./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor396279374 <...> Warning: Permanently added '10.128.1.61' (ED25519) to the list of known hosts. execve("./syz-executor396279374", ["./syz-executor396279374"], 0x7ffe1d658ab0 /* 10 vars */) = 0 brk(NULL) = 0x555587429000 brk(0x555587429e00) = 0x555587429e00 arch_prctl(ARCH_SET_FS, 0x555587429480) = 0 set_tid_address(0x555587429750) = 292 set_robust_list(0x555587429760, 24) = 0 rseq(0x555587429da0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor396279374", 4096) = 27 getrandom("\xaa\x9c\xe7\x8e\xe6\x7f\x03\x75", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555587429e00 brk(0x55558744ae00) = 0x55558744ae00 brk(0x55558744b000) = 0x55558744b000 mprotect(0x7f3297a65000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f32979a79e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f32979b1180}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f32979a79e0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f32979b1180}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555587429750) = 293 ./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x555587429760, 24) = 0 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] mkdir("./syzkaller.uIORgu", 0700./strace-static-x86_64: Process 294 attached [pid 292] <... clone resumed>, child_tidptr=0x555587429750) = 294 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 293] <... mkdir resumed>) = 0 [pid 293] chmod("./syzkaller.uIORgu", 0777) = 0 [pid 293] chdir("./syzkaller.uIORgu") = 0 ./strace-static-x86_64: Process 295 attached [pid 292] <... clone resumed>, child_tidptr=0x555587429750) = 295 [pid 294] set_robust_list(0x555587429760, 24 [pid 293] mkdir("./0", 0777 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] set_robust_list(0x555587429760, 24 [pid 294] <... set_robust_list resumed>) = 0 [pid 293] <... mkdir resumed>) = 0 [pid 293] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 292] <... clone resumed>, child_tidptr=0x555587429750) = 296 [pid 293] <... openat resumed>) = 3 [pid 293] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 293] close(3) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555587429750) = 298 ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x555587429760, 24) = 0 [pid 296] mkdir("./syzkaller.zM8k7Y", 0700) = 0 [pid 296] chmod("./syzkaller.zM8k7Y", 0777) = 0 [pid 296] chdir("./syzkaller.zM8k7Y") = 0 [pid 296] mkdir("./0", 0777) = 0 [pid 296] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 296] close(3 [pid 295] <... set_robust_list resumed>) = 0 [pid 294] mkdir("./syzkaller.SSrdT0", 0700 [pid 292] <... clone resumed>, child_tidptr=0x555587429750) = 299 [pid 296] <... close resumed>) = 0 [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555587429750) = 301 [pid 294] <... mkdir resumed>) = 0 [pid 294] chmod("./syzkaller.SSrdT0", 0777) = 0 [pid 295] mkdir("./syzkaller.wmtzAJ", 0700 [pid 294] chdir("./syzkaller.SSrdT0"./strace-static-x86_64: Process 298 attached ) = 0 [pid 295] <... mkdir resumed>) = 0 [pid 294] mkdir("./0", 0777) = 0 [pid 295] chmod("./syzkaller.wmtzAJ", 0777 [pid 294] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 295] <... chmod resumed>) = 0 [pid 294] <... openat resumed>) = 3 [pid 298] set_robust_list(0x555587429760, 24 [pid 295] chdir("./syzkaller.wmtzAJ" [pid 294] ioctl(3, LOOP_CLR_FD [pid 298] <... set_robust_list resumed>) = 0 [pid 295] <... chdir resumed>) = 0 [pid 294] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 295] mkdir("./0", 0777 [pid 294] close(3 [pid 295] <... mkdir resumed>) = 0 [pid 294] <... close resumed>) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 294] <... clone resumed>, child_tidptr=0x555587429750) = 302 [pid 295] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 295] close(3 [pid 298] chdir("./0") = 0 [pid 295] <... close resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] <... clone resumed>, child_tidptr=0x555587429750) = 303 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3./strace-static-x86_64: Process 299 attached ) = 0 [pid 298] symlink("/dev/binderfs", "./binderfs" [pid 299] set_robust_list(0x555587429760, 24) = 0 [pid 299] mkdir("./syzkaller.tEWqBy", 0700 [pid 298] <... symlink resumed>) = 0 [pid 298] write(1, "executing program\n", 18executing program ) = 18 [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] rt_sigaction(SIGRT_1, {sa_handler=0x7f3297a07d80, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f32979b1180}, NULL, 8) = 0 [pid 298] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329797d000 [pid 298] mprotect(0x7f329797e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] <... mkdir resumed>) = 0 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329799d990, parent_tid=0x7f329799d990, exit_signal=0, stack=0x7f329797d000, stack_size=0x20240, tls=0x7f329799d6c0} [pid 299] chmod("./syzkaller.tEWqBy", 0777 [pid 298] <... clone3 resumed> => {parent_tid=[304]}, 88) = 304 [pid 299] <... chmod resumed>) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], [pid 299] chdir("./syzkaller.tEWqBy") = 0 [pid 298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 299] mkdir("./0", 0777 [pid 298] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 299] <... mkdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 ./strace-static-x86_64: Process 302 attached ./strace-static-x86_64: Process 303 attached [pid 299] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 299] close(3 [pid 303] set_robust_list(0x555587429760, 24 [pid 302] set_robust_list(0x555587429760, 24 [pid 299] <... close resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 302] <... set_robust_list resumed>) = 0 [pid 303] <... set_robust_list resumed>) = 0 [pid 302] chdir("./0") = 0 [pid 303] chdir("./0" [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 306 attached [pid 299] <... clone resumed>, child_tidptr=0x555587429750) = 306 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x555587429760, 24 [pid 306] set_robust_list(0x555587429760, 24 [pid 303] <... chdir resumed>) = 0 [pid 302] <... prctl resumed>) = 0 [pid 301] <... set_robust_list resumed>) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 301] chdir("./0" [pid 302] setpgid(0, 0 [pid 306] <... set_robust_list resumed>) = 0 [pid 303] <... prctl resumed>) = 0 [pid 302] <... setpgid resumed>) = 0 [pid 301] <... chdir resumed>) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0 [pid 303] setpgid(0, 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] <... setpgid resumed>) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] <... setpgid resumed>) = 0 [pid 302] <... openat resumed>) = 3 [pid 301] <... openat resumed>) = 3 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] symlink("/dev/binderfs", "./binderfs" [pid 303] <... openat resumed>) = 3 [pid 302] write(3, "1000", 4 [pid 306] chdir("./0" [pid 303] write(3, "1000", 4 [pid 302] <... write resumed>) = 4 [pid 301] <... symlink resumed>) = 0 [pid 303] <... write resumed>) = 4 [pid 306] <... chdir resumed>) = 0 [pid 302] close(3 [pid 303] close(3 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 302] <... close resumed>) = 0 [pid 306] <... prctl resumed>) = 0 [pid 303] <... close resumed>) = 0 [pid 301] write(1, "executing program\n", 18executing program ) = 18 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] rt_sigaction(SIGRT_1, {sa_handler=0x7f3297a07d80, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f32979b1180}, NULL, 8) = 0 [pid 303] symlink("/dev/binderfs", "./binderfs" [pid 301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 306] setpgid(0, 0 [pid 302] symlink("/dev/binderfs", "./binderfs" [pid 301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 303] <... symlink resumed>) = 0 [pid 301] <... mmap resumed>) = 0x7f329797d000 [pid 303] write(1, "executing program\n", 18 [pid 302] <... symlink resumed>) = 0 [pid 301] mprotect(0x7f329797e000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 303] <... write resumed>) = 18 [pid 302] write(1, "executing program\n", 18 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329799d990, parent_tid=0x7f329799d990, exit_signal=0, stack=0x7f329797d000, stack_size=0x20240, tls=0x7f329799d6c0}executing program [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... write resumed>) = 18 [pid 306] <... setpgid resumed>) = 0 [pid 303] <... futex resumed>) = 0 [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] rt_sigaction(SIGRT_1, {sa_handler=0x7f3297a07d80, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f32979b1180}, [pid 302] <... futex resumed>) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 302] rt_sigaction(SIGRT_1, {sa_handler=0x7f3297a07d80, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f32979b1180}, [pid 303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 301] <... clone3 resumed> => {parent_tid=[307]}, 88) = 307 [pid 303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 302] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 304 attached [pid 306] write(3, "1000", 4 [pid 303] <... mmap resumed>) = 0x7f329797d000 [pid 302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 306] <... write resumed>) = 4 [pid 304] set_robust_list(0x7f329799d9a0, 24 [pid 303] mprotect(0x7f329797e000, 131072, PROT_READ|PROT_WRITE [pid 302] <... mmap resumed>) = 0x7f329797d000 [pid 306] close(3 [pid 303] <... mprotect resumed>) = 0 [pid 304] <... set_robust_list resumed>) = 0 [pid 302] mprotect(0x7f329797e000, 131072, PROT_READ|PROT_WRITE [pid 303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 302] <... mprotect resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], [pid 303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329799d990, parent_tid=0x7f329799d990, exit_signal=0, stack=0x7f329797d000, stack_size=0x20240, tls=0x7f329799d6c0} [pid 302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] symlink("/dev/binderfs", "./binderfs" [pid 304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 303] <... clone3 resumed> => {parent_tid=[308]}, 88) = 308 [pid 306] <... symlink resumed>) = 0 [pid 304] memfd_create("syzkaller", 0 executing program [pid 303] rt_sigprocmask(SIG_SETMASK, [], [pid 302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329799d990, parent_tid=0x7f329799d990, exit_signal=0, stack=0x7f329797d000, stack_size=0x20240, tls=0x7f329799d6c0} [pid 306] write(1, "executing program\n", 18 [pid 303] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 308 attached [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... write resumed>) = 18 [pid 304] <... memfd_create resumed>) = 3 [pid 303] <... futex resumed>) = 0 [pid 302] <... clone3 resumed> => {parent_tid=[309]}, 88) = 309 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 302] rt_sigprocmask(SIG_SETMASK, [], [pid 306] <... futex resumed>) = 0 [pid 304] <... mmap resumed>) = 0x7f328f57d000 [pid 302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] rt_sigaction(SIGRT_1, {sa_handler=0x7f3297a07d80, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f32979b1180}, NULL, 8) = 0 [pid 302] <... futex resumed>) = 0 [pid 308] set_robust_list(0x7f329799d9a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] memfd_create("syzkaller", 0) = 3 [pid 308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f328f57d000 [pid 304] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 306] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 304] <... write resumed>) = 262144 [pid 306] <... mmap resumed>) = 0x7f329797d000 ./strace-static-x86_64: Process 307 attached [pid 306] mprotect(0x7f329797e000, 131072, PROT_READ|PROT_WRITE [pid 304] munmap(0x7f328f57d000, 138412032 [pid 306] <... mprotect resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [pid 307] set_robust_list(0x7f329799d9a0, 24 [pid 306] <... rt_sigprocmask resumed>[], 8) = 0 [pid 306] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329799d990, parent_tid=0x7f329799d990, exit_signal=0, stack=0x7f329797d000, stack_size=0x20240, tls=0x7f329799d6c0} [pid 307] <... set_robust_list resumed>) = 0 [pid 306] <... clone3 resumed> => {parent_tid=[310]}, 88) = 310 [pid 307] rt_sigprocmask(SIG_SETMASK, [], [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 304] <... munmap resumed>) = 0 [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x7f329799d9a0, 24 [pid 306] <... futex resumed>) = 0 [pid 309] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], [pid 307] memfd_create("syzkaller", 0 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 307] <... memfd_create resumed>) = 3 [pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 309] memfd_create("syzkaller", 0 [pid 308] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 309] <... memfd_create resumed>) = 3 [pid 309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f328f57d000 [pid 307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 304] <... openat resumed>) = 4 [pid 307] <... mmap resumed>) = 0x7f328f57d000 [pid 304] ioctl(4, LOOP_SET_FD, 3 [pid 307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 307] munmap(0x7f328f57d000, 138412032 [pid 308] <... write resumed>) = 262144 [pid 307] <... munmap resumed>) = 0 [pid 308] munmap(0x7f328f57d000, 138412032 [pid 307] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 308] <... munmap resumed>) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144./strace-static-x86_64: Process 310 attached ) = 262144 [pid 310] set_robust_list(0x7f329799d9a0, 24 [pid 309] munmap(0x7f328f57d000, 138412032 [pid 308] <... openat resumed>) = 4 [pid 304] <... ioctl resumed>) = 0 [pid 307] <... openat resumed>) = 4 [ 25.676433][ T24] audit: type=1400 audit(1730002514.559:66): avc: denied { execmem } for pid=292 comm="syz-executor396" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.683905][ T24] audit: type=1400 audit(1730002514.579:67): avc: denied { read write } for pid=293 comm="syz-executor396" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 25.687524][ T24] audit: type=1400 audit(1730002514.579:68): avc: denied { open } for pid=293 comm="syz-executor396" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 25.692016][ T24] audit: type=1400 audit(1730002514.579:69): avc: denied { ioctl } for pid=293 comm="syz-executor396" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 310] <... set_robust_list resumed>) = 0 [pid 308] ioctl(4, LOOP_SET_FD, 3 [pid 304] close(3 [pid 309] <... munmap resumed>) = 0 [pid 304] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], [pid 309] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 308] <... ioctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 304] close(4 [pid 309] <... openat resumed>) = 4 [pid 308] close(3) = 0 [pid 304] <... close resumed>) = 0 [pid 310] memfd_create("syzkaller", 0 [pid 309] ioctl(4, LOOP_SET_FD, 3 [pid 308] close(4 [pid 304] mkdir("./file2", 0777 [pid 310] <... memfd_create resumed>) = 3 [pid 304] <... mkdir resumed>) = 0 [pid 310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 304] mount("/dev/loop0", "./file2", "ext4", MS_NODEV|MS_NOATIME, "nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,e"... [pid 310] <... mmap resumed>) = 0x7f328f57d000 [pid 309] <... ioctl resumed>) = 0 [pid 310] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144 [pid 309] close(3 [pid 308] <... close resumed>) = 0 [pid 307] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 307] close(3) = 0 [pid 307] close(4 [pid 310] <... write resumed>) = 262144 [pid 309] <... close resumed>) = 0 [pid 308] mkdir("./file2", 0777 [pid 309] close(4 [pid 310] munmap(0x7f328f57d000, 138412032 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... munmap resumed>) = 0 [pid 308] mount("/dev/loop2", "./file2", "ext4", MS_NODEV|MS_NOATIME, "nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,e"... [ 25.739351][ T24] audit: type=1400 audit(1730002514.629:70): avc: denied { mounton } for pid=298 comm="syz-executor396" path="/root/syzkaller.uIORgu/0/file2" dev="sda1" ino=1942 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 25.748569][ T304] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 25.777787][ T304] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [pid 310] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 307] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 307] mkdir("./file2", 0777 [pid 310] ioctl(4, LOOP_SET_FD, 3 [pid 309] mkdir("./file2", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] mount("/dev/loop1", "./file2", "ext4", MS_NODEV|MS_NOATIME, "nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,e"... [ 25.789183][ T304] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=a00ec019, mo2=0002] [ 25.796926][ T304] System zones: 1-12 [ 25.802709][ T308] EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode [ 25.816183][ T308] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=a00ec019, mo2=0002] [ 25.816204][ T304] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2806: Unable to expand inode 15. Delete some EAs or run e2fsck. [pid 307] mount("/dev/loop3", "./file2", "ext4", MS_NODEV|MS_NOATIME, "nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,e"... [pid 304] <... mount resumed>) = 0 [pid 304] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 304] chdir("./file2") = 0 [ 25.824055][ T308] System zones: 1-12 [ 25.837435][ T304] EXT4-fs (loop0): 1 truncate cleaned up [ 25.845979][ T304] EXT4-fs (loop0): mounted filesystem without journal. Opts: nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,errors=continue [ 25.846295][ T308] EXT4-fs (loop2): 1 truncate cleaned up [pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 310] <... ioctl resumed>) = 0 [pid 310] close(3) = 0 [pid 310] close(4 [pid 308] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 308] chdir("./file2") = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 310] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 304] <... openat resumed>) = 4 [pid 310] mkdir("./file2", 0777 [pid 304] ioctl(4, LOOP_CLR_FD [pid 310] <... mkdir resumed>) = 0 [pid 310] mount("/dev/loop4", "./file2", "ext4", MS_NODEV|MS_NOATIME, "nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,e"... [ 25.864638][ T24] audit: type=1400 audit(1730002514.759:71): avc: denied { mount } for pid=298 comm="syz-executor396" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 25.891199][ T308] EXT4-fs (loop2): mounted filesystem without journal. Opts: nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,errors=continue [pid 308] ioctl(4, LOOP_CLR_FD [pid 304] <... ioctl resumed>) = 0 [pid 304] close(4 [pid 308] <... ioctl resumed>) = 0 [pid 308] close(4) = 0 [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... futex resumed>) = 0 [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 1 [pid 308] chdir("./file0") = 0 [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... futex resumed>) = 0 [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 1 [pid 308] creat("./bus", 000 [pid 304] <... close resumed>) = 0 [pid 304] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 304] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 308] <... creat resumed>) = 4 [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 308] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 304] chdir("./file0" [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... chdir resumed>) = 0 [pid 304] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 304] creat("./bus", 000 [pid 298] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... creat resumed>) = 4 [pid 298] <... futex resumed>) = 0 [pid 304] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 298] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... openat resumed>) = 5 [pid 298] <... futex resumed>) = 0 [pid 304] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL [pid 298] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... mount resumed>) = 0 [pid 298] <... futex resumed>) = 0 [pid 304] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] open("./bus", O_RDWR|O_SYNC|O_DIRECT [pid 298] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... futex resumed>) = 0 [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 0 [pid 308] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... futex resumed>) = 0 [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 1 [ 26.026646][ T309] EXT4-fs (loop1): encrypted files will use data=ordered instead of data journaling mode [ 26.036390][ T307] EXT4-fs (loop3): encrypted files will use data=ordered instead of data journaling mode [ 26.039575][ T24] audit: type=1400 audit(1730002514.929:72): avc: denied { write } for pid=303 comm="syz-executor396" name="file0" dev="loop2" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 26.068722][ T309] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=a00ec019, mo2=0002] [pid 308] mount("/dev/loop2", "./bus", NULL, MS_BIND, NULL) = 0 [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] futex(0x7f3297a6b6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 0 [ 26.068998][ T24] audit: type=1400 audit(1730002514.939:73): avc: denied { add_name } for pid=303 comm="syz-executor396" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 26.077034][ T307] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=a00ec019, mo2=0002] [ 26.097602][ T24] audit: type=1400 audit(1730002514.939:74): avc: denied { create } for pid=303 comm="syz-executor396" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 0 [pid 298] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f329795c000 [pid 298] mprotect(0x7f329795d000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 298] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 298] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f329797c990, parent_tid=0x7f329797c990, exit_signal=0, stack=0x7f329795c000, stack_size=0x20240, tls=0x7f329797c6c0} => {parent_tid=[321]}, 88) = 321 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] futex(0x7f3297a6b6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f3297a6b6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x7f329797c9a0, 24) = 0 [pid 321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, -1, 0) = -1 EBADF (Bad file descriptor) [pid 321] futex(0x7f3297a6b6dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... futex resumed>) = 0 [pid 298] futex(0x7f3297a6b6d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] futex(0x7f3297a6b6dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 321] <... futex resumed>) = 1 [pid 321] memfd_create("syzkaller", 0) = 7 [pid 321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f328f55c000 [pid 321] write(7, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 321] munmap(0x7f328f55c000, 138412032) = 0 [pid 321] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 308] open("./bus", O_RDWR|O_SYNC|O_DIRECT [pid 321] <... openat resumed>) = 8 [pid 308] <... open resumed>) = 6 [pid 304] <... open resumed>) = 6 [pid 321] ioctl(8, LOOP_SET_FD, 7 [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 321] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... futex resumed>) = 1 [pid 304] <... futex resumed>) = 0 [pid 303] <... futex resumed>) = 0 [pid 321] ioctl(8, LOOP_CLR_FD [pid 308] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 [pid 304] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 321] <... ioctl resumed>) = 0 [pid 303] <... futex resumed>) = 0 [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... mmap resumed>) = 0x20000000 [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 303] <... futex resumed>) = 0 [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 26.104965][ T309] System zones: [ 26.125500][ T24] audit: type=1400 audit(1730002514.939:75): avc: denied { write open } for pid=303 comm="syz-executor396" path="/root/syzkaller.wmtzAJ/0/file2/file0/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 26.129099][ T309] 1-12 [ 26.154344][ T307] System zones: 1-12 [ 26.161166][ T309] [ 26.162158][ T310] EXT4-fs (loop4): encrypted files will use data=ordered instead of data journaling mode [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 321] ioctl(8, LOOP_SET_FD, 7) = -1 EBUSY (Device or resource busy) [pid 308] memfd_create("syzkaller", 0 [pid 321] close(8 [pid 308] <... memfd_create resumed>) = 7 [pid 321] <... close resumed>) = 0 [pid 308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 321] close(7 [pid 308] <... mmap resumed>) = 0x7f328f57d000 [pid 321] <... close resumed>) = 0 [pid 308] write(7, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 321] futex(0x7f3297a6b6dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 321] futex(0x7f3297a6b6d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 304] mknod("./file0", 000 [pid 298] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... mknod resumed>) = -1 EEXIST (File exists) [pid 304] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 304] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] exit_group(0 [pid 321] <... futex resumed>) = ? [pid 304] <... futex resumed>) = ? [pid 298] <... exit_group resumed>) = ? [pid 321] +++ exited with 0 +++ [pid 304] +++ exited with 0 +++ [pid 298] +++ exited with 0 +++ [pid 293] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 293] restart_syscall(<... resuming interrupted clone ...> [pid 308] <... write resumed>) = 131072 [pid 308] munmap(0x7f328f57d000, 138412032) = 0 [pid 308] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 8 [pid 308] ioctl(8, LOOP_SET_FD, 7) = -1 EBUSY (Device or resource busy) [pid 308] ioctl(8, LOOP_CLR_FD) = 0 [pid 293] <... restart_syscall resumed>) = 0 [pid 293] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 293] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(3, 0x55558742a7f0 /* 4 entries */, 32768) = 112 [pid 309] <... mount resumed>) = 0 [pid 293] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] ioctl(8, LOOP_SET_FD, 7 [pid 293] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 293] newfstatat(AT_FDCWD, "./0/file2", [pid 308] close(8 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 293] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(7 [pid 293] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... close resumed>) = 0 [pid 293] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... openat resumed>) = 4 [pid 308] <... futex resumed>) = 1 [pid 303] <... futex resumed>) = 0 [pid 293] newfstatat(4, "", [pid 308] mknod(0x20000000, 000 [pid 303] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_EMPTY_PATH) = 0 [pid 309] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 303] <... futex resumed>) = 0 [pid 293] getdents64(4, [pid 303] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... getdents64 resumed>0x555587432830 /* 8 entries */, 32768) = 240 [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 26.173966][ T309] EXT4-fs (loop1): 1 truncate cleaned up [ 26.179529][ T309] EXT4-fs (loop1): mounted filesystem without journal. Opts: nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,errors=continue [ 26.197737][ T307] EXT4-fs (loop3): 1 truncate cleaned up [ 26.202686][ T308] EXT4-fs error (device loop2): ext4_find_dest_de:2077: inode #12: block 7: comm syz-executor396: bad entry in directory: directory entry overrun - offset=0, inode=1793120026, rec_len=34652, size=56 fake=0 [pid 293] newfstatat(AT_FDCWD, "./0/file2/lost+found", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, [pid 309] <... openat resumed>) = 3 [pid 309] chdir("./file2" [pid 303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 26.203256][ T310] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=a00ec019, mo2=0002] [ 26.228984][ T293] EXT4-fs error (device loop0): ext4_readdir:260: inode #11: block 54: comm syz-executor396: path /root/syzkaller.uIORgu/0/file2/lost+found: bad entry in directory: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, size=1024 fake=0 [ 26.231352][ T310] System zones: 1-12 [ 26.256184][ T307] EXT4-fs (loop3): mounted filesystem without journal. Opts: nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,errors=continue [pid 309] <... chdir resumed>) = 0 [pid 308] <... mknod resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 308] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 303] exit_group(0) = ? [pid 307] <... mount resumed>) = 0 [pid 307] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 307] chdir("./file2") = 0 [pid 307] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 307] ioctl(4, LOOP_CLR_FD) = 0 [pid 307] close(4 [pid 309] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 309] ioctl(4, LOOP_CLR_FD) = 0 [pid 309] close(4) = 0 [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] <... futex resumed>) = 0 [pid 309] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... futex resumed>) = 0 [pid 309] chdir("./file0" [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... chdir resumed>) = 0 [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] <... futex resumed>) = 0 [pid 309] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... futex resumed>) = 0 [pid 309] creat("./bus", 000 [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... creat resumed>) = 4 [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] <... futex resumed>) = 0 [pid 309] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... futex resumed>) = 0 [pid 309] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... openat resumed>) = 5 [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] <... futex resumed>) = 0 [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] mount("/dev/loop1", "./bus", NULL, MS_BIND, NULL [pid 302] <... futex resumed>) = 0 [pid 309] <... mount resumed>) = 0 [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] <... futex resumed>) = 0 [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] open("./bus", O_RDWR|O_SYNC|O_DIRECT [pid 302] <... futex resumed>) = 0 [pid 309] <... open resumed>) = 6 [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 302] <... futex resumed>) = 0 [pid 309] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... futex resumed>) = 0 [pid 309] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... mmap resumed>) = 0x20000000 [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... close resumed>) = 0 [pid 309] <... futex resumed>) = 1 [pid 302] <... futex resumed>) = 0 [pid 309] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 308] +++ exited with 0 +++ [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] +++ exited with 0 +++ [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 302] <... futex resumed>) = 0 [pid 307] <... futex resumed>) = 1 [pid 309] memfd_create("syzkaller", 0 [pid 307] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 301] <... futex resumed>) = 0 [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 309] <... memfd_create resumed>) = 7 [pid 295] restart_syscall(<... resuming interrupted clone ...> [pid 309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] <... getdents64 resumed>0x55558743a870 /* 2 entries */, 32768) = 48 [pid 309] <... mmap resumed>) = 0x7f328f57d000 [pid 293] getdents64(5, [pid 301] <... futex resumed>) = 1 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY [pid 309] write(7, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 [pid 307] <... futex resumed>) = 0 [pid 293] <... getdents64 resumed>0x55558743a870 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] chdir("./file2" [pid 307] chdir("./file0" [pid 293] close(5 [pid 307] <... chdir resumed>) = 0 [pid 293] <... close resumed>) = 0 [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 293] rmdir("./0/file2/lost+found" [pid 309] <... write resumed>) = 131072 [pid 310] <... chdir resumed>) = 0 [pid 309] munmap(0x7f328f57d000, 138412032 [pid 307] <... futex resumed>) = 1 [pid 301] <... futex resumed>) = 0 [pid 307] creat("./bus", 000 [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... creat resumed>) = 4 [pid 301] <... futex resumed>) = 0 [pid 309] <... munmap resumed>) = 0 [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 307] <... futex resumed>) = 0 [pid 301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] <... openat resumed>) = 8 [pid 307] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] ioctl(8, LOOP_SET_FD, 7 [pid 307] <... openat resumed>) = 5 [pid 301] <... futex resumed>) = 0 [pid 309] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] ioctl(8, LOOP_CLR_FD [pid 307] <... futex resumed>) = 0 [pid 301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] <... ioctl resumed>) = 0 [pid 307] mount("/dev/loop3", "./bus", NULL, MS_BIND, NULL [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... mount resumed>) = 0 [pid 301] <... futex resumed>) = 0 [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 0 [pid 301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 307] open("./bus", O_RDWR|O_SYNC|O_DIRECT [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] <... open resumed>) = 6 [pid 301] <... futex resumed>) = 0 [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 0 [pid 301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] ioctl(8, LOOP_SET_FD, 7 [pid 307] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... mmap resumed>) = 0x20000000 [pid 301] <... futex resumed>) = 0 [pid 309] close(8 [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... close resumed>) = 0 [pid 307] <... futex resumed>) = 0 [pid 301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 309] close(7 [pid 307] memfd_create("syzkaller", 0 [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... close resumed>) = 0 [pid 307] <... memfd_create resumed>) = 7 [pid 301] <... futex resumed>) = 0 [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 309] <... futex resumed>) = 1 [pid 307] <... mmap resumed>) = 0x7f328f57d000 [pid 309] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 307] write(7, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 307] munmap(0x7f328f57d000, 138412032) = 0 [pid 307] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 8 [pid 307] ioctl(8, LOOP_SET_FD, 7) = -1 EBUSY (Device or resource busy) [pid 307] ioctl(8, LOOP_CLR_FD) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 26.275739][ T310] EXT4-fs (loop4): 1 truncate cleaned up [ 26.281282][ T310] EXT4-fs (loop4): mounted filesystem without journal. Opts: nogrpid,resuid=0x000000000000ee01,debug_want_extra_isize=0x0000000000000068,debug,nombcache,quota,,errors=continue [pid 310] ioctl(4, LOOP_CLR_FD) = 0 [pid 310] close(4 [pid 307] ioctl(8, LOOP_SET_FD, 7) = -1 EBUSY (Device or resource busy) [pid 307] close(8) = 0 [pid 307] close(7) = 0 [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 307] <... futex resumed>) = 1 [pid 307] mknod(0x20000000, 000 [pid 310] <... close resumed>) = 0 [pid 302] <... futex resumed>) = 0 [pid 295] <... restart_syscall resumed>) = 0 [pid 293] <... rmdir resumed>) = -1 ENOTEMPTY (Directory not empty) [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... futex resumed>) = 1 [pid 306] <... futex resumed>) = 0 [pid 302] <... futex resumed>) = 1 [pid 310] chdir("./file0" [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... chdir resumed>) = 0 [pid 306] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] <... openat resumed>) = 3 [pid 310] creat("./bus", 000 [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(3, "", [pid 310] <... creat resumed>) = 4 [pid 306] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] getdents64(3, [pid 310] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] <... getdents64 resumed>0x55558742a7f0 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 5 [pid 306] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] newfstatat(AT_FDCWD, "./0/file2", [pid 310] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mount("/dev/loop4", "./bus", NULL, MS_BIND, NULL [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mount resumed>) = 0 [pid 306] <... futex resumed>) = 0 [pid 295] <... umount2 resumed>) = -1 EBUSY (Device or resource busy) [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] <... openat resumed>) = 4 [pid 310] open("./bus", O_RDWR|O_SYNC|O_DIRECT [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] newfstatat(4, "", [pid 310] <... open resumed>) = 6 [pid 306] <... futex resumed>) = 0 [pid 295] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_EMPTY_PATH) = 0 [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 295] getdents64(4, [pid 310] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] <... getdents64 resumed>0x555587432830 /* 8 entries */, 32768) = 240 [pid 310] mmap(0x20000000, 8388608, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 6, 0 [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mmap resumed>) = 0x20000000 [pid 306] <... futex resumed>) = 0 [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 310] memfd_create("syzkaller", 0 [ 26.316716][ T293] EXT4-fs error (device loop0): ext4_empty_dir:3113: inode #11: block 54: comm syz-executor396: bad entry in directory: rec_len is smaller than minimal - offset=5120, inode=0, rec_len=0, size=1024 fake=0 [ 26.329941][ T307] ================================================================== [ 26.345075][ T307] BUG: KASAN: use-after-free in ext4_search_dir+0xf7/0x1b0 [ 26.352163][ T307] Read of size 1 at addr ffff88810d2a0900 by task syz-executor396/307 [ 26.360134][ T307] [ 26.361657][ T295] EXT4-fs error (device loop2): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256) [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 310] <... memfd_create resumed>) = 7 [pid 309] <... futex resumed>) = 0 [pid 306] <... futex resumed>) = 0 [pid 310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 309] mknod(0x20000000, 000 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 310] <... mmap resumed>) = 0x7f328f57d000 [ 26.362311][ T307] CPU: 0 PID: 307 Comm: syz-executor396 Not tainted 5.10.226-syzkaller #0 [ 26.378827][ T309] EXT4-fs error (device loop1): ext4_find_dest_de:2077: inode #12: block 7: comm syz-executor396: bad entry in directory: directory entry overrun - offset=0, inode=1793120026, rec_len=34652, size=56 fake=0 [ 26.383646][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 26.383661][ T307] Call Trace: [ 26.383678][ T307] dump_stack_lvl+0x1e2/0x24b [ 26.383687][ T307] ? bfq_pos_tree_add_move+0x43b/0x43b [pid 310] write(7, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072 [pid 310] munmap(0x7f328f57d000, 138412032) = 0 [pid 310] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 302] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 310] <... openat resumed>) = 8 [pid 310] ioctl(8, LOOP_SET_FD, 7) = -1 EBUSY (Device or resource busy) [pid 310] ioctl(8, LOOP_CLR_FD) = 0 [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [ 26.383693][ T307] ? panic+0x812/0x812 [ 26.383705][ T307] print_address_description+0x81/0x3b0 [ 26.383714][ T307] kasan_report+0x179/0x1c0 [ 26.383723][ T307] ? ext4_search_dir+0xf7/0x1b0 [ 26.383731][ T307] ? ext4_search_dir+0xf7/0x1b0 [ 26.383749][ T307] __asan_report_load1_noabort+0x14/0x20 [ 26.408714][ T293] EXT4-fs error (device loop0): ext4_readdir:260: inode #11: block 54: comm syz-executor396: path /root/syzkaller.uIORgu/0/file2/lost+found: bad entry in directory: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, size=1024 fake=0 [ 26.413549][ T307] ext4_search_dir+0xf7/0x1b0 [ 26.413567][ T307] ext4_find_inline_entry+0x4b6/0x5e0 [ 26.424184][ T310] EXT4-fs error (device loop4): ext4_find_dest_de:2077: inode #12: block 7: comm syz-executor396: bad entry in directory: directory entry overrun - offset=0, inode=1793120026, rec_len=34652, size=56 fake=0 [ 26.426486][ T307] ? ext4_try_create_inline_dir+0x320/0x320 [ 26.426504][ T307] ? stack_trace_save+0x113/0x1c0 [ 26.448740][ T293] EXT4-fs error (device loop0): ext4_empty_dir:3113: inode #11: block 54: comm syz-executor396: bad entry in directory: rec_len is smaller than minimal - offset=5120, inode=0, rec_len=0, size=1024 fake=0 [ 26.449481][ T307] ? stack_trace_snprint+0xf0/0xf0 [ 26.449500][ T307] ? selinux_inode_permission+0x449/0x690 [ 26.457798][ T299] EXT4-fs error (device loop4): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256) [ 26.478340][ T307] __ext4_find_entry+0x2b0/0x1990 [ 26.478351][ T307] ? __kasan_slab_alloc+0xc3/0xe0 [ 26.478358][ T307] ? __kasan_slab_alloc+0xb1/0xe0 [ 26.478367][ T307] ? __d_alloc+0x2d/0x6c0 [ 26.478375][ T307] ? d_alloc+0x4b/0x1d0 [ 26.478394][ T307] ? __lookup_hash+0xe7/0x290 [ 26.483817][ T295] EXT4-fs error (device loop2): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256) [ 26.488047][ T307] ? do_syscall_64+0x34/0x70 [ 26.488068][ T307] ? entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.510071][ T293] EXT4-fs error (device loop0): ext4_readdir:260: inode #11: block 54: comm syz-executor396: path /root/syzkaller.uIORgu/0/file2/lost+found: bad entry in directory: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, size=1024 fake=0 [ 26.513566][ T307] ? ext4_ci_compare+0x660/0x660 [ 26.513584][ T307] ? generic_set_encrypted_ci_d_ops+0x91/0xf0 [ 26.540906][ T293] EXT4-fs error (device loop0): ext4_empty_dir:3113: inode #11: block 54: comm syz-executor396: bad entry in directory: rec_len is smaller than minimal - offset=5120, inode=0, rec_len=0, size=1024 fake=0 [ 26.543214][ T307] ext4_lookup+0x3c6/0xaa0 [ 26.543231][ T307] ? ext4_add_entry+0x1280/0x1280 [ 26.551614][ T294] EXT4-fs error (device loop1): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256) [ 26.561793][ T307] ? __kasan_check_write+0x14/0x20 [ 26.561804][ T307] ? _raw_spin_lock+0xa4/0x1b0 [ 26.561814][ T307] ? __d_alloc+0x4dd/0x6c0 [ 26.561831][ T307] ? _raw_spin_unlock+0x4d/0x70 [ 26.579159][ T299] EXT4-fs error (device loop4): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256) [ 26.581064][ T307] ? d_alloc+0x199/0x1d0 [ 26.599676][ T293] EXT4-fs error (device loop0): ext4_readdir:260: inode #11: block 54: comm syz-executor396: path /root/syzkaller.uIORgu/0/file2/lost+found: bad entry in directory: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, size=1024 fake=0 [ 26.602587][ T307] __lookup_hash+0x143/0x290 [ 26.609483][ T294] EXT4-fs error (device loop1): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256) [ 26.613007][ T307] filename_create+0x202/0x750 [ 26.652267][ T293] EXT4-fs error (device loop0): ext4_empty_dir:3113: inode #11: block 54: comm syz-executor396: bad entry in directory: rec_len is smaller than minimal - offset=5120, inode=0, rec_len=0, size=1024 fake=0 [ 26.666645][ T307] ? __check_object_size+0x2e6/0x3c0 [ 26.666656][ T307] ? kern_path_create+0x40/0x40 [ 26.666665][ T307] do_mknodat+0x187/0x450 [ 26.666672][ T307] ? may_open+0x3f0/0x3f0 [ 26.666681][ T307] ? fpu__clear_all+0x20/0x20 [ 26.666690][ T307] __x64_sys_mknod+0x80/0x90 [ 26.666699][ T307] do_syscall_64+0x34/0x70 [ 26.666709][ T307] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.666718][ T307] RIP: 0033:0x7f32979e1b89 [ 26.666728][ T307] 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 [ 26.666733][ T307] RSP: 002b:00007f329799d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 26.666746][ T307] RAX: ffffffffffffffda RBX: 00007f3297a6b6c8 RCX: 00007f32979e1b89 [ 26.666752][ T307] RDX: 0000000000000707 RSI: 0000000000000000 RDI: 0000000020000000 [ 26.666759][ T307] RBP: 00007f3297a6b6c0 R08: 00007f329799d6c0 R09: 0000000000000000 [ 26.666766][ T307] R10: 0000000000001501 R11: 0000000000000246 R12: 00007f3297a6b6cc [ 26.666773][ T307] R13: 0000000000000006 R14: 00007fffd657f730 R15: 00007fffd657f818 [ 26.666778][ T307] [ 26.666783][ T307] Allocated by task 1: [ 26.666793][ T307] __kasan_slab_alloc+0xb1/0xe0 [ 26.666803][ T307] slab_post_alloc_hook+0x61/0x2f0 [ 26.666811][ T307] kmem_cache_alloc+0x168/0x2e0 [ 26.666819][ T307] getname_flags+0xba/0x520 [ 26.666828][ T307] user_path_at_empty+0x2d/0x50 [ 26.666835][ T307] do_faccessat+0x39f/0x810 [ 26.666842][ T307] __x64_sys_access+0x61/0x70 [ 26.666850][ T307] do_syscall_64+0x34/0x70 [ 26.666860][ T307] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.666862][ T307] [ 26.666866][ T307] Freed by task 1: [ 26.666874][ T307] kasan_set_track+0x4b/0x70 [ 26.666882][ T307] kasan_set_free_info+0x23/0x40 [ 26.666890][ T307] ____kasan_slab_free+0x121/0x160 [ 26.666898][ T307] __kasan_slab_free+0x11/0x20 [ 26.666905][ T307] slab_free_freelist_hook+0xc0/0x190 [ 26.666914][ T307] kmem_cache_free+0xa9/0x1e0 [ 26.666922][ T307] filename_lookup+0x515/0x6f0 [ 26.666930][ T307] user_path_at_empty+0x40/0x50 [ 26.666937][ T307] do_faccessat+0x39f/0x810 [ 26.666944][ T307] __x64_sys_access+0x61/0x70 [ 26.666959][ T307] do_syscall_64+0x34/0x70 [ 26.666968][ T307] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.666971][ T307] [ 26.666978][ T307] The buggy address belongs to the object at ffff88810d2a0000 [ 26.666978][ T307] which belongs to the cache names_cache of size 4096 [ 26.666987][ T307] The buggy address is located 2304 bytes inside of [ 26.666987][ T307] 4096-byte region [ffff88810d2a0000, ffff88810d2a1000) [ 26.666990][ T307] The buggy address belongs to the page: [ 26.667016][ T307] page:ffffea000434a800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10d2a0 [ 26.667024][ T307] head:ffffea000434a800 order:3 compound_mapcount:0 compound_pincount:0 [ 26.667035][ T307] flags: 0x4000000000010200(slab|head) [ 26.667048][ T307] raw: 4000000000010200 ffffea000434a400 0000000200000002 ffff888100193080 [ 26.667059][ T307] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000 [ 26.667063][ T307] page dumped because: kasan: bad access detected [ 26.667071][ T307] page_owner tracks the page as allocated [ 26.667083][ T307] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 73, ts 3702849541, free_ts 0 [ 26.667098][ T307] prep_new_page+0x166/0x180 [ 26.691699][ T293] EXT4-fs error (device loop0): ext4_readdir:260: inode #11: block 54: comm syz-executor396: path /root/syzkaller.uIORgu/0/file2/lost+found: bad entry in directory: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, size=1024 fake=0 [ 26.694582][ T307] get_page_from_freelist+0x2d8c/0x2f30 [ 26.694590][ T307] __alloc_pages_nodemask+0x435/0xaf0 [ 26.694598][ T307] new_slab+0x80/0x400 [ 26.694608][ T307] ___slab_alloc+0x302/0x4b0 [ 26.694615][ T307] __slab_alloc+0x63/0xa0 [ 26.694631][ T307] kmem_cache_alloc+0x1b9/0x2e0 [ 26.719015][ T293] EXT4-fs error (device loop0): ext4_empty_dir:3113: inode #11: block 54: comm syz-executor396: bad entry in directory: rec_len is smaller than minimal - offset=5120, inode=0, rec_len=0, size=1024 fake=0 [ 26.721145][ T307] getname_flags+0xba/0x520 [ 26.721152][ T307] user_path_at_empty+0x2d/0x50 [ 26.721159][ T307] vfs_statx+0x106/0x3b0 [ 26.721166][ T307] __se_sys_newfstatat+0xc8/0x760 [ 26.721173][ T307] __x64_sys_newfstatat+0x9b/0xb0 [ 26.721181][ T307] do_syscall_64+0x34/0x70 [ 26.721190][ T307] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.721204][ T307] page_owner free stack trace missing [ 27.228032][ T307] [ 27.230195][ T307] Memory state around the buggy address: [ 27.235664][ T307] ffff88810d2a0800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.243567][ T307] ffff88810d2a0880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.251476][ T307] >ffff88810d2a0900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.259361][ T307] ^ [ 27.263274][ T307] ffff88810d2a0980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.271178][ T307] ffff88810d2a0a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, [pid 310] ioctl(8, LOOP_SET_FD, 7) = -1 EBUSY (Device or resource busy) [pid 310] close(8) = 0 [pid 310] close(7) = 0 [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 306] <... futex resumed>) = 0 [pid 310] mknod(0x20000000, 000 [pid 306] futex(0x7f3297a6b6c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 306] futex(0x7f3297a6b6cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 310] <... mknod resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 310] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 306] <... futex resumed>) = 0 [pid 306] exit_group(0) = ? [pid 310] <... futex resumed>) = ? [pid 310] +++ exited with 0 +++ [pid 306] +++ exited with 0 +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- [pid 299] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... getdents64 resumed>0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found" [pid 299] <... restart_syscall resumed>) = 0 [pid 299] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 299] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, 0x55558742a7f0 /* 4 entries */, 32768) = 112 [pid 299] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 299] newfstatat(AT_FDCWD, "./0/file2", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 299] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 299] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(4, 0x555587432830 /* 8 entries */, 32768) = 240 [pid 299] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW [pid 295] <... umount2 resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 295] newfstatat(AT_FDCWD, "./0/file2/lost+found", [pid 293] <... rmdir resumed>) = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, [pid 309] <... mknod resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 309] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 309] futex(0x7f3297a6b6c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 293] <... getdents64 resumed>0x55558743a870 /* 2 entries */, 32768) = 48 [pid 302] exit_group(0) = ? [pid 309] <... futex resumed>) = ? [pid 309] +++ exited with 0 +++ [pid 302] +++ exited with 0 +++ [pid 294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 294] restart_syscall(<... resuming interrupted clone ...> [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found" [pid 294] <... restart_syscall resumed>) = 0 [pid 294] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 294] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(3, 0x55558742a7f0 /* 4 entries */, 32768) = 112 [pid 294] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 294] newfstatat(AT_FDCWD, "./0/file2", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 294] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 294] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 294] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_EMPTY_PATH) = 0 [pid 294] getdents64(4, 0x555587432830 /* 8 entries */, 32768) = 240 [pid 294] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 299] newfstatat(AT_FDCWD, "./0/file2/lost+found", 0x7fffd657d740, AT_SYMLINK_NOFOLLOW) = -1 EUCLEAN (Structure needs cleaning) [pid 299] exit_group(1) = ? [pid 299] +++ exited with 1 +++ [pid 292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=1, si_utime=0, si_stime=0} --- [pid 292] restart_syscall(<... resuming interrupted clone ...> [pid 293] <... rmdir resumed>) = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, [pid 295] <... newfstatat resumed>0x7fffd657d740, AT_SYMLINK_NOFOLLOW) = -1 EUCLEAN (Structure needs cleaning) [pid 295] exit_group(1) = ? [pid 295] +++ exited with 1 +++ [pid 292] <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) [pid 292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=1, si_utime=0, si_stime=2} --- [pid 292] restart_syscall(<... resuming interrupted restart_syscall ...> [pid 294] <... umount2 resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 294] newfstatat(AT_FDCWD, "./0/file2/lost+found", [pid 293] <... getdents64 resumed>0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, [pid 294] <... newfstatat resumed>0x7fffd657d740, AT_SYMLINK_NOFOLLOW) = -1 EUCLEAN (Structure needs cleaning) [pid 294] exit_group(1) = ? [pid 294] +++ exited with 1 +++ [pid 292] <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) [pid 292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=1, si_utime=0, si_stime=1} --- [pid 292] restart_syscall(<... resuming interrupted restart_syscall ...> [pid 293] <... getdents64 resumed>0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 293] openat(AT_FDCWD, "./0/file2/lost+found", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 [pid 293] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=11264, ...}, AT_EMPTY_PATH) = 0 [pid 293] getdents64(5, 0x55558743a870 /* 2 entries */, 32768) = 48 [pid 293] getdents64(5, 0x55558743a870 /* 0 entries */, 32768) = 0 [pid 293] close(5) = 0 [pid 293] rmdir("./0/file2/lost+found") = -1 ENOTEMPTY (Directory not empty) [pid 293] exit_group(1) = ? [pid 293] +++ exited with 1 +++ [pid 292] <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) [pid 292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=293, si_uid=0, si_status=1, si_utime=0, si_stime=11} --- [pid 292] restart_syscall(<... resuming interrupted restart_syscall ...> [pid 301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 307] <... mknod resumed>) = -1 EUCLEAN (Structure needs cleaning) [pid 307] futex(0x7f3297a6b6cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] exit_group(0 [pid 307] ????( [pid 301] <... exit_group resumed>) = ? [pid 307] <... ???? resumed>) = ? [pid 307] +++ exited with 0 +++ [pid 301] +++ exited with 0 +++ [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- [pid 296] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 296] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 296] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(3, 0x55558742a7f0 /* 4 entries */, 32768) = 112 [pid 296] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 296] newfstatat(AT_FDCWD, "./0/file2", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] umount2("./0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 296] openat(AT_FDCWD, "./0/file2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 296] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_EMPTY_PATH) = 0 [pid 296] getdents64(4, 0x555587432830 /* 8 entries */, 32768) = 240 [ 27.279060][ T307] ================================================================== [ 27.286959][ T307] Disabling lock debugging due to kernel taint [ 27.295355][ T307] EXT4-fs error (device loop3): ext4_find_dest_de:2077: inode #12: block 7: comm syz-executor396: bad entry in directory: directory entry overrun - offset=0, inode=1793120026, rec_len=34652, size=56 fake=0 [pid 296] umount2("./0/file2/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EUCLEAN (Structure needs cleaning) [pid 296] newfstatat(AT_FDCWD, "./0/file2/lost+found", 0x7fffd657d740, AT_SYMLINK_NOFOLLOW) = -1 EUCLEAN (Structure needs cleaning) [pid 296] exit_group(1) = ? [pid 296] +++ exited with 1 +++ <... restart_syscall resumed>) = ? ERESTART_RESTARTBLOCK (Interrupted by signal) --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=296, si_uid=0, si_status=1, si_utime=0, si_stime=1} --- [ 27.327915][ T296] EXT4-fs error (device loop3): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256) [ 27.341427][ T296] EXT4-fs error (device loop3): ext4_lookup:1828: inode #11: comm syz-executor396: iget: bad extra_isize 62855 (inode size 256)