] <... set_robust_list resumed>) = 0 [pid 5423] chdir("./18" [pid 5424] <... openat resumed>) = 3 [pid 5424] write(3, "1000", 4) = 4 [pid 5423] <... chdir resumed>) = 0 [pid 5424] close(3 [pid 5422] <... openat resumed>) = 4 [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5425 attached ) = 0 [pid 5425] set_robust_list(0x55555568a6a0, 24 [pid 5424] <... close resumed>) = 0 [pid 5423] setpgid(0, 0 [pid 5422] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5425 [pid 5424] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5422] <... ioctl resumed>) = 0 [pid 5425] <... set_robust_list resumed>) = 0 [pid 5423] <... setpgid resumed>) = 0 [pid 5425] chdir("./17" [pid 5424] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5422] close(3 [pid 5425] <... chdir resumed>) = 0 [pid 5422] <... close resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5423] <... openat resumed>) = 3 [pid 5422] mkdir("./file0", 0777 [pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5424] 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 5424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5422] <... mkdir resumed>) = 0 [pid 5425] <... prctl resumed>) = 0 [pid 5423] write(3, "1000", 4 [pid 5425] setpgid(0, 0 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] <... write resumed>) = 4 [pid 5422] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5425] <... setpgid resumed>) = 0 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5424] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5424] <... mprotect resumed>) = 0 [ 94.305307][ T5422] loop5: detected capacity change from 0 to 8192 [pid 5425] <... openat resumed>) = 3 [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5423] close(3 [pid 5424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5424] 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 5425] write(3, "1000", 4 [pid 5423] <... close resumed>) = 0 [pid 5425] <... write resumed>) = 4 ./strace-static-x86_64: Process 5427 attached [pid 5425] close(3 [pid 5424] <... clone3 resumed> => {parent_tid=[5427]}, 88) = 5427 [pid 5423] symlink("/dev/binderfs", "./binderfs" [pid 5425] <... close resumed>) = 0 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] symlink("/dev/binderfs", "./binderfs" [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] <... symlink resumed>) = 0 [pid 5424] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5425] <... symlink resumed>) = 0 [pid 5424] <... futex resumed>) = 0 [pid 5423] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... rseq resumed>) = 0 [pid 5424] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5427] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5427] memfd_create("syzkaller", 0) = 3 [pid 5423] <... futex resumed>) = 0 [pid 5427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5423] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5427] <... mmap resumed>) = 0x7feca2c44000 [pid 5423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5425] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5420] <... write resumed>) = 4194304 [ 94.344445][ T5422] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.358193][ T5422] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 94.372355][ T5422] REISERFS (device loop5): using ordered data mode [ 94.378981][ T5422] reiserfs: using flush barriers [pid 5425] <... futex resumed>) = 0 [pid 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5421] <... write resumed>) = 4194304 [pid 5420] munmap(0x7feca2c44000, 138412032 [pid 5425] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5425] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5423] <... mmap resumed>) = 0x7fecab044000 [pid 5421] munmap(0x7feca2c44000, 138412032 [pid 5420] <... munmap resumed>) = 0 [pid 5425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5423] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5421] <... munmap resumed>) = 0 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5423] <... mprotect resumed>) = 0 [pid 5421] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5420] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5423] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5421] <... openat resumed>) = 4 [pid 5420] <... openat resumed>) = 4 [pid 5425] <... mmap resumed>) = 0x7fecab044000 [pid 5423] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5422] <... mount resumed>) = 0 [pid 5421] ioctl(4, LOOP_SET_FD, 3 [pid 5420] ioctl(4, LOOP_SET_FD, 3 [pid 5425] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5423] 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 5425] <... mprotect resumed>) = 0 [pid 5423] <... clone3 resumed> => {parent_tid=[5428]}, 88) = 5428 [pid 5425] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5423] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5425] 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 5423] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5429 attached [pid 5423] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5425] <... clone3 resumed> => {parent_tid=[5429]}, 88) = 5429 [pid 5423] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5428 attached [pid 5429] <... rseq resumed>) = 0 [pid 5425] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5420] <... ioctl resumed>) = 0 [pid 5429] set_robust_list(0x7fecab0649a0, 24 [pid 5428] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5425] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] rt_sigprocmask(SIG_SETMASK, [], [pid 5425] <... futex resumed>) = 0 [pid 5429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] <... rseq resumed>) = 0 [pid 5425] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5429] memfd_create("syzkaller", 0 [pid 5428] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5429] <... memfd_create resumed>) = 3 [pid 5428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5420] close(3 [pid 5429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5428] memfd_create("syzkaller", 0 [pid 5420] <... close resumed>) = 0 [pid 5429] <... mmap resumed>) = 0x7feca2c44000 [pid 5428] <... memfd_create resumed>) = 3 [pid 5420] mkdir("./file0", 0777 [pid 5428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5420] <... mkdir resumed>) = 0 [pid 5428] <... mmap resumed>) = 0x7feca2c44000 [pid 5420] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5427] <... write resumed>) = 4194304 [ 94.395149][ T5422] 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 [ 94.413438][ T5422] REISERFS (device loop5): checking transaction log (loop5) [ 94.425280][ T5422] REISERFS (device loop5): Using r5 hash to sort names [ 94.440348][ T5421] loop2: detected capacity change from 0 to 8192 [ 94.447141][ T5420] loop0: detected capacity change from 0 to 8192 [pid 5427] munmap(0x7feca2c44000, 138412032 [pid 5422] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5421] <... ioctl resumed>) = 0 [pid 5421] close(3) = 0 [pid 5421] mkdir("./file0", 0777 [pid 5427] <... munmap resumed>) = 0 [pid 5427] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5427] ioctl(4, LOOP_SET_FD, 3 [pid 5421] <... mkdir resumed>) = 0 [pid 5422] <... openat resumed>) = 3 [pid 5427] <... ioctl resumed>) = 0 [pid 5422] chdir("./file0" [pid 5421] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5422] <... chdir resumed>) = 0 [pid 5422] ioctl(4, LOOP_CLR_FD) = 0 [pid 5422] close(4 [pid 5427] close(3 [pid 5422] <... close resumed>) = 0 [pid 5427] <... close resumed>) = 0 [pid 5427] mkdir("./file0", 0777) = 0 [pid 5427] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 94.478015][ T5420] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.497637][ T5427] loop1: detected capacity change from 0 to 8192 [ 94.506094][ T5420] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5422] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] <... futex resumed>) = 0 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5419] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] mkdir(".", 0777 [pid 5419] <... futex resumed>) = 0 [pid 5422] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5419] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 94.524250][ T5420] REISERFS (device loop0): using ordered data mode [ 94.532924][ T5421] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.546133][ T5421] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 94.555718][ T5421] REISERFS (device loop2): using ordered data mode [ 94.561807][ T5422] reiserfs: enabling write barrier flush mode [ 94.562626][ T5421] reiserfs: using flush barriers [pid 5422] 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 5428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5422] <... mount resumed>) = 0 [pid 5422] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [ 94.574520][ T5427] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.578026][ T5421] 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 [ 94.592958][ T5420] reiserfs: using flush barriers [ 94.605208][ T5422] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 94.619526][ T5427] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5422] chdir(".") = 0 [pid 5422] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] <... futex resumed>) = 0 [pid 5419] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = 0 [pid 5419] <... futex resumed>) = 1 [pid 5419] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5422] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5419] <... futex resumed>) = 0 [pid 5422] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5422] ftruncate(5, 100663296 [pid 5419] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5422] <... ftruncate resumed>) = 0 [pid 5422] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5422] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5419] <... futex resumed>) = 0 [ 94.631869][ T5427] REISERFS (device loop1): using ordered data mode [ 94.638553][ T5427] reiserfs: using flush barriers [ 94.648867][ T5427] 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 [ 94.657301][ T5421] REISERFS (device loop2): checking transaction log (loop2) [ 94.666376][ T5427] REISERFS (device loop1): checking transaction log (loop1) [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5419] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... mount resumed>) = 0 [pid 5422] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5419] <... futex resumed>) = 0 [pid 5429] <... write resumed>) = 4194304 [pid 5419] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 94.692581][ T5427] REISERFS (device loop1): Using r5 hash to sort names [ 94.695239][ T5420] 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 [ 94.701906][ T5421] REISERFS (device loop2): Using r5 hash to sort names [ 94.735725][ T5420] REISERFS (device loop0): checking transaction log (loop0) [pid 5429] munmap(0x7feca2c44000, 138412032 [pid 5427] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5422] <... openat resumed>) = 6 [pid 5421] <... mount resumed>) = 0 [pid 5422] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... openat resumed>) = 3 [pid 5422] <... futex resumed>) = 1 [pid 5421] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5419] <... futex resumed>) = 0 [pid 5427] chdir("./file0" [pid 5422] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5429] <... munmap resumed>) = 0 [pid 5427] <... chdir resumed>) = 0 [pid 5419] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5427] ioctl(4, LOOP_CLR_FD [pid 5422] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5421] <... openat resumed>) = 3 [pid 5419] <... futex resumed>) = 0 [pid 5429] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5429] ioctl(4, LOOP_SET_FD, 3 [pid 5427] <... ioctl resumed>) = 0 [pid 5422] <... openat resumed>) = 7 [pid 5421] chdir("./file0" [pid 5419] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] <... ioctl resumed>) = 0 [pid 5427] close(4 [pid 5422] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... chdir resumed>) = 0 [pid 5420] <... mount resumed>) = 0 [pid 5429] close(3 [pid 5427] <... close resumed>) = 0 [pid 5422] <... futex resumed>) = 1 [pid 5421] ioctl(4, LOOP_CLR_FD [pid 5419] <... futex resumed>) = 0 [pid 5429] <... close resumed>) = 0 [pid 5427] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5421] <... ioctl resumed>) = 0 [pid 5420] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5429] mkdir("./file0", 0777 [pid 5427] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5421] close(4 [pid 5420] <... openat resumed>) = 3 [pid 5419] exit_group(0 [pid 5429] <... mkdir resumed>) = 0 [pid 5427] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5422] <... futex resumed>) = ? [pid 5421] <... close resumed>) = 0 [pid 5420] chdir("./file0" [pid 5419] <... exit_group resumed>) = ? [pid 5427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5424] <... futex resumed>) = 0 [pid 5422] +++ exited with 0 +++ [pid 5421] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... write resumed>) = 4194304 [pid 5427] mkdir(".", 0777 [pid 5424] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5421] <... futex resumed>) = 1 [pid 5420] <... chdir resumed>) = 0 [pid 5419] +++ exited with 0 +++ [pid 5418] <... futex resumed>) = 0 [pid 5429] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5428] munmap(0x7feca2c44000, 138412032 [pid 5427] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5421] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5420] ioctl(4, LOOP_CLR_FD [ 94.737678][ T5429] loop3: detected capacity change from 0 to 8192 [ 94.746566][ T5420] REISERFS (device loop0): Using r5 hash to sort names [pid 5418] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] 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 5421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5420] <... ioctl resumed>) = 0 [pid 5428] <... munmap resumed>) = 0 [pid 5418] <... futex resumed>) = 0 [pid 5421] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5421] 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 5428] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5418] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5419, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5062] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5428] <... openat resumed>) = 4 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5428] ioctl(4, LOOP_SET_FD, 3 [pid 5062] openat(AT_FDCWD, "./17", 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 [ 94.791495][ T5427] reiserfs: enabling write barrier flush mode [ 94.794952][ T5429] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.799215][ T5421] reiserfs: enabling write barrier flush mode [ 94.822416][ T5428] loop4: detected capacity change from 0 to 8192 [ 94.831693][ T5429] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5428] <... ioctl resumed>) = 0 [pid 5420] close(4 [pid 5062] getdents64(3, [pid 5420] <... close resumed>) = 0 [pid 5420] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5420] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] <... futex resumed>) = 0 [pid 5417] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] close(3 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5428] <... close resumed>) = 0 [pid 5428] mkdir("./file0", 0777 [pid 5062] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5420] <... futex resumed>) = 0 [pid 5417] <... futex resumed>) = 1 [pid 5420] mkdir(".", 0777 [pid 5417] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5420] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5428] <... mkdir resumed>) = 0 [pid 5420] 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] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5428] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./17/binderfs" [pid 5427] <... mount resumed>) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5062] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5427] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5427] chdir(".") = 0 [ 94.835802][ T5427] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 94.843652][ T5429] REISERFS (device loop3): using ordered data mode [ 94.857625][ T5429] reiserfs: using flush barriers [ 94.864983][ T5420] reiserfs: enabling write barrier flush mode [ 94.875372][ T5421] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5427] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] <... futex resumed>) = 0 [pid 5424] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] <... futex resumed>) = 1 [pid 5427] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5427] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5424] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5424] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] ftruncate(5, 100663296 [pid 5421] <... mount resumed>) = 0 [pid 5421] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [ 94.890153][ T5429] 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 [ 94.907192][ T5428] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.930550][ T5428] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5421] chdir(".") = 0 [pid 5421] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5418] <... futex resumed>) = 0 [pid 5418] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5421] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5418] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] <... ftruncate resumed>) = 0 [pid 5421] <... openat resumed>) = 5 [pid 5421] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5418] <... futex resumed>) = 0 [pid 5421] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5418] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5418] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5421] ftruncate(5, 100663296 [pid 5424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 94.931216][ T5420] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 94.940978][ T5429] REISERFS (device loop3): checking transaction log (loop3) [ 94.957982][ T5428] REISERFS (device loop4): using ordered data mode [ 94.965241][ T5428] reiserfs: using flush barriers [pid 5424] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5421] <... ftruncate resumed>) = 0 [pid 5421] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5418] <... futex resumed>) = 0 [pid 5418] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5421] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5420] <... mount resumed>) = 0 [pid 5418] <... futex resumed>) = 0 [pid 5418] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5427] <... futex resumed>) = 0 [pid 5424] <... mmap resumed>) = 0x7fecab023000 [pid 5421] <... openat resumed>) = 6 [pid 5420] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] <... umount2 resumed>) = 0 [pid 5429] <... mount resumed>) = 0 [pid 5427] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5424] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5424] 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 5435 attached [pid 5435] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5424] <... clone3 resumed> => {parent_tid=[5435]}, 88) = 5435 [pid 5435] <... rseq resumed>) = 0 [pid 5424] rt_sigprocmask(SIG_SETMASK, [], [pid 5435] set_robust_list(0x7fecab0439a0, 24 [pid 5424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5435] <... set_robust_list resumed>) = 0 [pid 5424] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] rt_sigprocmask(SIG_SETMASK, [], [pid 5424] <... futex resumed>) = 0 [pid 5435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5424] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5428] <... mount resumed>) = 0 [pid 5421] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... openat resumed>) = 4 [pid 5062] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5429] <... openat resumed>) = 3 [pid 5428] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5421] <... futex resumed>) = 1 [pid 5420] chdir("." [pid 5418] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5429] chdir("./file0" [pid 5428] <... openat resumed>) = 3 [pid 5421] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5420] <... chdir resumed>) = 0 [pid 5418] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./17/file0", [pid 5429] <... chdir resumed>) = 0 [pid 5428] chdir("./file0" [pid 5421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5420] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5429] ioctl(4, LOOP_CLR_FD [pid 5428] <... chdir resumed>) = 0 [pid 5421] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5420] <... futex resumed>) = 1 [pid 5418] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] <... futex resumed>) = 0 [pid 5062] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5429] <... ioctl resumed>) = 0 [pid 5428] ioctl(4, LOOP_CLR_FD [pid 5420] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5429] close(4 [pid 5428] <... ioctl resumed>) = 0 [pid 5421] <... openat resumed>) = 7 [pid 5420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5417] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5429] <... close resumed>) = 0 [pid 5428] close(4 [pid 5420] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5417] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 4 [pid 5429] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... close resumed>) = 0 [pid 5421] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... openat resumed>) = 5 [pid 5062] newfstatat(4, "", [pid 5429] <... futex resumed>) = 1 [pid 5428] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 0 [pid 5421] <... futex resumed>) = 1 [pid 5420] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5418] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5429] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] <... futex resumed>) = 1 [pid 5425] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = 0 [pid 5421] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5420] <... futex resumed>) = 1 [pid 5418] exit_group(0 [pid 5417] <... futex resumed>) = 0 [pid 5062] getdents64(4, [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = 0 [pid 5423] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5421] <... futex resumed>) = ? [pid 5420] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5418] <... exit_group resumed>) = ? [pid 5417] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [ 94.985340][ T5428] 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 [ 95.003861][ T5429] REISERFS (device loop3): Using r5 hash to sort names [ 95.023865][ T5428] REISERFS (device loop4): checking transaction log (loop4) [ 95.033719][ T5428] REISERFS (device loop4): Using r5 hash to sort names [pid 5429] mkdir(".", 0777 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5417] <... futex resumed>) = 0 [pid 5062] getdents64(4, [pid 5417] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5429] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] close(4 [pid 5429] 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] <... close resumed>) = 0 [pid 5435] <... openat resumed>) = 6 [pid 5420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] rmdir("./17/file0" [pid 5428] mkdir(".", 0777 [pid 5062] <... rmdir resumed>) = 0 [pid 5428] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3 [pid 5420] ftruncate(5, 100663296 [pid 5062] <... close resumed>) = 0 [pid 5428] 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 5423] <... futex resumed>) = 0 [pid 5421] +++ exited with 0 +++ [pid 5418] +++ exited with 0 +++ [pid 5062] rmdir("./17" [pid 5435] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... rmdir resumed>) = 0 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5418, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5062] mkdir("./18", 0777 [pid 5435] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5423] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5435] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5424] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... mkdir resumed>) = 0 [pid 5059] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5427] <... futex resumed>) = 0 [pid 5424] <... futex resumed>) = 1 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5427] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5424] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5427] <... openat resumed>) = 7 [pid 5059] <... openat resumed>) = 3 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5059] newfstatat(3, "", [pid 5062] <... openat resumed>) = 3 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5059] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5427] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5427] <... futex resumed>) = 1 [pid 5424] <... futex resumed>) = 0 [pid 5420] <... ftruncate resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5427] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./17/binderfs" [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... unlink resumed>) = 0 [pid 5059] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5436 attached [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5436 [pid 5436] set_robust_list(0x55555568a6a0, 24 [ 95.067591][ T5429] reiserfs: enabling write barrier flush mode [ 95.078759][ T5428] reiserfs: enabling write barrier flush mode [ 95.098027][ T5428] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5420] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... set_robust_list resumed>) = 0 [pid 5424] exit_group(0 [pid 5420] <... futex resumed>) = 1 [pid 5417] <... futex resumed>) = 0 [pid 5417] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5417] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5435] <... futex resumed>) = ? [pid 5424] <... exit_group resumed>) = ? [pid 5435] +++ exited with 0 +++ [pid 5436] chdir("./18" [pid 5427] <... futex resumed>) = ? [pid 5420] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5427] +++ exited with 0 +++ [pid 5424] +++ exited with 0 +++ [pid 5420] <... openat resumed>) = 6 [pid 5436] <... chdir resumed>) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5424, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5429] <... mount resumed>) = 0 [pid 5436] setpgid(0, 0 [pid 5058] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5436] <... setpgid resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5436] <... openat resumed>) = 3 [pid 5058] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5429] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5429] <... openat resumed>) = 4 [pid 5058] unlink("./18/binderfs" [pid 5429] chdir("." [pid 5058] <... unlink resumed>) = 0 [pid 5429] <... chdir resumed>) = 0 [ 95.111147][ T5429] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5058] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5436] write(3, "1000", 4 [pid 5429] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... mount resumed>) = 0 [pid 5417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5429] <... futex resumed>) = 1 [pid 5428] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5425] <... futex resumed>) = 0 [pid 5417] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] <... openat resumed>) = 4 [pid 5425] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... futex resumed>) = 0 [pid 5436] <... write resumed>) = 4 [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] chdir("." [pid 5425] <... futex resumed>) = 0 [pid 5417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5436] close(3 [pid 5429] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5428] <... chdir resumed>) = 0 [pid 5425] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] <... mmap resumed>) = 0x7fecab023000 [pid 5436] <... close resumed>) = 0 [pid 5428] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5436] symlink("/dev/binderfs", "./binderfs" [pid 5428] <... futex resumed>) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5417] <... mprotect resumed>) = 0 [pid 5436] <... symlink resumed>) = 0 [pid 5429] <... openat resumed>) = 5 [pid 5428] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5423] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5436] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5429] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... openat resumed>) = 5 [pid 5423] <... futex resumed>) = 0 [pid 5420] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] <... futex resumed>) = 0 [pid 5423] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] 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 5429] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] <... futex resumed>) = 0 [pid 5425] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5437 attached [pid 5436] <... futex resumed>) = 0 [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] ftruncate(5, 100663296 [pid 5425] <... futex resumed>) = 0 [pid 5423] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] <... futex resumed>) = 0 [pid 5417] <... clone3 resumed> => {parent_tid=[5437]}, 88) = 5437 [pid 5437] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5436] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5420] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5417] rt_sigprocmask(SIG_SETMASK, [], [pid 5423] <... futex resumed>) = 0 [pid 5425] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5429] ftruncate(5, 100663296 [pid 5437] <... rseq resumed>) = 0 [pid 5436] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5423] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5437] set_robust_list(0x7fecab0439a0, 24 [pid 5436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5417] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5437] <... set_robust_list resumed>) = 0 [pid 5436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5417] <... futex resumed>) = 0 [pid 5437] rt_sigprocmask(SIG_SETMASK, [], [pid 5436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5417] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5436] <... mmap resumed>) = 0x7fecab044000 [pid 5437] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5059] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5437] <... openat resumed>) = 7 [pid 5436] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5437] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5417] <... futex resumed>) = 0 [pid 5417] exit_group(0) = ? [pid 5436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5429] <... ftruncate resumed>) = 0 [pid 5428] <... ftruncate resumed>) = 0 [pid 5420] <... futex resumed>) = ? [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5436] 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 5428] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5420] +++ exited with 0 +++ [pid 5059] newfstatat(AT_FDCWD, "./17/file0", [pid 5429] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = 1 [pid 5423] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5438 attached [pid 5437] +++ exited with 0 +++ [pid 5436] <... clone3 resumed> => {parent_tid=[5438]}, 88) = 5438 [pid 5429] <... futex resumed>) = 1 [pid 5428] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = 0 [pid 5423] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5417] +++ exited with 0 +++ [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5438] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5436] rt_sigprocmask(SIG_SETMASK, [], [pid 5429] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5425] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... futex resumed>) = 0 [pid 5059] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5417, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5438] <... rseq resumed>) = 0 [pid 5436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] <... futex resumed>) = 0 [pid 5423] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5438] set_robust_list(0x7fecab0649a0, 24 [pid 5436] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5425] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5438] <... set_robust_list resumed>) = 0 [pid 5436] <... futex resumed>) = 0 [pid 5438] rt_sigprocmask(SIG_SETMASK, [], [pid 5436] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5428] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5438] memfd_create("syzkaller", 0 [pid 5057] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5057] newfstatat(3, "", [pid 5438] <... memfd_create resumed>) = 3 [pid 5429] <... openat resumed>) = 6 [pid 5428] <... openat resumed>) = 6 [pid 5059] newfstatat(4, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, [pid 5438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] getdents64(4, [pid 5057] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] getdents64(4, [pid 5428] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5429] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5429] <... futex resumed>) = 1 [pid 5428] <... futex resumed>) = 1 [pid 5425] <... futex resumed>) = 0 [pid 5423] <... futex resumed>) = 0 [pid 5059] close(4 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5429] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... close resumed>) = 0 [pid 5057] unlink("./17/binderfs" [pid 5429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5425] <... futex resumed>) = 0 [pid 5423] <... futex resumed>) = 0 [pid 5059] rmdir("./17/file0" [pid 5423] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... unlink resumed>) = 0 [pid 5429] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5428] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5425] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... rmdir resumed>) = 0 [pid 5057] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5429] <... openat resumed>) = 7 [pid 5059] getdents64(3, [pid 5428] <... openat resumed>) = 7 [pid 5428] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5429] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5428] <... futex resumed>) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5059] close(3 [pid 5429] <... futex resumed>) = 1 [pid 5428] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5425] <... futex resumed>) = 0 [pid 5423] exit_group(0 [pid 5429] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5428] <... futex resumed>) = ? [pid 5425] exit_group(0 [pid 5423] <... exit_group resumed>) = ? [pid 5059] <... close resumed>) = 0 [pid 5425] <... exit_group resumed>) = ? [pid 5429] <... futex resumed>) = ? [pid 5428] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5059] rmdir("./17" [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5423, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5061] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... rmdir resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./18", 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("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5429] +++ exited with 0 +++ [pid 5425] +++ exited with 0 +++ [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] mkdir("./18", 0777 [pid 5061] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5425, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5059] <... mkdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5061] unlink("./18/binderfs" [pid 5060] <... restart_syscall resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5058] <... umount2 resumed>) = 0 [pid 5061] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... openat resumed>) = 3 [pid 5058] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] newfstatat(AT_FDCWD, "./18/file0", [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] <... openat resumed>) = 3 [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 5060] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5060] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./17/binderfs") = 0 [pid 5060] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5439 attached [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5439 [pid 5058] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5439] set_robust_list(0x55555568a6a0, 24 [pid 5058] <... openat resumed>) = 4 [pid 5439] <... set_robust_list resumed>) = 0 [pid 5058] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5439] chdir("./18" [pid 5058] getdents64(4, [pid 5439] <... chdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5439] <... prctl resumed>) = 0 [pid 5058] close(4 [pid 5439] setpgid(0, 0 [pid 5058] <... close resumed>) = 0 [pid 5439] <... setpgid resumed>) = 0 [pid 5058] rmdir("./18/file0" [pid 5439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... rmdir resumed>) = 0 [pid 5439] <... openat resumed>) = 3 [pid 5058] getdents64(3, [pid 5439] write(3, "1000", 4) = 4 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5439] close(3 [pid 5058] close(3) = 0 [pid 5439] <... close resumed>) = 0 [pid 5058] rmdir("./18" [pid 5057] <... umount2 resumed>) = 0 [pid 5439] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5057] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5439] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] mkdir("./19", 0777 [pid 5439] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5439] 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 resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./17/file0", [pid 5439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5057] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5439] <... mmap resumed>) = 0x7fecab044000 [pid 5057] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5439] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5439] <... mprotect resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5057] <... openat resumed>) = 4 [pid 5439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5439] 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(4, "", ./strace-static-x86_64: Process 5440 attached [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5440] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] getdents64(4, [pid 5440] set_robust_list(0x7fecab0649a0, 24 [pid 5439] <... clone3 resumed> => {parent_tid=[5440]}, 88) = 5440 [pid 5440] <... set_robust_list resumed>) = 0 [pid 5439] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] close(3 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5440] rt_sigprocmask(SIG_SETMASK, [], [pid 5439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] getdents64(4, [pid 5439] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] memfd_create("syzkaller", 0 [pid 5439] <... futex resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] close(4 [pid 5439] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5440] <... memfd_create resumed>) = 3 [pid 5057] <... close resumed>) = 0 ./strace-static-x86_64: Process 5441 attached [pid 5057] rmdir("./17/file0" [pid 5440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5441 [pid 5441] set_robust_list(0x55555568a6a0, 24 [pid 5440] <... mmap resumed>) = 0x7feca2c44000 [pid 5057] <... rmdir resumed>) = 0 [pid 5057] getdents64(3, [pid 5441] <... set_robust_list resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5441] chdir("./19" [pid 5057] close(3 [pid 5441] <... chdir resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5057] rmdir("./17" [pid 5441] setpgid(0, 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5441] <... setpgid resumed>) = 0 [pid 5440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5438] <... write resumed>) = 4194304 [pid 5061] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... rmdir resumed>) = 0 [pid 5441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5438] munmap(0x7feca2c44000, 138412032 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5441] <... openat resumed>) = 3 [pid 5438] <... munmap resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./18/file0", [pid 5060] newfstatat(AT_FDCWD, "./17/file0", [pid 5057] mkdir("./18", 0777 [pid 5441] write(3, "1000", 4 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5057] <... mkdir resumed>) = 0 [pid 5441] <... write resumed>) = 4 [pid 5061] newfstatat(4, "", [pid 5441] close(3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5441] <... close resumed>) = 0 [pid 5061] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5441] symlink("/dev/binderfs", "./binderfs" [pid 5438] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5441] <... symlink resumed>) = 0 [pid 5438] <... openat resumed>) = 4 [pid 5061] getdents64(4, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5441] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5441] <... futex resumed>) = 0 [pid 5438] ioctl(4, LOOP_SET_FD, 3 [pid 5061] close(4 [pid 5060] <... openat resumed>) = 4 [pid 5441] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5438] <... ioctl resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 5057] <... openat resumed>) = 3 [pid 5441] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] close(3 [pid 5441] <... mmap resumed>) = 0x7fecab044000 [pid 5438] close(3 [pid 5061] rmdir("./18/file0" [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5441] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5438] <... close resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] getdents64(4, [pid 5057] <... close resumed>) = 0 [pid 5441] <... mprotect resumed>) = 0 [pid 5438] mkdir("./file0", 0777 [pid 5061] getdents64(3, [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5441] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5438] <... mkdir resumed>) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5441] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] close(3 [pid 5441] 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] <... close resumed>) = 0 ./strace-static-x86_64: Process 5442 attached [pid 5061] rmdir("./18" [pid 5060] getdents64(4, [pid 5441] <... clone3 resumed> => {parent_tid=[5442]}, 88) = 5442 [pid 5438] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5443 attached [pid 5442] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5441] rt_sigprocmask(SIG_SETMASK, [], [pid 5443] set_robust_list(0x55555568a6a0, 24 [pid 5442] <... rseq resumed>) = 0 [pid 5441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5442] set_robust_list(0x7fecab0649a0, 24 [pid 5441] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... set_robust_list resumed>) = 0 [pid 5441] <... futex resumed>) = 0 [pid 5442] rt_sigprocmask(SIG_SETMASK, [], [pid 5441] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5443] <... set_robust_list resumed>) = 0 [pid 5443] chdir("./18" [pid 5442] memfd_create("syzkaller", 0 [pid 5061] mkdir("./19", 0777 [pid 5060] close(4 [pid 5443] <... chdir resumed>) = 0 [pid 5442] <... memfd_create resumed>) = 3 [pid 5061] <... mkdir resumed>) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5443 [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... close resumed>) = 0 [ 95.555962][ T5438] loop5: detected capacity change from 0 to 8192 [ 95.593071][ T5438] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5443] <... prctl resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5060] rmdir("./17/file0" [pid 5443] setpgid(0, 0 [pid 5442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5443] <... setpgid resumed>) = 0 [pid 5442] <... mmap resumed>) = 0x7feca2c44000 [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5443] write(3, "1000", 4) = 4 [pid 5443] close(3 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5443] <... close resumed>) = 0 [pid 5443] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] <... rmdir resumed>) = 0 [pid 5443] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] 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 5443] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5443] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5061] close(3 [pid 5443] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] getdents64(3, [pid 5443] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] <... close resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5445 attached [pid 5443] 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 5060] close(3 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5445 [ 95.607647][ T5438] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 95.618945][ T5438] REISERFS (device loop5): using ordered data mode [ 95.626632][ T5438] reiserfs: using flush barriers [ 95.639617][ T5438] 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 5445] set_robust_list(0x55555568a6a0, 24./strace-static-x86_64: Process 5446 attached [pid 5442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5440] <... write resumed>) = 4194304 [pid 5060] <... close resumed>) = 0 [pid 5446] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5445] <... set_robust_list resumed>) = 0 [pid 5443] <... clone3 resumed> => {parent_tid=[5446]}, 88) = 5446 [pid 5443] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] rmdir("./17" [pid 5446] <... rseq resumed>) = 0 [pid 5445] chdir("./19" [pid 5440] munmap(0x7feca2c44000, 138412032 [pid 5446] set_robust_list(0x7fecab0649a0, 24 [pid 5440] <... munmap resumed>) = 0 [pid 5445] <... chdir resumed>) = 0 [pid 5443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] <... rmdir resumed>) = 0 [pid 5445] <... prctl resumed>) = 0 [pid 5438] <... mount resumed>) = 0 [pid 5060] mkdir("./18", 0777 [pid 5445] setpgid(0, 0 [pid 5443] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5445] <... setpgid resumed>) = 0 [pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5443] <... futex resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5446] <... set_robust_list resumed>) = 0 [pid 5445] write(3, "1000", 4 [pid 5443] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5440] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5438] <... openat resumed>) = 3 [pid 5446] rt_sigprocmask(SIG_SETMASK, [], [pid 5445] <... write resumed>) = 4 [pid 5440] <... openat resumed>) = 4 [pid 5438] chdir("./file0" [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5446] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5445] close(3 [pid 5440] ioctl(4, LOOP_SET_FD, 3 [pid 5438] <... chdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5446] memfd_create("syzkaller", 0 [pid 5438] ioctl(4, LOOP_CLR_FD) = 0 [pid 5438] close(4) = 0 [pid 5438] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5445] <... close resumed>) = 0 [pid 5438] <... futex resumed>) = 1 [pid 5436] <... futex resumed>) = 0 [pid 5445] symlink("/dev/binderfs", "./binderfs" [pid 5438] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5446] <... memfd_create resumed>) = 3 [pid 5445] <... symlink resumed>) = 0 [pid 5440] <... ioctl resumed>) = 0 [pid 5438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5436] <... futex resumed>) = 0 [pid 5446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5445] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] close(3 [pid 5438] mkdir(".", 0777 [pid 5436] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5446] <... mmap resumed>) = 0x7feca2c44000 [pid 5445] <... futex resumed>) = 0 [pid 5440] <... close resumed>) = 0 [pid 5438] <... mkdir resumed>) = -1 EEXIST (File exists) [ 95.657437][ T5438] REISERFS (device loop5): checking transaction log (loop5) [ 95.675136][ T5438] REISERFS (device loop5): Using r5 hash to sort names [ 95.692168][ T5440] loop2: detected capacity change from 0 to 8192 [pid 5445] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5438] 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] close(3 [pid 5445] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5440] mkdir("./file0", 0777 [pid 5445] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5445] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5440] <... mkdir resumed>) = 0 [pid 5445] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5060] <... close resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5445] <... mprotect resumed>) = 0 [pid 5445] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5447 [pid 5445] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5445] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5447 attached ./strace-static-x86_64: Process 5448 attached [pid 5448] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5447] set_robust_list(0x55555568a6a0, 24 [pid 5445] <... clone3 resumed> => {parent_tid=[5448]}, 88) = 5448 [pid 5448] <... rseq resumed>) = 0 [pid 5447] <... set_robust_list resumed>) = 0 [ 95.706735][ T5438] reiserfs: enabling write barrier flush mode [pid 5448] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5447] chdir("./18" [pid 5445] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] rt_sigprocmask(SIG_SETMASK, [], [pid 5447] <... chdir resumed>) = 0 [pid 5445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5445] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] memfd_create("syzkaller", 0 [pid 5447] <... prctl resumed>) = 0 [pid 5445] <... futex resumed>) = 0 [pid 5448] <... memfd_create resumed>) = 3 [pid 5447] setpgid(0, 0 [pid 5446] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5445] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5440] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5447] <... setpgid resumed>) = 0 [pid 5448] <... mmap resumed>) = 0x7feca2c44000 [pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5447] write(3, "1000", 4) = 4 [pid 5447] close(3) = 0 [pid 5447] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5447] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5438] <... mount resumed>) = 0 [pid 5447] <... rt_sigaction resumed>NULL, 8) = 0 [ 95.743758][ T5438] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 95.777076][ T5440] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5438] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5438] chdir(".") = 0 [pid 5438] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5438] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] <... futex resumed>) = 0 [pid 5436] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5438] <... futex resumed>) = 0 [pid 5436] <... futex resumed>) = 1 [pid 5438] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5436] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5438] <... openat resumed>) = 5 [pid 5438] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5436] <... futex resumed>) = 0 [pid 5438] ftruncate(5, 100663296 [pid 5436] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5438] <... ftruncate resumed>) = 0 [pid 5436] <... futex resumed>) = 0 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5436] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5447] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5448] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5447] <... mprotect resumed>) = 0 [pid 5438] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... write resumed>) = 4194304 [pid 5447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5442] munmap(0x7feca2c44000, 138412032 [pid 5438] <... futex resumed>) = 1 [pid 5436] <... futex resumed>) = 0 [pid 5447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5447] 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 5438] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5436] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5436] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5450 attached [pid 5450] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5447] <... clone3 resumed> => {parent_tid=[5450]}, 88) = 5450 [pid 5450] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5450] rt_sigprocmask(SIG_SETMASK, [], [pid 5442] <... munmap resumed>) = 0 [pid 5447] rt_sigprocmask(SIG_SETMASK, [], [pid 5450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5450] memfd_create("syzkaller", 0 [pid 5447] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] <... memfd_create resumed>) = 3 [pid 5447] <... futex resumed>) = 0 [pid 5450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5447] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5450] <... mmap resumed>) = 0x7feca2c44000 [pid 5446] <... write resumed>) = 4194304 [pid 5446] munmap(0x7feca2c44000, 138412032 [ 95.814553][ T5440] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 95.824640][ T5440] REISERFS (device loop2): using ordered data mode [ 95.831472][ T5440] reiserfs: using flush barriers [ 95.841734][ T5440] 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 5442] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5446] <... munmap resumed>) = 0 [pid 5442] <... openat resumed>) = 4 [pid 5438] <... openat resumed>) = 6 [pid 5446] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5442] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5446] <... openat resumed>) = 4 [pid 5446] ioctl(4, LOOP_SET_FD, 3 [pid 5442] close(3 [pid 5438] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5436] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5436] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] <... ioctl resumed>) = 0 [pid 5438] <... futex resumed>) = 1 [pid 5442] <... close resumed>) = 0 [pid 5442] mkdir("./file0", 0777 [pid 5438] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5436] <... futex resumed>) = 0 [pid 5436] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 5438] <... openat resumed>) = 7 [pid 5442] <... mkdir resumed>) = 0 [pid 5438] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5438] <... futex resumed>) = 1 [pid 5436] <... futex resumed>) = 0 [pid 5438] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5436] exit_group(0 [pid 5438] <... futex resumed>) = ? [pid 5436] <... exit_group resumed>) = ? [pid 5450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5438] +++ exited with 0 +++ [ 95.885878][ T5442] loop1: detected capacity change from 0 to 8192 [ 95.897473][ T5440] REISERFS (device loop2): checking transaction log (loop2) [ 95.905791][ T5446] loop0: detected capacity change from 0 to 8192 [ 95.918542][ T5440] REISERFS (device loop2): Using r5 hash to sort names [pid 5436] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5436, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5446] close(3) = 0 [pid 5062] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5446] mkdir("./file0", 0777) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5446] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5062] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", [pid 5448] <... write resumed>) = 4194304 [pid 5440] <... mount resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5440] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5062] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5440] <... openat resumed>) = 3 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5440] chdir("./file0" [pid 5062] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5440] <... chdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5440] ioctl(4, LOOP_CLR_FD [pid 5062] unlink("./18/binderfs" [pid 5440] <... ioctl resumed>) = 0 [pid 5440] close(4 [pid 5062] <... unlink resumed>) = 0 [pid 5448] munmap(0x7feca2c44000, 138412032 [pid 5440] <... close resumed>) = 0 [pid 5440] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5440] <... futex resumed>) = 1 [ 95.931824][ T5442] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 95.952941][ T5446] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5448] <... munmap resumed>) = 0 [pid 5440] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] <... futex resumed>) = 0 [pid 5448] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5439] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... openat resumed>) = 4 [pid 5440] <... futex resumed>) = 0 [pid 5439] <... futex resumed>) = 1 [pid 5448] ioctl(4, LOOP_SET_FD, 3 [pid 5440] mkdir(".", 0777 [pid 5439] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5450] <... write resumed>) = 4194304 [pid 5448] <... ioctl resumed>) = 0 [pid 5440] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5440] 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 5450] munmap(0x7feca2c44000, 138412032 [pid 5448] close(3) = 0 [pid 5450] <... munmap resumed>) = 0 [ 95.991629][ T5448] loop4: detected capacity change from 0 to 8192 [ 95.992370][ T5442] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 96.004946][ T5446] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 96.012394][ T5440] reiserfs: enabling write barrier flush mode [ 96.016890][ T5446] REISERFS (device loop0): using ordered data mode [ 96.031570][ T5446] reiserfs: using flush barriers [pid 5448] mkdir("./file0", 0777 [pid 5450] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5448] <... mkdir resumed>) = 0 [pid 5450] <... openat resumed>) = 4 [pid 5448] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 96.039626][ T5442] REISERFS (device loop1): using ordered data mode [ 96.051684][ T5440] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 96.063043][ T5450] loop3: detected capacity change from 0 to 8192 [ 96.069908][ T5446] 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 5450] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5450] close(3) = 0 [pid 5440] <... mount resumed>) = 0 [pid 5440] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5450] mkdir("./file0", 0777 [pid 5440] <... openat resumed>) = 4 [pid 5440] chdir("." [pid 5450] <... mkdir resumed>) = 0 [pid 5440] <... chdir resumed>) = 0 [pid 5450] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5440] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5439] <... futex resumed>) = 0 [pid 5440] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5439] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... openat resumed>) = 5 [pid 5439] <... futex resumed>) = 0 [pid 5440] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... futex resumed>) = 0 [pid 5439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5440] ftruncate(5, 100663296 [pid 5439] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 96.086616][ T5448] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 96.087597][ T5442] reiserfs: using flush barriers [ 96.117476][ T5448] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 96.119310][ T5446] REISERFS (device loop0): checking transaction log (loop0) [pid 5439] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... ftruncate resumed>) = 0 [ 96.143567][ T5450] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 96.152035][ T5448] REISERFS (device loop4): using ordered data mode [ 96.157460][ T5450] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 96.166728][ T5442] 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 5440] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5440] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5439] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5439] <... futex resumed>) = 0 [pid 5440] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5439] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... openat resumed>) = 6 [pid 5440] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5439] <... futex resumed>) = 0 [pid 5439] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5446] <... mount resumed>) = 0 [pid 5440] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5439] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] <... openat resumed>) = 7 [ 96.173421][ T5450] REISERFS (device loop3): using ordered data mode [ 96.195413][ T5450] reiserfs: using flush barriers [ 96.202245][ T5450] 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 [ 96.219322][ T5450] REISERFS (device loop3): checking transaction log (loop3) [ 96.226331][ T5446] REISERFS (device loop0): Using r5 hash to sort names [pid 5446] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5440] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 5446] <... openat resumed>) = 3 [pid 5440] <... futex resumed>) = 1 [pid 5446] chdir("./file0" [pid 5440] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] <... chdir resumed>) = 0 [pid 5439] <... futex resumed>) = 0 [pid 5446] ioctl(4, LOOP_CLR_FD) = 0 [pid 5439] exit_group(0 [pid 5062] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5450] <... mount resumed>) = 0 [pid 5446] close(4 [pid 5440] <... futex resumed>) = ? [pid 5439] <... exit_group resumed>) = ? [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5450] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5446] <... close resumed>) = 0 [pid 5440] +++ exited with 0 +++ [pid 5446] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5439] +++ exited with 0 +++ [pid 5062] newfstatat(AT_FDCWD, "./18/file0", [pid 5446] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5439, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5443] <... futex resumed>) = 0 [pid 5446] mkdir(".", 0777 [pid 5443] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5446] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5446] 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("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 96.240387][ T5450] REISERFS (device loop3): Using r5 hash to sort names [ 96.244292][ T5442] REISERFS (device loop1): checking transaction log (loop1) [ 96.256407][ T5448] reiserfs: using flush barriers [ 96.257734][ T5442] REISERFS (device loop1): Using r5 hash to sort names [ 96.271388][ T5448] 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 5450] <... openat resumed>) = 3 [pid 5062] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5450] chdir("./file0" [pid 5062] <... openat resumed>) = 4 [pid 5450] <... chdir resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 5450] ioctl(4, LOOP_CLR_FD [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5450] <... ioctl resumed>) = 0 [pid 5062] getdents64(4, [pid 5450] close(4 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5450] <... close resumed>) = 0 [pid 5450] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... mount resumed>) = 0 [pid 5062] getdents64(4, [pid 5059] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5450] <... futex resumed>) = 1 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5450] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] close(4 [pid 5442] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5062] <... close resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5062] rmdir("./18/file0" [pid 5442] <... openat resumed>) = 3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5447] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5447] <... futex resumed>) = 1 [pid 5059] <... openat resumed>) = 3 [pid 5450] <... futex resumed>) = 0 [pid 5450] mkdir(".", 0777 [pid 5447] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5442] chdir("./file0" [pid 5062] <... rmdir resumed>) = 0 [pid 5059] newfstatat(3, "", [pid 5450] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5442] <... chdir resumed>) = 0 [pid 5062] getdents64(3, [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5450] 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 5442] ioctl(4, LOOP_CLR_FD [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./18/binderfs" [pid 5442] <... ioctl resumed>) = 0 [pid 5062] close(3 [pid 5059] <... unlink resumed>) = 0 [ 96.293490][ T5446] reiserfs: enabling write barrier flush mode [ 96.312069][ T5450] reiserfs: enabling write barrier flush mode [ 96.315659][ T5446] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 96.326918][ T5448] REISERFS (device loop4): checking transaction log (loop4) [ 96.338475][ T5450] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5059] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5442] close(4 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./18" [pid 5442] <... close resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5442] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5442] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] mkdir("./19", 0777 [pid 5441] <... futex resumed>) = 0 [pid 5441] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = 0 [pid 5441] <... futex resumed>) = 1 [pid 5441] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5442] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5442] 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] <... mkdir resumed>) = 0 [pid 5446] <... mount resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5446] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5446] <... openat resumed>) = 4 [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5450] <... mount resumed>) = 0 [pid 5446] chdir("." [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5455 [pid 5446] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5455 attached [pid 5455] set_robust_list(0x55555568a6a0, 24 [pid 5450] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5446] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... mount resumed>) = 0 [pid 5446] <... futex resumed>) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5442] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5450] <... openat resumed>) = 4 [pid 5446] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5443] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... openat resumed>) = 4 [pid 5446] <... openat resumed>) = 5 [pid 5442] chdir("." [pid 5446] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 0 [pid 5442] <... chdir resumed>) = 0 [pid 5443] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5442] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5443] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5441] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5442] <... openat resumed>) = 5 [pid 5441] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5443] <... futex resumed>) = 0 [pid 5442] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5446] <... futex resumed>) = 0 [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5441] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] ftruncate(5, 100663296 [pid 5442] ftruncate(5, 100663296 [pid 5441] <... futex resumed>) = 0 [pid 5441] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... mount resumed>) = 0 [pid 5450] chdir("." [pid 5455] <... set_robust_list resumed>) = 0 [pid 5448] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5455] chdir("./19" [pid 5448] <... openat resumed>) = 3 [pid 5448] chdir("./file0") = 0 [ 96.365081][ T5442] reiserfs: enabling write barrier flush mode [ 96.391953][ T5442] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 96.399188][ T5448] REISERFS (device loop4): Using r5 hash to sort names [pid 5455] <... chdir resumed>) = 0 [pid 5450] <... chdir resumed>) = 0 [pid 5448] ioctl(4, LOOP_CLR_FD [pid 5446] <... ftruncate resumed>) = 0 [pid 5442] <... ftruncate resumed>) = 0 [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5450] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5450] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] <... futex resumed>) = 0 [pid 5447] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... ioctl resumed>) = 0 [pid 5448] close(4) = 0 [pid 5448] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... prctl resumed>) = 0 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5442] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5441] <... futex resumed>) = 0 [pid 5441] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] <... futex resumed>) = 1 [pid 5450] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5441] <... futex resumed>) = 0 [pid 5442] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5441] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... futex resumed>) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5448] mkdir(".", 0777 [pid 5445] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5445] <... futex resumed>) = 0 [pid 5448] 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 5445] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5455] setpgid(0, 0 [pid 5450] <... openat resumed>) = 5 [pid 5446] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5443] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] <... setpgid resumed>) = 0 [pid 5450] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] <... futex resumed>) = 0 [pid 5443] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5442] <... openat resumed>) = 6 [pid 5450] <... futex resumed>) = 1 [pid 5446] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5442] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5441] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5441] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5447] <... futex resumed>) = 0 [pid 5447] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5447] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5450] <... futex resumed>) = 0 [pid 5446] <... openat resumed>) = 6 [pid 5442] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5450] ftruncate(5, 100663296 [pid 5442] <... openat resumed>) = 7 [pid 5450] <... ftruncate resumed>) = 0 [pid 5446] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5455] <... openat resumed>) = 3 [pid 5443] <... futex resumed>) = 0 [pid 5446] <... openat resumed>) = 7 [pid 5443] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5455] write(3, "1000", 4 [pid 5450] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] <... mount resumed>) = 0 [pid 5446] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5442] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... write resumed>) = 4 [pid 5450] <... futex resumed>) = 1 [pid 5447] <... futex resumed>) = 0 [pid 5446] <... futex resumed>) = 1 [pid 5443] <... futex resumed>) = 0 [pid 5442] <... futex resumed>) = 1 [pid 5441] <... futex resumed>) = 0 [pid 5455] close(3 [pid 5450] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5447] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5446] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5443] exit_group(0 [pid 5441] exit_group(0 [pid 5455] <... close resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5446] <... futex resumed>) = ? [pid 5443] <... exit_group resumed>) = ? [pid 5441] <... exit_group resumed>) = ? [pid 5455] symlink("/dev/binderfs", "./binderfs" [pid 5448] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5447] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5442] +++ exited with 0 +++ [pid 5441] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5441, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5058] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5455] <... symlink resumed>) = 0 [pid 5450] <... openat resumed>) = 6 [pid 5448] <... openat resumed>) = 4 [pid 5058] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5455] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5450] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] chdir("." [pid 5058] newfstatat(3, "", [pid 5455] <... futex resumed>) = 0 [pid 5450] <... futex resumed>) = 1 [pid 5448] <... chdir resumed>) = 0 [pid 5447] <... futex resumed>) = 0 [pid 5455] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5450] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5447] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5455] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5448] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... futex resumed>) = 0 [pid 5455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5450] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5448] <... futex resumed>) = 1 [ 96.465949][ T5448] reiserfs: enabling write barrier flush mode [ 96.497304][ T5448] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5447] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5445] <... futex resumed>) = 0 [pid 5058] getdents64(3, [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5450] <... openat resumed>) = 7 [pid 5448] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5446] +++ exited with 0 +++ [pid 5445] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] +++ exited with 0 +++ [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5445] <... futex resumed>) = 0 [pid 5058] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5443, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5455] <... mmap resumed>) = 0x7fecab044000 [pid 5450] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5448] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5445] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... umount2 resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5455] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5450] <... futex resumed>) = 1 [pid 5448] <... openat resumed>) = 5 [pid 5447] <... futex resumed>) = 0 [pid 5059] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5455] <... mprotect resumed>) = 0 [pid 5450] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5448] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] exit_group(0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5450] <... futex resumed>) = ? [pid 5448] <... futex resumed>) = 1 [pid 5447] <... exit_group resumed>) = ? [pid 5445] <... futex resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./18/file0", [pid 5058] unlink("./19/binderfs" [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5450] +++ exited with 0 +++ [pid 5448] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5455] 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 5447] +++ exited with 0 +++ [pid 5445] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... unlink resumed>) = 0 [pid 5057] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5456 attached [pid 5448] <... futex resumed>) = 0 [pid 5445] <... futex resumed>) = 1 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5447, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5059] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] newfstatat(3, "", [pid 5456] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5455] <... clone3 resumed> => {parent_tid=[5456]}, 88) = 5456 [pid 5448] ftruncate(5, 100663296 [pid 5445] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5456] <... rseq resumed>) = 0 [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... restart_syscall resumed>) = 0 [pid 5059] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] getdents64(3, [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5455] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5455] <... futex resumed>) = 0 [pid 5060] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] newfstatat(4, "", [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5455] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5060] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... 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 5060] <... openat resumed>) = 3 [pid 5057] unlink("./18/binderfs" [pid 5456] set_robust_list(0x7fecab0649a0, 24 [pid 5060] newfstatat(3, "", [pid 5059] getdents64(4, [pid 5057] <... unlink resumed>) = 0 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5448] <... ftruncate resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5456] rt_sigprocmask(SIG_SETMASK, [], [pid 5448] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(3, [pid 5059] getdents64(4, [pid 5456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5448] <... futex resumed>) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5448] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5445] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5456] memfd_create("syzkaller", 0 [pid 5445] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5456] <... memfd_create resumed>) = 3 [pid 5445] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./18/binderfs", [pid 5059] close(4 [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... close resumed>) = 0 [pid 5456] <... mmap resumed>) = 0x7feca2c44000 [pid 5060] unlink("./18/binderfs" [pid 5059] rmdir("./18/file0" [pid 5060] <... unlink resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5060] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5448] <... openat resumed>) = 6 [pid 5059] rmdir("./18") = 0 [pid 5448] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5445] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5445] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] mkdir("./19", 0777) = 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) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5457 attached [pid 5448] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5457] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5457] chdir("./19" [pid 5448] <... openat resumed>) = 7 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5457 [pid 5457] <... chdir resumed>) = 0 [pid 5456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5448] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... prctl resumed>) = 0 [pid 5448] <... futex resumed>) = 1 [pid 5445] <... futex resumed>) = 0 [pid 5445] exit_group(0) = ? [pid 5457] setpgid(0, 0) = 0 [pid 5457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... umount2 resumed>) = 0 [pid 5448] +++ exited with 0 +++ [pid 5445] +++ exited with 0 +++ [pid 5457] <... openat resumed>) = 3 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5445, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5457] write(3, "1000", 4) = 4 [pid 5457] close(3) = 0 [pid 5457] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5061] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5457] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5457] <... futex resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5457] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5061] <... openat resumed>) = 3 [pid 5457] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5061] newfstatat(3, "", [pid 5457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5457] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] getdents64(3, [pid 5457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5457] <... mmap resumed>) = 0x7fecab044000 [pid 5061] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5457] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5457] <... mprotect resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5061] unlink("./19/binderfs" [pid 5457] 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] <... unlink resumed>) = 0 [pid 5061] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5457] <... clone3 resumed> => {parent_tid=[5458]}, 88) = 5458 [pid 5457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5457] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5458 attached ) = 0 [pid 5457] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5458] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [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("./19/file0") = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5058] rmdir("./19") = 0 [pid 5458] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5058] mkdir("./20", 0777 [pid 5458] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... mkdir resumed>) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5458] memfd_create("syzkaller", 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 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5458] <... memfd_create resumed>) = 3 [pid 5458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 ./strace-static-x86_64: Process 5459 attached [pid 5459] set_robust_list(0x55555568a6a0, 24 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5459 [pid 5459] <... set_robust_list resumed>) = 0 [pid 5459] chdir("./20") = 0 [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5459] setpgid(0, 0) = 0 [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5057] <... umount2 resumed>) = 0 [pid 5459] write(3, "1000", 4 [pid 5060] <... umount2 resumed>) = 0 [pid 5459] <... write resumed>) = 4 [pid 5057] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5459] close(3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5459] <... close resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./18/file0", [pid 5459] symlink("/dev/binderfs", "./binderfs" [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5459] <... symlink resumed>) = 0 [pid 5459] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5459] <... futex resumed>) = 0 [pid 5057] <... openat resumed>) = 4 [pid 5459] 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(4, "", [pid 5060] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5057] getdents64(4, [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5459] <... mmap resumed>) = 0x7fecab044000 [pid 5057] getdents64(4, [pid 5459] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5459] <... mprotect resumed>) = 0 [pid 5057] close(4 [pid 5459] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5057] <... close resumed>) = 0 [pid 5459] 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] rmdir("./18/file0") = 0 [pid 5459] <... clone3 resumed> => {parent_tid=[5460]}, 88) = 5460 [pid 5459] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] getdents64(3, [pid 5459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5459] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] close(3./strace-static-x86_64: Process 5460 attached [pid 5459] <... futex resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5460] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5459] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./18/file0", [pid 5057] rmdir("./18" [pid 5460] <... rseq resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5460] set_robust_list(0x7fecab0649a0, 24 [pid 5060] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5460] <... set_robust_list resumed>) = 0 [pid 5057] mkdir("./19", 0777 [pid 5460] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... mkdir resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5460] memfd_create("syzkaller", 0) = 3 [pid 5460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5060] newfstatat(4, "", [pid 5458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD) = -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 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5461 [pid 5060] getdents64(4, [pid 5456] <... write resumed>) = 4194304 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, ./strace-static-x86_64: Process 5461 attached 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5461] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5456] munmap(0x7feca2c44000, 138412032 [pid 5060] close(4 [pid 5461] chdir("./19" [pid 5060] <... close resumed>) = 0 [pid 5461] <... chdir resumed>) = 0 [pid 5060] rmdir("./18/file0" [pid 5461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5461] setpgid(0, 0) = 0 [pid 5461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5456] <... munmap resumed>) = 0 [pid 5060] getdents64(3, [pid 5461] write(3, "1000", 4) = 4 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5456] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5461] close(3) = 0 [pid 5461] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5456] <... openat resumed>) = 4 [pid 5060] close(3 [pid 5461] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... close resumed>) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5461] 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 5461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5461] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5461] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5461] 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=[5462]}, 88) = 5462 [pid 5461] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5462 attached NULL, 8) = 0 [pid 5462] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5461] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... rseq resumed>) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5462] set_robust_list(0x7fecab0649a0, 24 [pid 5461] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] rmdir("./18" [pid 5462] <... set_robust_list resumed>) = 0 [pid 5462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5462] memfd_create("syzkaller", 0) = 3 [pid 5462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5456] <... ioctl resumed>) = 0 [pid 5060] mkdir("./19", 0777 [pid 5456] close(3 [pid 5060] <... mkdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5456] <... close resumed>) = 0 [pid 5456] mkdir("./file0", 0777 [pid 5460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 resumed>) = 3 [pid 5061] <... umount2 resumed>) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5456] <... mkdir resumed>) = 0 [pid 5456] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5061] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] close(3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 96.902090][ T5456] loop5: detected capacity change from 0 to 8192 [pid 5060] <... close resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./19/file0", [pid 5462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5464 [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, ./strace-static-x86_64: Process 5464 attached [pid 5458] <... write resumed>) = 4194304 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5464] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5458] munmap(0x7feca2c44000, 138412032 [pid 5061] getdents64(4, [ 96.957340][ T5456] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5464] chdir("./19") = 0 [pid 5460] <... write resumed>) = 4194304 [pid 5458] <... munmap resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5460] munmap(0x7feca2c44000, 138412032 [pid 5458] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] close(4 [pid 5458] <... openat resumed>) = 4 [pid 5458] ioctl(4, LOOP_SET_FD, 3 [pid 5061] <... close resumed>) = 0 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5464] setpgid(0, 0) = 0 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5464] write(3, "1000", 4) = 4 [pid 5061] rmdir("./19/file0" [pid 5464] close(3) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5061] getdents64(3, [pid 5464] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5061] close(3 [pid 5458] <... ioctl resumed>) = 0 [pid 5458] close(3 [pid 5061] <... close resumed>) = 0 [pid 5458] <... close resumed>) = 0 [pid 5061] rmdir("./19" [pid 5458] mkdir("./file0", 0777 [pid 5464] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5460] <... munmap resumed>) = 0 [pid 5458] <... mkdir resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5458] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5061] mkdir("./20", 0777 [pid 5464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5460] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5061] <... openat resumed>) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5460] <... openat resumed>) = 4 [ 97.014471][ T5456] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 97.025478][ T5458] loop2: detected capacity change from 0 to 8192 [ 97.049378][ T5456] REISERFS (device loop5): using ordered data mode [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5460] ioctl(4, LOOP_SET_FD, 3 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] close(3 [pid 5464] <... mmap resumed>) = 0x7fecab044000 [pid 5464] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5462] <... write resumed>) = 4194304 [pid 5061] <... close resumed>) = 0 [pid 5462] munmap(0x7feca2c44000, 138412032 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5467 attached => {parent_tid=[5466]}, 88) = 5466 [pid 5462] <... munmap resumed>) = 0 [pid 5460] <... ioctl resumed>) = 0 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5464] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5464] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5466 attached [pid 5466] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5466] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5466] memfd_create("syzkaller", 0 [pid 5467] set_robust_list(0x55555568a6a0, 24 [pid 5462] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5460] close(3 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5467 [pid 5466] <... memfd_create resumed>) = 3 [pid 5462] <... openat resumed>) = 4 [pid 5467] <... set_robust_list resumed>) = 0 [pid 5460] <... close resumed>) = 0 [ 97.059956][ T5460] loop1: detected capacity change from 0 to 8192 [ 97.068743][ T5458] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.086842][ T5456] reiserfs: using flush barriers [ 97.089079][ T5458] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 97.102616][ T5458] REISERFS (device loop2): using ordered data mode [ 97.110143][ T5458] reiserfs: using flush barriers [pid 5466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5467] chdir("./20" [pid 5460] mkdir("./file0", 0777 [pid 5467] <... chdir resumed>) = 0 [pid 5460] <... mkdir resumed>) = 0 [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5460] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5467] <... prctl resumed>) = 0 [pid 5467] setpgid(0, 0 [pid 5462] ioctl(4, LOOP_SET_FD, 3 [pid 5467] <... setpgid resumed>) = 0 [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5467] write(3, "1000", 4) = 4 [ 97.118461][ T5456] 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 [ 97.136864][ T5462] loop0: detected capacity change from 0 to 8192 [ 97.141407][ T5460] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.156157][ T5456] REISERFS (device loop5): checking transaction log (loop5) [pid 5467] close(3) = 0 [pid 5466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5462] <... ioctl resumed>) = 0 [pid 5467] symlink("/dev/binderfs", "./binderfs" [pid 5462] close(3 [pid 5467] <... symlink resumed>) = 0 [pid 5462] <... close resumed>) = 0 [pid 5467] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] mkdir("./file0", 0777 [pid 5467] <... futex resumed>) = 0 [pid 5462] <... mkdir resumed>) = 0 [pid 5467] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5462] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5467] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5470]}, 88) = 5470 [pid 5467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5470 attached [pid 5467] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5467] <... futex resumed>) = 0 [pid 5470] <... rseq resumed>) = 0 [pid 5467] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5456] <... mount resumed>) = 0 [pid 5456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5470] set_robust_list(0x7fecab0649a0, 24 [pid 5456] <... openat resumed>) = 3 [pid 5470] <... set_robust_list resumed>) = 0 [pid 5470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5470] memfd_create("syzkaller", 0 [pid 5456] chdir("./file0") = 0 [pid 5456] ioctl(4, LOOP_CLR_FD [pid 5470] <... memfd_create resumed>) = 3 [pid 5456] <... ioctl resumed>) = 0 [pid 5456] close(4) = 0 [pid 5456] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5455] <... futex resumed>) = 0 [pid 5456] <... futex resumed>) = 1 [pid 5455] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] mkdir(".", 0777 [pid 5455] <... futex resumed>) = 0 [pid 5456] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5456] 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, "" [ 97.157259][ T5458] 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 [ 97.183319][ T5462] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.183949][ T5456] REISERFS (device loop5): Using r5 hash to sort names [ 97.198754][ T5460] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5455] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5456] <... mount resumed>) = 0 [ 97.221977][ T5456] reiserfs: enabling write barrier flush mode [ 97.225176][ T5458] REISERFS (device loop2): checking transaction log (loop2) [ 97.238438][ T5456] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 97.248227][ T5462] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 97.256082][ T5460] REISERFS (device loop1): using ordered data mode [ 97.257776][ T5462] REISERFS (device loop0): using ordered data mode [pid 5456] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5456] chdir(".") = 0 [pid 5456] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5456] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5455] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5456] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 97.265288][ T5460] reiserfs: using flush barriers [ 97.270857][ T5462] reiserfs: using flush barriers [ 97.283716][ T5462] 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 [ 97.300939][ T5462] REISERFS (device loop0): checking transaction log (loop0) [ 97.312015][ T5462] REISERFS (device loop0): Using r5 hash to sort names [pid 5455] <... futex resumed>) = 0 [pid 5462] <... mount resumed>) = 0 [pid 5456] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5456] ftruncate(5, 100663296 [pid 5470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5466] <... write resumed>) = 4194304 [pid 5462] <... openat resumed>) = 3 [pid 5458] <... mount resumed>) = 0 [pid 5456] <... ftruncate resumed>) = 0 [pid 5455] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5466] munmap(0x7feca2c44000, 138412032 [pid 5462] chdir("./file0") = 0 [pid 5458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5466] <... munmap resumed>) = 0 [pid 5462] ioctl(4, LOOP_CLR_FD [pid 5458] <... openat resumed>) = 3 [pid 5462] <... ioctl resumed>) = 0 [pid 5458] chdir("./file0") = 0 [pid 5456] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] close(4 [pid 5458] ioctl(4, LOOP_CLR_FD [pid 5456] <... futex resumed>) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5466] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5462] <... close resumed>) = 0 [pid 5458] <... ioctl resumed>) = 0 [pid 5456] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5455] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... openat resumed>) = 4 [pid 5462] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] close(4 [pid 5456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5455] <... futex resumed>) = 0 [pid 5466] ioctl(4, LOOP_SET_FD, 3 [pid 5462] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5458] <... close resumed>) = 0 [pid 5456] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5455] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 0 [pid 5461] <... futex resumed>) = 1 [pid 5462] mkdir(".", 0777 [pid 5461] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5462] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5462] 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, "" [ 97.319793][ T5458] REISERFS (device loop2): Using r5 hash to sort names [ 97.332719][ T5460] 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 [ 97.360074][ T5466] loop3: detected capacity change from 0 to 8192 [pid 5458] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5457] <... futex resumed>) = 0 [pid 5458] mkdir(".", 0777 [pid 5457] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5457] <... futex resumed>) = 0 [pid 5458] 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 5457] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5466] <... ioctl resumed>) = 0 [pid 5466] close(3) = 0 [pid 5456] <... openat resumed>) = 6 [ 97.375479][ T5462] reiserfs: enabling write barrier flush mode [ 97.384742][ T5458] reiserfs: enabling write barrier flush mode [ 97.389470][ T5460] REISERFS (device loop1): checking transaction log (loop1) [pid 5466] mkdir("./file0", 0777 [pid 5455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5455] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5455] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5466] <... mkdir resumed>) = 0 [pid 5455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5455] 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=[5471]}, 88) = 5471 [pid 5455] rt_sigprocmask(SIG_SETMASK, [], [pid 5460] <... mount resumed>) = 0 [pid 5455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5455] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5471 attached [pid 5456] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5471] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5456] <... futex resumed>) = 0 [pid 5471] <... rseq resumed>) = 0 [pid 5456] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5471] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5471] rt_sigprocmask(SIG_SETMASK, [], [pid 5466] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5471] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5471] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5471] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... mount resumed>) = 0 [pid 5455] exit_group(0 [pid 5471] <... futex resumed>) = ? [ 97.416446][ T5458] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 97.434849][ T5460] REISERFS (device loop1): Using r5 hash to sort names [ 97.452966][ T5462] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5458] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5456] <... futex resumed>) = ? [pid 5455] <... exit_group resumed>) = ? [pid 5471] +++ exited with 0 +++ [pid 5458] <... openat resumed>) = 4 [pid 5456] +++ exited with 0 +++ [pid 5455] +++ exited with 0 +++ [pid 5458] chdir(".") = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5458] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5458] <... futex resumed>) = 1 [pid 5457] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5458] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5457] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] <... openat resumed>) = 5 [pid 5062] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5460] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5458] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5460] <... openat resumed>) = 3 [pid 5458] <... futex resumed>) = 0 [pid 5457] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] newfstatat(3, "", [pid 5460] chdir("./file0" [pid 5458] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5460] <... chdir resumed>) = 0 [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5457] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(3, [pid 5460] ioctl(4, LOOP_CLR_FD [pid 5458] ftruncate(5, 100663296 [pid 5457] <... futex resumed>) = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5460] <... ioctl resumed>) = 0 [pid 5457] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5460] close(4 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5460] <... close resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5460] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5460] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5062] unlink("./19/binderfs" [pid 5460] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... unlink resumed>) = 0 [pid 5460] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5459] <... futex resumed>) = 0 [ 97.465142][ T5466] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5062] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5470] <... write resumed>) = 4194304 [pid 5462] <... mount resumed>) = 0 [pid 5460] mkdir(".", 0777 [pid 5459] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5470] munmap(0x7feca2c44000, 138412032 [pid 5462] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5460] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5458] <... ftruncate resumed>) = 0 [pid 5470] <... munmap resumed>) = 0 [pid 5462] <... openat resumed>) = 4 [pid 5460] 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 5458] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5462] chdir("." [pid 5458] <... futex resumed>) = 1 [pid 5457] <... futex resumed>) = 0 [pid 5470] <... openat resumed>) = 4 [ 97.509760][ T5466] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 97.519615][ T5466] REISERFS (device loop3): using ordered data mode [ 97.527243][ T5466] reiserfs: using flush barriers [ 97.538552][ T5460] reiserfs: enabling write barrier flush mode [pid 5457] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] ioctl(4, LOOP_SET_FD, 3 [pid 5462] <... chdir resumed>) = 0 [pid 5458] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5457] <... futex resumed>) = 0 [pid 5462] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... futex resumed>) = 1 [pid 5462] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] <... openat resumed>) = 6 [pid 5470] <... ioctl resumed>) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5461] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5458] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5457] <... futex resumed>) = 0 [pid 5457] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] <... futex resumed>) = 1 [pid 5457] <... futex resumed>) = 0 [pid 5457] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5461] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... futex resumed>) = 0 [pid 5458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5462] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5458] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5462] <... openat resumed>) = 5 [pid 5458] <... openat resumed>) = 7 [pid 5462] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5458] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 1 [pid 5458] <... futex resumed>) = 1 [pid 5470] close(3 [pid 5462] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5458] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5470] <... close resumed>) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5457] <... futex resumed>) = 0 [pid 5461] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5457] exit_group(0 [pid 5461] <... futex resumed>) = 1 [pid 5457] <... exit_group resumed>) = ? [pid 5461] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5470] mkdir("./file0", 0777 [pid 5462] <... futex resumed>) = 0 [pid 5458] <... futex resumed>) = ? [pid 5470] <... mkdir resumed>) = 0 [pid 5462] ftruncate(5, 100663296 [pid 5460] <... mount resumed>) = 0 [pid 5458] +++ exited with 0 +++ [pid 5457] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5457, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [ 97.549210][ T5466] 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 [ 97.552637][ T5470] loop4: detected capacity change from 0 to 8192 [ 97.580074][ T5460] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 97.587184][ T5466] REISERFS (device loop3): checking transaction log (loop3) [pid 5470] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5460] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5462] <... ftruncate resumed>) = 0 [pid 5059] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./19", 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("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5460] <... openat resumed>) = 4 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5460] chdir("." [pid 5059] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5460] <... chdir resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5460] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] unlink("./19/binderfs" [pid 5462] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5460] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5059] <... unlink resumed>) = 0 [pid 5460] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5459] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5460] <... openat resumed>) = 5 [pid 5459] <... futex resumed>) = 0 [pid 5460] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... futex resumed>) = 0 [pid 5459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] ftruncate(5, 100663296 [pid 5459] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5462] <... futex resumed>) = 1 [pid 5461] <... futex resumed>) = 0 [pid 5462] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5461] <... futex resumed>) = 0 [ 97.619680][ T5470] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.637389][ T5470] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 97.648691][ T5466] REISERFS (device loop3): Using r5 hash to sort names [pid 5462] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5466] <... mount resumed>) = 0 [pid 5462] <... openat resumed>) = 6 [pid 5461] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5466] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5462] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5460] <... ftruncate resumed>) = 0 [pid 5461] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] <... futex resumed>) = 0 [pid 5466] <... openat resumed>) = 3 [pid 5461] <... futex resumed>) = 0 [pid 5466] chdir("./file0" [pid 5462] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5461] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5466] <... chdir resumed>) = 0 [pid 5466] ioctl(4, LOOP_CLR_FD [pid 5462] <... openat resumed>) = 7 [pid 5460] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5460] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5459] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5466] <... ioctl resumed>) = 0 [pid 5462] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] close(4 [pid 5462] <... futex resumed>) = 1 [pid 5466] <... close resumed>) = 0 [pid 5461] <... futex resumed>) = 0 [pid 5466] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5462] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5466] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5466] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5461] exit_group(0 [pid 5464] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] <... futex resumed>) = 0 [pid 5462] <... futex resumed>) = ? [pid 5461] <... exit_group resumed>) = ? [pid 5466] mkdir(".", 0777 [pid 5464] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5462] +++ exited with 0 +++ [ 97.665120][ T5470] REISERFS (device loop4): using ordered data mode [ 97.672745][ T5470] reiserfs: using flush barriers [ 97.682342][ T5470] 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 5466] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5461] +++ exited with 0 +++ [pid 5460] <... openat resumed>) = 6 [pid 5460] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5461, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5466] 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 5460] <... futex resumed>) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5459] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5459] <... futex resumed>) = 0 [pid 5459] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5460] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5459] <... futex resumed>) = 0 [pid 5460] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5459] exit_group(0 [pid 5460] <... futex resumed>) = ? [pid 5459] <... exit_group resumed>) = ? [pid 5460] +++ exited with 0 +++ [pid 5459] +++ exited with 0 +++ [pid 5057] newfstatat(3, "", [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5459, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5057] getdents64(3, [pid 5062] <... umount2 resumed>) = 0 [pid 5058] <... restart_syscall resumed>) = 0 [pid 5058] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... openat resumed>) = 3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(3, "", [pid 5062] <... openat resumed>) = 4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] newfstatat(AT_FDCWD, "./19/binderfs", [pid 5062] newfstatat(4, "", [pid 5058] getdents64(3, [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] unlink("./19/binderfs" [pid 5466] <... mount resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... unlink resumed>) = 0 [pid 5470] <... mount resumed>) = 0 [pid 5466] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5470] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5466] <... openat resumed>) = 4 [pid 5470] <... openat resumed>) = 3 [pid 5466] chdir("." [pid 5062] getdents64(4, [pid 5059] <... umount2 resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5470] chdir("./file0" [pid 5466] <... chdir resumed>) = 0 [pid 5059] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5470] <... chdir resumed>) = 0 [pid 5466] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] unlink("./20/binderfs" [pid 5470] ioctl(4, LOOP_CLR_FD [pid 5466] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./19/file0", [pid 5058] <... unlink resumed>) = 0 [pid 5470] <... ioctl resumed>) = 0 [pid 5466] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5470] close(4 [pid 5466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5464] <... futex resumed>) = 0 [pid 5470] <... close resumed>) = 0 [ 97.724871][ T5470] REISERFS (device loop4): checking transaction log (loop4) [ 97.736654][ T5466] reiserfs: enabling write barrier flush mode [ 97.749267][ T5466] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 97.764214][ T5470] REISERFS (device loop4): Using r5 hash to sort names [pid 5466] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5464] 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 5470] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... openat resumed>) = 5 [pid 5062] close(4 [pid 5470] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5466] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5470] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5466] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5466] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] rmdir("./19/file0" [pid 5470] mkdir(".", 0777 [pid 5467] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5470] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5470] 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] <... rmdir resumed>) = 0 [pid 5464] <... futex resumed>) = 0 [pid 5464] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... openat resumed>) = 4 [pid 5466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] newfstatat(4, "", [pid 5466] ftruncate(5, 100663296 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 5059] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5059] close(4) = 0 [pid 5059] rmdir("./19/file0" [pid 5062] rmdir("./19" [pid 5059] <... rmdir resumed>) = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5059] close(3) = 0 [pid 5059] rmdir("./19" [pid 5062] mkdir("./20", 0777 [pid 5059] <... rmdir resumed>) = 0 [pid 5059] mkdir("./20", 0777 [pid 5062] <... mkdir resumed>) = 0 [pid 5059] <... mkdir resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [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) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3 [pid 5466] <... ftruncate resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5466] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] <... close resumed>) = 0 [pid 5464] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5474 [pid 5464] <... futex resumed>) = 0 [pid 5464] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5466] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5474 attached [pid 5470] <... mount resumed>) = 0 [pid 5466] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [ 97.825972][ T5470] reiserfs: enabling write barrier flush mode [ 97.849037][ T5470] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5464] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5475 [pid 5474] set_robust_list(0x55555568a6a0, 24 [pid 5470] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5474] <... set_robust_list resumed>) = 0 [pid 5474] chdir("./20") = 0 [pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5474] setpgid(0, 0) = 0 [pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5474] write(3, "1000", 4./strace-static-x86_64: Process 5475 attached ) = 4 [pid 5470] <... openat resumed>) = 4 [pid 5474] close(3 [pid 5470] chdir("." [pid 5474] <... close resumed>) = 0 [pid 5470] <... chdir resumed>) = 0 [pid 5474] symlink("/dev/binderfs", "./binderfs" [pid 5470] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] set_robust_list(0x55555568a6a0, 24 [pid 5474] <... symlink resumed>) = 0 [pid 5470] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5467] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5475] <... set_robust_list resumed>) = 0 [pid 5470] <... openat resumed>) = 5 [pid 5474] <... futex resumed>) = 0 [pid 5470] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5470] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5475] chdir("./20" [pid 5474] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5467] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5475] <... chdir resumed>) = 0 [pid 5467] <... futex resumed>) = 0 [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5467] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5475] <... prctl resumed>) = 0 [pid 5474] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5475] setpgid(0, 0 [pid 5474] <... mprotect resumed>) = 0 [pid 5475] <... setpgid resumed>) = 0 [pid 5474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5470] ftruncate(5, 100663296 [pid 5466] <... openat resumed>) = 6 [pid 5474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5474] 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 5475] <... openat resumed>) = 3 [pid 5464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5464] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5476 attached [pid 5474] <... clone3 resumed> => {parent_tid=[5476]}, 88) = 5476 [pid 5464] <... mmap resumed>) = 0x7fecab023000 [pid 5475] write(3, "1000", 4 [pid 5474] rt_sigprocmask(SIG_SETMASK, [], [pid 5464] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5464] <... mprotect resumed>) = 0 [pid 5474] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5464] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5474] <... futex resumed>) = 0 [pid 5464] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5474] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5476] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5466] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... rseq resumed>) = 0 [pid 5466] <... futex resumed>) = 0 [pid 5464] <... clone3 resumed> => {parent_tid=[5477]}, 88) = 5477 [pid 5476] set_robust_list(0x7fecab0649a0, 24 [pid 5466] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5476] <... set_robust_list resumed>) = 0 [pid 5464] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] rt_sigprocmask(SIG_SETMASK, [], [pid 5464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] <... write resumed>) = 4 [pid 5464] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5477 attached [pid 5476] memfd_create("syzkaller", 0 [pid 5475] close(3 [pid 5464] <... futex resumed>) = 0 [pid 5058] <... umount2 resumed>) = 0 [pid 5477] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5476] <... memfd_create resumed>) = 3 [pid 5464] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5477] <... rseq resumed>) = 0 [pid 5476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5475] <... close resumed>) = 0 [pid 5477] set_robust_list(0x7fecab0439a0, 24 [pid 5476] <... mmap resumed>) = 0x7feca2c44000 [pid 5058] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5477] <... set_robust_list resumed>) = 0 [pid 5475] symlink("/dev/binderfs", "./binderfs" [pid 5477] rt_sigprocmask(SIG_SETMASK, [], [pid 5470] <... ftruncate resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./20/file0", [pid 5475] <... symlink resumed>) = 0 [pid 5477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5475] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5475] <... futex resumed>) = 0 [pid 5477] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5058] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5477] <... openat resumed>) = 7 [pid 5475] 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 5475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] newfstatat(4, "", [pid 5475] <... mmap resumed>) = 0x7fecab044000 [pid 5470] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5470] <... futex resumed>) = 0 [pid 5467] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5470] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5467] <... futex resumed>) = 0 [pid 5058] getdents64(4, [pid 5475] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5470] <... openat resumed>) = 6 [pid 5467] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... umount2 resumed>) = 0 [pid 5477] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5477] <... futex resumed>) = 1 [pid 5464] <... futex resumed>) = 0 [pid 5058] getdents64(4, [pid 5477] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5464] exit_group(0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5477] <... futex resumed>) = ? [pid 5466] <... futex resumed>) = ? [pid 5464] <... exit_group resumed>) = ? [pid 5058] close(4 [pid 5477] +++ exited with 0 +++ [pid 5466] +++ exited with 0 +++ [pid 5464] +++ exited with 0 +++ [pid 5058] <... close resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5058] rmdir("./20/file0" [pid 5060] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... rmdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] getdents64(3, [pid 5060] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5058] close(3 [pid 5060] newfstatat(3, "", [pid 5058] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, [pid 5058] rmdir("./20" [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] <... rmdir resumed>) = 0 [pid 5475] <... mprotect resumed>) = 0 [pid 5060] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] mkdir("./21", 0777 [pid 5057] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... mkdir resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./19/file0", [pid 5060] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./19/binderfs") = 0 [pid 5058] <... openat resumed>) = 3 [pid 5057] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5470] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5475] 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 5470] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5470] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] close(3 [pid 5470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5467] <... futex resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5057] <... openat resumed>) = 4 [pid 5475] <... clone3 resumed> => {parent_tid=[5478]}, 88) = 5478 [pid 5470] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5467] 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./strace-static-x86_64: Process 5478 attached [pid 5475] rt_sigprocmask(SIG_SETMASK, [], [pid 5470] <... openat resumed>) = 7 [pid 5057] newfstatat(4, "", [pid 5475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5475] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] getdents64(4, [pid 5475] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5478] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5057] getdents64(4, [pid 5478] <... rseq resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5478] set_robust_list(0x7fecab0649a0, 24 [pid 5057] close(4 [pid 5478] <... set_robust_list resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5478] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] rmdir("./19/file0" [pid 5478] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5479 attached [pid 5470] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] set_robust_list(0x55555568a6a0, 24 [pid 5470] <... futex resumed>) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5479 [pid 5057] <... rmdir resumed>) = 0 [pid 5479] <... set_robust_list resumed>) = 0 [pid 5478] memfd_create("syzkaller", 0 [pid 5476] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5470] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] exit_group(0 [pid 5479] chdir("./21") = 0 [pid 5467] <... exit_group resumed>) = ? [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5479] setpgid(0, 0) = 0 [pid 5478] <... memfd_create resumed>) = 3 [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] getdents64(3, [pid 5478] <... mmap resumed>) = 0x7feca2c44000 [pid 5479] <... openat resumed>) = 3 [pid 5470] <... futex resumed>) = ? [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5479] write(3, "1000", 4 [pid 5470] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5057] close(3 [pid 5479] <... write resumed>) = 4 [pid 5479] close(3 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5467, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5479] <... close resumed>) = 0 [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5479] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5479] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] rmdir("./19" [pid 5479] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5061] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... rmdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./20", 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("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./20/binderfs") = 0 [pid 5479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5479] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] mkdir("./20", 0777 [pid 5479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5479] 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=[5480]}, 88) = 5480 [pid 5479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5479] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5480 attached [pid 5479] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5480] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5480] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5480] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] <... openat resumed>) = 3 [pid 5480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5480] memfd_create("syzkaller", 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5480] <... memfd_create resumed>) = 3 [pid 5057] close(3 [pid 5480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5057] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5481 ./strace-static-x86_64: Process 5481 attached [pid 5481] set_robust_list(0x55555568a6a0, 24 [pid 5478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5481] <... set_robust_list resumed>) = 0 [pid 5481] chdir("./20") = 0 [pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5481] setpgid(0, 0) = 0 [pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5481] write(3, "1000", 4) = 4 [pid 5481] close(3 [pid 5061] <... umount2 resumed>) = 0 [pid 5481] <... close resumed>) = 0 [pid 5481] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5061] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5481] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... write resumed>) = 4194304 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5481] <... futex resumed>) = 0 [pid 5480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] newfstatat(AT_FDCWD, "./20/file0", [pid 5481] 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 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5481] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5476] munmap(0x7feca2c44000, 138412032 [pid 5061] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5481] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5481] <... mmap resumed>) = 0x7fecab044000 [pid 5061] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5481] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5060] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5481] <... mprotect resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 5060] newfstatat(AT_FDCWD, "./19/file0", [pid 5481] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5476] <... munmap resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(4, [pid 5060] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5481] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5481] 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 5060] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5482 attached [pid 5481] <... clone3 resumed> => {parent_tid=[5482]}, 88) = 5482 [pid 5476] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, [pid 5481] rt_sigprocmask(SIG_SETMASK, [], [pid 5476] <... openat resumed>) = 4 [pid 5061] getdents64(4, [pid 5481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5481] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5481] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5482] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5476] ioctl(4, LOOP_SET_FD, 3 [pid 5061] <... close resumed>) = 0 [pid 5482] <... rseq resumed>) = 0 [pid 5060] getdents64(4, [pid 5482] set_robust_list(0x7fecab0649a0, 24 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5482] <... set_robust_list resumed>) = 0 [pid 5060] close(4 [pid 5482] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... close resumed>) = 0 [pid 5482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] rmdir("./19/file0" [pid 5482] memfd_create("syzkaller", 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5482] <... memfd_create resumed>) = 3 [pid 5060] getdents64(3, [pid 5482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5482] <... mmap resumed>) = 0x7feca2c44000 [pid 5060] close(3 [pid 5061] rmdir("./20/file0" [pid 5478] <... write resumed>) = 4194304 [pid 5061] <... rmdir resumed>) = 0 [pid 5061] getdents64(3, [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./19" [pid 5476] <... ioctl resumed>) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5476] close(3 [pid 5061] close(3 [pid 5060] mkdir("./20", 0777 [pid 5476] <... close resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5476] mkdir("./file0", 0777 [pid 5061] rmdir("./20" [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5061] mkdir("./21", 0777 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5476] <... mkdir resumed>) = 0 [pid 5060] <... ioctl resumed>) = -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 [pid 5061] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5483 attached [pid 5476] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5483] set_robust_list(0x55555568a6a0, 24 [pid 5478] munmap(0x7feca2c44000, 138412032 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5483 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5483] <... set_robust_list resumed>) = 0 [pid 5478] <... munmap resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5483] chdir("./20" [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 98.263052][ T5476] loop2: detected capacity change from 0 to 8192 [ 98.298684][ T5476] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5061] close(3 [pid 5478] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5061] <... close resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5478] <... openat resumed>) = 4 [pid 5483] <... chdir resumed>) = 0 [pid 5478] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5485 attached [pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5485 [pid 5485] set_robust_list(0x55555568a6a0, 24 [pid 5483] <... prctl resumed>) = 0 [pid 5480] <... write resumed>) = 4194304 [pid 5485] <... set_robust_list resumed>) = 0 [pid 5483] setpgid(0, 0 [pid 5482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5480] munmap(0x7feca2c44000, 138412032 [pid 5478] <... ioctl resumed>) = 0 [pid 5483] <... setpgid resumed>) = 0 [pid 5480] <... munmap resumed>) = 0 [pid 5478] close(3 [pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5480] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5478] <... close resumed>) = 0 [pid 5483] <... openat resumed>) = 3 [pid 5480] <... openat resumed>) = 4 [pid 5478] mkdir("./file0", 0777 [pid 5485] chdir("./21" [pid 5483] write(3, "1000", 4 [ 98.314743][ T5478] loop5: detected capacity change from 0 to 8192 [ 98.334511][ T5476] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 98.343920][ T5476] REISERFS (device loop2): using ordered data mode [ 98.358164][ T5476] reiserfs: using flush barriers [pid 5480] ioctl(4, LOOP_SET_FD, 3 [pid 5478] <... mkdir resumed>) = 0 [pid 5485] <... chdir resumed>) = 0 [pid 5483] <... write resumed>) = 4 [pid 5480] <... ioctl resumed>) = 0 [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5483] close(3 [pid 5485] setpgid(0, 0) = 0 [pid 5483] <... close resumed>) = 0 [pid 5480] close(3) = 0 [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5480] mkdir("./file0", 0777 [pid 5485] <... openat resumed>) = 3 [pid 5483] symlink("/dev/binderfs", "./binderfs" [pid 5480] <... mkdir resumed>) = 0 [pid 5485] write(3, "1000", 4 [pid 5483] <... symlink resumed>) = 0 [pid 5485] <... write resumed>) = 4 [pid 5485] close(3) = 0 [pid 5478] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5485] symlink("/dev/binderfs", "./binderfs" [pid 5483] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] 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 5480] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5485] <... symlink resumed>) = 0 [pid 5483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5485] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5485] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5483] <... mmap resumed>) = 0x7fecab044000 [pid 5485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5483] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [ 98.365594][ T5480] loop1: detected capacity change from 0 to 8192 [ 98.372200][ T5476] 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 5485] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5483] <... mprotect resumed>) = 0 [pid 5485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5483] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5483] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5483] 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=[5488]}, 88) = 5488 ./strace-static-x86_64: Process 5488 attached [pid 5483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5483] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5489 attached [pid 5488] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5483] <... futex resumed>) = 0 [pid 5482] <... write resumed>) = 4194304 [pid 5483] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5489] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5488] <... rseq resumed>) = 0 [pid 5485] <... clone3 resumed> => {parent_tid=[5489]}, 88) = 5489 [ 98.405694][ T5478] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.424630][ T5480] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.435563][ T5476] REISERFS (device loop2): checking transaction log (loop2) [ 98.439886][ T5478] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 98.446214][ T5480] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5482] munmap(0x7feca2c44000, 138412032 [pid 5485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5485] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... munmap resumed>) = 0 [pid 5485] <... futex resumed>) = 0 [pid 5489] <... rseq resumed>) = 0 [pid 5488] set_robust_list(0x7fecab0649a0, 24 [pid 5485] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5482] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5489] set_robust_list(0x7fecab0649a0, 24 [pid 5488] <... set_robust_list resumed>) = 0 [pid 5488] rt_sigprocmask(SIG_SETMASK, [], [pid 5489] <... set_robust_list resumed>) = 0 [pid 5482] <... openat resumed>) = 4 [pid 5489] rt_sigprocmask(SIG_SETMASK, [], [pid 5488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5488] memfd_create("syzkaller", 0 [pid 5482] ioctl(4, LOOP_SET_FD, 3 [pid 5476] <... mount resumed>) = 0 [pid 5489] memfd_create("syzkaller", 0 [pid 5488] <... memfd_create resumed>) = 3 [pid 5482] <... ioctl resumed>) = 0 [pid 5476] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5489] <... memfd_create resumed>) = 3 [pid 5488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5482] close(3 [pid 5476] <... openat resumed>) = 3 [ 98.464512][ T5478] REISERFS (device loop5): using ordered data mode [ 98.465716][ T5476] REISERFS (device loop2): Using r5 hash to sort names [ 98.471342][ T5478] reiserfs: using flush barriers [ 98.488949][ T5480] REISERFS (device loop1): using ordered data mode [ 98.491696][ T5482] loop0: detected capacity change from 0 to 8192 [pid 5489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5488] <... mmap resumed>) = 0x7feca2c44000 [pid 5482] <... close resumed>) = 0 [pid 5476] chdir("./file0" [pid 5489] <... mmap resumed>) = 0x7feca2c44000 [pid 5482] mkdir("./file0", 0777 [pid 5476] <... chdir resumed>) = 0 [pid 5482] <... mkdir resumed>) = 0 [pid 5476] ioctl(4, LOOP_CLR_FD [pid 5482] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5476] <... ioctl resumed>) = 0 [pid 5476] close(4) = 0 [pid 5476] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5476] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5474] <... futex resumed>) = 0 [pid 5474] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 0 [pid 5474] <... futex resumed>) = 1 [pid 5476] mkdir(".", 0777 [pid 5474] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5476] <... mkdir resumed>) = -1 EEXIST (File exists) [ 98.495610][ T5478] 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 [ 98.518333][ T5480] reiserfs: using flush barriers [ 98.537900][ T5476] reiserfs: enabling write barrier flush mode [ 98.541223][ T5478] REISERFS (device loop5): checking transaction log (loop5) [ 98.554453][ T5480] 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 [ 98.570049][ T5476] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 98.581312][ T5478] REISERFS (device loop5): Using r5 hash to sort names [ 98.582472][ T5480] REISERFS (device loop1): checking transaction log (loop1) [ 98.595780][ T5482] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5476] 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 5476] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5476] chdir("." [pid 5478] <... mount resumed>) = 0 [pid 5476] <... chdir resumed>) = 0 [pid 5478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5476] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5476] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] <... openat resumed>) = 3 [pid 5474] <... futex resumed>) = 0 [pid 5478] chdir("./file0" [pid 5474] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... chdir resumed>) = 0 [pid 5476] <... futex resumed>) = 0 [pid 5474] <... futex resumed>) = 1 [pid 5474] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5488] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5480] <... mount resumed>) = 0 [pid 5478] ioctl(4, LOOP_CLR_FD [pid 5476] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [ 98.608855][ T5482] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 98.618479][ T5482] REISERFS (device loop0): using ordered data mode [ 98.625430][ T5482] reiserfs: using flush barriers [ 98.636750][ T5480] REISERFS (device loop1): Using r5 hash to sort names [ 98.637652][ T5482] 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 5480] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5478] <... ioctl resumed>) = 0 [pid 5476] <... openat resumed>) = 5 [pid 5480] chdir("./file0" [pid 5478] close(4 [pid 5480] <... chdir resumed>) = 0 [pid 5478] <... close resumed>) = 0 [pid 5476] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 1 [pid 5480] ioctl(4, LOOP_CLR_FD [pid 5478] <... futex resumed>) = 1 [pid 5476] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5475] <... futex resumed>) = 0 [pid 5480] <... ioctl resumed>) = 0 [pid 5475] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] close(4 [pid 5475] <... futex resumed>) = 0 [pid 5480] <... close resumed>) = 0 [pid 5475] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5480] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] <... futex resumed>) = 0 [pid 5474] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5476] <... futex resumed>) = 0 [pid 5474] <... futex resumed>) = 1 [pid 5476] ftruncate(5, 100663296 [pid 5479] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5474] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5479] <... futex resumed>) = 0 [pid 5480] mkdir(".", 0777 [pid 5478] mkdir(".", 0777 [pid 5479] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5480] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5478] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5482] <... mount resumed>) = 0 [pid 5480] 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 5478] 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 5476] <... ftruncate resumed>) = 0 [pid 5482] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5482] chdir("./file0") = 0 [pid 5476] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] ioctl(4, LOOP_CLR_FD [pid 5476] <... futex resumed>) = 1 [pid 5474] <... futex resumed>) = 0 [pid 5482] <... ioctl resumed>) = 0 [pid 5482] close(4 [pid 5476] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5474] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] <... close resumed>) = 0 [pid 5474] <... futex resumed>) = 0 [pid 5482] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5481] <... futex resumed>) = 0 [pid 5474] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] mkdir(".", 0777 [pid 5481] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 98.661554][ T5482] REISERFS (device loop0): checking transaction log (loop0) [ 98.675176][ T5482] REISERFS (device loop0): Using r5 hash to sort names [ 98.695296][ T5478] reiserfs: enabling write barrier flush mode [ 98.702055][ T5480] reiserfs: enabling write barrier flush mode [pid 5482] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5481] <... futex resumed>) = 0 [pid 5481] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5482] 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 5480] <... mount resumed>) = 0 [ 98.730423][ T5478] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 98.747104][ T5482] reiserfs: enabling write barrier flush mode [ 98.754615][ T5480] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5488] <... write resumed>) = 4194304 [pid 5478] <... mount resumed>) = 0 [pid 5476] <... openat resumed>) = 6 [pid 5474] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5480] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5476] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5476] <... futex resumed>) = 0 [pid 5474] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... openat resumed>) = 4 [pid 5476] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5474] <... futex resumed>) = 0 [pid 5480] <... openat resumed>) = 4 [pid 5474] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] chdir("." [pid 5478] chdir("." [pid 5476] <... openat resumed>) = 7 [pid 5480] <... chdir resumed>) = 0 [pid 5478] <... chdir resumed>) = 0 [pid 5476] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] munmap(0x7feca2c44000, 138412032 [pid 5480] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5476] <... futex resumed>) = 1 [pid 5474] <... futex resumed>) = 0 [pid 5488] <... munmap resumed>) = 0 [pid 5480] <... futex resumed>) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5478] <... futex resumed>) = 1 [pid 5476] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5475] <... futex resumed>) = 0 [pid 5474] exit_group(0 [pid 5480] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5479] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5475] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... openat resumed>) = 5 [pid 5479] <... futex resumed>) = 0 [pid 5478] <... openat resumed>) = 5 [pid 5474] <... exit_group resumed>) = ? [pid 5480] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5478] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... futex resumed>) = 0 [pid 5480] <... futex resumed>) = 0 [pid 5479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5478] <... futex resumed>) = 0 [pid 5475] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] ftruncate(5, 100663296 [pid 5479] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 98.786826][ T5482] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5478] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5488] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5479] <... futex resumed>) = 0 [pid 5476] <... futex resumed>) = ? [pid 5488] <... openat resumed>) = 4 [pid 5479] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] ioctl(4, LOOP_SET_FD, 3 [pid 5478] <... futex resumed>) = 0 [pid 5475] <... futex resumed>) = 1 [pid 5488] <... ioctl resumed>) = 0 [pid 5482] <... mount resumed>) = 0 [pid 5478] ftruncate(5, 100663296 [pid 5476] +++ exited with 0 +++ [pid 5475] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5474] +++ exited with 0 +++ [pid 5480] <... ftruncate resumed>) = 0 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5474, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5059] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5482] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5482] chdir("." [pid 5059] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5482] <... chdir resumed>) = 0 [pid 5482] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5482] <... futex resumed>) = 1 [pid 5479] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5481] <... futex resumed>) = 0 [pid 5481] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5481] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... openat resumed>) = 3 [pid 5482] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5480] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5479] <... futex resumed>) = 0 [pid 5482] <... openat resumed>) = 5 [pid 5479] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... openat resumed>) = 6 [pid 5478] <... ftruncate resumed>) = 0 [pid 5482] <... futex resumed>) = 1 [pid 5059] newfstatat(3, "", [pid 5488] close(3) = 0 [pid 5488] mkdir("./file0", 0777) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5481] <... futex resumed>) = 0 [pid 5488] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5482] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5489] <... write resumed>) = 4194304 [pid 5481] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5475] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = 1 [pid 5482] <... futex resumed>) = 0 [pid 5475] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5482] ftruncate(5, 100663296 [pid 5478] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5475] <... futex resumed>) = 0 [pid 5489] munmap(0x7feca2c44000, 138412032 [pid 5481] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5475] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] getdents64(3, [pid 5489] <... munmap resumed>) = 0 [pid 5480] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5479] <... futex resumed>) = 0 [pid 5479] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... futex resumed>) = 1 [pid 5480] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [ 98.834886][ T5488] loop3: detected capacity change from 0 to 8192 [pid 5480] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... openat resumed>) = 6 [pid 5489] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5480] <... futex resumed>) = 1 [pid 5479] <... futex resumed>) = 0 [pid 5059] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5489] <... openat resumed>) = 4 [pid 5482] <... ftruncate resumed>) = 0 [pid 5480] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5479] exit_group(0 [pid 5478] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5480] <... futex resumed>) = ? [pid 5479] <... exit_group resumed>) = ? [pid 5489] ioctl(4, LOOP_SET_FD, 3 [pid 5480] +++ exited with 0 +++ [pid 5479] +++ exited with 0 +++ [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5489] <... ioctl resumed>) = 0 [pid 5478] <... futex resumed>) = 1 [pid 5475] <... futex resumed>) = 0 [pid 5482] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5475] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5482] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5478] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5478] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5489] close(3 [pid 5481] <... futex resumed>) = 0 [pid 5478] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5475] <... futex resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5475] exit_group(0 [pid 5489] <... close resumed>) = 0 [pid 5481] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5478] <... futex resumed>) = ? [pid 5475] <... exit_group resumed>) = ? [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5479, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5489] mkdir("./file0", 0777 [pid 5482] <... futex resumed>) = 0 [pid 5481] <... futex resumed>) = 1 [pid 5478] +++ exited with 0 +++ [pid 5475] +++ exited with 0 +++ [pid 5489] <... mkdir resumed>) = 0 [ 98.892670][ T5488] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.907077][ T5489] loop4: detected capacity change from 0 to 8192 [ 98.907208][ T5488] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 98.923293][ T5488] REISERFS (device loop3): using ordered data mode [ 98.930310][ T5488] reiserfs: using flush barriers [pid 5482] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5481] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] unlink("./20/binderfs" [pid 5058] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5482] <... openat resumed>) = 6 [pid 5059] <... unlink resumed>) = 0 [pid 5489] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5482] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5475, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5059] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5482] <... futex resumed>) = 1 [pid 5481] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5482] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5481] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5482] <... openat resumed>) = 7 [pid 5481] <... futex resumed>) = 0 [pid 5062] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(3, "", [pid 5481] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5482] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5482] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5062] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] getdents64(3, [pid 5488] <... mount resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5481] exit_group(0 [pid 5062] <... openat resumed>) = 3 [pid 5488] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5482] <... futex resumed>) = ? [pid 5481] <... exit_group resumed>) = ? [pid 5062] newfstatat(3, "", [pid 5058] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5488] <... openat resumed>) = 3 [pid 5482] +++ exited with 0 +++ [pid 5488] chdir("./file0") = 0 [pid 5488] ioctl(4, LOOP_CLR_FD) = 0 [pid 5488] close(4) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 98.937576][ T5488] 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 [ 98.954433][ T5488] REISERFS (device loop3): checking transaction log (loop3) [ 98.963350][ T5489] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.966088][ T5488] REISERFS (device loop3): Using r5 hash to sort names [pid 5488] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5481] +++ exited with 0 +++ [pid 5062] getdents64(3, [pid 5058] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5483] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] mkdir(".", 0777 [pid 5483] <... futex resumed>) = 0 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5481, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5483] 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 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] unlink("./21/binderfs" [pid 5062] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5488] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... unlink resumed>) = 0 [pid 5488] 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] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5058] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./20/binderfs") = 0 [pid 5057] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 98.991166][ T5489] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 99.000746][ T5489] REISERFS (device loop4): using ordered data mode [ 99.010775][ T5488] reiserfs: enabling write barrier flush mode [ 99.020408][ T5489] reiserfs: using flush barriers [pid 5057] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... umount2 resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5057] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] getdents64(3, [pid 5059] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5059] newfstatat(AT_FDCWD, "./20/file0", [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] unlink("./20/binderfs" [pid 5059] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] <... unlink resumed>) = 0 [pid 5059] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5057] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 99.048764][ T5488] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 99.075382][ T5489] 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 5488] <... mount resumed>) = 0 [pid 5059] getdents64(4, [pid 5488] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5488] <... openat resumed>) = 4 [pid 5059] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5488] chdir("." [pid 5059] <... close resumed>) = 0 [pid 5488] <... chdir resumed>) = 0 [pid 5059] rmdir("./20/file0" [pid 5488] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... rmdir resumed>) = 0 [pid 5488] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5059] getdents64(3, [pid 5488] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5483] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5483] <... futex resumed>) = 0 [pid 5483] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5488] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5059] close(3) = 0 [pid 5489] <... mount resumed>) = 0 [pid 5488] <... openat resumed>) = 5 [pid 5059] rmdir("./20" [pid 5489] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5488] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5059] <... rmdir resumed>) = 0 [pid 5489] <... openat resumed>) = 3 [pid 5488] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] <... futex resumed>) = 0 [pid 5059] mkdir("./21", 0777 [pid 5489] chdir("./file0" [pid 5483] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... mkdir resumed>) = 0 [pid 5489] <... chdir resumed>) = 0 [pid 5488] <... futex resumed>) = 0 [pid 5483] <... futex resumed>) = 1 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5489] ioctl(4, LOOP_CLR_FD [pid 5488] ftruncate(5, 100663296 [pid 5483] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... openat resumed>) = 3 [pid 5489] <... ioctl resumed>) = 0 [pid 5488] <... ftruncate resumed>) = 0 [ 99.095829][ T5489] REISERFS (device loop4): checking transaction log (loop4) [ 99.108100][ T5489] REISERFS (device loop4): Using r5 hash to sort names [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5489] close(4 [pid 5059] <... ioctl resumed>) = -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 [pid 5489] <... close resumed>) = 0 [pid 5489] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5485] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5485] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5489] mkdir(".", 0777./strace-static-x86_64: Process 5493 attached ) = -1 EEXIST (File exists) [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5493 [pid 5489] 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 5493] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5493] chdir("./21" [pid 5488] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5493] <... chdir resumed>) = 0 [pid 5493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5493] setpgid(0, 0 [pid 5488] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5493] <... setpgid resumed>) = 0 [pid 5483] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... umount2 resumed>) = 0 [pid 5493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5493] write(3, "1000", 4) = 4 [pid 5493] close(3) = 0 [pid 5493] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5493] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5488] <... futex resumed>) = 0 [pid 5483] <... futex resumed>) = 1 [pid 5058] <... umount2 resumed>) = 0 [pid 5493] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5488] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5493] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5488] <... openat resumed>) = 6 [ 99.175796][ T5489] reiserfs: enabling write barrier flush mode [pid 5483] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./21/file0", [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] newfstatat(AT_FDCWD, "./20/file0", [pid 5058] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5493] <... mmap resumed>) = 0x7fecab044000 [pid 5058] <... openat resumed>) = 4 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5493] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5058] newfstatat(4, "", [pid 5057] openat(AT_FDCWD, "./20/file0", 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 5493] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] getdents64(4, [pid 5057] <... openat resumed>) = 4 [pid 5493] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] newfstatat(4, "", [pid 5058] getdents64(4, [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5493] 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] close(4 [pid 5493] <... clone3 resumed> => {parent_tid=[5494]}, 88) = 5494 [pid 5493] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... close resumed>) = 0 [pid 5057] getdents64(4, ./strace-static-x86_64: Process 5494 attached [pid 5493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] rmdir("./21/file0" [pid 5494] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5493] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5488] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... rseq resumed>) = 0 [pid 5493] <... futex resumed>) = 0 [pid 5488] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5494] set_robust_list(0x7fecab0649a0, 24 [pid 5493] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5483] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... set_robust_list resumed>) = 0 [pid 5488] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5483] <... futex resumed>) = 0 [pid 5058] getdents64(3, [pid 5494] rt_sigprocmask(SIG_SETMASK, [], [pid 5488] <... openat resumed>) = 7 [pid 5483] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] close(3 [pid 5494] memfd_create("syzkaller", 0 [pid 5489] <... mount resumed>) = 0 [pid 5494] <... memfd_create resumed>) = 3 [pid 5488] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... close resumed>) = 0 [pid 5057] getdents64(4, [pid 5494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5489] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5488] <... futex resumed>) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5058] rmdir("./21" [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5494] <... mmap resumed>) = 0x7feca2c44000 [pid 5489] <... openat resumed>) = 4 [ 99.237903][ T5489] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5488] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5483] exit_group(0 [pid 5058] <... rmdir resumed>) = 0 [pid 5057] close(4 [pid 5483] <... exit_group resumed>) = ? [pid 5058] mkdir("./22", 0777 [pid 5057] <... close resumed>) = 0 [pid 5488] <... futex resumed>) = ? [pid 5058] <... mkdir resumed>) = 0 [pid 5057] rmdir("./20/file0" [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5489] chdir("." [pid 5058] <... openat resumed>) = 3 [pid 5057] <... rmdir resumed>) = 0 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5489] <... chdir resumed>) = 0 [pid 5489] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] getdents64(3, [pid 5489] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5062] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5489] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5485] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5485] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./20/file0", [pid 5485] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5488] +++ exited with 0 +++ [pid 5483] +++ exited with 0 +++ [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5489] <... openat resumed>) = 5 [pid 5062] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5483, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5058] close(3 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5489] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5058] <... close resumed>) = 0 [pid 5060] <... restart_syscall resumed>) = 0 [pid 5060] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... openat resumed>) = 4 [pid 5060] <... openat resumed>) = 3 [pid 5060] newfstatat(3, "", [pid 5489] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5489] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, [pid 5489] ftruncate(5, 100663296 [pid 5485] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(4, [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] close(3./strace-static-x86_64: Process 5495 attached [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... close resumed>) = 0 [pid 5495] set_robust_list(0x55555568a6a0, 24 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5495] <... set_robust_list resumed>) = 0 [pid 5062] getdents64(4, [pid 5060] newfstatat(AT_FDCWD, "./20/binderfs", [pid 5057] rmdir("./20" [pid 5495] chdir("./22" [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5495 [pid 5495] <... chdir resumed>) = 0 [pid 5062] close(4 [pid 5060] unlink("./20/binderfs" [pid 5057] <... rmdir resumed>) = 0 [pid 5494] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5489] <... ftruncate resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5057] mkdir("./21", 0777 [pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] rmdir("./20/file0" [pid 5495] <... prctl resumed>) = 0 [pid 5495] setpgid(0, 0 [pid 5489] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... rmdir resumed>) = 0 [pid 5060] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... mkdir resumed>) = 0 [pid 5495] <... setpgid resumed>) = 0 [pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5489] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5485] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5495] <... openat resumed>) = 3 [pid 5489] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5485] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] getdents64(3, [pid 5057] <... openat resumed>) = 3 [pid 5495] write(3, "1000", 4 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5495] <... write resumed>) = 4 [pid 5495] close(3) = 0 [pid 5495] symlink("/dev/binderfs", "./binderfs" [pid 5062] close(3 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./20" [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5495] <... symlink resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5057] close(3) = 0 [pid 5495] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] mkdir("./21", 0777 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5495] <... futex resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5496 attached [pid 5495] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5496] set_robust_list(0x55555568a6a0, 24 [pid 5495] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5489] <... openat resumed>) = 6 [pid 5062] <... openat resumed>) = 3 [pid 5496] <... set_robust_list resumed>) = 0 [pid 5495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5496] chdir("./21" [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5496] <... chdir resumed>) = 0 [pid 5495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5496 [pid 5496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5495] <... mmap resumed>) = 0x7fecab044000 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5496] <... prctl resumed>) = 0 [pid 5495] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5062] close(3 [pid 5496] setpgid(0, 0 [pid 5495] <... mprotect resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5496] <... setpgid resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5495] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5497 attached [pid 5496] <... openat resumed>) = 3 [pid 5495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5489] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5497] set_robust_list(0x55555568a6a0, 24 [pid 5496] write(3, "1000", 4 [pid 5489] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5498 attached [pid 5497] <... set_robust_list resumed>) = 0 [pid 5496] <... write resumed>) = 4 [pid 5495] <... clone3 resumed> => {parent_tid=[5498]}, 88) = 5498 [pid 5489] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5497 [pid 5498] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5497] chdir("./21" [pid 5496] close(3 [pid 5495] rt_sigprocmask(SIG_SETMASK, [], [pid 5489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5485] <... futex resumed>) = 0 [pid 5498] <... rseq resumed>) = 0 [pid 5497] <... chdir resumed>) = 0 [pid 5496] <... close resumed>) = 0 [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5489] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5485] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5498] set_robust_list(0x7fecab0649a0, 24 [pid 5497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5496] symlink("/dev/binderfs", "./binderfs" [pid 5495] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] <... openat resumed>) = 7 [pid 5498] <... set_robust_list resumed>) = 0 [pid 5497] <... prctl resumed>) = 0 [pid 5496] <... symlink resumed>) = 0 [pid 5495] <... futex resumed>) = 0 [pid 5498] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] setpgid(0, 0 [pid 5496] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5489] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... setpgid resumed>) = 0 [pid 5496] <... futex resumed>) = 0 [pid 5489] <... futex resumed>) = 1 [pid 5485] <... futex resumed>) = 0 [pid 5498] memfd_create("syzkaller", 0 [pid 5497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5496] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5489] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5485] exit_group(0 [pid 5497] <... openat resumed>) = 3 [pid 5496] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5489] <... futex resumed>) = ? [pid 5485] <... exit_group resumed>) = ? [pid 5497] write(3, "1000", 4 [pid 5496] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5489] +++ exited with 0 +++ [pid 5497] <... write resumed>) = 4 [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] close(3 [pid 5496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5498] <... memfd_create resumed>) = 3 [pid 5497] <... close resumed>) = 0 [pid 5496] <... mmap resumed>) = 0x7fecab044000 [pid 5485] +++ exited with 0 +++ [pid 5497] symlink("/dev/binderfs", "./binderfs" [pid 5496] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5497] <... symlink resumed>) = 0 [pid 5496] <... mprotect resumed>) = 0 [pid 5061] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5496] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5496] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5497] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... mmap resumed>) = 0x7feca2c44000 [pid 5497] <... futex resumed>) = 0 [pid 5496] 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 5497] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, ./strace-static-x86_64: Process 5499 attached NULL, 8) = 0 [pid 5496] <... clone3 resumed> => {parent_tid=[5499]}, 88) = 5499 [pid 5061] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5499] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5497] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5496] rt_sigprocmask(SIG_SETMASK, [], [pid 5499] <... rseq resumed>) = 0 [pid 5497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] set_robust_list(0x7fecab0649a0, 24 [pid 5497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5496] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5499] <... set_robust_list resumed>) = 0 [pid 5497] <... mmap resumed>) = 0x7fecab044000 [pid 5496] <... futex resumed>) = 0 [pid 5496] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5499] rt_sigprocmask(SIG_SETMASK, [], [pid 5497] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5497] <... mprotect resumed>) = 0 [pid 5499] memfd_create("syzkaller", 0 [pid 5497] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5499] <... memfd_create resumed>) = 3 [pid 5497] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5497] 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 5499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5497] <... clone3 resumed> => {parent_tid=[5500]}, 88) = 5500 [pid 5497] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5500 attached NULL, 8) = 0 [pid 5061] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5500] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5497] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5497] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5500] <... rseq resumed>) = 0 [pid 5500] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5500] memfd_create("syzkaller", 0) = 3 [pid 5500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5061] <... openat resumed>) = 3 [pid 5498] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] 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("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./21/binderfs") = 0 [pid 5061] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5494] <... write resumed>) = 4194304 [pid 5060] <... umount2 resumed>) = 0 [pid 5494] munmap(0x7feca2c44000, 138412032 [pid 5060] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5494] <... munmap resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./20/file0", [pid 5494] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5494] <... openat resumed>) = 4 [pid 5060] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5494] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./20/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 5500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5494] <... ioctl resumed>) = 0 [pid 5494] close(3 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5494] <... close resumed>) = 0 [pid 5060] getdents64(4, [pid 5494] mkdir("./file0", 0777 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] close(4 [pid 5494] <... mkdir resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5494] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5060] rmdir("./20/file0" [pid 5498] <... write resumed>) = 4194304 [pid 5060] <... rmdir resumed>) = 0 [pid 5060] getdents64(3, [pid 5498] munmap(0x7feca2c44000, 138412032 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [ 99.550958][ T5494] loop2: detected capacity change from 0 to 8192 [pid 5060] close(3 [pid 5498] <... munmap resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5498] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5060] rmdir("./20" [pid 5498] <... openat resumed>) = 4 [pid 5060] <... rmdir resumed>) = 0 [pid 5498] ioctl(4, LOOP_SET_FD, 3 [pid 5060] mkdir("./21", 0777) = 0 [ 99.608182][ T5494] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.627062][ T5498] loop1: detected capacity change from 0 to 8192 [pid 5500] <... write resumed>) = 4194304 [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 [pid 5500] munmap(0x7feca2c44000, 138412032 [pid 5498] <... ioctl resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5502 ./strace-static-x86_64: Process 5502 attached [pid 5499] <... write resumed>) = 4194304 [pid 5500] <... munmap resumed>) = 0 [pid 5498] close(3) = 0 [pid 5498] mkdir("./file0", 0777 [pid 5502] set_robust_list(0x55555568a6a0, 24 [pid 5499] munmap(0x7feca2c44000, 138412032 [pid 5498] <... mkdir resumed>) = 0 [ 99.655871][ T5494] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 99.682651][ T5494] REISERFS (device loop2): using ordered data mode [ 99.689849][ T5494] reiserfs: using flush barriers [pid 5498] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5502] <... set_robust_list resumed>) = 0 [pid 5499] <... munmap resumed>) = 0 [pid 5061] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5500] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5500] ioctl(4, LOOP_SET_FD, 3 [pid 5502] chdir("./21" [pid 5499] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5502] <... chdir resumed>) = 0 [pid 5500] <... ioctl resumed>) = 0 [pid 5499] <... openat resumed>) = 4 [ 99.694122][ T5498] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.708524][ T5494] 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 [ 99.713343][ T5500] loop5: detected capacity change from 0 to 8192 [ 99.729392][ T5494] REISERFS (device loop2): checking transaction log (loop2) [ 99.733454][ T5498] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 99.741848][ T5494] REISERFS (device loop2): Using r5 hash to sort names [pid 5061] newfstatat(AT_FDCWD, "./21/file0", [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5500] close(3 [pid 5499] ioctl(4, LOOP_SET_FD, 3 [pid 5494] <... mount resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5502] <... prctl resumed>) = 0 [pid 5500] <... close resumed>) = 0 [pid 5499] <... ioctl resumed>) = 0 [pid 5494] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5502] setpgid(0, 0 [pid 5500] mkdir("./file0", 0777 [pid 5499] close(3 [pid 5494] <... openat resumed>) = 3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5502] <... setpgid resumed>) = 0 [pid 5500] <... mkdir resumed>) = 0 [pid 5499] <... close resumed>) = 0 [pid 5494] chdir("./file0" [pid 5061] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5500] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5499] mkdir("./file0", 0777 [pid 5494] <... chdir resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5502] <... openat resumed>) = 3 [pid 5499] <... mkdir resumed>) = 0 [pid 5499] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5494] ioctl(4, LOOP_CLR_FD) = 0 [ 99.748912][ T5498] REISERFS (device loop1): using ordered data mode [ 99.757088][ T5499] loop0: detected capacity change from 0 to 8192 [ 99.761572][ T5498] reiserfs: using flush barriers [ 99.776641][ T5498] 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 [ 99.785911][ T5500] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5494] close(4 [pid 5502] write(3, "1000", 4 [pid 5061] newfstatat(4, "", [pid 5494] <... close resumed>) = 0 [pid 5502] <... write resumed>) = 4 [pid 5502] close(3) = 0 [pid 5502] symlink("/dev/binderfs", "./binderfs") = 0 [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 5502] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(4, [pid 5502] <... futex resumed>) = 0 [pid 5494] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5502] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5494] <... futex resumed>) = 1 [pid 5493] <... futex resumed>) = 0 [ 99.794965][ T5498] REISERFS (device loop1): checking transaction log (loop1) [ 99.807036][ T5499] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.814055][ T5500] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 99.836085][ T5500] REISERFS (device loop5): using ordered data mode [ 99.843421][ T5500] reiserfs: using flush barriers [ 99.846280][ T5494] reiserfs: enabling write barrier flush mode [pid 5061] close(4 [pid 5502] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5494] mkdir(".", 0777 [pid 5493] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 5502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5494] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5493] <... futex resumed>) = 0 [pid 5061] rmdir("./21/file0" [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5494] 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 5493] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... rmdir resumed>) = 0 [pid 5502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5498] <... mount resumed>) = 0 [pid 5061] getdents64(3, [pid 5498] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5498] chdir("./file0" [pid 5502] <... mmap resumed>) = 0x7fecab044000 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [ 99.850886][ T5499] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 99.856707][ T5498] REISERFS (device loop1): Using r5 hash to sort names [ 99.864561][ T5500] 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 [ 99.877587][ T5499] REISERFS (device loop0): using ordered data mode [pid 5502] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5061] close(3 [pid 5502] <... mprotect resumed>) = 0 [pid 5498] <... chdir resumed>) = 0 [pid 5498] ioctl(4, LOOP_CLR_FD) = 0 [pid 5498] close(4) = 0 [pid 5498] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5498] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5061] <... close resumed>) = 0 [pid 5502] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] rmdir("./21" [pid 5502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5495] <... futex resumed>) = 0 [pid 5495] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5495] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5498] <... futex resumed>) = 0 [pid 5498] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5498] 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 5494] <... mount resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5506 attached [ 99.905312][ T5499] reiserfs: using flush barriers [ 99.915586][ T5494] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 99.927183][ T5498] reiserfs: enabling write barrier flush mode [ 99.929408][ T5500] REISERFS (device loop5): checking transaction log (loop5) [ 99.935625][ T5499] 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 5506] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5502] <... clone3 resumed> => {parent_tid=[5506]}, 88) = 5506 [pid 5494] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5061] mkdir("./22", 0777 [pid 5506] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5506] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] rt_sigprocmask(SIG_SETMASK, [], [pid 5494] <... openat resumed>) = 4 [pid 5061] <... mkdir resumed>) = 0 [pid 5494] chdir("." [pid 5502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5502] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] <... chdir resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5494] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5502] <... futex resumed>) = 1 [pid 5494] <... futex resumed>) = 1 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5506] <... futex resumed>) = 0 [pid 5494] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5493] <... futex resumed>) = 0 [pid 5061] close(3 [pid 5506] memfd_create("syzkaller", 0 [pid 5493] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 5493] <... futex resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5507 attached [pid 5493] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5494] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5507 [pid 5507] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5506] <... memfd_create resumed>) = 3 [pid 5494] <... openat resumed>) = 5 [pid 5507] chdir("./22" [pid 5506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5507] <... chdir resumed>) = 0 [pid 5506] <... mmap resumed>) = 0x7feca2c44000 [pid 5494] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... mount resumed>) = 0 [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5507] setpgid(0, 0) = 0 [pid 5498] <... mount resumed>) = 0 [pid 5498] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5500] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5494] <... futex resumed>) = 1 [pid 5493] <... futex resumed>) = 0 [ 99.942566][ T5500] REISERFS (device loop5): Using r5 hash to sort names [ 99.972727][ T5498] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5507] <... openat resumed>) = 3 [pid 5498] <... openat resumed>) = 4 [pid 5507] write(3, "1000", 4 [pid 5500] <... openat resumed>) = 3 [pid 5494] ftruncate(5, 100663296 [pid 5493] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... write resumed>) = 4 [pid 5500] chdir("./file0" [pid 5498] chdir(".") = 0 [pid 5498] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5498] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5495] <... futex resumed>) = 0 [pid 5507] close(3 [pid 5500] <... chdir resumed>) = 0 [pid 5499] <... mount resumed>) = 0 [pid 5498] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5495] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5493] <... futex resumed>) = 0 [pid 5500] ioctl(4, LOOP_CLR_FD [pid 5498] <... openat resumed>) = 5 [pid 5493] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... close resumed>) = 0 [pid 5500] <... ioctl resumed>) = 0 [pid 5499] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5507] symlink("/dev/binderfs", "./binderfs" [pid 5499] <... openat resumed>) = 3 [pid 5498] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] chdir("./file0" [pid 5498] <... futex resumed>) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5507] <... symlink resumed>) = 0 [pid 5499] <... chdir resumed>) = 0 [pid 5498] ftruncate(5, 100663296 [pid 5495] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] ioctl(4, LOOP_CLR_FD [pid 5495] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = 0 [pid 5500] close(4 [pid 5499] <... ioctl resumed>) = 0 [pid 5495] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5500] <... close resumed>) = 0 [pid 5494] <... ftruncate resumed>) = 0 [pid 5507] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5500] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5500] <... futex resumed>) = 1 [pid 5499] close(4 [pid 5497] <... futex resumed>) = 0 [pid 5499] <... close resumed>) = 0 [pid 5497] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5500] mkdir(".", 0777 [pid 5499] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] <... futex resumed>) = 0 [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5499] <... futex resumed>) = 1 [pid 5497] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5507] <... mmap resumed>) = 0x7fecab044000 [pid 5500] 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 5499] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5496] <... futex resumed>) = 0 [pid 5496] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 0 [pid 5496] <... futex resumed>) = 1 [pid 5499] mkdir(".", 0777 [pid 5496] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5499] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5499] 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 5507] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5494] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5493] <... futex resumed>) = 0 [pid 5498] <... ftruncate resumed>) = 0 [pid 5493] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 100.006426][ T5499] REISERFS (device loop0): checking transaction log (loop0) [ 100.015573][ T5499] REISERFS (device loop0): Using r5 hash to sort names [ 100.038314][ T5500] reiserfs: enabling write barrier flush mode [ 100.040844][ T5499] reiserfs: enabling write barrier flush mode [pid 5493] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5494] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5498] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5495] <... futex resumed>) = 0 [pid 5495] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5495] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5498] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5508 attached => {parent_tid=[5508]}, 88) = 5508 [pid 5508] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5507] rt_sigprocmask(SIG_SETMASK, [], [pid 5508] <... rseq resumed>) = 0 [pid 5507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5508] set_robust_list(0x7fecab0649a0, 24 [pid 5507] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5508] <... set_robust_list resumed>) = 0 [pid 5507] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5508] memfd_create("syzkaller", 0) = 3 [pid 5494] <... openat resumed>) = 6 [pid 5494] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5494] <... futex resumed>) = 1 [pid 5493] <... futex resumed>) = 0 [pid 5493] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5493] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] <... mmap resumed>) = 0x7feca2c44000 [pid 5494] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5500] <... mount resumed>) = 0 [pid 5500] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5494] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5493] <... futex resumed>) = 0 [pid 5494] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5500] <... openat resumed>) = 4 [pid 5499] <... mount resumed>) = 0 [pid 5498] <... openat resumed>) = 6 [pid 5495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5493] exit_group(0 [pid 5500] chdir("." [pid 5498] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5493] <... exit_group resumed>) = ? [pid 5500] <... chdir resumed>) = 0 [pid 5498] <... futex resumed>) = 0 [pid 5495] <... futex resumed>) = 0 [pid 5500] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5498] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5500] <... futex resumed>) = 1 [pid 5499] <... openat resumed>) = 4 [pid 5497] <... futex resumed>) = 0 [pid 5495] <... mmap resumed>) = 0x7fecab023000 [pid 5500] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5499] chdir("." [pid 5497] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5499] <... chdir resumed>) = 0 [pid 5497] <... futex resumed>) = 0 [pid 5495] <... mprotect resumed>) = 0 [pid 5500] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5499] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5497] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5500] <... openat resumed>) = 5 [pid 5499] <... futex resumed>) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5499] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5496] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0}./strace-static-x86_64: Process 5509 attached [pid 5500] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... futex resumed>) = 0 [pid 5509] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5494] <... futex resumed>) = ? [pid 5509] <... rseq resumed>) = 0 [pid 5499] <... openat resumed>) = 5 [pid 5496] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... clone3 resumed> => {parent_tid=[5509]}, 88) = 5509 [pid 5509] set_robust_list(0x7fecab0439a0, 24 [pid 5495] rt_sigprocmask(SIG_SETMASK, [], [pid 5509] <... set_robust_list resumed>) = 0 [pid 5495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5509] rt_sigprocmask(SIG_SETMASK, [], [pid 5495] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5499] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = 0 [pid 5509] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5499] <... futex resumed>) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5495] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5509] <... openat resumed>) = 7 [pid 5499] ftruncate(5, 100663296 [ 100.060030][ T5500] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 100.087333][ T5499] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5496] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5494] +++ exited with 0 +++ [pid 5493] +++ exited with 0 +++ [pid 5496] <... futex resumed>) = 0 [pid 5509] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5500] <... futex resumed>) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5496] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5493, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5509] <... futex resumed>) = 1 [pid 5500] ftruncate(5, 100663296 [pid 5497] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = 0 [pid 5500] <... ftruncate resumed>) = 0 [pid 5497] <... futex resumed>) = 0 [pid 5495] exit_group(0 [pid 5059] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5498] <... futex resumed>) = ? [pid 5497] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5495] <... exit_group resumed>) = ? [pid 5509] +++ exited with 0 +++ [pid 5498] +++ exited with 0 +++ [pid 5495] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5495, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5059] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5499] <... ftruncate resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [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, [pid 5058] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5499] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5499] <... futex resumed>) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] newfstatat(3, "", [pid 5499] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5496] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5496] <... futex resumed>) = 0 [pid 5500] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] getdents64(3, [pid 5500] <... futex resumed>) = 1 [pid 5500] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5497] <... futex resumed>) = 0 [pid 5499] <... openat resumed>) = 6 [pid 5497] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5500] <... futex resumed>) = 0 [pid 5497] <... futex resumed>) = 1 [pid 5500] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5497] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] unlink("./21/binderfs" [pid 5500] <... openat resumed>) = 6 [pid 5059] <... unlink resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5059] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5499] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5496] <... futex resumed>) = 0 [pid 5496] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5496] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5499] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5499] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5496] <... futex resumed>) = 0 [pid 5496] exit_group(0) = ? [pid 5499] <... futex resumed>) = ? [pid 5500] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... write resumed>) = 4194304 [pid 5499] +++ exited with 0 +++ [pid 5496] +++ exited with 0 +++ [pid 5058] unlink("./22/binderfs" [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5496, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5497] <... futex resumed>) = 0 [pid 5497] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5497] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5500] <... futex resumed>) = 1 [pid 5057] <... openat resumed>) = 3 [pid 5500] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5057] newfstatat(3, "", [pid 5500] <... openat resumed>) = 7 [pid 5058] <... unlink resumed>) = 0 [pid 5506] munmap(0x7feca2c44000, 138412032 [pid 5500] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5500] <... futex resumed>) = 1 [pid 5497] <... futex resumed>) = 0 [pid 5497] exit_group(0) = ? [pid 5057] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5500] +++ exited with 0 +++ [pid 5497] +++ exited with 0 +++ [pid 5506] <... munmap resumed>) = 0 [pid 5057] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5497, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5062] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 5057] unlink("./21/binderfs" [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... unlink resumed>) = 0 [pid 5062] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./21/binderfs") = 0 [pid 5506] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5062] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5506] <... openat resumed>) = 4 [pid 5506] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5508] <... write resumed>) = 4194304 [pid 5506] close(3 [pid 5508] munmap(0x7feca2c44000, 138412032 [pid 5506] <... close resumed>) = 0 [pid 5506] mkdir("./file0", 0777) = 0 [pid 5506] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5508] <... munmap resumed>) = 0 [ 100.276262][ T5506] loop3: detected capacity change from 0 to 8192 [pid 5508] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 100.326852][ T5506] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.345014][ T5506] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 100.355395][ T5506] REISERFS (device loop3): using ordered data mode [ 100.361964][ T5506] reiserfs: using flush barriers [ 100.370191][ T5508] loop4: detected capacity change from 0 to 8192 [pid 5508] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5508] close(3) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5508] mkdir("./file0", 0777) = 0 [pid 5059] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5508] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5059] openat(AT_FDCWD, "./21/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, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4) = 0 [ 100.381496][ T5506] 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 5059] rmdir("./21/file0" [pid 5057] <... umount2 resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5059] getdents64(3, [pid 5058] <... umount2 resumed>) = 0 [pid 5057] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5506] <... mount resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] close(3) = 0 [pid 5057] newfstatat(AT_FDCWD, "./21/file0", [pid 5059] rmdir("./21" [pid 5506] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] <... rmdir resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5506] <... openat resumed>) = 3 [pid 5059] mkdir("./22", 0777 [pid 5058] newfstatat(AT_FDCWD, "./22/file0", [pid 5506] chdir("./file0" [pid 5059] <... mkdir resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5506] <... chdir resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] ioctl(4, LOOP_CLR_FD [pid 5058] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5506] <... ioctl resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... openat resumed>) = 4 [pid 5506] close(4 [pid 5059] <... openat resumed>) = 3 [pid 5058] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(4, [pid 5506] <... close resumed>) = 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5058] <... openat resumed>) = 4 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5506] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] newfstatat(4, "", [pid 5057] getdents64(4, [pid 5506] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5506] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] close(3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] close(4 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5506] mkdir(".", 0777 [pid 5502] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] getdents64(4, [pid 5057] rmdir("./21/file0" [pid 5506] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5059] <... close resumed>) = 0 [pid 5506] 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 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [ 100.438776][ T5506] REISERFS (device loop3): checking transaction log (loop3) [ 100.448507][ T5508] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.455652][ T5506] REISERFS (device loop3): Using r5 hash to sort names [pid 5058] getdents64(4, [pid 5057] <... rmdir resumed>) = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./21" [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5512 [pid 5058] close(4 [pid 5057] <... rmdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5057] mkdir("./22", 0777 [pid 5058] rmdir("./22/file0"./strace-static-x86_64: Process 5512 attached ) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3 [pid 5512] set_robust_list(0x55555568a6a0, 24 [pid 5058] <... close resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5058] rmdir("./22" [pid 5512] <... set_robust_list resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [ 100.515938][ T5506] reiserfs: enabling write barrier flush mode [ 100.516951][ T5508] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5058] mkdir("./23", 0777 [pid 5512] chdir("./22" [pid 5062] <... umount2 resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5512] <... chdir resumed>) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] close(3 [pid 5512] <... prctl resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5512] setpgid(0, 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5512] <... setpgid resumed>) = 0 [pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5513 [pid 5512] <... openat resumed>) = 3 [pid 5512] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 5513 attached [pid 5512] close(3 [pid 5513] set_robust_list(0x55555568a6a0, 24 [pid 5512] <... close resumed>) = 0 [pid 5513] <... set_robust_list resumed>) = 0 [pid 5512] symlink("/dev/binderfs", "./binderfs" [pid 5513] chdir("./22" [pid 5512] <... symlink resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5513] <... chdir resumed>) = 0 [pid 5512] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5512] <... futex resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5513] <... prctl resumed>) = 0 [pid 5512] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] close(3 [pid 5513] setpgid(0, 0 [pid 5058] <... close resumed>) = 0 [pid 5062] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5513] <... setpgid resumed>) = 0 [pid 5512] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5512] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5062] newfstatat(AT_FDCWD, "./21/file0", [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5513] <... openat resumed>) = 3 [pid 5512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5512] <... mmap resumed>) = 0x7fecab044000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5512] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5062] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5512] <... mprotect resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5513] write(3, "1000", 4 [pid 5512] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] newfstatat(4, "", [pid 5513] <... write resumed>) = 4 [pid 5512] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5513] close(3 [pid 5512] 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] getdents64(4, [pid 5513] <... close resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5513] symlink("/dev/binderfs", "./binderfs" [pid 5512] <... clone3 resumed> => {parent_tid=[5515]}, 88) = 5515 [pid 5062] getdents64(4, [pid 5513] <... symlink resumed>) = 0 [pid 5512] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5512] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5515 attached [pid 5513] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5062] close(4 [pid 5515] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5513] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5515] <... rseq resumed>) = 0 [pid 5513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5512] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... close resumed>) = 0 [pid 5515] set_robust_list(0x7fecab0649a0, 24 [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] rmdir("./21/file0" [pid 5515] <... set_robust_list resumed>) = 0 [pid 5513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5515] rt_sigprocmask(SIG_SETMASK, [], [pid 5513] <... mmap resumed>) = 0x7fecab044000 [ 100.557469][ T5508] REISERFS (device loop4): using ordered data mode [ 100.564034][ T5508] reiserfs: using flush barriers [ 100.580925][ T5506] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5513] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5062] getdents64(3, [pid 5515] memfd_create("syzkaller", 0 [pid 5513] <... mprotect resumed>) = 0 [pid 5515] <... memfd_create resumed>) = 3 [pid 5513] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5513] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] close(3 [pid 5515] <... mmap resumed>) = 0x7feca2c44000 [pid 5513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5062] <... close resumed>) = 0 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5514 ./strace-static-x86_64: Process 5516 attached ./strace-static-x86_64: Process 5514 attached [pid 5062] rmdir("./21" [pid 5516] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5514] set_robust_list(0x55555568a6a0, 24 [pid 5513] <... clone3 resumed> => {parent_tid=[5516]}, 88) = 5516 [pid 5062] <... rmdir resumed>) = 0 [pid 5516] <... rseq resumed>) = 0 [pid 5514] <... set_robust_list resumed>) = 0 [pid 5513] rt_sigprocmask(SIG_SETMASK, [], [pid 5516] set_robust_list(0x7fecab0649a0, 24 [pid 5513] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 100.594148][ T5508] 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 5514] chdir("./23" [pid 5516] <... set_robust_list resumed>) = 0 [pid 5513] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5506] <... mount resumed>) = 0 [pid 5514] <... chdir resumed>) = 0 [pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5516] rt_sigprocmask(SIG_SETMASK, [], [pid 5514] setpgid(0, 0 [pid 5513] <... futex resumed>) = 0 [pid 5506] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] mkdir("./22", 0777 [pid 5516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5514] <... setpgid resumed>) = 0 [pid 5513] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5506] <... openat resumed>) = 4 [pid 5062] <... mkdir resumed>) = 0 [pid 5516] memfd_create("syzkaller", 0 [pid 5506] chdir("." [pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] <... memfd_create resumed>) = 3 [pid 5506] <... chdir resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5506] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 3 [pid 5516] <... mmap resumed>) = 0x7feca2c44000 [pid 5514] <... openat resumed>) = 3 [pid 5506] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5514] write(3, "1000", 4 [pid 5506] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5506] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5506] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5514] <... write resumed>) = 4 [pid 5506] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5514] close(3) = 0 [pid 5506] ftruncate(5, 100663296 [pid 5502] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] symlink("/dev/binderfs", "./binderfs" [pid 5502] <... futex resumed>) = 0 [pid 5502] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5517 [pid 5514] <... symlink resumed>) = 0 [pid 5514] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5506] <... ftruncate resumed>) = 0 [pid 5514] 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 ./strace-static-x86_64: Process 5517 attached [pid 5517] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5508] <... mount resumed>) = 0 [pid 5517] chdir("./22") = 0 [pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5517] <... prctl resumed>) = 0 [pid 5514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5517] setpgid(0, 0 [pid 5514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5508] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5517] <... setpgid resumed>) = 0 [pid 5514] <... mmap resumed>) = 0x7fecab044000 [pid 5508] <... openat resumed>) = 3 [pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5514] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5508] chdir("./file0" [pid 5506] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... openat resumed>) = 3 [pid 5515] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5514] <... mprotect resumed>) = 0 [pid 5506] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5517] write(3, "1000", 4 [pid 5514] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5506] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5517] <... write resumed>) = 4 [pid 5514] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5508] <... chdir resumed>) = 0 [pid 5517] close(3 [pid 5514] 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 5508] ioctl(4, LOOP_CLR_FD [pid 5506] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5502] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5518 attached [pid 5517] <... close resumed>) = 0 [pid 5508] <... ioctl resumed>) = 0 [pid 5506] <... openat resumed>) = 6 [pid 5518] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [ 100.635301][ T5508] REISERFS (device loop4): checking transaction log (loop4) [ 100.654487][ T5508] REISERFS (device loop4): Using r5 hash to sort names [pid 5517] symlink("/dev/binderfs", "./binderfs" [pid 5518] <... rseq resumed>) = 0 [pid 5518] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5518] rt_sigprocmask(SIG_SETMASK, [], [pid 5517] <... symlink resumed>) = 0 [pid 5518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5517] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] <... futex resumed>) = 0 [pid 5517] 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 5517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5517] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5517] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5508] close(4 [pid 5514] <... clone3 resumed> => {parent_tid=[5518]}, 88) = 5518 [pid 5517] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5517] 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 5514] rt_sigprocmask(SIG_SETMASK, [], [pid 5508] <... close resumed>) = 0 ./strace-static-x86_64: Process 5519 attached [pid 5517] <... clone3 resumed> => {parent_tid=[5519]}, 88) = 5519 [pid 5514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5508] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5517] rt_sigprocmask(SIG_SETMASK, [], [pid 5508] <... futex resumed>) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5519] <... rseq resumed>) = 0 [pid 5517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5508] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] set_robust_list(0x7fecab0649a0, 24 [pid 5517] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5519] <... set_robust_list resumed>) = 0 [pid 5517] <... futex resumed>) = 0 [pid 5508] mkdir(".", 0777 [pid 5507] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5506] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] <... futex resumed>) = 0 [pid 5514] <... futex resumed>) = 1 [pid 5519] rt_sigprocmask(SIG_SETMASK, [], [pid 5518] memfd_create("syzkaller", 0 [pid 5517] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5514] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5508] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5506] <... futex resumed>) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] <... memfd_create resumed>) = 3 [pid 5508] 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 5506] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] memfd_create("syzkaller", 0 [pid 5518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5502] <... futex resumed>) = 0 [pid 5519] <... memfd_create resumed>) = 3 [pid 5518] <... mmap resumed>) = 0x7feca2c44000 [pid 5506] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5502] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5506] <... openat resumed>) = 7 [pid 5506] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5502] <... futex resumed>) = 0 [pid 5506] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5502] exit_group(0 [pid 5506] <... futex resumed>) = ? [pid 5502] <... exit_group resumed>) = ? [pid 5506] +++ exited with 0 +++ [pid 5502] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5060] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5060] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5060] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5060] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5508] <... mount resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 100.735972][ T5508] reiserfs: enabling write barrier flush mode [ 100.747363][ T5508] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5060] newfstatat(AT_FDCWD, "./21/binderfs", [pid 5508] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5508] <... openat resumed>) = 4 [pid 5060] unlink("./21/binderfs" [pid 5508] chdir(".") = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5508] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5508] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5507] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... openat resumed>) = 5 [pid 5507] <... futex resumed>) = 0 [pid 5508] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] <... futex resumed>) = 0 [pid 5507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5060] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5508] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5508] ftruncate(5, 100663296 [pid 5507] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5515] <... write resumed>) = 4194304 [pid 5508] <... ftruncate resumed>) = 0 [pid 5508] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] munmap(0x7feca2c44000, 138412032 [pid 5508] <... futex resumed>) = 1 [pid 5508] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] <... futex resumed>) = 0 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5507] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5515] <... munmap resumed>) = 0 [pid 5515] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5508] <... openat resumed>) = 6 [pid 5515] <... openat resumed>) = 4 [pid 5515] ioctl(4, LOOP_SET_FD, 3 [pid 5508] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5515] <... ioctl resumed>) = 0 [pid 5508] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] close(3 [pid 5508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5507] <... futex resumed>) = 0 [pid 5516] <... write resumed>) = 4194304 [pid 5515] <... close resumed>) = 0 [pid 5508] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5507] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] <... write resumed>) = 4194304 [pid 5515] mkdir("./file0", 0777 [pid 5508] <... openat resumed>) = 7 [pid 5519] munmap(0x7feca2c44000, 138412032 [pid 5508] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5508] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5507] <... futex resumed>) = 0 [pid 5516] munmap(0x7feca2c44000, 138412032 [pid 5515] <... mkdir resumed>) = 0 [pid 5507] exit_group(0 [pid 5519] <... munmap resumed>) = 0 [pid 5516] <... munmap resumed>) = 0 [pid 5515] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5508] <... futex resumed>) = ? [pid 5507] <... exit_group resumed>) = ? [pid 5519] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5508] +++ exited with 0 +++ [pid 5519] <... openat resumed>) = 4 [pid 5507] +++ exited with 0 +++ [ 100.882609][ T5515] loop2: detected capacity change from 0 to 8192 [pid 5516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5516] ioctl(4, LOOP_SET_FD, 3 [pid 5519] ioctl(4, LOOP_SET_FD, 3 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5061] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./22", 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("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5518] <... write resumed>) = 4194304 [pid 5516] <... ioctl resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5518] munmap(0x7feca2c44000, 138412032 [pid 5516] close(3 [pid 5061] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5516] <... close resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5519] <... ioctl resumed>) = 0 [pid 5519] close(3 [pid 5516] mkdir("./file0", 0777 [pid 5061] unlink("./22/binderfs" [pid 5519] <... close resumed>) = 0 [pid 5519] mkdir("./file0", 0777) = 0 [pid 5518] <... munmap resumed>) = 0 [pid 5516] <... mkdir resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5518] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5519] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5518] <... openat resumed>) = 4 [pid 5516] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5061] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 100.932692][ T5515] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.935607][ T5516] loop0: detected capacity change from 0 to 8192 [ 100.952646][ T5519] loop5: detected capacity change from 0 to 8192 [pid 5518] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5518] close(3) = 0 [pid 5518] mkdir("./file0", 0777 [pid 5060] <... umount2 resumed>) = 0 [pid 5060] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5518] <... mkdir resumed>) = 0 [pid 5518] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 100.987141][ T5518] loop1: detected capacity change from 0 to 8192 [ 100.988037][ T5515] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 101.003636][ T5516] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.004805][ T5515] REISERFS (device loop2): using ordered data mode [ 101.023257][ T5519] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5060] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./21/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 [ 101.040259][ T5515] reiserfs: using flush barriers [ 101.048136][ T5516] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 101.050890][ T5519] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 101.058030][ T5516] REISERFS (device loop0): using ordered data mode [ 101.066734][ T5515] 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 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("./21/file0") = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3) = 0 [pid 5060] rmdir("./21") = 0 [pid 5060] mkdir("./22", 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./strace-static-x86_64: Process 5524 attached , child_tidptr=0x55555568a690) = 5524 [ 101.073098][ T5516] reiserfs: using flush barriers [ 101.094909][ T5518] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.110176][ T5518] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 101.115090][ T5516] 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 5524] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5524] chdir("./22") = 0 [ 101.123257][ T5518] REISERFS (device loop1): using ordered data mode [ 101.136875][ T5519] REISERFS (device loop5): using ordered data mode [ 101.142913][ T5518] reiserfs: using flush barriers [ 101.161848][ T5515] REISERFS (device loop2): checking transaction log (loop2) [ 101.170329][ T5518] 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 5524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5524] setpgid(0, 0) = 0 [pid 5515] <... mount resumed>) = 0 [pid 5515] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5524] write(3, "1000", 4 [pid 5516] <... mount resumed>) = 0 [pid 5515] <... openat resumed>) = 3 [pid 5061] <... umount2 resumed>) = 0 [pid 5516] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5515] chdir("./file0" [pid 5516] <... openat resumed>) = 3 [pid 5515] <... chdir resumed>) = 0 [pid 5516] chdir("./file0" [ 101.172303][ T5516] REISERFS (device loop0): checking transaction log (loop0) [ 101.205769][ T5515] REISERFS (device loop2): Using r5 hash to sort names [ 101.210257][ T5519] reiserfs: using flush barriers [ 101.215295][ T5518] REISERFS (device loop1): checking transaction log (loop1) [ 101.227728][ T5516] REISERFS (device loop0): Using r5 hash to sort names [pid 5515] ioctl(4, LOOP_CLR_FD [pid 5516] <... chdir resumed>) = 0 [pid 5515] <... ioctl resumed>) = 0 [pid 5516] ioctl(4, LOOP_CLR_FD [pid 5515] close(4 [pid 5516] <... ioctl resumed>) = 0 [pid 5515] <... close resumed>) = 0 [pid 5061] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5516] close(4 [pid 5515] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] <... close resumed>) = 0 [pid 5515] <... futex resumed>) = 1 [pid 5512] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5516] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5512] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] <... futex resumed>) = 1 [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... futex resumed>) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./22/file0", [pid 5516] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5515] mkdir(".", 0777 [pid 5513] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5515] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5513] <... futex resumed>) = 0 [pid 5061] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5516] mkdir(".", 0777 [pid 5515] 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 5513] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5516] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5516] 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] openat(AT_FDCWD, "./22/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("./22/file0") = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5061] rmdir("./22") = 0 [pid 5061] mkdir("./23", 0777) = 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 [pid 5524] <... write resumed>) = 4 [pid 5524] close(3) = 0 [pid 5524] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5524] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5518] <... mount resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [ 101.237488][ T5519] 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 [ 101.251993][ T5515] reiserfs: enabling write barrier flush mode [ 101.260871][ T5516] reiserfs: enabling write barrier flush mode [ 101.267322][ T5518] REISERFS (device loop1): Using r5 hash to sort names [pid 5518] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 5525 attached [pid 5524] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5525] set_robust_list(0x55555568a6a0, 24 [pid 5524] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5525] <... set_robust_list resumed>) = 0 [pid 5524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5525] chdir("./23" [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5518] chdir("./file0" [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5525 [pid 5525] <... chdir resumed>) = 0 [pid 5524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5518] <... chdir resumed>) = 0 [pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5524] <... mmap resumed>) = 0x7fecab044000 [pid 5518] ioctl(4, LOOP_CLR_FD [pid 5525] <... prctl resumed>) = 0 [pid 5524] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5518] <... ioctl resumed>) = 0 [pid 5525] setpgid(0, 0 [pid 5524] <... mprotect resumed>) = 0 [pid 5518] close(4 [pid 5525] <... setpgid resumed>) = 0 [pid 5524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5518] <... close resumed>) = 0 [pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5518] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5518] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5525] <... openat resumed>) = 3 [pid 5518] mkdir(".", 0777 [pid 5514] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] write(3, "1000", 4 [pid 5524] <... clone3 resumed> => {parent_tid=[5526]}, 88) = 5526 [pid 5518] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5514] <... futex resumed>) = 0 [pid 5525] <... write resumed>) = 4 [pid 5524] rt_sigprocmask(SIG_SETMASK, [], [pid 5518] 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 5514] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5525] close(3 [pid 5524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] <... close resumed>) = 0 [pid 5524] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] symlink("/dev/binderfs", "./binderfs" [pid 5524] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5526 attached [pid 5525] <... symlink resumed>) = 0 [pid 5526] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5524] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5526] <... rseq resumed>) = 0 [pid 5525] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5526] rt_sigprocmask(SIG_SETMASK, [], [pid 5525] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5515] <... mount resumed>) = 0 [pid 5526] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 101.294854][ T5515] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 101.311846][ T5516] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 101.327826][ T5518] reiserfs: enabling write barrier flush mode [pid 5525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5526] memfd_create("syzkaller", 0 [pid 5525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5526] <... memfd_create resumed>) = 3 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5515] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5526] <... mmap resumed>) = 0x7feca2c44000 [pid 5525] <... mmap resumed>) = 0x7fecab044000 [pid 5516] <... mount resumed>) = 0 [pid 5515] <... openat resumed>) = 4 [pid 5525] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5515] chdir("." [pid 5525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5516] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5515] <... chdir resumed>) = 0 [pid 5516] <... openat resumed>) = 4 [pid 5516] chdir("." [pid 5515] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5515] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5516] <... chdir resumed>) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5516] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] <... futex resumed>) = 1 [pid 5515] <... futex resumed>) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5512] <... futex resumed>) = 1 [pid 5516] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5515] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5513] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5516] <... openat resumed>) = 5 [pid 5515] <... openat resumed>) = 5 [pid 5513] <... futex resumed>) = 0 [pid 5525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5516] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5516] <... futex resumed>) = 0 [pid 5515] <... futex resumed>) = 1 [pid 5513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5512] <... futex resumed>) = 0 [pid 5516] ftruncate(5, 100663296 [pid 5515] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5513] <... futex resumed>) = 0 [pid 5512] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] ftruncate(5, 100663296 [pid 5513] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5527 attached [pid 5525] <... clone3 resumed> => {parent_tid=[5527]}, 88) = 5527 [pid 5512] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5525] rt_sigprocmask(SIG_SETMASK, [], [pid 5516] <... ftruncate resumed>) = 0 [pid 5527] <... rseq resumed>) = 0 [pid 5525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5527] set_robust_list(0x7fecab0649a0, 24 [pid 5525] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... set_robust_list resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5527] rt_sigprocmask(SIG_SETMASK, [], [pid 5515] <... ftruncate resumed>) = 0 [pid 5527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5525] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5527] memfd_create("syzkaller", 0) = 3 [pid 5527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5518] <... mount resumed>) = 0 [pid 5519] <... mount resumed>) = 0 [pid 5527] <... mmap resumed>) = 0x7feca2c44000 [pid 5518] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5519] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5518] <... openat resumed>) = 4 [pid 5515] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5512] <... futex resumed>) = 0 [pid 5519] <... openat resumed>) = 3 [pid 5518] chdir("." [pid 5516] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5512] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] chdir("./file0") = 0 [ 101.341204][ T5519] REISERFS (device loop5): checking transaction log (loop5) [ 101.360547][ T5518] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 101.372413][ T5519] REISERFS (device loop5): Using r5 hash to sort names [pid 5526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5519] ioctl(4, LOOP_CLR_FD [pid 5518] <... chdir resumed>) = 0 [pid 5516] <... futex resumed>) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5519] <... ioctl resumed>) = 0 [pid 5519] close(4 [pid 5518] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5513] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5512] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] <... close resumed>) = 0 [pid 5518] <... futex resumed>) = 1 [pid 5516] <... openat resumed>) = 6 [pid 5514] <... futex resumed>) = 0 [pid 5513] <... futex resumed>) = 0 [pid 5518] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5514] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] <... openat resumed>) = 5 [pid 5514] <... futex resumed>) = 0 [pid 5518] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5519] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5519] <... futex resumed>) = 1 [pid 5518] <... futex resumed>) = 0 [pid 5515] <... openat resumed>) = 6 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5519] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5518] ftruncate(5, 100663296 [pid 5514] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5518] <... ftruncate resumed>) = 0 [pid 5517] <... futex resumed>) = 0 [pid 5514] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5517] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5519] mkdir(".", 0777 [pid 5517] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5519] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5519] 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 5515] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5513] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5516] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5515] <... futex resumed>) = 1 [pid 5513] <... futex resumed>) = 0 [pid 5512] <... futex resumed>) = 0 [pid 5516] <... openat resumed>) = 7 [pid 5515] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5513] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5512] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5518] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] <... openat resumed>) = 7 [pid 5518] <... futex resumed>) = 1 [pid 5516] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... futex resumed>) = 0 [pid 5518] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5516] <... futex resumed>) = 1 [pid 5514] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5513] <... futex resumed>) = 0 [pid 5515] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] <... futex resumed>) = 0 [pid 5513] exit_group(0 [pid 5515] <... futex resumed>) = 1 [pid 5514] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5513] <... exit_group resumed>) = ? [pid 5512] <... futex resumed>) = 0 [ 101.465726][ T5519] reiserfs: enabling write barrier flush mode [pid 5516] +++ exited with 0 +++ [pid 5515] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5513] +++ exited with 0 +++ [pid 5512] exit_group(0 [pid 5515] <... futex resumed>) = ? [pid 5512] <... exit_group resumed>) = ? [pid 5515] +++ exited with 0 +++ [pid 5512] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5512, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} --- [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5513, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- [pid 5057] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... openat resumed>) = 3 [pid 5059] <... openat resumed>) = 3 [pid 5057] newfstatat(3, "", [pid 5518] <... openat resumed>) = 6 [pid 5059] newfstatat(3, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, [pid 5059] getdents64(3, [pid 5518] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5518] <... futex resumed>) = 1 [pid 5514] <... futex resumed>) = 0 [pid 5518] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5514] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5518] <... openat resumed>) = 7 [pid 5514] <... futex resumed>) = 0 [pid 5518] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5514] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5518] <... futex resumed>) = 0 [pid 5514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5057] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5059] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5519] <... mount resumed>) = 0 [pid 5518] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5514] exit_group(0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5518] <... futex resumed>) = ? [pid 5514] <... exit_group resumed>) = ? [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] unlink("./22/binderfs" [pid 5518] +++ exited with 0 +++ [pid 5514] +++ exited with 0 +++ [pid 5519] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5514, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5057] <... unlink resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5057] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5519] <... openat resumed>) = 4 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] unlink("./22/binderfs" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5519] chdir(".") = 0 [pid 5059] <... unlink resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5519] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5519] <... futex resumed>) = 1 [pid 5517] <... futex resumed>) = 0 [pid 5059] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(3, "", [pid 5519] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5517] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... openat resumed>) = 5 [pid 5517] <... futex resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5517] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [ 101.509068][ T5519] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5058] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./23/binderfs", [pid 5519] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5517] <... futex resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5517] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] unlink("./23/binderfs" [pid 5517] <... futex resumed>) = 0 [pid 5517] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... unlink resumed>) = 0 [pid 5058] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5519] ftruncate(5, 100663296) = 0 [pid 5519] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5517] <... futex resumed>) = 0 [pid 5519] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5517] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5517] <... futex resumed>) = 0 [pid 5519] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5517] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] <... write resumed>) = 4194304 [pid 5519] <... openat resumed>) = 6 [pid 5526] <... write resumed>) = 4194304 [pid 5527] munmap(0x7feca2c44000, 138412032 [pid 5519] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5517] <... futex resumed>) = 0 [pid 5526] munmap(0x7feca2c44000, 138412032 [pid 5519] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5517] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... munmap resumed>) = 0 [pid 5526] <... munmap resumed>) = 0 [pid 5519] <... openat resumed>) = 7 [pid 5517] <... futex resumed>) = 0 [pid 5517] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5527] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5519] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... umount2 resumed>) = 0 [pid 5526] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5519] <... futex resumed>) = 1 [pid 5527] ioctl(4, LOOP_SET_FD, 3 [pid 5526] <... openat resumed>) = 4 [pid 5519] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5526] ioctl(4, LOOP_SET_FD, 3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... ioctl resumed>) = 0 [pid 5517] <... futex resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./22/file0", [pid 5527] close(3 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5527] <... close resumed>) = 0 [pid 5517] exit_group(0 [pid 5057] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5527] mkdir("./file0", 0777) = 0 [pid 5527] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5517] <... exit_group resumed>) = ? [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5519] <... futex resumed>) = ? [pid 5057] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5519] +++ exited with 0 +++ [pid 5517] +++ exited with 0 +++ [pid 5057] <... openat resumed>) = 4 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5517, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5057] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] getdents64(4, [pid 5062] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] <... openat resumed>) = 3 [pid 5057] getdents64(4, [ 101.664580][ T5527] loop4: detected capacity change from 0 to 8192 [ 101.664846][ T5526] loop3: detected capacity change from 0 to 8192 [pid 5062] newfstatat(3, "", [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] close(4 [pid 5062] getdents64(3, [pid 5057] <... close resumed>) = 0 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] rmdir("./22/file0" [pid 5062] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... rmdir resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5057] getdents64(3, [pid 5526] <... ioctl resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] unlink("./22/binderfs" [pid 5057] close(3 [pid 5526] close(3 [pid 5062] <... unlink resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./22" [pid 5526] <... close resumed>) = 0 [pid 5062] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... rmdir resumed>) = 0 [pid 5526] mkdir("./file0", 0777 [pid 5057] mkdir("./23", 0777 [pid 5526] <... mkdir resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5526] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 101.705902][ T5527] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5057] close(3 [pid 5059] <... umount2 resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5059] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./22/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 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5530 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4) = 0 [pid 5059] rmdir("./22/file0") = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [ 101.758329][ T5527] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 101.760795][ T5526] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.768752][ T5527] REISERFS (device loop4): using ordered data mode [ 101.780979][ T5526] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5059] rmdir("./22") = 0 [pid 5059] mkdir("./23", 0777) = 0 ./strace-static-x86_64: Process 5530 attached [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5530] set_robust_list(0x55555568a6a0, 24 [pid 5059] <... openat resumed>) = 3 [pid 5530] <... set_robust_list resumed>) = 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5530] chdir("./23" [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5530] <... chdir resumed>) = 0 [pid 5059] close(3) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5530] setpgid(0, 0) = 0 [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5530] write(3, "1000", 4) = 4 [pid 5530] close(3 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5531 ./strace-static-x86_64: Process 5531 attached [pid 5531] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5530] <... close resumed>) = 0 [pid 5531] chdir("./23") = 0 [pid 5531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5531] setpgid(0, 0) = 0 [pid 5531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... umount2 resumed>) = 0 [pid 5531] <... openat resumed>) = 3 [pid 5531] write(3, "1000", 4) = 4 [pid 5531] close(3) = 0 [pid 5058] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5531] symlink("/dev/binderfs", "./binderfs" [pid 5530] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5531] <... symlink resumed>) = 0 [pid 5530] <... symlink resumed>) = 0 [ 101.802849][ T5526] REISERFS (device loop3): using ordered data mode [ 101.811540][ T5526] reiserfs: using flush barriers [ 101.819678][ T5527] reiserfs: using flush barriers [ 101.824807][ T5526] 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 [ 101.845918][ T5526] REISERFS (device loop3): checking transaction log (loop3) [pid 5058] newfstatat(AT_FDCWD, "./23/file0", [pid 5530] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... mount resumed>) = 0 [pid 5530] <... futex resumed>) = 0 [pid 5530] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5531] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5530] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5526] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5531] <... futex resumed>) = 0 [pid 5531] 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("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5531] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... openat resumed>) = 4 [pid 5531] <... mmap resumed>) = 0x7fecab044000 [pid 5531] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5058] newfstatat(4, "", [pid 5531] <... mprotect resumed>) = 0 [pid 5531] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5531] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] getdents64(4, [pid 5531] 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>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5531] <... clone3 resumed> => {parent_tid=[5532]}, 88) = 5532 [pid 5058] getdents64(4, ./strace-static-x86_64: Process 5532 attached [pid 5531] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5532] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] close(4 [pid 5532] <... rseq resumed>) = 0 [pid 5531] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... close resumed>) = 0 [pid 5532] set_robust_list(0x7fecab0649a0, 24 [pid 5531] <... futex resumed>) = 0 [pid 5530] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] rmdir("./23/file0" [pid 5532] <... set_robust_list resumed>) = 0 [pid 5531] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] <... openat resumed>) = 3 [pid 5532] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... rmdir resumed>) = 0 [pid 5532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5532] memfd_create("syzkaller", 0 [pid 5058] getdents64(3, [pid 5532] <... memfd_create resumed>) = 3 [pid 5530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5526] chdir("./file0" [pid 5532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5530] <... mmap resumed>) = 0x7fecab044000 [pid 5526] <... chdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5532] <... mmap resumed>) = 0x7feca2c44000 [pid 5530] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5526] ioctl(4, LOOP_CLR_FD [pid 5058] close(3 [pid 5526] <... ioctl resumed>) = 0 [pid 5530] <... mprotect resumed>) = 0 [ 101.854801][ T5526] REISERFS (device loop3): Using r5 hash to sort names [ 101.865329][ T5527] 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 [ 101.882421][ T5527] REISERFS (device loop4): checking transaction log (loop4) [pid 5526] close(4 [pid 5530] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5526] <... close resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5058] rmdir("./23") = 0 [pid 5058] mkdir("./24", 0777) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5530] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5526] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 3 [pid 5530] 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 5526] <... futex resumed>) = 1 [pid 5526] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] <... futex resumed>) = 0 [pid 5058] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5533 attached [pid 5524] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5533] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5530] <... clone3 resumed> => {parent_tid=[5533]}, 88) = 5533 [pid 5526] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 1 [pid 5058] close(3 [pid 5533] <... rseq resumed>) = 0 [pid 5530] rt_sigprocmask(SIG_SETMASK, [], [pid 5526] mkdir(".", 0777 [pid 5524] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5533] set_robust_list(0x7fecab0649a0, 24 [pid 5530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5526] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5058] <... close resumed>) = 0 [pid 5533] <... set_robust_list resumed>) = 0 [pid 5530] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] 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 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5533] rt_sigprocmask(SIG_SETMASK, [], [pid 5530] <... futex resumed>) = 0 [pid 5527] <... mount resumed>) = 0 [pid 5533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5530] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5527] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5534 ./strace-static-x86_64: Process 5534 attached [pid 5533] memfd_create("syzkaller", 0 [pid 5527] <... openat resumed>) = 3 [pid 5534] set_robust_list(0x55555568a6a0, 24 [pid 5527] chdir("./file0" [pid 5534] <... set_robust_list resumed>) = 0 [pid 5533] <... memfd_create resumed>) = 3 [pid 5534] chdir("./24" [pid 5533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5527] <... chdir resumed>) = 0 [pid 5534] <... chdir resumed>) = 0 [pid 5533] <... mmap resumed>) = 0x7feca2c44000 [pid 5527] ioctl(4, LOOP_CLR_FD [pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5527] <... ioctl resumed>) = 0 [pid 5527] close(4 [pid 5534] <... prctl resumed>) = 0 [ 101.912928][ T5527] REISERFS (device loop4): Using r5 hash to sort names [ 101.930595][ T5526] reiserfs: enabling write barrier flush mode [pid 5534] setpgid(0, 0) = 0 [pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5527] <... close resumed>) = 0 [pid 5527] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] write(3, "1000", 4 [pid 5527] <... futex resumed>) = 1 [pid 5534] <... write resumed>) = 4 [pid 5525] <... futex resumed>) = 0 [pid 5534] close(3 [pid 5525] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... close resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5534] symlink("/dev/binderfs", "./binderfs" [pid 5525] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5534] <... symlink resumed>) = 0 [pid 5534] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] 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 5534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5534] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5527] mkdir(".", 0777 [pid 5534] 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 5527] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5534] <... clone3 resumed> => {parent_tid=[5535]}, 88) = 5535 ./strace-static-x86_64: Process 5535 attached [pid 5534] rt_sigprocmask(SIG_SETMASK, [], [pid 5527] 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 5535] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] <... rseq resumed>) = 0 [pid 5535] set_robust_list(0x7fecab0649a0, 24 [pid 5534] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... set_robust_list resumed>) = 0 [pid 5535] rt_sigprocmask(SIG_SETMASK, [], [pid 5534] <... futex resumed>) = 0 [pid 5535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5534] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5535] memfd_create("syzkaller", 0) = 3 [pid 5535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5062] <... umount2 resumed>) = 0 [pid 5532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 101.976839][ T5526] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 101.989826][ T5527] reiserfs: enabling write barrier flush mode [pid 5062] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./22/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, [pid 5526] <... mount resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, [pid 5526] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5526] <... openat resumed>) = 4 [pid 5062] close(4) = 0 [pid 5526] chdir(".") = 0 [pid 5526] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5524] <... futex resumed>) = 0 [pid 5062] rmdir("./22/file0") = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./22" [pid 5533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5526] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5524] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... mount resumed>) = 0 [pid 5526] <... openat resumed>) = 5 [pid 5524] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [ 102.029402][ T5527] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5527] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5526] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] mkdir("./23", 0777 [pid 5527] <... openat resumed>) = 4 [pid 5526] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5527] chdir("." [pid 5526] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5524] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... chdir resumed>) = 0 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] <... futex resumed>) = 0 [pid 5526] ftruncate(5, 100663296 [pid 5524] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... mkdir resumed>) = 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 5527] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(3 [pid 5527] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5525] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5527] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5526] <... ftruncate resumed>) = 0 [pid 5525] <... futex resumed>) = 0 [pid 5527] <... openat resumed>) = 5 [pid 5525] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5536 attached [pid 5527] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5526] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5536 [pid 5536] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5527] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5526] <... futex resumed>) = 1 [pid 5525] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5524] <... futex resumed>) = 0 [pid 5536] chdir("./23" [pid 5535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5526] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] <... futex resumed>) = 0 [pid 5524] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] ftruncate(5, 100663296 [pid 5526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5525] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] <... futex resumed>) = 0 [pid 5536] <... chdir resumed>) = 0 [pid 5527] <... ftruncate resumed>) = 0 [pid 5526] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5524] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5536] setpgid(0, 0) = 0 [pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5527] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5527] <... futex resumed>) = 0 [pid 5525] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5525] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] write(3, "1000", 4 [pid 5526] <... openat resumed>) = 6 [pid 5527] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5536] <... write resumed>) = 4 [pid 5536] close(3 [pid 5527] <... openat resumed>) = 6 [pid 5526] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... close resumed>) = 0 [pid 5536] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5526] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5526] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5524] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5536] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5533] <... write resumed>) = 4194304 [pid 5527] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5526] <... openat resumed>) = 7 [pid 5524] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] <... futex resumed>) = 0 [pid 5533] munmap(0x7feca2c44000, 138412032 [pid 5527] <... futex resumed>) = 1 [pid 5526] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = 0 [pid 5536] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5532] <... write resumed>) = 4194304 [pid 5525] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5536] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5532] munmap(0x7feca2c44000, 138412032 [pid 5533] <... munmap resumed>) = 0 [pid 5527] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5526] <... futex resumed>) = 1 [pid 5525] <... futex resumed>) = 0 [pid 5524] <... futex resumed>) = 0 [pid 5536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5533] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5532] <... munmap resumed>) = 0 [pid 5527] <... openat resumed>) = 7 [pid 5526] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5525] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] exit_group(0 [pid 5536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5533] <... openat resumed>) = 4 [pid 5527] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5524] <... exit_group resumed>) = ? [pid 5526] <... futex resumed>) = ? [pid 5536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5533] ioctl(4, LOOP_SET_FD, 3 [pid 5527] <... futex resumed>) = 0 [pid 5525] exit_group(0 [pid 5532] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5526] +++ exited with 0 +++ [pid 5525] <... exit_group resumed>) = ? [pid 5524] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5524, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- [pid 5536] <... mmap resumed>) = 0x7fecab044000 [pid 5532] <... openat resumed>) = 4 [pid 5527] +++ exited with 0 +++ [pid 5525] +++ exited with 0 +++ [pid 5532] ioctl(4, LOOP_SET_FD, 3 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5525, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5536] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5533] <... ioctl resumed>) = 0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 5536] <... mprotect resumed>) = 0 [pid 5533] close(3 [pid 5536] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5533] <... close resumed>) = 0 [pid 5532] <... ioctl resumed>) = 0 [pid 5536] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5533] mkdir("./file0", 0777 [pid 5532] close(3 [pid 5061] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5533] <... mkdir resumed>) = 0 [pid 5532] <... close resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5537 attached [pid 5533] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5532] mkdir("./file0", 0777 [pid 5061] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5537] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5536] <... clone3 resumed> => {parent_tid=[5537]}, 88) = 5537 [pid 5535] <... write resumed>) = 4194304 [pid 5532] <... mkdir resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5061] newfstatat(3, "", [pid 5532] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./23/binderfs") = 0 [pid 5061] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... openat resumed>) = 3 [ 102.199290][ T5533] loop0: detected capacity change from 0 to 8192 [ 102.205398][ T5532] loop2: detected capacity change from 0 to 8192 [ 102.221443][ T5533] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.234576][ T5533] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5060] newfstatat(3, "", [pid 5537] <... rseq resumed>) = 0 [pid 5536] rt_sigprocmask(SIG_SETMASK, [], [pid 5535] munmap(0x7feca2c44000, 138412032 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5537] set_robust_list(0x7fecab0649a0, 24 [pid 5536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] <... munmap resumed>) = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5060] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./22/binderfs", [pid 5537] <... set_robust_list resumed>) = 0 [pid 5536] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5537] rt_sigprocmask(SIG_SETMASK, [], [pid 5536] <... futex resumed>) = 0 [ 102.236911][ T5532] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.243804][ T5533] REISERFS (device loop0): using ordered data mode [ 102.263431][ T5533] reiserfs: using flush barriers [ 102.272891][ T5533] 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 [ 102.273137][ T5532] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5060] unlink("./22/binderfs" [pid 5535] <... openat resumed>) = 4 [pid 5537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5536] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] <... unlink resumed>) = 0 [pid 5060] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5537] memfd_create("syzkaller", 0) = 3 [pid 5535] ioctl(4, LOOP_SET_FD, 3 [pid 5537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5535] <... ioctl resumed>) = 0 [pid 5535] close(3) = 0 [ 102.298981][ T5532] REISERFS (device loop2): using ordered data mode [ 102.305532][ T5532] reiserfs: using flush barriers [ 102.314084][ T5533] REISERFS (device loop0): checking transaction log (loop0) [ 102.314231][ T5532] 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 [ 102.324043][ T5535] loop1: detected capacity change from 0 to 8192 [pid 5535] mkdir("./file0", 0777 [pid 5533] <... mount resumed>) = 0 [pid 5535] <... mkdir resumed>) = 0 [pid 5533] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5535] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5533] chdir("./file0") = 0 [pid 5533] ioctl(4, LOOP_CLR_FD) = 0 [ 102.348081][ T5532] REISERFS (device loop2): checking transaction log (loop2) [ 102.356046][ T5533] REISERFS (device loop0): Using r5 hash to sort names [ 102.374867][ T5532] REISERFS (device loop2): Using r5 hash to sort names [pid 5533] close(4 [pid 5532] <... mount resumed>) = 0 [pid 5533] <... close resumed>) = 0 [pid 5533] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5532] chdir("./file0") = 0 [pid 5532] ioctl(4, LOOP_CLR_FD) = 0 [pid 5532] close(4) = 0 [pid 5532] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5532] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] <... futex resumed>) = 0 [pid 5531] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... futex resumed>) = 0 [pid 5531] <... futex resumed>) = 1 [pid 5532] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5532] 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 5533] <... futex resumed>) = 1 [pid 5531] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5530] <... futex resumed>) = 0 [pid 5530] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5530] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 102.395087][ T5535] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.419118][ T5532] reiserfs: enabling write barrier flush mode [pid 5533] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5533] 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>) = 0 [ 102.447045][ T5535] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 102.447222][ T5533] reiserfs: enabling write barrier flush mode [ 102.457917][ T5532] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5061] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./23/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("./23/file0") = 0 [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5061] rmdir("./23") = 0 [pid 5061] mkdir("./24", 0777) = 0 [pid 5532] <... mount resumed>) = 0 [pid 5532] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5532] chdir(".") = 0 [pid 5532] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5531] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5531] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5060] <... umount2 resumed>) = 0 [pid 5060] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... openat resumed>) = 3 [pid 5060] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5061] close(3) = 0 [pid 5532] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... openat resumed>) = 4 [pid 5532] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5532] ftruncate(5, 100663296 [pid 5531] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5541 [pid 5531] <... futex resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 5531] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 102.494693][ T5535] REISERFS (device loop1): using ordered data mode [ 102.498947][ T5533] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 102.501222][ T5535] reiserfs: using flush barriers [pid 5060] getdents64(4, ./strace-static-x86_64: Process 5541 attached [pid 5533] <... mount resumed>) = 0 [pid 5532] <... ftruncate resumed>) = 0 [pid 5531] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5531] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] set_robust_list(0x55555568a6a0, 24 [pid 5533] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5531] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5531] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5531] 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 5542 attached [pid 5060] getdents64(4, [pid 5531] <... clone3 resumed> => {parent_tid=[5542]}, 88) = 5542 [pid 5533] <... openat resumed>) = 4 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5542] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5541] <... set_robust_list resumed>) = 0 [pid 5533] chdir("." [pid 5532] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] close(4 [pid 5542] <... rseq resumed>) = 0 [pid 5541] chdir("./24" [pid 5532] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5542] set_robust_list(0x7fecab0439a0, 24 [pid 5541] <... chdir resumed>) = 0 [pid 5537] <... write resumed>) = 4194304 [pid 5535] <... mount resumed>) = 0 [pid 5533] <... chdir resumed>) = 0 [pid 5532] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] rmdir("./22/file0" [pid 5542] <... set_robust_list resumed>) = 0 [pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5537] munmap(0x7feca2c44000, 138412032 [pid 5535] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5533] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5542] rt_sigprocmask(SIG_SETMASK, [], [pid 5541] <... prctl resumed>) = 0 [pid 5535] <... openat resumed>) = 3 [pid 5533] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5530] <... futex resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5541] setpgid(0, 0 [pid 5535] chdir("./file0" [pid 5533] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5530] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(3, [pid 5542] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5535] <... chdir resumed>) = 0 [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5530] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5541] <... setpgid resumed>) = 0 [pid 5537] <... munmap resumed>) = 0 [pid 5535] ioctl(4, LOOP_CLR_FD [pid 5533] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5530] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] close(3 [pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5537] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5535] <... ioctl resumed>) = 0 [pid 5533] <... openat resumed>) = 5 [pid 5060] <... close resumed>) = 0 [pid 5541] <... openat resumed>) = 3 [pid 5537] <... openat resumed>) = 4 [pid 5535] close(4 [pid 5533] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] rmdir("./22" [pid 5541] write(3, "1000", 4 [pid 5537] ioctl(4, LOOP_SET_FD, 3 [pid 5533] <... futex resumed>) = 1 [pid 5530] <... futex resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5541] <... write resumed>) = 4 [pid 5533] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] mkdir("./23", 0777 [pid 5541] close(3 [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5530] <... futex resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5541] <... close resumed>) = 0 [ 102.574250][ T5535] 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 [ 102.592204][ T5535] REISERFS (device loop1): checking transaction log (loop1) [ 102.605098][ T5535] REISERFS (device loop1): Using r5 hash to sort names [pid 5533] ftruncate(5, 100663296 [pid 5530] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5541] symlink("/dev/binderfs", "./binderfs" [pid 5533] <... ftruncate resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5541] <... symlink resumed>) = 0 [pid 5535] <... close resumed>) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] close(3 [pid 5535] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... close resumed>) = 0 [pid 5535] <... futex resumed>) = 1 [pid 5534] <... futex resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5541] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5534] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5543 attached [pid 5542] <... openat resumed>) = 6 [pid 5541] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5537] <... ioctl resumed>) = 0 [pid 5535] mkdir(".", 0777 [pid 5534] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5543] set_robust_list(0x55555568a6a0, 24 [pid 5542] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5537] close(3 [pid 5535] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5533] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5543 [pid 5543] <... set_robust_list resumed>) = 0 [pid 5542] <... futex resumed>) = 1 [pid 5541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5537] <... close resumed>) = 0 [pid 5535] 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 5533] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5530] <... futex resumed>) = 0 [pid 5543] chdir("./23" [pid 5542] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] mkdir("./file0", 0777 [pid 5531] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... chdir resumed>) = 0 [pid 5541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5530] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5541] <... mmap resumed>) = 0x7fecab044000 [pid 5533] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5530] <... futex resumed>) = 0 [pid 5543] <... prctl resumed>) = 0 [pid 5541] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5532] <... futex resumed>) = 0 [pid 5531] <... futex resumed>) = 1 [pid 5543] setpgid(0, 0 [pid 5532] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5531] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] <... setpgid resumed>) = 0 [pid 5541] <... mprotect resumed>) = 0 [pid 5537] <... mkdir resumed>) = 0 [pid 5532] <... openat resumed>) = 7 [pid 5530] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5537] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5532] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... openat resumed>) = 3 [pid 5541] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5532] <... futex resumed>) = 1 [pid 5531] <... futex resumed>) = 0 [pid 5543] write(3, "1000", 4 [pid 5541] 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} [ 102.643243][ T5537] loop5: detected capacity change from 0 to 8192 [ 102.668496][ T5535] reiserfs: enabling write barrier flush mode [pid 5532] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5531] exit_group(0 [pid 5533] <... openat resumed>) = 6 ./strace-static-x86_64: Process 5545 attached [pid 5543] <... write resumed>) = 4 [pid 5543] close(3 [pid 5545] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5543] <... close resumed>) = 0 [pid 5541] <... clone3 resumed> => {parent_tid=[5545]}, 88) = 5545 [pid 5543] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5542] <... futex resumed>) = ? [pid 5541] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5532] <... futex resumed>) = ? [pid 5531] <... exit_group resumed>) = ? [pid 5545] <... rseq resumed>) = 0 [pid 5542] +++ exited with 0 +++ [pid 5541] <... futex resumed>) = 0 [pid 5532] +++ exited with 0 +++ [pid 5545] set_robust_list(0x7fecab0649a0, 24 [pid 5543] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5545] <... set_robust_list resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5545] rt_sigprocmask(SIG_SETMASK, [], [pid 5543] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5531] +++ exited with 0 +++ [pid 5545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5543] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5545] memfd_create("syzkaller", 0 [pid 5543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5533] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... memfd_create resumed>) = 3 [pid 5543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5533] <... futex resumed>) = 1 [pid 5530] <... futex resumed>) = 0 [pid 5545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5533] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5530] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... mmap resumed>) = 0x7feca2c44000 [pid 5543] <... mmap resumed>) = 0x7fecab044000 [pid 5533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5530] <... futex resumed>) = 0 [pid 5543] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5533] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5530] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5543] <... mprotect resumed>) = 0 [pid 5533] <... openat resumed>) = 7 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5531, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5543] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5533] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5533] <... futex resumed>) = 1 [pid 5530] <... futex resumed>) = 0 [pid 5543] <... clone3 resumed> => {parent_tid=[5546]}, 88) = 5546 [pid 5530] exit_group(0./strace-static-x86_64: Process 5546 attached [pid 5543] rt_sigprocmask(SIG_SETMASK, [], [pid 5530] <... exit_group resumed>) = ? [pid 5546] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5535] <... mount resumed>) = 0 [pid 5546] <... rseq resumed>) = 0 [pid 5543] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] set_robust_list(0x7fecab0649a0, 24 [pid 5543] <... futex resumed>) = 0 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5543] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5533] +++ exited with 0 +++ [pid 5530] +++ exited with 0 +++ [ 102.690631][ T5535] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 102.704353][ T5537] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.731192][ T5537] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5546] memfd_create("syzkaller", 0) = 3 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5530, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] restart_syscall(<... resuming interrupted clone ...> [pid 5546] <... mmap resumed>) = 0x7feca2c44000 [pid 5057] <... restart_syscall resumed>) = 0 [pid 5535] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5057] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5057] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5535] <... openat resumed>) = 4 [pid 5059] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] getdents64(3, [pid 5535] chdir("." [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5535] <... chdir resumed>) = 0 [pid 5059] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5535] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5534] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5535] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5534] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... openat resumed>) = 3 [pid 5057] newfstatat(AT_FDCWD, "./23/binderfs", [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5534] <... futex resumed>) = 0 [pid 5059] newfstatat(3, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5535] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5534] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] unlink("./23/binderfs" [pid 5535] <... openat resumed>) = 5 [pid 5057] <... unlink resumed>) = 0 [pid 5535] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5535] <... futex resumed>) = 1 [pid 5534] <... futex resumed>) = 0 [pid 5535] ftruncate(5, 100663296 [pid 5534] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... mount resumed>) = 0 [pid 5535] <... ftruncate resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] getdents64(3, [pid 5537] <... openat resumed>) = 3 [pid 5537] chdir("./file0" [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5537] <... chdir resumed>) = 0 [pid 5059] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5537] ioctl(4, LOOP_CLR_FD [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./23/binderfs", [pid 5546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5537] <... ioctl resumed>) = 0 [pid 5535] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5537] close(4 [pid 5535] <... futex resumed>) = 1 [pid 5534] <... futex resumed>) = 0 [pid 5059] unlink("./23/binderfs" [ 102.742394][ T5537] REISERFS (device loop5): using ordered data mode [ 102.750887][ T5537] reiserfs: using flush barriers [ 102.758509][ T5537] 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 [ 102.776173][ T5537] REISERFS (device loop5): checking transaction log (loop5) [ 102.784960][ T5537] REISERFS (device loop5): Using r5 hash to sort names [pid 5535] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5534] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... unlink resumed>) = 0 [pid 5545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5537] <... close resumed>) = 0 [pid 5535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5534] <... futex resumed>) = 0 [pid 5059] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5537] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5537] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5536] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5536] <... futex resumed>) = 0 [pid 5537] mkdir(".", 0777 [pid 5536] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5537] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5537] 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 5535] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5534] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5535] <... openat resumed>) = 6 [pid 5534] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5534] 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=[5547]}, 88) = 5547 [pid 5534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5534] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5535] <... futex resumed>) = 0 [ 102.847528][ T5537] reiserfs: enabling write barrier flush mode [ 102.877030][ T5537] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5535] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5547 attached [pid 5547] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5547] set_robust_list(0x7fecab0439a0, 24 [pid 5057] <... umount2 resumed>) = 0 [pid 5547] <... set_robust_list resumed>) = 0 [pid 5547] rt_sigprocmask(SIG_SETMASK, [], [pid 5537] <... mount resumed>) = 0 [pid 5547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5537] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5547] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5537] <... openat resumed>) = 4 [pid 5547] <... openat resumed>) = 7 [pid 5547] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5537] chdir(".") = 0 [pid 5547] <... futex resumed>) = 1 [pid 5537] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5534] <... futex resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5534] exit_group(0 [pid 5537] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5536] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = ? [pid 5534] <... exit_group resumed>) = ? [pid 5536] <... futex resumed>) = 0 [pid 5535] +++ exited with 0 +++ [pid 5537] <... openat resumed>) = 5 [pid 5536] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./23/file0", [pid 5537] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5536] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5537] ftruncate(5, 100663296 [pid 5536] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5547] +++ exited with 0 +++ [pid 5537] <... ftruncate resumed>) = 0 [pid 5536] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5534] +++ exited with 0 +++ [pid 5057] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5546] <... write resumed>) = 4194304 [pid 5537] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5534, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5536] <... futex resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5537] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5058] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5536] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5546] munmap(0x7feca2c44000, 138412032 [pid 5537] <... futex resumed>) = 0 [pid 5536] <... futex resumed>) = 1 [pid 5546] <... munmap resumed>) = 0 [pid 5537] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5536] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] getdents64(4, [pid 5537] <... openat resumed>) = 6 [pid 5059] <... umount2 resumed>) = 0 [pid 5058] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] getdents64(4, [pid 5059] newfstatat(AT_FDCWD, "./23/file0", [pid 5546] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5545] <... write resumed>) = 4194304 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5546] <... openat resumed>) = 4 [pid 5059] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] close(4 [pid 5546] ioctl(4, LOOP_SET_FD, 3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... openat resumed>) = 3 [pid 5057] <... close resumed>) = 0 [pid 5059] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] rmdir("./23/file0" [pid 5545] munmap(0x7feca2c44000, 138412032 [pid 5537] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... openat resumed>) = 4 [pid 5058] newfstatat(3, "", [pid 5057] <... rmdir resumed>) = 0 [pid 5545] <... munmap resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5536] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5536] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] newfstatat(4, "", [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5546] <... ioctl resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5537] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, [pid 5057] getdents64(3, [pid 5059] getdents64(4, [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5546] close(3 [pid 5545] <... openat resumed>) = 4 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5546] <... close resumed>) = 0 [pid 5545] ioctl(4, LOOP_SET_FD, 3 [pid 5537] <... openat resumed>) = 7 [pid 5059] getdents64(4, [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5546] mkdir("./file0", 0777 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5059] close(4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./23/file0" [pid 5058] unlink("./24/binderfs" [pid 5059] <... rmdir resumed>) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5059] getdents64(3, [pid 5546] <... mkdir resumed>) = 0 [pid 5545] <... ioctl resumed>) = 0 [pid 5537] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] close(3 [pid 5545] close(3 [pid 5546] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5545] <... close resumed>) = 0 [pid 5537] <... futex resumed>) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5537] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] close(3 [pid 5057] <... close resumed>) = 0 [pid 5536] exit_group(0 [pid 5537] <... futex resumed>) = ? [pid 5536] <... exit_group resumed>) = ? [pid 5059] <... close resumed>) = 0 [pid 5057] rmdir("./23" [pid 5537] +++ exited with 0 +++ [pid 5059] rmdir("./23" [pid 5545] mkdir("./file0", 0777) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5545] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5536] +++ exited with 0 +++ [pid 5059] mkdir("./24", 0777 [ 103.021653][ T5546] loop3: detected capacity change from 0 to 8192 [ 103.033011][ T5545] loop4: detected capacity change from 0 to 8192 [ 103.056343][ T5546] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5057] mkdir("./24", 0777 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5536, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5059] <... mkdir resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5057] <... openat resumed>) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] close(3 [pid 5062] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] close(3 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... close resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5550 attached [pid 5062] <... openat resumed>) = 3 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... umount2 resumed>) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5550 [pid 5550] set_robust_list(0x55555568a6a0, 24) = 0 [ 103.076765][ T5546] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 103.087186][ T5545] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.112705][ T5546] REISERFS (device loop3): using ordered data mode [ 103.120026][ T5546] reiserfs: using flush barriers [pid 5550] chdir("./24"./strace-static-x86_64: Process 5551 attached [pid 5062] newfstatat(3, "", [pid 5058] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5551] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5550] <... chdir resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5551 [pid 5551] chdir("./24") = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] getdents64(3, [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5551] setpgid(0, 0 [pid 5550] <... prctl resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./24/file0", [pid 5550] setpgid(0, 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5551] <... setpgid resumed>) = 0 [pid 5550] <... setpgid resumed>) = 0 [pid 5058] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5551] <... openat resumed>) = 3 [pid 5550] <... openat resumed>) = 3 [pid 5058] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5550] write(3, "1000", 4 [pid 5058] <... openat resumed>) = 4 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5551] write(3, "1000", 4 [pid 5550] <... write resumed>) = 4 [pid 5058] newfstatat(4, "", [pid 5551] <... write resumed>) = 4 [pid 5550] close(3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5551] close(3 [pid 5550] <... close resumed>) = 0 [pid 5058] getdents64(4, [pid 5551] <... close resumed>) = 0 [pid 5550] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5551] symlink("/dev/binderfs", "./binderfs" [ 103.124453][ T5545] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 103.134747][ T5545] REISERFS (device loop4): using ordered data mode [ 103.141884][ T5545] reiserfs: using flush barriers [ 103.150869][ T5545] 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 5550] <... symlink resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5551] <... symlink resumed>) = 0 [pid 5058] getdents64(4, [pid 5550] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] 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 5062] newfstatat(AT_FDCWD, "./23/binderfs", [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] close(4 [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] unlink("./23/binderfs" [pid 5058] <... close resumed>) = 0 [pid 5550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... unlink resumed>) = 0 [pid 5058] rmdir("./24/file0" [pid 5550] <... mmap resumed>) = 0x7fecab044000 [pid 5062] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... rmdir resumed>) = 0 [pid 5551] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5545] <... mount resumed>) = 0 [pid 5058] getdents64(3, [pid 5551] <... futex resumed>) = 0 [pid 5550] <... mprotect resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5551] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5545] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5058] close(3 [pid 5550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] <... close resumed>) = 0 [pid 5551] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5550] 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] rmdir("./24"./strace-static-x86_64: Process 5552 attached [pid 5551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] <... rmdir resumed>) = 0 [pid 5550] <... clone3 resumed> => {parent_tid=[5552]}, 88) = 5552 [pid 5058] mkdir("./25", 0777 [pid 5550] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... mkdir resumed>) = 0 [pid 5552] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5552] <... rseq resumed>) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5550] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... mount resumed>) = 0 [pid 5545] <... openat resumed>) = 3 [pid 5058] <... openat resumed>) = 3 [pid 5552] set_robust_list(0x7fecab0649a0, 24 [pid 5551] <... mmap resumed>) = 0x7fecab044000 [pid 5550] <... futex resumed>) = 0 [pid 5546] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5545] chdir("./file0" [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5552] <... set_robust_list resumed>) = 0 [pid 5551] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5550] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5545] <... chdir resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5552] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] <... mprotect resumed>) = 0 [pid 5546] <... openat resumed>) = 3 [pid 5545] ioctl(4, LOOP_CLR_FD [pid 5058] close(3 [pid 5552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5546] chdir("./file0" [pid 5545] <... ioctl resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5552] memfd_create("syzkaller", 0 [pid 5551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5545] close(4 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5552] <... memfd_create resumed>) = 3 [pid 5551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5546] <... chdir resumed>) = 0 [pid 5545] <... close resumed>) = 0 ./strace-static-x86_64: Process 5554 attached [pid 5552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5546] ioctl(4, LOOP_CLR_FD [pid 5545] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5552] <... mmap resumed>) = 0x7feca2c44000 [pid 5551] <... clone3 resumed> => {parent_tid=[5554]}, 88) = 5554 [pid 5546] <... ioctl resumed>) = 0 [pid 5545] <... futex resumed>) = 1 [pid 5541] <... futex resumed>) = 0 [pid 5554] <... rseq resumed>) = 0 [pid 5554] set_robust_list(0x7fecab0649a0, 24 [ 103.153393][ T5546] 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 [ 103.168019][ T5545] REISERFS (device loop4): checking transaction log (loop4) [ 103.192410][ T5545] REISERFS (device loop4): Using r5 hash to sort names [ 103.201368][ T5546] REISERFS (device loop3): checking transaction log (loop3) [ 103.210416][ T5546] REISERFS (device loop3): Using r5 hash to sort names [pid 5551] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5553 attached [pid 5554] <... set_robust_list resumed>) = 0 [pid 5551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] close(4 [pid 5545] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5541] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5553 [pid 5553] set_robust_list(0x55555568a6a0, 24 [pid 5554] rt_sigprocmask(SIG_SETMASK, [], [pid 5551] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... close resumed>) = 0 [pid 5545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5541] <... futex resumed>) = 0 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5546] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] mkdir(".", 0777 [pid 5541] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5553] chdir("./25" [pid 5554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5551] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = 1 [pid 5545] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5543] <... futex resumed>) = 0 [pid 5553] <... chdir resumed>) = 0 [pid 5546] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] 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 5543] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] <... futex resumed>) = 0 [pid 5554] memfd_create("syzkaller", 0 [pid 5551] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5543] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5554] <... memfd_create resumed>) = 3 [pid 5554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5553] <... prctl resumed>) = 0 [pid 5546] mkdir(".", 0777 [pid 5553] setpgid(0, 0 [pid 5546] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5553] <... setpgid resumed>) = 0 [ 103.275735][ T5545] reiserfs: enabling write barrier flush mode [ 103.310412][ T5546] reiserfs: enabling write barrier flush mode [pid 5546] 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 5553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5553] write(3, "1000", 4) = 4 [pid 5553] close(3) = 0 [pid 5553] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5553] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5553] 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 5553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5552] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5553] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5546] <... mount resumed>) = 0 [pid 5553] <... mprotect resumed>) = 0 [pid 5546] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5553] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5546] <... openat resumed>) = 4 [pid 5553] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5546] chdir("." [pid 5545] <... mount resumed>) = 0 [pid 5553] 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 5546] <... chdir resumed>) = 0 [pid 5545] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5546] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... openat resumed>) = 4 [pid 5553] <... clone3 resumed> => {parent_tid=[5555]}, 88) = 5555 [pid 5546] <... futex resumed>) = 1 [pid 5545] chdir("." [pid 5543] <... futex resumed>) = 0 [pid 5553] rt_sigprocmask(SIG_SETMASK, [], [pid 5546] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5545] <... chdir resumed>) = 0 [pid 5543] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5545] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... futex resumed>) = 0 [pid 5553] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5545] <... futex resumed>) = 1 [pid 5543] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5555 attached [pid 5553] <... futex resumed>) = 0 [pid 5546] <... openat resumed>) = 5 [pid 5555] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5553] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5546] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5541] <... futex resumed>) = 0 [pid 5546] ftruncate(5, 100663296 [pid 5543] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 103.318557][ T5545] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 103.330705][ T5546] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5541] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] <... rseq resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5543] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5545] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5555] memfd_create("syzkaller", 0 [pid 5545] <... openat resumed>) = 5 [pid 5545] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... memfd_create resumed>) = 3 [pid 5541] <... futex resumed>) = 0 [pid 5545] <... futex resumed>) = 1 [pid 5555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5545] ftruncate(5, 100663296 [pid 5541] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... mmap resumed>) = 0x7feca2c44000 [pid 5541] <... futex resumed>) = 0 [pid 5541] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] <... ftruncate resumed>) = 0 [pid 5546] <... ftruncate resumed>) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5062] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", [pid 5546] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5546] <... futex resumed>) = 0 [pid 5545] <... futex resumed>) = 1 [pid 5543] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5546] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5545] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] <... futex resumed>) = 0 [pid 5541] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5543] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5541] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5545] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5541] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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("./23/file0") = 0 [pid 5062] getdents64(3, [pid 5546] <... openat resumed>) = 6 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5545] <... openat resumed>) = 6 [pid 5545] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5546] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5546] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5541] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5545] <... futex resumed>) = 1 [pid 5543] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5541] <... futex resumed>) = 0 [pid 5543] <... futex resumed>) = 0 [pid 5541] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5545] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5543] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] close(3) = 0 [pid 5545] <... openat resumed>) = 7 [pid 5062] rmdir("./23" [pid 5546] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5545] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... rmdir resumed>) = 0 [pid 5545] <... futex resumed>) = 1 [pid 5541] <... futex resumed>) = 0 [pid 5541] exit_group(0) = ? [pid 5555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5546] <... openat resumed>) = 7 [pid 5062] mkdir("./24", 0777 [pid 5545] +++ exited with 0 +++ [pid 5541] +++ exited with 0 +++ [pid 5062] <... mkdir resumed>) = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5541, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5061] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5061] <... openat resumed>) = 3 [pid 5546] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 3 [pid 5061] newfstatat(3, "", [pid 5546] <... futex resumed>) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5543] exit_group(0 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] getdents64(3, [pid 5543] <... exit_group resumed>) = ? [pid 5062] close(3 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] <... close resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5546] +++ exited with 0 +++ [pid 5543] +++ exited with 0 +++ [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5543, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./24/binderfs") = 0 [pid 5060] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5556 attached [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5556 [pid 5061] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5556] set_robust_list(0x55555568a6a0, 24 [pid 5060] newfstatat(3, "", [pid 5556] <... set_robust_list resumed>) = 0 [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 5060] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./23/binderfs", [pid 5556] chdir("./24" [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./23/binderfs") = 0 [pid 5060] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5556] <... chdir resumed>) = 0 [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5554] <... write resumed>) = 4194304 [pid 5552] <... write resumed>) = 4194304 [pid 5556] setpgid(0, 0) = 0 [pid 5554] munmap(0x7feca2c44000, 138412032 [pid 5552] munmap(0x7feca2c44000, 138412032 [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5556] write(3, "1000", 4 [pid 5554] <... munmap resumed>) = 0 [pid 5556] <... write resumed>) = 4 [pid 5552] <... munmap resumed>) = 0 [pid 5556] close(3) = 0 [pid 5556] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5552] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5556] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5552] <... openat resumed>) = 4 [pid 5556] <... futex resumed>) = 0 [pid 5554] <... openat resumed>) = 4 [pid 5552] ioctl(4, LOOP_SET_FD, 3 [pid 5556] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5554] ioctl(4, LOOP_SET_FD, 3 [pid 5556] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5556] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5556] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5556] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5554] <... ioctl resumed>) = 0 [pid 5556] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5552] <... ioctl resumed>) = 0 [pid 5556] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5554] close(3 [pid 5552] close(3./strace-static-x86_64: Process 5557 attached [pid 5554] <... close resumed>) = 0 [pid 5552] <... close resumed>) = 0 [pid 5557] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5556] <... clone3 resumed> => {parent_tid=[5557]}, 88) = 5557 [pid 5554] mkdir("./file0", 0777 [pid 5552] mkdir("./file0", 0777 [pid 5557] <... rseq resumed>) = 0 [pid 5556] rt_sigprocmask(SIG_SETMASK, [], [pid 5554] <... mkdir resumed>) = 0 [pid 5552] <... mkdir resumed>) = 0 [pid 5557] set_robust_list(0x7fecab0649a0, 24 [pid 5556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5554] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 103.541405][ T5552] loop0: detected capacity change from 0 to 8192 [ 103.549665][ T5554] loop2: detected capacity change from 0 to 8192 [pid 5552] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5557] <... set_robust_list resumed>) = 0 [pid 5556] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] rt_sigprocmask(SIG_SETMASK, [], [pid 5556] <... futex resumed>) = 0 [pid 5557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5556] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5555] <... write resumed>) = 4194304 [pid 5061] <... umount2 resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5557] memfd_create("syzkaller", 0 [pid 5555] munmap(0x7feca2c44000, 138412032 [pid 5061] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5557] <... memfd_create resumed>) = 3 [pid 5557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5555] <... munmap resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 103.606925][ T5552] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.621204][ T5554] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.641979][ T5552] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5557] <... mmap resumed>) = 0x7feca2c44000 [pid 5061] newfstatat(AT_FDCWD, "./24/file0", [pid 5060] newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5555] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5061] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5555] <... openat resumed>) = 4 [pid 5061] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... openat resumed>) = 4 [pid 5060] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] newfstatat(4, "", [pid 5061] getdents64(4, [pid 5555] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, [pid 5061] getdents64(4, [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [ 103.651876][ T5552] REISERFS (device loop0): using ordered data mode [ 103.659906][ T5552] reiserfs: using flush barriers [ 103.670084][ T5555] loop1: detected capacity change from 0 to 8192 [ 103.670780][ T5554] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 103.683849][ T5552] 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 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] getdents64(4, [pid 5061] close(4 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] close(4 [pid 5061] rmdir("./24/file0" [pid 5060] <... close resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] rmdir("./23/file0") = 0 [pid 5060] getdents64(3, [pid 5061] getdents64(3, [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3 [pid 5061] close(3 [pid 5060] <... close resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] rmdir("./23" [pid 5061] rmdir("./24" [pid 5060] <... rmdir resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] mkdir("./24", 0777 [pid 5061] mkdir("./25", 0777 [pid 5060] <... mkdir resumed>) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5061] <... openat resumed>) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5060] <... openat resumed>) = 3 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5061] close(3 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] <... close resumed>) = 0 [pid 5060] close(3 [pid 5555] <... ioctl resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5555] close(3 [pid 5060] <... close resumed>) = 0 [pid 5555] <... close resumed>) = 0 [pid 5555] mkdir("./file0", 0777 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5555] <... mkdir resumed>) = 0 [pid 5555] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5561 ./strace-static-x86_64: Process 5561 attached [pid 5561] set_robust_list(0x55555568a6a0, 24 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5560 [pid 5561] <... set_robust_list resumed>) = 0 [ 103.686403][ T5554] REISERFS (device loop2): using ordered data mode [ 103.708871][ T5554] reiserfs: using flush barriers [ 103.724454][ T5554] 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 5561] chdir("./24") = 0 ./strace-static-x86_64: Process 5560 attached [pid 5561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5561] <... prctl resumed>) = 0 [pid 5561] setpgid(0, 0) = 0 [pid 5561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5560] set_robust_list(0x55555568a6a0, 24 [pid 5561] <... openat resumed>) = 3 [pid 5561] write(3, "1000", 4) = 4 [pid 5561] close(3 [pid 5560] <... set_robust_list resumed>) = 0 [pid 5561] <... close resumed>) = 0 [pid 5561] symlink("/dev/binderfs", "./binderfs" [pid 5560] chdir("./25" [pid 5561] <... symlink resumed>) = 0 [ 103.753120][ T5555] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.754984][ T5554] REISERFS (device loop2): checking transaction log (loop2) [ 103.774511][ T5552] REISERFS (device loop0): checking transaction log (loop0) [ 103.790871][ T5552] REISERFS (device loop0): Using r5 hash to sort names [pid 5561] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... chdir resumed>) = 0 [pid 5561] <... futex resumed>) = 0 [pid 5561] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5561] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5554] <... mount resumed>) = 0 [pid 5560] <... prctl resumed>) = 0 [pid 5560] setpgid(0, 0) = 0 [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5560] write(3, "1000", 4) = 4 [pid 5560] close(3 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5560] <... close resumed>) = 0 [pid 5561] <... mmap resumed>) = 0x7fecab044000 [pid 5561] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5552] <... mount resumed>) = 0 [pid 5560] symlink("/dev/binderfs", "./binderfs" [pid 5561] <... mprotect resumed>) = 0 [pid 5552] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5560] <... symlink resumed>) = 0 [pid 5561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5552] <... openat resumed>) = 3 [pid 5560] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5552] chdir("./file0" [pid 5560] <... futex resumed>) = 0 [pid 5561] 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 5552] <... chdir resumed>) = 0 [pid 5560] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5552] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5563 attached [pid 5560] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5552] <... ioctl resumed>) = 0 [ 103.805102][ T5554] REISERFS (device loop2): Using r5 hash to sort names [ 103.806031][ T5555] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 103.821772][ T5555] REISERFS (device loop1): using ordered data mode [ 103.828471][ T5555] reiserfs: using flush barriers [ 103.842176][ T5555] 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 5563] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5560] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5561] <... clone3 resumed> => {parent_tid=[5563]}, 88) = 5563 [pid 5554] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5552] close(4 [pid 5561] rt_sigprocmask(SIG_SETMASK, [], [pid 5552] <... close resumed>) = 0 [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5560] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5560] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5563] <... rseq resumed>) = 0 [pid 5563] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5552] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] rt_sigprocmask(SIG_SETMASK, [], [pid 5561] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5563] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5561] <... futex resumed>) = 0 [pid 5552] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5550] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] memfd_create("syzkaller", 0 [pid 5560] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5561] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5552] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5550] <... futex resumed>) = 0 [pid 5563] <... memfd_create resumed>) = 3 [pid 5560] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5552] mkdir(".", 0777./strace-static-x86_64: Process 5564 attached [pid 5563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5552] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5550] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5564] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5563] <... mmap resumed>) = 0x7feca2c44000 [pid 5560] <... clone3 resumed> => {parent_tid=[5564]}, 88) = 5564 [pid 5554] <... openat resumed>) = 3 [pid 5552] 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 5564] <... rseq resumed>) = 0 [pid 5560] rt_sigprocmask(SIG_SETMASK, [], [pid 5554] chdir("./file0" [pid 5564] set_robust_list(0x7fecab0649a0, 24 [pid 5560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5564] <... set_robust_list resumed>) = 0 [pid 5560] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] rt_sigprocmask(SIG_SETMASK, [], [pid 5560] <... futex resumed>) = 0 [pid 5564] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5560] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5564] memfd_create("syzkaller", 0) = 3 [pid 5554] <... chdir resumed>) = 0 [pid 5564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5554] ioctl(4, LOOP_CLR_FD [pid 5564] <... mmap resumed>) = 0x7feca2c44000 [pid 5554] <... ioctl resumed>) = 0 [pid 5557] <... write resumed>) = 4194304 [pid 5554] close(4) = 0 [pid 5557] munmap(0x7feca2c44000, 138412032 [pid 5554] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5551] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5557] <... munmap resumed>) = 0 [pid 5554] mkdir(".", 0777) = -1 EEXIST (File exists) [ 103.870828][ T5552] reiserfs: enabling write barrier flush mode [ 103.880372][ T5552] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 103.905126][ T5554] reiserfs: enabling write barrier flush mode [pid 5554] 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 5552] <... mount resumed>) = 0 [pid 5557] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5557] ioctl(4, LOOP_SET_FD, 3 [pid 5552] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5552] chdir(".") = 0 [pid 5552] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5552] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5550] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... openat resumed>) = 5 [pid 5550] <... futex resumed>) = 0 [pid 5552] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... futex resumed>) = 0 [pid 5550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5552] ftruncate(5, 100663296 [pid 5550] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] <... ioctl resumed>) = 0 [pid 5557] close(3 [pid 5550] <... futex resumed>) = 0 [pid 5557] <... close resumed>) = 0 [pid 5554] <... mount resumed>) = 0 [pid 5550] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] mkdir("./file0", 0777 [pid 5554] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5557] <... mkdir resumed>) = 0 [pid 5554] <... openat resumed>) = 4 [pid 5552] <... ftruncate resumed>) = 0 [pid 5557] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 103.916687][ T5555] REISERFS (device loop1): checking transaction log (loop1) [ 103.930318][ T5557] loop5: detected capacity change from 0 to 8192 [ 103.939231][ T5554] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5554] chdir("." [pid 5563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5554] <... chdir resumed>) = 0 [pid 5554] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5554] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... futex resumed>) = 0 [pid 5554] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5551] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] <... openat resumed>) = 5 [pid 5564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5552] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5552] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5550] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... mount resumed>) = 0 [pid 5554] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5550] <... futex resumed>) = 0 [pid 5550] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] <... futex resumed>) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5552] <... openat resumed>) = 6 [pid 5552] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5554] ftruncate(5, 100663296 [pid 5551] <... futex resumed>) = 0 [pid 5551] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] <... openat resumed>) = 3 [pid 5552] <... futex resumed>) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5550] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5550] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5555] chdir("./file0" [pid 5554] <... ftruncate resumed>) = 0 [pid 5555] <... chdir resumed>) = 0 [pid 5555] ioctl(4, LOOP_CLR_FD) = 0 [pid 5555] close(4) = 0 [ 103.963854][ T5557] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.985063][ T5555] REISERFS (device loop1): Using r5 hash to sort names [pid 5552] <... openat resumed>) = 7 [pid 5555] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5553] <... futex resumed>) = 0 [pid 5555] mkdir(".", 0777 [pid 5553] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5553] <... futex resumed>) = 0 [pid 5554] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5552] <... futex resumed>) = 1 [pid 5550] <... futex resumed>) = 0 [pid 5555] 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 5553] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5554] <... futex resumed>) = 1 [pid 5552] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] <... futex resumed>) = 0 [pid 5550] exit_group(0 [pid 5552] <... futex resumed>) = ? [pid 5550] <... exit_group resumed>) = ? [pid 5552] +++ exited with 0 +++ [pid 5550] +++ exited with 0 +++ [pid 5551] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5550, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5554] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5551] <... futex resumed>) = 0 [pid 5057] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5057] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 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 5057] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5551] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] unlink("./24/binderfs") = 0 [pid 5057] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5554] <... openat resumed>) = 6 [pid 5554] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5554] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5551] <... futex resumed>) = 0 [pid 5554] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 104.031409][ T5557] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 104.048930][ T5555] reiserfs: enabling write barrier flush mode [ 104.066093][ T5557] REISERFS (device loop5): using ordered data mode [ 104.072717][ T5557] reiserfs: using flush barriers [pid 5551] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5554] <... openat resumed>) = 7 [pid 5554] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5551] <... futex resumed>) = 0 [pid 5554] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5551] exit_group(0 [pid 5554] <... futex resumed>) = ? [pid 5551] <... exit_group resumed>) = ? [pid 5554] +++ exited with 0 +++ [pid 5564] <... write resumed>) = 4194304 [pid 5563] <... write resumed>) = 4194304 [pid 5555] <... mount resumed>) = 0 [pid 5551] +++ exited with 0 +++ [pid 5564] munmap(0x7feca2c44000, 138412032 [pid 5563] munmap(0x7feca2c44000, 138412032 [pid 5555] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5564] <... munmap resumed>) = 0 [pid 5563] <... munmap resumed>) = 0 [pid 5555] <... openat resumed>) = 4 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5551, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [ 104.100588][ T5555] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 104.114155][ T5557] 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 [ 104.132255][ T5557] REISERFS (device loop5): checking transaction log (loop5) [ 104.143948][ T5563] loop3: detected capacity change from 0 to 8192 [pid 5059] restart_syscall(<... resuming interrupted clone ...> [pid 5564] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5563] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5555] chdir("." [pid 5059] <... restart_syscall resumed>) = 0 [pid 5564] <... openat resumed>) = 4 [pid 5563] <... openat resumed>) = 4 [pid 5555] <... chdir resumed>) = 0 [pid 5564] ioctl(4, LOOP_SET_FD, 3 [pid 5563] ioctl(4, LOOP_SET_FD, 3 [pid 5555] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5553] <... futex resumed>) = 0 [pid 5553] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5553] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5555] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5059] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5564] <... ioctl resumed>) = 0 [pid 5563] <... ioctl resumed>) = 0 [pid 5557] <... mount resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5564] close(3 [pid 5555] <... openat resumed>) = 5 [pid 5059] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5564] <... close resumed>) = 0 [pid 5564] mkdir("./file0", 0777 [pid 5059] <... openat resumed>) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5555] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] <... futex resumed>) = 0 [pid 5553] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5553] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... mkdir resumed>) = 0 [pid 5555] <... futex resumed>) = 1 [pid 5059] getdents64(3, [pid 5555] ftruncate(5, 100663296 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5564] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5563] close(3 [pid 5557] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5557] <... openat resumed>) = 3 [pid 5557] chdir("./file0" [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5557] <... chdir resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5563] <... close resumed>) = 0 [pid 5557] ioctl(4, LOOP_CLR_FD [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5563] mkdir("./file0", 0777 [pid 5557] <... ioctl resumed>) = 0 [pid 5059] unlink("./24/binderfs") = 0 [pid 5563] <... mkdir resumed>) = 0 [pid 5563] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 104.150579][ T5557] REISERFS (device loop5): Using r5 hash to sort names [ 104.151810][ T5564] loop4: detected capacity change from 0 to 8192 [pid 5557] close(4) = 0 [pid 5059] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5557] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... umount2 resumed>) = 0 [pid 5557] <... futex resumed>) = 1 [pid 5557] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5556] <... futex resumed>) = 0 [pid 5555] <... ftruncate resumed>) = 0 [pid 5553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5556] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5557] <... futex resumed>) = 0 [pid 5556] <... futex resumed>) = 1 [pid 5553] <... mmap resumed>) = 0x7fecab023000 [pid 5555] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5553] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5553] 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 5557] mkdir(".", 0777 [pid 5556] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5555] <... futex resumed>) = 0 [pid 5553] <... clone3 resumed> => {parent_tid=[5568]}, 88) = 5568 [pid 5557] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5555] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] rt_sigprocmask(SIG_SETMASK, [], [pid 5557] 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 5553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5553] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5553] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./24/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 5057] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(4) = 0 [pid 5057] rmdir("./24/file0") = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5057] rmdir("./24") = 0 [pid 5057] mkdir("./25", 0777./strace-static-x86_64: Process 5568 attached ) = 0 [pid 5568] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [ 104.208543][ T5564] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 104.223038][ T5563] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 104.246570][ T5557] reiserfs: enabling write barrier flush mode [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5568] <... rseq resumed>) = 0 [pid 5568] set_robust_list(0x7fecab0439a0, 24 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5568] <... set_robust_list resumed>) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5057] close(3 [pid 5568] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5057] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5569 ./strace-static-x86_64: Process 5569 attached [pid 5569] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5569] chdir("./25") = 0 [pid 5569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5569] setpgid(0, 0) = 0 [pid 5569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5569] write(3, "1000", 4) = 4 [pid 5569] close(3) = 0 [pid 5569] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5569] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5569] 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 5569] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5569] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5569] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5569] 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 5570 attached => {parent_tid=[5570]}, 88) = 5570 [pid 5570] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5569] rt_sigprocmask(SIG_SETMASK, [], [pid 5553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5553] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5553] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5570] <... rseq resumed>) = 0 [pid 5569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] set_robust_list(0x7fecab0649a0, 24 [pid 5569] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... set_robust_list resumed>) = 0 [pid 5569] <... futex resumed>) = 0 [pid 5570] rt_sigprocmask(SIG_SETMASK, [], [pid 5569] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] memfd_create("syzkaller", 0) = 3 [pid 5570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5555] <... futex resumed>) = 0 [pid 5555] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5568] <... openat resumed>) = 6 [pid 5557] <... mount resumed>) = 0 [pid 5555] <... openat resumed>) = 7 [pid 5555] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5555] <... futex resumed>) = 1 [pid 5568] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [ 104.286253][ T5557] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 104.301770][ T5563] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 104.315314][ T5564] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 104.324944][ T5563] REISERFS (device loop3): using ordered data mode [pid 5555] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5568] <... futex resumed>) = 0 [pid 5553] <... futex resumed>) = 0 [pid 5557] <... openat resumed>) = 4 [pid 5568] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5553] exit_group(0 [pid 5568] <... futex resumed>) = ? [pid 5557] chdir("." [pid 5555] <... futex resumed>) = ? [pid 5553] <... exit_group resumed>) = ? [pid 5555] +++ exited with 0 +++ [pid 5568] +++ exited with 0 +++ [pid 5557] <... chdir resumed>) = 0 [pid 5557] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5556] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5556] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5553] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5553, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5058] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5557] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5058] <... openat resumed>) = 3 [pid 5058] newfstatat(3, "", [pid 5557] <... openat resumed>) = 5 [ 104.344484][ T5563] reiserfs: using flush barriers [ 104.359646][ T5564] REISERFS (device loop4): using ordered data mode [ 104.365518][ T5563] 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 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 5557] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = 0 [pid 5058] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5557] <... futex resumed>) = 0 [pid 5556] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5059] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5556] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5557] ftruncate(5, 100663296 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./24/file0", [pid 5058] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5556] <... futex resumed>) = 0 [pid 5556] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 104.394315][ T5564] reiserfs: using flush barriers [pid 5058] unlink("./25/binderfs") = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... openat resumed>) = 4 [pid 5059] newfstatat(4, "", [pid 5570] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5557] <... ftruncate resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5557] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] getdents64(4, [pid 5557] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5556] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] getdents64(4, [pid 5557] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5556] <... futex resumed>) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5556] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] <... openat resumed>) = 6 [pid 5059] close(4) = 0 [ 104.420914][ T5564] 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 [ 104.434023][ T5563] REISERFS (device loop3): checking transaction log (loop3) [pid 5059] rmdir("./24/file0" [pid 5557] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... rmdir resumed>) = 0 [pid 5557] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5557] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] getdents64(3, [pid 5556] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3 [pid 5556] <... futex resumed>) = 1 [pid 5059] <... close resumed>) = 0 [pid 5557] <... futex resumed>) = 0 [pid 5556] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5557] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5059] rmdir("./24" [pid 5557] <... openat resumed>) = 7 [pid 5059] <... rmdir resumed>) = 0 [pid 5059] mkdir("./25", 0777) = 0 [pid 5557] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5557] <... futex resumed>) = 1 [pid 5556] <... futex resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5557] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5556] exit_group(0 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5557] <... futex resumed>) = ? [pid 5556] <... exit_group resumed>) = ? [pid 5059] close(3 [pid 5563] <... mount resumed>) = 0 [pid 5557] +++ exited with 0 +++ [pid 5059] <... close resumed>) = 0 [pid 5563] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5571 attached [pid 5563] <... openat resumed>) = 3 [pid 5556] +++ exited with 0 +++ [pid 5058] <... umount2 resumed>) = 0 [pid 5571] set_robust_list(0x55555568a6a0, 24 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5571 [pid 5058] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5571] <... set_robust_list resumed>) = 0 [pid 5563] chdir("./file0" [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5571] chdir("./25" [pid 5062] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5563] <... chdir resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./25/file0", [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5563] ioctl(4, LOOP_CLR_FD [pid 5062] <... openat resumed>) = 3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5571] <... chdir resumed>) = 0 [pid 5563] <... ioctl resumed>) = 0 [pid 5062] newfstatat(3, "", [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5571] <... prctl resumed>) = 0 [pid 5563] close(4 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5571] setpgid(0, 0 [pid 5563] <... close resumed>) = 0 [pid 5062] getdents64(3, [pid 5058] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5563] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5563] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = 0 [pid 5062] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... openat resumed>) = 4 [ 104.470830][ T5564] REISERFS (device loop4): checking transaction log (loop4) [ 104.490228][ T5563] REISERFS (device loop3): Using r5 hash to sort names [pid 5571] <... setpgid resumed>) = 0 [pid 5563] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5561] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(4, "", [pid 5561] <... futex resumed>) = 0 [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5564] <... mount resumed>) = 0 [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5561] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5571] <... openat resumed>) = 3 [pid 5563] mkdir(".", 0777 [pid 5058] getdents64(4, [pid 5563] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5563] 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 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4 [pid 5062] unlink("./24/binderfs" [pid 5058] <... close resumed>) = 0 [pid 5058] rmdir("./25/file0" [pid 5062] <... unlink resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5571] write(3, "1000", 4 [pid 5564] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5062] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] getdents64(3, [pid 5571] <... write resumed>) = 4 [pid 5564] <... openat resumed>) = 3 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5571] close(3 [pid 5564] chdir("./file0" [pid 5058] close(3 [pid 5571] <... close resumed>) = 0 [pid 5571] symlink("/dev/binderfs", "./binderfs" [pid 5564] <... chdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5564] ioctl(4, LOOP_CLR_FD [pid 5058] rmdir("./25" [pid 5571] <... symlink resumed>) = 0 [pid 5564] <... ioctl resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5564] close(4 [pid 5058] mkdir("./26", 0777 [pid 5564] <... close resumed>) = 0 [pid 5564] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... mkdir resumed>) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5564] mkdir(".", 0777 [pid 5560] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... mkdir resumed>) = -1 EEXIST (File exists) [ 104.519352][ T5564] REISERFS (device loop4): Using r5 hash to sort names [ 104.530333][ T5563] reiserfs: enabling write barrier flush mode [ 104.542589][ T5563] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5560] <... futex resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5564] 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 5560] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5571] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... ioctl resumed>) = -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) = 5572 [pid 5571] <... futex resumed>) = 0 [pid 5563] <... mount resumed>) = 0 ./strace-static-x86_64: Process 5572 attached [pid 5571] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5572] set_robust_list(0x55555568a6a0, 24 [pid 5571] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5572] <... set_robust_list resumed>) = 0 [pid 5571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5572] chdir("./26" [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] <... chdir resumed>) = 0 [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5563] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5571] <... mmap resumed>) = 0x7fecab044000 [pid 5563] <... openat resumed>) = 4 [pid 5572] <... prctl resumed>) = 0 [pid 5571] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5563] chdir("." [pid 5572] setpgid(0, 0 [pid 5571] <... mprotect resumed>) = 0 [pid 5563] <... chdir resumed>) = 0 [pid 5572] <... setpgid resumed>) = 0 [pid 5571] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5563] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5563] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = 0 [pid 5563] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5561] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5563] <... openat resumed>) = 5 [pid 5561] <... futex resumed>) = 0 [pid 5561] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5561] <... futex resumed>) = 0 [pid 5563] ftruncate(5, 100663296 [pid 5561] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5561] <... futex resumed>) = 0 [pid 5561] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... mount resumed>) = 0 [pid 5572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5571] <... clone3 resumed> => {parent_tid=[5573]}, 88) = 5573 [pid 5564] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5571] rt_sigprocmask(SIG_SETMASK, [], [pid 5564] <... openat resumed>) = 4 [pid 5572] <... openat resumed>) = 3 [pid 5564] chdir("." [pid 5571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] write(3, "1000", 4 [pid 5564] <... chdir resumed>) = 0 [pid 5572] <... write resumed>) = 4 [pid 5571] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5573 attached [pid 5572] close(3 [pid 5571] <... futex resumed>) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5563] <... ftruncate resumed>) = 0 [pid 5560] <... futex resumed>) = 0 [pid 5573] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5572] <... close resumed>) = 0 [pid 5571] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5570] <... write resumed>) = 4194304 [pid 5564] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] symlink("/dev/binderfs", "./binderfs" [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5573] <... rseq resumed>) = 0 [pid 5572] <... symlink resumed>) = 0 [pid 5564] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5560] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5564] <... openat resumed>) = 5 [ 104.574183][ T5564] reiserfs: enabling write barrier flush mode [ 104.605231][ T5564] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5573] rt_sigprocmask(SIG_SETMASK, [], [pid 5564] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] munmap(0x7feca2c44000, 138412032 [pid 5564] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5573] memfd_create("syzkaller", 0 [pid 5564] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... memfd_create resumed>) = 3 [pid 5572] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... munmap resumed>) = 0 [pid 5564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] <... futex resumed>) = 0 [pid 5573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5572] <... futex resumed>) = 0 [pid 5570] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5564] ftruncate(5, 100663296 [pid 5563] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] <... mmap resumed>) = 0x7feca2c44000 [pid 5572] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5570] <... openat resumed>) = 4 [pid 5572] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5561] <... futex resumed>) = 0 [pid 5561] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5561] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5563] <... futex resumed>) = 1 [pid 5563] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5572] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5564] <... ftruncate resumed>) = 0 [pid 5563] <... openat resumed>) = 6 [pid 5572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5570] ioctl(4, LOOP_SET_FD, 3 [pid 5564] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 5572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5570] <... ioctl resumed>) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5563] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5560] <... futex resumed>) = 0 [pid 5062] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5572] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5564] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5563] <... futex resumed>) = 1 [pid 5560] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5561] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5572] <... mprotect resumed>) = 0 [pid 5563] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] <... futex resumed>) = 0 [pid 5561] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5560] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./24/file0", [pid 5572] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5563] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5561] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] 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 5570] close(3 [pid 5563] <... openat resumed>) = 7 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5574 attached [pid 5570] <... close resumed>) = 0 [pid 5563] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5574] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5572] <... clone3 resumed> => {parent_tid=[5574]}, 88) = 5574 [pid 5570] mkdir("./file0", 0777 [pid 5563] <... futex resumed>) = 1 [pid 5561] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5574] <... rseq resumed>) = 0 [pid 5572] rt_sigprocmask(SIG_SETMASK, [], [pid 5570] <... mkdir resumed>) = 0 [pid 5563] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5561] exit_group(0 [pid 5062] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5574] set_robust_list(0x7fecab0649a0, 24 [pid 5572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5563] <... futex resumed>) = ? [pid 5561] <... exit_group resumed>) = ? [pid 5572] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5564] <... openat resumed>) = 6 [pid 5563] +++ exited with 0 +++ [pid 5561] +++ exited with 0 +++ [pid 5062] <... openat resumed>) = 4 [pid 5574] <... set_robust_list resumed>) = 0 [pid 5572] <... futex resumed>) = 0 [pid 5570] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5564] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(4, "", [ 104.695636][ T5570] loop0: detected capacity change from 0 to 8192 [pid 5574] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5572] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5564] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5561, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5564] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5560] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 5560] <... futex resumed>) = 0 [pid 5574] memfd_create("syzkaller", 0 [pid 5564] <... openat resumed>) = 7 [pid 5560] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5564] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5564] <... futex resumed>) = 1 [pid 5560] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5060] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5564] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5560] exit_group(0 [pid 5062] <... close resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5564] <... futex resumed>) = ? [pid 5560] <... exit_group resumed>) = ? [pid 5062] rmdir("./24/file0" [pid 5060] newfstatat(3, "", [pid 5574] <... memfd_create resumed>) = 3 [pid 5564] +++ exited with 0 +++ [pid 5560] +++ exited with 0 +++ [pid 5062] <... rmdir resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] getdents64(3, [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5560, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5060] getdents64(3, [pid 5574] <... mmap resumed>) = 0x7feca2c44000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] <... close resumed>) = 0 [pid 5061] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] rmdir("./24" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] <... rmdir resumed>) = 0 [pid 5062] mkdir("./25", 0777 [pid 5061] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] newfstatat(AT_FDCWD, "./24/binderfs", [pid 5062] <... mkdir resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5061] newfstatat(3, "", [pid 5060] unlink("./24/binderfs" [pid 5062] <... openat resumed>) = 3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] getdents64(3, [pid 5060] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [ 104.740466][ T5570] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5062] close(3 [pid 5573] <... write resumed>) = 4194304 [pid 5062] <... close resumed>) = 0 [pid 5061] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5573] munmap(0x7feca2c44000, 138412032 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./25/binderfs" [pid 5573] <... munmap resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5573] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5576 [pid 5061] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5576 attached [pid 5573] <... openat resumed>) = 4 [ 104.798970][ T5570] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 104.808712][ T5570] REISERFS (device loop0): using ordered data mode [ 104.815343][ T5570] reiserfs: using flush barriers [ 104.822134][ T5570] 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 [ 104.828506][ T5573] loop2: detected capacity change from 0 to 8192 [pid 5573] ioctl(4, LOOP_SET_FD, 3 [pid 5576] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5576] chdir("./25") = 0 [pid 5576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5576] setpgid(0, 0) = 0 [pid 5576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5576] write(3, "1000", 4) = 4 [pid 5576] close(3) = 0 [ 104.839050][ T5570] REISERFS (device loop0): checking transaction log (loop0) [pid 5576] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5576] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5576] 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 5576] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5576] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5576] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5576] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5577]}, 88) = 5577 [pid 5576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5576] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5576] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5577 attached [pid 5577] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5570] <... mount resumed>) = 0 [pid 5577] set_robust_list(0x7fecab0649a0, 24 [pid 5570] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5577] <... set_robust_list resumed>) = 0 [pid 5577] rt_sigprocmask(SIG_SETMASK, [], [pid 5570] <... openat resumed>) = 3 [pid 5577] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5577] memfd_create("syzkaller", 0 [pid 5570] chdir("./file0" [pid 5577] <... memfd_create resumed>) = 3 [pid 5570] <... chdir resumed>) = 0 [pid 5577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5570] ioctl(4, LOOP_CLR_FD [pid 5577] <... mmap resumed>) = 0x7feca2c44000 [pid 5570] <... ioctl resumed>) = 0 [pid 5573] <... ioctl resumed>) = 0 [pid 5574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5570] close(4 [ 104.870439][ T5570] REISERFS (device loop0): Using r5 hash to sort names [pid 5573] close(3 [pid 5570] <... close resumed>) = 0 [pid 5570] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5570] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5569] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] <... futex resumed>) = 0 [pid 5570] mkdir(".", 0777 [pid 5569] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5570] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5573] <... close resumed>) = 0 [pid 5570] 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 5573] mkdir("./file0", 0777) = 0 [ 104.934980][ T5570] reiserfs: enabling write barrier flush mode [ 104.956127][ T5573] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5573] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5060] <... umount2 resumed>) = 0 [pid 5574] <... write resumed>) = 4194304 [pid 5570] <... mount resumed>) = 0 [pid 5570] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5574] munmap(0x7feca2c44000, 138412032) = 0 [pid 5570] <... openat resumed>) = 4 [pid 5060] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5574] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5570] chdir("." [pid 5574] <... openat resumed>) = 4 [pid 5570] <... chdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5574] ioctl(4, LOOP_SET_FD, 3 [pid 5570] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./24/file0", [pid 5577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5570] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5569] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5570] <... openat resumed>) = 5 [pid 5569] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5570] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5569] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... openat resumed>) = 4 [ 104.985461][ T5570] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 104.986535][ T5573] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 105.013851][ T5574] loop1: detected capacity change from 0 to 8192 [pid 5574] <... ioctl resumed>) = 0 [pid 5570] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [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, [pid 5574] close(3 [pid 5569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5570] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] close(4) = 0 [pid 5060] rmdir("./24/file0") = 0 [pid 5060] getdents64(3, [pid 5574] <... close resumed>) = 0 [pid 5569] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5574] mkdir("./file0", 0777 [pid 5570] <... futex resumed>) = 0 [pid 5569] <... futex resumed>) = 1 [pid 5060] close(3) = 0 [pid 5060] rmdir("./24") = 0 [pid 5060] mkdir("./25", 0777) = 0 [pid 5574] <... mkdir resumed>) = 0 [pid 5570] ftruncate(5, 100663296 [pid 5569] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] newfstatat(AT_FDCWD, "./25/file0", [pid 5574] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|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 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] close(3) = 0 [pid 5061] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 105.040039][ T5573] REISERFS (device loop2): using ordered data mode [ 105.047192][ T5573] reiserfs: using flush barriers [ 105.056115][ T5573] 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 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5570] <... ftruncate resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5580 ./strace-static-x86_64: Process 5580 attached [pid 5580] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5580] chdir("./25") = 0 [pid 5580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5580] setpgid(0, 0) = 0 [pid 5580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5570] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5570] <... futex resumed>) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5570] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5569] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... openat resumed>) = 4 [pid 5580] write(3, "1000", 4) = 4 [pid 5580] close(3) = 0 [pid 5580] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5569] <... futex resumed>) = 0 [pid 5061] newfstatat(4, "", [pid 5569] futex(0x7fecab1306cc, 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 5580] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(4, [pid 5580] <... futex resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5580] 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 [ 105.101816][ T5574] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.115597][ T5573] REISERFS (device loop2): checking transaction log (loop2) [ 105.136399][ T5573] REISERFS (device loop2): Using r5 hash to sort names [pid 5580] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5573] <... mount resumed>) = 0 [pid 5570] <... openat resumed>) = 6 [pid 5061] getdents64(4, [pid 5570] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5577] <... write resumed>) = 4194304 [pid 5570] <... futex resumed>) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5061] close(4 [pid 5577] munmap(0x7feca2c44000, 138412032 [pid 5570] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5569] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5573] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] <... close resumed>) = 0 [pid 5580] <... mmap resumed>) = 0x7fecab044000 [pid 5573] <... openat resumed>) = 3 [pid 5570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5569] <... futex resumed>) = 0 [pid 5061] rmdir("./25/file0" [pid 5580] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5573] chdir("./file0" [pid 5570] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5569] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... rmdir resumed>) = 0 [pid 5580] <... mprotect resumed>) = 0 [pid 5573] <... chdir resumed>) = 0 [pid 5570] <... openat resumed>) = 7 [pid 5061] getdents64(3, [pid 5580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5577] <... munmap resumed>) = 0 [pid 5570] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5577] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5573] ioctl(4, LOOP_CLR_FD [pid 5570] <... futex resumed>) = 1 [pid 5569] <... futex resumed>) = 0 [pid 5061] close(3 [pid 5580] 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 5573] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5581 attached [pid 5573] close(4 [pid 5581] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5580] <... clone3 resumed> => {parent_tid=[5581]}, 88) = 5581 [pid 5573] <... close resumed>) = 0 [pid 5581] <... rseq resumed>) = 0 [pid 5577] <... openat resumed>) = 4 [pid 5570] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5569] exit_group(0 [pid 5061] <... close resumed>) = 0 [pid 5581] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5581] memfd_create("syzkaller", 0 [pid 5580] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... memfd_create resumed>) = 3 [pid 5580] <... futex resumed>) = 0 [ 105.141047][ T5574] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 105.159230][ T5574] REISERFS (device loop1): using ordered data mode [ 105.165844][ T5574] reiserfs: using flush barriers [ 105.177090][ T5574] 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 [ 105.194311][ T5574] REISERFS (device loop1): checking transaction log (loop1) [pid 5581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5580] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5581] <... mmap resumed>) = 0x7feca2c44000 [pid 5573] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./25" [pid 5569] <... exit_group resumed>) = ? [pid 5577] ioctl(4, LOOP_SET_FD, 3 [pid 5574] <... mount resumed>) = 0 [pid 5570] <... futex resumed>) = ? [pid 5573] <... futex resumed>) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5573] mkdir(".", 0777 [pid 5571] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... rmdir resumed>) = 0 [pid 5573] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5571] <... futex resumed>) = 0 [pid 5573] 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 5571] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5570] +++ exited with 0 +++ [pid 5577] <... ioctl resumed>) = 0 [pid 5574] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5569] +++ exited with 0 +++ [pid 5061] mkdir("./26", 0777 [pid 5577] close(3 [pid 5574] <... openat resumed>) = 3 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5569, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5577] <... close resumed>) = 0 [pid 5574] chdir("./file0" [pid 5061] <... mkdir resumed>) = 0 [pid 5577] mkdir("./file0", 0777 [pid 5574] <... chdir resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5577] <... mkdir resumed>) = 0 [pid 5574] ioctl(4, LOOP_CLR_FD [pid 5061] <... openat resumed>) = 3 [pid 5577] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5574] <... ioctl resumed>) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5574] close(4 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5574] <... close resumed>) = 0 [pid 5061] close(3 [ 105.202996][ T5574] REISERFS (device loop1): Using r5 hash to sort names [ 105.211977][ T5577] loop5: detected capacity change from 0 to 8192 [ 105.220004][ T5573] reiserfs: enabling write barrier flush mode [pid 5057] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5574] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... close resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5574] <... futex resumed>) = 1 [pid 5572] <... futex resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5574] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5573] <... mount resumed>) = 0 [pid 5572] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = 0 [pid 5574] mkdir(".", 0777 [pid 5573] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5572] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5583 attached [pid 5574] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5573] <... openat resumed>) = 4 [pid 5057] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5583] set_robust_list(0x55555568a6a0, 24 [pid 5574] 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 5573] chdir("." [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5583 [pid 5583] <... set_robust_list resumed>) = 0 [pid 5583] chdir("./26" [pid 5581] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5573] <... chdir 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 5057] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5583] <... chdir resumed>) = 0 [pid 5573] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5573] <... futex resumed>) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5057] unlink("./25/binderfs" [pid 5583] <... prctl resumed>) = 0 [pid 5573] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] setpgid(0, 0 [pid 5571] <... futex resumed>) = 0 [pid 5583] <... setpgid resumed>) = 0 [pid 5571] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... unlink resumed>) = 0 [pid 5057] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5583] <... openat resumed>) = 3 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] write(3, "1000", 4 [pid 5573] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5583] <... write resumed>) = 4 [pid 5583] close(3 [pid 5573] <... openat resumed>) = 5 [pid 5583] <... close resumed>) = 0 [pid 5573] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] symlink("/dev/binderfs", "./binderfs" [pid 5573] <... futex resumed>) = 1 [pid 5571] <... futex resumed>) = 0 [ 105.247700][ T5573] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 105.258206][ T5577] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.272892][ T5574] reiserfs: enabling write barrier flush mode [pid 5583] <... symlink resumed>) = 0 [pid 5573] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5571] <... futex resumed>) = 0 [pid 5573] ftruncate(5, 100663296 [pid 5571] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] <... futex resumed>) = 0 [pid 5583] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5573] <... ftruncate resumed>) = 0 [pid 5583] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5573] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5573] <... futex resumed>) = 1 [pid 5583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5571] <... futex resumed>) = 0 [pid 5583] <... mmap resumed>) = 0x7fecab044000 [pid 5571] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5573] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5571] <... futex resumed>) = 0 [pid 5583] <... mprotect resumed>) = 0 [ 105.324190][ T5574] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 105.345059][ T5577] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 105.359112][ T5577] REISERFS (device loop5): using ordered data mode [pid 5571] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5583] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5574] <... mount resumed>) = 0 [pid 5574] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5574] chdir(".") = 0 [pid 5574] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5572] <... futex resumed>) = 0 [pid 5583] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5574] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = 0 [pid 5583] 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 5574] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5572] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5584 attached [pid 5574] <... openat resumed>) = 5 [pid 5584] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5583] <... clone3 resumed> => {parent_tid=[5584]}, 88) = 5584 [pid 5574] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5573] <... openat resumed>) = 6 [pid 5584] <... rseq resumed>) = 0 [pid 5583] rt_sigprocmask(SIG_SETMASK, [], [pid 5574] <... futex resumed>) = 1 [pid 5573] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5572] <... futex resumed>) = 0 [pid 5584] set_robust_list(0x7fecab0649a0, 24 [pid 5572] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... set_robust_list resumed>) = 0 [pid 5583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5572] <... futex resumed>) = 0 [pid 5584] rt_sigprocmask(SIG_SETMASK, [], [pid 5573] <... futex resumed>) = 1 [ 105.372021][ T5577] reiserfs: using flush barriers [pid 5572] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5571] <... futex resumed>) = 0 [pid 5583] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5574] ftruncate(5, 100663296 [pid 5573] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5571] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5584] memfd_create("syzkaller", 0 [pid 5583] <... futex resumed>) = 0 [pid 5571] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5584] <... memfd_create resumed>) = 3 [pid 5583] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5573] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5573] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... mmap resumed>) = 0x7feca2c44000 [pid 5573] <... futex resumed>) = 1 [pid 5571] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = 0 [pid 5571] exit_group(0) = ? [pid 5057] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5573] +++ exited with 0 +++ [pid 5571] +++ exited with 0 +++ [pid 5057] newfstatat(AT_FDCWD, "./25/file0", [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5571, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 105.411553][ T5577] 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 5057] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5581] <... write resumed>) = 4194304 [pid 5574] <... ftruncate resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5574] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5581] munmap(0x7feca2c44000, 138412032 [pid 5574] <... futex resumed>) = 1 [pid 5572] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5574] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5572] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... openat resumed>) = 4 [pid 5581] <... munmap resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5581] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5572] <... futex resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5581] ioctl(4, LOOP_SET_FD, 3 [pid 5057] getdents64(4, [pid 5574] <... openat resumed>) = 6 [pid 5572] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] newfstatat(3, "", [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(3, [pid 5057] getdents64(4, [pid 5574] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5581] <... ioctl resumed>) = 0 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5581] close(3 [pid 5577] <... mount resumed>) = 0 [pid 5574] <... futex resumed>) = 1 [pid 5572] <... futex resumed>) = 0 [pid 5057] close(4 [pid 5581] <... close resumed>) = 0 [pid 5577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5574] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... close resumed>) = 0 [pid 5581] mkdir("./file0", 0777 [pid 5577] <... openat resumed>) = 3 [pid 5574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5572] <... futex resumed>) = 0 [pid 5057] rmdir("./25/file0" [pid 5577] chdir("./file0" [pid 5574] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5572] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5581] <... mkdir resumed>) = 0 [pid 5577] <... chdir resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... rmdir resumed>) = 0 [pid 5581] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5577] ioctl(4, LOOP_CLR_FD [pid 5574] <... openat resumed>) = 7 [pid 5059] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5577] <... ioctl resumed>) = 0 [ 105.478623][ T5577] REISERFS (device loop5): checking transaction log (loop5) [ 105.486359][ T5581] loop3: detected capacity change from 0 to 8192 [ 105.493955][ T5577] REISERFS (device loop5): Using r5 hash to sort names [pid 5574] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] getdents64(3, [pid 5577] close(4 [pid 5574] <... futex resumed>) = 1 [pid 5572] <... futex resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./25/binderfs") = 0 [pid 5059] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5577] <... close resumed>) = 0 [pid 5574] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5572] exit_group(0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5572] <... exit_group resumed>) = ? [pid 5574] <... futex resumed>) = ? [pid 5057] close(3 [pid 5577] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... close resumed>) = 0 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5577] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5574] +++ exited with 0 +++ [pid 5576] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5057] rmdir("./25" [pid 5577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5577] mkdir(".", 0777 [pid 5576] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5577] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5057] <... rmdir resumed>) = 0 [pid 5577] 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] mkdir("./26", 0777) = 0 [pid 5572] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5572, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5058] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./26", 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, [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... openat resumed>) = 3 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5058] unlink("./26/binderfs") = 0 [pid 5058] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 105.520135][ T5581] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.544809][ T5577] reiserfs: enabling write barrier flush mode [pid 5057] close(3) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5587 attached , child_tidptr=0x55555568a690) = 5587 [pid 5587] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5587] chdir("./26") = 0 [pid 5587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5587] setpgid(0, 0) = 0 [pid 5587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5587] write(3, "1000", 4) = 4 [pid 5587] close(3) = 0 [ 105.570332][ T5581] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 105.575550][ T5577] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 105.582270][ T5581] REISERFS (device loop3): using ordered data mode [ 105.596163][ T5581] reiserfs: using flush barriers [pid 5587] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5584] <... write resumed>) = 4194304 [pid 5577] <... mount resumed>) = 0 [pid 5587] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] munmap(0x7feca2c44000, 138412032 [pid 5577] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5587] <... futex resumed>) = 0 [pid 5587] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5584] <... munmap resumed>) = 0 [pid 5577] <... openat resumed>) = 4 [pid 5587] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5577] chdir("." [pid 5587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5577] <... chdir resumed>) = 0 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5577] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5577] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5576] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... mmap resumed>) = 0x7fecab044000 [pid 5576] <... futex resumed>) = 0 [pid 5576] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5584] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5577] <... openat resumed>) = 5 [ 105.630747][ T5581] 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 5587] <... mprotect resumed>) = 0 [pid 5584] <... openat resumed>) = 4 [pid 5577] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] ioctl(4, LOOP_SET_FD, 3 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5576] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5576] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5577] ftruncate(5, 100663296 [pid 5587] 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 5577] <... ftruncate resumed>) = 0 [pid 5587] <... clone3 resumed> => {parent_tid=[5589]}, 88) = 5589 ./strace-static-x86_64: Process 5589 attached [pid 5587] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] <... ioctl resumed>) = 0 [pid 5577] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] <... rseq resumed>) = 0 [pid 5589] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5587] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] close(3 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5589] memfd_create("syzkaller", 0 [pid 5587] <... futex resumed>) = 0 [pid 5584] <... close resumed>) = 0 [pid 5577] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5576] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... memfd_create resumed>) = 3 [pid 5587] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5584] mkdir("./file0", 0777 [pid 5577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5576] <... futex resumed>) = 0 [pid 5589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5584] <... mkdir resumed>) = 0 [pid 5577] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5576] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] <... mmap resumed>) = 0x7feca2c44000 [pid 5584] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5577] <... openat resumed>) = 6 [ 105.685316][ T5584] loop4: detected capacity change from 0 to 8192 [ 105.720713][ T5581] REISERFS (device loop3): checking transaction log (loop3) [pid 5577] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = 0 [pid 5577] <... futex resumed>) = 1 [pid 5576] <... futex resumed>) = 0 [pid 5059] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... umount2 resumed>) = 0 [pid 5576] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5577] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5576] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5577] <... openat resumed>) = 7 [pid 5576] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] newfstatat(AT_FDCWD, "./25/file0", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5577] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] newfstatat(AT_FDCWD, "./26/file0", [pid 5576] <... futex resumed>) = 0 [pid 5059] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5577] <... futex resumed>) = 1 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5576] exit_group(0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5576] <... exit_group resumed>) = ? [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5577] +++ exited with 0 +++ [pid 5589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5581] <... mount resumed>) = 0 [pid 5576] +++ exited with 0 +++ [pid 5059] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... openat resumed>) = 4 [pid 5058] <... openat resumed>) = 4 [pid 5059] newfstatat(4, "", [ 105.759792][ T5584] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 105.780314][ T5581] REISERFS (device loop3): Using r5 hash to sort names [ 105.790374][ T5584] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 105.802624][ T5584] REISERFS (device loop4): using ordered data mode [pid 5058] newfstatat(4, "", [pid 5059] <... 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 5059] getdents64(4, [pid 5058] getdents64(4, [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, [pid 5058] getdents64(4, [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5058] close(4 [pid 5059] <... close resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5059] rmdir("./25/file0" [pid 5058] rmdir("./26/file0" [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5576, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5059] <... rmdir resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5581] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] getdents64(3, [pid 5581] <... openat resumed>) = 3 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] getdents64(3, [pid 5581] chdir("./file0" [pid 5059] close(3 [pid 5581] <... chdir resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5581] ioctl(4, LOOP_CLR_FD [pid 5059] rmdir("./25" [pid 5058] close(3 [pid 5581] <... ioctl resumed>) = 0 [pid 5062] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... rmdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5581] close(4 [pid 5059] mkdir("./26", 0777 [pid 5058] rmdir("./26" [pid 5581] <... close resumed>) = 0 [pid 5581] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... mkdir resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5581] <... futex resumed>) = 1 [pid 5580] <... futex resumed>) = 0 [pid 5580] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5580] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5581] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5581] 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] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5058] mkdir("./27", 0777 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5058] <... mkdir resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5059] close(3 [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 5059] <... close resumed>) = 0 [pid 5058] close(3 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... close resumed>) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5592 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5591 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./25/binderfs") = 0 ./strace-static-x86_64: Process 5592 attached ./strace-static-x86_64: Process 5591 attached [pid 5062] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5591] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5591] chdir("./26") = 0 [pid 5591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5592] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5591] <... prctl resumed>) = 0 [pid 5592] chdir("./27") = 0 [pid 5591] setpgid(0, 0) = 0 [pid 5591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5591] <... openat resumed>) = 3 [pid 5592] <... prctl resumed>) = 0 [pid 5591] write(3, "1000", 4 [pid 5592] setpgid(0, 0 [pid 5591] <... write resumed>) = 4 [pid 5592] <... setpgid resumed>) = 0 [pid 5591] close(3) = 0 [pid 5591] symlink("/dev/binderfs", "./binderfs" [pid 5592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5591] <... symlink resumed>) = 0 [pid 5592] <... openat resumed>) = 3 [pid 5591] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] write(3, "1000", 4 [pid 5591] <... futex resumed>) = 0 [ 105.809690][ T5584] reiserfs: using flush barriers [ 105.817283][ T5584] 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 [ 105.834273][ T5584] REISERFS (device loop4): checking transaction log (loop4) [ 105.836337][ T5581] reiserfs: enabling write barrier flush mode [pid 5592] <... write resumed>) = 4 [pid 5591] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5592] close(3 [pid 5591] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5592] <... close resumed>) = 0 [pid 5592] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5592] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5591] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5593]}, 88) = 5593 ./strace-static-x86_64: Process 5593 attached [pid 5591] rt_sigprocmask(SIG_SETMASK, [], [pid 5593] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5592] <... futex resumed>) = 0 [pid 5591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] <... rseq resumed>) = 0 [pid 5592] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5591] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] set_robust_list(0x7fecab0649a0, 24 [pid 5591] <... futex resumed>) = 0 [pid 5593] <... set_robust_list resumed>) = 0 [pid 5591] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5593] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5593] memfd_create("syzkaller", 0 [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5593] <... memfd_create resumed>) = 3 [pid 5592] <... mmap resumed>) = 0x7fecab044000 [pid 5593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5592] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5593] <... mmap resumed>) = 0x7feca2c44000 [pid 5592] <... mprotect resumed>) = 0 [pid 5592] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5584] <... mount resumed>) = 0 [pid 5581] <... mount resumed>) = 0 [pid 5592] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5584] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5592] 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 5594 attached [pid 5584] <... openat resumed>) = 3 [pid 5581] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5594] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5592] <... clone3 resumed> => {parent_tid=[5594]}, 88) = 5594 [pid 5584] chdir("./file0" [pid 5581] <... openat resumed>) = 4 [pid 5594] <... rseq resumed>) = 0 [pid 5592] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] <... chdir resumed>) = 0 [pid 5581] chdir("." [pid 5594] set_robust_list(0x7fecab0649a0, 24 [pid 5592] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5584] ioctl(4, LOOP_CLR_FD [pid 5581] <... chdir resumed>) = 0 [pid 5594] <... set_robust_list resumed>) = 0 [pid 5592] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] <... ioctl resumed>) = 0 [pid 5581] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] rt_sigprocmask(SIG_SETMASK, [], [pid 5592] <... futex resumed>) = 0 [pid 5584] close(4 [pid 5581] <... futex resumed>) = 1 [pid 5580] <... futex resumed>) = 0 [pid 5594] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5592] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5584] <... close resumed>) = 0 [pid 5581] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [ 105.895308][ T5581] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 105.915938][ T5584] REISERFS (device loop4): Using r5 hash to sort names [pid 5580] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] memfd_create("syzkaller", 0 [pid 5584] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5581] <... openat resumed>) = 5 [pid 5580] <... futex resumed>) = 0 [pid 5594] <... memfd_create resumed>) = 3 [pid 5584] <... futex resumed>) = 1 [pid 5583] <... futex resumed>) = 0 [pid 5580] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5584] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5583] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5594] <... mmap resumed>) = 0x7feca2c44000 [pid 5589] <... write resumed>) = 4194304 [pid 5584] mkdir(".", 0777 [pid 5581] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 5584] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5581] <... futex resumed>) = 1 [pid 5580] <... futex resumed>) = 0 [pid 5581] ftruncate(5, 100663296 [pid 5580] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5580] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] 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 5589] munmap(0x7feca2c44000, 138412032) = 0 [pid 5062] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5589] ioctl(4, LOOP_SET_FD, 3 [pid 5062] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5589] <... ioctl resumed>) = 0 [pid 5581] <... ftruncate resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5581] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 5589] close(3 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5589] <... close resumed>) = 0 [pid 5062] getdents64(4, [pid 5589] mkdir("./file0", 0777 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5589] <... mkdir resumed>) = 0 [pid 5581] <... futex resumed>) = 1 [pid 5580] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5581] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5580] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5589] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5580] <... futex resumed>) = 0 [pid 5580] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] rmdir("./25/file0") = 0 [ 105.997764][ T5584] reiserfs: enabling write barrier flush mode [ 106.026363][ T5589] loop0: detected capacity change from 0 to 8192 [pid 5581] <... openat resumed>) = 6 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./25") = 0 [pid 5062] mkdir("./26", 0777 [pid 5580] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5580] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5580] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5580] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5580] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... mkdir resumed>) = 0 [pid 5580] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5580] 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=[5596]}, 88) = 5596 [pid 5584] <... mount resumed>) = 0 [pid 5581] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5580] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5581] <... futex resumed>) = 0 [pid 5580] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5596 attached [pid 5584] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5581] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5580] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... openat resumed>) = 3 [pid 5596] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5584] <... openat resumed>) = 4 [pid 5580] <... futex resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5596] <... rseq resumed>) = 0 [pid 5584] chdir("." [pid 5580] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] set_robust_list(0x7fecab0439a0, 24 [pid 5594] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5584] <... chdir resumed>) = 0 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 106.055518][ T5589] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 106.074789][ T5584] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 106.084923][ T5589] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5596] <... set_robust_list resumed>) = 0 [pid 5584] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5584] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5597 attached [pid 5583] <... futex resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5597 [pid 5583] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5583] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] rt_sigprocmask(SIG_SETMASK, [], [pid 5584] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5597] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5584] <... openat resumed>) = 5 [pid 5597] chdir("./26" [pid 5584] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5583] <... futex resumed>) = 0 [pid 5596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5584] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5583] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5596] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] <... futex resumed>) = 0 [pid 5596] <... openat resumed>) = 7 [pid 5584] ftruncate(5, 100663296 [pid 5583] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5596] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5580] <... futex resumed>) = 0 [pid 5596] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] <... chdir resumed>) = 0 [pid 5580] exit_group(0 [pid 5597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5596] <... futex resumed>) = ? [pid 5581] <... futex resumed>) = ? [pid 5580] <... exit_group resumed>) = ? [pid 5597] <... prctl resumed>) = 0 [pid 5596] +++ exited with 0 +++ [ 106.103672][ T5589] REISERFS (device loop0): using ordered data mode [pid 5593] <... write resumed>) = 4194304 [pid 5597] setpgid(0, 0 [pid 5581] +++ exited with 0 +++ [pid 5580] +++ exited with 0 +++ [pid 5593] munmap(0x7feca2c44000, 138412032) = 0 [pid 5597] <... setpgid resumed>) = 0 [pid 5593] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5580, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5593] <... openat resumed>) = 4 [pid 5593] ioctl(4, LOOP_SET_FD, 3 [pid 5597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5584] <... ftruncate resumed>) = 0 [pid 5593] <... ioctl resumed>) = 0 [pid 5597] <... openat resumed>) = 3 [pid 5584] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5589] <... mount resumed>) = 0 [pid 5597] write(3, "1000", 4 [pid 5589] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5584] <... futex resumed>) = 0 [pid 5583] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5597] <... write resumed>) = 4 [pid 5593] close(3 [pid 5589] <... openat resumed>) = 3 [pid 5584] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5583] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5597] close(3 [pid 5593] <... close resumed>) = 0 [pid 5589] chdir("./file0" [pid 5597] <... close resumed>) = 0 [pid 5593] mkdir("./file0", 0777 [pid 5060] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5597] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5593] <... mkdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5597] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5597] <... futex resumed>) = 0 [pid 5589] <... chdir resumed>) = 0 [pid 5060] getdents64(3, [pid 5593] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5597] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5597] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5589] ioctl(4, LOOP_CLR_FD [pid 5583] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 106.146609][ T5589] reiserfs: using flush barriers [ 106.154155][ T5589] 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 [ 106.173406][ T5593] loop2: detected capacity change from 0 to 8192 [ 106.176190][ T5589] REISERFS (device loop0): checking transaction log (loop0) [ 106.189764][ T5589] REISERFS (device loop0): Using r5 hash to sort names [pid 5597] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5589] <... ioctl resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5594] <... write resumed>) = 4194304 [pid 5597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5589] close(4 [pid 5584] <... openat resumed>) = 6 [pid 5060] newfstatat(AT_FDCWD, "./25/binderfs", [pid 5597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5594] munmap(0x7feca2c44000, 138412032 [pid 5584] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... close resumed>) = 0 [pid 5584] <... futex resumed>) = 1 [pid 5589] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5584] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5589] <... futex resumed>) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5597] <... mmap resumed>) = 0x7fecab044000 [pid 5594] <... munmap resumed>) = 0 [pid 5589] mkdir(".", 0777 [pid 5587] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... futex resumed>) = 0 [pid 5597] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5589] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5587] <... futex resumed>) = 0 [pid 5583] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5597] <... mprotect resumed>) = 0 [pid 5589] 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 5587] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5584] <... futex resumed>) = 0 [pid 5583] <... futex resumed>) = 1 [pid 5594] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5584] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5594] <... openat resumed>) = 4 [pid 5060] unlink("./25/binderfs" [ 106.216740][ T5593] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 106.230103][ T5593] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 106.239922][ T5593] REISERFS (device loop2): using ordered data mode [ 106.246915][ T5593] reiserfs: using flush barriers [ 106.252888][ T5589] reiserfs: enabling write barrier flush mode [ 106.260570][ T5594] loop1: detected capacity change from 0 to 8192 [pid 5594] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... unlink resumed>) = 0 [pid 5597] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5584] <... openat resumed>) = 7 [pid 5583] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5594] <... ioctl resumed>) = 0 [pid 5594] close(3) = 0 [pid 5594] mkdir("./file0", 0777) = 0 [pid 5594] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5597] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5584] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5583] exit_group(0 [pid 5597] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5583] <... exit_group resumed>) = ? [pid 5584] <... futex resumed>) = ? [pid 5584] +++ exited with 0 +++ [pid 5597] <... clone3 resumed> => {parent_tid=[5600]}, 88) = 5600 [ 106.267133][ T5593] 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 [ 106.280733][ T5589] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 106.289829][ T5593] REISERFS (device loop2): checking transaction log (loop2) [pid 5597] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5600 attached NULL, 8) = 0 [pid 5589] <... mount resumed>) = 0 [pid 5583] +++ exited with 0 +++ [pid 5597] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5600] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5597] <... futex resumed>) = 0 [pid 5600] <... rseq resumed>) = 0 [pid 5597] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5600] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5589] <... openat resumed>) = 4 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5583, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5600] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5600] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5600] memfd_create("syzkaller", 0 [pid 5061] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] newfstatat(3, "", [pid 5589] chdir(".") = 0 [pid 5600] <... memfd_create resumed>) = 3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5589] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./26/binderfs" [pid 5589] <... futex resumed>) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5589] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5587] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5587] <... futex resumed>) = 0 [pid 5587] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... unlink resumed>) = 0 [pid 5061] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5589] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5589] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5587] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5589] ftruncate(5, 100663296 [pid 5587] <... futex resumed>) = 0 [ 106.305445][ T5594] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 106.332631][ T5594] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 106.373506][ T5594] REISERFS (device loop1): using ordered data mode [ 106.374320][ T5593] REISERFS (device loop2): Using r5 hash to sort names [ 106.380705][ T5594] reiserfs: using flush barriers [pid 5587] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5589] <... ftruncate resumed>) = 0 [pid 5589] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5587] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5587] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5589] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 6 [pid 5600] <... write resumed>) = 4194304 [ 106.412228][ T5594] 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 5600] munmap(0x7feca2c44000, 138412032 [pid 5593] <... mount resumed>) = 0 [pid 5593] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5593] chdir("./file0") = 0 [pid 5593] ioctl(4, LOOP_CLR_FD) = 0 [pid 5593] close(4) = 0 [pid 5593] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5589] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... munmap resumed>) = 0 [pid 5593] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5600] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5591] <... futex resumed>) = 0 [pid 5587] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... openat resumed>) = 4 [pid 5600] ioctl(4, LOOP_SET_FD, 3 [pid 5593] mkdir(".", 0777 [pid 5591] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5587] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5593] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5587] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5593] 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 5600] <... ioctl resumed>) = 0 [pid 5061] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5589] <... futex resumed>) = 1 [pid 5061] newfstatat(AT_FDCWD, "./26/file0", [pid 5589] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5587] <... futex resumed>) = 0 [pid 5589] <... openat resumed>) = 7 [pid 5587] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=35000000} [pid 5589] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5587] exit_group(0) = ? [pid 5600] close(3 [pid 5589] +++ exited with 0 +++ [pid 5587] +++ exited with 0 +++ [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5600] <... close resumed>) = 0 [pid 5600] mkdir("./file0", 0777 [pid 5061] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5587, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5061] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] restart_syscall(<... resuming interrupted clone ...> [pid 5061] <... openat resumed>) = 4 [pid 5057] <... restart_syscall resumed>) = 0 [pid 5600] <... mkdir resumed>) = 0 [pid 5061] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, [pid 5057] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5594] <... mount resumed>) = 0 [pid 5061] getdents64(4, [pid 5057] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] newfstatat(3, "", [ 106.492472][ T5594] REISERFS (device loop1): checking transaction log (loop1) [ 106.504294][ T5600] loop5: detected capacity change from 0 to 8192 [ 106.506721][ T5593] reiserfs: enabling write barrier flush mode [ 106.518592][ T5594] REISERFS (device loop1): Using r5 hash to sort names [pid 5061] close(4 [pid 5600] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5594] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] <... close resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] rmdir("./26/file0" [pid 5057] getdents64(3, [pid 5594] <... openat resumed>) = 3 [pid 5061] <... rmdir resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5594] chdir("./file0" [pid 5061] getdents64(3, [pid 5057] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(3 [pid 5594] <... chdir resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5594] ioctl(4, LOOP_CLR_FD [pid 5061] <... close resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] rmdir("./26" [pid 5594] <... ioctl resumed>) = 0 [pid 5593] <... mount resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5594] close(4 [pid 5593] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5061] <... rmdir resumed>) = 0 [pid 5060] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] unlink("./26/binderfs" [pid 5593] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5593] chdir(".") = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5594] <... close resumed>) = 0 [pid 5593] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] mkdir("./27", 0777 [pid 5060] newfstatat(AT_FDCWD, "./25/file0", [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5591] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5591] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5593] <... openat resumed>) = 5 [ 106.542619][ T5593] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 106.567429][ T5600] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5060] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5594] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5594] <... futex resumed>) = 1 [pid 5593] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5593] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5591] <... futex resumed>) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5591] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5594] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] <... futex resumed>) = 0 [pid 5592] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] <... futex resumed>) = 1 [pid 5061] close(3 [pid 5060] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5593] ftruncate(5, 100663296 [pid 5592] <... futex resumed>) = 0 [pid 5591] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... openat resumed>) = 4 [pid 5594] mkdir(".", 0777 [pid 5592] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... close resumed>) = 0 [pid 5060] newfstatat(4, "", [pid 5594] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5594] 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 5593] <... ftruncate resumed>) = 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("./25/file0") = 0 [pid 5060] getdents64(3, ./strace-static-x86_64: Process 5603 attached 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3 [pid 5603] set_robust_list(0x55555568a6a0, 24 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5603 [pid 5060] <... close resumed>) = 0 [pid 5060] rmdir("./25" [pid 5593] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... rmdir resumed>) = 0 [pid 5060] mkdir("./26", 0777 [pid 5603] <... set_robust_list resumed>) = 0 [pid 5593] <... futex resumed>) = 0 [pid 5591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5060] <... mkdir resumed>) = 0 [pid 5603] chdir("./27" [pid 5593] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5591] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 106.587200][ T5600] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 106.604614][ T5600] REISERFS (device loop5): using ordered data mode [ 106.611236][ T5600] reiserfs: using flush barriers [ 106.619895][ T5594] reiserfs: enabling write barrier flush mode [ 106.622971][ T5600] 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 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5603] <... chdir resumed>) = 0 [pid 5591] <... futex resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] close(3 [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5593] <... openat resumed>) = 6 [pid 5591] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... close resumed>) = 0 [pid 5057] <... umount2 resumed>) = 0 [pid 5603] <... prctl resumed>) = 0 [pid 5593] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] setpgid(0, 0 [pid 5594] <... mount resumed>) = 0 [pid 5600] <... mount resumed>) = 0 [pid 5593] <... futex resumed>) = 1 [pid 5591] <... futex resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5603] <... setpgid resumed>) = 0 [pid 5594] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5593] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5591] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5600] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5594] <... openat resumed>) = 4 [pid 5593] <... openat resumed>) = 7 [pid 5591] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5603] <... openat resumed>) = 3 [pid 5600] <... openat resumed>) = 3 [pid 5594] chdir("." [pid 5591] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5603] write(3, "1000", 4 [pid 5600] chdir("./file0" [pid 5594] <... chdir resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./26/file0", [pid 5603] <... write resumed>) = 4 [pid 5600] <... chdir resumed>) = 0 [pid 5594] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5593] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5604 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5603] close(3 [pid 5594] <... futex resumed>) = 1 [pid 5593] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5591] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5604 attached [pid 5603] <... close resumed>) = 0 [pid 5600] ioctl(4, LOOP_CLR_FD [pid 5594] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5591] exit_group(0 [pid 5057] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5604] set_robust_list(0x55555568a6a0, 24 [pid 5603] symlink("/dev/binderfs", "./binderfs" [pid 5600] <... ioctl resumed>) = 0 [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5593] <... futex resumed>) = ? [pid 5592] <... futex resumed>) = 0 [pid 5591] <... exit_group resumed>) = ? [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5604] <... set_robust_list resumed>) = 0 [pid 5603] <... symlink resumed>) = 0 [pid 5600] close(4 [pid 5594] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5593] +++ exited with 0 +++ [pid 5592] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5591] +++ exited with 0 +++ [pid 5057] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5604] chdir("./26" [pid 5603] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... close resumed>) = 0 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5591, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5594] <... openat resumed>) = 5 [pid 5057] <... openat resumed>) = 4 [pid 5604] <... chdir resumed>) = 0 [pid 5603] <... futex resumed>) = 0 [pid 5600] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] restart_syscall(<... resuming interrupted clone ...> [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL [ 106.658053][ T5600] REISERFS (device loop5): checking transaction log (loop5) [ 106.669961][ T5594] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 106.681373][ T5600] REISERFS (device loop5): Using r5 hash to sort names [pid 5603] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5600] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5059] <... restart_syscall resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5604] <... prctl resumed>) = 0 [pid 5603] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5600] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] setpgid(0, 0 [pid 5603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5597] <... futex resumed>) = 0 [pid 5594] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5604] <... setpgid resumed>) = 0 [pid 5603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5600] mkdir(".", 0777 [pid 5597] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5592] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5600] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5592] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] getdents64(4, [pid 5604] <... openat resumed>) = 3 [pid 5603] <... mmap resumed>) = 0x7fecab044000 [pid 5600] 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 5594] ftruncate(5, 100663296 [pid 5592] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] write(3, "1000", 4 [pid 5603] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5059] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5603] <... mprotect resumed>) = 0 [pid 5604] <... write resumed>) = 4 [pid 5603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] <... openat resumed>) = 3 [pid 5057] getdents64(4, [pid 5603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] newfstatat(3, "", [pid 5603] 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] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] close(4 [pid 5604] close(3 [pid 5059] getdents64(3, [pid 5057] <... close resumed>) = 0 [pid 5604] <... close resumed>) = 0 [pid 5057] rmdir("./26/file0" [pid 5604] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... rmdir resumed>) = 0 [pid 5057] getdents64(3, [pid 5059] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3./strace-static-x86_64: Process 5605 attached [pid 5604] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... close resumed>) = 0 [pid 5605] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5603] <... clone3 resumed> => {parent_tid=[5605]}, 88) = 5605 [pid 5059] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5057] rmdir("./26" [pid 5605] <... rseq resumed>) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5605] set_robust_list(0x7fecab0649a0, 24 [pid 5603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] mkdir("./27", 0777 [pid 5605] <... set_robust_list resumed>) = 0 [pid 5603] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] unlink("./26/binderfs" [pid 5057] <... mkdir resumed>) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [], [pid 5603] <... futex resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5603] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] <... unlink resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5605] memfd_create("syzkaller", 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5605] <... memfd_create resumed>) = 3 [pid 5059] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5594] <... ftruncate resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5604] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5057] close(3 [pid 5604] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5057] <... close resumed>) = 0 [pid 5604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5606 attached , child_tidptr=0x55555568a690) = 5606 [pid 5606] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5606] chdir("./27") = 0 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5606] setpgid(0, 0) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5606] write(3, "1000", 4) = 4 [pid 5604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5594] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] close(3 [pid 5604] <... mmap resumed>) = 0x7fecab044000 [pid 5592] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... close resumed>) = 0 [pid 5606] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5604] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5592] <... futex resumed>) = 0 [pid 5606] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5604] <... mprotect resumed>) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5606] 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 5604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5594] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5594] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5592] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5606] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5604] 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 5606] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5604] <... clone3 resumed> => {parent_tid=[5607]}, 88) = 5607 [ 106.755853][ T5600] reiserfs: enabling write barrier flush mode [ 106.782124][ T5600] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. ./strace-static-x86_64: Process 5607 attached [pid 5606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5607] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5606] <... clone3 resumed> => {parent_tid=[5608]}, 88) = 5608 [pid 5607] set_robust_list(0x7fecab0649a0, 24 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], [pid 5607] <... set_robust_list resumed>) = 0 [pid 5606] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5608 attached [pid 5607] rt_sigprocmask(SIG_SETMASK, [], [pid 5606] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5606] <... futex resumed>) = 0 [pid 5608] <... rseq resumed>) = 0 [pid 5607] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5608] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5608] rt_sigprocmask(SIG_SETMASK, [], [pid 5594] <... openat resumed>) = 6 [pid 5604] rt_sigprocmask(SIG_SETMASK, [], [pid 5608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5600] <... mount resumed>) = 0 [pid 5608] memfd_create("syzkaller", 0 [pid 5604] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... memfd_create resumed>) = 3 [pid 5600] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5607] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 1 [pid 5600] <... openat resumed>) = 4 [pid 5607] memfd_create("syzkaller", 0 [pid 5604] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5600] chdir(".") = 0 [pid 5594] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] <... futex resumed>) = 1 [pid 5592] <... futex resumed>) = 0 [pid 5600] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5594] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5592] <... futex resumed>) = 0 [pid 5607] <... memfd_create resumed>) = 3 [pid 5597] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5594] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5592] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5597] <... futex resumed>) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5597] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] <... openat resumed>) = 7 [pid 5600] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5594] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5600] <... openat resumed>) = 5 [pid 5607] <... mmap resumed>) = 0x7feca2c44000 [pid 5594] <... futex resumed>) = 1 [pid 5594] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5592] <... futex resumed>) = 0 [pid 5600] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5600] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5592] exit_group(0 [pid 5605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5600] <... futex resumed>) = 0 [pid 5597] <... futex resumed>) = 1 [pid 5600] ftruncate(5, 100663296 [pid 5594] <... futex resumed>) = ? [pid 5592] <... exit_group resumed>) = ? [pid 5597] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5594] +++ exited with 0 +++ [pid 5600] <... ftruncate resumed>) = 0 [pid 5592] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5592, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5058] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./27", 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 5600] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5600] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5597] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5597] <... futex resumed>) = 0 [pid 5597] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5600] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5059] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] unlink("./27/binderfs" [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... unlink resumed>) = 0 [pid 5058] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] newfstatat(AT_FDCWD, "./26/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./26/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 5608] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5059] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5607] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5600] <... openat resumed>) = 6 [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./26/file0" [pid 5600] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... rmdir resumed>) = 0 [pid 5600] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5059] getdents64(3, [pid 5600] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5597] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5597] <... futex resumed>) = 0 [pid 5597] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] close(3) = 0 [pid 5059] rmdir("./26") = 0 [pid 5600] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5059] mkdir("./27", 0777) = 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 5600] <... openat resumed>) = 7 [pid 5059] close(3 [pid 5600] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... close resumed>) = 0 [pid 5600] <... futex resumed>) = 1 [pid 5597] <... futex resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5600] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5609 attached [pid 5597] exit_group(0 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5609 [pid 5600] <... futex resumed>) = ? [pid 5597] <... exit_group resumed>) = ? [pid 5600] +++ exited with 0 +++ [pid 5597] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5597, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5609] set_robust_list(0x55555568a6a0, 24 [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5609] <... set_robust_list resumed>) = 0 [pid 5609] chdir("./27") = 0 [pid 5062] <... restart_syscall resumed>) = 0 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5609] setpgid(0, 0 [pid 5062] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5609] <... setpgid resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] newfstatat(3, "", [pid 5609] <... openat resumed>) = 3 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5609] write(3, "1000", 4) = 4 [pid 5062] getdents64(3, [pid 5609] close(3 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5609] <... close resumed>) = 0 [pid 5062] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5609] symlink("/dev/binderfs", "./binderfs" [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5609] <... symlink resumed>) = 0 [pid 5607] <... write resumed>) = 4194304 [pid 5062] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5609] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] munmap(0x7feca2c44000, 138412032 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5609] <... futex resumed>) = 0 [pid 5605] <... write resumed>) = 4194304 [pid 5062] unlink("./26/binderfs" [pid 5609] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5605] munmap(0x7feca2c44000, 138412032 [pid 5062] <... unlink resumed>) = 0 [pid 5609] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5605] <... munmap resumed>) = 0 [pid 5062] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5607] <... munmap resumed>) = 0 [pid 5609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5607] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5607] <... openat resumed>) = 4 [pid 5058] <... umount2 resumed>) = 0 [pid 5609] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5607] ioctl(4, LOOP_SET_FD, 3 [pid 5058] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5609] <... mprotect resumed>) = 0 [pid 5605] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5058] newfstatat(AT_FDCWD, "./27/file0", [pid 5605] <... openat resumed>) = 4 [pid 5605] ioctl(4, LOOP_SET_FD, 3 [pid 5609] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5607] <... ioctl resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5609] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5607] close(3 [pid 5058] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5607] <... close resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5607] mkdir("./file0", 0777 [pid 5058] <... openat resumed>) = 4 [pid 5058] newfstatat(4, "", [pid 5609] <... clone3 resumed> => {parent_tid=[5610]}, 88) = 5610 [pid 5609] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] getdents64(4, [pid 5609] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5607] <... mkdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5609] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5607] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5608] <... write resumed>) = 4194304 [pid 5058] getdents64(4, ./strace-static-x86_64: Process 5610 attached [pid 5610] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5610] <... rseq resumed>) = 0 [pid 5058] close(4 [pid 5610] set_robust_list(0x7fecab0649a0, 24 [pid 5058] <... close resumed>) = 0 [pid 5610] <... set_robust_list resumed>) = 0 [pid 5610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5610] memfd_create("syzkaller", 0 [pid 5608] munmap(0x7feca2c44000, 138412032 [pid 5610] <... memfd_create resumed>) = 3 [pid 5608] <... munmap resumed>) = 0 [pid 5610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5608] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5610] <... mmap resumed>) = 0x7feca2c44000 [pid 5608] <... openat resumed>) = 4 [pid 5608] ioctl(4, LOOP_SET_FD, 3 [pid 5058] rmdir("./27/file0") = 0 [pid 5605] <... ioctl resumed>) = 0 [ 107.105836][ T5607] loop3: detected capacity change from 0 to 8192 [ 107.107510][ T5605] loop4: detected capacity change from 0 to 8192 [ 107.135523][ T5607] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.145211][ T5608] loop0: detected capacity change from 0 to 8192 [pid 5605] close(3) = 0 [pid 5605] mkdir("./file0", 0777 [pid 5058] getdents64(3, [pid 5605] <... mkdir resumed>) = 0 [pid 5605] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5608] <... ioctl resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5058] rmdir("./27" [pid 5608] close(3) = 0 [pid 5608] mkdir("./file0", 0777 [pid 5058] <... rmdir resumed>) = 0 [pid 5608] <... mkdir resumed>) = 0 [pid 5058] mkdir("./28", 0777 [pid 5608] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5062] <... umount2 resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 107.167799][ T5607] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 107.196222][ T5605] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.204600][ T5607] REISERFS (device loop3): using ordered data mode [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) = 5614 [ 107.224511][ T5605] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 107.233886][ T5605] REISERFS (device loop4): using ordered data mode [ 107.241802][ T5608] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.259152][ T5605] reiserfs: using flush barriers [ 107.259155][ T5607] reiserfs: using flush barriers ./strace-static-x86_64: Process 5614 attached [pid 5610] <... write resumed>) = 4194304 [pid 5062] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5614] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5614] chdir("./28" [pid 5610] munmap(0x7feca2c44000, 138412032 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5614] <... chdir resumed>) = 0 [pid 5614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5610] <... munmap resumed>) = 0 [ 107.262360][ T5608] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 107.264311][ T5607] 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 [ 107.269249][ T5608] REISERFS (device loop0): using ordered data mode [ 107.269262][ T5608] reiserfs: using flush barriers [pid 5614] <... prctl resumed>) = 0 [pid 5614] setpgid(0, 0) = 0 [pid 5614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5610] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5062] newfstatat(AT_FDCWD, "./26/file0", [pid 5614] write(3, "1000", 4) = 4 [pid 5614] close(3) = 0 [pid 5614] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5614] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] 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 5614] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5614] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5610] <... openat resumed>) = 4 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5610] ioctl(4, LOOP_SET_FD, 3 [pid 5062] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5614] <... mprotect resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5614] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5610] <... ioctl resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5614] <... rt_sigprocmask resumed>[], 8) = 0 [ 107.312091][ T5608] 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 [ 107.315246][ T5605] 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 [ 107.329379][ T5608] REISERFS (device loop0): checking transaction log (loop0) [ 107.354271][ T5610] loop2: detected capacity change from 0 to 8192 [ 107.356716][ T5608] REISERFS (device loop0): Using r5 hash to sort names [ 107.362556][ T5605] REISERFS (device loop4): checking transaction log (loop4) [pid 5614] 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=[5615]}, 88) = 5615 [pid 5614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5615 attached [pid 5614] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] close(3 [pid 5062] <... openat resumed>) = 4 [pid 5615] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5614] <... futex resumed>) = 0 [pid 5615] <... rseq resumed>) = 0 [pid 5614] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5615] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5615] memfd_create("syzkaller", 0) = 3 [pid 5615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5610] <... close resumed>) = 0 [pid 5605] <... mount resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 5610] mkdir("./file0", 0777 [pid 5605] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5608] <... mount resumed>) = 0 [pid 5062] getdents64(4, [pid 5610] <... mkdir resumed>) = 0 [pid 5608] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5607] <... mount resumed>) = 0 [pid 5605] <... openat resumed>) = 3 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5610] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5608] <... openat resumed>) = 3 [pid 5607] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5605] chdir("./file0" [pid 5062] getdents64(4, [pid 5607] <... openat resumed>) = 3 [ 107.371562][ T5607] REISERFS (device loop3): checking transaction log (loop3) [ 107.377117][ T5605] REISERFS (device loop4): Using r5 hash to sort names [ 107.393579][ T5607] REISERFS (device loop3): Using r5 hash to sort names [pid 5615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5608] chdir("./file0" [pid 5605] <... chdir resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5608] <... chdir resumed>) = 0 [pid 5607] chdir("./file0" [pid 5605] ioctl(4, LOOP_CLR_FD [pid 5062] close(4 [pid 5607] <... chdir resumed>) = 0 [pid 5607] ioctl(4, LOOP_CLR_FD) = 0 [pid 5607] close(4) = 0 [pid 5608] ioctl(4, LOOP_CLR_FD [pid 5605] <... ioctl resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5607] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5607] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] <... futex resumed>) = 0 [pid 5604] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 1 [pid 5607] mkdir(".", 0777 [pid 5604] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5607] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5607] 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 5608] <... ioctl resumed>) = 0 [pid 5605] close(4 [pid 5062] rmdir("./26/file0") = 0 [pid 5605] <... close resumed>) = 0 [pid 5608] close(4 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5608] <... close resumed>) = 0 [pid 5605] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(3) = 0 [pid 5608] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... futex resumed>) = 1 [pid 5062] rmdir("./26" [pid 5608] <... futex resumed>) = 1 [pid 5605] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] <... rmdir resumed>) = 0 [pid 5608] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] mkdir("./27", 0777 [pid 5606] <... futex resumed>) = 0 [pid 5606] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... mkdir resumed>) = 0 [pid 5608] <... futex resumed>) = 0 [pid 5606] <... futex resumed>) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5608] mkdir(".", 0777 [pid 5606] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5603] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5605] <... futex resumed>) = 0 [pid 5608] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5605] mkdir(".", 0777 [ 107.418427][ T5610] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.432703][ T5610] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 107.442507][ T5610] REISERFS (device loop2): using ordered data mode [ 107.448278][ T5607] reiserfs: enabling write barrier flush mode [ 107.450141][ T5610] reiserfs: using flush barriers [pid 5603] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5608] 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 5605] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5605] 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] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5615] <... write resumed>) = 4194304 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5615] munmap(0x7feca2c44000, 138412032 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5617 [ 107.470397][ T5608] reiserfs: enabling write barrier flush mode [ 107.474933][ T5605] reiserfs: enabling write barrier flush mode [ 107.501503][ T5608] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5615] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5617 attached [pid 5617] set_robust_list(0x55555568a6a0, 24 [pid 5615] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5617] <... set_robust_list resumed>) = 0 [pid 5617] chdir("./27" [pid 5615] <... openat resumed>) = 4 [ 107.517240][ T5607] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 107.526710][ T5610] 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 [ 107.558458][ T5605] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5615] ioctl(4, LOOP_SET_FD, 3 [pid 5617] <... chdir resumed>) = 0 [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5617] setpgid(0, 0 [pid 5615] <... ioctl resumed>) = 0 [pid 5617] <... setpgid resumed>) = 0 [pid 5615] close(3) = 0 [pid 5615] mkdir("./file0", 0777 [pid 5608] <... mount resumed>) = 0 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5607] <... mount resumed>) = 0 [pid 5608] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5615] <... mkdir resumed>) = 0 [pid 5608] <... openat resumed>) = 4 [pid 5607] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5617] <... openat resumed>) = 3 [pid 5607] <... openat resumed>) = 4 [pid 5617] write(3, "1000", 4 [pid 5615] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5608] chdir("." [pid 5607] chdir("." [pid 5617] <... write resumed>) = 4 [pid 5608] <... chdir resumed>) = 0 [pid 5607] <... chdir resumed>) = 0 [pid 5608] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] close(3 [pid 5608] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5607] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5617] <... close resumed>) = 0 [pid 5606] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5606] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5608] <... openat resumed>) = 5 [pid 5606] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] symlink("/dev/binderfs", "./binderfs" [pid 5604] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5607] <... openat resumed>) = 5 [pid 5617] <... symlink resumed>) = 0 [pid 5617] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5608] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [ 107.558746][ T5615] loop1: detected capacity change from 0 to 8192 [pid 5607] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5608] <... futex resumed>) = 1 [pid 5607] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5617] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5608] ftruncate(5, 100663296 [pid 5607] ftruncate(5, 100663296 [pid 5606] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5606] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5604] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5617] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5607] <... ftruncate resumed>) = 0 [pid 5617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5618 attached [pid 5618] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5618] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5618] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] <... clone3 resumed> => {parent_tid=[5618]}, 88) = 5618 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], [pid 5605] <... mount resumed>) = 0 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5617] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5617] <... futex resumed>) = 1 [pid 5618] <... futex resumed>) = 0 [pid 5618] memfd_create("syzkaller", 0 [pid 5617] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5605] <... openat resumed>) = 4 [pid 5605] chdir("." [pid 5618] <... memfd_create resumed>) = 3 [pid 5605] <... chdir resumed>) = 0 [pid 5605] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5603] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5603] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... ftruncate resumed>) = 0 [pid 5607] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] <... futex resumed>) = 0 [pid 5618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5608] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... futex resumed>) = 1 [pid 5605] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5604] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 1 [pid 5607] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5606] <... futex resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5618] <... mmap resumed>) = 0x7feca2c44000 [pid 5606] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... openat resumed>) = 5 [pid 5604] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5606] <... futex resumed>) = 0 [pid 5606] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5608] <... openat resumed>) = 6 [ 107.620367][ T5610] REISERFS (device loop2): checking transaction log (loop2) [ 107.636493][ T5615] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 107.661940][ T5610] REISERFS (device loop2): Using r5 hash to sort names [pid 5605] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... openat resumed>) = 6 [pid 5605] <... futex resumed>) = 1 [pid 5603] <... futex resumed>) = 0 [pid 5605] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5608] <... futex resumed>) = 1 [pid 5606] <... futex resumed>) = 0 [pid 5606] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5603] <... futex resumed>) = 0 [pid 5607] <... futex resumed>) = 1 [pid 5608] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5606] <... futex resumed>) = 0 [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5604] <... futex resumed>) = 0 [pid 5606] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5605] ftruncate(5, 100663296 [pid 5604] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... mount resumed>) = 0 [pid 5605] <... ftruncate resumed>) = 0 [pid 5604] <... futex resumed>) = 0 [pid 5604] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5608] <... openat resumed>) = 7 [pid 5603] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] chdir("./file0" [pid 5607] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5610] <... chdir resumed>) = 0 [pid 5610] ioctl(4, LOOP_CLR_FD) = 0 [pid 5607] <... openat resumed>) = 7 [pid 5610] close(4 [pid 5608] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5604] <... futex resumed>) = 0 [pid 5618] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5610] <... close resumed>) = 0 [pid 5608] <... futex resumed>) = 1 [pid 5607] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5606] <... futex resumed>) = 0 [pid 5605] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5604] exit_group(0 [pid 5610] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5607] <... futex resumed>) = ? [pid 5606] exit_group(0 [pid 5605] <... futex resumed>) = 1 [pid 5604] <... exit_group resumed>) = ? [pid 5603] <... futex resumed>) = 0 [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5607] +++ exited with 0 +++ [pid 5606] <... exit_group resumed>) = ? [pid 5605] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5604] +++ exited with 0 +++ [pid 5603] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5605] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5603] <... futex resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5604, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5603] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = 0 [pid 5609] <... futex resumed>) = 1 [ 107.673272][ T5615] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 107.699712][ T5615] REISERFS (device loop1): using ordered data mode [ 107.706700][ T5615] reiserfs: using flush barriers [pid 5610] mkdir(".", 0777 [pid 5609] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5608] +++ exited with 0 +++ [pid 5606] +++ exited with 0 +++ [pid 5605] <... openat resumed>) = 6 [pid 5610] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5610] 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("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5605] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5605] <... futex resumed>) = 1 [pid 5605] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5603] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... openat resumed>) = 3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5603] <... futex resumed>) = 0 [pid 5060] newfstatat(3, "", [pid 5057] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5603] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5060] getdents64(3, [pid 5057] newfstatat(3, "", [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] getdents64(3, [pid 5605] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5060] newfstatat(AT_FDCWD, "./26/binderfs", [pid 5057] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5605] <... openat resumed>) = 7 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5605] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5603] <... futex resumed>) = 0 [ 107.723735][ T5615] 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 [ 107.745819][ T5615] REISERFS (device loop1): checking transaction log (loop1) [ 107.754180][ T5610] reiserfs: enabling write barrier flush mode [ 107.765749][ T5615] REISERFS (device loop1): Using r5 hash to sort names [pid 5605] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5603] exit_group(0) = ? [pid 5605] <... futex resumed>) = ? [pid 5605] +++ exited with 0 +++ [pid 5603] +++ exited with 0 +++ [pid 5060] unlink("./26/binderfs" [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5603, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5615] <... mount resumed>) = 0 [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5060] <... unlink resumed>) = 0 [pid 5610] <... mount resumed>) = 0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 5615] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5061] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5615] <... openat resumed>) = 3 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5615] chdir("./file0" [pid 5061] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5615] <... chdir resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5061] newfstatat(3, "", [pid 5615] ioctl(4, LOOP_CLR_FD) = 0 [pid 5060] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5615] close(4) = 0 [pid 5615] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5615] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5614] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] unlink("./27/binderfs" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5615] <... futex resumed>) = 0 [pid 5614] <... futex resumed>) = 1 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5061] unlink("./27/binderfs" [pid 5618] <... write resumed>) = 4194304 [pid 5615] mkdir(".", 0777 [pid 5614] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5610] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5057] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5618] munmap(0x7feca2c44000, 138412032 [pid 5615] <... mkdir resumed>) = -1 EEXIST (File exists) [ 107.794858][ T5610] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5610] <... openat resumed>) = 4 [pid 5061] <... unlink resumed>) = 0 [pid 5615] 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 5618] <... munmap resumed>) = 0 [pid 5610] chdir("." [pid 5061] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5618] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5610] <... chdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5610] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5610] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 107.851055][ T5615] reiserfs: enabling write barrier flush mode [pid 5060] newfstatat(AT_FDCWD, "./26/file0", [pid 5618] <... openat resumed>) = 4 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5609] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] 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 5618] ioctl(4, LOOP_SET_FD, 3 [pid 5060] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5060] newfstatat(4, "", [pid 5610] <... openat resumed>) = 5 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] getdents64(4, [pid 5610] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5610] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] close(4 [pid 5610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5609] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5610] ftruncate(5, 100663296 [pid 5609] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] rmdir("./26/file0") = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3) = 0 [pid 5060] rmdir("./26") = 0 [pid 5060] mkdir("./27", 0777 [pid 5057] <... umount2 resumed>) = 0 [pid 5057] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./27/file0", [pid 5618] <... ioctl resumed>) = 0 [pid 5615] <... mount resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5618] close(3 [pid 5615] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5060] <... openat resumed>) = 3 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 107.896510][ T5618] loop5: detected capacity change from 0 to 8192 [ 107.910112][ T5615] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5618] <... close resumed>) = 0 [pid 5615] <... openat resumed>) = 4 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5057] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5618] mkdir("./file0", 0777 [pid 5615] chdir("." [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5618] <... mkdir resumed>) = 0 [pid 5610] <... ftruncate resumed>) = 0 [pid 5610] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] close(3 [pid 5610] <... futex resumed>) = 1 [pid 5615] <... chdir resumed>) = 0 [pid 5609] <... futex resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5618] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5057] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5610] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5609] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5622 attached [pid 5615] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5609] <... futex resumed>) = 0 [pid 5057] <... openat resumed>) = 4 [pid 5615] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5057] newfstatat(4, "", [pid 5615] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5615] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5614] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5057] getdents64(4, [pid 5615] <... openat resumed>) = 5 [pid 5610] <... openat resumed>) = 6 [pid 5609] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5622 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5622] set_robust_list(0x55555568a6a0, 24 [pid 5057] getdents64(4, [pid 5622] <... set_robust_list resumed>) = 0 [pid 5622] chdir("./27" [pid 5615] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5622] <... chdir resumed>) = 0 [pid 5615] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5615] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] close(4 [pid 5622] <... prctl resumed>) = 0 [pid 5614] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... close resumed>) = 0 [ 107.981309][ T5618] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 108.004960][ T5618] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 108.015519][ T5618] REISERFS (device loop5): using ordered data mode [ 108.022072][ T5618] reiserfs: using flush barriers [pid 5622] setpgid(0, 0 [pid 5615] <... futex resumed>) = 0 [pid 5614] <... futex resumed>) = 1 [pid 5057] rmdir("./27/file0" [pid 5622] <... setpgid resumed>) = 0 [pid 5615] ftruncate(5, 100663296 [pid 5614] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... rmdir resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5622] write(3, "1000", 4 [pid 5057] getdents64(3, [pid 5622] <... write resumed>) = 4 [pid 5610] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] close(3 [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5622] <... close resumed>) = 0 [pid 5610] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5609] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] close(3 [pid 5622] symlink("/dev/binderfs", "./binderfs" [pid 5610] <... openat resumed>) = 7 [pid 5609] <... futex resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5622] <... symlink resumed>) = 0 [pid 5609] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] rmdir("./27" [pid 5622] <... futex resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5622] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5615] <... ftruncate resumed>) = 0 [pid 5057] mkdir("./28", 0777 [pid 5622] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5610] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = 0 [pid 5061] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./27/file0", [pid 5622] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5618] <... mount resumed>) = 0 [pid 5615] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5615] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5610] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5609] exit_group(0 [pid 5622] <... mmap resumed>) = 0x7fecab044000 [pid 5615] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5610] <... futex resumed>) = ? [pid 5609] <... exit_group resumed>) = ? [pid 5622] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5618] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5614] <... futex resumed>) = 0 [pid 5610] +++ exited with 0 +++ [pid 5061] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5622] <... mprotect resumed>) = 0 [pid 5618] <... openat resumed>) = 3 [pid 5615] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5614] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5609] +++ exited with 0 +++ [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... openat resumed>) = 3 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5618] chdir("./file0" [pid 5061] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5609, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5622] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5618] <... chdir resumed>) = 0 [pid 5061] <... openat resumed>) = 4 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] 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 5618] ioctl(4, LOOP_CLR_FD [pid 5061] newfstatat(4, "", [pid 5057] close(3 [pid 5618] <... ioctl resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... close resumed>) = 0 ./strace-static-x86_64: Process 5623 attached [pid 5622] <... clone3 resumed> => {parent_tid=[5623]}, 88) = 5623 [pid 5618] close(4 [pid 5615] <... openat resumed>) = 6 [pid 5061] getdents64(4, [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5618] <... close resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5618] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(4, [pid 5059] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5624 attached [pid 5618] <... futex resumed>) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] newfstatat(3, "", [pid 5624] set_robust_list(0x55555568a6a0, 24 [pid 5618] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] close(4 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5624 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5623] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5059] getdents64(3, [pid 5624] chdir("./28" [pid 5623] <... rseq resumed>) = 0 [pid 5622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5618] mkdir(".", 0777 [pid 5617] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5615] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] rmdir("./27/file0" [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5624] <... chdir resumed>) = 0 [pid 5623] set_robust_list(0x7fecab0649a0, 24 [pid 5622] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5615] <... futex resumed>) = 1 [pid 5614] <... futex resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [ 108.034440][ T5618] 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 [ 108.053314][ T5618] REISERFS (device loop5): checking transaction log (loop5) [ 108.075738][ T5618] REISERFS (device loop5): Using r5 hash to sort names [pid 5059] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5623] <... set_robust_list resumed>) = 0 [pid 5622] <... futex resumed>) = 0 [pid 5618] 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 5615] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5614] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] rt_sigprocmask(SIG_SETMASK, [], [pid 5622] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5624] <... prctl resumed>) = 0 [pid 5623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5615] <... openat resumed>) = 7 [pid 5614] <... futex resumed>) = 0 [pid 5061] getdents64(3, [pid 5059] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5623] memfd_create("syzkaller", 0 [pid 5615] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5614] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] <... memfd_create resumed>) = 3 [pid 5615] <... futex resumed>) = 0 [pid 5614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5059] unlink("./27/binderfs" [pid 5623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5615] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5614] exit_group(0 [pid 5059] <... unlink resumed>) = 0 [pid 5624] setpgid(0, 0 [pid 5623] <... mmap resumed>) = 0x7feca2c44000 [pid 5615] <... futex resumed>) = ? [pid 5614] <... exit_group resumed>) = ? [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5624] <... setpgid resumed>) = 0 [pid 5615] +++ exited with 0 +++ [pid 5614] +++ exited with 0 +++ [pid 5061] close(3 [pid 5059] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... close resumed>) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5614, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5624] <... openat resumed>) = 3 [pid 5061] rmdir("./27" [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5624] write(3, "1000", 4) = 4 [pid 5061] <... rmdir resumed>) = 0 [pid 5058] <... restart_syscall resumed>) = 0 [pid 5624] close(3 [pid 5061] mkdir("./28", 0777 [pid 5624] <... close resumed>) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5624] symlink("/dev/binderfs", "./binderfs" [pid 5058] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] <... symlink resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5058] <... openat resumed>) = 3 [pid 5061] <... openat resumed>) = 3 [pid 5058] newfstatat(3, "", [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] close(3 [pid 5058] getdents64(3, [pid 5061] <... close resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5624] <... futex resumed>) = 0 [ 108.113222][ T5618] reiserfs: enabling write barrier flush mode [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] unlink("./28/binderfs" [pid 5624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... unlink resumed>) = 0 [pid 5624] <... mmap resumed>) = 0x7fecab044000 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5625 [pid 5058] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5625 attached ) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5624] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5626 attached [pid 5625] set_robust_list(0x55555568a6a0, 24 [pid 5626] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5625] <... set_robust_list resumed>) = 0 [pid 5624] <... clone3 resumed> => {parent_tid=[5626]}, 88) = 5626 [pid 5626] <... rseq resumed>) = 0 [pid 5626] set_robust_list(0x7fecab0649a0, 24 [pid 5624] rt_sigprocmask(SIG_SETMASK, [], [pid 5626] <... set_robust_list resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [], [pid 5625] chdir("./28" [pid 5624] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5625] <... chdir resumed>) = 0 [pid 5624] <... futex resumed>) = 0 [pid 5618] <... mount resumed>) = 0 [pid 5626] memfd_create("syzkaller", 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5624] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 108.163997][ T5618] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5618] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5626] <... memfd_create resumed>) = 3 [pid 5625] <... prctl resumed>) = 0 [pid 5618] <... openat resumed>) = 4 [pid 5626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5618] chdir("." [pid 5626] <... mmap resumed>) = 0x7feca2c44000 [pid 5625] setpgid(0, 0 [pid 5618] <... chdir resumed>) = 0 [pid 5625] <... setpgid resumed>) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5618] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5618] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] write(3, "1000", 4 [pid 5618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5617] <... futex resumed>) = 0 [pid 5625] <... write resumed>) = 4 [pid 5625] close(3 [pid 5618] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5617] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... close resumed>) = 0 [pid 5618] <... openat resumed>) = 5 [pid 5626] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5625] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5618] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5625] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5618] ftruncate(5, 100663296 [pid 5617] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5617] <... futex resumed>) = 0 [pid 5625] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5617] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5625] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0}./strace-static-x86_64: Process 5627 attached => {parent_tid=[5627]}, 88) = 5627 [pid 5618] <... ftruncate resumed>) = 0 [pid 5627] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5618] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... rseq resumed>) = 0 [pid 5618] <... futex resumed>) = 1 [pid 5627] set_robust_list(0x7fecab0649a0, 24 [pid 5618] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5627] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], [pid 5625] rt_sigprocmask(SIG_SETMASK, [], [pid 5617] <... futex resumed>) = 0 [pid 5627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5617] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 1 [pid 5627] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 1 [pid 5618] <... futex resumed>) = 0 [pid 5617] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] memfd_create("syzkaller", 0 [pid 5625] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5618] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5627] <... memfd_create resumed>) = 3 [pid 5627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5623] <... write resumed>) = 4194304 [pid 5617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5623] munmap(0x7feca2c44000, 138412032 [pid 5617] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... munmap resumed>) = 0 [pid 5618] <... openat resumed>) = 6 [pid 5623] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5618] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... futex resumed>) = 0 [pid 5623] <... openat resumed>) = 4 [pid 5618] <... futex resumed>) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5623] ioctl(4, LOOP_SET_FD, 3 [pid 5617] <... mmap resumed>) = 0x7fecab023000 [pid 5618] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5059] <... umount2 resumed>) = 0 [pid 5617] <... mprotect resumed>) = 0 [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5628 attached [pid 5059] newfstatat(AT_FDCWD, "./27/file0", [pid 5628] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5617] <... clone3 resumed> => {parent_tid=[5628]}, 88) = 5628 [pid 5628] <... rseq resumed>) = 0 [pid 5617] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5628] set_robust_list(0x7fecab0439a0, 24 [pid 5617] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] <... set_robust_list resumed>) = 0 [pid 5617] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5623] <... ioctl resumed>) = 0 [pid 5617] <... futex resumed>) = 0 [pid 5059] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5628] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5623] close(3 [pid 5617] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5628] <... openat resumed>) = 7 [pid 5623] <... close resumed>) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5623] mkdir("./file0", 0777) = 0 [pid 5059] newfstatat(4, "", [pid 5628] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5628] <... futex resumed>) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5059] getdents64(4, [pid 5628] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5617] exit_group(0 [pid 5628] <... futex resumed>) = ? [pid 5618] <... futex resumed>) = ? [pid 5617] <... exit_group resumed>) = ? [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5628] +++ exited with 0 +++ [pid 5059] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5618] +++ exited with 0 +++ [pid 5617] +++ exited with 0 +++ [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./27/file0") = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5059] rmdir("./27") = 0 [pid 5059] mkdir("./28", 0777) = 0 [ 108.351123][ T5623] loop3: detected capacity change from 0 to 8192 [ 108.388001][ T5623] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5058] <... umount2 resumed>) = 0 [pid 5626] <... write resumed>) = 4194304 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5617, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5626] munmap(0x7feca2c44000, 138412032 [pid 5059] <... openat resumed>) = 3 [pid 5058] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5626] <... munmap resumed>) = 0 [pid 5059] close(3) = 0 [pid 5058] newfstatat(AT_FDCWD, "./28/file0", [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5626] ioctl(4, LOOP_SET_FD, 3 [pid 5062] <... openat resumed>) = 3 [pid 5058] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5630 attached [pid 5062] newfstatat(3, "", [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5630 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5630] set_robust_list(0x55555568a6a0, 24 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5062] getdents64(3, [pid 5058] newfstatat(4, "", [pid 5630] chdir("./28" [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5630] <... chdir resumed>) = 0 [pid 5062] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] getdents64(4, [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5630] <... prctl resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(4, [pid 5062] unlink("./27/binderfs" [pid 5630] setpgid(0, 0) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5058] rmdir("./28/file0" [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... rmdir resumed>) = 0 [ 108.406844][ T5623] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 108.416609][ T5623] REISERFS (device loop3): using ordered data mode [ 108.426316][ T5623] reiserfs: using flush barriers [ 108.434831][ T5626] loop0: detected capacity change from 0 to 8192 [pid 5630] <... openat resumed>) = 3 [pid 5626] <... ioctl resumed>) = 0 [pid 5058] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5058] rmdir("./28") = 0 [pid 5058] mkdir("./29", 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 5630] write(3, "1000", 4 [pid 5626] close(3 [pid 5630] <... write resumed>) = 4 [pid 5626] <... close resumed>) = 0 [pid 5630] close(3 [pid 5626] mkdir("./file0", 0777 [pid 5630] <... close resumed>) = 0 [pid 5630] symlink("/dev/binderfs", "./binderfs" [pid 5626] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5631 attached [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5631 [pid 5631] set_robust_list(0x55555568a6a0, 24 [pid 5630] <... symlink resumed>) = 0 [pid 5626] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5631] <... set_robust_list resumed>) = 0 [pid 5630] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5631] chdir("./29" [pid 5630] <... futex resumed>) = 0 [ 108.459350][ T5623] 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 [ 108.495727][ T5623] REISERFS (device loop3): checking transaction log (loop3) [pid 5631] <... chdir resumed>) = 0 [pid 5630] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5630] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5631] <... prctl resumed>) = 0 [pid 5630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5631] setpgid(0, 0 [pid 5630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] <... setpgid resumed>) = 0 [pid 5630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5630] <... mmap resumed>) = 0x7fecab044000 [pid 5631] <... openat resumed>) = 3 [pid 5630] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5631] write(3, "1000", 4 [pid 5630] <... mprotect resumed>) = 0 [pid 5631] <... write resumed>) = 4 [pid 5630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5631] close(3 [pid 5630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5631] <... close resumed>) = 0 [pid 5630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5631] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5630] <... clone3 resumed> => {parent_tid=[5633]}, 88) = 5633 [pid 5631] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] rt_sigprocmask(SIG_SETMASK, [], [pid 5623] <... mount resumed>) = 0 [pid 5631] <... futex resumed>) = 0 [pid 5630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5630] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5633 attached [pid 5631] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5623] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5633] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5630] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5623] <... openat resumed>) = 3 [pid 5633] <... rseq resumed>) = 0 [pid 5631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5627] <... write resumed>) = 4194304 [pid 5633] set_robust_list(0x7fecab0649a0, 24 [pid 5631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 108.497610][ T5626] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 108.506373][ T5623] REISERFS (device loop3): Using r5 hash to sort names [ 108.516224][ T5626] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5623] chdir("./file0" [pid 5633] <... set_robust_list resumed>) = 0 [pid 5631] <... mmap resumed>) = 0x7fecab044000 [pid 5623] <... chdir resumed>) = 0 [pid 5631] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5627] munmap(0x7feca2c44000, 138412032 [pid 5631] <... mprotect resumed>) = 0 [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5627] <... munmap resumed>) = 0 [pid 5631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5633] rt_sigprocmask(SIG_SETMASK, [], [pid 5623] ioctl(4, LOOP_CLR_FD [pid 5633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5623] <... ioctl resumed>) = 0 [pid 5633] memfd_create("syzkaller", 0 [pid 5623] close(4 [pid 5633] <... memfd_create resumed>) = 3 [pid 5631] 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 5627] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5623] <... close resumed>) = 0 [pid 5633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5627] <... openat resumed>) = 4 [pid 5623] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... mmap resumed>) = 0x7feca2c44000 [pid 5627] ioctl(4, LOOP_SET_FD, 3 [pid 5623] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5627] <... ioctl resumed>) = 0 [pid 5623] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] <... futex resumed>) = 0 [pid 5622] <... futex resumed>) = 1 [pid 5631] <... clone3 resumed> => {parent_tid=[5634]}, 88) = 5634 [pid 5631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5631] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5631] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5627] close(3 [pid 5623] mkdir(".", 0777 [pid 5622] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5634 attached [pid 5633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5627] <... close resumed>) = 0 [pid 5623] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5634] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5623] 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, "" [ 108.554143][ T5626] REISERFS (device loop0): using ordered data mode [ 108.567700][ T5626] reiserfs: using flush barriers [ 108.576550][ T5627] loop4: detected capacity change from 0 to 8192 [ 108.586658][ T5626] 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 5627] mkdir("./file0", 0777) = 0 [pid 5627] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5634] <... rseq resumed>) = 0 [pid 5634] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 108.614795][ T5623] reiserfs: enabling write barrier flush mode [ 108.620954][ T5626] REISERFS (device loop0): checking transaction log (loop0) [ 108.623940][ T5623] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 108.645657][ T5626] REISERFS (device loop0): Using r5 hash to sort names [pid 5634] memfd_create("syzkaller", 0) = 3 [pid 5626] <... mount resumed>) = 0 [pid 5634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5626] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5634] <... mmap resumed>) = 0x7feca2c44000 [pid 5626] <... openat resumed>) = 3 [pid 5626] chdir("./file0") = 0 [pid 5623] <... mount resumed>) = 0 [pid 5626] ioctl(4, LOOP_CLR_FD) = 0 [pid 5626] close(4 [pid 5062] <... umount2 resumed>) = 0 [pid 5626] <... close resumed>) = 0 [pid 5062] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5626] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5626] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5062] newfstatat(AT_FDCWD, "./27/file0", [pid 5626] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... futex resumed>) = 0 [pid 5623] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5626] mkdir(".", 0777 [pid 5624] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5626] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5626] 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) [ 108.653319][ T5627] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 108.674887][ T5627] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 108.684940][ T5627] REISERFS (device loop4): using ordered data mode [pid 5062] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] <... openat resumed>) = 4 [pid 5062] <... openat resumed>) = 4 [pid 5062] newfstatat(4, "", [pid 5633] <... write resumed>) = 4194304 [pid 5623] chdir("." [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, [pid 5633] munmap(0x7feca2c44000, 138412032 [pid 5623] <... chdir resumed>) = 0 [pid 5623] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5622] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... munmap resumed>) = 0 [pid 5623] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5634] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5633] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5623] <... openat resumed>) = 5 [pid 5062] getdents64(4, [pid 5623] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [ 108.736470][ T5626] reiserfs: enabling write barrier flush mode [ 108.737014][ T5627] reiserfs: using flush barriers [ 108.771474][ T5626] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5633] <... openat resumed>) = 4 [pid 5623] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5062] close(4 [pid 5633] ioctl(4, LOOP_SET_FD, 3 [pid 5622] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./27/file0" [pid 5622] <... futex resumed>) = 0 [pid 5622] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... rmdir resumed>) = 0 [pid 5623] ftruncate(5, 100663296) = 0 [pid 5633] <... ioctl resumed>) = 0 [pid 5062] getdents64(3, [pid 5633] close(3 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5633] <... close resumed>) = 0 [pid 5062] close(3 [pid 5633] mkdir("./file0", 0777 [pid 5062] <... close resumed>) = 0 [pid 5633] <... mkdir resumed>) = 0 [pid 5062] rmdir("./27") = 0 [pid 5062] mkdir("./28", 0777 [pid 5633] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5626] <... mount resumed>) = 0 [pid 5626] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] <... mkdir resumed>) = 0 [pid 5626] <... openat resumed>) = 4 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5626] chdir("." [pid 5062] <... openat resumed>) = 3 [pid 5626] <... chdir resumed>) = 0 [ 108.781660][ T5627] 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 [ 108.803500][ T5633] loop2: detected capacity change from 0 to 8192 [pid 5634] <... write resumed>) = 4194304 [pid 5626] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5626] <... futex resumed>) = 1 [pid 5623] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5626] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5622] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] <... futex resumed>) = 0 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5624] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5623] <... openat resumed>) = 6 [pid 5634] munmap(0x7feca2c44000, 138412032 [pid 5624] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(3 [pid 5626] <... futex resumed>) = 0 [pid 5626] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [ 108.835921][ T5633] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 108.836166][ T5627] REISERFS (device loop4): checking transaction log (loop4) [ 108.863792][ T5633] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 5626] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5634] <... munmap resumed>) = 0 [pid 5624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5623] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5622] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5624] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5626] ftruncate(5, 100663296 [pid 5623] <... openat resumed>) = 7 [pid 5624] <... futex resumed>) = 0 [pid 5634] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5624] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5623] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5638 [pid 5634] <... openat resumed>) = 4 [pid 5623] <... futex resumed>) = 1 [pid 5622] <... futex resumed>) = 0 [pid 5634] ioctl(4, LOOP_SET_FD, 3 [pid 5623] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5622] exit_group(0 [pid 5627] <... mount resumed>) = 0 [pid 5627] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5623] <... futex resumed>) = ? [pid 5622] <... exit_group resumed>) = ? [pid 5623] +++ exited with 0 +++ [pid 5622] +++ exited with 0 +++ ./strace-static-x86_64: Process 5638 attached [pid 5627] <... openat resumed>) = 3 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5622, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5638] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5638] chdir("./28") = 0 [pid 5627] chdir("./file0" [pid 5638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... chdir resumed>) = 0 [pid 5638] <... prctl resumed>) = 0 [pid 5634] <... ioctl resumed>) = 0 [pid 5627] ioctl(4, LOOP_CLR_FD [pid 5634] close(3 [pid 5627] <... ioctl resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 5627] close(4 [pid 5634] mkdir("./file0", 0777 [pid 5627] <... close resumed>) = 0 [pid 5627] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5627] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... mkdir resumed>) = 0 [ 108.881890][ T5633] REISERFS (device loop2): using ordered data mode [ 108.887081][ T5627] REISERFS (device loop4): Using r5 hash to sort names [ 108.900366][ T5633] reiserfs: using flush barriers [ 108.910439][ T5634] loop1: detected capacity change from 0 to 8192 [ 108.919663][ T5633] 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 5060] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5638] setpgid(0, 0 [pid 5626] <... ftruncate resumed>) = 0 [pid 5625] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] <... setpgid resumed>) = 0 [pid 5626] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5626] <... futex resumed>) = 0 [pid 5624] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5624] <... futex resumed>) = 0 [pid 5624] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... futex resumed>) = 0 [pid 5625] <... futex resumed>) = 1 [pid 5060] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... openat resumed>) = 3 [pid 5627] mkdir(".", 0777 [pid 5625] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] <... openat resumed>) = 3 [pid 5638] write(3, "1000", 4 [pid 5627] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5060] newfstatat(3, "", [pid 5638] <... write resumed>) = 4 [pid 5627] 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 5638] close(3 [pid 5633] <... mount resumed>) = 0 [pid 5626] <... openat resumed>) = 6 [pid 5060] getdents64(3, [pid 5638] <... close resumed>) = 0 [pid 5633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5626] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5638] symlink("/dev/binderfs", "./binderfs" [pid 5633] <... openat resumed>) = 3 [pid 5626] <... futex resumed>) = 1 [pid 5060] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... symlink resumed>) = 0 [pid 5633] chdir("./file0" [pid 5626] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... chdir resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./27/binderfs", [pid 5638] <... futex resumed>) = 0 [pid 5633] ioctl(4, LOOP_CLR_FD [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5638] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5633] <... ioctl resumed>) = 0 [pid 5060] unlink("./27/binderfs" [pid 5638] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5633] close(4 [pid 5060] <... unlink resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5633] <... close resumed>) = 0 [pid 5060] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5633] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5633] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5638] <... mmap resumed>) = 0x7fecab044000 [pid 5633] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5638] <... mprotect resumed>) = 0 [pid 5633] mkdir(".", 0777 [pid 5630] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5633] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5624] <... futex resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>[], 8) = 0 [ 108.939226][ T5633] REISERFS (device loop2): checking transaction log (loop2) [ 108.948202][ T5633] REISERFS (device loop2): Using r5 hash to sort names [ 108.968412][ T5627] reiserfs: enabling write barrier flush mode [ 108.975056][ T5634] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5633] 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 5638] 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 5624] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5640 attached [pid 5626] <... futex resumed>) = 0 [pid 5624] <... futex resumed>) = 1 [pid 5624] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5638] <... clone3 resumed> => {parent_tid=[5640]}, 88) = 5640 [pid 5626] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5640] <... rseq resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], [pid 5626] <... openat resumed>) = 7 [pid 5638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5626] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5626] <... futex resumed>) = 1 [pid 5624] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5626] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5624] exit_group(0 [pid 5638] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5626] <... futex resumed>) = ? [pid 5624] <... exit_group resumed>) = ? [pid 5626] +++ exited with 0 +++ [pid 5624] +++ exited with 0 +++ [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5624, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [ 108.997458][ T5633] reiserfs: enabling write barrier flush mode [ 109.004963][ T5634] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 109.018176][ T5634] REISERFS (device loop1): using ordered data mode [ 109.021134][ T5633] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 109.025916][ T5634] reiserfs: using flush barriers [pid 5057] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 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 5057] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] unlink("./28/binderfs") = 0 [pid 5057] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5633] <... mount resumed>) = 0 [pid 5640] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5640] memfd_create("syzkaller", 0 [pid 5633] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5640] <... memfd_create resumed>) = 3 [pid 5633] <... openat resumed>) = 4 [pid 5633] chdir(".") = 0 [pid 5633] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5633] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5633] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5630] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... openat resumed>) = 5 [pid 5633] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5633] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5630] <... futex resumed>) = 0 [pid 5640] <... mmap resumed>) = 0x7feca2c44000 [pid 5630] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 109.050814][ T5634] 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 [ 109.060106][ T5627] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5633] ftruncate(5, 100663296) = 0 [pid 5633] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5630] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 109.110911][ T5634] REISERFS (device loop1): checking transaction log (loop1) [pid 5633] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5634] <... mount resumed>) = 0 [pid 5633] <... openat resumed>) = 6 [pid 5627] <... mount resumed>) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5627] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5633] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5627] chdir("." [pid 5633] <... futex resumed>) = 0 [pid 5630] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... chdir resumed>) = 0 [pid 5627] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5630] <... futex resumed>) = 0 [pid 5633] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5630] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5627] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5633] <... openat resumed>) = 7 [pid 5627] <... openat resumed>) = 5 [pid 5625] <... futex resumed>) = 0 [pid 5633] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5633] <... futex resumed>) = 1 [pid 5630] <... futex resumed>) = 0 [pid 5633] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5630] exit_group(0 [pid 5633] <... futex resumed>) = ? [pid 5630] <... exit_group resumed>) = ? [pid 5627] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5627] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... futex resumed>) = 0 [pid 5627] ftruncate(5, 100663296 [pid 5625] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] <... openat resumed>) = 3 [pid 5634] chdir("./file0") = 0 [pid 5634] ioctl(4, LOOP_CLR_FD) = 0 [pid 5634] close(4) = 0 [pid 5634] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5634] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5631] <... futex resumed>) = 0 [pid 5631] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5631] <... futex resumed>) = 1 [pid 5634] mkdir(".", 0777 [pid 5631] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5634] <... mkdir resumed>) = -1 EEXIST (File exists) [ 109.156117][ T5634] REISERFS (device loop1): Using r5 hash to sort names [pid 5634] 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 5640] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5633] +++ exited with 0 +++ [pid 5630] +++ exited with 0 +++ [pid 5627] <... ftruncate resumed>) = 0 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5627] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5627] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5627] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5625] <... futex resumed>) = 0 [pid 5060] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5625] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./27/file0", [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... openat resumed>) = 3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(3, "", [pid 5060] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5059] getdents64(3, [pid 5060] newfstatat(4, "", [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... umount2 resumed>) = 0 [pid 5059] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./28/binderfs") = 0 [pid 5059] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{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("./27/file0") = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] close(3) = 0 [pid 5060] rmdir("./27" [pid 5627] <... openat resumed>) = 6 [pid 5060] <... rmdir resumed>) = 0 [pid 5060] mkdir("./28", 0777 [pid 5057] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5627] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5627] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./28/file0", [pid 5625] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] 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 5627] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5057] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5627] <... openat resumed>) = 7 [pid 5060] <... mkdir resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5057] <... openat resumed>) = 4 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5057] newfstatat(4, "", [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(4, [pid 5060] close(3 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] <... close resumed>) = 0 [pid 5057] getdents64(4, [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(4 [pid 5634] <... mount resumed>) = 0 [pid 5627] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... close resumed>) = 0 [pid 5634] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5627] <... futex resumed>) = 1 [pid 5625] <... futex resumed>) = 0 [pid 5634] <... openat resumed>) = 4 [ 109.210355][ T5634] reiserfs: enabling write barrier flush mode [ 109.245282][ T5634] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5634] chdir(".") = 0 [pid 5634] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5625] exit_group(0 [pid 5631] <... futex resumed>) = 0 [pid 5627] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5057] rmdir("./28/file0" [pid 5631] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5642 attached [pid 5634] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5642] set_robust_list(0x55555568a6a0, 24 [pid 5631] <... futex resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5631] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5627] <... futex resumed>) = ? [pid 5057] getdents64(3, [pid 5642] <... set_robust_list resumed>) = 0 [pid 5634] <... openat resumed>) = 5 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5642 [pid 5642] chdir("./28" [pid 5627] +++ exited with 0 +++ [pid 5625] +++ exited with 0 +++ [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5642] <... chdir resumed>) = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5057] close(3 [pid 5642] <... prctl resumed>) = 0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 5642] setpgid(0, 0 [pid 5057] <... close resumed>) = 0 [pid 5642] <... setpgid resumed>) = 0 [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5634] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] rmdir("./28" [pid 5634] <... futex resumed>) = 1 [pid 5631] <... futex resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5631] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... rmdir resumed>) = 0 [pid 5642] <... openat resumed>) = 3 [pid 5061] newfstatat(3, "", [pid 5642] write(3, "1000", 4 [pid 5634] <... futex resumed>) = 0 [pid 5631] <... futex resumed>) = 1 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] mkdir("./29", 0777 [pid 5642] <... write resumed>) = 4 [pid 5634] ftruncate(5, 100663296 [pid 5631] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] <... mkdir resumed>) = 0 [pid 5634] <... ftruncate resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./28/binderfs") = 0 [pid 5057] <... openat resumed>) = 3 [pid 5061] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5642] close(3) = 0 [pid 5642] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5057] ioctl(3, LOOP_CLR_FD) = -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, child_tidptr=0x55555568a690) = 5643 ./strace-static-x86_64: Process 5643 attached [pid 5642] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5643] set_robust_list(0x55555568a6a0, 24 [pid 5642] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5634] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5634] <... futex resumed>) = 1 [pid 5643] chdir("./29" [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5634] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] <... mmap resumed>) = 0x7fecab044000 [pid 5642] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5643] <... chdir resumed>) = 0 [pid 5642] 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 5643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5631] <... futex resumed>) = 0 [pid 5643] <... prctl resumed>) = 0 [pid 5642] <... clone3 resumed> => {parent_tid=[5644]}, 88) = 5644 [pid 5643] setpgid(0, 0) = 0 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5643] <... openat resumed>) = 3 [pid 5642] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] write(3, "1000", 4 [pid 5642] <... futex resumed>) = 0 [pid 5643] <... write resumed>) = 4 [pid 5642] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5643] close(3) = 0 [pid 5643] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5644 attached ) = 0 [pid 5644] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5643] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5643] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5631] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5631] <... futex resumed>) = 1 [pid 5643] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5634] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5631] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5644] <... rseq resumed>) = 0 [pid 5643] <... mmap resumed>) = 0x7fecab044000 [pid 5644] set_robust_list(0x7fecab0649a0, 24 [pid 5643] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] <... mprotect resumed>) = 0 [pid 5644] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5643] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5644] memfd_create("syzkaller", 0 [pid 5643] 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 5645 attached [pid 5644] <... memfd_create resumed>) = 3 [pid 5645] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5643] <... clone3 resumed> => {parent_tid=[5645]}, 88) = 5645 [pid 5634] <... openat resumed>) = 6 [pid 5644] <... mmap resumed>) = 0x7feca2c44000 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] <... rseq resumed>) = 0 [pid 5643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] set_robust_list(0x7fecab0649a0, 24 [pid 5643] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5643] <... futex resumed>) = 0 [pid 5645] rt_sigprocmask(SIG_SETMASK, [], [pid 5643] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] memfd_create("syzkaller", 0) = 3 [pid 5645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5634] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5634] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] <... write resumed>) = 4194304 [pid 5631] <... futex resumed>) = 0 [pid 5640] munmap(0x7feca2c44000, 138412032) = 0 [pid 5644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5640] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5631] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5631] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... openat resumed>) = 4 [pid 5634] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5634] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5640] ioctl(4, LOOP_SET_FD, 3 [pid 5634] <... openat resumed>) = 7 [pid 5059] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5631] <... futex resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5631] exit_group(0 [pid 5634] ???( [pid 5059] newfstatat(AT_FDCWD, "./28/file0", [pid 5631] <... exit_group resumed>) = ? [pid 5634] <... ??? resumed>) = ? [pid 5634] +++ exited with 0 +++ [pid 5631] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5631, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5640] <... ioctl resumed>) = 0 [pid 5645] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... openat resumed>) = 3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] close(3 [pid 5059] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] newfstatat(3, "", [pid 5640] <... close resumed>) = 0 [pid 5640] mkdir("./file0", 0777) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] newfstatat(4, "", [pid 5058] getdents64(3, [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] getdents64(4, [pid 5058] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] 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 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] getdents64(4, [pid 5058] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 109.451201][ T5640] loop5: detected capacity change from 0 to 8192 [pid 5059] <... close resumed>) = 0 [pid 5058] unlink("./29/binderfs" [pid 5059] rmdir("./28/file0" [pid 5061] <... umount2 resumed>) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5058] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3 [pid 5061] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] <... close resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./28/file0", [pid 5059] rmdir("./28" [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... rmdir resumed>) = 0 [pid 5059] mkdir("./29", 0777 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5061] newfstatat(4, "", [pid 5059] <... mkdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(4, [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] <... openat resumed>) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5061] getdents64(4, [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4) = 0 [pid 5061] rmdir("./28/file0") = 0 [pid 5059] close(3 [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] <... close resumed>) = 0 [pid 5061] close(3) = 0 [pid 5061] rmdir("./28") = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] mkdir("./29", 0777) = 0 [ 109.503709][ T5640] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 109.517213][ T5640] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 109.526493][ T5640] REISERFS (device loop5): using ordered data mode [ 109.534165][ T5640] reiserfs: using flush barriers [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 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5647 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5648 ./strace-static-x86_64: Process 5648 attached [pid 5648] set_robust_list(0x55555568a6a0, 24) = 0 ./strace-static-x86_64: Process 5647 attached [pid 5648] chdir("./29") = 0 [pid 5647] set_robust_list(0x55555568a6a0, 24) = 0 [ 109.584951][ T5640] 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 5648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5647] chdir("./29" [pid 5648] <... prctl resumed>) = 0 [pid 5647] <... chdir resumed>) = 0 [pid 5648] setpgid(0, 0 [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5644] <... write resumed>) = 4194304 [pid 5647] <... prctl resumed>) = 0 [pid 5647] setpgid(0, 0 [pid 5648] <... setpgid resumed>) = 0 [pid 5647] <... setpgid resumed>) = 0 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5647] write(3, "1000", 4 [pid 5648] <... openat resumed>) = 3 [pid 5648] write(3, "1000", 4 [pid 5644] munmap(0x7feca2c44000, 138412032 [pid 5648] <... write resumed>) = 4 [pid 5644] <... munmap resumed>) = 0 [pid 5648] close(3) = 0 [pid 5648] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5648] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... write resumed>) = 4 [pid 5648] <... futex resumed>) = 0 [pid 5647] close(3 [pid 5648] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5647] <... close resumed>) = 0 [pid 5058] <... umount2 resumed>) = 0 [pid 5647] symlink("/dev/binderfs", "./binderfs" [pid 5640] <... mount resumed>) = 0 [pid 5648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5644] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5644] <... openat resumed>) = 4 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] <... symlink resumed>) = 0 [pid 5644] ioctl(4, LOOP_SET_FD, 3 [pid 5640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5647] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... openat resumed>) = 3 [pid 5058] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5648] <... mmap resumed>) = 0x7fecab044000 [pid 5647] <... futex resumed>) = 0 [pid 5640] chdir("./file0" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5648] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5640] <... chdir resumed>) = 0 [pid 5648] <... mprotect resumed>) = 0 [pid 5647] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5640] ioctl(4, LOOP_CLR_FD [pid 5058] newfstatat(AT_FDCWD, "./29/file0", [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5647] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5640] <... ioctl resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5647] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5640] close(4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5640] <... close resumed>) = 0 [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5645] <... write resumed>) = 4194304 [pid 5640] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5649 attached [pid 5648] <... clone3 resumed> => {parent_tid=[5649]}, 88) = 5649 [pid 5647] <... mmap resumed>) = 0x7fecab044000 [pid 5640] <... futex resumed>) = 1 [pid 5638] <... futex resumed>) = 0 [pid 5058] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5649] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5648] rt_sigprocmask(SIG_SETMASK, [], [pid 5647] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5645] munmap(0x7feca2c44000, 138412032 [pid 5644] <... ioctl resumed>) = 0 [pid 5640] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] <... openat resumed>) = 4 [pid 5649] <... rseq resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5647] <... mprotect resumed>) = 0 [pid 5644] close(3 [pid 5640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] <... futex resumed>) = 0 [pid 5058] newfstatat(4, "", [pid 5649] set_robust_list(0x7fecab0649a0, 24 [pid 5648] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5644] <... close resumed>) = 0 [pid 5640] mkdir(".", 0777 [pid 5638] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5644] mkdir("./file0", 0777 [pid 5640] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5058] getdents64(4, [pid 5649] rt_sigprocmask(SIG_SETMASK, [], [pid 5648] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5647] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5645] <... munmap resumed>) = 0 [ 109.635383][ T5640] REISERFS (device loop5): checking transaction log (loop5) [ 109.647748][ T5640] REISERFS (device loop5): Using r5 hash to sort names [ 109.668233][ T5644] loop3: detected capacity change from 0 to 8192 [pid 5640] 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 5649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5644] <... mkdir resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5649] memfd_create("syzkaller", 0) = 3 [pid 5644] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5647] 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 5645] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5058] getdents64(4, [pid 5645] <... openat resumed>) = 4 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5645] ioctl(4, LOOP_SET_FD, 3 [pid 5058] close(4./strace-static-x86_64: Process 5651 attached [pid 5645] <... ioctl resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5651] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5647] <... clone3 resumed> => {parent_tid=[5651]}, 88) = 5651 [pid 5647] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] rmdir("./29/file0" [pid 5647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... rmdir resumed>) = 0 [ 109.696212][ T5640] reiserfs: enabling write barrier flush mode [ 109.705140][ T5645] loop0: detected capacity change from 0 to 8192 [ 109.708509][ T5644] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 109.727663][ T5644] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 109.737057][ T5640] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5651] <... rseq resumed>) = 0 [pid 5647] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] getdents64(3, [pid 5647] <... futex resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] close(3 [pid 5651] set_robust_list(0x7fecab0649a0, 24 [pid 5647] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5645] close(3 [pid 5651] <... set_robust_list resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5645] <... close resumed>) = 0 [pid 5058] rmdir("./29" [pid 5651] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] mkdir("./file0", 0777 [pid 5651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] <... mkdir resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5651] memfd_create("syzkaller", 0 [pid 5058] mkdir("./30", 0777 [pid 5651] <... memfd_create resumed>) = 3 [pid 5645] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5651] <... mmap resumed>) = 0x7feca2c44000 [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) = 5653 ./strace-static-x86_64: Process 5653 attached [pid 5653] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5653] chdir("./30" [pid 5640] <... mount resumed>) = 0 [pid 5640] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5653] <... chdir resumed>) = 0 [pid 5640] chdir("." [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... chdir resumed>) = 0 [pid 5653] <... prctl resumed>) = 0 [pid 5640] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5638] <... futex resumed>) = 0 [pid 5653] setpgid(0, 0 [pid 5640] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5638] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... setpgid resumed>) = 0 [pid 5638] <... futex resumed>) = 0 [ 109.739404][ T5644] REISERFS (device loop3): using ordered data mode [ 109.779856][ T5645] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5638] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... openat resumed>) = 5 [pid 5640] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = 0 [pid 5638] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5638] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... futex resumed>) = 1 [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5649] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5653] <... openat resumed>) = 3 [pid 5653] write(3, "1000", 4 [pid 5640] ftruncate(5, 100663296 [pid 5653] <... write resumed>) = 4 [pid 5653] close(3) = 0 [ 109.802554][ T5644] reiserfs: using flush barriers [ 109.806057][ T5645] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 109.830138][ T5645] REISERFS (device loop0): using ordered data mode [ 109.837040][ T5644] 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 5653] symlink("/dev/binderfs", "./binderfs" [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5653] <... symlink resumed>) = 0 [pid 5653] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5638] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5653] <... futex resumed>) = 0 [pid 5638] <... mmap resumed>) = 0x7fecab023000 [pid 5638] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5653] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5638] <... mprotect resumed>) = 0 [pid 5640] <... ftruncate resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5653] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5638] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5638] 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 5653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5638] <... clone3 resumed> => {parent_tid=[5654]}, 88) = 5654 [pid 5653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5653] <... mmap resumed>) = 0x7fecab044000 [pid 5638] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5653] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5654 attached ) = 0 [pid 5654] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5653] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5654] <... rseq resumed>) = 0 [pid 5653] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5654] set_robust_list(0x7fecab0439a0, 24 [pid 5653] 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 5654] <... set_robust_list resumed>) = 0 [pid 5640] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5655 attached [pid 5654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5653] <... clone3 resumed> => {parent_tid=[5655]}, 88) = 5655 [pid 5640] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5638] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5640] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5654] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], [pid 5638] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5638] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5649] <... write resumed>) = 4194304 [pid 5640] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 1 [pid 5640] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5638] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5653] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] munmap(0x7feca2c44000, 138412032 [pid 5655] <... rseq resumed>) = 0 [pid 5653] <... futex resumed>) = 0 [pid 5655] set_robust_list(0x7fecab0649a0, 24 [pid 5653] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5655] <... set_robust_list resumed>) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5655] memfd_create("syzkaller", 0) = 3 [pid 5655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5649] <... munmap resumed>) = 0 [pid 5644] <... mount resumed>) = 0 [pid 5644] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5649] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5644] <... openat resumed>) = 3 [pid 5644] chdir("./file0" [pid 5649] <... openat resumed>) = 4 [pid 5644] <... chdir resumed>) = 0 [ 109.871875][ T5645] reiserfs: using flush barriers [ 109.877908][ T5644] REISERFS (device loop3): checking transaction log (loop3) [ 109.888027][ T5644] REISERFS (device loop3): Using r5 hash to sort names [ 109.895698][ T5645] 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 5654] <... openat resumed>) = 6 [pid 5649] ioctl(4, LOOP_SET_FD, 3 [pid 5644] ioctl(4, LOOP_CLR_FD) = 0 [pid 5644] close(4) = 0 [pid 5640] <... openat resumed>) = 7 [pid 5644] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5638] <... futex resumed>) = 0 [pid 5644] <... futex resumed>) = 1 [pid 5642] <... futex resumed>) = 0 [pid 5640] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] mkdir(".", 0777 [pid 5642] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... ioctl resumed>) = 0 [pid 5644] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5642] <... futex resumed>) = 0 [pid 5649] close(3 [pid 5642] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5649] <... close resumed>) = 0 [pid 5649] mkdir("./file0", 0777) = 0 [pid 5644] 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, "" [ 109.944005][ T5649] loop4: detected capacity change from 0 to 8192 [ 109.965298][ T5644] reiserfs: enabling write barrier flush mode [ 109.979968][ T5645] REISERFS (device loop0): checking transaction log (loop0) [pid 5649] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5654] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... write resumed>) = 4194304 [pid 5654] <... futex resumed>) = 0 [pid 5651] munmap(0x7feca2c44000, 138412032 [pid 5638] exit_group(0 [pid 5651] <... munmap resumed>) = 0 [pid 5640] <... futex resumed>) = ? [pid 5638] <... exit_group resumed>) = ? [pid 5654] +++ exited with 0 +++ [pid 5640] +++ exited with 0 +++ [pid 5638] +++ exited with 0 +++ [pid 5651] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5638, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5651] <... openat resumed>) = 4 [pid 5651] ioctl(4, LOOP_SET_FD, 3) = 0 [ 109.988010][ T5649] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 110.003495][ T5644] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 110.019088][ T5645] REISERFS (device loop0): Using r5 hash to sort names [ 110.025544][ T5651] loop2: detected capacity change from 0 to 8192 [ 110.032505][ T5649] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5651] close(3) = 0 [pid 5062] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5651] mkdir("./file0", 0777 [pid 5645] <... mount resumed>) = 0 [pid 5644] <... mount resumed>) = 0 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, [pid 5651] <... mkdir resumed>) = 0 [pid 5651] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5645] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5644] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5655] <... write resumed>) = 4194304 [pid 5645] <... openat resumed>) = 3 [pid 5644] <... openat resumed>) = 4 [pid 5062] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./28/binderfs") = 0 [pid 5062] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5655] munmap(0x7feca2c44000, 138412032 [pid 5645] chdir("./file0" [pid 5644] chdir("." [pid 5655] <... munmap resumed>) = 0 [pid 5645] <... chdir resumed>) = 0 [pid 5644] <... chdir resumed>) = 0 [ 110.041984][ T5649] REISERFS (device loop4): using ordered data mode [ 110.049139][ T5649] reiserfs: using flush barriers [ 110.060198][ T5649] 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 [ 110.081728][ T5649] REISERFS (device loop4): checking transaction log (loop4) [pid 5655] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5645] ioctl(4, LOOP_CLR_FD [pid 5644] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... openat resumed>) = 4 [pid 5645] <... ioctl resumed>) = 0 [pid 5644] <... futex resumed>) = 1 [pid 5642] <... futex resumed>) = 0 [pid 5655] ioctl(4, LOOP_SET_FD, 3 [pid 5645] close(4 [pid 5644] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... ioctl resumed>) = 0 [pid 5645] <... close resumed>) = 0 [pid 5644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5642] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5649] <... mount resumed>) = 0 [pid 5645] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] <... openat resumed>) = 5 [pid 5642] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5644] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5649] <... openat resumed>) = 3 [pid 5645] mkdir(".", 0777 [pid 5644] <... futex resumed>) = 1 [pid 5643] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5642] <... futex resumed>) = 0 [pid 5642] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5642] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5649] chdir("./file0" [pid 5644] ftruncate(5, 100663296 [pid 5645] 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 5649] <... chdir resumed>) = 0 [ 110.090591][ T5649] REISERFS (device loop4): Using r5 hash to sort names [ 110.096797][ T5655] loop1: detected capacity change from 0 to 8192 [ 110.098433][ T5651] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 110.118943][ T5651] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 110.129306][ T5651] REISERFS (device loop2): using ordered data mode [ 110.136860][ T5651] reiserfs: using flush barriers [pid 5649] ioctl(4, LOOP_CLR_FD) = 0 [pid 5649] close(4) = 0 [pid 5649] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5649] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 5649] mkdir(".", 0777 [pid 5648] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5649] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5655] close(3 [ 110.142887][ T5645] reiserfs: enabling write barrier flush mode [ 110.154699][ T5651] 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 [ 110.176088][ T5649] reiserfs: enabling write barrier flush mode [ 110.186059][ T5645] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5649] 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 5655] <... close resumed>) = 0 [pid 5644] <... ftruncate resumed>) = 0 [pid 5642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5655] mkdir("./file0", 0777 [pid 5642] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... mkdir resumed>) = 0 [pid 5655] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5644] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5645] <... mount resumed>) = 0 [pid 5649] <... mount resumed>) = 0 [pid 5644] <... futex resumed>) = 0 [pid 5642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5645] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5644] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5642] <... mmap resumed>) = 0x7fecab023000 [pid 5642] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5645] <... openat resumed>) = 4 [pid 5642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5642] 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=[5659]}, 88) = 5659 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], [pid 5645] chdir("." [pid 5642] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5645] <... chdir resumed>) = 0 [pid 5642] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = 0 [pid 5642] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] <... mount resumed>) = 0 [pid 5645] <... futex resumed>) = 1 [pid 5643] <... futex resumed>) = 0 [pid 5649] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5643] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 110.187451][ T5651] REISERFS (device loop2): checking transaction log (loop2) [ 110.197575][ T5649] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 110.210396][ T5651] REISERFS (device loop2): Using r5 hash to sort names [ 110.219973][ T5655] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5643] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5659 attached [pid 5651] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5649] <... openat resumed>) = 4 [pid 5645] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5649] chdir("." [pid 5645] <... openat resumed>) = 5 [pid 5649] <... chdir resumed>) = 0 [pid 5651] <... openat resumed>) = 3 [pid 5649] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] chdir("./file0" [pid 5659] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5651] <... chdir resumed>) = 0 [pid 5649] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5645] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... rseq resumed>) = 0 [pid 5651] ioctl(4, LOOP_CLR_FD [pid 5649] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5645] <... futex resumed>) = 1 [pid 5645] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5643] <... futex resumed>) = 0 [pid 5643] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5643] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] set_robust_list(0x7fecab0439a0, 24 [pid 5651] <... ioctl resumed>) = 0 [pid 5648] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5645] ftruncate(5, 100663296 [pid 5648] <... futex resumed>) = 1 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5648] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5645] <... ftruncate resumed>) = 0 [pid 5649] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], [pid 5649] <... openat resumed>) = 5 [pid 5659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5651] close(4 [pid 5649] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5651] <... close resumed>) = 0 [pid 5651] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5642] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... futex resumed>) = 0 [pid 5642] <... futex resumed>) = 1 [pid 5644] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5642] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [ 110.236721][ T5655] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 110.248562][ T5655] REISERFS (device loop1): using ordered data mode [ 110.257980][ T5655] reiserfs: using flush barriers [pid 5647] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] mkdir(".", 0777 [pid 5649] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5643] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5643] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5643] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5643] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5643] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5643] 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 5647] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5651] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5649] ftruncate(5, 100663296 [pid 5648] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... clone3 resumed> => {parent_tid=[5660]}, 88) = 5660 [pid 5648] <... futex resumed>) = 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5651] 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 5648] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5643] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5643] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5649] <... ftruncate resumed>) = 0 ./strace-static-x86_64: Process 5660 attached [pid 5642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5660] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5645] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... rseq resumed>) = 0 [pid 5645] <... futex resumed>) = 0 [pid 5660] set_robust_list(0x7fecab0439a0, 24 [pid 5645] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] <... set_robust_list resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... umount2 resumed>) = 0 [pid 5660] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 110.294501][ T5655] 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 [ 110.321131][ T5651] reiserfs: enabling write barrier flush mode [pid 5062] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5660] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5649] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5643] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5643] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./28/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, [pid 5649] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5645] <... futex resumed>) = 0 [pid 5649] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5648] <... futex resumed>) = 0 [pid 5649] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5648] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] <... openat resumed>) = 6 [pid 5649] <... openat resumed>) = 6 [pid 5645] <... openat resumed>) = 7 [pid 5660] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = 0 [pid 5648] <... futex resumed>) = 0 [pid 5645] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 1 [pid 5648] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5643] <... futex resumed>) = 0 [pid 5645] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5648] <... futex resumed>) = 0 [pid 5659] <... openat resumed>) = 6 [pid 5651] <... mount resumed>) = 0 [pid 5648] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5644] <... openat resumed>) = 7 [pid 5643] exit_group(0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5659] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... openat resumed>) = 7 [pid 5062] getdents64(4, [pid 5659] <... futex resumed>) = 0 [pid 5649] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5659] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] <... futex resumed>) = 1 [pid 5648] <... futex resumed>) = 0 [pid 5644] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] close(4 [pid 5660] <... futex resumed>) = ? [pid 5651] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5649] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5648] exit_group(0 [pid 5645] <... futex resumed>) = ? [pid 5644] <... futex resumed>) = 0 [pid 5643] <... exit_group resumed>) = ? [pid 5062] <... close resumed>) = 0 [pid 5660] +++ exited with 0 +++ [pid 5649] <... futex resumed>) = ? [pid 5648] <... exit_group resumed>) = ? [pid 5645] +++ exited with 0 +++ [pid 5644] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] rmdir("./28/file0" [pid 5642] exit_group(0 [pid 5062] <... rmdir resumed>) = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./28" [pid 5659] <... futex resumed>) = ? [pid 5649] +++ exited with 0 +++ [pid 5648] +++ exited with 0 +++ [pid 5644] <... futex resumed>) = ? [pid 5642] <... exit_group resumed>) = ? [pid 5062] <... rmdir resumed>) = 0 [pid 5659] +++ exited with 0 +++ [pid 5644] +++ exited with 0 +++ [pid 5062] mkdir("./29", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5642] +++ exited with 0 +++ [pid 5062] <... openat resumed>) = 3 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5642, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5060] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5648, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [ 110.360740][ T5651] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 110.398659][ T5655] REISERFS (device loop1): checking transaction log (loop1) [pid 5651] <... openat resumed>) = 4 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5643] +++ exited with 0 +++ [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5060] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5655] <... mount resumed>) = 0 [pid 5651] chdir("." [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] <... restart_syscall resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5651] <... chdir resumed>) = 0 [pid 5060] newfstatat(3, "", [pid 5062] close(3 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5643, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5655] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5651] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5655] <... openat resumed>) = 3 [pid 5651] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(3, [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5651] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5647] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5651] <... openat resumed>) = 5 [pid 5647] <... futex resumed>) = 0 [pid 5061] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... openat resumed>) = 3 [pid 5647] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... openat resumed>) = 3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(3, "", ./strace-static-x86_64: Process 5661 attached [pid 5655] chdir("./file0" [pid 5651] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] newfstatat(3, "", [pid 5060] newfstatat(AT_FDCWD, "./28/binderfs", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5661] set_robust_list(0x55555568a6a0, 24 [pid 5655] <... chdir resumed>) = 0 [pid 5651] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5661 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5655] ioctl(4, LOOP_CLR_FD [pid 5651] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] unlink("./28/binderfs" [pid 5061] getdents64(3, [pid 5057] getdents64(3, [pid 5661] chdir("./29" [pid 5655] <... ioctl resumed>) = 0 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... futex resumed>) = 0 [pid 5661] <... chdir resumed>) = 0 [pid 5655] close(4 [pid 5651] ftruncate(5, 100663296 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5655] <... close resumed>) = 0 [pid 5651] <... ftruncate resumed>) = 0 [pid 5647] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5060] <... unlink resumed>) = 0 [pid 5057] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5661] <... prctl resumed>) = 0 [pid 5655] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] setpgid(0, 0 [pid 5655] <... futex resumed>) = 1 [pid 5661] <... setpgid resumed>) = 0 [pid 5655] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5653] <... futex resumed>) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5661] <... openat resumed>) = 3 [pid 5653] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5661] write(3, "1000", 4 [pid 5655] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = 1 [pid 5057] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5661] <... write resumed>) = 4 [pid 5655] mkdir(".", 0777 [pid 5653] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5661] close(3 [pid 5655] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5661] <... close resumed>) = 0 [pid 5655] 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, "" [ 110.425671][ T5655] REISERFS (device loop1): Using r5 hash to sort names [pid 5061] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5057] unlink("./29/binderfs" [pid 5661] symlink("/dev/binderfs", "./binderfs" [pid 5651] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... unlink resumed>) = 0 [pid 5651] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5061] unlink("./29/binderfs" [pid 5057] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5661] <... symlink resumed>) = 0 [pid 5651] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5647] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] <... futex resumed>) = 0 [pid 5651] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5647] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5661] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5661] 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 5661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5661] <... mmap resumed>) = 0x7fecab044000 [pid 5661] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5655] <... mount resumed>) = 0 [pid 5651] <... openat resumed>) = 6 [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5655] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5651] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5655] <... openat resumed>) = 4 [pid 5651] <... futex resumed>) = 1 [pid 5661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5647] <... futex resumed>) = 0 [pid 5655] chdir("." [pid 5651] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5662 attached [pid 5661] <... clone3 resumed> => {parent_tid=[5662]}, 88) = 5662 [pid 5655] <... chdir resumed>) = 0 [pid 5651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5647] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5661] rt_sigprocmask(SIG_SETMASK, [], [pid 5655] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5662] <... rseq resumed>) = 0 [pid 5661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5655] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = 0 [pid 5662] set_robust_list(0x7fecab0649a0, 24 [pid 5661] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... set_robust_list resumed>) = 0 [pid 5661] <... futex resumed>) = 0 [pid 5655] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5651] <... openat resumed>) = 7 [pid 5661] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5655] <... openat resumed>) = 5 [pid 5662] rt_sigprocmask(SIG_SETMASK, [], [pid 5653] <... futex resumed>) = 0 [pid 5662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5653] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5651] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] memfd_create("syzkaller", 0 [pid 5655] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5651] <... futex resumed>) = 1 [pid 5647] <... futex resumed>) = 0 [pid 5662] <... memfd_create resumed>) = 3 [pid 5655] ftruncate(5, 100663296 [pid 5653] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 110.473022][ T5655] reiserfs: enabling write barrier flush mode [ 110.511155][ T5655] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5647] exit_group(0 [pid 5662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5653] <... futex resumed>) = 0 [pid 5647] <... exit_group resumed>) = ? [pid 5662] <... mmap resumed>) = 0x7feca2c44000 [pid 5653] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5651] +++ exited with 0 +++ [pid 5647] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5647, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5059] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./29", 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("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] unlink("./29/binderfs") = 0 [pid 5059] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5655] <... ftruncate resumed>) = 0 [pid 5655] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5655] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5655] <... futex resumed>) = 0 [pid 5653] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 6 [pid 5655] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5655] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5655] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5655] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] <... futex resumed>) = 1 [pid 5653] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5655] <... futex resumed>) = 0 [pid 5653] exit_group(0 [pid 5655] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 5653] <... exit_group resumed>) = ? [pid 5655] +++ exited with 0 +++ [pid 5653] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5653, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5061] <... umount2 resumed>) = 0 [pid 5058] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] newfstatat(AT_FDCWD, "./29/file0", [pid 5058] <... openat resumed>) = 3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] newfstatat(3, "", [pid 5061] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] getdents64(3, [pid 5061] <... openat resumed>) = 4 [pid 5061] newfstatat(4, "", [pid 5060] <... umount2 resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5060] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(4, [pid 5060] newfstatat(AT_FDCWD, "./28/file0", [pid 5058] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] close(4) = 0 [pid 5061] rmdir("./29/file0" [pid 5662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] unlink("./30/binderfs" [pid 5060] <... openat resumed>) = 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 [pid 5061] close(3 [pid 5060] <... close resumed>) = 0 [pid 5058] <... unlink resumed>) = 0 [pid 5057] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... close resumed>) = 0 [pid 5061] rmdir("./29" [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... rmdir resumed>) = 0 [pid 5060] rmdir("./28/file0" [pid 5058] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] newfstatat(AT_FDCWD, "./29/file0", [pid 5061] mkdir("./30", 0777) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5057] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... openat resumed>) = 3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5057] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5662] <... write resumed>) = 4194304 [pid 5061] close(3 [pid 5060] getdents64(3, [pid 5057] <... openat resumed>) = 4 [pid 5061] <... close resumed>) = 0 [pid 5662] munmap(0x7feca2c44000, 138412032 [pid 5057] newfstatat(4, "", [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... getdents64 resumed>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 5663 attached [pid 5057] getdents64(4, [pid 5663] set_robust_list(0x55555568a6a0, 24 [pid 5060] close(3 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5663 [pid 5060] <... close resumed>) = 0 [pid 5057] getdents64(4, [pid 5663] chdir("./30" [pid 5060] rmdir("./28" [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5663] <... chdir resumed>) = 0 [pid 5662] <... munmap resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5057] close(4 [pid 5662] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5057] <... close resumed>) = 0 [pid 5663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5662] <... openat resumed>) = 4 [pid 5060] mkdir("./29", 0777 [pid 5057] rmdir("./29/file0" [pid 5662] ioctl(4, LOOP_SET_FD, 3 [pid 5663] <... prctl resumed>) = 0 [pid 5060] <... mkdir resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5663] setpgid(0, 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5663] <... setpgid resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5057] getdents64(3, [pid 5663] <... openat resumed>) = 3 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5663] write(3, "1000", 4 [pid 5060] close(3 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5663] <... write resumed>) = 4 [pid 5060] <... close resumed>) = 0 [pid 5663] close(3 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5663] <... close resumed>) = 0 ./strace-static-x86_64: Process 5664 attached [pid 5663] symlink("/dev/binderfs", "./binderfs" [pid 5662] <... ioctl resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5664 [pid 5057] close(3 [pid 5664] set_robust_list(0x55555568a6a0, 24 [pid 5663] <... symlink resumed>) = 0 [pid 5662] close(3 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5663] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... close resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5664] chdir("./29" [pid 5663] <... futex resumed>) = 0 [pid 5662] mkdir("./file0", 0777 [pid 5057] rmdir("./29" [pid 5664] <... chdir resumed>) = 0 [pid 5663] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5662] <... mkdir resumed>) = 0 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5663] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5664] <... prctl resumed>) = 0 [pid 5663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5664] setpgid(0, 0 [pid 5663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5664] <... setpgid resumed>) = 0 [pid 5663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5057] mkdir("./30", 0777 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5663] <... mmap resumed>) = 0x7fecab044000 [pid 5662] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5664] <... openat resumed>) = 3 [pid 5057] <... mkdir resumed>) = 0 [pid 5664] write(3, "1000", 4) = 4 [pid 5664] close(3 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5664] <... close resumed>) = 0 [pid 5663] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5057] <... openat resumed>) = 3 [pid 5664] symlink("/dev/binderfs", "./binderfs" [pid 5663] <... mprotect resumed>) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5664] <... symlink resumed>) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5664] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5663] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] close(3 [ 110.776431][ T5662] loop5: detected capacity change from 0 to 8192 [pid 5664] 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 5663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] <... close resumed>) = 0 [pid 5664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5663] 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 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5664] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5663] <... clone3 resumed> => {parent_tid=[5666]}, 88) = 5666 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5663] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5663] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5666 attached [pid 5666] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5663] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5666] <... rseq resumed>) = 0 [pid 5666] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5664] 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 5666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] <... clone3 resumed> => {parent_tid=[5667]}, 88) = 5667 [pid 5666] memfd_create("syzkaller", 0 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5666] <... memfd_create resumed>) = 3 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5664] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... mmap resumed>) = 0x7feca2c44000 [pid 5664] <... futex resumed>) = 0 [pid 5664] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5667 attached [pid 5667] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5667] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5667] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5668 attached ) = 3 [pid 5058] <... umount2 resumed>) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5668 [pid 5058] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 110.840705][ T5662] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5058] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5668] set_robust_list(0x55555568a6a0, 24 [pid 5667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5667] <... mmap resumed>) = 0x7feca2c44000 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5668] chdir("./30") = 0 [pid 5058] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... openat resumed>) = 4 [pid 5668] <... prctl resumed>) = 0 [pid 5668] setpgid(0, 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(4, "", [pid 5668] <... setpgid resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./29/file0", [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] getdents64(4, [pid 5668] <... openat resumed>) = 3 [pid 5059] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5668] write(3, "1000", 4 [pid 5666] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5058] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] close(4 [pid 5059] <... openat resumed>) = 4 [pid 5058] <... close resumed>) = 0 [pid 5059] newfstatat(4, "", [pid 5058] rmdir("./30/file0" [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5668] <... write resumed>) = 4 [pid 5059] getdents64(4, [pid 5058] getdents64(3, [pid 5668] close(3 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5668] <... close resumed>) = 0 [pid 5059] getdents64(4, [pid 5058] close(3 [pid 5668] symlink("/dev/binderfs", "./binderfs" [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... close resumed>) = 0 [pid 5668] <... symlink resumed>) = 0 [pid 5059] close(4 [pid 5668] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] rmdir("./30" [pid 5668] <... futex resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5668] 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 resumed>) = 0 [pid 5668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5059] rmdir("./29/file0" [pid 5668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] mkdir("./31", 0777 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] <... rmdir resumed>) = 0 [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] getdents64(3, [pid 5058] <... mkdir resumed>) = 0 [pid 5668] <... mmap resumed>) = 0x7fecab044000 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5668] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5059] close(3 [pid 5058] <... openat resumed>) = 3 [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5059] <... close resumed>) = 0 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [ 110.883100][ T5662] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 110.893070][ T5662] REISERFS (device loop5): using ordered data mode [ 110.900227][ T5662] reiserfs: using flush barriers [ 110.907955][ T5662] 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 5059] rmdir("./29") = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5668] <... clone3 resumed> => {parent_tid=[5669]}, 88) = 5669 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] mkdir("./30", 0777 [pid 5058] close(3 [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5668] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5059] <... mkdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5668] <... futex resumed>) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5669 attached [pid 5668] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5669] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5059] <... openat resumed>) = 3 [pid 5669] <... rseq resumed>) = 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5669] set_robust_list(0x7fecab0649a0, 24 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5669] <... set_robust_list resumed>) = 0 [pid 5059] close(3 [pid 5669] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... close resumed>) = 0 [pid 5669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5670 [pid 5669] memfd_create("syzkaller", 0) = 3 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5671 [pid 5669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 ./strace-static-x86_64: Process 5671 attached ./strace-static-x86_64: Process 5670 attached [pid 5671] set_robust_list(0x55555568a6a0, 24 [pid 5670] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5670] chdir("./31") = 0 [pid 5671] <... set_robust_list resumed>) = 0 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5671] chdir("./30" [pid 5670] <... prctl resumed>) = 0 [pid 5670] setpgid(0, 0) = 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5671] <... chdir resumed>) = 0 [pid 5670] write(3, "1000", 4) = 4 [pid 5671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5670] close(3 [pid 5671] <... prctl resumed>) = 0 [pid 5670] <... close resumed>) = 0 [pid 5666] <... write resumed>) = 4194304 [pid 5671] setpgid(0, 0 [pid 5670] symlink("/dev/binderfs", "./binderfs" [pid 5671] <... setpgid resumed>) = 0 [pid 5670] <... symlink resumed>) = 0 [pid 5671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5671] write(3, "1000", 4) = 4 [pid 5671] close(3) = 0 [pid 5670] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] symlink("/dev/binderfs", "./binderfs" [pid 5670] <... futex resumed>) = 0 [pid 5671] <... symlink resumed>) = 0 [pid 5670] 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 5670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5670] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5670] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5671] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5671] <... futex resumed>) = 0 [pid 5670] 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 5671] 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 5670] <... clone3 resumed> => {parent_tid=[5672]}, 88) = 5672 [pid 5671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5670] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5672 attached [pid 5671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5669] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5666] munmap(0x7feca2c44000, 138412032 [pid 5662] <... mount resumed>) = 0 [pid 5671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5670] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... mmap resumed>) = 0x7fecab044000 [pid 5670] <... futex resumed>) = 0 [pid 5671] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5670] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5672] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5671] <... mprotect resumed>) = 0 [pid 5666] <... munmap resumed>) = 0 [pid 5662] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5671] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5672] set_robust_list(0x7fecab0649a0, 24 [pid 5671] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5666] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5662] <... openat resumed>) = 3 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] 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 5667] <... write resumed>) = 4194304 [pid 5666] <... openat resumed>) = 4 [pid 5662] chdir("./file0"./strace-static-x86_64: Process 5673 attached [pid 5672] rt_sigprocmask(SIG_SETMASK, [], [ 110.999388][ T5662] REISERFS (device loop5): checking transaction log (loop5) [ 111.030827][ T5662] REISERFS (device loop5): Using r5 hash to sort names [pid 5667] munmap(0x7feca2c44000, 138412032 [pid 5666] ioctl(4, LOOP_SET_FD, 3 [pid 5662] <... chdir resumed>) = 0 [pid 5673] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5672] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5671] <... clone3 resumed> => {parent_tid=[5673]}, 88) = 5673 [pid 5667] <... munmap resumed>) = 0 [pid 5662] ioctl(4, LOOP_CLR_FD [pid 5672] memfd_create("syzkaller", 0 [pid 5671] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] <... ioctl resumed>) = 0 [pid 5671] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5662] close(4 [pid 5671] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... close resumed>) = 0 [pid 5673] <... rseq resumed>) = 0 [pid 5672] <... memfd_create resumed>) = 3 [pid 5671] <... futex resumed>) = 0 [pid 5667] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5662] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] set_robust_list(0x7fecab0649a0, 24 [pid 5672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5671] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5667] <... openat resumed>) = 4 [pid 5662] <... futex resumed>) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5673] <... set_robust_list resumed>) = 0 [pid 5672] <... mmap resumed>) = 0x7feca2c44000 [pid 5667] ioctl(4, LOOP_SET_FD, 3 [pid 5666] <... ioctl resumed>) = 0 [pid 5662] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] rt_sigprocmask(SIG_SETMASK, [], [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] <... futex resumed>) = 0 [pid 5661] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5666] close(3 [pid 5662] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5673] memfd_create("syzkaller", 0 [pid 5672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5662] 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 5673] <... memfd_create resumed>) = 3 [pid 5667] <... ioctl resumed>) = 0 [pid 5666] <... close resumed>) = 0 [ 111.081110][ T5666] loop4: detected capacity change from 0 to 8192 [ 111.114944][ T5667] loop3: detected capacity change from 0 to 8192 [pid 5666] mkdir("./file0", 0777 [pid 5673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5667] close(3) = 0 [pid 5667] mkdir("./file0", 0777 [pid 5666] <... mkdir resumed>) = 0 [pid 5667] <... mkdir resumed>) = 0 [pid 5666] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 111.129055][ T5662] reiserfs: enabling write barrier flush mode [pid 5667] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5669] <... write resumed>) = 4194304 [pid 5669] munmap(0x7feca2c44000, 138412032) = 0 [ 111.155512][ T5667] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 111.175105][ T5667] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 111.191297][ T5662] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5669] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5669] ioctl(4, LOOP_SET_FD, 3 [pid 5673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5669] <... ioctl resumed>) = 0 [pid 5662] <... mount resumed>) = 0 [pid 5662] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5669] close(3) = 0 [pid 5669] mkdir("./file0", 0777) = 0 [pid 5662] <... openat resumed>) = 4 [pid 5662] chdir(".") = 0 [ 111.200798][ T5666] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 111.215925][ T5669] loop0: detected capacity change from 0 to 8192 [ 111.216944][ T5667] REISERFS (device loop3): using ordered data mode [ 111.228905][ T5667] reiserfs: using flush barriers [ 111.236329][ T5666] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5669] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5662] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5662] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5661] <... futex resumed>) = 0 [ 111.245834][ T5667] 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 [ 111.264598][ T5669] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 111.264709][ T5667] REISERFS (device loop3): checking transaction log (loop3) [ 111.278254][ T5666] REISERFS (device loop4): using ordered data mode [pid 5672] <... write resumed>) = 4194304 [pid 5662] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5661] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5662] ftruncate(5, 100663296 [pid 5661] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5662] <... ftruncate resumed>) = 0 [pid 5661] <... futex resumed>) = 0 [pid 5661] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] munmap(0x7feca2c44000, 138412032) = 0 [ 111.304829][ T5666] reiserfs: using flush barriers [ 111.309307][ T5669] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 111.323038][ T5669] REISERFS (device loop0): using ordered data mode [ 111.330129][ T5669] reiserfs: using flush barriers [ 111.333856][ T5666] 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 5672] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5662] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5672] <... openat resumed>) = 4 [pid 5673] <... write resumed>) = 4194304 [pid 5662] <... futex resumed>) = 0 [pid 5661] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] munmap(0x7feca2c44000, 138412032 [pid 5661] <... futex resumed>) = 0 [pid 5661] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5673] <... munmap resumed>) = 0 [pid 5672] ioctl(4, LOOP_SET_FD, 3 [pid 5673] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 111.354502][ T5669] 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 [ 111.354881][ T5667] REISERFS (device loop3): Using r5 hash to sort names [ 111.381458][ T5669] REISERFS (device loop0): checking transaction log (loop0) [ 111.386036][ T5672] loop1: detected capacity change from 0 to 8192 [ 111.389757][ T5666] REISERFS (device loop4): checking transaction log (loop4) [pid 5662] <... openat resumed>) = 6 [pid 5672] <... ioctl resumed>) = 0 [pid 5662] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] close(3) = 0 [pid 5662] <... futex resumed>) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5672] mkdir("./file0", 0777 [pid 5662] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5661] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] ioctl(4, LOOP_SET_FD, 3 [pid 5672] <... mkdir resumed>) = 0 [pid 5669] <... mount resumed>) = 0 [pid 5662] <... openat resumed>) = 7 [pid 5661] <... futex resumed>) = 0 [pid 5662] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] <... futex resumed>) = 0 [pid 5661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5662] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5661] exit_group(0 [pid 5672] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5662] <... futex resumed>) = ? [pid 5661] <... exit_group resumed>) = ? [pid 5673] <... ioctl resumed>) = 0 [pid 5669] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5667] <... mount resumed>) = 0 [pid 5666] <... mount resumed>) = 0 [pid 5662] +++ exited with 0 +++ [pid 5661] +++ exited with 0 +++ [pid 5673] close(3 [pid 5669] <... openat resumed>) = 3 [pid 5666] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5673] <... close resumed>) = 0 [pid 5669] chdir("./file0" [pid 5667] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5666] <... openat resumed>) = 3 [pid 5673] mkdir("./file0", 0777 [pid 5669] <... chdir resumed>) = 0 [pid 5667] <... openat resumed>) = 3 [pid 5666] chdir("./file0" [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5661, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5669] ioctl(4, LOOP_CLR_FD [pid 5667] chdir("./file0" [pid 5666] <... chdir resumed>) = 0 [pid 5669] <... ioctl resumed>) = 0 [pid 5667] <... chdir resumed>) = 0 [pid 5666] ioctl(4, LOOP_CLR_FD [pid 5669] close(4 [pid 5667] ioctl(4, LOOP_CLR_FD [pid 5673] <... mkdir resumed>) = 0 [pid 5666] <... ioctl resumed>) = 0 [pid 5673] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5669] <... close resumed>) = 0 [pid 5667] <... ioctl resumed>) = 0 [pid 5666] close(4 [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5669] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] close(4 [pid 5666] <... close resumed>) = 0 [pid 5669] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5667] <... close resumed>) = 0 [pid 5666] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... restart_syscall resumed>) = 0 [pid 5669] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 111.403920][ T5669] REISERFS (device loop0): Using r5 hash to sort names [ 111.412541][ T5666] REISERFS (device loop4): Using r5 hash to sort names [ 111.421762][ T5673] loop2: detected capacity change from 0 to 8192 [ 111.441381][ T5672] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5668] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5667] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = 1 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] <... futex resumed>) = 1 [pid 5666] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] <... futex resumed>) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5669] mkdir(".", 0777 [pid 5667] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5666] mkdir(".", 0777 [pid 5663] <... futex resumed>) = 0 [pid 5669] 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 5666] <... mkdir resumed>) = -1 EEXIST (File exists) [ 111.457485][ T5673] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 111.479296][ T5672] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 111.489354][ T5672] REISERFS (device loop1): using ordered data mode [ 111.494993][ T5669] reiserfs: enabling write barrier flush mode [ 111.496487][ T5672] reiserfs: using flush barriers [pid 5663] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5666] 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 5664] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./29", 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("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5664] <... futex resumed>) = 1 [pid 5667] <... futex resumed>) = 0 [pid 5664] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5667] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5062] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./29/binderfs") = 0 [pid 5062] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 111.504799][ T5666] reiserfs: enabling write barrier flush mode [ 111.509483][ T5673] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 111.523498][ T5672] 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 [ 111.541323][ T5672] REISERFS (device loop1): checking transaction log (loop1) [ 111.551000][ T5667] reiserfs: enabling write barrier flush mode [ 111.561184][ T5673] REISERFS (device loop2): using ordered data mode [ 111.568389][ T5673] reiserfs: using flush barriers [ 111.571419][ T5666] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 111.582650][ T5673] 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 [ 111.583225][ T5673] REISERFS (device loop2): checking transaction log (loop2) [pid 5667] 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 5672] <... mount resumed>) = 0 [pid 5669] <... mount resumed>) = 0 [pid 5666] <... mount resumed>) = 0 [pid 5669] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5667] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5669] <... openat resumed>) = 4 [pid 5669] chdir(".") = 0 [pid 5669] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] chdir("." [pid 5673] <... mount resumed>) = 0 [pid 5672] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5669] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5666] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5667] <... chdir resumed>) = 0 [pid 5673] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5672] <... openat resumed>) = 3 [pid 5673] <... openat resumed>) = 3 [pid 5669] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... openat resumed>) = 4 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] <... futex resumed>) = 0 [pid 5669] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5668] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] chdir("./file0" [pid 5672] chdir("./file0" [pid 5669] <... openat resumed>) = 5 [pid 5667] <... futex resumed>) = 1 [pid 5666] chdir("." [pid 5664] <... futex resumed>) = 0 [ 111.612577][ T5667] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 111.623367][ T5672] REISERFS (device loop1): Using r5 hash to sort names [ 111.633612][ T5669] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 111.639501][ T5673] REISERFS (device loop2): Using r5 hash to sort names [pid 5673] <... chdir resumed>) = 0 [pid 5672] <... chdir resumed>) = 0 [pid 5667] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] <... chdir resumed>) = 0 [pid 5664] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] ioctl(4, LOOP_CLR_FD [pid 5667] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5672] <... ioctl resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5672] close(4 [pid 5666] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] <... futex resumed>) = 0 [pid 5663] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] <... futex resumed>) = 0 [pid 5672] <... close resumed>) = 0 [pid 5666] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5673] ioctl(4, LOOP_CLR_FD [pid 5663] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5673] <... ioctl resumed>) = 0 [pid 5672] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... openat resumed>) = 5 [pid 5666] <... openat resumed>) = 5 [pid 5669] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5668] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5668] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] ftruncate(5, 100663296 [pid 5673] close(4 [pid 5672] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5667] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... close resumed>) = 0 [pid 5672] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5667] ftruncate(5, 100663296 [pid 5664] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5664] <... futex resumed>) = 0 [pid 5673] <... futex resumed>) = 1 [pid 5672] mkdir(".", 0777 [pid 5671] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = 0 [pid 5673] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5666] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] 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 5663] <... futex resumed>) = 0 [pid 5671] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5671] <... futex resumed>) = 1 [pid 5666] ftruncate(5, 100663296 [pid 5671] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5673] <... futex resumed>) = 0 [pid 5673] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5673] 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 5666] <... ftruncate resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5669] <... ftruncate resumed>) = 0 [pid 5668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5667] <... ftruncate resumed>) = 0 [pid 5666] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5669] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5669] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 4 [pid 5669] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5062] newfstatat(4, "", [pid 5668] <... mmap resumed>) = 0x7fecab023000 [pid 5663] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5668] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5666] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5062] getdents64(4, [pid 5663] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... mount resumed>) = 0 [pid 5672] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5672] chdir(".") = 0 [pid 5672] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5672] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... mprotect resumed>) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... futex resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] getdents64(4, [pid 5673] <... mount resumed>) = 0 [pid 5672] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5673] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5672] <... openat resumed>) = 5 [pid 5670] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5673] <... openat resumed>) = 4 [pid 5668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5062] close(4 [pid 5673] chdir("." [pid 5672] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5673] <... chdir resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5668] <... clone3 resumed> => {parent_tid=[5679]}, 88) = 5679 [pid 5664] <... futex resumed>) = 0 [pid 5062] rmdir("./29/file0"./strace-static-x86_64: Process 5679 attached [pid 5673] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = 1 [pid 5670] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] rt_sigprocmask(SIG_SETMASK, [], [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5673] <... futex resumed>) = 1 [pid 5672] ftruncate(5, 100663296 [pid 5670] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5679] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5673] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] <... ftruncate resumed>) = 0 [pid 5671] <... futex resumed>) = 0 [pid 5670] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5667] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... mmap resumed>) = 0x7fecab023000 [pid 5679] <... rseq resumed>) = 0 [pid 5671] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5664] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5679] set_robust_list(0x7fecab0439a0, 24 [pid 5673] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5679] <... set_robust_list resumed>) = 0 [pid 5673] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5671] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5668] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] <... mprotect resumed>) = 0 [pid 5679] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5679] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5673] <... openat resumed>) = 5 [pid 5664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] getdents64(3, [pid 5673] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5673] <... futex resumed>) = 1 [pid 5062] close(3 [pid 5673] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] <... futex resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] 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] rmdir("./29" [ 111.713748][ T5672] reiserfs: enabling write barrier flush mode [ 111.723622][ T5673] reiserfs: enabling write barrier flush mode [ 111.737743][ T5672] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 111.749885][ T5673] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5673] ftruncate(5, 100663296 [pid 5671] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5671] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5664] <... clone3 resumed> => {parent_tid=[5680]}, 88) = 5680 [pid 5062] mkdir("./30", 0777 [pid 5666] <... openat resumed>) = 6 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5680 attached [pid 5679] <... openat resumed>) = 6 [pid 5672] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5680] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5679] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5673] <... ftruncate resumed>) = 0 [pid 5672] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5664] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... futex resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5680] <... rseq resumed>) = 0 [pid 5679] <... futex resumed>) = 1 [pid 5673] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5670] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5666] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] <... futex resumed>) = 0 [pid 5663] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5680] set_robust_list(0x7fecab0439a0, 24 [pid 5679] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] <... futex resumed>) = 0 [pid 5668] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] <... set_robust_list resumed>) = 0 [pid 5673] <... futex resumed>) = 1 [pid 5671] <... futex resumed>) = 0 [pid 5670] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] <... futex resumed>) = 0 [pid 5668] <... futex resumed>) = 1 [pid 5666] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5663] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5680] rt_sigprocmask(SIG_SETMASK, [], [pid 5673] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5671] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5668] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] <... openat resumed>) = 7 [pid 5062] close(3 [pid 5680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5671] <... futex resumed>) = 0 [pid 5669] <... openat resumed>) = 7 [pid 5062] <... close resumed>) = 0 [pid 5680] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5671] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5669] <... futex resumed>) = 1 [pid 5668] <... futex resumed>) = 0 [pid 5669] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] exit_group(0 [pid 5666] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... futex resumed>) = ? [pid 5669] <... futex resumed>) = ? [pid 5668] <... exit_group resumed>) = ? [pid 5666] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5679] +++ exited with 0 +++ [pid 5669] +++ exited with 0 +++ [pid 5668] +++ exited with 0 +++ [pid 5666] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] exit_group(0 [pid 5666] <... futex resumed>) = ? [pid 5663] <... exit_group resumed>) = ? [pid 5666] +++ exited with 0 +++ [pid 5663] +++ exited with 0 +++ [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5668, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5057] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5057] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5681 attached [pid 5680] <... openat resumed>) = 6 [pid 5672] <... openat resumed>) = 6 [pid 5057] <... openat resumed>) = 3 [pid 5681] set_robust_list(0x55555568a6a0, 24 [pid 5680] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5681 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5663, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5057] newfstatat(3, "", [pid 5681] <... set_robust_list resumed>) = 0 [pid 5680] <... futex resumed>) = 1 [pid 5672] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5681] chdir("./30" [pid 5680] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5670] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] getdents64(3, [pid 5681] <... chdir resumed>) = 0 [pid 5673] <... openat resumed>) = 6 [pid 5672] <... openat resumed>) = 7 [pid 5670] <... futex resumed>) = 0 [pid 5667] <... futex resumed>) = 0 [pid 5664] <... futex resumed>) = 1 [pid 5061] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5673] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5667] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5664] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] <... prctl resumed>) = 0 [pid 5673] <... futex resumed>) = 1 [pid 5672] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] <... openat resumed>) = 7 [pid 5057] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] setpgid(0, 0 [pid 5673] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] exit_group(0 [pid 5667] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] <... setpgid resumed>) = 0 [pid 5673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5672] <... futex resumed>) = ? [pid 5671] <... futex resumed>) = 0 [pid 5670] <... exit_group resumed>) = ? [pid 5667] <... futex resumed>) = 0 [pid 5664] exit_group(0 [pid 5061] <... openat resumed>) = 3 [pid 5673] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5672] +++ exited with 0 +++ [pid 5671] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5664] <... exit_group resumed>) = ? [pid 5061] newfstatat(3, "", [pid 5057] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5667] +++ exited with 0 +++ [pid 5673] <... openat resumed>) = 7 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5680] <... futex resumed>) = ? [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5673] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(3, [pid 5057] unlink("./30/binderfs" [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] <... unlink resumed>) = 0 [pid 5680] +++ exited with 0 +++ [pid 5673] <... futex resumed>) = 1 [pid 5671] <... futex resumed>) = 0 [pid 5664] +++ exited with 0 +++ [pid 5061] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5673] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] exit_group(0 [pid 5670] +++ exited with 0 +++ [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] <... openat resumed>) = 3 [pid 5673] <... futex resumed>) = ? [pid 5671] <... exit_group resumed>) = ? [pid 5061] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5664, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5681] write(3, "1000", 4 [pid 5673] +++ exited with 0 +++ [pid 5671] +++ exited with 0 +++ [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5681] <... write resumed>) = 4 [pid 5061] unlink("./30/binderfs" [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5671, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5670, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5681] close(3 [pid 5060] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] <... close resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] restart_syscall(<... resuming interrupted clone ...> [pid 5681] symlink("/dev/binderfs", "./binderfs" [pid 5061] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... restart_syscall resumed>) = 0 [pid 5681] <... symlink resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5059] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] newfstatat(3, "", [pid 5059] <... openat resumed>) = 3 [pid 5681] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] newfstatat(3, "", [pid 5681] <... futex resumed>) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5681] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] getdents64(3, [pid 5059] getdents64(3, [pid 5058] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5681] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5059] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5059] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5058] <... openat resumed>) = 3 [pid 5681] <... mmap resumed>) = 0x7fecab044000 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] newfstatat(3, "", [pid 5681] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5059] unlink("./30/binderfs" [pid 5681] <... mprotect resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./29/binderfs", [pid 5059] <... unlink resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] getdents64(3, [pid 5681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5681] 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=[5682]}, 88) = 5682 [pid 5681] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5681] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5681] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] unlink("./29/binderfs" [pid 5058] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5682 attached [pid 5060] <... unlink resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5682] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5058] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5682] <... rseq resumed>) = 0 [pid 5060] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5682] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5682] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] memfd_create("syzkaller", 0 [pid 5058] unlink("./31/binderfs" [pid 5682] <... memfd_create resumed>) = 3 [pid 5058] <... unlink resumed>) = 0 [pid 5682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5058] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5682] <... mmap resumed>) = 0x7feca2c44000 [pid 5682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5061] <... umount2 resumed>) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5061] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./30/file0", [pid 5059] newfstatat(AT_FDCWD, "./30/file0", [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... openat resumed>) = 4 [pid 5059] <... openat resumed>) = 4 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(4, "", [pid 5061] newfstatat(4, "", [pid 5057] newfstatat(AT_FDCWD, "./30/file0", [pid 5059] <... 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_EMPTY_PATH) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] getdents64(4, [pid 5059] getdents64(4, [pid 5057] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(4, [pid 5059] getdents64(4, [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] <... umount2 resumed>) = 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] close(4 [pid 5059] close(4 [pid 5061] <... close resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5057] <... openat resumed>) = 4 [pid 5061] rmdir("./30/file0") = 0 [pid 5060] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] rmdir("./30/file0" [pid 5057] newfstatat(4, "", [pid 5061] getdents64(3, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(AT_FDCWD, "./29/file0", [pid 5059] <... rmdir resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] close(3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] getdents64(4, [pid 5061] <... close resumed>) = 0 [pid 5060] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] rmdir("./30" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5057] getdents64(4, [pid 5061] mkdir("./31", 0777 [pid 5060] newfstatat(4, "", [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] <... mkdir resumed>) = 0 [pid 5059] getdents64(3, [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(4 [pid 5060] getdents64(4, [pid 5059] close(3 [pid 5057] <... close resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] <... close resumed>) = 0 [pid 5057] rmdir("./30/file0" [pid 5061] <... openat resumed>) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5060] getdents64(4, [pid 5059] rmdir("./30" [pid 5057] <... rmdir resumed>) = 0 [pid 5061] close(3 [pid 5059] <... rmdir resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] getdents64(3, [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] close(4 [pid 5059] mkdir("./31", 0777 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... close resumed>) = 0 [pid 5057] close(3 [pid 5059] <... mkdir resumed>) = 0 [pid 5060] rmdir("./29/file0" [pid 5057] <... close resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5683 [pid 5060] <... rmdir resumed>) = 0 [pid 5057] rmdir("./30" [pid 5059] <... openat resumed>) = 3 [pid 5060] getdents64(3, [pid 5057] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] mkdir("./31", 0777 [pid 5060] close(3./strace-static-x86_64: Process 5683 attached ) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5060] rmdir("./29" [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5683] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5683] chdir("./31" [pid 5059] close(3 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5059] <... close resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... umount2 resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5683] <... chdir resumed>) = 0 [pid 5682] <... write resumed>) = 4194304 [pid 5060] mkdir("./30", 0777 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5682] munmap(0x7feca2c44000, 138412032 [pid 5683] <... prctl resumed>) = 0 [pid 5683] setpgid(0, 0 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5684 ./strace-static-x86_64: Process 5684 attached [pid 5683] <... setpgid resumed>) = 0 [pid 5684] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5684] chdir("./31" [pid 5060] <... mkdir resumed>) = 0 [pid 5684] <... chdir resumed>) = 0 [pid 5684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5682] <... munmap resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5684] <... prctl resumed>) = 0 [pid 5684] setpgid(0, 0 [pid 5683] <... openat resumed>) = 3 [pid 5682] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5060] <... openat resumed>) = 3 [pid 5058] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] close(3 [pid 5684] <... setpgid resumed>) = 0 [pid 5683] write(3, "1000", 4 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5683] <... write resumed>) = 4 [pid 5682] <... openat resumed>) = 4 [pid 5057] <... close resumed>) = 0 [pid 5682] ioctl(4, LOOP_SET_FD, 3 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5684] <... openat resumed>) = 3 [pid 5060] close(3 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5685 attached [pid 5060] <... close resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5685 [pid 5685] set_robust_list(0x55555568a6a0, 24 [pid 5684] write(3, "1000", 4 [pid 5058] newfstatat(AT_FDCWD, "./31/file0", [pid 5684] <... write resumed>) = 4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5684] close(3 [pid 5058] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5684] <... close resumed>) = 0 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5686 [pid 5685] chdir("./31" [pid 5684] symlink("/dev/binderfs", "./binderfs" [pid 5058] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5686 attached [pid 5685] <... chdir resumed>) = 0 [pid 5684] <... symlink resumed>) = 0 [pid 5683] close(3 [pid 5058] <... openat resumed>) = 4 [pid 5683] <... close resumed>) = 0 [pid 5058] newfstatat(4, "", [pid 5686] set_robust_list(0x55555568a6a0, 24 [pid 5685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5684] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] symlink("/dev/binderfs", "./binderfs" [pid 5686] <... set_robust_list resumed>) = 0 [pid 5685] <... prctl resumed>) = 0 [pid 5684] <... futex resumed>) = 0 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5686] chdir("./30" [pid 5685] setpgid(0, 0 [pid 5684] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5683] <... symlink resumed>) = 0 [pid 5058] getdents64(4, [pid 5686] <... chdir resumed>) = 0 [pid 5685] <... setpgid resumed>) = 0 [pid 5684] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5684] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5058] getdents64(4, [pid 5686] <... prctl resumed>) = 0 [pid 5685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5683] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... ioctl resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5686] setpgid(0, 0 [pid 5685] <... openat resumed>) = 3 [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5683] <... futex resumed>) = 0 [pid 5682] close(3 [pid 5058] close(4 [pid 5686] <... setpgid resumed>) = 0 [pid 5685] write(3, "1000", 4 [pid 5684] <... mmap resumed>) = 0x7fecab044000 [pid 5683] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5682] <... close resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5685] <... write resumed>) = 4 [pid 5684] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5683] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5682] mkdir("./file0", 0777 [pid 5058] rmdir("./31/file0" [pid 5686] <... openat resumed>) = 3 [pid 5685] close(3 [pid 5684] <... mprotect resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5686] write(3, "1000", 4 [pid 5685] <... close resumed>) = 0 [pid 5684] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5682] <... mkdir resumed>) = 0 [pid 5058] getdents64(3, [pid 5686] <... write resumed>) = 4 [pid 5685] symlink("/dev/binderfs", "./binderfs" [pid 5684] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5686] close(3 [pid 5684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5685] <... symlink resumed>) = 0 [pid 5058] close(3./strace-static-x86_64: Process 5687 attached [pid 5686] <... close resumed>) = 0 [pid 5685] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... mmap resumed>) = 0x7fecab044000 [pid 5682] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5058] <... close resumed>) = 0 [pid 5687] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5686] symlink("/dev/binderfs", "./binderfs" [pid 5685] <... futex resumed>) = 0 [pid 5684] <... clone3 resumed> => {parent_tid=[5687]}, 88) = 5687 [pid 5683] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5058] rmdir("./31" [pid 5687] <... rseq resumed>) = 0 [pid 5686] <... symlink resumed>) = 0 [pid 5685] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [ 112.176802][ T5682] loop5: detected capacity change from 0 to 8192 [pid 5684] rt_sigprocmask(SIG_SETMASK, [], [pid 5683] <... mprotect resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5687] set_robust_list(0x7fecab0649a0, 24 [pid 5686] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] mkdir("./32", 0777 [pid 5687] <... set_robust_list resumed>) = 0 [pid 5684] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] rt_sigprocmask(SIG_SETMASK, [], [pid 5684] <... futex resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5684] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5687] memfd_create("syzkaller", 0 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5687] <... memfd_create resumed>) = 3 [pid 5686] <... futex resumed>) = 0 [pid 5685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5683] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5686] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5683] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] close(3 [pid 5686] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5683] 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] <... close resumed>) = 0 [ 112.225846][ T5682] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.239878][ T5682] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 112.249921][ T5682] REISERFS (device loop5): using ordered data mode [ 112.257128][ T5682] reiserfs: using flush barriers [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5683] <... clone3 resumed> => {parent_tid=[5690]}, 88) = 5690 [pid 5685] <... mmap resumed>) = 0x7fecab044000 [pid 5683] rt_sigprocmask(SIG_SETMASK, [], [pid 5686] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5685] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5685] <... mprotect resumed>) = 0 [pid 5686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5685] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5689 [pid 5686] <... mmap resumed>) = 0x7fecab044000 [pid 5685] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5686] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5685] 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 5683] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... mprotect resumed>) = 0 [pid 5683] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5689 attached ./strace-static-x86_64: Process 5690 attached [pid 5686] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5683] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5689] set_robust_list(0x55555568a6a0, 24 [pid 5690] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5689] <... set_robust_list resumed>) = 0 [pid 5690] <... rseq resumed>) = 0 [pid 5689] chdir("./32" [pid 5690] set_robust_list(0x7fecab0649a0, 24 [pid 5686] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5685] <... clone3 resumed> => {parent_tid=[5691]}, 88) = 5691 ./strace-static-x86_64: Process 5691 attached [pid 5689] <... chdir resumed>) = 0 [pid 5690] <... set_robust_list resumed>) = 0 [pid 5686] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5685] rt_sigprocmask(SIG_SETMASK, [], [pid 5691] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5690] rt_sigprocmask(SIG_SETMASK, [], [pid 5691] <... rseq resumed>) = 0 [pid 5690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5691] set_robust_list(0x7fecab0649a0, 24 [pid 5690] memfd_create("syzkaller", 0 [pid 5685] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5692 attached [pid 5691] <... set_robust_list resumed>) = 0 [pid 5689] <... prctl resumed>) = 0 [pid 5690] <... memfd_create resumed>) = 3 [pid 5686] <... clone3 resumed> => {parent_tid=[5692]}, 88) = 5692 [pid 5685] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... mount resumed>) = 0 [pid 5691] rt_sigprocmask(SIG_SETMASK, [], [pid 5689] setpgid(0, 0 [pid 5690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5686] rt_sigprocmask(SIG_SETMASK, [], [pid 5685] <... futex resumed>) = 0 [pid 5692] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5691] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5685] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5682] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5686] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5686] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5692] <... rseq resumed>) = 0 [pid 5691] memfd_create("syzkaller", 0 [pid 5689] <... setpgid resumed>) = 0 [pid 5690] <... mmap resumed>) = 0x7feca2c44000 [pid 5682] <... openat resumed>) = 3 [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5682] chdir("./file0" [pid 5692] set_robust_list(0x7fecab0649a0, 24 [pid 5691] <... memfd_create resumed>) = 3 [pid 5689] <... openat resumed>) = 3 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5689] write(3, "1000", 4 [pid 5687] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5682] <... chdir resumed>) = 0 [pid 5692] rt_sigprocmask(SIG_SETMASK, [], [pid 5691] <... mmap resumed>) = 0x7feca2c44000 [ 112.264191][ T5682] 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 [ 112.285261][ T5682] REISERFS (device loop5): checking transaction log (loop5) [ 112.294140][ T5682] REISERFS (device loop5): Using r5 hash to sort names [pid 5689] <... write resumed>) = 4 [pid 5682] ioctl(4, LOOP_CLR_FD [pid 5692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] <... ioctl resumed>) = 0 [pid 5682] close(4 [pid 5692] memfd_create("syzkaller", 0 [pid 5689] close(3 [pid 5682] <... close resumed>) = 0 [pid 5682] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5682] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] <... close resumed>) = 0 [pid 5689] symlink("/dev/binderfs", "./binderfs" [pid 5692] <... memfd_create resumed>) = 3 [pid 5689] <... symlink resumed>) = 0 [pid 5681] <... futex resumed>) = 0 [pid 5692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5681] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... futex resumed>) = 1 [pid 5692] <... mmap resumed>) = 0x7feca2c44000 [pid 5689] <... futex resumed>) = 0 [pid 5681] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5689] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5687] <... write resumed>) = 4194304 [pid 5682] <... futex resumed>) = 0 [pid 5689] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5687] munmap(0x7feca2c44000, 138412032 [pid 5682] mkdir(".", 0777 [pid 5689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5682] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5682] 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 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5687] <... munmap resumed>) = 0 [pid 5689] <... mmap resumed>) = 0x7fecab044000 [pid 5690] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5689] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5687] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5687] <... openat resumed>) = 4 [pid 5687] ioctl(4, LOOP_SET_FD, 3 [pid 5689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5689] 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 5693 attached => {parent_tid=[5693]}, 88) = 5693 [pid 5687] <... ioctl resumed>) = 0 [pid 5693] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5687] close(3 [pid 5693] <... rseq resumed>) = 0 [pid 5693] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5689] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] rt_sigprocmask(SIG_SETMASK, [], [pid 5687] <... close resumed>) = 0 [pid 5693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5687] mkdir("./file0", 0777 [pid 5693] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5689] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 1 [pid 5687] <... mkdir resumed>) = 0 [pid 5693] memfd_create("syzkaller", 0 [pid 5689] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 112.377644][ T5682] reiserfs: enabling write barrier flush mode [ 112.405436][ T5687] loop2: detected capacity change from 0 to 8192 [ 112.416965][ T5682] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5687] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5693] <... memfd_create resumed>) = 3 [pid 5690] <... write resumed>) = 4194304 [pid 5682] <... mount resumed>) = 0 [pid 5693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5682] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5693] <... mmap resumed>) = 0x7feca2c44000 [pid 5682] <... openat resumed>) = 4 [pid 5690] munmap(0x7feca2c44000, 138412032 [pid 5682] chdir("." [pid 5690] <... munmap resumed>) = 0 [pid 5682] <... chdir resumed>) = 0 [pid 5682] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5682] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5681] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] <... openat resumed>) = 5 [pid 5681] <... futex resumed>) = 0 [pid 5681] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5682] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] ioctl(4, LOOP_SET_FD, 3 [pid 5682] <... futex resumed>) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5682] ftruncate(5, 100663296 [pid 5681] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 112.447866][ T5687] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.472041][ T5687] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 112.475687][ T5690] loop4: detected capacity change from 0 to 8192 [pid 5681] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5682] <... ftruncate resumed>) = 0 [pid 5682] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 112.498274][ T5687] REISERFS (device loop2): using ordered data mode [ 112.525633][ T5687] reiserfs: using flush barriers [pid 5682] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] <... futex resumed>) = 0 [pid 5681] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5681] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... ioctl resumed>) = 0 [pid 5690] close(3) = 0 [pid 5690] mkdir("./file0", 0777) = 0 [pid 5690] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 112.536661][ T5687] 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 5692] <... write resumed>) = 4194304 [pid 5682] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5692] munmap(0x7feca2c44000, 138412032 [pid 5682] <... openat resumed>) = 6 [pid 5692] <... munmap resumed>) = 0 [pid 5681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5692] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5692] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5681] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5682] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] close(3 [pid 5682] <... futex resumed>) = 0 [pid 5692] <... close resumed>) = 0 [pid 5682] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] mkdir("./file0", 0777) = 0 [ 112.574302][ T5687] REISERFS (device loop2): checking transaction log (loop2) [ 112.576251][ T5690] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.595267][ T5690] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 112.602437][ T5692] loop3: detected capacity change from 0 to 8192 [ 112.604747][ T5690] REISERFS (device loop4): using ordered data mode [ 112.617489][ T5690] reiserfs: using flush barriers [pid 5692] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5691] <... write resumed>) = 4194304 [pid 5681] <... futex resumed>) = 0 [pid 5691] munmap(0x7feca2c44000, 138412032) = 0 [pid 5691] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5691] <... openat resumed>) = 4 [pid 5691] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5687] <... mount resumed>) = 0 [pid 5681] <... mmap resumed>) = 0x7fecab023000 [pid 5687] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5691] close(3) = 0 [pid 5687] <... openat resumed>) = 3 [pid 5681] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5691] mkdir("./file0", 0777) = 0 [pid 5681] <... mprotect resumed>) = 0 [ 112.625123][ T5692] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.639350][ T5690] 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 [ 112.649728][ T5691] loop0: detected capacity change from 0 to 8192 [ 112.656808][ T5687] REISERFS (device loop2): Using r5 hash to sort names [pid 5687] chdir("./file0") = 0 [pid 5681] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5687] ioctl(4, LOOP_CLR_FD [pid 5681] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5687] <... ioctl resumed>) = 0 [pid 5681] 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 5687] close(4 [pid 5681] <... clone3 resumed> => {parent_tid=[5697]}, 88) = 5697 [pid 5687] <... close resumed>) = 0 [pid 5681] rt_sigprocmask(SIG_SETMASK, [], [pid 5690] <... mount resumed>) = 0 [pid 5687] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5697 attached [pid 5697] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053) = 0 [pid 5697] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5690] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5687] <... futex resumed>) = 1 [pid 5684] <... futex resumed>) = 0 [pid 5681] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5691] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5697] <... openat resumed>) = 7 [pid 5697] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5697] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] <... openat resumed>) = 3 [pid 5687] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... futex resumed>) = 0 [pid 5690] chdir("./file0" [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 0 [pid 5681] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... chdir resumed>) = 0 [pid 5687] mkdir(".", 0777 [pid 5684] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 112.670797][ T5690] REISERFS (device loop4): checking transaction log (loop4) [ 112.682201][ T5690] REISERFS (device loop4): Using r5 hash to sort names [ 112.690230][ T5692] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 112.700631][ T5692] REISERFS (device loop3): using ordered data mode [ 112.708927][ T5692] reiserfs: using flush barriers [pid 5690] ioctl(4, LOOP_CLR_FD [pid 5681] exit_group(0 [pid 5697] <... futex resumed>) = ? [pid 5690] <... ioctl resumed>) = 0 [pid 5682] <... futex resumed>) = ? [pid 5681] <... exit_group resumed>) = ? [pid 5690] close(4 [pid 5682] +++ exited with 0 +++ [pid 5697] +++ exited with 0 +++ [pid 5690] <... close resumed>) = 0 [pid 5681] +++ exited with 0 +++ [pid 5687] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5681, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5062] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./30", 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 5687] 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 5690] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... write resumed>) = 4194304 [pid 5690] <... futex resumed>) = 1 [pid 5062] getdents64(3, 0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5690] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5683] <... futex resumed>) = 0 [pid 5693] munmap(0x7feca2c44000, 138412032 [pid 5683] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 112.716735][ T5692] 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 [ 112.737819][ T5691] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 112.753146][ T5687] reiserfs: enabling write barrier flush mode [ 112.765343][ T5692] REISERFS (device loop3): checking transaction log (loop3) [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5693] <... munmap resumed>) = 0 [pid 5690] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = 1 [pid 5690] mkdir(".", 0777 [pid 5683] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] unlink("./30/binderfs" [pid 5692] <... mount resumed>) = 0 [pid 5690] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] <... unlink resumed>) = 0 [pid 5692] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5690] 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 5693] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5692] <... openat resumed>) = 3 [ 112.772950][ T5691] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 112.774799][ T5687] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 112.782291][ T5691] REISERFS (device loop0): using ordered data mode [ 112.798059][ T5692] REISERFS (device loop3): Using r5 hash to sort names [ 112.805232][ T5691] reiserfs: using flush barriers [ 112.807263][ T5690] reiserfs: enabling write barrier flush mode [pid 5062] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5693] <... openat resumed>) = 4 [pid 5692] chdir("./file0" [pid 5687] <... mount resumed>) = 0 [pid 5693] ioctl(4, LOOP_SET_FD, 3 [pid 5687] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5692] <... chdir resumed>) = 0 [pid 5687] <... openat resumed>) = 4 [pid 5687] chdir(".") = 0 [pid 5687] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5687] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] ioctl(4, LOOP_CLR_FD [pid 5684] <... futex resumed>) = 0 [pid 5692] <... ioctl resumed>) = 0 [pid 5684] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5692] close(4 [pid 5684] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5693] <... ioctl resumed>) = 0 [pid 5692] <... close resumed>) = 0 [pid 5687] <... futex resumed>) = 0 [pid 5692] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5692] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5693] close(3 [pid 5692] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] <... mount resumed>) = 0 [pid 5687] <... openat resumed>) = 5 [pid 5686] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5687] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... futex resumed>) = 0 [pid 5692] mkdir(".", 0777 [pid 5690] <... openat resumed>) = 4 [pid 5687] <... futex resumed>) = 1 [pid 5686] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5684] <... futex resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5692] <... mkdir resumed>) = -1 EEXIST (File exists) [ 112.819756][ T5691] 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 [ 112.831726][ T5693] loop1: detected capacity change from 0 to 8192 [ 112.838748][ T5691] REISERFS (device loop0): checking transaction log (loop0) [ 112.856410][ T5690] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 112.868401][ T5691] REISERFS (device loop0): Using r5 hash to sort names [pid 5690] chdir("." [pid 5687] ftruncate(5, 100663296 [pid 5684] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] mkdir("./file0", 0777 [pid 5692] 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 5690] <... chdir resumed>) = 0 [pid 5684] <... futex resumed>) = 0 [pid 5693] <... mkdir resumed>) = 0 [pid 5690] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5690] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5691] <... mount resumed>) = 0 [pid 5684] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... futex resumed>) = 0 [pid 5691] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5691] chdir("./file0") = 0 [pid 5691] ioctl(4, LOOP_CLR_FD) = 0 [pid 5691] close(4) = 0 [pid 5691] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5691] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5683] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5685] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... openat resumed>) = 5 [pid 5685] <... futex resumed>) = 0 [pid 5690] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5690] <... futex resumed>) = 1 [pid 5683] <... futex resumed>) = 0 [pid 5690] ftruncate(5, 100663296 [pid 5683] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5691] mkdir(".", 0777 [pid 5683] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5691] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5690] <... ftruncate resumed>) = 0 [ 112.880954][ T5692] reiserfs: enabling write barrier flush mode [ 112.890097][ T5693] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5691] 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 5690] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5687] <... ftruncate resumed>) = 0 [pid 5683] <... futex resumed>) = 0 [pid 5690] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5683] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] <... futex resumed>) = 0 [pid 5690] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5683] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5684] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5684] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5684] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 112.927526][ T5691] reiserfs: enabling write barrier flush mode [ 112.939189][ T5692] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 112.955578][ T5693] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5690] <... openat resumed>) = 6 [pid 5687] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5690] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5700 attached ) = 1 [pid 5687] <... futex resumed>) = 0 [pid 5683] <... futex resumed>) = 0 [pid 5700] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5690] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5684] <... clone3 resumed> => {parent_tid=[5700]}, 88) = 5700 [pid 5683] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... rseq resumed>) = 0 [pid 5684] rt_sigprocmask(SIG_SETMASK, [], [pid 5683] <... futex resumed>) = 0 [pid 5700] set_robust_list(0x7fecab0439a0, 24 [pid 5687] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5683] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5700] <... set_robust_list resumed>) = 0 [pid 5690] <... openat resumed>) = 7 [pid 5684] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] rt_sigprocmask(SIG_SETMASK, [], [pid 5690] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = 0 [pid 5700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5692] <... mount resumed>) = 0 [pid 5690] <... futex resumed>) = 1 [pid 5684] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5683] <... futex resumed>) = 0 [pid 5700] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5692] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5683] exit_group(0) = ? [pid 5692] <... openat resumed>) = 4 [pid 5692] chdir("." [pid 5691] <... mount resumed>) = 0 [ 112.977170][ T5691] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 112.999018][ T5693] REISERFS (device loop1): using ordered data mode [pid 5691] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5691] chdir(".") = 0 [pid 5690] +++ exited with 0 +++ [pid 5692] <... chdir resumed>) = 0 [pid 5683] +++ exited with 0 +++ [pid 5692] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5683, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5692] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5700] <... openat resumed>) = 6 [pid 5692] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = 0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 5700] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5062] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5700] <... futex resumed>) = 1 [pid 5692] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5686] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5685] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5691] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5685] <... futex resumed>) = 0 [pid 5061] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5700] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] <... openat resumed>) = 5 [pid 5691] <... openat resumed>) = 5 [pid 5685] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./30/file0", [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5692] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] <... futex resumed>) = 1 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5692] <... futex resumed>) = 1 [pid 5691] <... futex resumed>) = 0 [pid 5687] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5686] <... futex resumed>) = 0 [pid 5685] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] <... openat resumed>) = 3 [pid 5692] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 113.029847][ T5693] reiserfs: using flush barriers [pid 5691] ftruncate(5, 100663296 [pid 5687] <... openat resumed>) = 7 [pid 5686] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(3, "", [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5687] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fecab1306cc, 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 5687] <... futex resumed>) = 1 [pid 5061] getdents64(3, [pid 5687] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5692] ftruncate(5, 100663296 [pid 5686] <... futex resumed>) = 0 [pid 5684] <... futex resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5684] exit_group(0 [pid 5700] <... futex resumed>) = ? [pid 5687] <... futex resumed>) = ? [pid 5686] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... exit_group resumed>) = ? [pid 5062] <... openat resumed>) = 4 [pid 5061] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5700] +++ exited with 0 +++ [pid 5062] newfstatat(4, "", [pid 5691] <... ftruncate resumed>) = 0 [pid 5687] +++ exited with 0 +++ [pid 5684] +++ exited with 0 +++ [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 5061] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5684, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] unlink("./31/binderfs" [pid 5691] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(4, [pid 5061] <... unlink resumed>) = 0 [pid 5059] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5691] <... futex resumed>) = 1 [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5061] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5691] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5062] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./30/file0") = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./30" [pid 5685] <... futex resumed>) = 0 [pid 5062] <... rmdir resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5685] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] mkdir("./31", 0777 [pid 5059] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5692] <... ftruncate resumed>) = 0 [pid 5693] <... mount resumed>) = 0 [pid 5692] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... futex resumed>) = 1 [pid 5059] <... openat resumed>) = 3 [pid 5685] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5059] newfstatat(3, "", [pid 5692] <... futex resumed>) = 1 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5692] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5059] getdents64(3, [pid 5686] <... futex resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5686] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5059] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5686] <... futex resumed>) = 1 [pid 5062] <... openat resumed>) = 3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5691] <... futex resumed>) = 0 [pid 5686] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5059] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5692] <... futex resumed>) = 0 [pid 5691] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5692] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5062] close(3 [pid 5059] unlink("./31/binderfs" [pid 5062] <... close resumed>) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5701 attached [pid 5693] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5692] <... openat resumed>) = 6 [pid 5059] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5701] set_robust_list(0x55555568a6a0, 24 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5701 [pid 5701] <... set_robust_list resumed>) = 0 [pid 5701] chdir("./31" [pid 5693] <... openat resumed>) = 3 [pid 5693] chdir("./file0") = 0 [pid 5693] ioctl(4, LOOP_CLR_FD) = 0 [pid 5693] close(4 [pid 5701] <... chdir resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5693] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5693] <... futex resumed>) = 1 [pid 5693] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] <... futex resumed>) = 0 [pid 5701] <... prctl resumed>) = 0 [pid 5689] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [ 113.057123][ T5693] 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 [ 113.078289][ T5693] REISERFS (device loop1): checking transaction log (loop1) [ 113.089057][ T5693] REISERFS (device loop1): Using r5 hash to sort names [pid 5701] setpgid(0, 0 [pid 5693] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 1 [pid 5701] <... setpgid resumed>) = 0 [pid 5693] mkdir(".", 0777 [pid 5689] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5693] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5693] 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 5701] <... openat resumed>) = 3 [pid 5691] <... openat resumed>) = 6 [pid 5701] write(3, "1000", 4 [pid 5691] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... write resumed>) = 4 [pid 5691] <... futex resumed>) = 1 [pid 5685] <... futex resumed>) = 0 [pid 5701] close(3) = 0 [pid 5685] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] symlink("/dev/binderfs", "./binderfs" [pid 5692] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5686] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5685] <... futex resumed>) = 0 [pid 5692] <... futex resumed>) = 0 [pid 5686] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] <... symlink resumed>) = 0 [pid 5692] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5691] <... openat resumed>) = 7 [pid 5686] <... futex resumed>) = 0 [pid 5701] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... openat resumed>) = 7 [pid 5686] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] <... futex resumed>) = 0 [pid 5692] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5692] <... futex resumed>) = 1 [pid 5686] <... futex resumed>) = 0 [pid 5701] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5692] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5686] exit_group(0 [pid 5701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5686] <... exit_group resumed>) = ? [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5692] <... futex resumed>) = ? [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5691] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... mmap resumed>) = 0x7fecab044000 [pid 5691] <... futex resumed>) = 1 [pid 5701] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5691] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... mprotect resumed>) = 0 [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5692] +++ exited with 0 +++ [pid 5686] +++ exited with 0 +++ [pid 5685] <... futex resumed>) = 0 [pid 5701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5685] exit_group(0 [pid 5701] 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 5691] <... futex resumed>) = ? [pid 5685] <... exit_group resumed>) = ? [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5686, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5691] +++ exited with 0 +++ [pid 5701] <... clone3 resumed> => {parent_tid=[5702]}, 88) = 5702 [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... restart_syscall resumed>) = 0 [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5701] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5701] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5685] +++ exited with 0 +++ ./strace-static-x86_64: Process 5702 attached [pid 5693] <... mount resumed>) = 0 [pid 5702] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5693] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5685, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5702] <... rseq resumed>) = 0 [pid 5693] <... openat resumed>) = 4 [pid 5057] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5702] set_robust_list(0x7fecab0649a0, 24 [pid 5693] chdir("." [pid 5060] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5702] <... set_robust_list resumed>) = 0 [pid 5693] <... chdir resumed>) = 0 [pid 5061] <... umount2 resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5702] rt_sigprocmask(SIG_SETMASK, [], [pid 5693] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5693] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5693] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] memfd_create("syzkaller", 0 [pid 5693] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5689] <... futex resumed>) = 0 [pid 5061] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... openat resumed>) = 3 [pid 5689] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(3, "", [pid 5693] <... openat resumed>) = 5 [pid 5061] newfstatat(AT_FDCWD, "./31/file0", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5702] <... memfd_create resumed>) = 3 [ 113.138500][ T5693] reiserfs: enabling write barrier flush mode [ 113.175686][ T5693] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5693] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5057] getdents64(3, [pid 5702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5693] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5060] newfstatat(3, "", [pid 5702] <... mmap resumed>) = 0x7feca2c44000 [pid 5689] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] ftruncate(5, 100663296 [pid 5689] <... futex resumed>) = 0 [pid 5061] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... openat resumed>) = 4 [pid 5057] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5061] newfstatat(4, "", [pid 5057] <... 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 5057] unlink("./31/binderfs") = 0 [pid 5061] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] close(4) = 0 [pid 5061] rmdir("./31/file0") = 0 [pid 5689] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] getdents64(3, [pid 5060] getdents64(3, [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5061] rmdir("./31" [pid 5693] <... ftruncate resumed>) = 0 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] <... rmdir resumed>) = 0 [pid 5061] mkdir("./32", 0777) = 0 [pid 5060] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [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 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] newfstatat(AT_FDCWD, "./30/binderfs", [pid 5693] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./30/binderfs" [pid 5693] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5060] <... unlink resumed>) = 0 [pid 5689] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5689] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5703 attached [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5703 [pid 5703] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5703] chdir("./32") = 0 [pid 5703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5703] setpgid(0, 0) = 0 [pid 5703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5703] write(3, "1000", 4) = 4 [pid 5703] close(3) = 0 [pid 5703] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5693] <... openat resumed>) = 6 [pid 5703] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = 0 [pid 5702] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5693] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5703] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5693] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5689] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] <... openat resumed>) = 7 [pid 5689] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5693] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5693] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5689] exit_group(0) = ? [pid 5703] <... mmap resumed>) = 0x7fecab044000 [pid 5703] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5703] 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=[5704]}, 88) = 5704 [pid 5059] <... umount2 resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5703] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] +++ exited with 0 +++ [pid 5689] +++ exited with 0 +++ ./strace-static-x86_64: Process 5704 attached [pid 5703] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5704] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5704] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5704] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5689, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5704] memfd_create("syzkaller", 0) = 3 [pid 5704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5059] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] newfstatat(AT_FDCWD, "./31/file0", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5058] <... openat resumed>) = 3 [pid 5058] newfstatat(3, "", [pid 5059] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] getdents64(3, [pid 5059] getdents64(4, [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(4, [pid 5058] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] close(4 [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... close resumed>) = 0 [pid 5059] rmdir("./31/file0" [pid 5058] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5059] <... rmdir resumed>) = 0 [pid 5059] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5059] rmdir("./31") = 0 [pid 5059] mkdir("./32", 0777) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5058] unlink("./32/binderfs" [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] <... unlink resumed>) = 0 [pid 5059] close(3 [pid 5058] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... close resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5705 ./strace-static-x86_64: Process 5705 attached [pid 5057] <... umount2 resumed>) = 0 [pid 5705] set_robust_list(0x55555568a6a0, 24 [pid 5704] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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>) = 0 [pid 5705] <... set_robust_list resumed>) = 0 [pid 5057] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5705] chdir("./32" [pid 5060] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5705] <... chdir resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5705] <... prctl resumed>) = 0 [pid 5060] newfstatat(AT_FDCWD, "./30/file0", [pid 5705] setpgid(0, 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... setpgid resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5705] <... openat resumed>) = 3 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... openat resumed>) = 4 [pid 5705] write(3, "1000", 4 [pid 5060] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5705] <... write resumed>) = 4 [pid 5705] close(3 [pid 5060] <... openat resumed>) = 4 [pid 5057] newfstatat(4, "", [pid 5705] <... close resumed>) = 0 [pid 5705] symlink("/dev/binderfs", "./binderfs" [pid 5060] newfstatat(4, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5705] <... symlink resumed>) = 0 [pid 5057] getdents64(4, [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5705] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(4, [pid 5705] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5705] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5060] getdents64(4, [pid 5705] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] getdents64(4, [pid 5705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5060] close(4 [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5702] <... write resumed>) = 4194304 [pid 5057] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] munmap(0x7feca2c44000, 138412032 [pid 5060] <... close resumed>) = 0 [pid 5705] <... mmap resumed>) = 0x7fecab044000 [pid 5702] <... munmap resumed>) = 0 [pid 5060] rmdir("./30/file0" [pid 5057] close(4 [pid 5705] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./31/file0" [pid 5705] <... mprotect resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5702] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5057] getdents64(3, [pid 5705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5702] <... openat resumed>) = 4 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5705] 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 5702] ioctl(4, LOOP_SET_FD, 3 [pid 5060] getdents64(3, [pid 5057] close(3./strace-static-x86_64: Process 5706 attached [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] <... close resumed>) = 0 [pid 5057] rmdir("./31") = 0 [pid 5057] mkdir("./32", 0777 [pid 5706] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5705] <... clone3 resumed> => {parent_tid=[5706]}, 88) = 5706 [pid 5060] close(3 [pid 5705] rt_sigprocmask(SIG_SETMASK, [], [pid 5057] <... mkdir resumed>) = 0 [pid 5706] <... rseq resumed>) = 0 [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] <... close resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5706] set_robust_list(0x7fecab0649a0, 24 [pid 5705] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] rmdir("./30" [pid 5057] <... openat resumed>) = 3 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] <... futex resumed>) = 0 [pid 5706] rt_sigprocmask(SIG_SETMASK, [], [pid 5705] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] <... rmdir resumed>) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5706] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] mkdir("./31", 0777 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5706] memfd_create("syzkaller", 0 [pid 5702] <... ioctl resumed>) = 0 [pid 5057] close(3 [pid 5706] <... memfd_create resumed>) = 3 [pid 5702] close(3 [pid 5060] <... mkdir resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5706] <... mmap resumed>) = 0x7feca2c44000 [pid 5702] <... close resumed>) = 0 [pid 5702] mkdir("./file0", 0777 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5702] <... mkdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5707 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] close(3) = 0 [pid 5702] mount("/dev/loop5", "./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./strace-static-x86_64: Process 5707 attached [pid 5707] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5707] chdir("./32") = 0 [pid 5707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5707] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5709 attached [ 113.512835][ T5702] loop5: detected capacity change from 0 to 8192 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5709 [pid 5058] <... umount2 resumed>) = 0 [pid 5709] set_robust_list(0x55555568a6a0, 24 [pid 5707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5709] <... set_robust_list resumed>) = 0 [pid 5709] chdir("./31" [pid 5707] <... openat resumed>) = 3 [pid 5058] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5709] <... chdir resumed>) = 0 [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5709] <... prctl resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./32/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5709] setpgid(0, 0 [pid 5058] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5709] <... setpgid resumed>) = 0 [pid 5707] write(3, "1000", 4 [pid 5058] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5707] <... write resumed>) = 4 [pid 5058] <... openat resumed>) = 4 [pid 5709] <... openat resumed>) = 3 [pid 5707] close(3 [pid 5058] newfstatat(4, "", [pid 5709] write(3, "1000", 4 [pid 5707] <... close resumed>) = 0 [pid 5709] <... write resumed>) = 4 [pid 5707] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5709] close(3 [pid 5707] <... symlink resumed>) = 0 [pid 5058] getdents64(4, [pid 5709] <... close resumed>) = 0 [pid 5707] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] symlink("/dev/binderfs", "./binderfs" [pid 5707] <... futex resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5709] <... symlink resumed>) = 0 [pid 5707] 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 5707] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5707] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5709] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] close(4 [pid 5707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... close resumed>) = 0 [pid 5707] <... mmap resumed>) = 0x7fecab044000 [pid 5709] <... futex resumed>) = 0 [pid 5706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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("./32/file0" [pid 5709] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [ 113.562979][ T5702] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5707] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5709] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5707] <... mprotect resumed>) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5707] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5707] 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=[5710]}, 88) = 5710 [pid 5707] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5707] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5707] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5710 attached [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] getdents64(3, [pid 5710] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5710] <... rseq resumed>) = 0 [pid 5709] <... mmap resumed>) = 0x7fecab044000 [pid 5058] close(3 [pid 5710] set_robust_list(0x7fecab0649a0, 24 [pid 5709] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5710] <... set_robust_list resumed>) = 0 [pid 5709] <... mprotect resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] rmdir("./32" [pid 5709] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5710] memfd_create("syzkaller", 0 [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5058] mkdir("./33", 0777./strace-static-x86_64: Process 5711 attached [pid 5710] <... memfd_create resumed>) = 3 [pid 5711] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5709] <... clone3 resumed> => {parent_tid=[5711]}, 88) = 5711 [pid 5058] <... mkdir resumed>) = 0 [pid 5711] <... rseq resumed>) = 0 [pid 5710] <... mmap resumed>) = 0x7feca2c44000 [pid 5709] rt_sigprocmask(SIG_SETMASK, [], [pid 5711] set_robust_list(0x7fecab0649a0, 24 [pid 5709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5704] <... write resumed>) = 4194304 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5709] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] munmap(0x7feca2c44000, 138412032 [pid 5709] <... futex resumed>) = 0 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5709] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... openat resumed>) = 3 [pid 5711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5711] memfd_create("syzkaller", 0) = 3 [pid 5704] <... munmap resumed>) = 0 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] close(3 [pid 5704] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5058] <... close resumed>) = 0 [ 113.613680][ T5702] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5704] <... openat resumed>) = 4 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5704] ioctl(4, LOOP_SET_FD, 3 [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5712 [pid 5704] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5712 attached [pid 5712] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5712] chdir("./33") = 0 [ 113.658793][ T5702] REISERFS (device loop5): using ordered data mode [ 113.675128][ T5704] loop4: detected capacity change from 0 to 8192 [ 113.686588][ T5702] reiserfs: using flush barriers [pid 5704] close(3 [pid 5711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5710] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5704] <... close resumed>) = 0 [pid 5712] <... prctl resumed>) = 0 [pid 5704] mkdir("./file0", 0777 [pid 5712] setpgid(0, 0) = 0 [pid 5704] <... mkdir resumed>) = 0 [pid 5712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5704] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5712] <... openat resumed>) = 3 [ 113.713280][ T5702] 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 [ 113.732656][ T5702] REISERFS (device loop5): checking transaction log (loop5) [ 113.742623][ T5702] REISERFS (device loop5): Using r5 hash to sort names [ 113.750505][ T5704] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5712] write(3, "1000", 4) = 4 [pid 5712] close(3) = 0 [pid 5712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5712] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5712] 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 5712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5712] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5712] 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=[5714]}, 88) = 5714 [pid 5712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5714 attached [pid 5712] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... write resumed>) = 4194304 [pid 5702] <... mount resumed>) = 0 [pid 5714] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5712] <... futex resumed>) = 0 [pid 5714] <... rseq resumed>) = 0 [pid 5712] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5714] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5714] memfd_create("syzkaller", 0 [ 113.763746][ T5704] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5702] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5714] <... memfd_create resumed>) = 3 [pid 5702] <... openat resumed>) = 3 [pid 5714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5702] chdir("./file0" [pid 5714] <... mmap resumed>) = 0x7feca2c44000 [pid 5702] <... chdir resumed>) = 0 [pid 5702] ioctl(4, LOOP_CLR_FD) = 0 [pid 5706] munmap(0x7feca2c44000, 138412032 [pid 5702] close(4 [pid 5711] <... write resumed>) = 4194304 [pid 5706] <... munmap resumed>) = 0 [pid 5702] <... close resumed>) = 0 [pid 5706] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5702] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... openat resumed>) = 4 [pid 5702] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5711] munmap(0x7feca2c44000, 138412032 [pid 5706] ioctl(4, LOOP_SET_FD, 3 [pid 5702] mkdir(".", 0777 [pid 5701] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5711] <... munmap resumed>) = 0 [pid 5702] <... mkdir resumed>) = -1 EEXIST (File exists) [ 113.808758][ T5704] REISERFS (device loop4): using ordered data mode [ 113.815719][ T5704] reiserfs: using flush barriers [ 113.834103][ T5706] loop2: detected capacity change from 0 to 8192 [ 113.840881][ T5704] 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 5701] <... futex resumed>) = 0 [pid 5702] 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 5701] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5711] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5706] <... ioctl resumed>) = 0 [pid 5711] ioctl(4, LOOP_SET_FD, 3 [pid 5706] close(3) = 0 [pid 5706] mkdir("./file0", 0777) = 0 [pid 5706] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5711] <... ioctl resumed>) = 0 [pid 5710] <... write resumed>) = 4194304 [pid 5711] close(3) = 0 [pid 5711] mkdir("./file0", 0777) = 0 [ 113.859319][ T5702] reiserfs: enabling write barrier flush mode [ 113.873063][ T5711] loop3: detected capacity change from 0 to 8192 [ 113.881239][ T5706] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5711] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5710] munmap(0x7feca2c44000, 138412032) = 0 [pid 5710] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 113.901398][ T5711] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 113.915239][ T5711] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 113.926468][ T5704] REISERFS (device loop4): checking transaction log (loop4) [ 113.934296][ T5706] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 113.948172][ T5710] loop0: detected capacity change from 0 to 8192 [pid 5710] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5710] close(3) = 0 [ 113.955900][ T5706] REISERFS (device loop2): using ordered data mode [ 113.962450][ T5706] reiserfs: using flush barriers [ 113.965209][ T5702] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 113.968543][ T5711] REISERFS (device loop3): using ordered data mode [ 113.983304][ T5711] reiserfs: using flush barriers [ 113.990040][ T5704] REISERFS (device loop4): Using r5 hash to sort names [pid 5710] mkdir("./file0", 0777 [pid 5714] <... write resumed>) = 4194304 [pid 5710] <... mkdir resumed>) = 0 [pid 5704] <... mount resumed>) = 0 [pid 5702] <... mount resumed>) = 0 [pid 5710] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5704] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5704] chdir("./file0") = 0 [pid 5704] ioctl(4, LOOP_CLR_FD) = 0 [pid 5704] close(4 [pid 5714] munmap(0x7feca2c44000, 138412032 [pid 5704] <... close resumed>) = 0 [pid 5702] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5714] <... munmap resumed>) = 0 [pid 5702] <... openat resumed>) = 4 [pid 5714] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5702] chdir("." [pid 5714] <... openat resumed>) = 4 [pid 5702] <... chdir resumed>) = 0 [ 113.998813][ T5711] 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 [ 114.001944][ T5706] 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 [ 114.016143][ T5711] REISERFS (device loop3): checking transaction log (loop3) [ 114.040915][ T5706] REISERFS (device loop2): checking transaction log (loop2) [ 114.041372][ T5711] REISERFS (device loop3): Using r5 hash to sort names [pid 5714] ioctl(4, LOOP_SET_FD, 3 [pid 5702] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... ioctl resumed>) = 0 [pid 5704] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... futex resumed>) = 1 [pid 5714] close(3 [pid 5704] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5702] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... futex resumed>) = 0 [pid 5714] <... close resumed>) = 0 [pid 5714] mkdir("./file0", 0777) = 0 [pid 5714] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5706] <... mount resumed>) = 0 [pid 5711] <... mount resumed>) = 0 [pid 5704] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5711] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5706] <... openat resumed>) = 3 [pid 5711] <... openat resumed>) = 3 [pid 5706] chdir("./file0") = 0 [pid 5706] ioctl(4, LOOP_CLR_FD) = 0 [pid 5706] close(4) = 0 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 1 [pid 5706] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] mkdir(".", 0777 [pid 5703] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5702] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5701] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5704] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5702] <... openat resumed>) = 5 [ 114.053182][ T5714] loop1: detected capacity change from 0 to 8192 [ 114.063776][ T5706] REISERFS (device loop2): Using r5 hash to sort names [ 114.064038][ T5710] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 114.085171][ T5714] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5706] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] 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 5702] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [ 114.109687][ T5704] reiserfs: enabling write barrier flush mode [ 114.110645][ T5714] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 114.126396][ T5714] REISERFS (device loop1): using ordered data mode [ 114.133852][ T5714] reiserfs: using flush barriers [ 114.140921][ T5710] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5702] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] chdir("./file0" [pid 5706] mkdir(".", 0777 [pid 5705] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] ftruncate(5, 100663296 [pid 5701] <... futex resumed>) = 0 [pid 5706] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5701] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] 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 5711] <... chdir resumed>) = 0 [pid 5711] ioctl(4, LOOP_CLR_FD) = 0 [ 114.141071][ T5714] 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 [ 114.150461][ T5710] REISERFS (device loop0): using ordered data mode [ 114.172967][ T5710] reiserfs: using flush barriers [ 114.178975][ T5706] reiserfs: enabling write barrier flush mode [ 114.189914][ T5714] REISERFS (device loop1): checking transaction log (loop1) [ 114.194627][ T5704] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5711] close(4) = 0 [pid 5702] <... ftruncate resumed>) = 0 [pid 5711] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5709] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5709] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5701] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5711] mkdir(".", 0777 [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5711] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5711] 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 5701] 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 5719 attached [ 114.197942][ T5710] 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 [ 114.230975][ T5706] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 114.234672][ T5711] reiserfs: enabling write barrier flush mode [ 114.242141][ T5714] REISERFS (device loop1): Using r5 hash to sort names [pid 5719] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5714] <... mount resumed>) = 0 [pid 5706] <... mount resumed>) = 0 [pid 5702] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... clone3 resumed> => {parent_tid=[5719]}, 88) = 5719 [pid 5719] <... rseq resumed>) = 0 [pid 5714] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5706] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5702] <... futex resumed>) = 0 [pid 5719] set_robust_list(0x7fecab0439a0, 24 [pid 5714] <... openat resumed>) = 3 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5702] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] <... openat resumed>) = 4 [pid 5719] rt_sigprocmask(SIG_SETMASK, [], [pid 5714] chdir("./file0" [pid 5710] <... mount resumed>) = 0 [pid 5704] <... mount resumed>) = 0 [pid 5701] rt_sigprocmask(SIG_SETMASK, [], [pid 5719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5706] chdir("." [pid 5704] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5704] <... openat resumed>) = 4 [pid 5701] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] chdir("." [pid 5701] <... futex resumed>) = 0 [pid 5704] <... chdir resumed>) = 0 [pid 5701] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5704] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5704] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5703] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... chdir resumed>) = 0 [pid 5704] <... openat resumed>) = 5 [pid 5719] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5714] ioctl(4, LOOP_CLR_FD [pid 5704] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... chdir resumed>) = 0 [pid 5710] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5714] <... ioctl resumed>) = 0 [pid 5711] <... mount resumed>) = 0 [pid 5706] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5719] <... openat resumed>) = 6 [pid 5714] close(4 [pid 5711] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5710] <... openat resumed>) = 3 [pid 5706] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5704] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5719] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... close resumed>) = 0 [pid 5711] <... openat resumed>) = 4 [pid 5710] chdir("./file0" [pid 5706] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... futex resumed>) = 0 [pid 5719] <... futex resumed>) = 1 [pid 5714] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] chdir("." [pid 5710] <... chdir resumed>) = 0 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... futex resumed>) = 0 [pid 5704] ftruncate(5, 100663296 [pid 5703] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] <... futex resumed>) = 0 [pid 5719] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5711] <... chdir resumed>) = 0 [pid 5710] ioctl(4, LOOP_CLR_FD [pid 5706] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5705] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5711] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... ioctl resumed>) = 0 [pid 5706] <... openat resumed>) = 5 [pid 5702] <... futex resumed>) = 0 [pid 5701] <... futex resumed>) = 1 [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 0 [pid 5711] <... futex resumed>) = 1 [pid 5710] close(4 [pid 5709] <... futex resumed>) = 0 [pid 5706] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5701] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] mkdir(".", 0777 [pid 5712] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5711] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] <... close resumed>) = 0 [pid 5709] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5714] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = 0 [pid 5706] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... ftruncate resumed>) = 0 [pid 5702] <... openat resumed>) = 7 [ 114.254899][ T5710] REISERFS (device loop0): checking transaction log (loop0) [ 114.265613][ T5710] REISERFS (device loop0): Using r5 hash to sort names [ 114.275936][ T5711] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5714] 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 5710] <... futex resumed>) = 1 [pid 5709] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] <... futex resumed>) = 0 [pid 5711] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... futex resumed>) = 0 [pid 5704] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] ftruncate(5, 100663296 [pid 5705] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... futex resumed>) = 1 [pid 5703] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... futex resumed>) = 0 [pid 5703] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] exit_group(0 [pid 5719] <... futex resumed>) = ? [pid 5703] <... futex resumed>) = 0 [pid 5702] <... futex resumed>) = ? [pid 5701] <... exit_group resumed>) = ? [pid 5719] +++ exited with 0 +++ [pid 5703] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] +++ exited with 0 +++ [pid 5701] +++ exited with 0 +++ [pid 5710] mkdir(".", 0777 [pid 5707] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5704] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5710] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5701, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5710] 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 5711] <... openat resumed>) = 5 [pid 5711] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] ftruncate(5, 100663296 [pid 5709] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 114.319903][ T5714] reiserfs: enabling write barrier flush mode [ 114.337234][ T5710] reiserfs: enabling write barrier flush mode [ 114.347161][ T5710] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5062] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5710] <... mount resumed>) = 0 [pid 5709] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... openat resumed>) = 6 [pid 5062] <... openat resumed>) = 3 [pid 5710] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5706] <... ftruncate resumed>) = 0 [pid 5705] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5705] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5703] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5703] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] <... futex resumed>) = 0 [pid 5062] newfstatat(3, "", [pid 5710] <... openat resumed>) = 4 [pid 5706] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... mmap resumed>) = 0x7fecab023000 [pid 5703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5710] chdir("." [pid 5706] <... futex resumed>) = 0 [pid 5705] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5703] <... mmap resumed>) = 0x7fecab023000 [pid 5710] <... chdir resumed>) = 0 [pid 5706] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... mprotect resumed>) = 0 [pid 5703] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5062] getdents64(3, [pid 5711] <... ftruncate resumed>) = 0 [pid 5710] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5704] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... mprotect resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5705] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5703] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5714] <... mount resumed>) = 0 [pid 5711] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5707] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] 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 5704] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5062] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] <... futex resumed>) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5703] 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 5721 attached ./strace-static-x86_64: Process 5720 attached [pid 5711] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5710] <... openat resumed>) = 5 [pid 5709] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5721] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5720] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5714] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] <... futex resumed>) = 0 [pid 5707] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... clone3 resumed> => {parent_tid=[5720]}, 88) = 5720 [pid 5703] <... clone3 resumed> => {parent_tid=[5721]}, 88) = 5721 [pid 5062] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5721] <... rseq resumed>) = 0 [pid 5720] <... rseq resumed>) = 0 [pid 5714] <... openat resumed>) = 4 [pid 5711] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5709] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] rt_sigprocmask(SIG_SETMASK, [], [pid 5703] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5721] set_robust_list(0x7fecab0439a0, 24 [pid 5720] set_robust_list(0x7fecab0439a0, 24 [pid 5714] chdir("." [pid 5705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5062] unlink("./31/binderfs" [pid 5721] <... set_robust_list resumed>) = 0 [pid 5720] <... set_robust_list resumed>) = 0 [pid 5714] <... chdir resumed>) = 0 [pid 5711] <... openat resumed>) = 6 [pid 5710] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... unlink resumed>) = 0 [pid 5721] rt_sigprocmask(SIG_SETMASK, [], [pid 5720] rt_sigprocmask(SIG_SETMASK, [], [pid 5714] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = 0 [pid 5062] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5705] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 0 [ 114.368989][ T5714] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5714] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5712] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5703] <... futex resumed>) = 0 [pid 5721] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5720] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5714] <... openat resumed>) = 5 [pid 5710] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... futex resumed>) = 0 [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5710] ftruncate(5, 100663296 [pid 5707] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 0 [pid 5714] ftruncate(5, 100663296 [pid 5712] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5709] <... futex resumed>) = 0 [pid 5711] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] <... openat resumed>) = 7 [pid 5714] <... ftruncate resumed>) = 0 [pid 5710] <... ftruncate resumed>) = 0 [pid 5709] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5709] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5711] <... futex resumed>) = 0 [pid 5711] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [pid 5714] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5711] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... futex resumed>) = 1 [pid 5720] <... openat resumed>) = 6 [pid 5714] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... futex resumed>) = 0 [pid 5721] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5712] <... futex resumed>) = 0 [pid 5710] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] exit_group(0 [pid 5712] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = ? [pid 5721] <... futex resumed>) = ? [pid 5720] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5703] <... exit_group resumed>) = ? [pid 5721] +++ exited with 0 +++ [pid 5720] <... futex resumed>) = 1 [pid 5710] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5707] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] +++ exited with 0 +++ [pid 5720] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5711] <... futex resumed>) = 1 [pid 5710] <... openat resumed>) = 6 [pid 5709] <... futex resumed>) = 0 [pid 5707] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = 0 [pid 5703] +++ exited with 0 +++ [pid 5709] exit_group(0 [pid 5707] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... exit_group resumed>) = ? [pid 5706] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = 1 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5703, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5706] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5705] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5711] +++ exited with 0 +++ [pid 5709] +++ exited with 0 +++ [pid 5706] <... openat resumed>) = 7 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5706] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5709, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5706] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5714] <... openat resumed>) = 6 [pid 5706] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] exit_group(0 [pid 5061] newfstatat(3, "", [pid 5060] <... restart_syscall resumed>) = 0 [pid 5720] <... futex resumed>) = ? [pid 5706] <... futex resumed>) = ? [pid 5705] <... exit_group resumed>) = ? [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5714] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5720] +++ exited with 0 +++ [pid 5706] +++ exited with 0 +++ [pid 5705] +++ exited with 0 +++ [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5061] getdents64(3, [pid 5712] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5705, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5714] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5712] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5061] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5712] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5714] <... openat resumed>) = 7 [pid 5710] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5707] <... futex resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5060] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5714] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5061] unlink("./32/binderfs" [pid 5060] newfstatat(3, "", [pid 5059] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5714] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5712] exit_group(0 [pid 5062] <... umount2 resumed>) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5714] <... futex resumed>) = ? [pid 5712] <... exit_group resumed>) = ? [pid 5710] <... openat resumed>) = 7 [pid 5062] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] getdents64(3, [pid 5059] newfstatat(3, "", [pid 5714] +++ exited with 0 +++ [pid 5712] +++ exited with 0 +++ [pid 5710] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5707] <... futex resumed>) = 0 [pid 5060] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] getdents64(3, [pid 5710] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] exit_group(0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5710] <... futex resumed>) = ? [pid 5707] <... exit_group resumed>) = ? [pid 5062] newfstatat(AT_FDCWD, "./31/file0", [pid 5060] newfstatat(AT_FDCWD, "./31/binderfs", [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5712, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5059] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5710] +++ exited with 0 +++ [pid 5707] +++ exited with 0 +++ [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] unlink("./31/binderfs" [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5707, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] <... unlink resumed>) = 0 [pid 5059] unlink("./32/binderfs" [pid 5058] <... openat resumed>) = 3 [pid 5057] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... unlink resumed>) = 0 [pid 5058] newfstatat(3, "", [pid 5059] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] getdents64(3, [pid 5057] <... openat resumed>) = 3 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5057] newfstatat(3, "", [pid 5058] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] getdents64(3, [pid 5062] <... openat resumed>) = 4 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] newfstatat(4, "", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5062] getdents64(4, [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] unlink("./33/binderfs" [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] getdents64(4, [pid 5058] <... unlink resumed>) = 0 [pid 5057] unlink("./32/binderfs" [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... unlink resumed>) = 0 [pid 5062] close(4 [pid 5057] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] <... close resumed>) = 0 [pid 5062] rmdir("./31/file0") = 0 [pid 5062] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./31") = 0 [pid 5062] mkdir("./32", 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 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555568a690) = 5722 ./strace-static-x86_64: Process 5722 attached [pid 5722] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5722] chdir("./32") = 0 [pid 5722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5722] setpgid(0, 0) = 0 [pid 5722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5722] write(3, "1000", 4) = 4 [pid 5722] close(3) = 0 [pid 5722] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5722] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5722] 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 5722] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5722] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5061] <... umount2 resumed>) = 0 [pid 5722] <... mprotect resumed>) = 0 [pid 5722] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5722] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} => {parent_tid=[5723]}, 88) = 5723 [pid 5722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5722] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5722] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5723 attached [pid 5723] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053) = 0 [pid 5723] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5723] memfd_create("syzkaller", 0) = 3 [pid 5723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5061] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] newfstatat(AT_FDCWD, "./32/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./32/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, [pid 5060] <... umount2 resumed>) = 0 [pid 5061] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] getdents64(4, [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] newfstatat(AT_FDCWD, "./31/file0", [pid 5061] close(4 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] rmdir("./32/file0" [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] <... rmdir resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5060] <... openat resumed>) = 4 [pid 5061] close(3 [pid 5060] newfstatat(4, "", [pid 5061] <... close resumed>) = 0 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5061] rmdir("./32" [pid 5060] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5060] getdents64(4, [pid 5061] <... rmdir resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5061] mkdir("./33", 0777 [pid 5060] close(4) = 0 [pid 5060] rmdir("./31/file0" [pid 5061] <... mkdir resumed>) = 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5060] getdents64(3, [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5060] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5060] close(3 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5060] <... close resumed>) = 0 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] rmdir("./31" [pid 5061] close(3 [pid 5060] <... rmdir resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5060] mkdir("./32", 0777 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... mkdir resumed>) = 0 [pid 5059] <... umount2 resumed>) = 0 [pid 5723] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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./strace-static-x86_64: Process 5725 attached [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... umount2 resumed>) = 0 [pid 5725] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5725 [pid 5060] <... openat resumed>) = 3 [pid 5725] chdir("./33" [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5725] <... chdir resumed>) = 0 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] close(3 [pid 5725] <... prctl resumed>) = 0 [pid 5725] setpgid(0, 0 [pid 5060] <... close resumed>) = 0 [pid 5058] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] newfstatat(AT_FDCWD, "./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5726 attached [pid 5725] <... setpgid resumed>) = 0 [pid 5059] newfstatat(AT_FDCWD, "./32/file0", [pid 5058] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5058] <... openat resumed>) = 4 [pid 5059] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] newfstatat(4, "", [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] getdents64(4, [pid 5059] <... openat resumed>) = 4 [pid 5058] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5059] newfstatat(4, "", [pid 5058] getdents64(4, [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5059] getdents64(4, [pid 5058] close(4 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] <... close resumed>) = 0 [pid 5059] getdents64(4, [pid 5058] rmdir("./33/file0" [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5726 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5726] set_robust_list(0x55555568a6a0, 24 [pid 5725] <... openat resumed>) = 3 [pid 5059] close(4 [pid 5058] getdents64(3, [pid 5059] <... close resumed>) = 0 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5059] rmdir("./32/file0" [pid 5058] close(3 [pid 5059] <... rmdir resumed>) = 0 [pid 5058] <... close resumed>) = 0 [pid 5059] getdents64(3, [pid 5058] rmdir("./33" [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5059] close(3 [pid 5058] mkdir("./34", 0777 [pid 5059] <... close resumed>) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5059] rmdir("./32") = 0 [pid 5726] <... set_robust_list resumed>) = 0 [pid 5725] write(3, "1000", 4 [pid 5059] mkdir("./33", 0777 [pid 5726] chdir("./32" [pid 5725] <... write resumed>) = 4 [pid 5059] <... mkdir resumed>) = 0 [pid 5726] <... chdir resumed>) = 0 [pid 5725] close(3 [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5057] <... umount2 resumed>) = 0 [pid 5726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5725] <... close resumed>) = 0 [pid 5726] <... prctl resumed>) = 0 [pid 5725] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5058] <... openat resumed>) = 3 [pid 5726] setpgid(0, 0 [pid 5725] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5726] <... setpgid resumed>) = 0 [pid 5725] <... futex resumed>) = 0 [pid 5058] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5058] close(3 [pid 5725] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] <... close resumed>) = 0 [pid 5726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5726] <... openat resumed>) = 3 [pid 5725] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5727 [pid 5057] newfstatat(AT_FDCWD, "./32/file0", ./strace-static-x86_64: Process 5727 attached [pid 5725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5726] write(3, "1000", 4 [pid 5727] set_robust_list(0x55555568a6a0, 24 [pid 5726] <... write resumed>) = 4 [pid 5727] <... set_robust_list resumed>) = 0 [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] close(3 [pid 5725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5727] chdir("./34" [pid 5726] <... close resumed>) = 0 [pid 5725] <... mmap resumed>) = 0x7fecab044000 [pid 5059] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5727] <... chdir resumed>) = 0 [pid 5726] symlink("/dev/binderfs", "./binderfs" [pid 5725] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5059] close(3 [pid 5727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] <... close resumed>) = 0 [pid 5727] <... prctl resumed>) = 0 [pid 5726] <... symlink resumed>) = 0 [pid 5725] <... mprotect resumed>) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5727] setpgid(0, 0 [pid 5726] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5727] <... setpgid resumed>) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5725] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5726] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5725] 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] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5729 attached ./strace-static-x86_64: Process 5728 attached [pid 5727] <... openat resumed>) = 3 [pid 5726] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] <... openat resumed>) = 4 [pid 5057] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5728] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5728] chdir("./33" [pid 5057] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5728] <... chdir resumed>) = 0 [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5728 [pid 5057] close(4 [pid 5728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... close resumed>) = 0 [pid 5728] <... prctl resumed>) = 0 [pid 5057] rmdir("./32/file0" [pid 5728] setpgid(0, 0 [pid 5057] <... rmdir resumed>) = 0 [pid 5728] <... setpgid resumed>) = 0 [pid 5057] getdents64(3, [pid 5729] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5727] write(3, "1000", 4 [pid 5726] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5725] <... clone3 resumed> => {parent_tid=[5729]}, 88) = 5729 [pid 5057] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5729] <... rseq resumed>) = 0 [pid 5727] <... write resumed>) = 4 [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5725] rt_sigprocmask(SIG_SETMASK, [], [pid 5729] set_robust_list(0x7fecab0649a0, 24 [pid 5727] close(3 [pid 5726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] <... set_robust_list resumed>) = 0 [pid 5728] <... openat resumed>) = 3 [pid 5727] <... close resumed>) = 0 [pid 5726] <... mmap resumed>) = 0x7fecab044000 [pid 5725] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] close(3 [pid 5729] rt_sigprocmask(SIG_SETMASK, [], [pid 5728] write(3, "1000", 4 [pid 5727] symlink("/dev/binderfs", "./binderfs" [pid 5726] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5725] <... futex resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5728] <... write resumed>) = 4 [pid 5726] <... mprotect resumed>) = 0 [pid 5057] rmdir("./32" [pid 5729] memfd_create("syzkaller", 0 [pid 5728] close(3 [pid 5727] <... symlink resumed>) = 0 [pid 5726] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5725] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] <... rmdir resumed>) = 0 [pid 5729] <... memfd_create resumed>) = 3 [pid 5728] <... close resumed>) = 0 [pid 5729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5728] symlink("/dev/binderfs", "./binderfs" [pid 5057] mkdir("./33", 0777 [pid 5729] <... mmap resumed>) = 0x7feca2c44000 [pid 5728] <... symlink resumed>) = 0 [pid 5727] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5726] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5057] <... mkdir resumed>) = 0 [pid 5726] 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 5730 attached [pid 5730] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5728] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5727] <... futex resumed>) = 0 [pid 5726] <... clone3 resumed> => {parent_tid=[5730]}, 88) = 5730 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5730] <... rseq resumed>) = 0 [pid 5726] rt_sigprocmask(SIG_SETMASK, [], [pid 5727] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5730] set_robust_list(0x7fecab0649a0, 24 [pid 5727] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5730] <... set_robust_list resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5726] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] rt_sigprocmask(SIG_SETMASK, [], [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5726] <... futex resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5728] <... futex resumed>) = 0 [pid 5727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5726] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5730] memfd_create("syzkaller", 0 [pid 5728] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5727] <... mmap resumed>) = 0x7fecab044000 [pid 5727] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5730] <... memfd_create resumed>) = 3 [pid 5728] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5728] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5057] close(3 [pid 5728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... close resumed>) = 0 [pid 5728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5728] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5728] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5728] 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] <... clone resumed>, child_tidptr=0x55555568a690) = 5731 ./strace-static-x86_64: Process 5732 attached [pid 5728] <... clone3 resumed> => {parent_tid=[5732]}, 88) = 5732 ./strace-static-x86_64: Process 5731 attached [pid 5732] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5728] rt_sigprocmask(SIG_SETMASK, [], [pid 5732] <... rseq resumed>) = 0 [pid 5731] set_robust_list(0x55555568a6a0, 24 [pid 5730] <... mmap resumed>) = 0x7feca2c44000 [pid 5728] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5728] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] set_robust_list(0x7fecab0649a0, 24 [pid 5731] <... set_robust_list resumed>) = 0 [pid 5728] <... futex resumed>) = 0 [pid 5732] <... set_robust_list resumed>) = 0 [pid 5731] chdir("./33" [pid 5728] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5731] <... chdir resumed>) = 0 [pid 5731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5731] setpgid(0, 0) = 0 [pid 5732] rt_sigprocmask(SIG_SETMASK, [], [pid 5731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5727] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5731] <... openat resumed>) = 3 [pid 5732] memfd_create("syzkaller", 0 [pid 5731] write(3, "1000", 4 [pid 5732] <... memfd_create resumed>) = 3 [pid 5731] <... write resumed>) = 4 [pid 5731] close(3) = 0 [pid 5731] symlink("/dev/binderfs", "./binderfs" [pid 5732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5731] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5733 attached [pid 5733] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5727] <... clone3 resumed> => {parent_tid=[5733]}, 88) = 5733 [pid 5733] <... rseq resumed>) = 0 [pid 5727] rt_sigprocmask(SIG_SETMASK, [], [pid 5733] set_robust_list(0x7fecab0649a0, 24 [pid 5727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5733] <... set_robust_list resumed>) = 0 [pid 5727] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] rt_sigprocmask(SIG_SETMASK, [], [pid 5727] <... futex resumed>) = 0 [pid 5733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5727] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5733] memfd_create("syzkaller", 0 [pid 5731] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... write resumed>) = 4194304 [pid 5733] <... memfd_create resumed>) = 3 [pid 5731] <... futex resumed>) = 0 [pid 5723] munmap(0x7feca2c44000, 138412032 [pid 5733] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5731] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5723] <... munmap resumed>) = 0 [pid 5733] <... mmap resumed>) = 0x7feca2c44000 [pid 5731] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5723] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5723] <... openat resumed>) = 4 [pid 5731] <... mmap resumed>) = 0x7fecab044000 [pid 5723] ioctl(4, LOOP_SET_FD, 3 [pid 5731] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5723] <... ioctl resumed>) = 0 [pid 5731] <... mprotect resumed>) = 0 [pid 5731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5731] <... clone3 resumed> => {parent_tid=[5734]}, 88) = 5734 [pid 5731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5734 attached [pid 5731] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5731] <... futex resumed>) = 0 [pid 5734] <... rseq resumed>) = 0 [pid 5731] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5734] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5734] memfd_create("syzkaller", 0) = 3 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5723] close(3) = 0 [pid 5723] mkdir("./file0", 0777) = 0 [ 115.017791][ T5723] loop5: detected capacity change from 0 to 8192 [pid 5723] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5733] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5730] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [ 115.067853][ T5723] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5732] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5730] <... write resumed>) = 4194304 [pid 5734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5730] munmap(0x7feca2c44000, 138412032) = 0 [pid 5730] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5730] ioctl(4, LOOP_SET_FD, 3 [pid 5732] <... write resumed>) = 4194304 [pid 5730] <... ioctl resumed>) = 0 [pid 5729] <... write resumed>) = 4194304 [pid 5732] munmap(0x7feca2c44000, 138412032 [pid 5730] close(3) = 0 [pid 5732] <... munmap resumed>) = 0 [pid 5730] mkdir("./file0", 0777 [pid 5732] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5732] ioctl(4, LOOP_SET_FD, 3 [pid 5730] <... mkdir resumed>) = 0 [ 115.147954][ T5723] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 115.178286][ T5730] loop3: detected capacity change from 0 to 8192 [ 115.184576][ T5723] REISERFS (device loop5): using ordered data mode [pid 5729] munmap(0x7feca2c44000, 138412032 [pid 5732] <... ioctl resumed>) = 0 [pid 5730] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5729] <... munmap resumed>) = 0 [pid 5732] close(3) = 0 [ 115.198213][ T5732] loop2: detected capacity change from 0 to 8192 [ 115.205037][ T5723] reiserfs: using flush barriers [ 115.214080][ T5723] 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 [ 115.215802][ T5730] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5732] mkdir("./file0", 0777 [pid 5733] <... write resumed>) = 4194304 [pid 5732] <... mkdir resumed>) = 0 [pid 5729] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5729] ioctl(4, LOOP_SET_FD, 3 [pid 5733] munmap(0x7feca2c44000, 138412032 [pid 5732] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5729] <... ioctl resumed>) = 0 [pid 5733] <... munmap resumed>) = 0 [pid 5729] close(3 [pid 5733] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5729] <... close resumed>) = 0 [pid 5723] <... mount resumed>) = 0 [pid 5729] mkdir("./file0", 0777) = 0 [pid 5729] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 115.250227][ T5723] REISERFS (device loop5): checking transaction log (loop5) [ 115.257171][ T5729] loop4: detected capacity change from 0 to 8192 [ 115.259796][ T5723] REISERFS (device loop5): Using r5 hash to sort names [ 115.275856][ T5730] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 115.287124][ T5732] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5733] ioctl(4, LOOP_SET_FD, 3 [pid 5734] <... write resumed>) = 4194304 [pid 5734] munmap(0x7feca2c44000, 138412032) = 0 [pid 5723] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5734] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5723] <... openat resumed>) = 3 [pid 5723] chdir("./file0" [pid 5734] ioctl(4, LOOP_SET_FD, 3 [pid 5723] <... chdir resumed>) = 0 [ 115.297673][ T5730] REISERFS (device loop3): using ordered data mode [ 115.300962][ T5733] loop1: detected capacity change from 0 to 8192 [ 115.306708][ T5730] reiserfs: using flush barriers [ 115.314523][ T5732] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 115.319429][ T5730] 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 [ 115.333472][ T5734] loop0: detected capacity change from 0 to 8192 [pid 5734] <... ioctl resumed>) = 0 [pid 5733] <... ioctl resumed>) = 0 [pid 5723] ioctl(4, LOOP_CLR_FD [pid 5734] close(3 [pid 5733] close(3 [pid 5723] <... ioctl resumed>) = 0 [pid 5734] <... close resumed>) = 0 [pid 5733] <... close resumed>) = 0 [pid 5723] close(4 [pid 5734] mkdir("./file0", 0777 [pid 5733] mkdir("./file0", 0777 [pid 5723] <... close resumed>) = 0 [pid 5723] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] <... mkdir resumed>) = 0 [pid 5723] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5734] <... mkdir resumed>) = 0 [pid 5723] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5722] <... futex resumed>) = 0 [pid 5723] mkdir(".", 0777 [pid 5722] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5723] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5723] 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 5734] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 115.345787][ T5732] REISERFS (device loop2): using ordered data mode [ 115.351338][ T5730] REISERFS (device loop3): checking transaction log (loop3) [ 115.364420][ T5729] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 115.379382][ T5723] reiserfs: enabling write barrier flush mode [ 115.385841][ T5730] REISERFS (device loop3): Using r5 hash to sort names [ 115.392002][ T5732] reiserfs: using flush barriers [ 115.399267][ T5734] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 115.413596][ T5733] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 115.415329][ T5729] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 115.427216][ T5723] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 115.435986][ T5729] REISERFS (device loop4): using ordered data mode [pid 5733] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5730] <... mount resumed>) = 0 [pid 5730] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5723] <... mount resumed>) = 0 [pid 5723] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5723] chdir(".") = 0 [pid 5723] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5723] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5722] <... futex resumed>) = 0 [ 115.448294][ T5732] 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 [ 115.457974][ T5729] reiserfs: using flush barriers [ 115.468546][ T5734] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 115.475148][ T5733] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 115.484778][ T5734] REISERFS (device loop0): using ordered data mode [pid 5722] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5723] <... futex resumed>) = 0 [pid 5722] <... futex resumed>) = 1 [pid 5723] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5722] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] <... openat resumed>) = 5 [pid 5723] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5722] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5722] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] ftruncate(5, 100663296) = 0 [pid 5730] chdir("./file0") = 0 [pid 5723] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] ioctl(4, LOOP_CLR_FD [pid 5723] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5730] <... ioctl resumed>) = 0 [pid 5723] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5722] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] close(4) = 0 [pid 5722] <... futex resumed>) = 0 [pid 5730] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5722] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... futex resumed>) = 1 [pid 5726] <... futex resumed>) = 0 [pid 5730] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5723] <... openat resumed>) = 6 [pid 5726] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5723] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] mkdir(".", 0777 [pid 5723] <... futex resumed>) = 1 [pid 5722] <... futex resumed>) = 0 [ 115.497948][ T5729] 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 [ 115.514998][ T5734] reiserfs: using flush barriers [ 115.516076][ T5732] REISERFS (device loop2): checking transaction log (loop2) [ 115.541694][ T5732] REISERFS (device loop2): Using r5 hash to sort names [pid 5730] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5722] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] 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 5723] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5722] <... futex resumed>) = 0 [pid 5732] <... mount resumed>) = 0 [pid 5726] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5723] <... openat resumed>) = 7 [pid 5722] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5723] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5722] <... futex resumed>) = 0 [pid 5722] exit_group(0) = ? [pid 5732] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5723] +++ exited with 0 +++ [pid 5722] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5722, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5732] <... openat resumed>) = 3 [ 115.550401][ T5729] REISERFS (device loop4): checking transaction log (loop4) [ 115.558421][ T5730] reiserfs: enabling write barrier flush mode [ 115.559358][ T5733] REISERFS (device loop1): using ordered data mode [ 115.570927][ T5734] 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 [ 115.572816][ T5729] REISERFS (device loop4): Using r5 hash to sort names [ 115.594841][ T5733] reiserfs: using flush barriers [pid 5732] chdir("./file0" [pid 5729] <... mount resumed>) = 0 [pid 5730] <... mount resumed>) = 0 [pid 5732] <... chdir resumed>) = 0 [pid 5729] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5730] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5730] chdir(".") = 0 [pid 5730] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5730] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] ioctl(4, LOOP_CLR_FD [pid 5729] <... openat resumed>) = 3 [pid 5726] <... futex resumed>) = 0 [pid 5062] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5732] <... ioctl resumed>) = 0 [pid 5729] chdir("./file0" [pid 5726] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5730] <... futex resumed>) = 0 [pid 5729] <... chdir resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5062] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5730] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000) = 5 [pid 5729] ioctl(4, LOOP_CLR_FD [pid 5726] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 3 [pid 5729] <... ioctl resumed>) = 0 [pid 5732] close(4 [pid 5062] newfstatat(3, "", [pid 5729] close(4 [pid 5730] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... close resumed>) = 0 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5730] <... futex resumed>) = 1 [pid 5730] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] getdents64(3, [pid 5726] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5726] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... futex resumed>) = 0 [pid 5730] <... futex resumed>) = 0 [pid 5729] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5726] <... futex resumed>) = 1 [pid 5725] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5730] ftruncate(5, 100663296) = 0 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5726] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] <... futex resumed>) = 0 [pid 5062] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5732] <... close resumed>) = 0 [pid 5732] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5729] mkdir(".", 0777 [pid 5728] <... futex resumed>) = 0 [pid 5725] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5728] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] newfstatat(AT_FDCWD, "./32/binderfs", [pid 5732] mkdir(".", 0777 [pid 5729] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5732] <... mkdir resumed>) = -1 EEXIST (File exists) [ 115.597165][ T5730] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 115.603528][ T5734] REISERFS (device loop0): checking transaction log (loop0) [ 115.612889][ T5733] 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 [ 115.627744][ T5734] REISERFS (device loop0): Using r5 hash to sort names [ 115.637866][ T5733] REISERFS (device loop1): checking transaction log (loop1) [pid 5729] 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 5728] <... futex resumed>) = 0 [pid 5730] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5732] 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] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./32/binderfs" [pid 5730] <... futex resumed>) = 1 [pid 5730] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] <... mount resumed>) = 0 [pid 5734] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5726] <... futex resumed>) = 0 [pid 5734] <... openat resumed>) = 3 [pid 5726] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] chdir("./file0" [pid 5730] <... futex resumed>) = 0 [pid 5726] <... futex resumed>) = 1 [pid 5734] <... chdir resumed>) = 0 [pid 5730] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5726] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] ioctl(4, LOOP_CLR_FD) = 0 [pid 5062] <... unlink resumed>) = 0 [pid 5062] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5734] close(4) = 0 [pid 5734] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5734] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 115.666716][ T5729] reiserfs: enabling write barrier flush mode [ 115.669280][ T5733] REISERFS (device loop1): Using r5 hash to sort names [ 115.680898][ T5732] reiserfs: enabling write barrier flush mode [ 115.692211][ T5729] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5731] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5731] <... futex resumed>) = 0 [pid 5734] mkdir(".", 0777 [pid 5731] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5734] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5730] <... openat resumed>) = 6 [pid 5734] 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 5733] <... mount resumed>) = 0 [pid 5732] <... mount resumed>) = 0 [pid 5730] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... mount resumed>) = 0 [pid 5730] <... futex resumed>) = 1 [pid 5726] <... futex resumed>) = 0 [pid 5730] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5726] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] <... openat resumed>) = 7 [pid 5726] <... futex resumed>) = 0 [ 115.710685][ T5732] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 115.723260][ T5734] reiserfs: enabling write barrier flush mode [pid 5734] <... mount resumed>) = 0 [pid 5733] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5732] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5730] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5726] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5730] <... futex resumed>) = 0 [pid 5729] <... openat resumed>) = 4 [pid 5726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5734] <... openat resumed>) = 4 [pid 5732] <... openat resumed>) = 4 [pid 5730] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5729] chdir("." [pid 5726] exit_group(0 [pid 5734] chdir("." [pid 5733] <... openat resumed>) = 3 [pid 5726] <... exit_group resumed>) = ? [pid 5730] <... futex resumed>) = ? [pid 5734] <... chdir resumed>) = 0 [pid 5734] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5734] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] <... futex resumed>) = 0 [pid 5733] chdir("./file0" [pid 5731] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5730] +++ exited with 0 +++ [pid 5729] <... chdir resumed>) = 0 [pid 5726] +++ exited with 0 +++ [pid 5733] <... chdir resumed>) = 0 [pid 5731] <... futex resumed>) = 1 [pid 5729] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5726, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5734] <... futex resumed>) = 0 [pid 5733] ioctl(4, LOOP_CLR_FD [pid 5732] chdir("." [pid 5731] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... futex resumed>) = 1 [pid 5725] <... futex resumed>) = 0 [pid 5060] <... restart_syscall resumed>) = 0 [pid 5734] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5732] <... chdir resumed>) = 0 [pid 5729] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5725] <... futex resumed>) = 0 [pid 5725] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] <... openat resumed>) = 5 [pid 5732] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5060] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5732] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5729] <... openat resumed>) = 5 [pid 5728] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5733] <... ioctl resumed>) = 0 [pid 5728] <... futex resumed>) = 0 [pid 5733] close(4 [pid 5732] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5728] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... openat resumed>) = 3 [pid 5733] <... close resumed>) = 0 [pid 5732] <... openat resumed>) = 5 [pid 5734] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] <... futex resumed>) = 1 [pid 5733] <... futex resumed>) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5725] <... futex resumed>) = 0 [pid 5734] ftruncate(5, 100663296 [pid 5733] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] newfstatat(3, "", [pid 5731] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5725] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 115.759919][ T5734] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5731] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5727] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5060] getdents64(3, [pid 5732] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... futex resumed>) = 0 [pid 5725] <... futex resumed>) = 1 [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5732] <... futex resumed>) = 1 [pid 5729] ftruncate(5, 100663296 [pid 5728] <... futex resumed>) = 0 [pid 5725] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5728] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5060] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5060] unlink("./32/binderfs") = 0 [pid 5060] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5728] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5732] ftruncate(5, 100663296 [pid 5733] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5733] 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 5732] <... ftruncate resumed>) = 0 [pid 5729] <... ftruncate resumed>) = 0 [pid 5734] <... ftruncate resumed>) = 0 [pid 5732] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5734] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5732] <... futex resumed>) = 1 [pid 5731] <... futex resumed>) = 0 [pid 5728] <... futex resumed>) = 0 [pid 5734] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5732] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5731] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5732] <... futex resumed>) = 0 [pid 5731] <... futex resumed>) = 1 [pid 5728] <... futex resumed>) = 1 [pid 5734] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5732] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5731] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5728] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5725] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5725] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5725] 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 5741 attached [pid 5741] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5729] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] <... clone3 resumed> => {parent_tid=[5741]}, 88) = 5741 [pid 5741] <... rseq resumed>) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5725] rt_sigprocmask(SIG_SETMASK, [], [ 115.804991][ T5733] reiserfs: enabling write barrier flush mode [pid 5741] set_robust_list(0x7fecab0439a0, 24) = 0 [pid 5732] <... openat resumed>) = 6 [pid 5729] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5725] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5741] rt_sigprocmask(SIG_SETMASK, [], [pid 5725] <... futex resumed>) = 0 [pid 5741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5725] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5741] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5734] <... openat resumed>) = 6 [pid 5732] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5728] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5732] <... futex resumed>) = 0 [pid 5731] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5728] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5732] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5731] <... futex resumed>) = 0 [pid 5741] <... openat resumed>) = 6 [pid 5734] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... openat resumed>) = 7 [pid 5731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5728] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5734] <... futex resumed>) = 0 [pid 5732] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... mmap resumed>) = 0x7fecab023000 [pid 5728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5741] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5732] <... futex resumed>) = 0 [pid 5731] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5728] exit_group(0 [pid 5741] <... futex resumed>) = 1 [pid 5731] <... mprotect resumed>) = 0 [pid 5725] <... futex resumed>) = 0 [pid 5728] <... exit_group resumed>) = ? [ 115.875361][ T5733] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5741] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5734] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... mount resumed>) = 0 [pid 5731] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5725] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5725] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5733] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5731] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5729] <... futex resumed>) = 0 [pid 5732] +++ exited with 0 +++ [pid 5731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5729] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5728] +++ exited with 0 +++ [pid 5733] <... openat resumed>) = 4 [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5728, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5733] chdir("." [pid 5059] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5742 attached [pid 5733] <... chdir resumed>) = 0 [pid 5729] <... openat resumed>) = 7 [pid 5742] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5733] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... clone3 resumed> => {parent_tid=[5742]}, 88) = 5742 [pid 5729] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] rt_sigprocmask(SIG_SETMASK, [], [pid 5733] <... futex resumed>) = 1 [pid 5731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5729] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5725] <... futex resumed>) = 0 [pid 5742] <... rseq resumed>) = 0 [pid 5733] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5731] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5725] exit_group(0 [pid 5059] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5742] set_robust_list(0x7fecab0439a0, 24 [pid 5741] <... futex resumed>) = ? [pid 5733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5731] <... futex resumed>) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5725] <... exit_group resumed>) = ? [pid 5742] <... set_robust_list resumed>) = 0 [pid 5741] +++ exited with 0 +++ [pid 5733] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5731] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5729] <... futex resumed>) = ? [pid 5727] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] rt_sigprocmask(SIG_SETMASK, [], [pid 5062] <... umount2 resumed>) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5742] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5059] <... openat resumed>) = 3 [pid 5742] <... openat resumed>) = 7 [pid 5733] <... openat resumed>) = 5 [pid 5059] newfstatat(3, "", [pid 5742] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5742] <... futex resumed>) = 1 [pid 5733] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5731] <... futex resumed>) = 0 [pid 5729] +++ exited with 0 +++ [pid 5725] +++ exited with 0 +++ [pid 5731] exit_group(0) = ? [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5725, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 5059] getdents64(3, [pid 5061] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] newfstatat(3, "", [pid 5059] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5742] +++ exited with 0 +++ [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] getdents64(3, [pid 5059] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5734] <... futex resumed>) = ? [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] unlink("./33/binderfs" [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... unlink resumed>) = 0 [pid 5061] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5059] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5734] +++ exited with 0 +++ [pid 5731] +++ exited with 0 +++ [pid 5061] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5733] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5061] unlink("./33/binderfs" [pid 5062] newfstatat(AT_FDCWD, "./32/file0", [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5731, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5727] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5061] <... unlink resumed>) = 0 [pid 5062] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] restart_syscall(<... resuming interrupted clone ...> [pid 5727] <... futex resumed>) = 0 [pid 5062] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] <... restart_syscall resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5733] ftruncate(5, 100663296 [pid 5727] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] <... openat resumed>) = 4 [pid 5061] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] newfstatat(4, "", [pid 5057] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [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 5733] <... ftruncate resumed>) = 0 [pid 5062] getdents64(4, [pid 5057] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... openat resumed>) = 3 [pid 5062] getdents64(4, [pid 5057] newfstatat(3, "", [pid 5062] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./32/file0") = 0 [pid 5057] getdents64(3, [pid 5062] getdents64(3, [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5062] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] close(3 [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... close resumed>) = 0 [pid 5057] newfstatat(AT_FDCWD, "./33/binderfs", [pid 5733] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5062] rmdir("./32" [pid 5060] <... umount2 resumed>) = 0 [pid 5733] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5727] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5062] <... rmdir resumed>) = 0 [pid 5057] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5727] <... futex resumed>) = 0 [pid 5057] unlink("./33/binderfs" [pid 5727] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5062] mkdir("./33", 0777 [pid 5057] <... unlink resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5060] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] newfstatat(AT_FDCWD, "./32/file0", [pid 5062] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5060] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5733] <... openat resumed>) = 6 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5060] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... openat resumed>) = 4 [pid 5060] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5733] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] getdents64(4, [pid 5733] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5060] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5727] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5727] <... futex resumed>) = 0 [pid 5060] getdents64(4, [pid 5727] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5060] close(4) = 0 [pid 5060] rmdir("./32/file0"./strace-static-x86_64: Process 5743 attached [pid 5743] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5743] chdir("./33" [pid 5060] <... rmdir resumed>) = 0 [pid 5060] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x55555568a690) = 5743 [pid 5060] close(3) = 0 [pid 5060] rmdir("./32" [pid 5743] <... chdir resumed>) = 0 [pid 5743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5743] setpgid(0, 0 [pid 5060] <... rmdir resumed>) = 0 [pid 5743] <... setpgid resumed>) = 0 [pid 5743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] mkdir("./33", 0777 [pid 5743] <... openat resumed>) = 3 [pid 5743] write(3, "1000", 4) = 4 [pid 5743] close(3) = 0 [pid 5733] <... openat resumed>) = 7 [pid 5060] <... mkdir resumed>) = 0 [pid 5743] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5743] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5743] 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 5743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5743] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5733] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] <... umount2 resumed>) = 0 [pid 5743] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5733] <... futex resumed>) = 1 [pid 5727] <... futex resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5733] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5727] exit_group(0 [pid 5059] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5743] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5733] <... futex resumed>) = ? [pid 5727] <... exit_group resumed>) = ? [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5743] 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 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5744 attached [pid 5059] newfstatat(AT_FDCWD, "./33/file0", [pid 5743] <... clone3 resumed> => {parent_tid=[5744]}, 88) = 5744 [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5744] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5743] rt_sigprocmask(SIG_SETMASK, [], [pid 5733] +++ exited with 0 +++ [pid 5727] +++ exited with 0 +++ [pid 5060] close(3 [pid 5061] <... umount2 resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5727, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5744] <... rseq resumed>) = 0 [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5744] set_robust_list(0x7fecab0649a0, 24 [pid 5743] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5745 attached [pid 5744] <... set_robust_list resumed>) = 0 [pid 5743] <... futex resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x55555568a690) = 5745 [pid 5059] <... openat resumed>) = 4 [pid 5058] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5745] set_robust_list(0x55555568a6a0, 24 [pid 5061] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5745] <... set_robust_list resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5745] chdir("./33" [pid 5743] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] newfstatat(AT_FDCWD, "./33/file0", [pid 5059] newfstatat(4, "", [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5744] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5058] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5744] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5059] getdents64(4, [pid 5058] <... openat resumed>) = 3 [pid 5744] memfd_create("syzkaller", 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 2 entries */, 32768) = 48 [pid 5058] newfstatat(3, "", [pid 5744] <... memfd_create resumed>) = 3 [pid 5059] getdents64(4, [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] getdents64(3, [pid 5744] <... mmap resumed>) = 0x7feca2c44000 [pid 5059] close(4 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5059] <... close resumed>) = 0 [pid 5058] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] rmdir("./33/file0" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... rmdir resumed>) = 0 [pid 5058] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5059] getdents64(3, [pid 5058] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5058] unlink("./34/binderfs" [pid 5059] close(3 [pid 5058] <... unlink resumed>) = 0 [pid 5059] <... close resumed>) = 0 [pid 5058] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5745] <... chdir resumed>) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5059] rmdir("./33" [pid 5745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5745] <... prctl resumed>) = 0 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... rmdir resumed>) = 0 [pid 5745] setpgid(0, 0 [pid 5061] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5059] mkdir("./34", 0777 [pid 5745] <... setpgid resumed>) = 0 [pid 5745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... openat resumed>) = 4 [pid 5059] <... mkdir resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] newfstatat(4, "", [pid 5059] <... openat resumed>) = 3 [pid 5059] ioctl(3, LOOP_CLR_FD [pid 5745] <... openat resumed>) = 3 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... ioctl resumed>) = -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 [pid 5061] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5746 attached [pid 5745] write(3, "1000", 4 [pid 5061] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5745] <... write resumed>) = 4 [pid 5061] close(4 [pid 5745] close(3 [pid 5061] <... close resumed>) = 0 [pid 5745] <... close resumed>) = 0 [pid 5061] rmdir("./33/file0" [pid 5745] symlink("/dev/binderfs", "./binderfs" [pid 5059] <... clone resumed>, child_tidptr=0x55555568a690) = 5746 [pid 5746] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5745] <... symlink resumed>) = 0 [pid 5746] chdir("./34" [pid 5745] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... chdir resumed>) = 0 [pid 5061] <... rmdir resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5745] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5061] getdents64(3, [pid 5745] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5061] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] close(3 [pid 5745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5061] <... close resumed>) = 0 [pid 5746] <... prctl resumed>) = 0 [pid 5745] <... mmap resumed>) = 0x7fecab044000 [pid 5746] setpgid(0, 0 [pid 5745] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5746] <... setpgid resumed>) = 0 [pid 5746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5745] <... mprotect resumed>) = 0 [pid 5745] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5746] write(3, "1000", 4 [pid 5745] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5061] rmdir("./33" [pid 5745] 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] <... rmdir resumed>) = 0 [pid 5746] <... write resumed>) = 4 ./strace-static-x86_64: Process 5747 attached [pid 5746] close(3 [pid 5745] <... clone3 resumed> => {parent_tid=[5747]}, 88) = 5747 [pid 5061] mkdir("./34", 0777 [pid 5747] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5746] <... close resumed>) = 0 [pid 5745] rt_sigprocmask(SIG_SETMASK, [], [pid 5061] <... mkdir resumed>) = 0 [pid 5747] <... rseq resumed>) = 0 [pid 5745] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] symlink("/dev/binderfs", "./binderfs" [pid 5747] set_robust_list(0x7fecab0649a0, 24 [pid 5746] <... symlink resumed>) = 0 [pid 5745] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5747] <... set_robust_list resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5747] rt_sigprocmask(SIG_SETMASK, [], [pid 5746] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5061] <... openat resumed>) = 3 [pid 5747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5746] <... futex resumed>) = 0 [pid 5746] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5747] memfd_create("syzkaller", 0 [pid 5746] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5747] <... memfd_create resumed>) = 3 [pid 5746] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5747] <... mmap resumed>) = 0x7feca2c44000 [pid 5746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5744] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] ioctl(3, LOOP_CLR_FD [pid 5746] <... mmap resumed>) = 0x7fecab044000 [pid 5746] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5746] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5057] <... umount2 resumed>) = 0 [pid 5746] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab064990, parent_tid=0x7fecab064990, exit_signal=0, stack=0x7fecab044000, stack_size=0x20300, tls=0x7fecab0646c0} [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5748 attached [pid 5746] <... clone3 resumed> => {parent_tid=[5748]}, 88) = 5748 [pid 5061] close(3 [pid 5746] rt_sigprocmask(SIG_SETMASK, [], [pid 5748] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5061] <... close resumed>) = 0 [pid 5748] <... rseq resumed>) = 0 [pid 5746] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5746] <... futex resumed>) = 0 [pid 5746] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5748] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x55555568a690) = 5749 [pid 5748] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5749 attached NULL, 8) = 0 [pid 5749] set_robust_list(0x55555568a6a0, 24 [pid 5748] memfd_create("syzkaller", 0 [pid 5749] <... set_robust_list resumed>) = 0 [pid 5748] <... memfd_create resumed>) = 3 [pid 5748] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5057] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] newfstatat(AT_FDCWD, "./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5749] chdir("./34" [pid 5057] <... openat resumed>) = 4 [pid 5749] <... chdir resumed>) = 0 [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 5057] getdents64(4, 0x555555693770 /* 0 entries */, 32768) = 0 [pid 5057] close(4) = 0 [pid 5057] rmdir("./33/file0") = 0 [pid 5057] getdents64(3, 0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5057] rmdir("./33" [pid 5749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... rmdir resumed>) = 0 [pid 5057] mkdir("./34", 0777) = 0 [pid 5749] <... prctl resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5749] setpgid(0, 0 [pid 5747] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5058] <... umount2 resumed>) = 0 [pid 5749] <... setpgid resumed>) = 0 [pid 5058] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5749] <... openat resumed>) = 3 [pid 5058] newfstatat(AT_FDCWD, "./34/file0", [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5749] write(3, "1000", 4) = 4 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5749] close(3 [pid 5058] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5749] <... close resumed>) = 0 [pid 5749] symlink("/dev/binderfs", "./binderfs" [pid 5058] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] close(3 [pid 5058] <... openat resumed>) = 4 [pid 5749] <... symlink resumed>) = 0 [pid 5058] newfstatat(4, "", [pid 5057] <... close resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5749] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] getdents64(4, 0x555555693770 /* 2 entries */, 32768) = 48 [pid 5057] <... clone resumed>, child_tidptr=0x55555568a690) = 5750 [pid 5058] getdents64(4, [pid 5749] <... futex resumed>) = 0 [pid 5058] <... getdents64 resumed>0x555555693770 /* 0 entries */, 32768) = 0 [pid 5058] close(4./strace-static-x86_64: Process 5750 attached [pid 5749] rt_sigaction(SIGRT_1, {sa_handler=0x7fecab0ce420, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fecab0bf5d0}, [pid 5058] <... close resumed>) = 0 [pid 5749] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5058] rmdir("./34/file0" [pid 5749] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5750] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5750] chdir("./34" [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5058] <... rmdir resumed>) = 0 [pid 5750] <... chdir resumed>) = 0 [pid 5749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5058] getdents64(3, [pid 5750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5749] <... mmap resumed>) = 0x7fecab044000 [pid 5058] <... getdents64 resumed>0x55555568b730 /* 0 entries */, 32768) = 0 [pid 5750] setpgid(0, 0 [pid 5058] close(3 [pid 5750] <... setpgid resumed>) = 0 [pid 5750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] <... close resumed>) = 0 [pid 5750] <... openat resumed>) = 3 [pid 5058] rmdir("./34" [pid 5750] write(3, "1000", 4) = 4 [pid 5750] close(3) = 0 [pid 5749] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5058] <... rmdir resumed>) = 0 [pid 5750] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5058] mkdir("./35", 0777 [pid 5750] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5750] 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 5750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5058] <... mkdir resumed>) = 0 [pid 5750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5749] <... mprotect resumed>) = 0 [pid 5750] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE [pid 5744] <... write resumed>) = 4194304 [pid 5750] <... mprotect resumed>) = 0 [pid 5749] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5058] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5750] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5749] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5750] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5749] 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 5744] munmap(0x7feca2c44000, 138412032 [pid 5058] <... openat resumed>) = 3 [pid 5750] 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 5744] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5751 attached [pid 5058] ioctl(3, LOOP_CLR_FD [pid 5751] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5749] <... clone3 resumed> => {parent_tid=[5751]}, 88) = 5751 [pid 5748] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5752 attached [pid 5751] <... rseq resumed>) = 0 [pid 5750] <... clone3 resumed> => {parent_tid=[5752]}, 88) = 5752 [pid 5749] rt_sigprocmask(SIG_SETMASK, [], [pid 5058] close(3 [pid 5752] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5751] set_robust_list(0x7fecab0649a0, 24 [pid 5750] rt_sigprocmask(SIG_SETMASK, [], [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5744] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5058] <... close resumed>) = 0 [pid 5752] <... rseq resumed>) = 0 [pid 5752] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5752] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5752] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5750] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... openat resumed>) = 4 [pid 5752] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = 1 [pid 5744] ioctl(4, LOOP_SET_FD, 3 [pid 5752] memfd_create("syzkaller", 0 [pid 5751] <... set_robust_list resumed>) = 0 [pid 5749] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5752] <... memfd_create resumed>) = 3 [pid 5752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [pid 5750] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5751] rt_sigprocmask(SIG_SETMASK, [], [pid 5749] <... futex resumed>) = 0 [pid 5751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5749] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5058] <... clone resumed>, child_tidptr=0x55555568a690) = 5753 [pid 5751] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5753 attached ) = 3 [pid 5753] set_robust_list(0x55555568a6a0, 24) = 0 [pid 5751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5753] chdir("./35" [pid 5751] <... mmap resumed>) = 0x7feca2c44000 [pid 5753] <... chdir resumed>) = 0 [pid 5744] <... ioctl resumed>) = 0 [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5744] close(3 [pid 5753] <... prctl resumed>) = 0 [pid 5744] <... close resumed>) = 0 [pid 5744] mkdir("./file0", 0777) = 0 [pid 5753] setpgid(0, 0) = 0 [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5744] mount("/dev/loop5", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5753] <... openat resumed>) = 3 [pid 5753] write(3, "1000", 4) = 4 [pid 5753] close(3) = 0 [pid 5753] symlink("/dev/binderfs", "./binderfs" [pid 5747] <... write resumed>) = 4194304 [pid 5753] <... symlink resumed>) = 0 [pid 5753] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] 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 [ 116.410102][ T5744] loop5: detected capacity change from 0 to 8192 [pid 5753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab044000 [pid 5753] mprotect(0x7fecab045000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5753] 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 5747] munmap(0x7feca2c44000, 138412032 [pid 5752] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5747] <... munmap resumed>) = 0 [pid 5747] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5753] <... clone3 resumed> => {parent_tid=[5755]}, 88) = 5755 [pid 5747] <... openat resumed>) = 4 [pid 5747] ioctl(4, LOOP_SET_FD, 3 [pid 5753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5755 attached [pid 5753] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] rseq(0x7fecab064fe0, 0x20, 0, 0x53053053 [pid 5753] <... futex resumed>) = 0 [pid 5755] <... rseq resumed>) = 0 [pid 5753] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5755] set_robust_list(0x7fecab0649a0, 24) = 0 [pid 5755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5755] memfd_create("syzkaller", 0) = 3 [pid 5755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feca2c44000 [ 116.460071][ T5744] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.488266][ T5747] loop3: detected capacity change from 0 to 8192 [pid 5751] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5747] <... ioctl resumed>) = 0 [pid 5747] close(3) = 0 [pid 5747] mkdir("./file0", 0777 [pid 5748] <... write resumed>) = 4194304 [pid 5747] <... mkdir resumed>) = 0 [pid 5747] mount("/dev/loop3", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [ 116.509546][ T5744] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 116.534066][ T5747] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5748] munmap(0x7feca2c44000, 138412032 [pid 5755] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5748] <... munmap resumed>) = 0 [pid 5748] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 116.554977][ T5744] REISERFS (device loop5): using ordered data mode [ 116.561524][ T5744] reiserfs: using flush barriers [ 116.575643][ T5748] loop2: detected capacity change from 0 to 8192 [ 116.577773][ T5747] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5748] ioctl(4, LOOP_SET_FD, 3 [pid 5752] <... write resumed>) = 4194304 [pid 5748] <... ioctl resumed>) = 0 [pid 5748] close(3) = 0 [pid 5748] mkdir("./file0", 0777) = 0 [pid 5752] munmap(0x7feca2c44000, 138412032 [pid 5748] mount("/dev/loop2", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5752] <... munmap resumed>) = 0 [pid 5752] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5744] <... mount resumed>) = 0 [ 116.605364][ T5744] 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 [ 116.622578][ T5744] REISERFS (device loop5): checking transaction log (loop5) [ 116.634316][ T5748] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.635126][ T5744] REISERFS (device loop5): Using r5 hash to sort names [ 116.652744][ T5747] REISERFS (device loop3): using ordered data mode [pid 5752] ioctl(4, LOOP_SET_FD, 3 [pid 5744] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5744] chdir("./file0") = 0 [pid 5751] <... write resumed>) = 4194304 [pid 5744] ioctl(4, LOOP_CLR_FD [pid 5752] <... ioctl resumed>) = 0 [pid 5751] munmap(0x7feca2c44000, 138412032 [pid 5744] <... ioctl resumed>) = 0 [pid 5752] close(3 [pid 5751] <... munmap resumed>) = 0 [ 116.662727][ T5752] loop0: detected capacity change from 0 to 8192 [ 116.673299][ T5748] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 116.682376][ T5747] reiserfs: using flush barriers [ 116.685506][ T5748] REISERFS (device loop2): using ordered data mode [ 116.694622][ T5748] reiserfs: using flush barriers [pid 5744] close(4 [pid 5752] <... close resumed>) = 0 [pid 5751] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5744] <... close resumed>) = 0 [pid 5744] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] mkdir("./file0", 0777 [pid 5751] <... openat resumed>) = 4 [pid 5752] <... mkdir resumed>) = 0 [pid 5751] ioctl(4, LOOP_SET_FD, 3 [pid 5744] <... futex resumed>) = 1 [pid 5743] <... futex resumed>) = 0 [pid 5743] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5743] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5744] mkdir(".", 0777 [pid 5752] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5751] <... ioctl resumed>) = 0 [pid 5744] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5755] <... write resumed>) = 4194304 [pid 5751] close(3 [pid 5748] <... mount resumed>) = 0 [ 116.701513][ T5748] 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 [ 116.720819][ T5748] REISERFS (device loop2): checking transaction log (loop2) [ 116.728687][ T5751] loop4: detected capacity change from 0 to 8192 [ 116.737864][ T5748] REISERFS (device loop2): Using r5 hash to sort names [ 116.741115][ T5747] 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 5744] 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 5755] munmap(0x7feca2c44000, 138412032 [pid 5751] <... close resumed>) = 0 [pid 5748] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5755] <... munmap resumed>) = 0 [pid 5751] mkdir("./file0", 0777 [pid 5748] <... openat resumed>) = 3 [pid 5755] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5751] <... mkdir resumed>) = 0 [pid 5748] chdir("./file0" [pid 5751] mount("/dev/loop4", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5755] <... openat resumed>) = 4 [pid 5748] <... chdir resumed>) = 0 [pid 5748] ioctl(4, LOOP_CLR_FD [pid 5755] ioctl(4, LOOP_SET_FD, 3 [pid 5747] <... mount resumed>) = 0 [pid 5747] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5747] chdir("./file0") = 0 [pid 5747] ioctl(4, LOOP_CLR_FD) = 0 [pid 5747] close(4) = 0 [pid 5747] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5745] <... futex resumed>) = 0 [pid 5745] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5745] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5747] mkdir(".", 0777) = -1 EEXIST (File exists) [ 116.754987][ T5744] reiserfs: enabling write barrier flush mode [ 116.762428][ T5747] REISERFS (device loop3): checking transaction log (loop3) [ 116.768581][ T5752] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.782772][ T5744] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 116.789085][ T5747] REISERFS (device loop3): Using r5 hash to sort names [ 116.806606][ T5755] loop1: detected capacity change from 0 to 8192 [pid 5747] 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 5755] <... ioctl resumed>) = 0 [pid 5748] <... ioctl resumed>) = 0 [pid 5755] close(3 [pid 5748] close(4 [pid 5744] <... mount resumed>) = 0 [pid 5744] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5744] chdir(".") = 0 [pid 5744] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5744] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] <... futex resumed>) = 0 [pid 5743] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5744] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5743] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5744] <... openat resumed>) = 5 [pid 5744] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5744] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5748] <... close resumed>) = 0 [pid 5743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5743] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5743] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5748] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] mkdir(".", 0777 [pid 5746] <... futex resumed>) = 0 [pid 5748] <... mkdir resumed>) = -1 EEXIST (File exists) [ 116.809833][ T5747] reiserfs: enabling write barrier flush mode [ 116.819574][ T5752] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 116.830571][ T5752] REISERFS (device loop0): using ordered data mode [ 116.839045][ T5751] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.847347][ T5752] reiserfs: using flush barriers [pid 5748] 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 5755] <... close resumed>) = 0 [pid 5755] mkdir("./file0", 0777) = 0 [pid 5746] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 116.860760][ T5748] reiserfs: enabling write barrier flush mode [ 116.862904][ T5751] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 116.868383][ T5747] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 116.878808][ T5751] REISERFS (device loop4): using ordered data mode [ 116.886068][ T5752] 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 [ 116.894872][ T5751] reiserfs: using flush barriers [pid 5755] mount("/dev/loop1", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "" [pid 5744] <... futex resumed>) = 0 [pid 5744] ftruncate(5, 100663296 [pid 5743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5744] <... ftruncate resumed>) = 0 [ 116.913933][ T5755] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 116.929534][ T5751] 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 [ 116.946541][ T5748] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5743] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... mount resumed>) = 0 [pid 5744] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... futex resumed>) = 0 [pid 5744] <... futex resumed>) = 0 [pid 5743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5744] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5743] <... mmap resumed>) = 0x7fecab023000 [pid 5748] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5743] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5747] <... mount resumed>) = 0 [pid 5743] <... mprotect resumed>) = 0 [pid 5743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5747] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5743] 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 5747] <... openat resumed>) = 4 [pid 5747] chdir(".") = 0 [pid 5747] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5745] <... futex resumed>) = 0 [pid 5751] <... mount resumed>) = 0 [pid 5747] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5745] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5747] <... openat resumed>) = 5 [pid 5745] <... futex resumed>) = 0 [pid 5751] <... openat resumed>) = 3 [pid 5747] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5751] chdir("./file0" [pid 5747] <... futex resumed>) = 0 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 116.953855][ T5755] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 116.960496][ T5751] REISERFS (device loop4): checking transaction log (loop4) [ 116.976365][ T5755] REISERFS (device loop1): using ordered data mode [ 116.982962][ T5751] REISERFS (device loop4): Using r5 hash to sort names [ 116.991927][ T5755] reiserfs: using flush barriers [ 116.999365][ T5752] REISERFS (device loop0): checking transaction log (loop0) ./strace-static-x86_64: Process 5761 attached [pid 5751] <... chdir resumed>) = 0 [pid 5748] <... openat resumed>) = 4 [pid 5747] ftruncate(5, 100663296 [pid 5745] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] <... clone3 resumed> => {parent_tid=[5761]}, 88) = 5761 [pid 5748] chdir("." [pid 5743] rt_sigprocmask(SIG_SETMASK, [], [pid 5748] <... chdir resumed>) = 0 [pid 5743] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5748] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5743] <... futex resumed>) = 0 [pid 5748] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5746] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5743] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] <... openat resumed>) = 5 [pid 5746] <... futex resumed>) = 0 [pid 5746] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... futex resumed>) = 0 [pid 5746] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5746] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5748] <... futex resumed>) = 1 [pid 5761] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5751] ioctl(4, LOOP_CLR_FD [pid 5747] <... ftruncate resumed>) = 0 [pid 5745] <... futex resumed>) = 0 [pid 5748] ftruncate(5, 100663296 [pid 5761] <... rseq resumed>) = 0 [pid 5752] <... mount resumed>) = 0 [pid 5751] <... ioctl resumed>) = 0 [pid 5747] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] set_robust_list(0x7fecab0439a0, 24 [pid 5752] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5751] close(4 [pid 5747] <... futex resumed>) = 0 [pid 5745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] <... set_robust_list resumed>) = 0 [pid 5752] <... openat resumed>) = 3 [pid 5751] <... close resumed>) = 0 [pid 5748] <... ftruncate resumed>) = 0 [pid 5745] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5747] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5761] rt_sigprocmask(SIG_SETMASK, [], [pid 5751] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... futex resumed>) = 0 [pid 5748] <... futex resumed>) = 1 [pid 5746] <... futex resumed>) = 0 [pid 5748] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5746] <... futex resumed>) = 0 [pid 5748] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5746] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5745] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5751] <... futex resumed>) = 1 [pid 5749] <... futex resumed>) = 0 [ 117.004703][ T5755] 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 [ 117.023900][ T5755] REISERFS (device loop1): checking transaction log (loop1) [ 117.032118][ T5752] REISERFS (device loop0): Using r5 hash to sort names [pid 5761] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5752] chdir("./file0" [pid 5751] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5749] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5743] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5744] <... futex resumed>) = 0 [pid 5743] <... futex resumed>) = 1 [pid 5744] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5743] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... mount resumed>) = 0 [pid 5752] <... chdir resumed>) = 0 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5749] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5752] ioctl(4, LOOP_CLR_FD [pid 5751] mkdir(".", 0777 [pid 5755] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5752] <... ioctl resumed>) = 0 [pid 5751] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5747] <... openat resumed>) = 6 [pid 5755] <... openat resumed>) = 3 [pid 5752] close(4 [pid 5751] 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 5755] chdir("./file0" [pid 5752] <... close resumed>) = 0 [pid 5747] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5752] mkdir(".", 0777 [pid 5750] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5750] <... futex resumed>) = 0 [pid 5752] 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 5750] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5745] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 117.065556][ T5755] REISERFS (device loop1): Using r5 hash to sort names [ 117.076731][ T5744] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 1 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 117.077605][ T5751] reiserfs: enabling write barrier flush mode [ 117.092640][ T5744] REISERFS error (device loop5): vs-5150 search_by_key: invalid format found in block 565. Fsck? [ 117.106181][ T5752] reiserfs: enabling write barrier flush mode [pid 5755] <... chdir resumed>) = 0 [pid 5747] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5745] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] ioctl(4, LOOP_CLR_FD [pid 5747] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5745] <... futex resumed>) = 0 [pid 5743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5745] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... ioctl resumed>) = 0 [pid 5747] <... openat resumed>) = 7 [pid 5746] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5748] <... openat resumed>) = 6 [pid 5748] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 117.115165][ T5744] REISERFS (device loop5): Remounting filesystem read-only [ 117.122698][ T5744] REISERFS error (device loop5): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 117.137601][ T5761] ------------[ cut here ]------------ [ 117.143583][ T5761] WARNING: CPU: 1 PID: 5761 at fs/reiserfs/journal.c:3394 journal_end+0x1fb/0x2c0 [ 117.153026][ T5761] Modules linked in: [pid 5748] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5745] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 117.157362][ T5761] CPU: 1 PID: 5761 Comm: syz-executor283 Not tainted 6.6.0-syzkaller-14263-gaea6bf908d73 #0 [ 117.163172][ T5752] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 117.167493][ T5761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 117.167533][ T5761] RIP: 0010:journal_end+0x1fb/0x2c0 [ 117.167575][ T5761] Code: 4b a1 b0 ff 48 b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 0f 85 a1 00 00 00 c7 45 00 00 00 00 00 eb 30 e8 b5 7c 54 ff <0f> 0b b8 fb ff ff ff eb 24 e8 a7 7c 54 ff 4c 89 f7 31 f6 48 83 c4 [pid 5755] close(4 [ 117.200293][ T5751] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 117.211763][ T5761] RSP: 0018:ffffc9000350f498 EFLAGS: 00010293 [ 117.227544][ T5761] RAX: ffffffff823a3f4b RBX: 0000000000000000 RCX: ffff88802404d940 [ 117.235669][ T5761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 117.243684][ T5761] RBP: ffffc9000350f554 R08: ffffffff823a3e5e R09: 0000000000000000 [ 117.252063][ T5761] R10: ffffc9000350f548 R11: fffff520006a1eaf R12: ffff88802404eb88 [pid 5751] <... mount resumed>) = 0 [pid 5747] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] <... futex resumed>) = 0 [pid 5755] <... close resumed>) = 0 [pid 5752] <... mount resumed>) = 0 [pid 5751] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5747] <... futex resumed>) = 0 [pid 5746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5745] exit_group(0 [pid 5755] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5751] <... openat resumed>) = 4 [pid 5745] <... exit_group resumed>) = ? [pid 5755] <... futex resumed>) = 1 [pid 5752] <... openat resumed>) = 4 [pid 5751] chdir("." [pid 5747] +++ exited with 0 +++ [pid 5746] <... mmap resumed>) = 0x7fecab023000 [pid 5745] +++ exited with 0 +++ [pid 5755] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... chdir resumed>) = 0 [pid 5746] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5745, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5751] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5752] chdir("." [pid 5751] <... futex resumed>) = 1 [pid 5749] <... futex resumed>) = 0 [pid 5746] <... rt_sigprocmask resumed>[], 8) = 0 [ 117.260111][ T5761] R13: 1ffff920006a1eaa R14: ffffc9000350f540 R15: 1ffff11004809d71 [ 117.268231][ T5761] FS: 00007fecab0436c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 117.277235][ T5761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.283865][ T5761] CR2: 00007fecab043d58 CR3: 00000000193f8000 CR4: 00000000003506f0 [ 117.291978][ T5761] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 117.300150][ T5761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 117.308235][ T5761] Call Trace: [ 117.312724][ T5761] [pid 5060] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5752] <... chdir resumed>) = 0 [pid 5751] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5749] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fecab043990, parent_tid=0x7fecab043990, exit_signal=0, stack=0x7fecab023000, stack_size=0x20300, tls=0x7fecab0436c0} [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5752] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5749] <... futex resumed>) = 0 [pid 5060] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5752] <... futex resumed>) = 1 [pid 5751] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5750] <... futex resumed>) = 0 [pid 5749] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] <... clone3 resumed> => {parent_tid=[5762]}, 88) = 5762 [pid 5752] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5751] <... openat resumed>) = 5 [pid 5750] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5746] rt_sigprocmask(SIG_SETMASK, [], [pid 5060] <... openat resumed>) = 3 [pid 5752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5750] <... futex resumed>) = 0 [pid 5746] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5060] newfstatat(3, "", [pid 5752] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5751] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5752] <... openat resumed>) = 5 [pid 5751] <... futex resumed>) = 1 [pid 5749] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = 0 [pid 5060] getdents64(3, [pid 5749] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5751] ftruncate(5, 100663296 [pid 5749] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5752] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5750] <... futex resumed>) = 0 [pid 5752] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5060] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5750] <... futex resumed>) = 0 [pid 5060] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5752] ftruncate(5, 100663296 [pid 5750] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5060] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5751] <... ftruncate resumed>) = 0 [pid 5060] unlink("./33/binderfs") = 0 [pid 5060] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5752] <... ftruncate resumed>) = 0 [ 117.316007][ T5761] ? __warn+0x162/0x4a0 [ 117.320656][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.325367][ T5761] ? report_bug+0x2b3/0x500 [ 117.330773][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.335757][ T5761] ? handle_bug+0x3d/0x70 [ 117.340462][ T5761] ? exc_invalid_op+0x1a/0x50 [ 117.345233][ T5761] ? asm_exc_invalid_op+0x1a/0x20 [ 117.350630][ T5761] ? journal_end+0x10e/0x2c0 [ 117.356192][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.360851][ T5761] ? journal_end+0x1fb/0x2c0 [pid 5751] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... futex resumed>) = 0 [pid 5751] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5753] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5751] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 117.365844][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.370499][ T5761] reiserfs_truncate_file+0x4e5/0x820 [ 117.375958][ T5761] ? reiserfs_new_symlink+0x770/0x770 [ 117.381376][ T5761] ? unmap_mapping_range+0xf8/0x290 [ 117.386750][ T5761] ? truncate_setsize+0xcf/0xf0 [ 117.391661][ T5761] reiserfs_setattr+0xbc9/0x1140 [ 117.397284][ T5761] ? reiserfs_commit_write+0x5b0/0x5b0 [ 117.402817][ T5761] ? current_time+0x1e0/0x2b0 [ 117.407670][ T5761] ? inode_set_ctime_current+0x2f0/0x2f0 [pid 5749] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5762 attached [pid 5755] <... futex resumed>) = 0 [pid 5753] <... futex resumed>) = 1 [pid 5752] <... futex resumed>) = 1 [pid 5751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5750] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = 0 [pid 5746] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5762] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5755] mkdir(".", 0777 [pid 5753] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5752] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5751] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5750] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] <... rseq resumed>) = 0 [pid 5755] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5750] <... futex resumed>) = 0 [pid 5762] set_robust_list(0x7fecab0439a0, 24 [pid 5755] 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 5750] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] <... set_robust_list resumed>) = 0 [pid 5762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5762] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [ 117.413350][ T5761] ? evm_inode_setattr+0x100/0x740 [ 117.418586][ T5761] ? bpf_lsm_inode_setattr+0x9/0x10 [ 117.423838][ T5761] ? security_inode_setattr+0xd7/0x130 [ 117.429632][ T5761] ? reiserfs_commit_write+0x5b0/0x5b0 [ 117.435422][ T5761] notify_change+0xb99/0xe60 [ 117.440059][ T5761] do_truncate+0x220/0x300 [ 117.444948][ T5761] ? put_page_bootmem+0x2e0/0x2e0 [ 117.450340][ T5761] ? ima_bprm_check+0x2b0/0x2b0 [ 117.451080][ T5755] reiserfs: enabling write barrier flush mode [ 117.455283][ T5761] path_openat+0x29dd/0x3280 [pid 5762] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5752] <... openat resumed>) = 6 [pid 5762] <... futex resumed>) = 0 [pid 5762] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5746] exit_group(0 [pid 5762] <... futex resumed>) = ? [pid 5748] <... futex resumed>) = ? [pid 5746] <... exit_group resumed>) = ? [pid 5762] +++ exited with 0 +++ [pid 5748] +++ exited with 0 +++ [pid 5746] +++ exited with 0 +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5746, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5059] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5059] openat(AT_FDCWD, "./34", 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("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5749] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5749] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fecab023000 [pid 5749] mprotect(0x7fecab024000, 131072, PROT_READ|PROT_WRITE [pid 5751] <... openat resumed>) = 6 [pid 5749] <... mprotect resumed>) = 0 [pid 5752] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5059] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5749] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5059] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5749] 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] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5749] <... clone3 resumed> => {parent_tid=[5763]}, 88) = 5763 [pid 5059] unlink("./34/binderfs" [pid 5749] rt_sigprocmask(SIG_SETMASK, [], [pid 5059] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5763 attached [pid 5752] <... futex resumed>) = 1 [pid 5751] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] <... futex resumed>) = 0 [pid 5749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5763] rseq(0x7fecab043fe0, 0x20, 0, 0x53053053 [pid 5752] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5751] <... futex resumed>) = 0 [pid 5750] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5749] futex(0x7fecab1306d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] <... rseq resumed>) = 0 [pid 5752] <... openat resumed>) = 7 [pid 5751] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] <... futex resumed>) = 0 [pid 5749] <... futex resumed>) = 0 [ 117.455343][ T5761] ? kmem_cache_alloc+0x1be/0x350 [ 117.471374][ T5761] ? do_filp_open+0x490/0x490 [ 117.476201][ T5761] do_filp_open+0x234/0x490 [ 117.481207][ T5761] ? vfs_tmpfile+0x500/0x500 [ 117.485933][ T5761] ? _raw_spin_unlock+0x28/0x40 [ 117.491053][ T5761] ? alloc_fd+0x59c/0x640 [ 117.493040][ T5755] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 117.495486][ T5761] do_sys_openat2+0x13e/0x1d0 [ 117.509502][ T5761] ? do_sys_open+0x230/0x230 [pid 5763] set_robust_list(0x7fecab0439a0, 24 [pid 5752] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5750] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5749] futex(0x7fecab1306dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] <... set_robust_list resumed>) = 0 [pid 5752] <... futex resumed>) = 0 [pid 5750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5763] rt_sigprocmask(SIG_SETMASK, [], [pid 5752] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5750] exit_group(0 [pid 5763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5752] <... futex resumed>) = ? [pid 5750] <... exit_group resumed>) = ? [pid 5763] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5752] +++ exited with 0 +++ [pid 5750] +++ exited with 0 +++ [pid 5059] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5763] <... openat resumed>) = 7 [pid 5763] futex(0x7fecab1306dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5749] <... futex resumed>) = 0 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5750, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5763] futex(0x7fecab1306d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5749] exit_group(0 [pid 5763] <... futex resumed>) = ? [pid 5751] <... futex resumed>) = ? [pid 5749] <... exit_group resumed>) = ? [pid 5057] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5763] +++ exited with 0 +++ [pid 5751] +++ exited with 0 +++ [pid 5749] +++ exited with 0 +++ [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5749, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5057] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5057] getdents64(3, [pid 5061] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5061] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5755] <... mount resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5057] newfstatat(AT_FDCWD, "./34/binderfs", [pid 5755] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5061] newfstatat(3, "", [pid 5057] <... 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 5057] unlink("./34/binderfs" [pid 5755] <... openat resumed>) = 4 [pid 5057] <... unlink resumed>) = 0 [pid 5755] chdir(".") = 0 [pid 5057] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5755] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] getdents64(3, [pid 5755] <... futex resumed>) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5755] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5061] <... getdents64 resumed>0x55555568b730 /* 4 entries */, 32768) = 112 [pid 5753] <... futex resumed>) = 0 [pid 5753] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5061] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5755] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5061] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5755] <... openat resumed>) = 5 [pid 5061] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 117.515134][ T5761] ? lockdep_hardirqs_on+0x98/0x140 [ 117.520751][ T5761] ? _raw_spin_unlock_irq+0x2e/0x50 [ 117.526384][ T5761] ? ptrace_notify+0x278/0x380 [ 117.531857][ T5761] __x64_sys_openat+0x247/0x290 [ 117.536836][ T5761] ? __ia32_sys_open+0x270/0x270 [ 117.543125][ T5761] ? syscall_enter_from_user_mode+0x32/0x230 [ 117.549417][ T5761] ? syscall_enter_from_user_mode+0x8c/0x230 [ 117.556152][ T5761] do_syscall_64+0x44/0x110 [ 117.560897][ T5761] entry_SYSCALL_64_after_hwframe+0x63/0x6b [pid 5061] unlink("./34/binderfs") = 0 [pid 5755] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5755] ftruncate(5, 100663296 [pid 5753] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5061] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5753] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... ftruncate resumed>) = 0 [pid 5755] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5755] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|FASYNC, 000 [pid 5753] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... openat resumed>) = 6 [ 117.566899][ T5761] RIP: 0033:0x7fecab0a8009 [ 117.572272][ T5761] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 117.592193][ T5761] RSP: 002b:00007fecab043218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 117.600754][ T5761] RAX: ffffffffffffffda RBX: 00007fecab1306d8 RCX: 00007fecab0a8009 [ 117.609792][ T5761] RDX: 0000000000103a42 RSI: 0000000020000380 RDI: 00000000ffffff9c [pid 5755] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5755] futex(0x7fecab1306c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5753] futex(0x7fecab1306c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5753] <... futex resumed>) = 0 [pid 5755] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5753] futex(0x7fecab1306cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... openat resumed>) = 7 [pid 5755] futex(0x7fecab1306cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5753] exit_group(0 [pid 5755] exit_group(0 [pid 5755] +++ exited with 0 +++ [pid 5753] <... exit_group resumed>) = ? [pid 5753] +++ exited with 0 +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5753, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5058] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 117.618157][ T5761] RBP: 00007fecab1306d0 R08: 00007ffe4aee5567 R09: 0000000000000000 [ 117.626243][ T5761] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fecab0fd1d8 [ 117.634222][ T5761] R13: 00007fecab0fc06b R14: 0031656c69662f2e R15: 00007ffe4aee5568 [ 117.643925][ T5761] [ 117.647006][ T5761] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 117.654302][ T5761] CPU: 1 PID: 5761 Comm: syz-executor283 Not tainted 6.6.0-syzkaller-14263-gaea6bf908d73 #0 [ 117.664386][ T5761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 117.674472][ T5761] Call Trace: [ 117.677765][ T5761] [ 117.680705][ T5761] dump_stack_lvl+0x1e7/0x2d0 [ 117.685400][ T5761] ? nf_tcp_handle_invalid+0x650/0x650 [ 117.690867][ T5761] ? panic+0x850/0x850 [ 117.694949][ T5761] ? _printk+0xd5/0x120 [ 117.699126][ T5761] ? vscnprintf+0x5d/0x80 [ 117.703474][ T5761] panic+0x349/0x850 [ 117.707388][ T5761] ? __warn+0x171/0x4a0 [ 117.711553][ T5761] ? __memcpy_flushcache+0x2b0/0x2b0 [ 117.716848][ T5761] ? show_trace_log_lvl+0x4e4/0x520 [ 117.722075][ T5761] __warn+0x314/0x4a0 [ 117.726067][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.730676][ T5761] report_bug+0x2b3/0x500 [ 117.735017][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.739629][ T5761] handle_bug+0x3d/0x70 [ 117.743793][ T5761] exc_invalid_op+0x1a/0x50 [ 117.748306][ T5761] asm_exc_invalid_op+0x1a/0x20 [ 117.753168][ T5761] RIP: 0010:journal_end+0x1fb/0x2c0 [ 117.758386][ T5761] Code: 4b a1 b0 ff 48 b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 0f 85 a1 00 00 00 c7 45 00 00 00 00 00 eb 30 e8 b5 7c 54 ff <0f> 0b b8 fb ff ff ff eb 24 e8 a7 7c 54 ff 4c 89 f7 31 f6 48 83 c4 [ 117.777998][ T5761] RSP: 0018:ffffc9000350f498 EFLAGS: 00010293 [ 117.784076][ T5761] RAX: ffffffff823a3f4b RBX: 0000000000000000 RCX: ffff88802404d940 [ 117.792056][ T5761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 117.800035][ T5761] RBP: ffffc9000350f554 R08: ffffffff823a3e5e R09: 0000000000000000 [ 117.808013][ T5761] R10: ffffc9000350f548 R11: fffff520006a1eaf R12: ffff88802404eb88 [ 117.815995][ T5761] R13: 1ffff920006a1eaa R14: ffffc9000350f540 R15: 1ffff11004809d71 [ 117.823983][ T5761] ? journal_end+0x10e/0x2c0 [ 117.828590][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.833204][ T5761] ? journal_end+0x1fb/0x2c0 [ 117.837816][ T5761] reiserfs_truncate_file+0x4e5/0x820 [ 117.843203][ T5761] ? reiserfs_new_symlink+0x770/0x770 [ 117.848584][ T5761] ? unmap_mapping_range+0xf8/0x290 [ 117.853799][ T5761] ? truncate_setsize+0xcf/0xf0 [ 117.858665][ T5761] reiserfs_setattr+0xbc9/0x1140 [ 117.863617][ T5761] ? reiserfs_commit_write+0x5b0/0x5b0 [ 117.869094][ T5761] ? current_time+0x1e0/0x2b0 [ 117.873790][ T5761] ? inode_set_ctime_current+0x2f0/0x2f0 [ 117.879435][ T5761] ? evm_inode_setattr+0x100/0x740 [ 117.884580][ T5761] ? bpf_lsm_inode_setattr+0x9/0x10 [ 117.889790][ T5761] ? security_inode_setattr+0xd7/0x130 [ 117.895262][ T5761] ? reiserfs_commit_write+0x5b0/0x5b0 [ 117.900732][ T5761] notify_change+0xb99/0xe60 [ 117.905357][ T5761] do_truncate+0x220/0x300 [ 117.909872][ T5761] ? put_page_bootmem+0x2e0/0x2e0 [ 117.914922][ T5761] ? ima_bprm_check+0x2b0/0x2b0 [ 117.919798][ T5761] path_openat+0x29dd/0x3280 [ 117.924424][ T5761] ? kmem_cache_alloc+0x1be/0x350 [ 117.929473][ T5761] ? do_filp_open+0x490/0x490 [ 117.934181][ T5761] do_filp_open+0x234/0x490 [ 117.938705][ T5761] ? vfs_tmpfile+0x500/0x500 [ 117.943338][ T5761] ? _raw_spin_unlock+0x28/0x40 [ 117.948228][ T5761] ? alloc_fd+0x59c/0x640 [ 117.952579][ T5761] do_sys_openat2+0x13e/0x1d0 [ 117.957271][ T5761] ? do_sys_open+0x230/0x230 [ 117.961874][ T5761] ? lockdep_hardirqs_on+0x98/0x140 [ 117.967085][ T5761] ? _raw_spin_unlock_irq+0x2e/0x50 [ 117.972297][ T5761] ? ptrace_notify+0x278/0x380 [ 117.977080][ T5761] __x64_sys_openat+0x247/0x290 [ 117.981940][ T5761] ? __ia32_sys_open+0x270/0x270 [ 117.986890][ T5761] ? syscall_enter_from_user_mode+0x32/0x230 [ 117.992884][ T5761] ? syscall_enter_from_user_mode+0x8c/0x230 [ 117.998881][ T5761] do_syscall_64+0x44/0x110 [ 118.003395][ T5761] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 118.009308][ T5761] RIP: 0033:0x7fecab0a8009 [ 118.013743][ T5761] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 118.033710][ T5761] RSP: 002b:00007fecab043218 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 118.042138][ T5761] RAX: ffffffffffffffda RBX: 00007fecab1306d8 RCX: 00007fecab0a8009 [ 118.050116][ T5761] RDX: 0000000000103a42 RSI: 0000000020000380 RDI: 00000000ffffff9c [ 118.058096][ T5761] RBP: 00007fecab1306d0 R08: 00007ffe4aee5567 R09: 0000000000000000 [ 118.066075][ T5761] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fecab0fd1d8 [ 118.074049][ T5761] R13: 00007fecab0fc06b R14: 0031656c69662f2e R15: 00007ffe4aee5568 [ 118.082039][ T5761] [ 118.085366][ T5761] Kernel Offset: disabled [ 118.089786][ T5761] Rebooting in 86400 seconds..