./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1579122863 <...> , FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 233.000153][ T7423] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 233.013444][ T29] audit: type=1800 audit(1698988377.764:773): pid=7424 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7431 attached [pid 7424] <... mkdirat resumed>) = 0 [pid 7423] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7419] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] set_robust_list(0x55555656d6a0, 24 [pid 7423] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7431 [pid 7431] <... set_robust_list resumed>) = 0 [pid 7423] mkdirat(AT_FDCWD, "./file0", 000 [pid 7424] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... mkdirat resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7424] <... futex resumed>) = 1 [pid 7419] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... futex resumed>) = 0 [pid 7420] exit_group(0) = ? [pid 7431] chdir("./130" [pid 7416] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7419] <... futex resumed>) = 0 [pid 7419] exit_group(0) = ? [pid 7423] +++ exited with 0 +++ [pid 7431] <... chdir resumed>) = 0 [pid 7431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7431] setpgid(0, 0) = 0 [pid 7416] <... futex resumed>) = 1 [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] mkdirat(AT_FDCWD, "./file0", 000 [pid 7419] +++ exited with 0 +++ [pid 7416] <... mkdirat resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7419, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 7431] <... openat resumed>) = 3 [pid 7424] +++ exited with 0 +++ [pid 7420] +++ exited with 0 +++ [pid 7416] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... restart_syscall resumed>) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7420, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 7431] write(3, "1000", 4 [pid 7416] <... futex resumed>) = 1 [pid 7414] <... futex resumed>) = 0 [pid 5051] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7431] <... write resumed>) = 4 [pid 7416] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7414] exit_group(0 [pid 5051] <... openat resumed>) = 3 [pid 7431] close(3 [pid 7416] <... futex resumed>) = ? [pid 7414] <... exit_group resumed>) = ? [ 233.075202][ T29] audit: type=1800 audit(1698988377.794:774): pid=7423 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 5053] <... openat resumed>) = 3 [pid 5051] newfstatat(3, "", [pid 7431] <... close resumed>) = 0 [pid 7416] +++ exited with 0 +++ [pid 7414] +++ exited with 0 +++ [pid 5053] newfstatat(3, "", [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7431] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7414, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 5056] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] getdents64(3, [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7431] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 5053] newfstatat(AT_FDCWD, "./128/binderfs", [pid 5051] newfstatat(AT_FDCWD, "./132/binderfs", [pid 7431] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] newfstatat(3, "", [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7431] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] unlink("./128/binderfs" [pid 5051] unlink("./132/binderfs" [pid 7431] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] getdents64(3, [pid 7431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 7431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 5053] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... unlink resumed>) = 0 [pid 7431] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5056] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./128/binderfs", [pid 7431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] unlink("./128/binderfs" [pid 7431] <... clone3 resumed> => {parent_tid=[7432]}, 88) = 7432 [pid 7431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5056] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7432 attached [pid 7432] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7432] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7432] memfd_create("syzkaller", 0) = 3 [pid 7432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 233.120246][ T29] audit: type=1800 audit(1698988377.804:775): pid=7416 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 7432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./125/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5054] rmdir("./125/file0") = 0 [pid 5054] getdents64(3, [pid 5055] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./126/file0", [pid 5054] rmdir("./125" [pid 5056] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5055] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./126", 0777 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... mkdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", [pid 5054] <... openat resumed>) = 3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] getdents64(4, [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] newfstatat(AT_FDCWD, "./128/file0", [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] close(3 [pid 5053] <... umount2 resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5055] getdents64(4, [pid 5054] <... close resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./128/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] close(4 [pid 5053] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... close resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7435 [pid 5053] <... openat resumed>) = 4 [pid 5051] newfstatat(AT_FDCWD, "./132/file0", [pid 5053] newfstatat(4, "", ./strace-static-x86_64: Process 7435 attached [pid 5056] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] rmdir("./126/file0" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] getdents64(4, [pid 5056] <... openat resumed>) = 4 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] newfstatat(4, "", [pid 5055] getdents64(3, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7435] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] getdents64(4, [pid 5051] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] getdents64(4, [pid 5055] close(3 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] close(4 [pid 5051] <... openat resumed>) = 4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] rmdir("./126" [pid 5053] <... close resumed>) = 0 [pid 5056] getdents64(4, [pid 5051] newfstatat(4, "", [pid 7435] <... set_robust_list resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] rmdir("./128/file0" [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7435] chdir("./126" [pid 5056] close(4 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] getdents64(4, [pid 7435] <... chdir resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] mkdir("./127", 0777 [pid 5053] getdents64(3, [pid 7435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] rmdir("./128/file0" [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7435] <... prctl resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] close(3 [pid 5051] getdents64(4, [pid 5056] getdents64(3, [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4 [pid 7435] setpgid(0, 0 [pid 5053] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7435] <... setpgid resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] rmdir("./128" [pid 5051] rmdir("./132/file0" [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... openat resumed>) = 3 [pid 5056] close(3 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7435] <... openat resumed>) = 3 [pid 5056] <... close resumed>) = 0 [pid 5053] mkdir("./129", 0777 [pid 7435] write(3, "1000", 4 [pid 5056] rmdir("./128" [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] <... mkdir resumed>) = 0 [pid 5051] getdents64(3, [pid 7435] <... write resumed>) = 4 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7435] close(3 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3 [pid 7435] <... close resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5051] close(3 [pid 7435] symlink("/dev/binderfs", "./binderfs" [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7435] <... symlink resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5056] mkdir("./129", 0777 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7435] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7435] <... futex resumed>) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7435] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] rmdir("./132"./strace-static-x86_64: Process 7437 attached [pid 7437] set_robust_list(0x55555656d6a0, 24 [pid 7435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5051] <... rmdir resumed>) = 0 [pid 7437] <... set_robust_list resumed>) = 0 [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5051] mkdir("./133", 0777 [pid 7437] chdir("./127" [pid 7435] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7437 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7436 [pid 5051] <... mkdir resumed>) = 0 [pid 5056] close(3./strace-static-x86_64: Process 7436 attached ) = 0 [pid 7435] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7438]}, 88) = 7438 [pid 7435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7436] set_robust_list(0x55555656d6a0, 24./strace-static-x86_64: Process 7438 attached [pid 7437] <... chdir resumed>) = 0 [pid 7436] <... set_robust_list resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7438] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7436] chdir("./129" [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7439 [pid 7438] <... rseq resumed>) = 0 [pid 7437] <... prctl resumed>) = 0 [pid 7436] <... chdir resumed>) = 0 [pid 7438] set_robust_list(0x7f8728ba99a0, 24 [pid 7436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... openat resumed>) = 3 [pid 7437] setpgid(0, 0 [pid 7438] <... set_robust_list resumed>) = 0 [pid 7436] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7439 attached [pid 7438] rt_sigprocmask(SIG_SETMASK, [], [pid 7437] <... setpgid resumed>) = 0 [pid 7436] setpgid(0, 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7439] set_robust_list(0x55555656d6a0, 24 [pid 7437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7436] <... setpgid resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7439] <... set_robust_list resumed>) = 0 [pid 7438] memfd_create("syzkaller", 0 [pid 7432] <... write resumed>) = 4194304 [pid 7438] <... memfd_create resumed>) = 3 [pid 7436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] close(3 [pid 7439] chdir("./129" [pid 7438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7437] <... openat resumed>) = 3 [pid 7439] <... chdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7432] munmap(0x7f8720789000, 138412032 [pid 7439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7438] <... mmap resumed>) = 0x7f8720789000 [pid 7437] write(3, "1000", 4 [pid 7436] <... openat resumed>) = 3 [pid 7439] <... prctl resumed>) = 0 [pid 7437] <... write resumed>) = 4 [pid 7436] write(3, "1000", 4 [pid 7432] <... munmap resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7439] setpgid(0, 0 [pid 7437] close(3 [pid 7436] <... write resumed>) = 4 [pid 7439] <... setpgid resumed>) = 0 [pid 7439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7437] <... close resumed>) = 0 [pid 7439] <... openat resumed>) = 3 [pid 7437] symlink("/dev/binderfs", "./binderfs" [pid 7436] close(3) = 0 [pid 7437] <... symlink resumed>) = 0 [pid 7439] write(3, "1000", 4 [pid 7436] symlink("/dev/binderfs", "./binderfs" [pid 7432] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7437] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... symlink resumed>) = 0 [pid 7437] <... futex resumed>) = 0 [pid 7437] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7432] <... openat resumed>) = 4 [pid 7439] <... write resumed>) = 4 [pid 7437] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7436] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] ioctl(4, LOOP_SET_FD, 3 [pid 7439] close(3 [pid 7437] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7436] <... futex resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7440 [pid 7436] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, ./strace-static-x86_64: Process 7440 attached [pid 7437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7436] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7440] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7440] chdir("./133") = 0 [pid 7440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7440] setpgid(0, 0) = 0 [pid 7440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7440] write(3, "1000", 4) = 4 [pid 7440] close(3) = 0 [pid 7440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7439] <... close resumed>) = 0 [pid 7437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7440] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] symlink("/dev/binderfs", "./binderfs" [pid 7437] <... mmap resumed>) = 0x7f8728b89000 [pid 7436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7440] <... futex resumed>) = 0 [pid 7440] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7439] <... symlink resumed>) = 0 [pid 7437] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7432] <... ioctl resumed>) = 0 [pid 7439] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... mmap resumed>) = 0x7f8728b89000 [pid 7440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7439] <... futex resumed>) = 0 [pid 7438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7437] <... mprotect resumed>) = 0 [pid 7436] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7432] close(3 [pid 7440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7439] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7432] <... close resumed>) = 0 [pid 7440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7439] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7437] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7436] <... mprotect resumed>) = 0 [pid 7432] mkdir("./file0", 0777 [pid 7440] <... mmap resumed>) = 0x7f8728b89000 [pid 7439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7437] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7440] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7440] <... mprotect resumed>) = 0 [pid 7440] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7432] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7441 attached [pid 7440] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7439] <... mmap resumed>) = 0x7f8728b89000 [pid 7436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7432] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, ""./strace-static-x86_64: Process 7442 attached [pid 7441] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7439] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7437] <... clone3 resumed> => {parent_tid=[7441]}, 88) = 7441 ./strace-static-x86_64: Process 7444 attached [pid 7442] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7441] <... rseq resumed>) = 0 [pid 7439] <... mprotect resumed>) = 0 [pid 7437] rt_sigprocmask(SIG_SETMASK, [], [pid 7436] <... clone3 resumed> => {parent_tid=[7442]}, 88) = 7442 [pid 7444] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7442] <... rseq resumed>) = 0 [pid 7441] set_robust_list(0x7f8728ba99a0, 24 [pid 7440] <... clone3 resumed> => {parent_tid=[7444]}, 88) = 7444 [pid 7439] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7436] rt_sigprocmask(SIG_SETMASK, [], [pid 7444] <... rseq resumed>) = 0 [pid 7442] set_robust_list(0x7f8728ba99a0, 24 [pid 7441] <... set_robust_list resumed>) = 0 [pid 7440] rt_sigprocmask(SIG_SETMASK, [], [pid 7439] <... rt_sigprocmask resumed>[], 8) = 0 [ 233.468121][ T7432] loop1: detected capacity change from 0 to 8192 [pid 7437] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7444] set_robust_list(0x7f8728ba99a0, 24 [pid 7442] <... set_robust_list resumed>) = 0 [pid 7441] rt_sigprocmask(SIG_SETMASK, [], [pid 7440] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7437] <... futex resumed>) = 0 [pid 7436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7445 attached [pid 7444] <... set_robust_list resumed>) = 0 [pid 7442] rt_sigprocmask(SIG_SETMASK, [], [pid 7441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7436] <... futex resumed>) = 0 [pid 7445] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7444] rt_sigprocmask(SIG_SETMASK, [], [pid 7442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7441] memfd_create("syzkaller", 0 [pid 7440] <... futex resumed>) = 0 [pid 7445] <... rseq resumed>) = 0 [pid 7444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7439] <... clone3 resumed> => {parent_tid=[7445]}, 88) = 7445 [pid 7444] memfd_create("syzkaller", 0 [pid 7445] set_robust_list(0x7f8728ba99a0, 24 [pid 7442] memfd_create("syzkaller", 0 [pid 7439] rt_sigprocmask(SIG_SETMASK, [], [pid 7444] <... memfd_create resumed>) = 3 [pid 7442] <... memfd_create resumed>) = 3 [pid 7444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7445] <... set_robust_list resumed>) = 0 [pid 7442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7441] <... memfd_create resumed>) = 3 [pid 7445] rt_sigprocmask(SIG_SETMASK, [], [pid 7444] <... mmap resumed>) = 0x7f8720789000 [pid 7442] <... mmap resumed>) = 0x7f8720789000 [pid 7441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7439] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7445] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7439] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7439] <... futex resumed>) = 0 [pid 7439] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7445] memfd_create("syzkaller", 0 [pid 7441] <... mmap resumed>) = 0x7f8720789000 [pid 7445] <... memfd_create resumed>) = 3 [pid 7445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7438] <... write resumed>) = 4194304 [pid 7438] munmap(0x7f8720789000, 138412032) = 0 [pid 7438] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 233.533554][ T7432] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.555705][ T7432] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 233.566755][ T7432] REISERFS (device loop1): using ordered data mode [pid 7438] ioctl(4, LOOP_SET_FD, 3 [pid 7444] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7438] <... ioctl resumed>) = 0 [pid 7438] close(3) = 0 [pid 7438] mkdir("./file0", 0777) = 0 [ 233.607859][ T7438] loop3: detected capacity change from 0 to 8192 [ 233.624521][ T7432] reiserfs: using flush barriers [pid 7438] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7444] <... write resumed>) = 4194304 [pid 7444] munmap(0x7f8720789000, 138412032 [pid 7441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7444] <... munmap resumed>) = 0 [ 233.646161][ T7438] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.667808][ T7432] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.672979][ T7438] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7444] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7444] close(3) = 0 [ 233.703799][ T7438] REISERFS (device loop3): using ordered data mode [ 233.710337][ T7438] reiserfs: using flush barriers [ 233.725137][ T7444] loop0: detected capacity change from 0 to 8192 [ 233.733199][ T7432] REISERFS (device loop1): checking transaction log (loop1) [ 233.738671][ T7438] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7444] mkdir("./file0", 0777) = 0 [pid 7441] <... write resumed>) = 4194304 [pid 7441] munmap(0x7f8720789000, 138412032) = 0 [pid 7444] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7441] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7441] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7441] close(3) = 0 [pid 7441] mkdir("./file0", 0777 [pid 7432] <... mount resumed>) = 0 [pid 7432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7432] chdir("./file0") = 0 [pid 7432] ioctl(4, LOOP_CLR_FD) = 0 [ 233.764588][ T7432] REISERFS (device loop1): Using tea hash to sort names [ 233.771992][ T7432] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 233.784356][ T7438] REISERFS (device loop3): checking transaction log (loop3) [ 233.793570][ T7441] loop4: detected capacity change from 0 to 8192 [pid 7432] close(4 [pid 7441] <... mkdir resumed>) = 0 [pid 7445] <... write resumed>) = 4194304 [pid 7432] <... close resumed>) = 0 [pid 7445] munmap(0x7f8720789000, 138412032 [pid 7432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7431] <... futex resumed>) = 0 [pid 7432] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7431] <... futex resumed>) = 0 [pid 7432] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 233.812869][ T7438] REISERFS (device loop3): Using tea hash to sort names [ 233.820508][ T7444] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.839206][ T29] audit: type=1800 audit(1698988378.594:776): pid=7432 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 7431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] <... munmap resumed>) = 0 [pid 7432] <... open resumed>) = 4 [pid 7442] <... write resumed>) = 4194304 [pid 7445] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] munmap(0x7f8720789000, 138412032) = 0 [pid 7442] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7442] <... openat resumed>) = 4 [pid 7431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] ioctl(4, LOOP_SET_FD, 3 [pid 7431] <... futex resumed>) = 0 [pid 7445] <... openat resumed>) = 4 [pid 7432] <... futex resumed>) = 0 [ 233.840056][ T7438] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 233.869276][ T7444] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 233.876473][ T7441] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 233.879593][ T7444] REISERFS (device loop0): using ordered data mode [ 233.898734][ T7442] loop2: detected capacity change from 0 to 8192 [ 233.899169][ T7444] reiserfs: using flush barriers [pid 7431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] ioctl(4, LOOP_SET_FD, 3 [pid 7432] ftruncate(4, 33587195 [pid 7442] <... ioctl resumed>) = 0 [pid 7442] close(3) = 0 [pid 7442] mkdir("./file0", 0777) = 0 [pid 7445] <... ioctl resumed>) = 0 [pid 7438] <... mount resumed>) = 0 [pid 7432] <... ftruncate resumed>) = 0 [pid 7442] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 233.912704][ T7445] loop5: detected capacity change from 0 to 8192 [ 233.913264][ T7441] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 233.932058][ T7441] REISERFS (device loop4): using ordered data mode [ 233.939141][ T7441] reiserfs: using flush barriers [ 233.942626][ T7444] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7438] chdir("./file0" [pid 7445] close(3 [pid 7432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... chdir resumed>) = 0 [pid 7431] <... futex resumed>) = 0 [pid 7431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] ioctl(4, LOOP_CLR_FD) = 0 [pid 7445] <... close resumed>) = 0 [pid 7438] close(4 [pid 7432] <... futex resumed>) = 1 [pid 7431] <... futex resumed>) = 0 [pid 7438] <... close resumed>) = 0 [pid 7432] creat("./bus", 040 [pid 7431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 7432] <... creat resumed>) = 5 [pid 7438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] mkdir("./file0", 0777 [pid 7438] <... futex resumed>) = 1 [pid 7445] <... mkdir resumed>) = 0 [pid 7438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] <... futex resumed>) = 0 [pid 7435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... futex resumed>) = 0 [pid 7438] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] <... open resumed>) = 4 [pid 7438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7435] <... futex resumed>) = 0 [pid 7438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... futex resumed>) = 0 [pid 7438] ftruncate(4, 33587195 [pid 7435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... futex resumed>) = 0 [pid 7431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 233.951011][ T7441] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 233.960802][ T7444] REISERFS (device loop0): checking transaction log (loop0) [ 233.994193][ T7442] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] <... futex resumed>) = 1 [pid 7438] <... ftruncate resumed>) = 0 [ 234.011488][ T29] audit: type=1800 audit(1698988378.754:777): pid=7438 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 234.012534][ T7441] REISERFS (device loop4): checking transaction log (loop4) [ 234.039990][ T7445] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.040584][ T7442] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 7435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7432] mkdirat(AT_FDCWD, "./file0", 000 [pid 7431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7435] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7438] <... futex resumed>) = 0 [pid 7435] <... mmap resumed>) = 0x7f8728b68000 [pid 7438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7432] <... mkdirat resumed>) = 0 [pid 7435] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 7432] <... futex resumed>) = 0 [pid 7432] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] <... clone3 resumed> => {parent_tid=[7451]}, 88) = 7451 [pid 7431] exit_group(0 [pid 7435] rt_sigprocmask(SIG_SETMASK, [], [pid 7432] <... futex resumed>) = ? [pid 7431] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7451 attached [pid 7444] <... mount resumed>) = 0 [pid 7441] <... mount resumed>) = 0 [pid 7435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7435] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7435] <... futex resumed>) = 0 [pid 7435] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7451] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 7441] <... openat resumed>) = 3 [pid 7432] +++ exited with 0 +++ [pid 7431] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7431, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [ 234.064440][ T7444] REISERFS (device loop0): Using tea hash to sort names [ 234.071886][ T7444] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 234.081890][ T7441] REISERFS (device loop4): Using tea hash to sort names [ 234.082209][ T7442] REISERFS (device loop2): using ordered data mode [ 234.089469][ T7441] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 234.105340][ T7442] reiserfs: using flush barriers [pid 7441] chdir("./file0" [pid 7451] <... rseq resumed>) = 0 [pid 7444] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7444] chdir("./file0" [pid 5052] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7441] <... chdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7444] <... chdir resumed>) = 0 [pid 7444] ioctl(4, LOOP_CLR_FD [pid 7451] set_robust_list(0x7f8728b889a0, 24 [pid 7444] <... ioctl resumed>) = 0 [pid 7451] <... set_robust_list resumed>) = 0 [pid 7444] close(4 [pid 7451] rt_sigprocmask(SIG_SETMASK, [], [pid 7444] <... close resumed>) = 0 [pid 7451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7444] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] creat("./bus", 040 [pid 7444] <... futex resumed>) = 1 [pid 7451] <... creat resumed>) = 5 [pid 7444] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] <... openat resumed>) = 3 [pid 7440] <... futex resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 7441] ioctl(4, LOOP_CLR_FD [pid 7440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7441] <... ioctl resumed>) = 0 [pid 7440] <... futex resumed>) = 1 [pid 7440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 234.115355][ T7445] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 234.115489][ T7442] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.124953][ T7445] REISERFS (device loop5): using ordered data mode [ 234.148021][ T7445] reiserfs: using flush barriers [pid 5052] getdents64(3, [pid 7451] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7444] <... futex resumed>) = 0 [pid 7441] close(4 [pid 7435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7441] <... close resumed>) = 0 [pid 5052] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7441] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7441] <... futex resumed>) = 1 [pid 7438] <... futex resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./130/binderfs", [pid 7435] <... futex resumed>) = 1 [pid 7441] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7438] mkdirat(AT_FDCWD, "./file0", 000 [pid 7435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7451] <... futex resumed>) = 0 [pid 7444] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7438] <... mkdirat resumed>) = 0 [pid 7437] <... futex resumed>) = 0 [pid 5052] unlink("./130/binderfs" [pid 7438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7444] <... open resumed>) = 4 [pid 7437] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... unlink resumed>) = 0 [pid 7444] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7444] <... futex resumed>) = 1 [pid 7437] <... futex resumed>) = 1 [pid 7444] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] <... futex resumed>) = 0 [pid 7438] <... futex resumed>) = 1 [pid 7437] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] <... futex resumed>) = 0 [pid 7441] <... futex resumed>) = 0 [pid 7441] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 234.157509][ T7445] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 234.157801][ T7442] REISERFS (device loop2): checking transaction log (loop2) [ 234.187076][ T7442] REISERFS (device loop2): Using tea hash to sort names [ 234.187123][ T7445] REISERFS (device loop5): checking transaction log (loop5) [ 234.206682][ T7442] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7435] exit_group(0) = ? [pid 7438] <... futex resumed>) = ? [pid 7440] <... futex resumed>) = 1 [pid 7444] <... futex resumed>) = 0 [pid 7444] ftruncate(4, 33587195) = 0 [pid 7441] <... open resumed>) = 4 [pid 7440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] +++ exited with 0 +++ [pid 7444] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7444] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7451] <... futex resumed>) = ? [pid 7451] +++ exited with 0 +++ [pid 7435] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7435, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... restart_syscall resumed>) = 0 [pid 7444] <... futex resumed>) = 0 [pid 7440] <... futex resumed>) = 1 [pid 7440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7444] creat("./bus", 040 [pid 5054] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7444] <... creat resumed>) = 5 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7444] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", [pid 7444] <... futex resumed>) = 1 [pid 7437] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7444] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] <... futex resumed>) = 0 [pid 7437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 7437] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7437] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7437] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} => {parent_tid=[7453]}, 88) = 7453 [pid 7437] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7453 attached [ 234.213944][ T29] audit: type=1800 audit(1698988378.964:778): pid=7444 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 234.240335][ T7445] REISERFS (device loop5): Using tea hash to sort names NULL, 8) = 0 [pid 7453] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 7440] <... futex resumed>) = 0 [pid 7437] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 7444] <... futex resumed>) = 0 [pid 7442] <... mount resumed>) = 0 [pid 7440] <... futex resumed>) = 1 [pid 7437] <... futex resumed>) = 0 [pid 7444] mkdirat(AT_FDCWD, "./file0", 000 [pid 7442] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7437] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7444] <... mkdirat resumed>) = 0 [pid 7442] <... openat resumed>) = 3 [pid 7441] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7453] <... rseq resumed>) = 0 [pid 7444] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] set_robust_list(0x7f8728b889a0, 24 [pid 7444] <... futex resumed>) = 0 [pid 7453] <... set_robust_list resumed>) = 0 [pid 7444] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7442] chdir("./file0" [pid 7453] rt_sigprocmask(SIG_SETMASK, [], [pid 7442] <... chdir resumed>) = 0 [pid 7453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7442] ioctl(4, LOOP_CLR_FD [pid 7453] ftruncate(4, 33587195 [pid 7442] <... ioctl resumed>) = 0 [pid 7453] <... ftruncate resumed>) = 0 [pid 7442] close(4) = 0 [pid 7442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7436] <... futex resumed>) = 0 [pid 7436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7442] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7453] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7453] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] <... futex resumed>) = 0 [pid 7442] <... open resumed>) = 4 [pid 7437] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7437] <... futex resumed>) = 0 [pid 5054] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7440] exit_group(0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7440] <... exit_group resumed>) = ? [pid 5054] newfstatat(AT_FDCWD, "./126/binderfs", [pid 7444] <... futex resumed>) = ? [pid 7442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./126/binderfs" [pid 7444] +++ exited with 0 +++ [pid 7442] <... futex resumed>) = 1 [pid 7440] +++ exited with 0 +++ [pid 7436] <... futex resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7440, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 7442] ftruncate(4, 33587195 [pid 7436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] <... ftruncate resumed>) = 0 [pid 7441] <... futex resumed>) = 1 [pid 7437] <... futex resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 5051] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7441] creat("./bus", 040 [pid 7437] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=34000000} [pid 7436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7441] <... creat resumed>) = 5 [pid 5051] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(3, "", [pid 7442] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 234.249296][ T7445] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 234.283769][ T29] audit: type=1800 audit(1698988378.994:779): pid=7441 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 7442] creat("./bus", 040 [pid 7436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(3, [pid 7442] <... creat resumed>) = 5 [pid 7441] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7441] <... futex resumed>) = 1 [pid 7437] <... futex resumed>) = 0 [pid 7436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7445] <... mount resumed>) = 0 [pid 7441] mkdirat(AT_FDCWD, "./file0", 000 [pid 7437] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(AT_FDCWD, "./133/binderfs", [pid 7445] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7441] <... mkdirat resumed>) = 0 [pid 7437] <... futex resumed>) = 0 [pid 7445] <... openat resumed>) = 3 [pid 7441] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] chdir("./file0" [pid 7441] <... futex resumed>) = 0 [pid 7437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7445] <... chdir resumed>) = 0 [pid 7441] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7437] exit_group(0 [pid 7453] <... futex resumed>) = ? [pid 7445] ioctl(4, LOOP_CLR_FD [pid 7441] <... futex resumed>) = ? [pid 7437] <... exit_group resumed>) = ? [pid 5051] unlink("./133/binderfs" [pid 7453] +++ exited with 0 +++ [pid 7445] <... ioctl resumed>) = 0 [pid 7441] +++ exited with 0 +++ [pid 7437] +++ exited with 0 +++ [pid 7445] close(4 [pid 7442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... unlink resumed>) = 0 [pid 7445] <... close resumed>) = 0 [pid 7442] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 7445] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 1 [pid 7442] mkdirat(AT_FDCWD, "./file0", 000 [pid 7439] <... futex resumed>) = 0 [pid 7436] <... futex resumed>) = 0 [pid 5051] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7445] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7442] <... mkdirat resumed>) = 0 [pid 7439] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7445] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7439] <... futex resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7437, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7445] <... open resumed>) = 4 [pid 7439] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7445] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7439] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7439] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] ftruncate(4, 33587195 [pid 7442] <... futex resumed>) = 1 [pid 7436] <... futex resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7442] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7436] exit_group(0 [pid 7442] <... futex resumed>) = ? [pid 7436] <... exit_group resumed>) = ? [pid 5055] newfstatat(3, "", [pid 7445] <... ftruncate resumed>) = 0 [pid 7442] +++ exited with 0 +++ [pid 7436] +++ exited with 0 +++ [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7436, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 7445] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... restart_syscall resumed>) = 0 [pid 7445] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7439] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5053] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7445] creat("./bus", 040 [pid 5053] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... openat resumed>) = 3 [pid 5053] newfstatat(3, "", [pid 5055] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] getdents64(3, [pid 5055] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] unlink("./127/binderfs" [pid 5053] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7445] <... creat resumed>) = 5 [pid 5055] <... unlink resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./129/binderfs", [pid 5055] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./129/binderfs" [pid 7445] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7439] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... unlink resumed>) = 0 [pid 5053] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7439] <... futex resumed>) = 0 [pid 7439] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7445] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7439] exit_group(0) = ? [pid 7445] +++ exited with 0 +++ [pid 7439] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7439, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5052] <... umount2 resumed>) = 0 [pid 5056] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] unlink("./129/binderfs") = 0 [pid 5056] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./130/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./130/file0") = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 5052] rmdir("./130") = 0 [pid 5052] mkdir("./131", 0777) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5056] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./129/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./129/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./129") = 0 [pid 5056] mkdir("./130", 0777) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] <... openat resumed>) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = 0 [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7455 attached [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7455 [pid 7455] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7455] chdir("./131" [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7456 [pid 7455] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 7456 attached [pid 7455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7455] setpgid(0, 0) = 0 [pid 7455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7456] set_robust_list(0x55555656d6a0, 24 [pid 7455] <... openat resumed>) = 3 [pid 7456] <... set_robust_list resumed>) = 0 [pid 7456] chdir("./130" [pid 7455] write(3, "1000", 4 [pid 7456] <... chdir resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7456] setpgid(0, 0 [pid 7455] <... write resumed>) = 4 [pid 7456] <... setpgid resumed>) = 0 [pid 7455] close(3) = 0 [pid 7455] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7455] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7455] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7455] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7455] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7457]}, 88) = 7457 [pid 7455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7455] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7455] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7457 attached [pid 7456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7457] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7457] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7457] memfd_create("syzkaller", 0) = 3 [pid 7456] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = 0 [pid 7456] write(3, "1000", 4 [pid 7457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7456] <... write resumed>) = 4 [pid 5051] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] close(3) = 0 [pid 7456] symlink("/dev/binderfs", "./binderfs" [pid 7457] <... mmap resumed>) = 0x7f8720789000 [pid 7456] <... symlink resumed>) = 0 [pid 7456] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 5055] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./133/file0", [pid 7456] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] newfstatat(AT_FDCWD, "./127/file0", [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7456] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(AT_FDCWD, "./126/file0", [pid 7456] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7456] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", [pid 5051] <... openat resumed>) = 4 [pid 7456] <... mprotect resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, [pid 7456] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] newfstatat(4, "", [pid 7456] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] getdents64(4, [pid 5054] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7456] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] close(4 [pid 5053] newfstatat(AT_FDCWD, "./129/file0", [pid 5055] <... close resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7458 attached [pid 5055] rmdir("./127/file0" [pid 5053] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(4, [pid 7458] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7456] <... clone3 resumed> => {parent_tid=[7458]}, 88) = 7458 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7458] <... rseq resumed>) = 0 [pid 7456] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] getdents64(3, [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] newfstatat(4, "", [pid 5053] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7458] set_robust_list(0x7f8728ba99a0, 24 [pid 7456] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, [pid 7458] <... set_robust_list resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7458] rt_sigprocmask(SIG_SETMASK, [], [pid 7456] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(4, [pid 5051] close(4 [pid 7458] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] close(3 [pid 5053] <... openat resumed>) = 4 [pid 5051] <... close resumed>) = 0 [pid 7458] memfd_create("syzkaller", 0 [pid 7456] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] newfstatat(4, "", [pid 5051] rmdir("./133/file0" [pid 7458] <... memfd_create resumed>) = 3 [pid 7456] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] rmdir("./127" [pid 5054] getdents64(4, [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] getdents64(4, [pid 5051] <... rmdir resumed>) = 0 [pid 7458] <... mmap resumed>) = 0x7f8720789000 [pid 5055] mkdir("./128", 0777 [pid 5054] close(4 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(3, [pid 5055] <... mkdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] getdents64(4, [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] rmdir("./126/file0" [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] close(4) = 0 [pid 5054] getdents64(3, [pid 5053] rmdir("./129/file0") = 0 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] getdents64(3, [pid 5055] close(3 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3 [pid 5055] <... close resumed>) = 0 [pid 5053] close(3 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... close resumed>) = 0 [pid 5054] close(3 [pid 5051] <... close resumed>) = 0 [pid 5053] rmdir("./129"./strace-static-x86_64: Process 7459 attached [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7459 [pid 5053] <... rmdir resumed>) = 0 [pid 5053] mkdir("./130", 0777 [pid 5054] <... close resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] rmdir("./133" [pid 5054] rmdir("./126" [pid 7459] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] <... rmdir resumed>) = 0 [pid 5054] mkdir("./127", 0777 [pid 5053] <... openat resumed>) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] mkdir("./134", 0777 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 7459] <... set_robust_list resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7459] chdir("./128" [pid 5054] <... mkdir resumed>) = 0 [pid 7459] <... chdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5051] <... mkdir resumed>) = 0 [pid 7459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7460 attached [pid 7459] setpgid(0, 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7460 [pid 7460] set_robust_list(0x55555656d6a0, 24 [pid 7459] <... setpgid resumed>) = 0 [pid 7459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7460] <... set_robust_list resumed>) = 0 [pid 7459] <... openat resumed>) = 3 [pid 7457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7460] chdir("./130" [pid 7459] write(3, "1000", 4 [pid 7460] <... chdir resumed>) = 0 [pid 7459] <... write resumed>) = 4 [pid 7460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7459] close(3 [pid 7460] <... prctl resumed>) = 0 [pid 7459] <... close resumed>) = 0 [pid 7460] setpgid(0, 0 [pid 7459] symlink("/dev/binderfs", "./binderfs" [pid 7460] <... setpgid resumed>) = 0 [pid 7459] <... symlink resumed>) = 0 [pid 7460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... openat resumed>) = 3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7460] <... openat resumed>) = 3 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... openat resumed>) = 3 [pid 7460] write(3, "1000", 4) = 4 [pid 7459] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] close(3 [pid 7459] <... futex resumed>) = 0 [pid 7460] <... close resumed>) = 0 [pid 7459] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7460] symlink("/dev/binderfs", "./binderfs" [pid 7459] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7460] <... symlink resumed>) = 0 [pid 5054] close(3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5054] <... close resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7460] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7460] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7459] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7460] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7460] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7460] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7459] <... mmap resumed>) = 0x7f8728b89000 [pid 7460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7459] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] <... close resumed>) = 0 [pid 7460] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7459] <... mprotect resumed>) = 0 [pid 7460] <... mprotect resumed>) = 0 [pid 7459] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7460] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7460] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7459] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7462 attached ./strace-static-x86_64: Process 7461 attached [pid 7460] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7461 [pid 7462] set_robust_list(0x55555656d6a0, 24 [pid 7461] set_robust_list(0x55555656d6a0, 24 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7462 [pid 7462] <... set_robust_list resumed>) = 0 [pid 7461] <... set_robust_list resumed>) = 0 [pid 7460] <... clone3 resumed> => {parent_tid=[7463]}, 88) = 7463 [pid 7461] chdir("./127" [pid 7460] rt_sigprocmask(SIG_SETMASK, [], [pid 7461] <... chdir resumed>) = 0 [pid 7460] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7463 attached [pid 7461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7460] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7461] <... prctl resumed>) = 0 [pid 7460] <... futex resumed>) = 0 [pid 7463] <... rseq resumed>) = 0 [pid 7461] setpgid(0, 0 [pid 7460] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7459] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7464 attached [pid 7463] set_robust_list(0x7f8728ba99a0, 24 [pid 7461] <... setpgid resumed>) = 0 [pid 7462] chdir("./134") = 0 [pid 7463] <... set_robust_list resumed>) = 0 [pid 7461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7459] <... clone3 resumed> => {parent_tid=[7464]}, 88) = 7464 [pid 7462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7459] rt_sigprocmask(SIG_SETMASK, [], [pid 7462] <... prctl resumed>) = 0 [pid 7459] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7459] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] rt_sigprocmask(SIG_SETMASK, [], [pid 7462] setpgid(0, 0 [pid 7459] <... futex resumed>) = 0 [pid 7464] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7462] <... setpgid resumed>) = 0 [pid 7461] <... openat resumed>) = 3 [pid 7459] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7464] <... rseq resumed>) = 0 [pid 7463] memfd_create("syzkaller", 0 [pid 7462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7461] write(3, "1000", 4 [pid 7464] set_robust_list(0x7f8728ba99a0, 24 [pid 7463] <... memfd_create resumed>) = 3 [pid 7461] <... write resumed>) = 4 [pid 7464] <... set_robust_list resumed>) = 0 [pid 7463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7462] <... openat resumed>) = 3 [pid 7464] rt_sigprocmask(SIG_SETMASK, [], [pid 7463] <... mmap resumed>) = 0x7f8720789000 [pid 7462] write(3, "1000", 4 [pid 7461] close(3 [pid 7462] <... write resumed>) = 4 [pid 7461] <... close resumed>) = 0 [pid 7462] close(3 [pid 7461] symlink("/dev/binderfs", "./binderfs" [pid 7462] <... close resumed>) = 0 [pid 7461] <... symlink resumed>) = 0 [pid 7464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7462] symlink("/dev/binderfs", "./binderfs" [pid 7461] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] memfd_create("syzkaller", 0 [pid 7462] <... symlink resumed>) = 0 [pid 7461] <... futex resumed>) = 0 [pid 7464] <... memfd_create resumed>) = 3 [pid 7462] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7462] <... futex resumed>) = 0 [pid 7461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7462] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7464] <... mmap resumed>) = 0x7f8720789000 [pid 7462] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7462] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7462] <... mmap resumed>) = 0x7f8728b89000 [pid 7462] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7462] <... mprotect resumed>) = 0 [pid 7461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7462] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7462] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7461] <... mmap resumed>) = 0x7f8728b89000 [pid 7461] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7462] <... clone3 resumed> => {parent_tid=[7465]}, 88) = 7465 [pid 7461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7466 attached ./strace-static-x86_64: Process 7465 attached [pid 7462] rt_sigprocmask(SIG_SETMASK, [], [pid 7466] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7465] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7462] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7466] <... rseq resumed>) = 0 [pid 7465] <... rseq resumed>) = 0 [pid 7462] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... clone3 resumed> => {parent_tid=[7466]}, 88) = 7466 [pid 7466] set_robust_list(0x7f8728ba99a0, 24 [pid 7465] set_robust_list(0x7f8728ba99a0, 24 [pid 7463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7462] <... futex resumed>) = 0 [pid 7461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7462] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7461] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7465] <... set_robust_list resumed>) = 0 [pid 7465] rt_sigprocmask(SIG_SETMASK, [], [pid 7461] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7466] <... set_robust_list resumed>) = 0 [pid 7465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7465] memfd_create("syzkaller", 0 [pid 7466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7465] <... memfd_create resumed>) = 3 [pid 7466] memfd_create("syzkaller", 0 [pid 7465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7466] <... memfd_create resumed>) = 3 [pid 7466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7457] <... write resumed>) = 4194304 [pid 7457] munmap(0x7f8720789000, 138412032 [pid 7458] <... write resumed>) = 4194304 [pid 7457] <... munmap resumed>) = 0 [pid 7458] munmap(0x7f8720789000, 138412032 [pid 7457] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7457] ioctl(4, LOOP_SET_FD, 3 [pid 7465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7458] <... munmap resumed>) = 0 [pid 7458] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7458] ioctl(4, LOOP_SET_FD, 3 [pid 7466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7458] <... ioctl resumed>) = 0 [pid 7458] close(3 [pid 7457] <... ioctl resumed>) = 0 [pid 7457] close(3) = 0 [pid 7457] mkdir("./file0", 0777 [pid 7458] <... close resumed>) = 0 [pid 7457] <... mkdir resumed>) = 0 [pid 7458] mkdir("./file0", 0777 [pid 7457] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7458] <... mkdir resumed>) = 0 [ 234.918176][ T7457] loop1: detected capacity change from 0 to 8192 [ 234.928544][ T7458] loop5: detected capacity change from 0 to 8192 [ 234.970921][ T7457] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 234.994620][ T7458] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7458] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7465] <... write resumed>) = 4194304 [pid 7465] munmap(0x7f8720789000, 138412032 [pid 7463] <... write resumed>) = 4194304 [pid 7463] munmap(0x7f8720789000, 138412032) = 0 [pid 7465] <... munmap resumed>) = 0 [pid 7464] <... write resumed>) = 4194304 [pid 7463] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 235.017431][ T7458] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 235.017730][ T7457] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 235.044405][ T7458] REISERFS (device loop5): using ordered data mode [ 235.054447][ T7458] reiserfs: using flush barriers [ 235.059536][ T7457] REISERFS (device loop1): using ordered data mode [pid 7463] ioctl(4, LOOP_SET_FD, 3 [pid 7465] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7464] munmap(0x7f8720789000, 138412032) = 0 [pid 7463] <... ioctl resumed>) = 0 [pid 7463] close(3) = 0 [pid 7463] mkdir("./file0", 0777) = 0 [pid 7464] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7463] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7464] <... openat resumed>) = 4 [pid 7464] ioctl(4, LOOP_SET_FD, 3 [pid 7465] <... openat resumed>) = 4 [ 235.062879][ T7463] loop2: detected capacity change from 0 to 8192 [ 235.068947][ T7457] reiserfs: using flush barriers [ 235.077871][ T7458] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.087867][ T7464] loop4: detected capacity change from 0 to 8192 [ 235.102809][ T7465] loop0: detected capacity change from 0 to 8192 [pid 7465] ioctl(4, LOOP_SET_FD, 3 [pid 7464] <... ioctl resumed>) = 0 [pid 7466] <... write resumed>) = 4194304 [pid 7465] <... ioctl resumed>) = 0 [pid 7464] close(3) = 0 [pid 7464] mkdir("./file0", 0777) = 0 [ 235.104816][ T7457] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.112881][ T7458] REISERFS (device loop5): checking transaction log (loop5) [ 235.125916][ T7463] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.134023][ T7457] REISERFS (device loop1): checking transaction log (loop1) [ 235.150371][ T7458] REISERFS (device loop5): Using tea hash to sort names [ 235.154571][ T7463] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 7466] munmap(0x7f8720789000, 138412032 [pid 7465] close(3 [pid 7464] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7466] <... munmap resumed>) = 0 [pid 7465] <... close resumed>) = 0 [pid 7465] mkdir("./file0", 0777) = 0 [pid 7458] <... mount resumed>) = 0 [pid 7465] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7466] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 235.162358][ T7457] REISERFS (device loop1): Using tea hash to sort names [ 235.169735][ T7458] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 235.186926][ T7457] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 235.192736][ T7464] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.197075][ T7463] REISERFS (device loop2): using ordered data mode [ 235.215817][ T7463] reiserfs: using flush barriers [pid 7466] ioctl(4, LOOP_SET_FD, 3 [pid 7457] <... mount resumed>) = 0 [pid 7457] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7458] <... openat resumed>) = 3 [pid 7457] <... openat resumed>) = 3 [pid 7466] <... ioctl resumed>) = 0 [pid 7466] close(3) = 0 [ 235.217123][ T7465] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 235.223317][ T7466] loop3: detected capacity change from 0 to 8192 [ 235.240642][ T7463] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.241548][ T7465] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7466] mkdir("./file0", 0777) = 0 [pid 7458] chdir("./file0" [pid 7457] chdir("./file0" [pid 7466] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7458] <... chdir resumed>) = 0 [pid 7457] <... chdir resumed>) = 0 [pid 7458] ioctl(4, LOOP_CLR_FD [ 235.259901][ T7463] REISERFS (device loop2): checking transaction log (loop2) [ 235.266842][ T7464] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 235.275561][ T7465] REISERFS (device loop0): using ordered data mode [ 235.285280][ T7464] REISERFS (device loop4): using ordered data mode [ 235.290518][ T7463] REISERFS (device loop2): Using tea hash to sort names [ 235.296422][ T7464] reiserfs: using flush barriers [ 235.303732][ T7466] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7457] ioctl(4, LOOP_CLR_FD [pid 7458] <... ioctl resumed>) = 0 [pid 7457] <... ioctl resumed>) = 0 [pid 7458] close(4 [pid 7457] close(4 [pid 7458] <... close resumed>) = 0 [pid 7457] <... close resumed>) = 0 [pid 7457] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 235.310319][ T7465] reiserfs: using flush barriers [ 235.321444][ T7463] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 235.326276][ T7464] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.334989][ T7466] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... mount resumed>) = 0 [pid 7458] <... futex resumed>) = 1 [pid 7457] <... futex resumed>) = 1 [pid 7456] <... futex resumed>) = 0 [pid 7457] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7458] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7456] <... futex resumed>) = 0 [pid 7463] <... openat resumed>) = 3 [pid 7456] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] chdir("./file0") = 0 [pid 7463] ioctl(4, LOOP_CLR_FD) = 0 [pid 7463] close(4 [pid 7458] <... open resumed>) = 4 [pid 7458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7456] <... futex resumed>) = 0 [pid 7456] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] ftruncate(4, 33587195 [pid 7456] <... futex resumed>) = 0 [pid 7463] <... close resumed>) = 0 [pid 7463] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7460] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7460] <... futex resumed>) = 0 [pid 7460] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] <... open resumed>) = 4 [pid 7463] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7463] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7460] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 1 [pid 7457] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7463] <... futex resumed>) = 0 [pid 7457] <... open resumed>) = 4 [pid 7455] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] <... ftruncate resumed>) = 0 [pid 7458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] ftruncate(4, 33587195) = 0 [pid 7458] <... futex resumed>) = 1 [pid 7457] <... futex resumed>) = 1 [pid 7456] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7456] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7456] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 235.370555][ T7466] REISERFS (device loop3): using ordered data mode [ 235.377223][ T7466] reiserfs: using flush barriers [ 235.386505][ T7466] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.404071][ T7466] REISERFS (device loop3): checking transaction log (loop3) [pid 7457] ftruncate(4, 33587195 [pid 7458] creat("./bus", 040 [pid 7463] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7463] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7457] <... ftruncate resumed>) = 0 [pid 7460] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7463] <... futex resumed>) = 0 [pid 7463] creat("./bus", 040) = 5 [pid 7463] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... creat resumed>) = 5 [pid 7457] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = 1 [pid 7455] <... futex resumed>) = 0 [pid 7458] <... futex resumed>) = 1 [pid 7457] creat("./bus", 040 [pid 7456] <... futex resumed>) = 0 [pid 7455] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7458] mkdirat(AT_FDCWD, "./file0", 000 [pid 7457] <... creat resumed>) = 5 [pid 7456] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... futex resumed>) = 0 [pid 7466] <... mount resumed>) = 0 [pid 7463] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... mkdirat resumed>) = 0 [pid 7456] <... futex resumed>) = 0 [pid 7455] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] <... futex resumed>) = 0 [pid 7458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] <... futex resumed>) = 0 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7457] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] exit_group(0 [pid 7458] <... futex resumed>) = ? [pid 7457] <... futex resumed>) = 1 [pid 7456] <... exit_group resumed>) = ? [pid 7455] <... futex resumed>) = 0 [pid 7466] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] +++ exited with 0 +++ [pid 7457] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7456] +++ exited with 0 +++ [pid 7455] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7456, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7457] mkdirat(AT_FDCWD, "./file0", 000 [pid 7455] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 7457] <... mkdirat resumed>) = 0 [pid 5056] <... restart_syscall resumed>) = 0 [ 235.415298][ T7465] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 235.415746][ T7466] REISERFS (device loop3): Using tea hash to sort names [ 235.439358][ T7466] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 235.449994][ T7464] REISERFS (device loop4): checking transaction log (loop4) [ 235.459300][ T7464] REISERFS (device loop4): Using tea hash to sort names [pid 7466] <... openat resumed>) = 3 [pid 7463] mkdirat(AT_FDCWD, "./file0", 000 [pid 7457] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] chdir("./file0" [pid 7457] <... futex resumed>) = 1 [pid 7455] <... futex resumed>) = 0 [pid 7466] <... chdir resumed>) = 0 [pid 7457] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7455] exit_group(0 [pid 5056] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] ioctl(4, LOOP_CLR_FD [pid 7457] <... futex resumed>) = ? [pid 7455] <... exit_group resumed>) = ? [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7466] <... ioctl resumed>) = 0 [pid 7464] <... mount resumed>) = 0 [pid 7463] <... mkdirat resumed>) = 0 [pid 7457] +++ exited with 0 +++ [pid 7455] +++ exited with 0 +++ [pid 5056] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7466] close(4 [pid 7464] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7463] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 7466] <... close resumed>) = 0 [pid 7464] <... openat resumed>) = 3 [pid 7463] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7455, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] exit_group(0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 7466] <... futex resumed>) = 1 [pid 7461] <... futex resumed>) = 0 [pid 7460] <... exit_group resumed>) = ? [pid 5056] getdents64(3, [pid 5052] <... restart_syscall resumed>) = 0 [pid 7466] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7464] chdir("./file0" [pid 7463] <... futex resumed>) = ? [pid 7461] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7461] <... futex resumed>) = 0 [pid 5056] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 235.467344][ T7464] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7466] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7461] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] <... open resumed>) = 4 [pid 7464] <... chdir resumed>) = 0 [pid 7463] +++ exited with 0 +++ [pid 7460] +++ exited with 0 +++ [pid 5056] newfstatat(AT_FDCWD, "./130/binderfs", [pid 7466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] ioctl(4, LOOP_CLR_FD [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7466] <... futex resumed>) = 1 [pid 7464] <... ioctl resumed>) = 0 [pid 7461] <... futex resumed>) = 0 [pid 5056] unlink("./130/binderfs" [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7460, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5052] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7466] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7464] close(4 [pid 7461] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 5052] <... openat resumed>) = 3 [pid 7466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7464] <... close resumed>) = 0 [pid 7461] <... futex resumed>) = 0 [pid 5056] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... restart_syscall resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 7466] ftruncate(4, 33587195 [pid 7464] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7464] <... futex resumed>) = 1 [pid 7459] <... futex resumed>) = 0 [pid 5052] getdents64(3, [pid 7466] <... ftruncate resumed>) = 0 [pid 7464] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7459] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] <... futex resumed>) = 1 [pid 7464] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7461] <... futex resumed>) = 0 [pid 7459] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7466] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7464] <... open resumed>) = 4 [pid 7461] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... openat resumed>) = 3 [pid 5052] newfstatat(AT_FDCWD, "./131/binderfs", [pid 7466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7464] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... futex resumed>) = 0 [pid 5053] newfstatat(3, "", [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7464] <... futex resumed>) = 1 [pid 7461] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] unlink("./131/binderfs" [pid 7464] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] getdents64(3, [pid 5052] <... unlink resumed>) = 0 [pid 7466] creat("./bus", 040 [pid 7459] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] <... creat resumed>) = 5 [pid 7459] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5053] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7459] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./130/binderfs", [pid 7466] <... futex resumed>) = 1 [pid 7461] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7464] ftruncate(4, 33587195 [pid 7461] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] unlink("./130/binderfs" [pid 7461] <... futex resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [ 235.515883][ T7465] REISERFS (device loop0): checking transaction log (loop0) [ 235.550437][ T7465] REISERFS (device loop0): Using tea hash to sort names [pid 7461] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7466] mkdirat(AT_FDCWD, "./file0", 000 [pid 7464] <... ftruncate resumed>) = 0 [pid 7466] <... mkdirat resumed>) = 0 [pid 7466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7461] <... futex resumed>) = 0 [pid 7461] exit_group(0) = ? [pid 7464] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7466] +++ exited with 0 +++ [pid 7461] +++ exited with 0 +++ [pid 7459] <... futex resumed>) = 0 [pid 7459] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7461, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7459] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./127/binderfs") = 0 [pid 5054] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7464] creat("./bus", 040) = 5 [pid 7464] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7459] <... futex resumed>) = 0 [pid 7459] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] mkdirat(AT_FDCWD, "./file0", 000 [pid 7459] <... futex resumed>) = 0 [pid 7459] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] <... mkdirat resumed>) = 0 [pid 7464] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7459] <... futex resumed>) = 0 [pid 7459] exit_group(0 [pid 7464] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7459] <... exit_group resumed>) = ? [ 235.605507][ T7465] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7465] <... mount resumed>) = 0 [pid 7464] <... futex resumed>) = ? [pid 7465] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7465] chdir("./file0") = 0 [pid 7464] +++ exited with 0 +++ [pid 7459] +++ exited with 0 +++ [pid 5056] <... umount2 resumed>) = 0 [pid 5056] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7465] ioctl(4, LOOP_CLR_FD [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7459, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 7465] <... ioctl resumed>) = 0 [pid 5055] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7465] close(4 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7465] <... close resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7465] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 7465] <... futex resumed>) = 1 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7465] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./128/binderfs") = 0 [pid 5055] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7462] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./130/file0", [pid 7462] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = 0 [pid 7462] <... futex resumed>) = 1 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7465] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7462] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7465] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7465] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7462] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = 0 [pid 7462] <... futex resumed>) = 1 [pid 5056] <... openat resumed>) = 4 [pid 7465] ftruncate(4, 33587195 [pid 7462] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7465] <... ftruncate resumed>) = 0 [pid 5056] getdents64(4, [pid 5054] <... umount2 resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5054] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] rmdir("./130/file0" [pid 7465] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7465] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 5054] newfstatat(AT_FDCWD, "./127/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7462] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7462] <... futex resumed>) = 0 [pid 5056] close(3 [pid 7462] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... close resumed>) = 0 [pid 7465] creat("./bus", 040 [pid 5056] rmdir("./130" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", [pid 7465] <... creat resumed>) = 5 [pid 5056] <... rmdir resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./127/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] mkdir("./131", 0777 [pid 5054] close(3 [pid 5056] <... mkdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 7465] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] rmdir("./127" [pid 7465] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7465] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] mkdir("./128", 0777 [pid 7462] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7462] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5054] <... mkdir resumed>) = 0 [pid 7462] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 7465] mkdirat(AT_FDCWD, "./file0", 000 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7465] <... mkdirat resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] <... openat resumed>) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7465] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7465] <... futex resumed>) = 1 [pid 5054] close(3./strace-static-x86_64: Process 7473 attached [pid 7465] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] <... futex resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 7462] exit_group(0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7473 [pid 7473] set_robust_list(0x55555656d6a0, 24 [pid 7462] <... exit_group resumed>) = ? [pid 7465] <... futex resumed>) = ? [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7465] +++ exited with 0 +++ [pid 7462] +++ exited with 0 +++ [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7474 [pid 5052] newfstatat(AT_FDCWD, "./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7462, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7474 attached [pid 5052] <... openat resumed>) = 4 [pid 7473] <... set_robust_list resumed>) = 0 [pid 7474] set_robust_list(0x55555656d6a0, 24 [pid 5052] newfstatat(4, "", [pid 5051] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7474] <... set_robust_list resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7474] chdir("./128" [pid 5052] getdents64(4, [pid 5051] newfstatat(3, "", [pid 7474] <... chdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] getdents64(4, [pid 5051] getdents64(3, [pid 7474] <... prctl resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7474] setpgid(0, 0 [pid 5052] close(4 [pid 5051] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7474] <... setpgid resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] rmdir("./131/file0" [pid 7474] <... openat resumed>) = 3 [pid 5051] newfstatat(AT_FDCWD, "./134/binderfs", [pid 7474] write(3, "1000", 4 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7474] <... write resumed>) = 4 [pid 7474] close(3 [pid 5051] unlink("./134/binderfs" [pid 7474] <... close resumed>) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 7474] symlink("/dev/binderfs", "./binderfs" [pid 7473] chdir("./131" [pid 5052] getdents64(3, [pid 7474] <... symlink resumed>) = 0 [pid 5051] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7474] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7474] <... futex resumed>) = 0 [pid 7474] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5052] close(3 [pid 7474] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5052] <... close resumed>) = 0 [pid 7474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] rmdir("./131" [pid 7474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7473] <... chdir resumed>) = 0 [pid 7473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7473] setpgid(0, 0) = 0 [pid 7474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7474] <... mmap resumed>) = 0x7f8728b89000 [pid 7473] <... openat resumed>) = 3 [pid 7474] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7473] write(3, "1000", 4 [pid 5052] <... rmdir resumed>) = 0 [pid 7473] <... write resumed>) = 4 [pid 7474] <... mprotect resumed>) = 0 [pid 7473] close(3 [pid 5052] mkdir("./132", 0777 [pid 7474] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7473] <... close resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 7473] symlink("/dev/binderfs", "./binderfs" [pid 7474] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3 [pid 7474] <... clone3 resumed> => {parent_tid=[7475]}, 88) = 7475 [pid 5052] <... close resumed>) = 0 ./strace-static-x86_64: Process 7475 attached [pid 7474] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7475] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7475] <... rseq resumed>) = 0 [pid 7474] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] set_robust_list(0x7f8728ba99a0, 24 [pid 7474] <... futex resumed>) = 0 [pid 7475] <... set_robust_list resumed>) = 0 [pid 7474] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7476 attached [pid 7475] rt_sigprocmask(SIG_SETMASK, [], [pid 7473] <... symlink resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7476 [pid 7476] set_robust_list(0x55555656d6a0, 24 [pid 7475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7473] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = 0 [pid 7476] <... set_robust_list resumed>) = 0 [pid 7475] memfd_create("syzkaller", 0 [pid 7473] <... futex resumed>) = 0 [pid 7476] chdir("./132" [pid 7475] <... memfd_create resumed>) = 3 [pid 7473] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7473] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7476] <... chdir resumed>) = 0 [pid 7475] <... mmap resumed>) = 0x7f8720789000 [pid 7473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7476] <... prctl resumed>) = 0 [pid 7476] setpgid(0, 0) = 0 [pid 7476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7476] <... openat resumed>) = 3 [pid 7473] <... mmap resumed>) = 0x7f8728b89000 [pid 7476] write(3, "1000", 4) = 4 [pid 7476] close(3 [pid 7473] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7476] <... close resumed>) = 0 [pid 7473] <... mprotect resumed>) = 0 [pid 7476] symlink("/dev/binderfs", "./binderfs" [pid 7473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] <... umount2 resumed>) = 0 [pid 7476] <... symlink resumed>) = 0 [pid 7476] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] newfstatat(AT_FDCWD, "./128/file0", [pid 7476] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7476] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7476] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7473] <... clone3 resumed> => {parent_tid=[7477]}, 88) = 7477 [pid 5055] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7473] rt_sigprocmask(SIG_SETMASK, [], [pid 7476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7473] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7477 attached [pid 7476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7477] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7473] <... futex resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 7473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] newfstatat(4, "", [pid 7477] <... rseq resumed>) = 0 [pid 7476] <... mmap resumed>) = 0x7f8728b89000 [pid 7477] set_robust_list(0x7f8728ba99a0, 24 [pid 7476] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7477] <... set_robust_list resumed>) = 0 [pid 7477] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] getdents64(4, [pid 7476] <... mprotect resumed>) = 0 [pid 5053] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7476] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7477] memfd_create("syzkaller", 0 [pid 7476] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7477] <... memfd_create resumed>) = 3 [pid 7476] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] getdents64(4, [pid 5053] newfstatat(AT_FDCWD, "./130/file0", [pid 7477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7478 attached [pid 7477] <... mmap resumed>) = 0x7f8720789000 [pid 7476] <... clone3 resumed> => {parent_tid=[7478]}, 88) = 7478 [pid 5055] close(4 [pid 5053] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7478] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7476] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] rmdir("./128/file0" [pid 7476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7478] <... rseq resumed>) = 0 [pid 7476] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 7478] set_robust_list(0x7f8728ba99a0, 24 [pid 7476] <... futex resumed>) = 0 [pid 5053] newfstatat(4, "", [pid 5055] getdents64(3, [pid 7478] <... set_robust_list resumed>) = 0 [pid 7476] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7478] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] getdents64(4, [pid 7478] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7478] memfd_create("syzkaller", 0 [pid 5053] getdents64(4, [pid 7478] <... memfd_create resumed>) = 3 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./130/file0") = 0 [pid 7478] <... mmap resumed>) = 0x7f8720789000 [pid 5053] getdents64(3, [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3 [pid 5053] close(3) = 0 [pid 5053] rmdir("./130" [pid 5055] <... close resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5055] rmdir("./128" [pid 5053] mkdir("./131", 0777 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5055] mkdir("./129", 0777 [pid 7475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] <... openat resumed>) = 3 [pid 5055] <... openat resumed>) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3 [pid 5055] close(3 [pid 5053] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7479 attached [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7479 [pid 7479] set_robust_list(0x55555656d6a0, 24./strace-static-x86_64: Process 7480 attached ) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7480 [pid 7480] set_robust_list(0x55555656d6a0, 24 [pid 7479] chdir("./131" [pid 5051] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7479] <... chdir resumed>) = 0 [pid 7477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] newfstatat(AT_FDCWD, "./134/file0", [pid 7479] <... prctl resumed>) = 0 [pid 7479] setpgid(0, 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7479] <... setpgid resumed>) = 0 [pid 5051] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7480] <... set_robust_list resumed>) = 0 [pid 7479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7480] chdir("./129") = 0 [pid 5051] <... openat resumed>) = 4 [pid 7479] <... openat resumed>) = 3 [pid 7480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] newfstatat(4, "", [pid 7480] <... prctl resumed>) = 0 [pid 7480] setpgid(0, 0 [pid 7479] write(3, "1000", 4 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7480] <... setpgid resumed>) = 0 [pid 7480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] getdents64(4, [pid 7479] <... write resumed>) = 4 [pid 7480] <... openat resumed>) = 3 [pid 7479] close(3 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7479] <... close resumed>) = 0 [pid 7480] write(3, "1000", 4) = 4 [pid 7479] symlink("/dev/binderfs", "./binderfs" [pid 5051] getdents64(4, [pid 7480] close(3 [pid 7479] <... symlink resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7479] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] close(4 [pid 7480] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7479] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] rmdir("./134/file0" [pid 7480] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7480] <... futex resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7480] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7480] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] getdents64(3, [pid 7480] <... mprotect resumed>) = 0 [pid 7479] <... mmap resumed>) = 0x7f8728b89000 [pid 7480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7479] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7479] <... mprotect resumed>) = 0 [pid 5051] close(3 [pid 7480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7479] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7481 attached [], 8) = 0 [pid 5051] <... close resumed>) = 0 [pid 7481] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7480] <... clone3 resumed> => {parent_tid=[7481]}, 88) = 7481 [pid 7479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7480] rt_sigprocmask(SIG_SETMASK, [], [pid 7478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] rmdir("./134"./strace-static-x86_64: Process 7482 attached [pid 7481] <... rseq resumed>) = 0 [pid 7480] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... rmdir resumed>) = 0 [pid 7482] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7479] <... clone3 resumed> => {parent_tid=[7482]}, 88) = 7482 [pid 7482] <... rseq resumed>) = 0 [pid 7479] rt_sigprocmask(SIG_SETMASK, [], [pid 7482] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7482] rt_sigprocmask(SIG_SETMASK, [], [pid 7481] set_robust_list(0x7f8728ba99a0, 24 [pid 7480] <... futex resumed>) = 0 [pid 7482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7481] <... set_robust_list resumed>) = 0 [pid 7480] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7482] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] rt_sigprocmask(SIG_SETMASK, [], [pid 7479] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] mkdir("./135", 0777 [pid 7482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7481] memfd_create("syzkaller", 0 [pid 7482] memfd_create("syzkaller", 0 [pid 7481] <... memfd_create resumed>) = 3 [pid 7481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7482] <... memfd_create resumed>) = 3 [pid 7481] <... mmap resumed>) = 0x7f8720789000 [pid 5051] <... mkdir resumed>) = 0 [pid 7482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7479] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7482] <... mmap resumed>) = 0x7f8720789000 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7477] <... write resumed>) = 4194304 [pid 5051] <... openat resumed>) = 3 [pid 7477] munmap(0x7f8720789000, 138412032 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7477] <... munmap resumed>) = 0 [pid 5051] close(3 [pid 7477] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7477] <... openat resumed>) = 4 [pid 7477] ioctl(4, LOOP_SET_FD, 3 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7483 ./strace-static-x86_64: Process 7483 attached [pid 7481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7483] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7483] chdir("./135") = 0 [pid 7483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7483] setpgid(0, 0) = 0 [pid 7483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7477] <... ioctl resumed>) = 0 [pid 7483] <... openat resumed>) = 3 [pid 7483] write(3, "1000", 4) = 4 [pid 7477] close(3 [pid 7483] close(3 [pid 7477] <... close resumed>) = 0 [pid 7483] <... close resumed>) = 0 [pid 7477] mkdir("./file0", 0777 [pid 7483] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7477] <... mkdir resumed>) = 0 [pid 7483] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7483] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7477] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 236.141060][ T7477] loop5: detected capacity change from 0 to 8192 [pid 7483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7475] <... write resumed>) = 4194304 [pid 7483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7483] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7475] munmap(0x7f8720789000, 138412032 [pid 7483] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7485]}, 88) = 7485 [pid 7483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7483] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7483] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7485 attached [pid 7485] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7485] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7485] rt_sigprocmask(SIG_SETMASK, [], [pid 7475] <... munmap resumed>) = 0 [pid 7485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7485] memfd_create("syzkaller", 0) = 3 [pid 7485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7475] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7475] ioctl(4, LOOP_SET_FD, 3 [pid 7478] <... write resumed>) = 4194304 [pid 7475] <... ioctl resumed>) = 0 [ 236.195449][ T7477] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.212341][ T7477] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 236.236621][ T7475] loop3: detected capacity change from 0 to 8192 [pid 7475] close(3 [pid 7478] munmap(0x7f8720789000, 138412032) = 0 [pid 7478] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7475] <... close resumed>) = 0 [pid 7478] <... openat resumed>) = 4 [pid 7475] mkdir("./file0", 0777 [pid 7478] ioctl(4, LOOP_SET_FD, 3 [pid 7475] <... mkdir resumed>) = 0 [ 236.246438][ T7477] REISERFS (device loop5): using ordered data mode [ 236.252987][ T7477] reiserfs: using flush barriers [ 236.263866][ T7478] loop1: detected capacity change from 0 to 8192 [pid 7475] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7478] <... ioctl resumed>) = 0 [pid 7478] close(3) = 0 [pid 7478] mkdir("./file0", 0777) = 0 [pid 7478] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 236.288178][ T7477] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.301333][ T7478] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.318132][ T7478] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 236.327520][ T7478] REISERFS (device loop1): using ordered data mode [pid 7485] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7481] <... write resumed>) = 4194304 [pid 7481] munmap(0x7f8720789000, 138412032) = 0 [ 236.334845][ T7478] reiserfs: using flush barriers [ 236.341756][ T7478] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.351527][ T7475] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.358665][ T7478] REISERFS (device loop1): checking transaction log (loop1) [ 236.381171][ T7478] REISERFS (device loop1): Using tea hash to sort names [pid 7478] <... mount resumed>) = 0 [pid 7482] <... write resumed>) = 4194304 [pid 7481] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7481] ioctl(4, LOOP_SET_FD, 3 [pid 7478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7478] chdir("./file0") = 0 [pid 7478] ioctl(4, LOOP_CLR_FD) = 0 [pid 7478] close(4) = 0 [pid 7478] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] <... futex resumed>) = 0 [pid 7476] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7476] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] munmap(0x7f8720789000, 138412032 [pid 7478] <... futex resumed>) = 1 [pid 7482] <... munmap resumed>) = 0 [ 236.393198][ T7478] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 236.394423][ T7477] REISERFS (device loop5): checking transaction log (loop5) [ 236.422662][ T7481] loop4: detected capacity change from 0 to 8192 [ 236.433716][ T7475] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7478] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7478] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7478] <... futex resumed>) = 1 [pid 7482] <... openat resumed>) = 4 [pid 7478] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7482] ioctl(4, LOOP_SET_FD, 3 [pid 7476] <... futex resumed>) = 0 [pid 7482] <... ioctl resumed>) = 0 [pid 7481] <... ioctl resumed>) = 0 [pid 7476] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] close(3 [pid 7478] <... futex resumed>) = 0 [pid 7476] <... futex resumed>) = 1 [pid 7478] ftruncate(4, 33587195 [pid 7482] <... close resumed>) = 0 [pid 7481] close(3 [pid 7478] <... ftruncate resumed>) = 0 [pid 7476] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] <... write resumed>) = 4194304 [pid 7482] mkdir("./file0", 0777 [pid 7478] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 236.442972][ T7475] REISERFS (device loop3): using ordered data mode [ 236.449937][ T7477] REISERFS (device loop5): Using tea hash to sort names [ 236.451725][ T7482] loop2: detected capacity change from 0 to 8192 [ 236.479156][ T7477] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 236.485111][ T7475] reiserfs: using flush barriers [pid 7478] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7482] <... mkdir resumed>) = 0 [pid 7485] munmap(0x7f8720789000, 138412032 [pid 7482] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7481] <... close resumed>) = 0 [pid 7477] <... mount resumed>) = 0 [pid 7476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] mkdir("./file0", 0777) = 0 [pid 7477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7481] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7477] <... openat resumed>) = 3 [pid 7485] <... munmap resumed>) = 0 [pid 7477] chdir("./file0") = 0 [pid 7477] ioctl(4, LOOP_CLR_FD) = 0 [pid 7476] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 236.495088][ T7475] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.513398][ T7481] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.513581][ T7475] REISERFS (device loop3): checking transaction log (loop3) [ 236.529550][ T7485] loop0: detected capacity change from 0 to 8192 [pid 7485] ioctl(4, LOOP_SET_FD, 3 [pid 7478] <... futex resumed>) = 0 [pid 7476] <... futex resumed>) = 1 [pid 7477] close(4 [pid 7478] creat("./bus", 040 [pid 7477] <... close resumed>) = 0 [ 236.534651][ T7481] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 236.549569][ T7481] REISERFS (device loop4): using ordered data mode [ 236.555125][ T7475] REISERFS (device loop3): Using tea hash to sort names [ 236.557154][ T7481] reiserfs: using flush barriers [ 236.563475][ T7475] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 236.570129][ T7481] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7485] <... ioctl resumed>) = 0 [pid 7477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... creat resumed>) = 5 [pid 7477] <... futex resumed>) = 1 [pid 7477] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] <... mount resumed>) = 0 [pid 7478] <... futex resumed>) = 0 [pid 7475] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7478] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7475] chdir("./file0" [pid 7476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7475] <... chdir resumed>) = 0 [pid 7473] <... futex resumed>) = 0 [pid 7476] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] ioctl(4, LOOP_CLR_FD [pid 7473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = 0 [pid 7477] <... futex resumed>) = 0 [pid 7476] <... futex resumed>) = 1 [pid 7475] <... ioctl resumed>) = 0 [pid 7473] <... futex resumed>) = 1 [pid 7478] mkdirat(AT_FDCWD, "./file0", 000 [pid 7477] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7476] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] close(4 [pid 7473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7478] <... mkdirat resumed>) = 0 [pid 7477] <... open resumed>) = 4 [pid 7475] <... close resumed>) = 0 [pid 7478] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = 1 [pid 7477] <... futex resumed>) = 1 [pid 7476] <... futex resumed>) = 0 [pid 7475] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7473] <... futex resumed>) = 0 [pid 7478] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7477] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7476] exit_group(0 [pid 7475] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 236.577742][ T7482] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.610465][ T7482] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 236.620187][ T7482] REISERFS (device loop2): using ordered data mode [ 236.627730][ T7482] reiserfs: using flush barriers [pid 7473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... futex resumed>) = ? [pid 7477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7476] <... exit_group resumed>) = ? [pid 7475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7474] <... futex resumed>) = 0 [pid 7473] <... futex resumed>) = 0 [pid 7478] +++ exited with 0 +++ [pid 7477] ftruncate(4, 33587195 [pid 7476] +++ exited with 0 +++ [pid 7475] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7474] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7477] <... ftruncate resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7476, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] <... open resumed>) = 4 [pid 7477] <... futex resumed>) = 1 [pid 7475] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... futex resumed>) = 0 [pid 7477] creat("./bus", 040 [pid 7475] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] <... creat resumed>) = 5 [pid 7475] ftruncate(4, 33587195 [pid 7474] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7485] close(3 [pid 7475] <... ftruncate resumed>) = 0 [pid 7474] <... futex resumed>) = 0 [pid 7473] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7485] <... close resumed>) = 0 [pid 7475] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7485] mkdir("./file0", 0777 [pid 7477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7475] <... futex resumed>) = 0 [pid 7474] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] <... mkdir resumed>) = 0 [pid 7475] creat("./bus", 040 [pid 7485] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7477] <... futex resumed>) = 1 [pid 7475] <... creat resumed>) = 5 [pid 7474] <... futex resumed>) = 0 [pid 7473] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7475] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 236.635362][ T7482] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 236.652654][ T7482] REISERFS (device loop2): checking transaction log (loop2) [ 236.664586][ T7481] REISERFS (device loop4): checking transaction log (loop4) [ 236.670742][ T7482] REISERFS (device loop2): Using tea hash to sort names [ 236.683507][ T7481] REISERFS (device loop4): Using tea hash to sort names [pid 7475] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7477] mkdirat(AT_FDCWD, "./file0", 000 [pid 7474] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(3, "", [pid 7474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7473] <... futex resumed>) = 0 [pid 7477] <... mkdirat resumed>) = 0 [pid 7473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7474] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7474] <... futex resumed>) = 1 [pid 7475] <... futex resumed>) = 0 [pid 7475] mkdirat(AT_FDCWD, "./file0", 000 [pid 7474] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7475] <... mkdirat resumed>) = 0 [pid 7475] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7475] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7477] <... futex resumed>) = 1 [pid 7474] <... futex resumed>) = 0 [pid 7473] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7477] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7474] exit_group(0 [pid 7473] exit_group(0 [pid 5052] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7473] <... exit_group resumed>) = ? [pid 7477] <... futex resumed>) = ? [pid 7474] <... exit_group resumed>) = ? [pid 7475] <... futex resumed>) = ? [pid 7477] +++ exited with 0 +++ [pid 7475] +++ exited with 0 +++ [pid 5052] unlink("./132/binderfs" [pid 7482] <... mount resumed>) = 0 [pid 7482] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7474] +++ exited with 0 +++ [pid 7482] chdir("./file0") = 0 [pid 7482] ioctl(4, LOOP_CLR_FD [pid 5052] <... unlink resumed>) = 0 [pid 7482] <... ioctl resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7474, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5052] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7482] close(4) = 0 [pid 7473] +++ exited with 0 +++ [pid 7482] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 236.685175][ T7482] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 236.705887][ T7485] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 236.715284][ T7481] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 236.720497][ T7485] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7482] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7473, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5054] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7479] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7479] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", [pid 5056] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7482] <... futex resumed>) = 0 [pid 7481] <... mount resumed>) = 0 [pid 7479] <... futex resumed>) = 1 [pid 5056] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] getdents64(3, [pid 7482] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7479] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] <... open resumed>) = 4 [ 236.761090][ T7485] REISERFS (device loop0): using ordered data mode [ 236.768079][ T7485] reiserfs: using flush barriers [ 236.790795][ T7485] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7482] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] <... openat resumed>) = 3 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7482] <... futex resumed>) = 1 [pid 7481] <... openat resumed>) = 3 [pid 7479] <... futex resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 5054] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7482] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] chdir("./file0" [pid 7479] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7481] <... chdir resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 5054] newfstatat(AT_FDCWD, "./128/binderfs", [pid 7481] ioctl(4, LOOP_CLR_FD [pid 7482] ftruncate(4, 33587195 [pid 7481] <... ioctl resumed>) = 0 [pid 7479] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7481] close(4 [pid 5056] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] unlink("./128/binderfs" [pid 7481] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./131/binderfs", [pid 7481] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] <... ftruncate resumed>) = 0 [pid 7481] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 7481] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] unlink("./131/binderfs" [pid 5054] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7480] <... futex resumed>) = 0 [pid 7481] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7480] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... unlink resumed>) = 0 [ 236.808059][ T7485] REISERFS (device loop0): checking transaction log (loop0) [ 236.823517][ T7485] REISERFS (device loop0): Using tea hash to sort names [pid 7482] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... open resumed>) = 4 [pid 5056] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = 0 [pid 7482] <... futex resumed>) = 1 [pid 7479] <... futex resumed>) = 0 [pid 7482] creat("./bus", 040 [pid 7479] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] <... mount resumed>) = 0 [pid 7481] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = 0 [pid 5052] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7485] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7481] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 7479] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7481] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./132/file0", [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7480] <... futex resumed>) = 0 [pid 7485] <... openat resumed>) = 3 [pid 7481] ftruncate(4, 33587195 [pid 7480] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7485] chdir("./file0" [pid 7482] <... creat resumed>) = 5 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7485] <... chdir resumed>) = 0 [pid 7482] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... ftruncate resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7485] ioctl(4, LOOP_CLR_FD [pid 7482] <... futex resumed>) = 1 [pid 7479] <... futex resumed>) = 0 [pid 7479] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7479] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] mkdirat(AT_FDCWD, "./file0", 000 [pid 7485] <... ioctl resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 7481] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] close(4 [pid 7482] <... mkdirat resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 7481] <... futex resumed>) = 1 [pid 7485] <... close resumed>) = 0 [pid 7480] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7485] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 7485] <... futex resumed>) = 1 [pid 7483] <... futex resumed>) = 0 [pid 7482] <... futex resumed>) = 1 [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7480] <... futex resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7485] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7482] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7481] creat("./bus", 040 [pid 7480] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] exit_group(0 [pid 5052] getdents64(4, [pid 7485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7483] <... futex resumed>) = 0 [pid 7482] <... futex resumed>) = ? [pid 7479] <... exit_group resumed>) = ? [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7485] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7483] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7482] +++ exited with 0 +++ [pid 7479] +++ exited with 0 +++ [pid 5052] close(4 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7479, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7485] <... open resumed>) = 4 [pid 5052] <... close resumed>) = 0 [ 236.858064][ T7485] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7485] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... creat resumed>) = 5 [pid 5052] rmdir("./132/file0" [pid 7485] <... futex resumed>) = 1 [pid 7485] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7483] <... futex resumed>) = 0 [pid 7481] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... rmdir resumed>) = 0 [pid 7483] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = 1 [pid 7480] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] getdents64(3, [pid 7485] <... futex resumed>) = 0 [pid 7483] <... futex resumed>) = 1 [pid 7481] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7485] ftruncate(4, 33587195 [pid 7483] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7480] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7485] <... ftruncate resumed>) = 0 [pid 7481] mkdirat(AT_FDCWD, "./file0", 000 [pid 7480] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] newfstatat(3, "", [pid 5052] close(3 [pid 7485] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... close resumed>) = 0 [pid 7485] <... futex resumed>) = 1 [pid 7481] <... mkdirat resumed>) = 0 [pid 7483] <... futex resumed>) = 0 [pid 5053] getdents64(3, [pid 5052] rmdir("./132" [pid 7485] creat("./bus", 040 [pid 7483] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7485] <... creat resumed>) = 5 [pid 7483] <... futex resumed>) = 0 [pid 5053] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... rmdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7483] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] newfstatat(AT_FDCWD, "./131/binderfs", [pid 5052] mkdir("./133", 0777 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./131/binderfs" [pid 5052] <... mkdir resumed>) = 0 [pid 7481] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7480] <... futex resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7485] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] exit_group(0 [pid 5053] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7485] <... futex resumed>) = 1 [pid 7483] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7485] mkdirat(AT_FDCWD, "./file0", 000 [pid 7483] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7481] <... futex resumed>) = ? [pid 7480] <... exit_group resumed>) = ? [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7481] +++ exited with 0 +++ [pid 7480] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7480, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5052] close(3 [pid 7483] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7485] <... mkdirat resumed>) = 0 [pid 7483] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7492 [pid 5055] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7492 attached ) = 3 [pid 5055] newfstatat(3, "", [pid 7492] set_robust_list(0x55555656d6a0, 24 [pid 7485] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7492] <... set_robust_list resumed>) = 0 [pid 5055] getdents64(3, [pid 7492] chdir("./133" [pid 7485] <... futex resumed>) = 1 [pid 7483] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7492] <... chdir resumed>) = 0 [pid 7483] exit_group(0 [pid 5055] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7483] <... exit_group resumed>) = ? [pid 7492] <... prctl resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7485] +++ exited with 0 +++ [pid 7492] setpgid(0, 0 [pid 7483] +++ exited with 0 +++ [pid 5055] newfstatat(AT_FDCWD, "./129/binderfs", [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7483, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 7492] <... setpgid resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... restart_syscall resumed>) = 0 [pid 5055] unlink("./129/binderfs" [pid 7492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... unlink resumed>) = 0 [pid 5055] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7492] <... openat resumed>) = 3 [pid 7492] write(3, "1000", 4 [pid 5051] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./135/binderfs" [pid 7492] <... write resumed>) = 4 [pid 5051] <... unlink resumed>) = 0 [pid 7492] close(3) = 0 [pid 5051] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7492] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 7492] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... umount2 resumed>) = 0 [pid 7492] <... mmap resumed>) = 0x7f8728b89000 [pid 7492] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7493 attached [pid 7493] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7492] <... clone3 resumed> => {parent_tid=[7493]}, 88) = 7493 [pid 7493] <... rseq resumed>) = 0 [pid 5054] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./128/file0", [pid 7493] set_robust_list(0x7f8728ba99a0, 24 [pid 7492] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7493] <... set_robust_list resumed>) = 0 [pid 7492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7493] rt_sigprocmask(SIG_SETMASK, [], [pid 7492] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7492] <... futex resumed>) = 0 [pid 7493] memfd_create("syzkaller", 0 [pid 7492] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7493] <... memfd_create resumed>) = 3 [pid 5054] <... openat resumed>) = 4 [pid 7493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./128/file0") = 0 [pid 5056] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] getdents64(3, [pid 5056] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5054] close(3) = 0 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] rmdir("./128" [pid 5056] getdents64(4, [pid 5054] <... rmdir resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5054] mkdir("./129", 0777 [pid 5056] rmdir("./131/file0" [pid 5054] <... mkdir resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5056] close(3 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5056] <... close resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] rmdir("./131" [pid 5054] close(3 [pid 5056] <... rmdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5056] mkdir("./132", 0777 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7494 attached [pid 7494] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7494] chdir("./129" [pid 5056] <... openat resumed>) = 3 [pid 7494] <... chdir resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7494 [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7494] <... prctl resumed>) = 0 [pid 7494] setpgid(0, 0) = 0 [pid 7494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7495 [pid 7494] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7495 attached [pid 7494] write(3, "1000", 4 [pid 7495] set_robust_list(0x55555656d6a0, 24 [pid 7494] <... write resumed>) = 4 [pid 7495] <... set_robust_list resumed>) = 0 [pid 7494] close(3 [pid 7495] chdir("./132" [pid 7494] <... close resumed>) = 0 [pid 7495] <... chdir resumed>) = 0 [pid 7494] symlink("/dev/binderfs", "./binderfs" [pid 7495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7494] <... symlink resumed>) = 0 [pid 7495] <... prctl resumed>) = 0 [pid 7494] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] setpgid(0, 0 [pid 7494] <... futex resumed>) = 0 [pid 7495] <... setpgid resumed>) = 0 [pid 7494] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7494] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7495] <... openat resumed>) = 3 [pid 7494] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7495] write(3, "1000", 4 [pid 7494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7495] <... write resumed>) = 4 [pid 7494] <... mmap resumed>) = 0x7f8728b89000 [pid 7495] close(3 [pid 7494] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7495] <... close resumed>) = 0 [pid 7494] <... mprotect resumed>) = 0 [pid 7494] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7495] symlink("/dev/binderfs", "./binderfs" [pid 7494] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7495] <... symlink resumed>) = 0 [pid 7494] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7496]}, 88) = 7496 [pid 7494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7494] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7496 attached [pid 7495] <... futex resumed>) = 0 [pid 7494] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7496] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7495] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7496] <... rseq resumed>) = 0 [pid 7495] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7496] set_robust_list(0x7f8728ba99a0, 24 [pid 7495] <... mprotect resumed>) = 0 [pid 7496] <... set_robust_list resumed>) = 0 [pid 7495] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7496] memfd_create("syzkaller", 0 [pid 5053] <... umount2 resumed>) = 0 [pid 7496] <... memfd_create resumed>) = 3 [pid 7495] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7496] <... mmap resumed>) = 0x7f8720789000 [pid 7493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7497 attached [pid 5053] newfstatat(AT_FDCWD, "./131/file0", [pid 7495] <... clone3 resumed> => {parent_tid=[7497]}, 88) = 7497 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7497] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 5053] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7495] rt_sigprocmask(SIG_SETMASK, [], [pid 7497] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7497] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7495] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7495] <... futex resumed>) = 0 [pid 7497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7495] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... openat resumed>) = 4 [pid 7497] memfd_create("syzkaller", 0 [pid 5053] newfstatat(4, "", [pid 7497] <... memfd_create resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./131/file0") = 0 [pid 5055] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./129/file0", [pid 5053] getdents64(3, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] close(3 [pid 5055] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... close resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] rmdir("./131" [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./129/file0") = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5055] rmdir("./129") = 0 [pid 5055] mkdir("./130", 0777 [pid 5053] mkdir("./132", 0777 [pid 5051] <... umount2 resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] <... openat resumed>) = 3 [pid 5051] newfstatat(AT_FDCWD, "./135/file0", [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] close(3 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] close(3 [pid 5051] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7498 [pid 5053] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7498 attached [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] newfstatat(4, "", [pid 7496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7499 attached [pid 7498] set_robust_list(0x55555656d6a0, 24 [pid 7493] <... write resumed>) = 4194304 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7499] set_robust_list(0x55555656d6a0, 24 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7499] <... set_robust_list resumed>) = 0 [pid 7498] <... set_robust_list resumed>) = 0 [pid 7497] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7493] munmap(0x7f8720789000, 138412032 [pid 5051] getdents64(4, [pid 7499] chdir("./132" [pid 7498] chdir("./130" [pid 7493] <... munmap resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7498] <... chdir resumed>) = 0 [pid 7499] <... chdir resumed>) = 0 [pid 7498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] close(4 [pid 7498] <... prctl resumed>) = 0 [pid 7499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... close resumed>) = 0 [pid 7499] <... prctl resumed>) = 0 [pid 7498] setpgid(0, 0 [pid 5051] rmdir("./135/file0" [pid 7499] setpgid(0, 0 [pid 7498] <... setpgid resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7499] <... setpgid resumed>) = 0 [pid 7498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] getdents64(3, [pid 7499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7498] <... openat resumed>) = 3 [pid 7493] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7499 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 7493] <... openat resumed>) = 4 [pid 5051] rmdir("./135" [pid 7499] <... openat resumed>) = 3 [pid 7498] write(3, "1000", 4 [pid 7493] ioctl(4, LOOP_SET_FD, 3 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] mkdir("./136", 0777 [pid 7499] write(3, "1000", 4 [pid 7498] <... write resumed>) = 4 [pid 7493] <... ioctl resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 7498] close(3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7498] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7499] <... write resumed>) = 4 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7499] close(3 [pid 7493] close(3 [pid 5051] close(3 [pid 7499] <... close resumed>) = 0 [pid 7498] symlink("/dev/binderfs", "./binderfs" [pid 7493] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7499] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7498] <... symlink resumed>) = 0 [pid 7493] mkdir("./file0", 0777 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7499] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7500 attached ) = 0 [pid 7498] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... mkdir resumed>) = 0 [pid 7500] set_robust_list(0x55555656d6a0, 24 [pid 7499] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7498] <... futex resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7500 [pid 7500] <... set_robust_list resumed>) = 0 [pid 7499] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7498] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7493] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7500] chdir("./136" [pid 7499] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7498] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7499] <... mmap resumed>) = 0x7f8728b89000 [pid 7498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7500] <... chdir resumed>) = 0 [pid 7500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7500] <... prctl resumed>) = 0 [pid 7499] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7498] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7500] setpgid(0, 0 [pid 7498] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7500] <... setpgid resumed>) = 0 [pid 7499] <... mprotect resumed>) = 0 [pid 7500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 237.335411][ T7493] loop1: detected capacity change from 0 to 8192 [ 237.368224][ T7493] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7499] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7498] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7500] <... openat resumed>) = 3 [pid 7499] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7500] write(3, "1000", 4 [pid 7499] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7500] <... write resumed>) = 4 [pid 7500] close(3) = 0 [pid 7500] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7500] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7499] <... clone3 resumed> => {parent_tid=[7502]}, 88) = 7502 [pid 7500] <... futex resumed>) = 0 [pid 7499] rt_sigprocmask(SIG_SETMASK, [], [pid 7500] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7500] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7499] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7499] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7502 attached [pid 7500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7499] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7502] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7503 attached [pid 7502] <... rseq resumed>) = 0 [pid 7500] <... mmap resumed>) = 0x7f8728b89000 [ 237.394819][ T7493] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 237.404263][ T7493] REISERFS (device loop1): using ordered data mode [ 237.410791][ T7493] reiserfs: using flush barriers [ 237.417781][ T7493] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.434990][ T7493] REISERFS (device loop1): checking transaction log (loop1) [pid 7498] <... clone3 resumed> => {parent_tid=[7503]}, 88) = 7503 [pid 7496] <... write resumed>) = 4194304 [pid 7500] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7498] rt_sigprocmask(SIG_SETMASK, [], [pid 7500] <... mprotect resumed>) = 0 [pid 7500] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7503] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7502] set_robust_list(0x7f8728ba99a0, 24 [pid 7500] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7498] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7498] <... futex resumed>) = 0 [pid 7503] <... rseq resumed>) = 0 [pid 7502] <... set_robust_list resumed>) = 0 [pid 7498] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7504 attached [pid 7503] set_robust_list(0x7f8728ba99a0, 24 [pid 7502] rt_sigprocmask(SIG_SETMASK, [], [pid 7500] <... clone3 resumed> => {parent_tid=[7504]}, 88) = 7504 [pid 7496] munmap(0x7f8720789000, 138412032 [pid 7493] <... mount resumed>) = 0 [pid 7504] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7503] <... set_robust_list resumed>) = 0 [pid 7502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7500] rt_sigprocmask(SIG_SETMASK, [], [pid 7504] <... rseq resumed>) = 0 [pid 7504] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7502] memfd_create("syzkaller", 0 [pid 7504] rt_sigprocmask(SIG_SETMASK, [], [pid 7503] rt_sigprocmask(SIG_SETMASK, [], [pid 7500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7493] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7503] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7500] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... openat resumed>) = 3 [pid 7504] memfd_create("syzkaller", 0 [pid 7496] <... munmap resumed>) = 0 [pid 7493] chdir("./file0" [pid 7500] <... futex resumed>) = 0 [pid 7504] <... memfd_create resumed>) = 3 [pid 7493] <... chdir resumed>) = 0 [pid 7504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7500] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7496] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7493] ioctl(4, LOOP_CLR_FD [pid 7504] <... mmap resumed>) = 0x7f8720789000 [pid 7503] memfd_create("syzkaller", 0 [pid 7502] <... memfd_create resumed>) = 3 [pid 7496] <... openat resumed>) = 4 [pid 7493] <... ioctl resumed>) = 0 [pid 7503] <... memfd_create resumed>) = 3 [pid 7502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7497] <... write resumed>) = 4194304 [pid 7496] ioctl(4, LOOP_SET_FD, 3 [pid 7493] close(4 [pid 7503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7502] <... mmap resumed>) = 0x7f8720789000 [pid 7496] <... ioctl resumed>) = 0 [pid 7493] <... close resumed>) = 0 [pid 7497] munmap(0x7f8720789000, 138412032) = 0 [ 237.443424][ T7493] REISERFS (device loop1): Using tea hash to sort names [ 237.450981][ T7493] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 237.475969][ T7496] loop3: detected capacity change from 0 to 8192 [pid 7497] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7497] ioctl(4, LOOP_SET_FD, 3 [pid 7496] close(3 [pid 7493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7503] <... mmap resumed>) = 0x7f8720789000 [pid 7496] <... close resumed>) = 0 [pid 7493] <... futex resumed>) = 1 [pid 7492] <... futex resumed>) = 0 [pid 7496] mkdir("./file0", 0777 [pid 7493] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7492] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7496] <... mkdir resumed>) = 0 [pid 7493] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7492] <... futex resumed>) = 0 [pid 7496] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7493] <... open resumed>) = 4 [ 237.490557][ T7497] loop5: detected capacity change from 0 to 8192 [pid 7492] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] <... ioctl resumed>) = 0 [pid 7493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] close(3) = 0 [pid 7497] mkdir("./file0", 0777) = 0 [pid 7497] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7493] <... futex resumed>) = 1 [pid 7492] <... futex resumed>) = 0 [pid 7493] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7492] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7492] <... futex resumed>) = 0 [pid 7493] ftruncate(4, 33587195 [pid 7492] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7493] <... ftruncate resumed>) = 0 [pid 7493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7492] <... futex resumed>) = 0 [pid 7493] creat("./bus", 040 [pid 7492] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7492] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7493] <... creat resumed>) = 5 [ 237.530770][ T7496] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.567682][ T7497] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7492] <... futex resumed>) = 0 [pid 7493] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7492] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7492] <... futex resumed>) = 0 [pid 7493] mkdirat(AT_FDCWD, "./file0", 000 [pid 7492] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7493] <... mkdirat resumed>) = 0 [pid 7502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7504] <... write resumed>) = 4194304 [pid 7493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7493] <... futex resumed>) = 1 [pid 7492] <... futex resumed>) = 0 [pid 7492] exit_group(0 [pid 7504] munmap(0x7f8720789000, 138412032 [pid 7492] <... exit_group resumed>) = ? [pid 7493] +++ exited with 0 +++ [pid 7492] +++ exited with 0 +++ [ 237.573808][ T7496] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 237.602002][ T7496] REISERFS (device loop3): using ordered data mode [ 237.609242][ T7496] reiserfs: using flush barriers [ 237.620660][ T7497] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 7504] <... munmap resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7492, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7504] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7504] close(3) = 0 [pid 7504] mkdir("./file0", 0777 [pid 5052] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7504] <... mkdir resumed>) = 0 [pid 7504] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] <... write resumed>) = 4194304 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 237.620729][ T7496] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.654061][ T7504] loop0: detected capacity change from 0 to 8192 [ 237.663774][ T7497] REISERFS (device loop5): using ordered data mode [ 237.670314][ T7497] reiserfs: using flush barriers [pid 5052] newfstatat(AT_FDCWD, "./133/binderfs", [pid 7502] munmap(0x7f8720789000, 138412032 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./133/binderfs" [pid 7502] <... munmap resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 7502] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5052] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 237.682462][ T7496] REISERFS (device loop3): checking transaction log (loop3) [ 237.694221][ T7497] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.718442][ T7502] loop2: detected capacity change from 0 to 8192 [pid 7502] ioctl(4, LOOP_SET_FD, 3 [pid 7503] <... write resumed>) = 4194304 [pid 7502] <... ioctl resumed>) = 0 [pid 7503] munmap(0x7f8720789000, 138412032 [ 237.721260][ T7504] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.728459][ T7497] REISERFS (device loop5): checking transaction log (loop5) [ 237.740261][ T7496] REISERFS (device loop3): Using tea hash to sort names [ 237.746276][ T7504] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 237.761866][ T7504] REISERFS (device loop0): using ordered data mode [ 237.768695][ T7504] reiserfs: using flush barriers [ 237.773315][ T7496] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7502] close(3 [pid 7503] <... munmap resumed>) = 0 [pid 7502] <... close resumed>) = 0 [pid 7496] <... mount resumed>) = 0 [pid 7496] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7502] mkdir("./file0", 0777 [pid 7496] chdir("./file0") = 0 [pid 7496] ioctl(4, LOOP_CLR_FD) = 0 [pid 7496] close(4 [pid 7502] <... mkdir resumed>) = 0 [pid 7496] <... close resumed>) = 0 [pid 7496] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [ 237.785070][ T7504] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.802416][ T7497] REISERFS (device loop5): Using tea hash to sort names [ 237.819616][ T29] kauditd_printk_skb: 15 callbacks suppressed [pid 7494] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7494] <... futex resumed>) = 0 [pid 7503] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7494] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7503] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7502] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7496] <... open resumed>) = 4 [pid 7496] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7496] ftruncate(4, 33587195 [pid 7494] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... ftruncate resumed>) = 0 [pid 7494] <... futex resumed>) = 0 [ 237.819630][ T29] audit: type=1800 audit(1698988382.574:795): pid=7496 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 237.834527][ T7504] REISERFS (device loop0): checking transaction log (loop0) [ 237.856177][ T7503] loop4: detected capacity change from 0 to 8192 [pid 7494] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = 0 [pid 7496] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7494] <... futex resumed>) = 0 [pid 7494] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7494] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7496] creat("./bus", 040 [pid 5052] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7497] <... mount resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./133/file0", [pid 7503] close(3 [pid 7497] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7496] <... creat resumed>) = 5 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7503] <... close resumed>) = 0 [pid 7503] mkdir("./file0", 0777) = 0 [pid 7503] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 237.876702][ T7502] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.889184][ T7497] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 237.902287][ T7502] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 237.903817][ T7504] REISERFS (device loop0): Using tea hash to sort names [ 237.911777][ T7502] REISERFS (device loop2): using ordered data mode [ 237.925568][ T7502] reiserfs: using flush barriers [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7504] <... mount resumed>) = 0 [pid 7497] <... openat resumed>) = 3 [pid 7496] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7504] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7497] chdir("./file0" [pid 7496] <... futex resumed>) = 1 [pid 7504] <... openat resumed>) = 3 [pid 7497] <... chdir resumed>) = 0 [pid 7496] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] chdir("./file0" [pid 7497] ioctl(4, LOOP_CLR_FD [pid 7504] <... chdir resumed>) = 0 [pid 7497] <... ioctl resumed>) = 0 [pid 7494] <... futex resumed>) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4 [pid 7504] ioctl(4, LOOP_CLR_FD [pid 5052] <... close resumed>) = 0 [pid 7497] close(4 [pid 5052] rmdir("./133/file0" [pid 7497] <... close resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7497] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7497] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7504] <... ioctl resumed>) = 0 [pid 7504] close(4) = 0 [pid 7504] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7500] <... futex resumed>) = 0 [pid 7500] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7500] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7494] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7504] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] <... futex resumed>) = 1 [pid 7500] <... futex resumed>) = 0 [pid 7500] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7500] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7495] <... futex resumed>) = 0 [ 237.933087][ T7504] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 237.936722][ T7502] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 237.949076][ T7503] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 237.984762][ T29] audit: type=1800 audit(1698988382.734:796): pid=7504 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 237.984912][ T7502] REISERFS (device loop2): checking transaction log (loop2) [ 238.005945][ T7503] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 7504] ftruncate(4, 33587195 [pid 7496] <... futex resumed>) = 0 [pid 7495] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3 [pid 7495] <... futex resumed>) = 1 [pid 7497] <... futex resumed>) = 0 [pid 7495] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 7497] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7497] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7497] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7495] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5052] rmdir("./133" [pid 7496] mkdirat(AT_FDCWD, "./file0", 000 [pid 7495] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7497] <... futex resumed>) = 0 [pid 7497] ftruncate(4, 33587195 [pid 5052] <... rmdir resumed>) = 0 [pid 5052] mkdir("./134", 0777 [pid 7497] <... ftruncate resumed>) = 0 [pid 7500] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7497] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7496] <... mkdirat resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 7500] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 7500] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7500] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7500] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} => {parent_tid=[7510]}, 88) = 7510 [pid 7500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7500] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7500] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7510 attached [pid 7510] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7510] set_robust_list(0x7f8728b889a0, 24 [pid 7504] <... ftruncate resumed>) = 0 [pid 7510] <... set_robust_list resumed>) = 0 [pid 7504] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] rt_sigprocmask(SIG_SETMASK, [], [pid 7504] <... futex resumed>) = 0 [pid 7510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7510] creat("./bus", 040 [pid 7504] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7510] <... creat resumed>) = 5 [pid 7497] <... futex resumed>) = 1 [pid 7496] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7510] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... mount resumed>) = 0 [pid 7497] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7496] <... futex resumed>) = 0 [pid 7495] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7510] <... futex resumed>) = 1 [pid 7500] <... futex resumed>) = 0 [pid 7494] exit_group(0 [pid 7510] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7494] <... exit_group resumed>) = ? [pid 7504] <... futex resumed>) = 0 [pid 7500] <... futex resumed>) = 1 [pid 7504] mkdirat(AT_FDCWD, "./file0", 000 [pid 7500] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7504] <... mkdirat resumed>) = 0 [pid 7504] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7500] <... futex resumed>) = 0 [pid 7497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7495] <... futex resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7504] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7500] exit_group(0 [pid 7510] <... futex resumed>) = ? [pid 7504] <... futex resumed>) = ? [pid 7500] <... exit_group resumed>) = ? [pid 7510] +++ exited with 0 +++ [pid 7504] +++ exited with 0 +++ [pid 7500] +++ exited with 0 +++ [pid 7495] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 238.035781][ T7502] REISERFS (device loop2): Using tea hash to sort names [ 238.043783][ T7502] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 238.055114][ T7503] REISERFS (device loop4): using ordered data mode [ 238.062210][ T7503] reiserfs: using flush barriers [pid 7502] <... openat resumed>) = 3 [pid 7497] creat("./bus", 040 [pid 7496] +++ exited with 0 +++ [pid 7494] +++ exited with 0 +++ [pid 5052] close(3 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7500, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7497] <... creat resumed>) = 5 [pid 5051] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] chdir("./file0" [pid 7497] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7494, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] <... chdir resumed>) = 0 [pid 7497] <... futex resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7511 [pid 5051] <... openat resumed>) = 3 [pid 7502] ioctl(4, LOOP_CLR_FD [pid 7497] mkdirat(AT_FDCWD, "./file0", 000 [pid 7495] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7502] <... ioctl resumed>) = 0 [pid 5051] newfstatat(3, "", [pid 7497] <... mkdirat resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7502] close(4 [pid 5051] getdents64(3, ./strace-static-x86_64: Process 7511 attached [pid 7502] <... close resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7502] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] <... futex resumed>) = 1 [pid 7511] set_robust_list(0x55555656d6a0, 24 [pid 7499] <... futex resumed>) = 0 [pid 7497] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7495] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./136/binderfs", [pid 7499] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] <... futex resumed>) = 0 [pid 7495] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] newfstatat(3, "", [ 238.070087][ T29] audit: type=1800 audit(1698988382.784:797): pid=7497 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 238.072583][ T7503] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.113472][ T7503] REISERFS (device loop4): checking transaction log (loop4) [ 238.127254][ T7503] REISERFS (device loop4): Using tea hash to sort names [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7511] <... set_robust_list resumed>) = 0 [pid 7502] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7499] <... futex resumed>) = 0 [pid 7497] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] unlink("./136/binderfs" [pid 7499] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7495] exit_group(0 [pid 5054] getdents64(3, [pid 7511] chdir("./134" [pid 7502] <... open resumed>) = 4 [pid 5051] <... unlink resumed>) = 0 [pid 7511] <... chdir resumed>) = 0 [pid 7502] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7502] <... futex resumed>) = 1 [pid 7499] <... futex resumed>) = 0 [pid 7497] <... futex resumed>) = ? [pid 7495] <... exit_group resumed>) = ? [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7511] <... prctl resumed>) = 0 [pid 7502] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7499] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7497] +++ exited with 0 +++ [pid 7495] +++ exited with 0 +++ [pid 7511] setpgid(0, 0 [pid 7503] <... mount resumed>) = 0 [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7499] <... futex resumed>) = 0 [pid 5054] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7499] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./129/binderfs") = 0 [pid 5054] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] <... setpgid resumed>) = 0 [pid 7503] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7502] ftruncate(4, 33587195 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7495, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5056] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7503] <... openat resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7503] chdir("./file0" [pid 5056] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", [pid 7502] <... ftruncate resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7503] <... chdir resumed>) = 0 [pid 5056] getdents64(3, [pid 7503] ioctl(4, LOOP_CLR_FD [pid 7511] <... openat resumed>) = 3 [pid 7503] <... ioctl resumed>) = 0 [pid 7502] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7511] write(3, "1000", 4 [pid 7503] close(4 [pid 7502] <... futex resumed>) = 1 [pid 7499] <... futex resumed>) = 0 [pid 5056] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] <... write resumed>) = 4 [pid 7503] <... close resumed>) = 0 [pid 7502] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7499] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7511] close(3 [pid 7503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7499] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./132/binderfs", [pid 7511] <... close resumed>) = 0 [pid 7503] <... futex resumed>) = 1 [pid 7502] creat("./bus", 040 [pid 7499] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7498] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7511] symlink("/dev/binderfs", "./binderfs" [pid 7503] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7502] <... creat resumed>) = 5 [ 238.165248][ T7503] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 238.180607][ T29] audit: type=1800 audit(1698988382.924:798): pid=7502 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 5056] unlink("./132/binderfs" [pid 7511] <... symlink resumed>) = 0 [pid 7502] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 7502] <... futex resumed>) = 1 [pid 5056] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7511] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] <... futex resumed>) = 0 [pid 7511] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7503] <... futex resumed>) = 0 [pid 7499] <... futex resumed>) = 0 [pid 7498] <... futex resumed>) = 1 [pid 7511] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7503] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7503] <... open resumed>) = 4 [pid 7499] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7499] <... futex resumed>) = 1 [pid 7499] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = 0 [pid 7511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7502] <... futex resumed>) = 0 [pid 7511] <... mmap resumed>) = 0x7f8728b89000 [pid 7503] <... futex resumed>) = 1 [pid 7502] mkdirat(AT_FDCWD, "./file0", 000 [pid 7498] <... futex resumed>) = 0 [pid 7511] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7503] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7502] <... mkdirat resumed>) = 0 [pid 7498] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 238.252686][ T29] audit: type=1800 audit(1698988383.004:799): pid=7503 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 7511] <... mprotect resumed>) = 0 [pid 7503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7502] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7498] <... futex resumed>) = 0 [pid 5051] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7503] ftruncate(4, 33587195 [pid 7502] <... futex resumed>) = 1 [pid 7499] <... futex resumed>) = 0 [pid 7498] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7499] exit_group(0 [pid 5051] newfstatat(AT_FDCWD, "./136/file0", [pid 7499] <... exit_group resumed>) = ? [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7502] +++ exited with 0 +++ [pid 7499] +++ exited with 0 +++ [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7511] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7499, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5051] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7511] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7503] <... ftruncate resumed>) = 0 [pid 5051] <... openat resumed>) = 4 [pid 7511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(4, "", [pid 7503] <... futex resumed>) = 1 [pid 7498] <... futex resumed>) = 0 [pid 7511] <... clone3 resumed> => {parent_tid=[7512]}, 88) = 7512 [pid 7503] creat("./bus", 040 [pid 7498] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7511] rt_sigprocmask(SIG_SETMASK, [], [pid 7503] <... creat resumed>) = 5 [pid 7498] <... futex resumed>) = 0 [pid 7511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7498] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] getdents64(4, ./strace-static-x86_64: Process 7512 attached [pid 7511] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7512] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7511] <... futex resumed>) = 0 [pid 7503] <... futex resumed>) = 1 [pid 7498] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7512] <... rseq resumed>) = 0 [pid 7511] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7503] mkdirat(AT_FDCWD, "./file0", 000 [pid 7498] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7512] set_robust_list(0x7f8728ba99a0, 24 [pid 7503] <... mkdirat resumed>) = 0 [pid 7498] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7512] <... set_robust_list resumed>) = 0 [pid 7498] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] getdents64(4, [pid 7512] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... openat resumed>) = 3 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] newfstatat(3, "", [pid 5051] close(4 [pid 7512] memfd_create("syzkaller", 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... close resumed>) = 0 [pid 7512] <... memfd_create resumed>) = 3 [pid 7503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(3, [pid 5051] rmdir("./136/file0" [pid 7512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7503] <... futex resumed>) = 1 [pid 7498] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... rmdir resumed>) = 0 [pid 7512] <... mmap resumed>) = 0x7f8720789000 [pid 7503] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7498] exit_group(0 [pid 5053] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(3, [pid 7503] <... futex resumed>) = ? [pid 7498] <... exit_group resumed>) = ? [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7503] +++ exited with 0 +++ [pid 7498] +++ exited with 0 +++ [pid 5053] newfstatat(AT_FDCWD, "./132/binderfs", [pid 5051] close(3 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7498, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./132/binderfs" [pid 5051] <... close resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5053] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] rmdir("./136") = 0 [pid 5055] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] mkdir("./137", 0777) = 0 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... openat resumed>) = 3 [pid 5055] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] newfstatat(AT_FDCWD, "./130/binderfs", [pid 5051] close(3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] unlink("./130/binderfs") = 0 [pid 5055] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7513 ./strace-static-x86_64: Process 7513 attached [pid 7513] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7513] chdir("./137") = 0 [pid 7513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7513] setpgid(0, 0) = 0 [pid 7513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7513] write(3, "1000", 4) = 4 [pid 7513] close(3) = 0 [pid 7513] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7513] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7513] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7513] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... umount2 resumed>) = 0 [pid 7513] <... mprotect resumed>) = 0 [pid 7513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7514 attached [pid 7512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7513] <... clone3 resumed> => {parent_tid=[7514]}, 88) = 7514 [pid 5056] <... umount2 resumed>) = 0 [pid 7514] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 5056] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] set_robust_list(0x7f8728ba99a0, 24 [pid 7513] rt_sigprocmask(SIG_SETMASK, [], [pid 7514] <... set_robust_list resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] rt_sigprocmask(SIG_SETMASK, [], [pid 7513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] newfstatat(AT_FDCWD, "./132/file0", [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] newfstatat(AT_FDCWD, "./129/file0", [pid 7514] memfd_create("syzkaller", 0 [pid 7513] <... futex resumed>) = 0 [pid 5056] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7514] <... memfd_create resumed>) = 3 [pid 7513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7514] <... mmap resumed>) = 0x7f8720789000 [pid 5056] <... openat resumed>) = 4 [pid 5054] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] newfstatat(4, "", [pid 5054] <... openat resumed>) = 4 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] newfstatat(4, "", [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5054] getdents64(4, [pid 5056] rmdir("./132/file0" [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] <... rmdir resumed>) = 0 [pid 5054] getdents64(4, [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5054] close(4 [pid 5056] rmdir("./132" [pid 5054] <... close resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5054] rmdir("./129/file0") = 0 [pid 5056] mkdir("./133", 0777 [pid 5054] getdents64(3, [pid 5056] <... mkdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./129" [pid 5056] <... openat resumed>) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5054] <... rmdir resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] mkdir("./130", 0777 [pid 5056] close(3 [pid 5054] <... mkdir resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7515 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7515 attached [pid 7515] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7515] chdir("./133") = 0 [pid 7515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7515] setpgid(0, 0) = 0 [pid 7515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7515] write(3, "1000", 4) = 4 [pid 7515] close(3) = 0 [pid 7515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7515] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7512] <... write resumed>) = 4194304 [pid 5053] <... umount2 resumed>) = 0 [pid 7515] <... futex resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7516 ./strace-static-x86_64: Process 7516 attached [pid 7515] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7512] munmap(0x7f8720789000, 138412032 [pid 7516] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7516] chdir("./130" [pid 7515] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7515] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7516] <... chdir resumed>) = 0 [pid 7515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7515] <... mmap resumed>) = 0x7f8728b89000 [pid 7516] <... prctl resumed>) = 0 [pid 7515] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7512] <... munmap resumed>) = 0 [pid 7516] setpgid(0, 0 [pid 7515] <... mprotect resumed>) = 0 [pid 7516] <... setpgid resumed>) = 0 [pid 7515] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7512] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5055] <... umount2 resumed>) = 0 [pid 7516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7515] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7512] <... openat resumed>) = 4 [pid 7515] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7516] <... openat resumed>) = 3 [pid 7512] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7517 attached [pid 7516] write(3, "1000", 4 [pid 7515] <... clone3 resumed> => {parent_tid=[7517]}, 88) = 7517 [pid 7516] <... write resumed>) = 4 [pid 7515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7515] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7515] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./132/file0", [pid 5055] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./130/file0", [pid 5053] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7517] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7516] close(3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7516] <... close resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 7517] <... rseq resumed>) = 0 [pid 5055] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7517] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] newfstatat(4, "", [pid 7517] <... set_robust_list resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7517] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7516] symlink("/dev/binderfs", "./binderfs" [pid 5055] <... openat resumed>) = 4 [pid 5053] getdents64(4, [pid 7517] memfd_create("syzkaller", 0 [pid 5055] newfstatat(4, "", [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7516] <... symlink resumed>) = 0 [pid 7516] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, [pid 7517] <... memfd_create resumed>) = 3 [pid 7516] <... futex resumed>) = 0 [pid 7512] <... ioctl resumed>) = 0 [pid 5055] getdents64(4, [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7516] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7512] close(3 [pid 7517] <... mmap resumed>) = 0x7f8720789000 [pid 7516] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7512] <... close resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] close(4 [pid 7516] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] getdents64(4, [pid 7512] mkdir("./file0", 0777 [pid 7516] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... close resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] rmdir("./132/file0" [pid 7516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7512] <... mkdir resumed>) = 0 [pid 5055] close(4 [pid 5053] <... rmdir resumed>) = 0 [pid 7516] <... mmap resumed>) = 0x7f8728b89000 [pid 7512] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] <... close resumed>) = 0 [pid 7516] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5055] rmdir("./130/file0" [pid 5053] getdents64(3, [pid 7516] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 5055] getdents64(3, [pid 5053] <... close resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] rmdir("./132" [pid 5055] close(3 [pid 5053] <... rmdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./130") = 0 [pid 7516] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] mkdir("./133", 0777 [pid 7516] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... mkdir resumed>) = 0 [pid 5055] mkdir("./131", 0777 [pid 7516] <... clone3 resumed> => {parent_tid=[7519]}, 88) = 7519 [pid 7516] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7519 attached NULL, 8) = 0 [pid 7516] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7519] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7516] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7519] <... rseq resumed>) = 0 [pid 7519] set_robust_list(0x7f8728ba99a0, 24 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] <... openat resumed>) = 3 [pid 7519] <... set_robust_list resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7519] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7519] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 238.604729][ T7512] loop1: detected capacity change from 0 to 8192 [ 238.631432][ T7512] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5053] close(3 [pid 7519] memfd_create("syzkaller", 0 [pid 5055] close(3 [pid 5053] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7520 ./strace-static-x86_64: Process 7520 attached [pid 7519] <... memfd_create resumed>) = 3 [pid 7519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7520] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7521 [pid 7520] <... set_robust_list resumed>) = 0 [pid 7520] chdir("./133") = 0 [pid 7517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 7521 attached [pid 7520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7514] <... write resumed>) = 4194304 [pid 7521] set_robust_list(0x55555656d6a0, 24 [pid 7520] <... prctl resumed>) = 0 [pid 7521] <... set_robust_list resumed>) = 0 [pid 7520] setpgid(0, 0) = 0 [pid 7520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7521] chdir("./131" [pid 7520] <... openat resumed>) = 3 [pid 7514] munmap(0x7f8720789000, 138412032 [pid 7521] <... chdir resumed>) = 0 [pid 7520] write(3, "1000", 4 [pid 7521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7520] <... write resumed>) = 4 [pid 7514] <... munmap resumed>) = 0 [pid 7521] <... prctl resumed>) = 0 [pid 7520] close(3 [pid 7521] setpgid(0, 0 [pid 7520] <... close resumed>) = 0 [pid 7520] symlink("/dev/binderfs", "./binderfs" [pid 7521] <... setpgid resumed>) = 0 [pid 7520] <... symlink resumed>) = 0 [ 238.660039][ T7512] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 238.691956][ T7512] REISERFS (device loop1): using ordered data mode [ 238.701919][ T7512] reiserfs: using flush barriers [pid 7514] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7520] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7514] <... openat resumed>) = 4 [pid 7521] <... openat resumed>) = 3 [pid 7520] <... futex resumed>) = 0 [pid 7514] ioctl(4, LOOP_SET_FD, 3 [pid 7520] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7521] write(3, "1000", 4 [pid 7520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7521] <... write resumed>) = 4 [pid 7520] <... mmap resumed>) = 0x7f8728b89000 [pid 7521] close(3 [pid 7520] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7521] <... close resumed>) = 0 [pid 7520] <... mprotect resumed>) = 0 [pid 7521] symlink("/dev/binderfs", "./binderfs" [pid 7520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7521] <... symlink resumed>) = 0 [pid 7520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7521] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7521] <... futex resumed>) = 0 [pid 7521] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7520] <... clone3 resumed> => {parent_tid=[7522]}, 88) = 7522 [pid 7521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7520] rt_sigprocmask(SIG_SETMASK, [], [pid 7521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7521] <... mmap resumed>) = 0x7f8728b89000 [pid 7520] <... futex resumed>) = 0 [pid 7521] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7521] <... mprotect resumed>) = 0 [pid 7521] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 7522 attached [], 8) = 0 [pid 7522] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7523 attached [pid 7522] <... rseq resumed>) = 0 [pid 7514] <... ioctl resumed>) = 0 [pid 7523] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7522] set_robust_list(0x7f8728ba99a0, 24 [pid 7521] <... clone3 resumed> => {parent_tid=[7523]}, 88) = 7523 [pid 7514] close(3 [pid 7523] <... rseq resumed>) = 0 [pid 7522] <... set_robust_list resumed>) = 0 [pid 7521] rt_sigprocmask(SIG_SETMASK, [], [pid 7514] <... close resumed>) = 0 [pid 7523] set_robust_list(0x7f8728ba99a0, 24 [pid 7522] rt_sigprocmask(SIG_SETMASK, [], [pid 7521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7514] mkdir("./file0", 0777 [pid 7523] <... set_robust_list resumed>) = 0 [pid 7522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] rt_sigprocmask(SIG_SETMASK, [], [pid 7522] memfd_create("syzkaller", 0 [pid 7521] <... futex resumed>) = 0 [pid 7523] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7522] <... memfd_create resumed>) = 3 [ 238.713354][ T7512] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.742087][ T7514] loop0: detected capacity change from 0 to 8192 [pid 7521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7514] <... mkdir resumed>) = 0 [pid 7523] memfd_create("syzkaller", 0 [pid 7522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7514] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7523] <... memfd_create resumed>) = 3 [pid 7522] <... mmap resumed>) = 0x7f8720789000 [pid 7523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7519] <... write resumed>) = 4194304 [ 238.769982][ T7512] REISERFS (device loop1): checking transaction log (loop1) [pid 7519] munmap(0x7f8720789000, 138412032 [pid 7512] <... mount resumed>) = 0 [pid 7519] <... munmap resumed>) = 0 [pid 7512] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7519] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7512] <... openat resumed>) = 3 [pid 7519] <... openat resumed>) = 4 [ 238.814820][ T7514] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 238.815336][ T7512] REISERFS (device loop1): Using tea hash to sort names [ 238.836510][ T7512] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 238.846218][ T7514] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 238.856166][ T7514] REISERFS (device loop0): using ordered data mode [pid 7519] ioctl(4, LOOP_SET_FD, 3 [pid 7512] chdir("./file0" [pid 7523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7522] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7517] <... write resumed>) = 4194304 [pid 7517] munmap(0x7f8720789000, 138412032 [pid 7512] <... chdir resumed>) = 0 [pid 7517] <... munmap resumed>) = 0 [pid 7517] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7512] ioctl(4, LOOP_CLR_FD) = 0 [pid 7512] close(4 [pid 7517] ioctl(4, LOOP_SET_FD, 3 [pid 7512] <... close resumed>) = 0 [ 238.863014][ T7514] reiserfs: using flush barriers [ 238.866629][ T7519] loop3: detected capacity change from 0 to 8192 [ 238.870458][ T7514] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 238.891479][ T7514] REISERFS (device loop0): checking transaction log (loop0) [ 238.901587][ T7514] REISERFS (device loop0): Using tea hash to sort names [pid 7519] <... ioctl resumed>) = 0 [pid 7512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7511] <... futex resumed>) = 0 [pid 7511] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7511] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7514] <... mount resumed>) = 0 [pid 7512] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7511] <... futex resumed>) = 0 [pid 7511] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] ftruncate(4, 33587195 [pid 7511] <... futex resumed>) = 0 [pid 7511] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7519] close(3) = 0 [pid 7519] mkdir("./file0", 0777 [pid 7514] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7512] <... ftruncate resumed>) = 0 [pid 7514] chdir("./file0" [pid 7519] <... mkdir resumed>) = 0 [pid 7514] <... chdir resumed>) = 0 [pid 7512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] ioctl(4, LOOP_CLR_FD [pid 7512] <... futex resumed>) = 1 [pid 7511] <... futex resumed>) = 0 [pid 7514] <... ioctl resumed>) = 0 [pid 7512] creat("./bus", 040 [pid 7511] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7514] close(4 [pid 7512] <... creat resumed>) = 5 [pid 7511] <... futex resumed>) = 0 [pid 7519] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7514] <... close resumed>) = 0 [pid 7512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7514] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] <... futex resumed>) = 0 [pid 7511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 238.909232][ T7514] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 238.910200][ T7517] loop5: detected capacity change from 0 to 8192 [ 238.926840][ T29] audit: type=1800 audit(1698988383.684:800): pid=7512 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 7522] <... write resumed>) = 4194304 [pid 7517] <... ioctl resumed>) = 0 [pid 7514] <... futex resumed>) = 1 [pid 7512] mkdirat(AT_FDCWD, "./file0", 000 [pid 7511] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] munmap(0x7f8720789000, 138412032 [pid 7517] close(3 [pid 7514] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7512] <... mkdirat resumed>) = 0 [pid 7511] <... futex resumed>) = 0 [pid 7512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7511] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7512] <... futex resumed>) = 0 [pid 7511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7512] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7511] exit_group(0 [pid 7513] <... futex resumed>) = 0 [pid 7512] <... futex resumed>) = ? [pid 7511] <... exit_group resumed>) = ? [pid 7513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7512] +++ exited with 0 +++ [pid 7511] +++ exited with 0 +++ [pid 7514] <... futex resumed>) = 0 [pid 7513] <... futex resumed>) = 1 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7511, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7522] <... munmap resumed>) = 0 [ 238.972267][ T7519] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7517] <... close resumed>) = 0 [pid 7514] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./134/binderfs") = 0 [pid 5052] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7517] mkdir("./file0", 0777 [pid 7514] <... open resumed>) = 4 [pid 7517] <... mkdir resumed>) = 0 [pid 7522] <... openat resumed>) = 4 [pid 7514] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7522] ioctl(4, LOOP_SET_FD, 3 [pid 7514] <... futex resumed>) = 1 [pid 7513] <... futex resumed>) = 0 [pid 7513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 239.013906][ T7519] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 239.024456][ T29] audit: type=1800 audit(1698988383.784:801): pid=7514 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 239.046436][ T7519] REISERFS (device loop3): using ordered data mode [ 239.053069][ T7519] reiserfs: using flush barriers [pid 7522] <... ioctl resumed>) = 0 [pid 7514] ftruncate(4, 33587195 [pid 7513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7522] close(3) = 0 [pid 7522] mkdir("./file0", 0777 [pid 7514] <... ftruncate resumed>) = 0 [pid 7523] <... write resumed>) = 4194304 [pid 7522] <... mkdir resumed>) = 0 [pid 7523] munmap(0x7f8720789000, 138412032 [pid 7522] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7514] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7523] <... munmap resumed>) = 0 [pid 7513] <... futex resumed>) = 0 [pid 7523] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7514] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 239.061238][ T7522] loop2: detected capacity change from 0 to 8192 [ 239.071483][ T7517] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.081760][ T7519] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.101300][ T7519] REISERFS (device loop3): checking transaction log (loop3) [pid 7513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] <... openat resumed>) = 4 [pid 7514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7513] <... futex resumed>) = 0 [pid 7513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7523] ioctl(4, LOOP_SET_FD, 3 [pid 7514] creat("./bus", 040) = 5 [ 239.111454][ T7517] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 239.114366][ T7519] REISERFS (device loop3): Using tea hash to sort names [ 239.121089][ T7517] REISERFS (device loop5): using ordered data mode [ 239.140745][ T7522] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.154165][ T7523] loop4: detected capacity change from 0 to 8192 [pid 7514] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] <... ioctl resumed>) = 0 [pid 7514] <... futex resumed>) = 1 [pid 7513] <... futex resumed>) = 0 [pid 7523] close(3 [pid 7514] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7523] <... close resumed>) = 0 [pid 7513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] mkdir("./file0", 0777 [pid 7514] <... futex resumed>) = 0 [pid 7513] <... futex resumed>) = 1 [pid 7523] <... mkdir resumed>) = 0 [pid 7514] mkdirat(AT_FDCWD, "./file0", 000 [pid 7513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7523] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7514] <... mkdirat resumed>) = 0 [pid 7514] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7513] <... futex resumed>) = 0 [ 239.163952][ T7522] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 239.174234][ T7522] REISERFS (device loop2): using ordered data mode [ 239.180779][ T7522] reiserfs: using flush barriers [ 239.195909][ T7519] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 239.209351][ T7517] reiserfs: using flush barriers [pid 7514] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7513] exit_group(0 [pid 7514] <... futex resumed>) = ? [pid 7513] <... exit_group resumed>) = ? [pid 7514] +++ exited with 0 +++ [pid 7513] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7513, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [ 239.215746][ T7523] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 239.218724][ T7517] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.238195][ T7522] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5051] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./137/binderfs" [pid 7519] <... mount resumed>) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7519] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7519] chdir("./file0") = 0 [ 239.246141][ T7517] REISERFS (device loop5): checking transaction log (loop5) [ 239.269889][ T7523] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 239.279439][ T7523] REISERFS (device loop4): using ordered data mode [ 239.286140][ T7523] reiserfs: using flush barriers [ 239.294248][ T7522] REISERFS (device loop2): checking transaction log (loop2) [ 239.295678][ T7517] REISERFS (device loop5): Using tea hash to sort names [pid 7519] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 7519] close(4) = 0 [pid 5052] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./134/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7522] <... mount resumed>) = 0 [pid 7519] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4 [pid 7519] <... futex resumed>) = 1 [pid 7516] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7522] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7519] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... openat resumed>) = 3 [pid 7519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7517] <... mount resumed>) = 0 [pid 7516] <... futex resumed>) = 0 [pid 5052] rmdir("./134/file0" [pid 7519] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7516] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... rmdir resumed>) = 0 [pid 7519] <... open resumed>) = 4 [ 239.310302][ T7522] REISERFS (device loop2): Using tea hash to sort names [ 239.317619][ T7523] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 239.329598][ T7522] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 239.344055][ T7517] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 5052] rmdir("./134") = 0 [pid 5052] mkdir("./135", 0777) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7519] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7516] <... futex resumed>) = 0 [pid 7522] chdir("./file0" [pid 7517] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7522] <... chdir resumed>) = 0 [pid 7522] ioctl(4, LOOP_CLR_FD [pid 7517] chdir("./file0" [pid 7516] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] ftruncate(4, 33587195 [pid 7522] <... ioctl resumed>) = 0 [pid 7519] <... ftruncate resumed>) = 0 [pid 7517] <... chdir resumed>) = 0 [pid 7516] <... futex resumed>) = 0 [pid 7516] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7519] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] ioctl(4, LOOP_CLR_FD) = 0 [pid 7519] <... futex resumed>) = 0 [pid 7516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 239.365288][ T29] audit: type=1800 audit(1698988384.114:802): pid=7519 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 239.394900][ T7523] REISERFS (device loop4): checking transaction log (loop4) [pid 7522] close(4 [pid 7519] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7517] close(4./strace-static-x86_64: Process 7529 attached [pid 7522] <... close resumed>) = 0 [pid 7517] <... close resumed>) = 0 [pid 7516] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7529 [pid 7529] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7529] chdir("./135") = 0 [pid 7529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7529] setpgid(0, 0) = 0 [pid 7529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7519] <... futex resumed>) = 0 [pid 7516] <... futex resumed>) = 1 [pid 7517] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7529] write(3, "1000", 4 [pid 7522] <... futex resumed>) = 1 [pid 7520] <... futex resumed>) = 0 [pid 7519] creat("./bus", 040 [pid 7517] <... futex resumed>) = 1 [pid 7516] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7515] <... futex resumed>) = 0 [pid 7529] <... write resumed>) = 4 [pid 7522] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7520] <... futex resumed>) = 0 [pid 7519] <... creat resumed>) = 5 [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7523] <... mount resumed>) = 0 [pid 7522] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7519] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7523] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7529] close(3 [pid 7523] <... openat resumed>) = 3 [pid 7515] <... futex resumed>) = 0 [pid 7529] <... close resumed>) = 0 [pid 7523] chdir("./file0" [pid 7515] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7529] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7529] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7529] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7529] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7530]}, 88) = 7530 [pid 7529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7529] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7530 attached [pid 7530] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7530] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7530] memfd_create("syzkaller", 0 [pid 7523] <... chdir resumed>) = 0 [pid 7522] <... open resumed>) = 4 [pid 7519] <... futex resumed>) = 1 [pid 7517] <... open resumed>) = 4 [pid 7516] <... futex resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7530] <... memfd_create resumed>) = 3 [pid 7523] ioctl(4, LOOP_CLR_FD [pid 7522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7517] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] <... ioctl resumed>) = 0 [pid 7519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7517] <... futex resumed>) = 1 [pid 7516] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = 0 [pid 7522] <... futex resumed>) = 1 [pid 7520] <... futex resumed>) = 0 [pid 7523] close(4 [pid 7522] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7519] mkdirat(AT_FDCWD, "./file0", 000 [pid 7517] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7516] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7515] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] <... close resumed>) = 0 [pid 7522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7520] <... futex resumed>) = 0 [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7515] <... futex resumed>) = 0 [pid 7522] ftruncate(4, 33587195 [pid 7520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7519] <... mkdirat resumed>) = 0 [pid 7517] ftruncate(4, 33587195 [pid 7515] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7521] <... futex resumed>) = 0 [pid 7530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7517] <... ftruncate resumed>) = 0 [pid 7521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7519] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] <... open resumed>) = 4 [pid 7521] <... futex resumed>) = 0 [pid 7519] <... futex resumed>) = 1 [pid 7516] <... futex resumed>) = 0 [ 239.413526][ T7523] REISERFS (device loop4): Using tea hash to sort names [ 239.421919][ T7523] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 239.446389][ T29] audit: type=1800 audit(1698988384.204:803): pid=7517 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 7530] <... mmap resumed>) = 0x7f8720789000 [pid 7523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... ftruncate resumed>) = 0 [pid 7521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7519] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7517] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7516] exit_group(0 [pid 7523] <... futex resumed>) = 0 [pid 7522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 7519] <... futex resumed>) = ? [pid 7516] <... exit_group resumed>) = ? [pid 7523] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7522] <... futex resumed>) = 1 [pid 7521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7520] <... futex resumed>) = 0 [pid 7519] +++ exited with 0 +++ [pid 7517] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7515] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7521] <... futex resumed>) = 0 [pid 7520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] <... futex resumed>) = 0 [pid 7517] creat("./bus", 040 [pid 5051] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./137/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 7523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7522] creat("./bus", 040 [pid 7521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7520] <... futex resumed>) = 0 [pid 7517] <... creat resumed>) = 5 [pid 7516] +++ exited with 0 +++ [pid 7515] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] rmdir("./137/file0" [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7516, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [ 239.485874][ T29] audit: type=1800 audit(1698988384.224:804): pid=7522 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 7520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7523] ftruncate(4, 33587195 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 5054] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 5051] rmdir("./137") = 0 [pid 5051] mkdir("./138", 0777 [pid 7523] <... ftruncate resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... mkdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] <... openat resumed>) = 3 [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5054] newfstatat(3, "", [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7523] <... futex resumed>) = 1 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7521] <... futex resumed>) = 0 [pid 7523] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7517] <... futex resumed>) = 1 [pid 7515] <... futex resumed>) = 0 [pid 7523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7517] mkdirat(AT_FDCWD, "./file0", 000 [pid 5054] getdents64(3, [pid 7523] creat("./bus", 040 [pid 7521] <... futex resumed>) = 0 [pid 7515] <... futex resumed>) = 0 [pid 5051] close(3) = 0 [pid 7517] <... mkdirat resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7515] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7517] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7531 [pid 7517] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7515] exit_group(0 [pid 5054] newfstatat(AT_FDCWD, "./130/binderfs", [pid 7515] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7531 attached [pid 7531] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7531] chdir("./138" [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7531] <... chdir resumed>) = 0 [pid 5054] unlink("./130/binderfs" [pid 7531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7531] setpgid(0, 0 [pid 5054] <... unlink resumed>) = 0 [pid 7531] <... setpgid resumed>) = 0 [pid 7523] <... creat resumed>) = 5 [pid 7517] +++ exited with 0 +++ [pid 7515] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7515, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 7531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... creat resumed>) = 5 [pid 5054] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] write(3, "1000", 4 [pid 7522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] <... write resumed>) = 4 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7531] close(3) = 0 [pid 5056] <... openat resumed>) = 3 [pid 7531] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7523] <... futex resumed>) = 1 [pid 7521] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 7521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7531] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7531] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7522] <... futex resumed>) = 1 [pid 7520] <... futex resumed>) = 0 [pid 7531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7523] mkdirat(AT_FDCWD, "./file0", 000 [pid 7520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(AT_FDCWD, "./133/binderfs", [pid 7531] <... mmap resumed>) = 0x7f8728b89000 [pid 7530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7522] mkdirat(AT_FDCWD, "./file0", 000 [pid 7520] <... futex resumed>) = 0 [pid 7531] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7531] <... mprotect resumed>) = 0 [pid 7523] <... mkdirat resumed>) = 0 [pid 7522] <... mkdirat resumed>) = 0 [pid 7531] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7531] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] unlink("./133/binderfs" [pid 7531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... futex resumed>) = 1 [pid 7520] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7532 attached [pid 7523] <... futex resumed>) = 1 [pid 7522] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7521] <... futex resumed>) = 0 [pid 7520] exit_group(0 [pid 5056] <... unlink resumed>) = 0 [pid 7532] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7531] <... clone3 resumed> => {parent_tid=[7532]}, 88) = 7532 [pid 7521] exit_group(0 [pid 7532] <... rseq resumed>) = 0 [pid 7531] rt_sigprocmask(SIG_SETMASK, [], [pid 7532] set_robust_list(0x7f8728ba99a0, 24 [pid 7531] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7521] <... exit_group resumed>) = ? [pid 7532] <... set_robust_list resumed>) = 0 [pid 7531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7522] <... futex resumed>) = ? [pid 7520] <... exit_group resumed>) = ? [pid 5056] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7522] +++ exited with 0 +++ [pid 7532] rt_sigprocmask(SIG_SETMASK, [], [pid 7531] <... futex resumed>) = 0 [pid 7532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7532] memfd_create("syzkaller", 0) = 3 [pid 7520] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7520, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5053] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7523] +++ exited with 0 +++ [pid 7521] +++ exited with 0 +++ [pid 5053] <... openat resumed>) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7521, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5053] getdents64(3, [pid 5055] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] newfstatat(AT_FDCWD, "./133/binderfs", [pid 5055] getdents64(3, [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] unlink("./133/binderfs" [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5055] unlink("./131/binderfs" [pid 5053] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... unlink resumed>) = 0 [pid 5055] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./133/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./133/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./133") = 0 [pid 5056] mkdir("./134", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7533 [pid 5054] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7533 attached [pid 7533] set_robust_list(0x55555656d6a0, 24 [pid 5054] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./130/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 7530] <... write resumed>) = 4194304 [pid 5054] close(4) = 0 [pid 5054] rmdir("./130/file0" [pid 7533] <... set_robust_list resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./130" [pid 7533] chdir("./134" [pid 5054] <... rmdir resumed>) = 0 [pid 5054] mkdir("./131", 0777) = 0 [pid 7533] <... chdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 7533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7533] <... prctl resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7533] setpgid(0, 0 [pid 5054] close(3 [pid 7533] <... setpgid resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7530] munmap(0x7f8720789000, 138412032 [pid 7533] <... openat resumed>) = 3 [pid 7530] <... munmap resumed>) = 0 [pid 7533] write(3, "1000", 4) = 4 [pid 7533] close(3) = 0 [pid 7530] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7533] symlink("/dev/binderfs", "./binderfs" [pid 7530] <... openat resumed>) = 4 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7534 [pid 7530] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7534 attached [pid 7533] <... symlink resumed>) = 0 [pid 7533] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7533] <... futex resumed>) = 0 [pid 7533] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7534] chdir("./131" [pid 7533] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7534] <... chdir resumed>) = 0 [pid 7533] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7534] setpgid(0, 0 [pid 7533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7534] <... setpgid resumed>) = 0 [pid 7533] <... mmap resumed>) = 0x7f8728b89000 [pid 7534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7533] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7534] <... openat resumed>) = 3 [pid 7533] <... mprotect resumed>) = 0 [pid 7534] write(3, "1000", 4 [pid 7533] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7534] <... write resumed>) = 4 [pid 7533] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7530] <... ioctl resumed>) = 0 [pid 7533] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7530] close(3./strace-static-x86_64: Process 7535 attached [pid 7534] close(3 [pid 7530] <... close resumed>) = 0 [pid 7533] <... clone3 resumed> => {parent_tid=[7535]}, 88) = 7535 [pid 7530] mkdir("./file0", 0777 [pid 7533] rt_sigprocmask(SIG_SETMASK, [], [pid 7530] <... mkdir resumed>) = 0 [pid 7535] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7534] <... close resumed>) = 0 [pid 7533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7535] <... rseq resumed>) = 0 [pid 7534] symlink("/dev/binderfs", "./binderfs" [pid 7533] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 7535] set_robust_list(0x7f8728ba99a0, 24 [pid 7534] <... symlink resumed>) = 0 [pid 7533] <... futex resumed>) = 0 [pid 7535] <... set_robust_list resumed>) = 0 [pid 7533] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 239.835824][ T7530] loop1: detected capacity change from 0 to 8192 [pid 7535] rt_sigprocmask(SIG_SETMASK, [], [pid 7534] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7535] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7534] <... futex resumed>) = 0 [pid 5055] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7535] memfd_create("syzkaller", 0 [pid 7534] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7535] <... memfd_create resumed>) = 3 [pid 7534] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] newfstatat(AT_FDCWD, "./131/file0", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] newfstatat(AT_FDCWD, "./133/file0", [pid 7535] <... mmap resumed>) = 0x7f8720789000 [pid 7534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7534] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7534] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... openat resumed>) = 4 [pid 7534] <... mprotect resumed>) = 0 [pid 5053] newfstatat(4, "", [pid 5055] <... openat resumed>) = 4 [pid 7534] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] newfstatat(4, "", [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 7534] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] rmdir("./133/file0" [pid 7534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... rmdir resumed>) = 0 [pid 5055] getdents64(4, [pid 5053] getdents64(3, [pid 7534] <... clone3 resumed> => {parent_tid=[7537]}, 88) = 7537 [pid 7532] <... write resumed>) = 4194304 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7537 attached [pid 7534] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] getdents64(4, [pid 5053] close(3 [pid 7537] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... close resumed>) = 0 [pid 7537] <... rseq resumed>) = 0 [pid 7534] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] close(4 [pid 5053] rmdir("./133" [pid 7537] set_robust_list(0x7f8728ba99a0, 24 [pid 7534] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 7537] <... set_robust_list resumed>) = 0 [pid 7534] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 239.886461][ T7530] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5055] rmdir("./131/file0" [pid 5053] mkdir("./134", 0777 [pid 7537] rt_sigprocmask(SIG_SETMASK, [], [pid 7532] munmap(0x7f8720789000, 138412032 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 7537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7537] memfd_create("syzkaller", 0 [pid 5055] getdents64(3, [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7537] <... memfd_create resumed>) = 3 [pid 5055] close(3) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] rmdir("./131" [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... rmdir resumed>) = 0 [pid 7537] <... mmap resumed>) = 0x7f8720789000 [pid 5053] close(3 [pid 7532] <... munmap resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 7532] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] mkdir("./132", 0777 [pid 7532] <... openat resumed>) = 4 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7532] ioctl(4, LOOP_SET_FD, 3 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7538 [ 239.928166][ T7530] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 239.940893][ T7530] REISERFS (device loop1): using ordered data mode [ 239.948220][ T7530] reiserfs: using flush barriers [ 239.956022][ T7532] loop0: detected capacity change from 0 to 8192 [pid 7532] <... ioctl resumed>) = 0 [pid 7532] close(3./strace-static-x86_64: Process 7538 attached [pid 7538] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7539 [pid 7538] <... set_robust_list resumed>) = 0 [pid 7538] chdir("./134") = 0 [pid 7532] <... close resumed>) = 0 [pid 7538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7532] mkdir("./file0", 0777./strace-static-x86_64: Process 7539 attached [pid 7538] <... prctl resumed>) = 0 [pid 7532] <... mkdir resumed>) = 0 [ 239.963480][ T7530] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7539] set_robust_list(0x55555656d6a0, 24 [pid 7538] setpgid(0, 0 [pid 7532] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7539] <... set_robust_list resumed>) = 0 [pid 7538] <... setpgid resumed>) = 0 [pid 7539] chdir("./132" [pid 7538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7539] <... chdir resumed>) = 0 [pid 7539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7539] setpgid(0, 0) = 0 [pid 7539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7539] write(3, "1000", 4 [pid 7538] <... openat resumed>) = 3 [pid 7535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7539] <... write resumed>) = 4 [pid 7538] write(3, "1000", 4 [pid 7539] close(3 [pid 7538] <... write resumed>) = 4 [pid 7539] <... close resumed>) = 0 [pid 7538] close(3 [pid 7539] symlink("/dev/binderfs", "./binderfs" [pid 7538] <... close resumed>) = 0 [pid 7539] <... symlink resumed>) = 0 [pid 7538] symlink("/dev/binderfs", "./binderfs" [pid 7539] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] <... symlink resumed>) = 0 [pid 7539] <... futex resumed>) = 0 [pid 7538] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7539] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7538] <... futex resumed>) = 0 [pid 7539] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7538] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7538] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7538] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7539] <... mmap resumed>) = 0x7f8728b89000 [ 240.002045][ T7530] REISERFS (device loop1): checking transaction log (loop1) [ 240.010592][ T7532] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.025285][ T7530] REISERFS (device loop1): Using tea hash to sort names [ 240.039175][ T7532] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7539] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7538] <... mmap resumed>) = 0x7f8728b89000 [pid 7539] <... mprotect resumed>) = 0 [pid 7538] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7538] <... mprotect resumed>) = 0 [pid 7538] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7538] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7538] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7539] <... clone3 resumed> => {parent_tid=[7542]}, 88) = 7542 [pid 7538] <... clone3 resumed> => {parent_tid=[7541]}, 88) = 7541 ./strace-static-x86_64: Process 7542 attached ./strace-static-x86_64: Process 7541 attached [pid 7539] rt_sigprocmask(SIG_SETMASK, [], [pid 7538] rt_sigprocmask(SIG_SETMASK, [], [pid 7542] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7541] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7542] <... rseq resumed>) = 0 [pid 7541] <... rseq resumed>) = 0 [pid 7539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] set_robust_list(0x7f8728ba99a0, 24 [pid 7541] set_robust_list(0x7f8728ba99a0, 24 [pid 7539] <... futex resumed>) = 0 [pid 7538] <... futex resumed>) = 0 [pid 7542] <... set_robust_list resumed>) = 0 [pid 7541] <... set_robust_list resumed>) = 0 [pid 7539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7538] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7542] rt_sigprocmask(SIG_SETMASK, [], [pid 7541] rt_sigprocmask(SIG_SETMASK, [], [pid 7542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7541] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7542] memfd_create("syzkaller", 0 [pid 7541] memfd_create("syzkaller", 0 [pid 7542] <... memfd_create resumed>) = 3 [pid 7541] <... memfd_create resumed>) = 3 [pid 7542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7542] <... mmap resumed>) = 0x7f8720789000 [pid 7541] <... mmap resumed>) = 0x7f8720789000 [pid 7535] <... write resumed>) = 4194304 [pid 7530] <... mount resumed>) = 0 [ 240.050078][ T7530] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 240.054103][ T7532] REISERFS (device loop0): using ordered data mode [ 240.066409][ T7532] reiserfs: using flush barriers [ 240.073388][ T7532] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7535] munmap(0x7f8720789000, 138412032 [pid 7530] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7537] <... write resumed>) = 4194304 [pid 7535] <... munmap resumed>) = 0 [pid 7530] <... openat resumed>) = 3 [pid 7537] munmap(0x7f8720789000, 138412032 [pid 7530] chdir("./file0") = 0 [pid 7530] ioctl(4, LOOP_CLR_FD [pid 7537] <... munmap resumed>) = 0 [pid 7535] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7530] <... ioctl resumed>) = 0 [pid 7530] close(4) = 0 [pid 7530] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7542] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7537] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7535] <... openat resumed>) = 4 [pid 7530] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] <... futex resumed>) = 0 [pid 7537] <... openat resumed>) = 4 [pid 7535] ioctl(4, LOOP_SET_FD, 3 [pid 7529] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = 0 [pid 7529] <... futex resumed>) = 1 [pid 7535] <... ioctl resumed>) = 0 [pid 7530] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7529] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] ioctl(4, LOOP_SET_FD, 3 [pid 7530] <... open resumed>) = 4 [ 240.139396][ T7532] REISERFS (device loop0): checking transaction log (loop0) [ 240.174156][ T7535] loop5: detected capacity change from 0 to 8192 [pid 7537] <... ioctl resumed>) = 0 [pid 7530] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7530] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7530] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7529] <... futex resumed>) = 0 [pid 7530] ftruncate(4, 33587195 [pid 7529] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7535] close(3 [pid 7530] <... ftruncate resumed>) = 0 [pid 7537] close(3 [pid 7535] <... close resumed>) = 0 [pid 7530] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7537] <... close resumed>) = 0 [pid 7535] mkdir("./file0", 0777 [pid 7530] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7537] mkdir("./file0", 0777 [pid 7530] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7529] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] <... write resumed>) = 4194304 [pid 7537] <... mkdir resumed>) = 0 [pid 7535] <... mkdir resumed>) = 0 [pid 7529] <... futex resumed>) = 0 [ 240.185035][ T7537] loop3: detected capacity change from 0 to 8192 [ 240.192757][ T7532] REISERFS (device loop0): Using tea hash to sort names [pid 7530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7530] creat("./bus", 040 [pid 7542] munmap(0x7f8720789000, 138412032 [pid 7537] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7535] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7529] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7542] <... munmap resumed>) = 0 [pid 7530] <... creat resumed>) = 5 [pid 7542] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7532] <... mount resumed>) = 0 [pid 7530] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] <... openat resumed>) = 4 [ 240.239164][ T7532] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 240.258640][ T7535] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.260418][ T7542] loop4: detected capacity change from 0 to 8192 [pid 7542] ioctl(4, LOOP_SET_FD, 3 [pid 7532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7530] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7529] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7529] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7530] mkdirat(AT_FDCWD, "./file0", 000 [pid 7532] <... openat resumed>) = 3 [pid 7530] <... mkdirat resumed>) = 0 [pid 7532] chdir("./file0") = 0 [pid 7532] ioctl(4, LOOP_CLR_FD) = 0 [pid 7530] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7532] close(4 [pid 7530] <... futex resumed>) = 1 [pid 7529] <... futex resumed>) = 0 [pid 7529] exit_group(0) = ? [pid 7532] <... close resumed>) = 0 [pid 7532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7532] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7530] +++ exited with 0 +++ [pid 7529] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7529, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 7531] <... futex resumed>) = 0 [pid 7531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7532] <... futex resumed>) = 0 [pid 7532] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7532] <... open resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7542] <... ioctl resumed>) = 0 [pid 7542] close(3) = 0 [pid 7542] mkdir("./file0", 0777) = 0 [pid 7532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7531] <... futex resumed>) = 0 [pid 7531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] ftruncate(4, 33587195 [pid 7542] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7532] <... ftruncate resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7531] <... futex resumed>) = 0 [pid 7531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] creat("./bus", 040 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [ 240.273405][ T7537] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.293808][ T7537] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 240.304736][ T7537] REISERFS (device loop3): using ordered data mode [ 240.314115][ T7535] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 240.325756][ T7535] REISERFS (device loop5): using ordered data mode [pid 5052] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./135/binderfs" [pid 7532] <... creat resumed>) = 5 [pid 7532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7531] <... futex resumed>) = 0 [pid 7531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7532] <... futex resumed>) = 1 [pid 7532] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 7532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7531] <... futex resumed>) = 0 [pid 7532] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7531] exit_group(0 [pid 7532] <... futex resumed>) = ? [pid 7531] <... exit_group resumed>) = ? [pid 7532] +++ exited with 0 +++ [pid 7531] +++ exited with 0 +++ [pid 5052] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7531, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5051] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 240.333515][ T7542] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.343713][ T7537] reiserfs: using flush barriers [ 240.349051][ T7535] reiserfs: using flush barriers [ 240.369721][ T7537] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5051] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7541] <... write resumed>) = 4194304 [pid 5051] <... openat resumed>) = 3 [pid 7541] munmap(0x7f8720789000, 138412032) = 0 [ 240.378401][ T7542] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 240.398996][ T7542] REISERFS (device loop4): using ordered data mode [ 240.400747][ T7535] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.405754][ T7542] reiserfs: using flush barriers [ 240.427967][ T7541] loop2: detected capacity change from 0 to 8192 [pid 5051] newfstatat(3, "", [pid 7541] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7541] <... openat resumed>) = 4 [pid 5051] getdents64(3, [pid 7541] ioctl(4, LOOP_SET_FD, 3 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7541] <... ioctl resumed>) = 0 [pid 5051] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./138/binderfs", [pid 7541] close(3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./138/binderfs" [pid 7541] <... close resumed>) = 0 [pid 7541] mkdir("./file0", 0777) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 240.430945][ T7537] REISERFS (device loop3): checking transaction log (loop3) [ 240.437482][ T7535] REISERFS (device loop5): checking transaction log (loop5) [ 240.452606][ T7542] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 240.459398][ T7535] REISERFS (device loop5): Using tea hash to sort names [ 240.478095][ T7537] REISERFS (device loop3): Using tea hash to sort names [ 240.485240][ T7535] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 240.495353][ T7542] REISERFS (device loop4): checking transaction log (loop4) [ 240.498046][ T7541] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 240.503573][ T7537] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7541] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7535] <... mount resumed>) = 0 [pid 7535] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 240.539300][ T7542] REISERFS (device loop4): Using tea hash to sort names [ 240.543778][ T7541] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 240.556346][ T7541] REISERFS (device loop2): using ordered data mode [ 240.562888][ T7541] reiserfs: using flush barriers [ 240.570719][ T7541] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7535] chdir("./file0") = 0 [pid 7537] <... mount resumed>) = 0 [pid 7537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7535] ioctl(4, LOOP_CLR_FD [pid 7537] chdir("./file0") = 0 [pid 7535] <... ioctl resumed>) = 0 [pid 7537] ioctl(4, LOOP_CLR_FD [pid 7535] close(4 [pid 5052] <... umount2 resumed>) = 0 [ 240.576026][ T7542] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 240.587957][ T7541] REISERFS (device loop2): checking transaction log (loop2) [pid 7542] <... mount resumed>) = 0 [pid 7537] <... ioctl resumed>) = 0 [pid 7535] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7542] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7537] close(4 [pid 7535] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7542] <... openat resumed>) = 3 [pid 7537] <... close resumed>) = 0 [pid 7535] <... futex resumed>) = 1 [pid 7533] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7542] chdir("./file0" [pid 7537] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7533] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./135/file0", [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7542] <... chdir resumed>) = 0 [pid 7537] <... futex resumed>) = 1 [pid 7535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] <... futex resumed>) = 0 [pid 7533] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7542] ioctl(4, LOOP_CLR_FD [pid 7537] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7534] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] newfstatat(AT_FDCWD, "./138/file0", [pid 7542] <... ioctl resumed>) = 0 [pid 7537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7535] <... open resumed>) = 4 [pid 7534] <... futex resumed>) = 0 [pid 5052] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7542] close(4 [pid 7537] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7535] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7542] <... close resumed>) = 0 [pid 7537] <... open resumed>) = 4 [pid 7535] <... futex resumed>) = 1 [pid 7533] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7533] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7542] <... futex resumed>) = 1 [pid 7539] <... futex resumed>) = 0 [pid 7537] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] newfstatat(4, "", [pid 5051] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7542] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7537] <... futex resumed>) = 1 [pid 7535] ftruncate(4, 33587195 [pid 7534] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7539] <... futex resumed>) = 0 [pid 7537] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 5051] <... openat resumed>) = 4 [pid 7542] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] <... futex resumed>) = 0 [pid 7537] ftruncate(4, 33587195 [pid 7534] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7542] <... open resumed>) = 4 [pid 7541] <... mount resumed>) = 0 [pid 7537] <... ftruncate resumed>) = 0 [pid 7535] <... ftruncate resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] newfstatat(4, "", [pid 7542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5052] getdents64(4, [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7542] <... futex resumed>) = 1 [pid 7541] <... openat resumed>) = 3 [pid 7539] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] getdents64(4, [pid 7542] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7541] chdir("./file0" [pid 7539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(4 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] <... chdir resumed>) = 0 [pid 7539] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5051] getdents64(4, [pid 7542] ftruncate(4, 33587195 [pid 7541] ioctl(4, LOOP_CLR_FD [pid 7539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] rmdir("./135/file0" [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7541] <... ioctl resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] close(4 [pid 7541] close(4 [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./138/file0" [pid 7535] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7541] <... close resumed>) = 0 [pid 5051] close(3 [pid 7541] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... close resumed>) = 0 [pid 7541] <... futex resumed>) = 1 [pid 7538] <... futex resumed>) = 0 [pid 7535] <... futex resumed>) = 1 [pid 7533] <... futex resumed>) = 0 [pid 7538] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 7538] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7538] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] close(3) = 0 [pid 5052] rmdir("./135" [pid 7541] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7533] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] rmdir("./138" [pid 7537] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] creat("./bus", 040 [pid 7533] <... futex resumed>) = 0 [pid 5052] mkdir("./136", 0777 [pid 5051] <... rmdir resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 7541] <... open resumed>) = 4 [pid 7537] <... futex resumed>) = 1 [pid 7533] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] mkdir("./139", 0777 [pid 7537] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] <... creat resumed>) = 5 [ 240.635961][ T7541] REISERFS (device loop2): Using tea hash to sort names [ 240.652864][ T7541] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7535] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 3 [pid 5051] <... mkdir resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7541] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7541] <... futex resumed>) = 1 [pid 7538] <... futex resumed>) = 0 [pid 7534] <... futex resumed>) = 0 [pid 5052] close(3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7541] ftruncate(4, 33587195 [pid 7538] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... futex resumed>) = 1 [pid 7534] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7542] <... ftruncate resumed>) = 0 [pid 7541] <... ftruncate resumed>) = 0 [pid 7538] <... futex resumed>) = 0 [pid 7537] <... futex resumed>) = 0 [pid 7535] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7534] <... futex resumed>) = 1 [pid 7533] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7547 attached [pid 7542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] creat("./bus", 040 [pid 7535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7534] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7533] <... futex resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7541] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] set_robust_list(0x55555656d6a0, 24 [pid 7542] <... futex resumed>) = 1 [pid 7539] <... futex resumed>) = 0 [pid 7538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7537] <... creat resumed>) = 5 [pid 7535] mkdirat(AT_FDCWD, "./file0", 000 [pid 7533] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7547] <... set_robust_list resumed>) = 0 [pid 7542] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7541] <... futex resumed>) = 0 [pid 7539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7537] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7535] <... mkdirat resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7547 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7547] chdir("./136" [pid 7542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] creat("./bus", 040 [pid 7539] <... futex resumed>) = 0 [pid 7538] <... futex resumed>) = 0 [pid 7537] <... futex resumed>) = 1 [pid 7535] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... futex resumed>) = 0 [pid 5051] close(3 [pid 7547] <... chdir resumed>) = 0 [pid 7542] creat("./bus", 040 [pid 7541] <... creat resumed>) = 5 [pid 7539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7538] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7537] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7535] <... futex resumed>) = 1 [pid 7534] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7533] <... futex resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7533] exit_group(0 [pid 7547] <... prctl resumed>) = 0 [pid 7537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7533] <... exit_group resumed>) = ? [pid 7547] setpgid(0, 0 [pid 7537] mkdirat(AT_FDCWD, "./file0", 000 [pid 7535] +++ exited with 0 +++ [pid 7533] +++ exited with 0 +++ [pid 7537] <... mkdirat resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7533, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7547] <... setpgid resumed>) = 0 [pid 7534] <... futex resumed>) = 0 [pid 7547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7542] <... creat resumed>) = 5 [pid 7537] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... openat resumed>) = 3 [pid 7542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7537] <... futex resumed>) = 0 [pid 7547] write(3, "1000", 4 [pid 7542] <... futex resumed>) = 1 [pid 7541] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7539] <... futex resumed>) = 0 [pid 7537] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7548 attached [pid 7547] <... write resumed>) = 4 [pid 7542] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7541] <... futex resumed>) = 1 [pid 7539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7538] <... futex resumed>) = 0 [pid 7534] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7548] set_robust_list(0x55555656d6a0, 24 [pid 7547] close(3 [pid 7542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7541] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7539] <... futex resumed>) = 0 [pid 7538] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7548 [pid 7548] <... set_robust_list resumed>) = 0 [pid 7547] <... close resumed>) = 0 [pid 7542] mkdirat(AT_FDCWD, "./file0", 000 [pid 7541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7538] <... futex resumed>) = 0 [pid 7548] chdir("./139" [pid 7547] symlink("/dev/binderfs", "./binderfs" [pid 7542] <... mkdirat resumed>) = 0 [pid 7541] mkdirat(AT_FDCWD, "./file0", 000 [pid 7538] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7534] exit_group(0 [pid 5056] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] <... chdir resumed>) = 0 [pid 7547] <... symlink resumed>) = 0 [pid 7542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7541] <... mkdirat resumed>) = 0 [pid 7537] <... futex resumed>) = ? [pid 7534] <... exit_group resumed>) = ? [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7548] <... prctl resumed>) = 0 [pid 7542] <... futex resumed>) = 1 [pid 7539] <... futex resumed>) = 0 [pid 7537] +++ exited with 0 +++ [pid 7534] +++ exited with 0 +++ [pid 5056] <... openat resumed>) = 3 [pid 7548] setpgid(0, 0 [pid 7547] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7542] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7541] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7539] exit_group(0 [pid 5056] newfstatat(3, "", [pid 7548] <... setpgid resumed>) = 0 [pid 7547] <... futex resumed>) = 0 [pid 7542] <... futex resumed>) = ? [pid 7541] <... futex resumed>) = 1 [pid 7539] <... exit_group resumed>) = ? [pid 7538] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7534, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 7548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7547] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7542] +++ exited with 0 +++ [pid 7541] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7539] +++ exited with 0 +++ [pid 7538] exit_group(0 [pid 5056] getdents64(3, [pid 5054] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7538] <... exit_group resumed>) = ? [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7539, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5054] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 5054] <... openat resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... restart_syscall resumed>) = 0 [pid 5054] newfstatat(3, "", [pid 5056] newfstatat(AT_FDCWD, "./134/binderfs", [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] getdents64(3, [pid 5056] unlink("./134/binderfs" [pid 5055] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] <... openat resumed>) = 3 [pid 7547] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7541] <... futex resumed>) = ? [pid 5056] <... unlink resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7547] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7541] +++ exited with 0 +++ [pid 7538] +++ exited with 0 +++ [pid 5056] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7548] write(3, "1000", 4 [pid 7547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] newfstatat(3, "", [pid 5054] newfstatat(AT_FDCWD, "./131/binderfs", [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7538, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7548] <... write resumed>) = 4 [pid 7547] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] close(3 [pid 7547] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] getdents64(3, [pid 5054] unlink("./131/binderfs" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7548] <... close resumed>) = 0 [pid 7547] <... mprotect resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7548] symlink("/dev/binderfs", "./binderfs" [pid 7547] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... unlink resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7548] <... symlink resumed>) = 0 [pid 7547] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(3, "", [pid 7548] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] newfstatat(AT_FDCWD, "./132/binderfs", [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7548] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] getdents64(3, ./strace-static-x86_64: Process 7549 attached [pid 7548] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7547] <... clone3 resumed> => {parent_tid=[7549]}, 88) = 7549 [pid 5055] unlink("./132/binderfs" [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7549] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7548] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7547] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... unlink resumed>) = 0 [pid 5053] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7549] <... rseq resumed>) = 0 [pid 7548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7549] set_robust_list(0x7f8728ba99a0, 24 [pid 7548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7547] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./134/binderfs", [pid 7549] <... set_robust_list resumed>) = 0 [pid 7548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7547] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7549] rt_sigprocmask(SIG_SETMASK, [], [pid 7548] <... mmap resumed>) = 0x7f8728b89000 [pid 7547] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] unlink("./134/binderfs" [pid 7549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7548] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... unlink resumed>) = 0 [pid 7549] memfd_create("syzkaller", 0 [pid 5053] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7548] <... mprotect resumed>) = 0 [pid 7548] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7549] <... memfd_create resumed>) = 3 [pid 7549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7548] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7550 attached [pid 7550] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7548] <... clone3 resumed> => {parent_tid=[7550]}, 88) = 7550 [pid 7550] set_robust_list(0x7f8728ba99a0, 24 [pid 7548] rt_sigprocmask(SIG_SETMASK, [], [pid 7550] <... set_robust_list resumed>) = 0 [pid 7548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7548] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7550] memfd_create("syzkaller", 0 [pid 7548] <... futex resumed>) = 0 [pid 7550] <... memfd_create resumed>) = 3 [pid 7548] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5054] <... umount2 resumed>) = 0 [pid 7550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... umount2 resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5056] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./132/file0", [pid 5054] newfstatat(AT_FDCWD, "./131/file0", [pid 5056] newfstatat(AT_FDCWD, "./134/file0", [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 4 [pid 5054] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(4, "", [pid 5054] <... openat resumed>) = 4 [pid 5053] newfstatat(AT_FDCWD, "./134/file0", [pid 5056] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] newfstatat(4, "", [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] newfstatat(4, "", [pid 5055] getdents64(4, [pid 5054] getdents64(4, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] getdents64(4, [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... openat resumed>) = 4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 5054] getdents64(4, [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] getdents64(4, [pid 5055] close(4 [pid 5054] close(4 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./134/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 5056] getdents64(4, [pid 5055] rmdir("./132/file0" [pid 5054] rmdir("./131/file0" [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./134") = 0 [pid 5053] mkdir("./135", 0777 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5055] <... rmdir resumed>) = 0 [pid 5054] getdents64(3, [pid 5053] <... openat resumed>) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5055] getdents64(3, [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(3 [pid 5054] close(3 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(4 [pid 5054] <... close resumed>) = 0 [pid 5053] close(3 [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5056] rmdir("./134/file0" [pid 5053] <... close resumed>) = 0 [pid 5055] rmdir("./132" [pid 5054] rmdir("./131" [pid 7549] <... write resumed>) = 4194304 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] mkdir("./133", 0777 [pid 5054] mkdir("./132", 0777) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7551 [pid 7549] munmap(0x7f8720789000, 138412032 [pid 5056] close(3 [pid 5054] <... openat resumed>) = 3 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./134") = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7551 attached [pid 7551] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5056] mkdir("./135", 0777 [pid 7551] chdir("./135" [pid 5056] <... mkdir resumed>) = 0 [pid 7551] <... chdir resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... openat resumed>) = 3 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7551] <... prctl resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5054] close(3 [pid 7551] setpgid(0, 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... openat resumed>) = 3 [pid 7551] <... setpgid resumed>) = 0 [pid 7549] <... munmap resumed>) = 0 [pid 5056] close(3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5054] <... close resumed>) = 0 [pid 7551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7549] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5056] <... close resumed>) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7551] <... openat resumed>) = 3 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7551] write(3, "1000", 4 [pid 5055] close(3) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7552 [pid 7549] <... openat resumed>) = 4 [pid 7549] ioctl(4, LOOP_SET_FD, 3 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7553 attached [pid 7551] <... write resumed>) = 4 ./strace-static-x86_64: Process 7552 attached [pid 7551] close(3 [pid 7552] set_robust_list(0x55555656d6a0, 24 [pid 7551] <... close resumed>) = 0 [pid 7552] <... set_robust_list resumed>) = 0 [pid 7551] symlink("/dev/binderfs", "./binderfs" [pid 7552] chdir("./132" [pid 7551] <... symlink resumed>) = 0 [pid 7552] <... chdir resumed>) = 0 [pid 7551] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7551] <... futex resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7554 [pid 7552] <... prctl resumed>) = 0 [pid 7551] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7552] setpgid(0, 0 [pid 7551] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7554 attached [pid 7552] <... setpgid resumed>) = 0 [pid 7551] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7554] set_robust_list(0x55555656d6a0, 24 [pid 7552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7554] <... set_robust_list resumed>) = 0 [pid 7552] <... openat resumed>) = 3 [pid 7551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7553] set_robust_list(0x55555656d6a0, 24 [pid 7554] chdir("./135" [pid 7551] <... mmap resumed>) = 0x7f8728b89000 [pid 7550] <... write resumed>) = 4194304 [pid 7554] <... chdir resumed>) = 0 [pid 7553] <... set_robust_list resumed>) = 0 [pid 7552] write(3, "1000", 4 [pid 7551] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7553 [pid 7550] munmap(0x7f8720789000, 138412032 [pid 7553] chdir("./133" [pid 7552] <... write resumed>) = 4 [pid 7551] <... mprotect resumed>) = 0 [pid 7554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7553] <... chdir resumed>) = 0 [pid 7552] close(3 [pid 7551] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7554] <... prctl resumed>) = 0 [pid 7553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7552] <... close resumed>) = 0 [pid 7551] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7554] setpgid(0, 0 [pid 7553] <... prctl resumed>) = 0 [pid 7552] symlink("/dev/binderfs", "./binderfs" [pid 7551] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7554] <... setpgid resumed>) = 0 [pid 7553] setpgid(0, 0 [pid 7550] <... munmap resumed>) = 0 [pid 7549] <... ioctl resumed>) = 0 [pid 7553] <... setpgid resumed>) = 0 [pid 7552] <... symlink resumed>) = 0 [pid 7550] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 7555 attached [pid 7554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7552] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... clone3 resumed> => {parent_tid=[7555]}, 88) = 7555 [pid 7550] <... openat resumed>) = 4 [pid 7549] close(3 [pid 7555] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7554] <... openat resumed>) = 3 [pid 7553] <... openat resumed>) = 3 [pid 7552] <... futex resumed>) = 0 [pid 7551] rt_sigprocmask(SIG_SETMASK, [], [pid 7550] ioctl(4, LOOP_SET_FD, 3 [pid 7549] <... close resumed>) = 0 [pid 7555] <... rseq resumed>) = 0 [pid 7554] write(3, "1000", 4 [pid 7553] write(3, "1000", 4 [pid 7552] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7551] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7553] <... write resumed>) = 4 [pid 7552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7551] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] close(3 [pid 7552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7551] <... futex resumed>) = 0 [pid 7553] <... close resumed>) = 0 [pid 7552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7551] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7555] set_robust_list(0x7f8728ba99a0, 24 [pid 7553] symlink("/dev/binderfs", "./binderfs" [pid 7552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7555] <... set_robust_list resumed>) = 0 [pid 7553] <... symlink resumed>) = 0 [pid 7555] rt_sigprocmask(SIG_SETMASK, [], [pid 7552] <... mmap resumed>) = 0x7f8728b89000 [pid 7555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7554] <... write resumed>) = 4 [pid 7552] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7555] memfd_create("syzkaller", 0 [pid 7554] close(3 [pid 7553] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7552] <... mprotect resumed>) = 0 [pid 7549] mkdir("./file0", 0777 [pid 7555] <... memfd_create resumed>) = 3 [pid 7554] <... close resumed>) = 0 [pid 7553] <... futex resumed>) = 0 [pid 7552] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7549] <... mkdir resumed>) = 0 [pid 7555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7554] symlink("/dev/binderfs", "./binderfs" [pid 7553] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7552] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7554] <... symlink resumed>) = 0 [pid 7555] <... mmap resumed>) = 0x7f8720789000 [pid 7553] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7549] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7554] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7556 attached [ 241.116094][ T7549] loop1: detected capacity change from 0 to 8192 [ 241.148547][ T7550] loop0: detected capacity change from 0 to 8192 NULL, 8) = 0 [pid 7550] <... ioctl resumed>) = 0 [pid 7553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7550] close(3 [pid 7553] <... mmap resumed>) = 0x7f8728b89000 [pid 7550] <... close resumed>) = 0 [pid 7553] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7550] mkdir("./file0", 0777 [pid 7553] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7553] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7558]}, 88) = 7558 [pid 7550] <... mkdir resumed>) = 0 [pid 7553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7550] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7553] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7553] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7556] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 ./strace-static-x86_64: Process 7558 attached [pid 7556] set_robust_list(0x7f8728ba99a0, 24 [pid 7554] <... futex resumed>) = 0 [pid 7552] <... clone3 resumed> => {parent_tid=[7556]}, 88) = 7556 [pid 7558] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7556] <... set_robust_list resumed>) = 0 [pid 7554] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7552] rt_sigprocmask(SIG_SETMASK, [], [pid 7558] <... rseq resumed>) = 0 [pid 7556] rt_sigprocmask(SIG_SETMASK, [], [pid 7554] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7552] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7556] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7554] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7552] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7554] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7556] memfd_create("syzkaller", 0 [pid 7554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7554] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7554] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7556] <... memfd_create resumed>) = 3 [ 241.171429][ T7549] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.203768][ T7550] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7554] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7558] set_robust_list(0x7f8728ba99a0, 24 [pid 7556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7558] <... set_robust_list resumed>) = 0 [pid 7558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7554] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7558] memfd_create("syzkaller", 0) = 3 [pid 7554] <... clone3 resumed> => {parent_tid=[7560]}, 88) = 7560 [pid 7554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7554] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7554] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7560 attached [pid 7558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7560] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7558] <... mmap resumed>) = 0x7f8720789000 [pid 7560] <... rseq resumed>) = 0 [pid 7560] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 241.221298][ T7549] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 241.231504][ T7549] REISERFS (device loop1): using ordered data mode [ 241.238912][ T7549] reiserfs: using flush barriers [ 241.246619][ T7550] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 241.249834][ T7549] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7560] memfd_create("syzkaller", 0) = 3 [pid 7560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7556] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 241.257021][ T7550] REISERFS (device loop0): using ordered data mode [ 241.278654][ T7550] reiserfs: using flush barriers [ 241.294065][ T7550] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7558] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 241.344954][ T7550] REISERFS (device loop0): checking transaction log (loop0) [ 241.346742][ T7549] REISERFS (device loop1): checking transaction log (loop1) [ 241.394864][ T7550] REISERFS (device loop0): Using tea hash to sort names [ 241.402334][ T7550] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7550] <... mount resumed>) = 0 [pid 7550] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7555] <... write resumed>) = 4194304 [pid 7550] chdir("./file0" [pid 7555] munmap(0x7f8720789000, 138412032 [pid 7550] <... chdir resumed>) = 0 [pid 7549] <... mount resumed>) = 0 [pid 7550] ioctl(4, LOOP_CLR_FD) = 0 [pid 7550] close(4) = 0 [pid 7550] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] <... write resumed>) = 4194304 [pid 7555] <... munmap resumed>) = 0 [pid 7550] <... futex resumed>) = 1 [pid 7549] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7548] <... futex resumed>) = 0 [pid 7548] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7548] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7550] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7549] <... openat resumed>) = 3 [pid 7549] chdir("./file0") = 0 [pid 7549] ioctl(4, LOOP_CLR_FD [pid 7555] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7549] <... ioctl resumed>) = 0 [pid 7555] <... openat resumed>) = 4 [pid 7549] close(4 [pid 7555] ioctl(4, LOOP_SET_FD, 3 [pid 7549] <... close resumed>) = 0 [ 241.445280][ T7549] REISERFS (device loop1): Using tea hash to sort names [ 241.457813][ T7549] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7550] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7548] <... futex resumed>) = 0 [pid 7550] ftruncate(4, 33587195 [pid 7548] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7548] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7558] <... write resumed>) = 4194304 [pid 7555] <... ioctl resumed>) = 0 [pid 7550] <... ftruncate resumed>) = 0 [pid 7549] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... write resumed>) = 4194304 [pid 7556] munmap(0x7f8720789000, 138412032 [pid 7549] <... futex resumed>) = 1 [pid 7556] <... munmap resumed>) = 0 [pid 7549] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] close(3 [pid 7550] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7547] <... futex resumed>) = 0 [pid 7555] <... close resumed>) = 0 [pid 7547] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] mkdir("./file0", 0777 [pid 7560] munmap(0x7f8720789000, 138412032 [pid 7558] munmap(0x7f8720789000, 138412032 [pid 7555] <... mkdir resumed>) = 0 [pid 7556] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7555] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7550] <... futex resumed>) = 1 [pid 7548] <... futex resumed>) = 0 [pid 7550] creat("./bus", 040 [pid 7548] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... munmap resumed>) = 0 [pid 7558] <... munmap resumed>) = 0 [pid 7556] <... openat resumed>) = 4 [pid 7548] <... futex resumed>) = 0 [pid 7560] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7558] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7556] ioctl(4, LOOP_SET_FD, 3 [pid 7548] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 241.495609][ T7555] loop2: detected capacity change from 0 to 8192 [ 241.531728][ T7555] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7560] <... openat resumed>) = 4 [pid 7558] <... openat resumed>) = 4 [pid 7550] <... creat resumed>) = 5 [pid 7547] <... futex resumed>) = 1 [pid 7560] ioctl(4, LOOP_SET_FD, 3 [pid 7558] ioctl(4, LOOP_SET_FD, 3 [pid 7549] <... futex resumed>) = 0 [pid 7547] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7556] <... ioctl resumed>) = 0 [pid 7550] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7556] close(3 [pid 7550] <... futex resumed>) = 1 [pid 7549] <... open resumed>) = 4 [pid 7548] <... futex resumed>) = 0 [pid 7556] <... close resumed>) = 0 [pid 7550] mkdirat(AT_FDCWD, "./file0", 000 [pid 7549] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7548] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] mkdir("./file0", 0777 [pid 7550] <... mkdirat resumed>) = 0 [pid 7549] <... futex resumed>) = 0 [pid 7548] <... futex resumed>) = 0 [pid 7556] <... mkdir resumed>) = 0 [pid 7550] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7549] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 241.545883][ T7555] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 241.549201][ T7556] loop3: detected capacity change from 0 to 8192 [ 241.555531][ T7555] REISERFS (device loop2): using ordered data mode [ 241.562373][ T7560] loop5: detected capacity change from 0 to 8192 [ 241.568097][ T7555] reiserfs: using flush barriers [ 241.578412][ T7558] loop4: detected capacity change from 0 to 8192 [pid 7548] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] <... ioctl resumed>) = 0 [pid 7550] <... futex resumed>) = 0 [pid 7548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7560] close(3 [pid 7550] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7548] exit_group(0 [pid 7547] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... close resumed>) = 0 [pid 7550] <... futex resumed>) = ? [pid 7549] <... futex resumed>) = 0 [pid 7548] <... exit_group resumed>) = ? [pid 7547] <... futex resumed>) = 1 [pid 7560] mkdir("./file0", 0777 [pid 7556] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7550] +++ exited with 0 +++ [pid 7549] ftruncate(4, 33587195 [pid 7548] +++ exited with 0 +++ [pid 7547] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] <... mkdir resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7548, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7560] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7558] <... ioctl resumed>) = 0 [pid 7549] <... ftruncate resumed>) = 0 [pid 7558] close(3) = 0 [pid 7558] mkdir("./file0", 0777) = 0 [pid 7558] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 241.581603][ T7555] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.605440][ T7555] REISERFS (device loop2): checking transaction log (loop2) [ 241.616647][ T7556] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.621938][ T7555] REISERFS (device loop2): Using tea hash to sort names [ 241.630692][ T7556] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7549] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7547] <... futex resumed>) = 0 [pid 5051] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7549] creat("./bus", 040 [pid 7547] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 241.639903][ T7555] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 241.655340][ T7560] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.666920][ T7556] REISERFS (device loop3): using ordered data mode [ 241.670683][ T7558] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 241.675655][ T7556] reiserfs: using flush barriers [pid 7555] <... mount resumed>) = 0 [pid 7549] <... creat resumed>) = 5 [pid 7547] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7547] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... openat resumed>) = 3 [ 241.688668][ T7560] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 241.699195][ T7558] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 241.703384][ T7560] REISERFS (device loop5): using ordered data mode [ 241.712060][ T7556] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.733918][ T7560] reiserfs: using flush barriers [pid 7549] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7549] <... futex resumed>) = 1 [pid 7547] <... futex resumed>) = 0 [pid 7547] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(3, [pid 7555] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7549] mkdirat(AT_FDCWD, "./file0", 000 [pid 7547] <... futex resumed>) = 0 [pid 7549] <... mkdirat resumed>) = 0 [pid 7547] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7549] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7547] <... futex resumed>) = 0 [pid 7549] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7547] exit_group(0 [pid 7549] <... futex resumed>) = ? [pid 7547] <... exit_group resumed>) = ? [pid 7549] +++ exited with 0 +++ [pid 7547] +++ exited with 0 +++ [pid 7555] <... openat resumed>) = 3 [pid 7555] chdir("./file0" [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7547, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7555] <... chdir resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7555] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7555] close(4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7555] <... close resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... openat resumed>) = 3 [pid 5051] newfstatat(AT_FDCWD, "./139/binderfs", [pid 5052] newfstatat(3, "", [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] unlink("./139/binderfs" [pid 5052] getdents64(3, [pid 5051] <... unlink resumed>) = 0 [pid 7555] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./136/binderfs") = 0 [ 241.735739][ T7560] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 241.756170][ T7558] REISERFS (device loop4): using ordered data mode [ 241.757503][ T7560] REISERFS (device loop5): checking transaction log (loop5) [ 241.774696][ T7560] REISERFS (device loop5): Using tea hash to sort names [ 241.782111][ T7560] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5052] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7560] <... mount resumed>) = 0 [pid 7560] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7555] <... futex resumed>) = 1 [pid 7551] <... futex resumed>) = 0 [pid 7560] <... openat resumed>) = 3 [pid 7555] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7560] chdir("./file0") = 0 [pid 7560] ioctl(4, LOOP_CLR_FD) = 0 [pid 7560] close(4 [pid 7551] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... close resumed>) = 0 [pid 7555] <... futex resumed>) = 0 [pid 7551] <... futex resumed>) = 1 [pid 7560] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7551] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] <... open resumed>) = 4 [pid 7555] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7560] <... futex resumed>) = 1 [pid 7551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7560] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7555] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] <... futex resumed>) = 0 [pid 7551] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7554] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7551] <... futex resumed>) = 0 [pid 7555] ftruncate(4, 33587195 [pid 7560] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7555] <... ftruncate resumed>) = 0 [pid 7551] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... open resumed>) = 4 [pid 7555] <... futex resumed>) = 0 [pid 7551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7551] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] creat("./bus", 040 [pid 7551] <... futex resumed>) = 0 [pid 7560] <... futex resumed>) = 1 [pid 7554] <... futex resumed>) = 0 [pid 7555] <... creat resumed>) = 5 [pid 7551] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7560] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 241.793332][ T7556] REISERFS (device loop3): checking transaction log (loop3) [ 241.815630][ T7556] REISERFS (device loop3): Using tea hash to sort names [ 241.823067][ T7556] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7554] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7555] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] <... futex resumed>) = 0 [pid 7560] ftruncate(4, 33587195 [pid 7554] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] <... futex resumed>) = 1 [pid 7551] <... futex resumed>) = 0 [pid 7551] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] mkdirat(AT_FDCWD, "./file0", 000 [pid 7551] <... futex resumed>) = 0 [pid 7560] <... ftruncate resumed>) = 0 [pid 7555] <... mkdirat resumed>) = 0 [pid 7551] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7555] <... futex resumed>) = 1 [pid 7551] <... futex resumed>) = 0 [ 241.865251][ T7558] reiserfs: using flush barriers [pid 7560] <... futex resumed>) = 1 [pid 7556] <... mount resumed>) = 0 [pid 7555] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7554] <... futex resumed>) = 0 [pid 7551] exit_group(0 [pid 7554] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7551] <... exit_group resumed>) = ? [pid 7554] <... futex resumed>) = 0 [pid 7554] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7555] <... futex resumed>) = ? [pid 7555] +++ exited with 0 +++ [pid 7551] +++ exited with 0 +++ [pid 7560] creat("./bus", 040 [pid 7556] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7551, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5053] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5053] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7556] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7560] <... creat resumed>) = 5 [pid 7556] chdir("./file0" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./135/binderfs") = 0 [pid 5053] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7560] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] <... chdir resumed>) = 0 [pid 7560] <... futex resumed>) = 1 [pid 7556] ioctl(4, LOOP_CLR_FD [pid 7554] <... futex resumed>) = 0 [ 241.893908][ T7558] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7554] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] mkdirat(AT_FDCWD, "./file0", 000 [pid 7556] <... ioctl resumed>) = 0 [pid 7554] <... futex resumed>) = 0 [pid 7556] close(4 [pid 7554] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7556] <... close resumed>) = 0 [pid 7556] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... mkdirat resumed>) = 0 [pid 7560] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7556] <... futex resumed>) = 1 [pid 7552] <... futex resumed>) = 0 [pid 7556] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7552] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7560] <... futex resumed>) = 1 [pid 7554] <... futex resumed>) = 0 [pid 7552] <... futex resumed>) = 0 [pid 7554] exit_group(0 [pid 7552] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7554] <... exit_group resumed>) = ? [pid 7556] <... open resumed>) = 4 [pid 7560] +++ exited with 0 +++ [pid 7556] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7554] +++ exited with 0 +++ [pid 7556] <... futex resumed>) = 1 [pid 7552] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 7556] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7552] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7554, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7552] <... futex resumed>) = 0 [pid 5056] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7556] ftruncate(4, 33587195 [pid 7552] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7556] <... ftruncate resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./136/file0", [pid 5051] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] <... openat resumed>) = 3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] newfstatat(AT_FDCWD, "./139/file0", [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./135/binderfs", [pid 5052] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7556] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7556] <... futex resumed>) = 1 [pid 7552] <... futex resumed>) = 0 [pid 5056] unlink("./135/binderfs" [pid 5052] <... openat resumed>) = 4 [pid 5051] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7552] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 7552] <... futex resumed>) = 0 [pid 5056] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 4 [pid 7556] creat("./bus", 040 [pid 7552] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 241.968565][ T7558] REISERFS (device loop4): checking transaction log (loop4) [ 241.997175][ T7558] REISERFS (device loop4): Using tea hash to sort names [pid 7556] <... creat resumed>) = 5 [pid 5052] getdents64(4, [pid 5051] newfstatat(4, "", [pid 7556] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7556] <... futex resumed>) = 1 [pid 7552] <... futex resumed>) = 0 [pid 5052] getdents64(4, [pid 5051] getdents64(4, [pid 7558] <... mount resumed>) = 0 [pid 7552] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7558] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7552] <... futex resumed>) = 0 [pid 7556] mkdirat(AT_FDCWD, "./file0", 000 [pid 5053] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(4 [pid 5051] getdents64(4, [pid 7558] <... openat resumed>) = 3 [pid 7552] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7558] chdir("./file0" [pid 5053] newfstatat(AT_FDCWD, "./135/file0", [pid 5052] rmdir("./136/file0" [pid 5051] close(4 [pid 7558] <... chdir resumed>) = 0 [pid 7556] <... mkdirat resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7558] ioctl(4, LOOP_CLR_FD [pid 5053] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(3, [pid 5051] rmdir("./139/file0" [pid 7558] <... ioctl resumed>) = 0 [pid 7556] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5052] close(3) = 0 [pid 5051] getdents64(3, [pid 5052] rmdir("./136" [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] close(3 [pid 7556] <... futex resumed>) = 1 [pid 7552] <... futex resumed>) = 0 [pid 7556] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7552] exit_group(0) = ? [pid 5052] mkdir("./137", 0777 [pid 5051] <... close resumed>) = 0 [pid 7556] <... futex resumed>) = ? [pid 5052] <... mkdir resumed>) = 0 [pid 5051] rmdir("./139" [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] <... rmdir resumed>) = 0 [pid 7558] close(4 [pid 7556] +++ exited with 0 +++ [pid 7552] +++ exited with 0 +++ [pid 5053] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... openat resumed>) = 3 [pid 5051] mkdir("./140", 0777 [pid 7558] <... close resumed>) = 0 [ 242.045454][ T7558] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5056] <... umount2 resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7552, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5053] <... openat resumed>) = 4 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5051] <... mkdir resumed>) = 0 [pid 7558] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(4, "", [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7558] <... futex resumed>) = 1 [pid 5056] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] close(3 [pid 5051] <... openat resumed>) = 3 [pid 7558] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] getdents64(4, [pid 5052] <... close resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7553] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] newfstatat(3, "", [pid 7553] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(AT_FDCWD, "./135/file0", [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] close(3 [pid 5054] getdents64(3, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7565 attached [pid 7558] <... futex resumed>) = 0 [pid 7553] <... futex resumed>) = 1 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] getdents64(4, [pid 5051] <... close resumed>) = 0 [pid 7558] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7553] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7565 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7566 attached [pid 7565] set_robust_list(0x55555656d6a0, 24 [pid 7558] <... open resumed>) = 4 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] close(4 [pid 7566] set_robust_list(0x55555656d6a0, 24 [pid 7565] <... set_robust_list resumed>) = 0 [pid 7558] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... close resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7566 [pid 7566] <... set_robust_list resumed>) = 0 [pid 7565] chdir("./137" [pid 7558] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./132/binderfs", [pid 5053] rmdir("./135/file0" [pid 7566] chdir("./140" [pid 7565] <... chdir resumed>) = 0 [pid 7558] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 7566] <... chdir resumed>) = 0 [pid 7565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7553] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5054] unlink("./132/binderfs" [pid 5053] getdents64(3, [pid 7566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7565] <... prctl resumed>) = 0 [pid 7558] ftruncate(4, 33587195 [pid 7553] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7566] <... prctl resumed>) = 0 [pid 7565] setpgid(0, 0 [pid 5054] <... unlink resumed>) = 0 [pid 7566] setpgid(0, 0 [pid 7565] <... setpgid resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5054] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] close(3 [pid 7566] <... setpgid resumed>) = 0 [pid 7565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... close resumed>) = 0 [pid 7566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7565] <... openat resumed>) = 3 [pid 7558] <... ftruncate resumed>) = 0 [pid 5053] rmdir("./135" [pid 7566] <... openat resumed>) = 3 [pid 7565] write(3, "1000", 4 [pid 5056] getdents64(4, [pid 5053] <... rmdir resumed>) = 0 [pid 7566] write(3, "1000", 4 [pid 7565] <... write resumed>) = 4 [pid 7558] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] mkdir("./136", 0777 [pid 7566] <... write resumed>) = 4 [pid 7565] close(3 [pid 7558] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 5056] getdents64(4, [pid 5053] <... mkdir resumed>) = 0 [pid 7566] close(3 [pid 7565] <... close resumed>) = 0 [pid 7558] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7553] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7566] <... close resumed>) = 0 [pid 7553] <... futex resumed>) = 0 [pid 7566] symlink("/dev/binderfs", "./binderfs" [pid 7565] symlink("/dev/binderfs", "./binderfs" [pid 7553] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] close(4 [pid 7566] <... symlink resumed>) = 0 [pid 7565] <... symlink resumed>) = 0 [pid 7558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5056] <... close resumed>) = 0 [pid 7558] creat("./bus", 040 [pid 5056] rmdir("./135/file0" [pid 7566] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] <... creat resumed>) = 5 [pid 5053] <... openat resumed>) = 3 [pid 7565] <... futex resumed>) = 0 [pid 7566] <... futex resumed>) = 0 [pid 7566] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 7566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7565] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7565] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7566] <... mmap resumed>) = 0x7f8728b89000 [pid 7565] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7566] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7566] <... mprotect resumed>) = 0 [pid 7565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] getdents64(3, [pid 7566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7565] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7565] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] close(3 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7565] <... mprotect resumed>) = 0 [pid 5053] close(3 [pid 7565] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... close resumed>) = 0 ./strace-static-x86_64: Process 7567 attached [pid 7566] <... clone3 resumed> => {parent_tid=[7567]}, 88) = 7567 [pid 7565] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] <... close resumed>) = 0 [pid 7567] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7566] rt_sigprocmask(SIG_SETMASK, [], [pid 7565] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7567] <... rseq resumed>) = 0 [pid 7566] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] rmdir("./135" [pid 7567] set_robust_list(0x7f8728ba99a0, 24 [pid 7565] <... clone3 resumed> => {parent_tid=[7569]}, 88) = 7569 [pid 7558] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7569 attached [pid 7567] <... set_robust_list resumed>) = 0 [pid 7566] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] rt_sigprocmask(SIG_SETMASK, [], [pid 7558] <... futex resumed>) = 1 [pid 7553] <... futex resumed>) = 0 [pid 7569] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7567] rt_sigprocmask(SIG_SETMASK, [], [pid 7566] <... futex resumed>) = 0 [pid 7565] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7553] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7568 ./strace-static-x86_64: Process 7568 attached [pid 7569] <... rseq resumed>) = 0 [pid 7567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7566] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7565] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7558] mkdirat(AT_FDCWD, "./file0", 000 [pid 7553] <... futex resumed>) = 0 [pid 5056] mkdir("./136", 0777 [pid 7568] set_robust_list(0x55555656d6a0, 24 [pid 7565] <... futex resumed>) = 0 [pid 7567] memfd_create("syzkaller", 0 [pid 7565] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7553] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7568] <... set_robust_list resumed>) = 0 [pid 7567] <... memfd_create resumed>) = 3 [pid 7568] chdir("./136" [pid 7569] set_robust_list(0x7f8728ba99a0, 24 [pid 7567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7568] <... chdir resumed>) = 0 [pid 7569] <... set_robust_list resumed>) = 0 [pid 7567] <... mmap resumed>) = 0x7f8720789000 [pid 7569] rt_sigprocmask(SIG_SETMASK, [], [pid 7568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7568] <... prctl resumed>) = 0 [pid 7569] memfd_create("syzkaller", 0 [pid 7558] <... mkdirat resumed>) = 0 [pid 7568] setpgid(0, 0 [pid 7569] <... memfd_create resumed>) = 3 [pid 5056] <... mkdir resumed>) = 0 [pid 7568] <... setpgid resumed>) = 0 [pid 7569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7569] <... mmap resumed>) = 0x7f8720789000 [pid 7568] <... openat resumed>) = 3 [pid 7558] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7568] write(3, "1000", 4 [pid 5056] <... openat resumed>) = 3 [pid 7558] <... futex resumed>) = 1 [pid 7568] <... write resumed>) = 4 [pid 7568] close(3 [pid 7558] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7568] <... close resumed>) = 0 [pid 7568] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7553] <... futex resumed>) = 0 [pid 5056] close(3 [pid 7568] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7553] exit_group(0 [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7568] <... futex resumed>) = 0 [pid 7558] <... futex resumed>) = ? [pid 7553] <... exit_group resumed>) = ? [pid 7568] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7568] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7558] +++ exited with 0 +++ [pid 7553] +++ exited with 0 +++ [pid 7568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7553, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7568] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7570 [pid 7568] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7570 attached ) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7568] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7568] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./133/binderfs", ./strace-static-x86_64: Process 7571 attached [pid 7570] set_robust_list(0x55555656d6a0, 24 [pid 7568] <... clone3 resumed> => {parent_tid=[7571]}, 88) = 7571 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7570] <... set_robust_list resumed>) = 0 [pid 7568] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] unlink("./133/binderfs" [pid 7568] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7568] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... unlink resumed>) = 0 [pid 7571] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7570] chdir("./136" [pid 7568] <... futex resumed>) = 0 [pid 5055] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7571] <... rseq resumed>) = 0 [pid 7568] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7570] <... chdir resumed>) = 0 [pid 7567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7571] set_robust_list(0x7f8728ba99a0, 24 [pid 5054] <... umount2 resumed>) = 0 [pid 7571] <... set_robust_list resumed>) = 0 [pid 7570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7571] rt_sigprocmask(SIG_SETMASK, [], [pid 7570] setpgid(0, 0 [pid 7571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7570] <... setpgid resumed>) = 0 [pid 5054] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7571] memfd_create("syzkaller", 0 [pid 7570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7571] <... memfd_create resumed>) = 3 [pid 7570] <... openat resumed>) = 3 [pid 5054] newfstatat(AT_FDCWD, "./132/file0", [pid 7571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7570] write(3, "1000", 4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7571] <... mmap resumed>) = 0x7f8720789000 [pid 5054] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7570] <... write resumed>) = 4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7570] close(3 [pid 5054] <... openat resumed>) = 4 [pid 7570] <... close resumed>) = 0 [pid 7570] symlink("/dev/binderfs", "./binderfs" [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, [pid 7570] <... symlink resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7570] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7570] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 7570] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] rmdir("./132/file0" [pid 7570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] <... rmdir resumed>) = 0 [pid 7570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7569] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] getdents64(3, [pid 7570] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3 [pid 7570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] <... close resumed>) = 0 [pid 7570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] rmdir("./132") = 0 [pid 7570] <... clone3 resumed> => {parent_tid=[7572]}, 88) = 7572 [pid 5054] mkdir("./133", 0777./strace-static-x86_64: Process 7572 attached [pid 7570] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... mkdir resumed>) = 0 [pid 7572] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7572] <... rseq resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 7572] set_robust_list(0x7f8728ba99a0, 24 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7572] <... set_robust_list resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7572] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] close(3 [pid 7572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7572] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7573 ./strace-static-x86_64: Process 7573 attached [pid 7573] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7573] chdir("./133" [pid 7571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7570] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... chdir resumed>) = 0 [pid 7573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7573] setpgid(0, 0) = 0 [pid 7572] <... futex resumed>) = 0 [pid 7570] <... futex resumed>) = 1 [pid 7572] memfd_create("syzkaller", 0 [pid 7570] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7572] <... memfd_create resumed>) = 3 [pid 7572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7572] <... mmap resumed>) = 0x7f8720789000 [pid 7573] <... openat resumed>) = 3 [pid 7573] write(3, "1000", 4) = 4 [pid 7573] close(3) = 0 [pid 7573] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7573] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7573] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 7573] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7573] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7573] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7574]}, 88) = 7574 [pid 5055] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7574 attached [pid 7573] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7574] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7573] <... futex resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./133/file0", [pid 7574] <... rseq resumed>) = 0 [pid 7573] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7574] set_robust_list(0x7f8728ba99a0, 24 [pid 5055] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7574] <... set_robust_list resumed>) = 0 [pid 7572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7569] <... write resumed>) = 4194304 [pid 7567] <... write resumed>) = 4194304 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7574] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7574] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7569] munmap(0x7f8720789000, 138412032 [pid 5055] <... openat resumed>) = 4 [pid 7574] memfd_create("syzkaller", 0 [pid 5055] newfstatat(4, "", [pid 7574] <... memfd_create resumed>) = 3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, [pid 7574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7574] <... mmap resumed>) = 0x7f8720789000 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 7569] <... munmap resumed>) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./133/file0") = 0 [pid 7569] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5055] getdents64(3, [pid 7569] ioctl(4, LOOP_SET_FD, 3 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7567] munmap(0x7f8720789000, 138412032 [pid 5055] close(3) = 0 [pid 5055] rmdir("./133" [pid 7567] <... munmap resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5055] mkdir("./134", 0777 [pid 7571] <... write resumed>) = 4194304 [pid 7569] <... ioctl resumed>) = 0 [pid 7567] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] <... mkdir resumed>) = 0 [pid 7569] close(3) = 0 [pid 7571] munmap(0x7f8720789000, 138412032 [pid 7569] mkdir("./file0", 0777 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7567] <... openat resumed>) = 4 [pid 7567] ioctl(4, LOOP_SET_FD, 3 [pid 7571] <... munmap resumed>) = 0 [pid 7569] <... mkdir resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7571] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7575 attached [pid 7575] set_robust_list(0x55555656d6a0, 24) = 0 [ 242.485848][ T7569] loop1: detected capacity change from 0 to 8192 [ 242.517860][ T7567] loop0: detected capacity change from 0 to 8192 [pid 7575] chdir("./134" [pid 7571] <... openat resumed>) = 4 [pid 7569] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7575 [pid 7571] ioctl(4, LOOP_SET_FD, 3 [pid 7575] <... chdir resumed>) = 0 [pid 7575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7567] <... ioctl resumed>) = 0 [pid 7575] <... prctl resumed>) = 0 [pid 7575] setpgid(0, 0) = 0 [pid 7567] close(3 [pid 7575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7567] <... close resumed>) = 0 [pid 7575] <... openat resumed>) = 3 [pid 7575] write(3, "1000", 4) = 4 [pid 7575] close(3) = 0 [pid 7575] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7567] mkdir("./file0", 0777) = 0 [pid 7575] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7575] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7575] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7567] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7575] <... mprotect resumed>) = 0 [pid 7575] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7577 attached => {parent_tid=[7577]}, 88) = 7577 [pid 7577] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7575] rt_sigprocmask(SIG_SETMASK, [], [pid 7577] <... rseq resumed>) = 0 [pid 7575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7577] set_robust_list(0x7f8728ba99a0, 24 [pid 7575] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7575] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7577] <... set_robust_list resumed>) = 0 [pid 7577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7577] memfd_create("syzkaller", 0) = 3 [pid 7577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 242.533217][ T7571] loop2: detected capacity change from 0 to 8192 [ 242.547105][ T7569] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7571] <... ioctl resumed>) = 0 [pid 7571] close(3) = 0 [pid 7571] mkdir("./file0", 0777) = 0 [ 242.584862][ T7567] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.599627][ T7569] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 242.611868][ T7569] REISERFS (device loop1): using ordered data mode [ 242.622965][ T7569] reiserfs: using flush barriers [pid 7571] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7572] <... write resumed>) = 4194304 [ 242.628783][ T7571] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.636130][ T7567] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 242.664027][ T7569] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7574] <... write resumed>) = 4194304 [pid 7572] munmap(0x7f8720789000, 138412032) = 0 [pid 7577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7574] munmap(0x7f8720789000, 138412032) = 0 [pid 7574] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 242.667615][ T7567] REISERFS (device loop0): using ordered data mode [ 242.685379][ T7571] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 242.687184][ T7567] reiserfs: using flush barriers [ 242.706691][ T7574] loop3: detected capacity change from 0 to 8192 [ 242.706862][ T7572] loop5: detected capacity change from 0 to 8192 [ 242.713167][ T7567] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7572] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7574] ioctl(4, LOOP_SET_FD, 3 [pid 7572] <... openat resumed>) = 4 [pid 7572] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7574] <... ioctl resumed>) = 0 [pid 7574] close(3) = 0 [pid 7574] mkdir("./file0", 0777) = 0 [pid 7574] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7572] close(3 [pid 7569] <... mount resumed>) = 0 [pid 7572] <... close resumed>) = 0 [ 242.733554][ T7571] REISERFS (device loop2): using ordered data mode [ 242.736254][ T7569] REISERFS (device loop1): checking transaction log (loop1) [ 242.749728][ T7571] reiserfs: using flush barriers [ 242.750959][ T7569] REISERFS (device loop1): Using tea hash to sort names [ 242.762162][ T7569] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 242.773379][ T7567] REISERFS (device loop0): checking transaction log (loop0) [pid 7569] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7572] mkdir("./file0", 0777 [pid 7569] <... openat resumed>) = 3 [pid 7569] chdir("./file0" [pid 7572] <... mkdir resumed>) = 0 [pid 7569] <... chdir resumed>) = 0 [pid 7572] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7569] ioctl(4, LOOP_CLR_FD) = 0 [ 242.775809][ T7571] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.782146][ T7567] REISERFS (device loop0): Using tea hash to sort names [ 242.805954][ T7567] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 242.817020][ T7574] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7577] <... write resumed>) = 4194304 [pid 7569] close(4 [pid 7577] munmap(0x7f8720789000, 138412032 [pid 7569] <... close resumed>) = 0 [pid 7569] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7567] <... mount resumed>) = 0 [pid 7569] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7567] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7577] <... munmap resumed>) = 0 [pid 7577] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7567] <... openat resumed>) = 3 [pid 7565] <... futex resumed>) = 0 [pid 7577] ioctl(4, LOOP_SET_FD, 3 [pid 7567] chdir("./file0" [pid 7565] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] <... futex resumed>) = 0 [pid 7567] <... chdir resumed>) = 0 [pid 7565] <... futex resumed>) = 1 [ 242.826357][ T7571] REISERFS (device loop2): checking transaction log (loop2) [ 242.833759][ T7572] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 242.838861][ T7574] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 242.864910][ T7572] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 242.875733][ T7577] loop4: detected capacity change from 0 to 8192 [pid 7569] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7567] ioctl(4, LOOP_CLR_FD [pid 7565] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7577] <... ioctl resumed>) = 0 [pid 7569] <... open resumed>) = 4 [pid 7567] <... ioctl resumed>) = 0 [pid 7569] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] close(4 [pid 7569] <... futex resumed>) = 1 [pid 7567] <... close resumed>) = 0 [pid 7565] <... futex resumed>) = 0 [pid 7569] ftruncate(4, 33587195 [pid 7567] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7565] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... futex resumed>) = 1 [pid 7565] <... futex resumed>) = 0 [pid 7567] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7565] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7577] close(3 [pid 7569] <... ftruncate resumed>) = 0 [pid 7566] <... futex resumed>) = 0 [pid 7566] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... futex resumed>) = 0 [pid 7566] <... futex resumed>) = 1 [pid 7567] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7566] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7567] <... open resumed>) = 4 [pid 7567] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] <... close resumed>) = 0 [ 242.883765][ T29] kauditd_printk_skb: 13 callbacks suppressed [ 242.883778][ T29] audit: type=1800 audit(1698988387.634:818): pid=7569 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 242.895941][ T7574] REISERFS (device loop3): using ordered data mode [ 242.917324][ T7574] reiserfs: using flush barriers [ 242.925362][ T7571] REISERFS (device loop2): Using tea hash to sort names [pid 7577] mkdir("./file0", 0777 [pid 7567] <... futex resumed>) = 1 [pid 7566] <... futex resumed>) = 0 [pid 7577] <... mkdir resumed>) = 0 [pid 7577] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7569] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] ftruncate(4, 33587195 [pid 7566] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] <... futex resumed>) = 1 [pid 7566] <... futex resumed>) = 0 [pid 7565] <... futex resumed>) = 0 [pid 7569] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7565] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7565] <... futex resumed>) = 0 [pid 7569] creat("./bus", 040 [pid 7565] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7569] <... creat resumed>) = 5 [ 242.927423][ T7574] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 242.932703][ T7571] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 242.949245][ T7574] REISERFS (device loop3): checking transaction log (loop3) [ 242.966541][ T7572] REISERFS (device loop5): using ordered data mode [ 242.973163][ T7572] reiserfs: using flush barriers [pid 7569] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] <... ftruncate resumed>) = 0 [pid 7567] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7566] <... futex resumed>) = 0 [pid 7566] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7566] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7565] <... futex resumed>) = 0 [pid 7565] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7565] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7569] <... futex resumed>) = 1 [pid 7569] mkdirat(AT_FDCWD, "./file0", 000 [pid 7567] creat("./bus", 040 [pid 7569] <... mkdirat resumed>) = 0 [pid 7571] <... mount resumed>) = 0 [pid 7567] <... creat resumed>) = 5 [ 242.978814][ T29] audit: type=1800 audit(1698988387.674:819): pid=7567 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 242.992107][ T7574] REISERFS (device loop3): Using tea hash to sort names [ 243.007166][ T7572] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7571] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7565] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7571] <... openat resumed>) = 3 [pid 7574] <... mount resumed>) = 0 [pid 7569] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7566] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7569] <... futex resumed>) = 0 [pid 7566] <... mmap resumed>) = 0x7f8728b68000 [pid 7569] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7566] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7565] exit_group(0 [pid 7569] <... futex resumed>) = ? [pid 7566] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7565] <... exit_group resumed>) = ? [pid 7569] +++ exited with 0 +++ [pid 7566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 7565] +++ exited with 0 +++ [pid 7566] <... clone3 resumed> => {parent_tid=[7583]}, 88) = 7583 [pid 7574] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7571] chdir("./file0" [pid 7567] <... futex resumed>) = 0 [pid 7566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7565, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7571] <... chdir resumed>) = 0 [pid 7567] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7566] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] ioctl(4, LOOP_CLR_FD [pid 5052] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7574] <... openat resumed>) = 3 [pid 7571] <... ioctl resumed>) = 0 [pid 7566] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7583 attached [pid 7566] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7583] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053) = 0 [pid 7583] set_robust_list(0x7f8728b889a0, 24) = 0 [pid 7583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7583] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7583] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7566] <... futex resumed>) = 0 [pid 7574] chdir("./file0" [pid 7571] close(4 [ 243.025482][ T7577] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.026378][ T7572] REISERFS (device loop5): checking transaction log (loop5) [ 243.047731][ T7574] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 243.055302][ T7572] REISERFS (device loop5): Using tea hash to sort names [ 243.064089][ T7577] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 243.076468][ T7577] REISERFS (device loop4): using ordered data mode [pid 7566] exit_group(0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7574] <... chdir resumed>) = 0 [pid 7571] <... close resumed>) = 0 [pid 7567] <... futex resumed>) = ? [pid 7566] <... exit_group resumed>) = ? [pid 7583] +++ exited with 0 +++ [pid 7574] ioctl(4, LOOP_CLR_FD [pid 7571] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7567] +++ exited with 0 +++ [pid 7566] +++ exited with 0 +++ [pid 5052] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7566, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5052] <... openat resumed>) = 3 [pid 5052] newfstatat(3, "", [pid 7574] <... ioctl resumed>) = 0 [pid 7571] <... futex resumed>) = 1 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7574] close(4 [pid 7571] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] getdents64(3, [pid 7574] <... close resumed>) = 0 [ 243.084312][ T7577] reiserfs: using flush barriers [ 243.091161][ T7577] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 243.098363][ T7572] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 243.111235][ T7577] REISERFS (device loop4): checking transaction log (loop4) [ 243.130750][ T7577] REISERFS (device loop4): Using tea hash to sort names [pid 7574] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7568] <... futex resumed>) = 0 [pid 7568] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7568] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7571] <... futex resumed>) = 0 [pid 5052] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7574] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7573] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7574] <... futex resumed>) = 0 [pid 7573] <... futex resumed>) = 1 [pid 5052] newfstatat(AT_FDCWD, "./137/binderfs", [pid 5051] <... openat resumed>) = 3 [pid 7574] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7573] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] <... open resumed>) = 4 [pid 7571] <... open resumed>) = 4 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] newfstatat(3, "", [pid 7574] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7574] ftruncate(4, 33587195 [pid 7573] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.141562][ T29] audit: type=1800 audit(1698988387.894:820): pid=7571 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 243.163306][ T29] audit: type=1800 audit(1698988387.894:821): pid=7574 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 7573] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] <... ftruncate resumed>) = 0 [pid 7571] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] unlink("./137/binderfs" [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7568] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7568] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7568] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7574] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] <... mount resumed>) = 0 [pid 7574] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7572] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7573] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] <... openat resumed>) = 3 [pid 7573] <... futex resumed>) = 0 [pid 7572] chdir("./file0" [pid 7573] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7572] <... chdir resumed>) = 0 [pid 7572] ioctl(4, LOOP_CLR_FD) = 0 [pid 7572] close(4) = 0 [pid 5051] getdents64(3, [pid 7572] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = 1 [pid 5052] <... unlink resumed>) = 0 [pid 7571] ftruncate(4, 33587195 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7577] <... mount resumed>) = 0 [pid 7572] <... futex resumed>) = 1 [pid 7571] <... ftruncate resumed>) = 0 [pid 7570] <... futex resumed>) = 0 [pid 7568] <... futex resumed>) = 0 [pid 5052] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7572] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7571] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7570] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 7577] <... openat resumed>) = 3 [pid 7574] creat("./bus", 040 [pid 7572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7571] <... futex resumed>) = 0 [pid 7570] <... futex resumed>) = 0 [pid 7568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7577] chdir("./file0" [pid 7574] <... creat resumed>) = 5 [pid 7572] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7571] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7568] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 243.184333][ T7577] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5051] newfstatat(AT_FDCWD, "./140/binderfs", [pid 7577] <... chdir resumed>) = 0 [pid 7572] <... open resumed>) = 4 [pid 7571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7568] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7577] ioctl(4, LOOP_CLR_FD [pid 7573] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7572] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7573] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7572] <... futex resumed>) = 1 [pid 7570] <... futex resumed>) = 0 [pid 7573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7570] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] <... ioctl resumed>) = 0 [pid 7574] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... mmap resumed>) = 0x7f8728b68000 [pid 7571] creat("./bus", 040 [pid 7570] <... futex resumed>) = 0 [pid 5051] unlink("./140/binderfs" [pid 7577] close(4 [pid 7574] <... futex resumed>) = 0 [pid 7573] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 7572] ftruncate(4, 33587195 [pid 7571] <... creat resumed>) = 5 [pid 7570] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... unlink resumed>) = 0 [pid 7573] <... mprotect resumed>) = 0 [pid 7577] <... close resumed>) = 0 [pid 7574] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7573] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7572] <... ftruncate resumed>) = 0 [pid 7571] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7577] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = 1 [pid 7568] <... futex resumed>) = 0 [pid 7577] <... futex resumed>) = 1 [pid 7575] <... futex resumed>) = 0 [pid 7571] mkdirat(AT_FDCWD, "./file0", 000 [pid 7568] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7575] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... mkdirat resumed>) = 0 [pid 7568] <... futex resumed>) = 0 [pid 7577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7575] <... futex resumed>) = 0 [pid 7571] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7568] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7577] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7575] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7573] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7572] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7571] <... futex resumed>) = 0 [pid 7568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7573] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 7572] <... futex resumed>) = 1 [pid 7570] <... futex resumed>) = 0 [pid 7570] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7572] creat("./bus", 040./strace-static-x86_64: Process 7584 attached [pid 7570] <... futex resumed>) = 0 [pid 7577] <... open resumed>) = 4 [pid 7571] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 243.228710][ T29] audit: type=1800 audit(1698988387.984:822): pid=7572 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 7568] exit_group(0 [pid 7584] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 7577] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... clone3 resumed> => {parent_tid=[7584]}, 88) = 7584 [pid 7571] <... futex resumed>) = ? [pid 7568] <... exit_group resumed>) = ? [pid 7577] <... futex resumed>) = 1 [pid 7575] <... futex resumed>) = 0 [pid 7571] +++ exited with 0 +++ [pid 7568] +++ exited with 0 +++ [pid 7577] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7575] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7568, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 7577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7575] <... futex resumed>) = 0 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 7577] ftruncate(4, 33587195 [pid 7575] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... restart_syscall resumed>) = 0 [pid 5053] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7584] <... rseq resumed>) = 0 [pid 7577] <... ftruncate resumed>) = 0 [pid 7573] rt_sigprocmask(SIG_SETMASK, [], [pid 7572] <... creat resumed>) = 5 [pid 7584] set_robust_list(0x7f8728b889a0, 24 [pid 7573] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 243.279389][ T29] audit: type=1800 audit(1698988388.034:823): pid=7577 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 7572] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] <... set_robust_list resumed>) = 0 [pid 7573] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] rt_sigprocmask(SIG_SETMASK, [], [pid 7577] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] <... futex resumed>) = 0 [pid 7572] <... futex resumed>) = 1 [pid 7570] <... futex resumed>) = 0 [pid 5053] getdents64(3, [pid 7584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7573] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7572] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7584] mkdirat(AT_FDCWD, "./file0", 000 [pid 7572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7570] <... futex resumed>) = 0 [pid 7584] <... mkdirat resumed>) = 0 [pid 7575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7572] mkdirat(AT_FDCWD, "./file0", 000 [pid 7570] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7577] <... futex resumed>) = 0 [pid 7575] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7577] creat("./bus", 040 [pid 7575] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7584] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7577] <... creat resumed>) = 5 [pid 7575] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7572] <... mkdirat resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./136/binderfs", [pid 7584] <... futex resumed>) = 1 [pid 7573] <... futex resumed>) = 0 [pid 7572] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] exit_group(0) = ? [pid 7572] <... futex resumed>) = 1 [pid 7570] <... futex resumed>) = 0 [pid 7574] <... futex resumed>) = ? [pid 7574] +++ exited with 0 +++ [pid 7572] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7570] exit_group(0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7572] <... futex resumed>) = ? [pid 7570] <... exit_group resumed>) = ? [pid 7572] +++ exited with 0 +++ [pid 7570] +++ exited with 0 +++ [pid 5053] unlink("./136/binderfs" [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7570, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7577] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... unlink resumed>) = 0 [pid 7577] <... futex resumed>) = 1 [pid 7575] <... futex resumed>) = 0 [pid 5053] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7584] +++ exited with 0 +++ [pid 7575] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7573] +++ exited with 0 +++ [pid 7575] <... futex resumed>) = 0 [pid 7575] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7577] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7573, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5052] <... umount2 resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... openat resumed>) = 3 [pid 5054] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(3, "", [pid 5054] <... openat resumed>) = 3 [pid 5052] newfstatat(AT_FDCWD, "./137/file0", [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, [pid 5054] newfstatat(3, "", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7577] <... mkdirat resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./136/binderfs", [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7577] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] unlink("./136/binderfs" [pid 5054] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... openat resumed>) = 4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(4, "", [pid 7577] <... futex resumed>) = 1 [pid 7575] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7575] exit_group(0 [pid 5052] getdents64(4, [pid 7575] <... exit_group resumed>) = ? [pid 5056] <... unlink resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(AT_FDCWD, "./133/binderfs", [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... close resumed>) = 0 [pid 5054] unlink("./133/binderfs" [pid 5052] rmdir("./137/file0") = 0 [pid 5052] getdents64(3, [pid 7577] +++ exited with 0 +++ [pid 7575] +++ exited with 0 +++ [pid 5054] <... unlink resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(3 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7575, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 5052] <... close resumed>) = 0 [pid 5055] <... restart_syscall resumed>) = 0 [pid 5052] rmdir("./137") = 0 [pid 5052] mkdir("./138", 0777) = 0 [pid 5055] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... openat resumed>) = 3 [pid 5055] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5055] newfstatat(AT_FDCWD, "./134/binderfs", [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] close(3 [pid 5055] unlink("./134/binderfs" [pid 5052] <... close resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7585 attached [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7585 [pid 7585] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7585] chdir("./138") = 0 [pid 7585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7585] setpgid(0, 0) = 0 [pid 7585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7585] write(3, "1000", 4) = 4 [pid 7585] close(3) = 0 [pid 7585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7585] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7585] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7585] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7585] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7585] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5051] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7585] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] newfstatat(AT_FDCWD, "./140/file0", [pid 7585] <... clone3 resumed> => {parent_tid=[7586]}, 88) = 7586 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7585] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 7586 attached [pid 5051] newfstatat(4, "", [pid 7586] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7586] <... rseq resumed>) = 0 [pid 7586] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 5051] getdents64(4, [pid 7586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./140/file0" [pid 7586] memfd_create("syzkaller", 0) = 3 [pid 5051] <... rmdir resumed>) = 0 [pid 7586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7586] <... mmap resumed>) = 0x7f8720789000 [pid 5051] close(3) = 0 [pid 5051] rmdir("./140") = 0 [pid 5051] mkdir("./141", 0777) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7587 ./strace-static-x86_64: Process 7587 attached [pid 7587] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7587] chdir("./141") = 0 [pid 7587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7587] setpgid(0, 0) = 0 [pid 7587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7587] write(3, "1000", 4) = 4 [pid 7587] close(3) = 0 [pid 7587] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7587] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7587] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7587] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7588]}, 88) = 7588 [pid 7587] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 7588 attached [pid 7587] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = 0 [pid 7588] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7587] <... futex resumed>) = 0 [pid 7588] set_robust_list(0x7f8728ba99a0, 24 [pid 7587] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7588] <... set_robust_list resumed>) = 0 [pid 5053] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7588] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7588] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 7588] memfd_create("syzkaller", 0 [pid 5053] newfstatat(AT_FDCWD, "./136/file0", [pid 7588] <... memfd_create resumed>) = 3 [pid 7588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7588] <... mmap resumed>) = 0x7f8720789000 [pid 5053] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7586] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] <... umount2 resumed>) = 0 [pid 5054] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./133/file0", [pid 5055] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(4, "", [pid 5055] newfstatat(AT_FDCWD, "./134/file0", [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... openat resumed>) = 4 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] getdents64(4, [pid 5055] <... openat resumed>) = 4 [pid 5054] newfstatat(4, "", [pid 5055] newfstatat(4, "", [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, [pid 5053] getdents64(4, [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 5056] newfstatat(AT_FDCWD, "./136/file0", [pid 5054] <... close resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] getdents64(4, [pid 5054] rmdir("./133/file0" [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... rmdir resumed>) = 0 [pid 5055] getdents64(4, [pid 5054] getdents64(3, [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] close(4 [pid 5054] close(3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... close resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5055] rmdir("./134/file0" [pid 5054] rmdir("./133" [pid 5055] <... rmdir resumed>) = 0 [pid 5055] getdents64(3, [pid 5054] <... rmdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] close(3 [pid 5056] <... openat resumed>) = 4 [pid 5055] <... close resumed>) = 0 [pid 5054] mkdir("./134", 0777 [pid 5056] newfstatat(4, "", [pid 5055] rmdir("./134" [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5056] getdents64(4, [pid 5053] close(4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] mkdir("./135", 0777 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./136/file0" [pid 5055] <... mkdir resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5056] close(4 [pid 5054] <... openat resumed>) = 3 [pid 5056] <... close resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] close(3 [pid 7588] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] rmdir("./136/file0" [pid 5055] <... openat resumed>) = 3 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./136" [pid 5056] <... rmdir resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5054] close(3 [pid 5053] mkdir("./137", 0777 [pid 5054] <... close resumed>) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] getdents64(3, [pid 5055] close(3 [pid 5053] <... mkdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... openat resumed>) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5056] close(3 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] <... close resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7590 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7589 [pid 5053] close(3./strace-static-x86_64: Process 7589 attached [pid 5056] rmdir("./136" [pid 5053] <... close resumed>) = 0 [pid 7589] set_robust_list(0x55555656d6a0, 24 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7589] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7590 attached [pid 7590] set_robust_list(0x55555656d6a0, 24 [pid 7589] chdir("./134" [pid 7590] <... set_robust_list resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 7590] chdir("./135" [pid 5056] mkdir("./137", 0777 [pid 7589] <... chdir resumed>) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 7589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7590] <... chdir resumed>) = 0 [pid 7589] <... prctl resumed>) = 0 [pid 7589] setpgid(0, 0 [pid 7590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7589] <... setpgid resumed>) = 0 [pid 7590] setpgid(0, 0) = 0 [pid 7590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 7591 attached [pid 7589] <... openat resumed>) = 3 [pid 5056] <... openat resumed>) = 3 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7591 [pid 7591] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7590] <... openat resumed>) = 3 [pid 7589] write(3, "1000", 4 [pid 7590] write(3, "1000", 4) = 4 [pid 7591] chdir("./137" [pid 7590] close(3 [pid 7589] <... write resumed>) = 4 [pid 7586] <... write resumed>) = 4194304 [pid 7591] <... chdir resumed>) = 0 [pid 7590] <... close resumed>) = 0 [pid 7589] close(3 [pid 7586] munmap(0x7f8720789000, 138412032 [pid 7590] symlink("/dev/binderfs", "./binderfs" [pid 7589] <... close resumed>) = 0 [pid 7590] <... symlink resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7590] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7590] <... futex resumed>) = 0 [pid 7589] symlink("/dev/binderfs", "./binderfs" [pid 5056] close(3 [pid 7590] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... close resumed>) = 0 [pid 7591] <... prctl resumed>) = 0 [pid 7589] <... symlink resumed>) = 0 [pid 7586] <... munmap resumed>) = 0 [pid 7590] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7590] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7590] <... mmap resumed>) = 0x7f8728b89000 [pid 7590] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7590] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7592 [pid 7589] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] setpgid(0, 0 [pid 7586] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7592 attached [pid 7590] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7592] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7592] chdir("./137" [pid 7586] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7593 attached [pid 7592] <... chdir resumed>) = 0 [pid 7591] <... setpgid resumed>) = 0 [pid 7589] <... futex resumed>) = 0 [pid 7586] ioctl(4, LOOP_SET_FD, 3 [pid 7593] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7590] <... clone3 resumed> => {parent_tid=[7593]}, 88) = 7593 [pid 7589] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7592] <... prctl resumed>) = 0 [pid 7590] rt_sigprocmask(SIG_SETMASK, [], [pid 7592] setpgid(0, 0 [pid 7590] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7592] <... setpgid resumed>) = 0 [pid 7590] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... rseq resumed>) = 0 [pid 7592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7590] <... futex resumed>) = 0 [pid 7589] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7586] <... ioctl resumed>) = 0 [pid 7593] set_robust_list(0x7f8728ba99a0, 24 [pid 7589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7586] close(3 [pid 7593] <... set_robust_list resumed>) = 0 [pid 7589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7586] <... close resumed>) = 0 [pid 7593] rt_sigprocmask(SIG_SETMASK, [], [pid 7591] <... openat resumed>) = 3 [pid 7589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7586] mkdir("./file0", 0777 [pid 7593] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7592] <... openat resumed>) = 3 [pid 7591] write(3, "1000", 4 [pid 7590] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7589] <... mmap resumed>) = 0x7f8728b89000 [pid 7586] <... mkdir resumed>) = 0 [pid 7593] memfd_create("syzkaller", 0 [pid 7589] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7586] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7593] <... memfd_create resumed>) = 3 [pid 7591] <... write resumed>) = 4 [pid 7589] <... mprotect resumed>) = 0 [pid 7592] write(3, "1000", 4 [pid 7591] close(3 [pid 7592] <... write resumed>) = 4 [pid 7589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7592] close(3 [pid 7591] <... close resumed>) = 0 [pid 7589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7593] <... mmap resumed>) = 0x7f8720789000 [pid 7592] <... close resumed>) = 0 [pid 7591] symlink("/dev/binderfs", "./binderfs" [pid 7589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7592] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7592] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7592] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7592] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7592] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7591] <... symlink resumed>) = 0 [pid 7589] <... clone3 resumed> => {parent_tid=[7595]}, 88) = 7595 [pid 7591] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7589] rt_sigprocmask(SIG_SETMASK, [], [pid 7591] <... futex resumed>) = 0 [pid 7592] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7592] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7591] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7592] <... clone3 resumed> => {parent_tid=[7596]}, 88) = 7596 [pid 7592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7591] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7589] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7589] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7596 attached ./strace-static-x86_64: Process 7595 attached [pid 7592] <... futex resumed>) = 0 [pid 7591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7589] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7595] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7592] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7596] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7591] <... mmap resumed>) = 0x7f8728b89000 [pid 7596] <... rseq resumed>) = 0 [pid 7596] set_robust_list(0x7f8728ba99a0, 24 [pid 7595] <... rseq resumed>) = 0 [pid 7591] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7596] <... set_robust_list resumed>) = 0 [pid 7595] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7596] rt_sigprocmask(SIG_SETMASK, [], [pid 7591] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7596] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7595] rt_sigprocmask(SIG_SETMASK, [], [pid 7591] <... rt_sigprocmask resumed>[], 8) = 0 [ 243.746505][ T7586] loop1: detected capacity change from 0 to 8192 [ 243.761751][ T7586] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7597 attached [pid 7596] memfd_create("syzkaller", 0 [pid 7595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7588] <... write resumed>) = 4194304 [pid 7591] <... clone3 resumed> => {parent_tid=[7597]}, 88) = 7597 [pid 7597] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7596] <... memfd_create resumed>) = 3 [pid 7595] memfd_create("syzkaller", 0 [pid 7591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7595] <... memfd_create resumed>) = 3 [pid 7591] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] <... rseq resumed>) = 0 [pid 7596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7591] <... futex resumed>) = 0 [pid 7595] <... mmap resumed>) = 0x7f8720789000 [pid 7591] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7596] <... mmap resumed>) = 0x7f8720789000 [pid 7597] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7588] munmap(0x7f8720789000, 138412032 [pid 7597] rt_sigprocmask(SIG_SETMASK, [], [pid 7588] <... munmap resumed>) = 0 [pid 7597] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7597] memfd_create("syzkaller", 0) = 3 [pid 7588] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7588] <... openat resumed>) = 4 [ 243.805610][ T7586] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 243.819812][ T7586] REISERFS (device loop1): using ordered data mode [ 243.828737][ T7586] reiserfs: using flush barriers [pid 7597] <... mmap resumed>) = 0x7f8720789000 [pid 7588] ioctl(4, LOOP_SET_FD, 3 [pid 7595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7588] <... ioctl resumed>) = 0 [pid 7588] close(3) = 0 [pid 7588] mkdir("./file0", 0777) = 0 [pid 7588] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 243.860006][ T7588] loop0: detected capacity change from 0 to 8192 [ 243.884203][ T7586] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7597] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7595] <... write resumed>) = 4194304 [pid 7595] munmap(0x7f8720789000, 138412032) = 0 [pid 7595] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 243.948705][ T7586] REISERFS (device loop1): checking transaction log (loop1) [ 243.956322][ T7588] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 243.986453][ T7588] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7595] ioctl(4, LOOP_SET_FD, 3 [pid 7597] <... write resumed>) = 4194304 [pid 7595] <... ioctl resumed>) = 0 [ 243.997234][ T7595] loop3: detected capacity change from 0 to 8192 [ 244.005953][ T7586] REISERFS (device loop1): Using tea hash to sort names [ 244.033878][ T7588] REISERFS (device loop0): using ordered data mode [ 244.035965][ T7586] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7597] munmap(0x7f8720789000, 138412032 [pid 7595] close(3 [pid 7586] <... mount resumed>) = 0 [pid 7595] <... close resumed>) = 0 [pid 7595] mkdir("./file0", 0777 [pid 7596] <... write resumed>) = 4194304 [pid 7595] <... mkdir resumed>) = 0 [pid 7595] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7597] <... munmap resumed>) = 0 [pid 7596] munmap(0x7f8720789000, 138412032 [pid 7597] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7596] <... munmap resumed>) = 0 [pid 7586] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7597] <... openat resumed>) = 4 [pid 7586] <... openat resumed>) = 3 [pid 7586] chdir("./file0" [pid 7596] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7586] <... chdir resumed>) = 0 [pid 7596] <... openat resumed>) = 4 [pid 7586] ioctl(4, LOOP_CLR_FD [pid 7596] ioctl(4, LOOP_SET_FD, 3 [pid 7597] ioctl(4, LOOP_SET_FD, 3 [pid 7586] <... ioctl resumed>) = 0 [pid 7586] close(4 [pid 7593] <... write resumed>) = 4194304 [pid 7586] <... close resumed>) = 0 [ 244.041476][ T7588] reiserfs: using flush barriers [ 244.064775][ T7596] loop5: detected capacity change from 0 to 8192 [ 244.072863][ T7595] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.084759][ T7597] loop2: detected capacity change from 0 to 8192 [pid 7596] <... ioctl resumed>) = 0 [pid 7593] munmap(0x7f8720789000, 138412032 [pid 7586] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] close(3) = 0 [pid 7596] mkdir("./file0", 0777) = 0 [pid 7596] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7586] <... futex resumed>) = 1 [pid 7585] <... futex resumed>) = 0 [pid 7585] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7586] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7585] <... futex resumed>) = 0 [pid 7586] <... open resumed>) = 4 [pid 7585] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7593] <... munmap resumed>) = 0 [ 244.095262][ T29] audit: type=1800 audit(1698988388.854:824): pid=7586 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 244.096774][ T7596] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 244.116669][ T7588] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7586] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] <... ioctl resumed>) = 0 [pid 7593] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7586] <... futex resumed>) = 1 [pid 7585] <... futex resumed>) = 0 [pid 7597] close(3 [pid 7585] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] <... close resumed>) = 0 [pid 7585] <... futex resumed>) = 0 [pid 7597] mkdir("./file0", 0777 [pid 7585] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7597] <... mkdir resumed>) = 0 [pid 7597] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7593] <... openat resumed>) = 4 [pid 7586] ftruncate(4, 33587195 [ 244.145466][ T7595] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 244.146525][ T7588] REISERFS (device loop0): checking transaction log (loop0) [ 244.161411][ T7595] REISERFS (device loop3): using ordered data mode [ 244.163343][ T7596] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 244.168771][ T7595] reiserfs: using flush barriers [ 244.180835][ T7593] loop4: detected capacity change from 0 to 8192 [ 244.186144][ T7596] REISERFS (device loop5): using ordered data mode [pid 7593] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7586] <... ftruncate resumed>) = 0 [pid 7593] close(3 [pid 7586] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] <... close resumed>) = 0 [pid 7586] <... futex resumed>) = 1 [pid 7593] mkdir("./file0", 0777 [pid 7586] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7593] <... mkdir resumed>) = 0 [ 244.196070][ T7596] reiserfs: using flush barriers [ 244.199807][ T7588] REISERFS (device loop0): Using tea hash to sort names [ 244.201223][ T7595] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.224322][ T7597] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7593] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7585] <... futex resumed>) = 0 [pid 7585] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7585] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7586] <... futex resumed>) = 0 [ 244.226054][ T7596] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.237498][ T7597] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 244.254991][ T7596] REISERFS (device loop5): checking transaction log (loop5) [ 244.270504][ T7588] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 244.273028][ T7596] REISERFS (device loop5): Using tea hash to sort names [ 244.287474][ T7593] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7586] creat("./bus", 040) = 5 [pid 7588] <... mount resumed>) = 0 [pid 7586] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... mount resumed>) = 0 [pid 7588] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7586] <... futex resumed>) = 0 [pid 7585] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7585] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7585] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7586] mkdirat(AT_FDCWD, "./file0", 000 [pid 7588] <... openat resumed>) = 3 [pid 7586] <... mkdirat resumed>) = 0 [pid 7586] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] chdir("./file0" [pid 7596] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7588] <... chdir resumed>) = 0 [pid 7596] <... openat resumed>) = 3 [pid 7588] ioctl(4, LOOP_CLR_FD [pid 7596] chdir("./file0" [pid 7586] <... futex resumed>) = 1 [pid 7585] <... futex resumed>) = 0 [pid 7586] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7585] exit_group(0 [pid 7596] <... chdir resumed>) = 0 [pid 7586] <... futex resumed>) = ? [pid 7585] <... exit_group resumed>) = ? [ 244.292203][ T7596] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 244.302542][ T7595] REISERFS (device loop3): checking transaction log (loop3) [ 244.311131][ T7593] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 244.319404][ T7597] REISERFS (device loop2): using ordered data mode [ 244.328146][ T7595] REISERFS (device loop3): Using tea hash to sort names [pid 7596] ioctl(4, LOOP_CLR_FD [pid 7588] <... ioctl resumed>) = 0 [pid 7586] +++ exited with 0 +++ [pid 7585] +++ exited with 0 +++ [pid 7588] close(4 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7585, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 7596] <... ioctl resumed>) = 0 [pid 7588] <... close resumed>) = 0 [pid 7596] close(4 [pid 7588] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7587] <... futex resumed>) = 0 [pid 5052] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7588] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] <... close resumed>) = 0 [pid 7587] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7587] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7596] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 244.346258][ T7597] reiserfs: using flush barriers [ 244.357539][ T7593] REISERFS (device loop4): using ordered data mode [ 244.365828][ T7593] reiserfs: using flush barriers [ 244.373275][ T29] audit: type=1800 audit(1698988389.124:825): pid=7588 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 7596] <... futex resumed>) = 1 [pid 7592] <... futex resumed>) = 0 [pid 7588] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7596] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7592] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7588] <... open resumed>) = 4 [pid 7595] <... mount resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7595] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5052] newfstatat(3, "", [pid 7592] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7592] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] getdents64(3, [pid 7596] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7588] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7596] <... open resumed>) = 4 [pid 7595] <... openat resumed>) = 3 [pid 7588] <... futex resumed>) = 1 [pid 7587] <... futex resumed>) = 0 [pid 5052] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7588] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] newfstatat(AT_FDCWD, "./138/binderfs", [pid 7587] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7587] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7595] chdir("./file0" [pid 7588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7596] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7592] <... futex resumed>) = 0 [pid 7596] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7592] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] unlink("./138/binderfs" [pid 7595] <... chdir resumed>) = 0 [pid 7595] ioctl(4, LOOP_CLR_FD) = 0 [pid 7592] <... futex resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 7596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7595] close(4) = 0 [pid 7595] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 244.375008][ T7595] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 244.405554][ T7593] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7595] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] ftruncate(4, 33587195 [pid 7592] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7589] <... futex resumed>) = 0 [pid 7588] ftruncate(4, 33587195 [pid 5052] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7589] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] <... ftruncate resumed>) = 0 [pid 7595] <... futex resumed>) = 0 [pid 7589] <... futex resumed>) = 1 [pid 7588] <... ftruncate resumed>) = 0 [pid 7595] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7589] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7588] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] <... open resumed>) = 4 [pid 7588] <... futex resumed>) = 1 [pid 7587] <... futex resumed>) = 0 [pid 7588] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7596] <... futex resumed>) = 1 [pid 7592] <... futex resumed>) = 0 [pid 7592] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] creat("./bus", 040 [pid 7587] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7587] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7595] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7589] <... futex resumed>) = 0 [pid 7589] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7589] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7595] ftruncate(4, 33587195 [pid 7588] <... futex resumed>) = 0 [pid 7595] <... ftruncate resumed>) = 0 [ 244.436141][ T7597] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 244.451993][ T7593] REISERFS (device loop4): checking transaction log (loop4) [ 244.470346][ T29] audit: type=1800 audit(1698988389.164:826): pid=7596 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 7596] <... creat resumed>) = 5 [pid 7595] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7592] <... futex resumed>) = 0 [pid 7588] creat("./bus", 040 [pid 7595] <... futex resumed>) = 1 [pid 7589] <... futex resumed>) = 0 [pid 7589] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7589] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7595] creat("./bus", 040) = 5 [pid 7588] <... creat resumed>) = 5 [pid 7592] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7588] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7587] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7588] <... futex resumed>) = 0 [pid 7587] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7595] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7588] mkdirat(AT_FDCWD, "./file0", 000 [pid 7595] <... futex resumed>) = 1 [pid 7589] <... futex resumed>) = 0 [pid 7589] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.498331][ T7597] REISERFS (device loop2): checking transaction log (loop2) [pid 7589] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7596] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7595] mkdirat(AT_FDCWD, "./file0", 000 [pid 7588] <... mkdirat resumed>) = 0 [pid 7596] <... futex resumed>) = 0 [pid 7595] <... mkdirat resumed>) = 0 [pid 7592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7588] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7588] <... futex resumed>) = 0 [pid 7588] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7592] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7596] mkdirat(AT_FDCWD, "./file0", 000 [pid 7587] exit_group(0) = ? [pid 7588] <... futex resumed>) = ? [pid 7595] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7595] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7588] +++ exited with 0 +++ [pid 7587] +++ exited with 0 +++ [pid 7589] exit_group(0) = ? [pid 7595] <... futex resumed>) = ? [pid 7596] <... mkdirat resumed>) = 0 [pid 7595] +++ exited with 0 +++ [pid 7592] <... futex resumed>) = 0 [pid 7589] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7587, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5051] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7589, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 244.535202][ T7593] REISERFS (device loop4): Using tea hash to sort names [ 244.550713][ T29] audit: type=1800 audit(1698988389.214:827): pid=7595 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 244.556161][ T7597] REISERFS (device loop2): Using tea hash to sort names [pid 7592] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7596] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] newfstatat(3, "", [pid 7597] <... mount resumed>) = 0 [pid 7596] <... futex resumed>) = 1 [pid 7593] <... mount resumed>) = 0 [pid 7592] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7596] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7593] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7592] exit_group(0 [pid 5054] newfstatat(3, "", [pid 5052] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(3, [pid 7597] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7596] <... futex resumed>) = ? [pid 7592] <... exit_group resumed>) = ? [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7596] +++ exited with 0 +++ [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] getdents64(3, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7592] +++ exited with 0 +++ [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./141/binderfs", [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7592, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./141/binderfs" [pid 5056] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(AT_FDCWD, "./138/file0", [pid 5051] <... unlink resumed>) = 0 [pid 7597] <... openat resumed>) = 3 [pid 7593] <... openat resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] chdir("./file0" [pid 5056] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] newfstatat(AT_FDCWD, "./134/binderfs", [pid 5052] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] <... chdir resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7597] ioctl(4, LOOP_CLR_FD [pid 5056] newfstatat(3, "", [pid 5054] unlink("./134/binderfs" [pid 5052] <... openat resumed>) = 4 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 5056] getdents64(3, [pid 7597] <... ioctl resumed>) = 0 [pid 7597] close(4 [pid 7593] chdir("./file0" [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(4, "", [pid 7597] <... close resumed>) = 0 [pid 7593] <... chdir resumed>) = 0 [ 244.588225][ T7593] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 244.603162][ T7597] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5056] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] ioctl(4, LOOP_CLR_FD [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7597] <... futex resumed>) = 1 [pid 7593] <... ioctl resumed>) = 0 [pid 7591] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./137/binderfs", [pid 7597] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7593] close(4 [pid 7591] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 7597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7591] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7597] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7593] <... close resumed>) = 0 [pid 7591] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] unlink("./137/binderfs" [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7597] <... open resumed>) = 4 [pid 5056] <... unlink resumed>) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7597] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7593] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(4) = 0 [pid 5052] rmdir("./138/file0" [pid 7597] <... futex resumed>) = 1 [pid 7593] <... futex resumed>) = 1 [pid 7591] <... futex resumed>) = 0 [pid 7590] <... futex resumed>) = 0 [pid 7591] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7591] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7590] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7590] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7597] ftruncate(4, 33587195 [pid 7593] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] <... rmdir resumed>) = 0 [pid 7597] <... ftruncate resumed>) = 0 [pid 7593] <... open resumed>) = 4 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7597] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3) = 0 [pid 5052] rmdir("./138") = 0 [pid 7597] <... futex resumed>) = 1 [pid 7591] <... futex resumed>) = 0 [pid 5052] mkdir("./139", 0777 [pid 7591] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7591] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7597] creat("./bus", 040 [pid 5052] <... mkdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7593] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] <... futex resumed>) = 0 [pid 7590] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7590] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7593] <... futex resumed>) = 1 [pid 7593] ftruncate(4, 33587195 [pid 5052] <... openat resumed>) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7593] <... ftruncate resumed>) = 0 [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7603 attached [pid 7597] <... creat resumed>) = 5 [pid 7593] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7603 [pid 7603] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7593] <... futex resumed>) = 1 [pid 7590] <... futex resumed>) = 0 [pid 7593] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] chdir("./139" [pid 7597] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7597] <... futex resumed>) = 1 [pid 7593] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7591] <... futex resumed>) = 0 [pid 7590] <... futex resumed>) = 0 [pid 7603] <... chdir resumed>) = 0 [pid 7603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7597] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] <... prctl resumed>) = 0 [pid 7593] creat("./bus", 040 [pid 7603] setpgid(0, 0) = 0 [pid 7593] <... creat resumed>) = 5 [pid 7591] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = 0 [pid 7591] <... futex resumed>) = 1 [pid 7603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7597] <... futex resumed>) = 0 [pid 7593] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7603] <... openat resumed>) = 3 [pid 7597] mkdirat(AT_FDCWD, "./file0", 000 [pid 5054] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./134/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./134/file0" [pid 7603] write(3, "1000", 4 [pid 7597] <... mkdirat resumed>) = 0 [pid 7593] <... futex resumed>) = 1 [pid 7590] <... futex resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 7593] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] <... write resumed>) = 4 [pid 7597] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 7590] <... futex resumed>) = 1 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7590] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] close(3 [pid 7593] <... futex resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 7603] close(3 [pid 7597] <... futex resumed>) = 1 [pid 7593] mkdirat(AT_FDCWD, "./file0", 000 [pid 7591] <... futex resumed>) = 0 [pid 5054] rmdir("./134" [pid 7597] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7593] <... mkdirat resumed>) = 0 [pid 7591] exit_group(0 [pid 5054] <... rmdir resumed>) = 0 [pid 7603] <... close resumed>) = 0 [pid 7597] <... futex resumed>) = ? [pid 7593] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7591] <... exit_group resumed>) = ? [pid 5054] mkdir("./135", 0777 [pid 7603] symlink("/dev/binderfs", "./binderfs" [pid 7597] +++ exited with 0 +++ [pid 7593] <... futex resumed>) = 1 [pid 7591] +++ exited with 0 +++ [pid 7590] <... futex resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 7603] <... symlink resumed>) = 0 [pid 7593] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7590] exit_group(0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7591, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 7593] <... futex resumed>) = ? [pid 7590] <... exit_group resumed>) = ? [pid 5054] <... openat resumed>) = 3 [pid 7593] +++ exited with 0 +++ [pid 7603] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7590] +++ exited with 0 +++ [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7603] <... futex resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7590, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... umount2 resumed>) = 0 [pid 7603] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] close(3) = 0 [pid 5053] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7603] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7604 [pid 5051] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./141/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7604 attached [pid 7603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] <... openat resumed>) = 3 [pid 5053] <... openat resumed>) = 3 [pid 7604] set_robust_list(0x55555656d6a0, 24 [pid 7603] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] newfstatat(3, "", [pid 5053] newfstatat(3, "", [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, [pid 5053] getdents64(3, [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7604] <... set_robust_list resumed>) = 0 [pid 7603] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7603] <... mprotect resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7604] chdir("./135" [pid 5055] newfstatat(AT_FDCWD, "./135/binderfs", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7604] <... chdir resumed>) = 0 [pid 7603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] newfstatat(AT_FDCWD, "./137/binderfs", [pid 5051] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] unlink("./135/binderfs" [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... openat resumed>) = 4 [pid 7604] <... prctl resumed>) = 0 [pid 5051] newfstatat(4, "", [pid 7604] setpgid(0, 0 [pid 5055] <... unlink resumed>) = 0 [pid 5053] unlink("./137/binderfs" [pid 7604] <... setpgid resumed>) = 0 [pid 7603] <... clone3 resumed> => {parent_tid=[7605]}, 88) = 7605 [pid 5055] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7603] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... umount2 resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5051] getdents64(4, [pid 5053] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7604] <... openat resumed>) = 3 [pid 7603] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 ./strace-static-x86_64: Process 7605 attached [pid 7604] write(3, "1000", 4 [pid 7603] <... futex resumed>) = 0 [pid 5051] rmdir("./141/file0") = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 5051] rmdir("./141" [pid 7605] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7603] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... rmdir resumed>) = 0 [pid 7605] <... rseq resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7605] set_robust_list(0x7f8728ba99a0, 24 [pid 7604] <... write resumed>) = 4 [pid 5056] newfstatat(AT_FDCWD, "./137/file0", [pid 7605] <... set_robust_list resumed>) = 0 [pid 7604] close(3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] mkdir("./142", 0777 [pid 7605] rt_sigprocmask(SIG_SETMASK, [], [pid 7604] <... close resumed>) = 0 [pid 5056] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... mkdir resumed>) = 0 [pid 7605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7604] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7605] memfd_create("syzkaller", 0 [pid 5056] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7605] <... memfd_create resumed>) = 3 [pid 7604] <... symlink resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 7605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7604] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] <... mmap resumed>) = 0x7f8720789000 [pid 7604] <... futex resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, [pid 5051] <... openat resumed>) = 3 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5056] getdents64(4, [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7604] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7604] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] close(4 [pid 5051] close(3 [pid 7604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] rmdir("./137/file0" [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7604] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] close(3) = 0 [pid 5056] rmdir("./137") = 0 ./strace-static-x86_64: Process 7606 attached [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7606 [pid 7606] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7606] chdir("./142") = 0 [pid 5056] mkdir("./138", 0777 [pid 7606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... mkdir resumed>) = 0 [pid 7606] <... prctl resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7606] setpgid(0, 0 [pid 7604] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... openat resumed>) = 3 [pid 7606] <... setpgid resumed>) = 0 [pid 7604] <... mprotect resumed>) = 0 [pid 7606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7607 attached [pid 7604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7608]}, 88) = 7608 [pid 7604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 7608 attached [pid 7604] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7607] set_robust_list(0x55555656d6a0, 24 [pid 7606] <... openat resumed>) = 3 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7607 [pid 7608] set_robust_list(0x7f8728ba99a0, 24 [pid 7607] <... set_robust_list resumed>) = 0 [pid 7606] write(3, "1000", 4 [pid 7604] <... futex resumed>) = 0 [pid 7608] <... set_robust_list resumed>) = 0 [pid 7608] rt_sigprocmask(SIG_SETMASK, [], [pid 7607] chdir("./138" [pid 7606] <... write resumed>) = 4 [pid 7605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7604] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7608] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7607] <... chdir resumed>) = 0 [pid 7607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7608] memfd_create("syzkaller", 0 [pid 7607] <... prctl resumed>) = 0 [pid 7608] <... memfd_create resumed>) = 3 [pid 7606] close(3 [pid 7607] setpgid(0, 0) = 0 [pid 7607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7606] <... close resumed>) = 0 [pid 7606] symlink("/dev/binderfs", "./binderfs" [pid 7608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7607] <... openat resumed>) = 3 [pid 7606] <... symlink resumed>) = 0 [pid 7608] <... mmap resumed>) = 0x7f8720789000 [pid 7607] write(3, "1000", 4 [pid 7606] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... write resumed>) = 4 [pid 7606] <... futex resumed>) = 0 [pid 7607] close(3 [pid 7606] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7607] <... close resumed>) = 0 [pid 7606] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7607] symlink("/dev/binderfs", "./binderfs" [pid 7606] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7606] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7607] <... symlink resumed>) = 0 [pid 7606] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7607] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7607] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7606] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 7607] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7606] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7607] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7606] <... clone3 resumed> => {parent_tid=[7609]}, 88) = 7609 [pid 7606] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7609 attached NULL, 8) = 0 [pid 7609] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7606] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... rseq resumed>) = 0 [pid 7607] <... mmap resumed>) = 0x7f8728b89000 [pid 7606] <... futex resumed>) = 0 [pid 7609] set_robust_list(0x7f8728ba99a0, 24 [pid 7607] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7606] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7609] <... set_robust_list resumed>) = 0 [pid 7607] <... mprotect resumed>) = 0 [pid 5055] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7609] memfd_create("syzkaller", 0) = 3 [pid 7609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7607] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] <... umount2 resumed>) = 0 [pid 7608] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7607] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7607] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] newfstatat(AT_FDCWD, "./135/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7607] <... clone3 resumed> => {parent_tid=[7610]}, 88) = 7610 [pid 5055] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7610 attached [pid 5053] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7607] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7610] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7610] <... rseq resumed>) = 0 [pid 7610] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] newfstatat(AT_FDCWD, "./137/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7607] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... openat resumed>) = 4 [pid 7607] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7610] <... set_robust_list resumed>) = 0 [pid 7607] <... futex resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 5053] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7610] rt_sigprocmask(SIG_SETMASK, [], [pid 7607] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... openat resumed>) = 4 [pid 7610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] newfstatat(4, "", [pid 7610] memfd_create("syzkaller", 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7610] <... memfd_create resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] getdents64(4, [pid 7610] <... mmap resumed>) = 0x7f8720789000 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 5053] getdents64(4, [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4 [pid 5053] close(4 [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./135/file0" [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./137/file0" [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5053] getdents64(3, [pid 5055] rmdir("./135") = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] mkdir("./136", 0777 [pid 5053] close(3) = 0 [pid 5053] rmdir("./137" [pid 5055] <... mkdir resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5053] mkdir("./138", 0777 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] <... mkdir resumed>) = 0 [pid 7609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 7605] <... write resumed>) = 4194304 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7611 [pid 5055] close(3./strace-static-x86_64: Process 7611 attached [pid 7605] munmap(0x7f8720789000, 138412032 [pid 5055] <... close resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7612 [pid 7605] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7612 attached [pid 7611] set_robust_list(0x55555656d6a0, 24 [pid 7612] set_robust_list(0x55555656d6a0, 24 [pid 7611] <... set_robust_list resumed>) = 0 [pid 7612] <... set_robust_list resumed>) = 0 [pid 7611] chdir("./138" [pid 7605] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7612] chdir("./136") = 0 [pid 7611] <... chdir resumed>) = 0 [pid 7605] <... openat resumed>) = 4 [pid 7605] ioctl(4, LOOP_SET_FD, 3 [pid 7611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7611] setpgid(0, 0 [pid 7612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7611] <... setpgid resumed>) = 0 [pid 7605] <... ioctl resumed>) = 0 [pid 7612] <... prctl resumed>) = 0 [pid 7610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7612] setpgid(0, 0 [pid 7611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7608] <... write resumed>) = 4194304 [pid 7605] close(3 [pid 7612] <... setpgid resumed>) = 0 [pid 7612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7605] <... close resumed>) = 0 [pid 7612] <... openat resumed>) = 3 [pid 7608] munmap(0x7f8720789000, 138412032 [pid 7605] mkdir("./file0", 0777 [pid 7612] write(3, "1000", 4) = 4 [pid 7605] <... mkdir resumed>) = 0 [pid 7612] close(3) = 0 [pid 7611] <... openat resumed>) = 3 [pid 7608] <... munmap resumed>) = 0 [pid 7605] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7612] symlink("/dev/binderfs", "./binderfs" [pid 7611] write(3, "1000", 4 [pid 7612] <... symlink resumed>) = 0 [pid 7611] <... write resumed>) = 4 [pid 7612] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7611] close(3 [pid 7612] <... futex resumed>) = 0 [pid 7612] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7611] <... close resumed>) = 0 [pid 7612] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7611] symlink("/dev/binderfs", "./binderfs" [pid 7612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7612] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7608] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7612] <... mprotect resumed>) = 0 [ 245.149049][ T7605] loop1: detected capacity change from 0 to 8192 [pid 7612] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7611] <... symlink resumed>) = 0 [pid 7608] <... openat resumed>) = 4 [pid 7612] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7608] ioctl(4, LOOP_SET_FD, 3 [pid 7612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7611] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7611] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7612] <... clone3 resumed> => {parent_tid=[7614]}, 88) = 7614 ./strace-static-x86_64: Process 7614 attached [pid 7612] rt_sigprocmask(SIG_SETMASK, [], [pid 7611] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7608] <... ioctl resumed>) = 0 [pid 7614] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7611] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7608] close(3) = 0 [pid 7611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7612] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] <... rseq resumed>) = 0 [pid 7611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7608] mkdir("./file0", 0777 [pid 7614] set_robust_list(0x7f8728ba99a0, 24 [pid 7612] <... futex resumed>) = 0 [ 245.197506][ T7605] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.210925][ T7608] loop3: detected capacity change from 0 to 8192 [ 245.228260][ T7605] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 7614] <... set_robust_list resumed>) = 0 [pid 7612] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7611] <... mmap resumed>) = 0x7f8728b89000 [pid 7608] <... mkdir resumed>) = 0 [pid 7614] rt_sigprocmask(SIG_SETMASK, [], [pid 7611] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7609] <... write resumed>) = 4194304 [pid 7608] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7611] <... mprotect resumed>) = 0 [pid 7611] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7614] memfd_create("syzkaller", 0 [pid 7610] <... write resumed>) = 4194304 [ 245.241841][ T7605] REISERFS (device loop1): using ordered data mode [ 245.248570][ T7605] reiserfs: using flush barriers [ 245.255697][ T7605] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.275145][ T7605] REISERFS (device loop1): checking transaction log (loop1) [ 245.279617][ T7608] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7610] munmap(0x7f8720789000, 138412032 [pid 7614] <... memfd_create resumed>) = 3 [pid 7611] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7609] munmap(0x7f8720789000, 138412032 [pid 7614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7611] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7610] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7616 attached [pid 7609] <... munmap resumed>) = 0 [pid 7605] <... mount resumed>) = 0 [pid 7605] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7611] <... clone3 resumed> => {parent_tid=[7616]}, 88) = 7616 [pid 7605] <... openat resumed>) = 3 [pid 7610] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7611] rt_sigprocmask(SIG_SETMASK, [], [pid 7605] chdir("./file0" [pid 7611] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7616] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7611] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7610] <... openat resumed>) = 4 [pid 7605] <... chdir resumed>) = 0 [pid 7616] <... rseq resumed>) = 0 [pid 7611] <... futex resumed>) = 0 [pid 7610] ioctl(4, LOOP_SET_FD, 3 [pid 7609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7605] ioctl(4, LOOP_CLR_FD [pid 7616] set_robust_list(0x7f8728ba99a0, 24 [pid 7611] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7616] <... set_robust_list resumed>) = 0 [pid 7609] <... openat resumed>) = 4 [pid 7605] <... ioctl resumed>) = 0 [pid 7610] <... ioctl resumed>) = 0 [ 245.284147][ T7605] REISERFS (device loop1): Using tea hash to sort names [ 245.303401][ T7605] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 245.314026][ T7608] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 245.329105][ T7610] loop5: detected capacity change from 0 to 8192 [ 245.336752][ T7608] REISERFS (device loop3): using ordered data mode [pid 7610] close(3 [pid 7616] rt_sigprocmask(SIG_SETMASK, [], [pid 7614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7610] <... close resumed>) = 0 [pid 7609] ioctl(4, LOOP_SET_FD, 3 [pid 7605] close(4 [pid 7616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7605] <... close resumed>) = 0 [pid 7610] mkdir("./file0", 0777 [pid 7605] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] memfd_create("syzkaller", 0 [pid 7605] <... futex resumed>) = 1 [pid 7603] <... futex resumed>) = 0 [pid 7603] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7603] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7610] <... mkdir resumed>) = 0 [pid 7610] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7605] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7616] <... memfd_create resumed>) = 3 [pid 7605] <... open resumed>) = 4 [pid 7616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7609] <... ioctl resumed>) = 0 [pid 7605] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] close(3 [pid 7616] <... mmap resumed>) = 0x7f8720789000 [pid 7605] <... futex resumed>) = 1 [pid 7603] <... futex resumed>) = 0 [pid 7603] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] ftruncate(4, 33587195 [pid 7603] <... futex resumed>) = 0 [pid 7603] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7605] <... ftruncate resumed>) = 0 [pid 7609] <... close resumed>) = 0 [ 245.343868][ T7608] reiserfs: using flush barriers [ 245.351511][ T7609] loop0: detected capacity change from 0 to 8192 [ 245.358781][ T7608] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.377796][ T7608] REISERFS (device loop3): checking transaction log (loop3) [ 245.403427][ T7610] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.432698][ T7610] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 245.442538][ T7610] REISERFS (device loop5): using ordered data mode [pid 7609] mkdir("./file0", 0777 [pid 7605] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7603] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7609] <... mkdir resumed>) = 0 [pid 7605] <... futex resumed>) = 0 [pid 7603] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7605] creat("./bus", 040 [pid 7603] <... futex resumed>) = 0 [pid 7605] <... creat resumed>) = 5 [pid 7603] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7605] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7605] <... futex resumed>) = 0 [pid 7603] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7605] mkdirat(AT_FDCWD, "./file0", 000 [pid 7603] <... futex resumed>) = 0 [pid 7605] <... mkdirat resumed>) = 0 [pid 7603] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 245.449050][ T7608] REISERFS (device loop3): Using tea hash to sort names [ 245.449658][ T7610] reiserfs: using flush barriers [ 245.468156][ T7610] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.485007][ T7609] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7605] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7614] <... write resumed>) = 4194304 [pid 7605] <... futex resumed>) = 1 [pid 7603] <... futex resumed>) = 0 [pid 7605] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7603] exit_group(0 [pid 7605] <... futex resumed>) = ? [pid 7603] <... exit_group resumed>) = ? [pid 7605] +++ exited with 0 +++ [pid 7603] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7603, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5052] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./139/binderfs") = 0 [pid 5052] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7614] munmap(0x7f8720789000, 138412032) = 0 [pid 7614] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7614] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7614] close(3) = 0 [pid 7614] mkdir("./file0", 0777) = 0 [pid 7608] <... mount resumed>) = 0 [ 245.491081][ T7608] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 245.523593][ T7614] loop4: detected capacity change from 0 to 8192 [ 245.535555][ T7609] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7614] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7608] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7608] chdir("./file0") = 0 [pid 7608] ioctl(4, LOOP_CLR_FD) = 0 [pid 7608] close(4) = 0 [pid 7608] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7604] <... futex resumed>) = 0 [pid 7608] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7604] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7608] <... futex resumed>) = 0 [pid 7604] <... futex resumed>) = 1 [pid 7608] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 245.549206][ T7614] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.558319][ T7610] REISERFS (device loop5): checking transaction log (loop5) [ 245.583723][ T7614] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 245.593066][ T7614] REISERFS (device loop4): using ordered data mode [pid 7604] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] <... write resumed>) = 4194304 [pid 7608] <... open resumed>) = 4 [pid 7616] munmap(0x7f8720789000, 138412032 [pid 7608] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... munmap resumed>) = 0 [pid 7608] <... futex resumed>) = 1 [pid 7604] <... futex resumed>) = 0 [pid 7616] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7608] ftruncate(4, 33587195 [pid 7604] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... openat resumed>) = 4 [pid 7604] <... futex resumed>) = 0 [pid 7604] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7608] <... ftruncate resumed>) = 0 [ 245.600902][ T7609] REISERFS (device loop0): using ordered data mode [ 245.606955][ T7614] reiserfs: using flush barriers [ 245.617745][ T7614] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.630506][ T7609] reiserfs: using flush barriers [ 245.643320][ T7610] REISERFS (device loop5): Using tea hash to sort names [pid 7608] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] ioctl(4, LOOP_SET_FD, 3 [pid 7608] <... futex resumed>) = 1 [pid 7604] <... futex resumed>) = 0 [pid 7616] <... ioctl resumed>) = 0 [pid 7608] creat("./bus", 040 [pid 7604] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7616] close(3 [pid 7604] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] <... close resumed>) = 0 [pid 7616] mkdir("./file0", 0777 [pid 7608] <... creat resumed>) = 5 [pid 7610] <... mount resumed>) = 0 [pid 7610] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7610] chdir("./file0") = 0 [pid 7610] ioctl(4, LOOP_CLR_FD) = 0 [pid 7616] <... mkdir resumed>) = 0 [pid 7610] close(4 [ 245.651057][ T7616] loop2: detected capacity change from 0 to 8192 [ 245.661897][ T7609] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.663571][ T7614] REISERFS (device loop4): checking transaction log (loop4) [ 245.685429][ T7610] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7608] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7610] <... close resumed>) = 0 [pid 7608] <... futex resumed>) = 1 [pid 7604] <... futex resumed>) = 0 [pid 7610] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7604] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... futex resumed>) = 0 [pid 7610] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7608] mkdirat(AT_FDCWD, "./file0", 000 [pid 5052] <... umount2 resumed>) = 0 [pid 7604] <... futex resumed>) = 0 [pid 7607] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7608] <... mkdirat resumed>) = 0 [pid 7607] <... futex resumed>) = 1 [pid 7604] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7608] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7610] <... futex resumed>) = 0 [pid 7607] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7610] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7608] <... futex resumed>) = 0 [pid 7604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7610] <... open resumed>) = 4 [pid 7610] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7610] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] newfstatat(AT_FDCWD, "./139/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 245.720105][ T7616] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 245.730539][ T7609] REISERFS (device loop0): checking transaction log (loop0) [ 245.737828][ T7616] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 245.751986][ T7616] REISERFS (device loop2): using ordered data mode [ 245.755399][ T7614] REISERFS (device loop4): Using tea hash to sort names [ 245.759085][ T7616] reiserfs: using flush barriers [pid 7608] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7604] exit_group(0 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./139/file0" [pid 7607] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7604] <... exit_group resumed>) = ? [pid 5052] <... rmdir resumed>) = 0 [pid 5052] getdents64(3, [pid 7610] <... futex resumed>) = 0 [pid 7608] <... futex resumed>) = ? [pid 7607] <... futex resumed>) = 1 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7610] ftruncate(4, 33587195 [pid 7607] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] close(3) = 0 [pid 5052] rmdir("./139" [pid 7608] +++ exited with 0 +++ [pid 7604] +++ exited with 0 +++ [pid 7610] <... ftruncate resumed>) = 0 [pid 7610] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7604, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7610] <... futex resumed>) = 1 [pid 7610] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7607] <... futex resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7607] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7607] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7610] <... futex resumed>) = 0 [pid 7609] <... mount resumed>) = 0 [pid 5054] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] mkdir("./140", 0777) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... openat resumed>) = 3 [pid 7610] creat("./bus", 040 [pid 7609] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... openat resumed>) = 3 [pid 7614] <... mount resumed>) = 0 [pid 7610] <... creat resumed>) = 5 [pid 7609] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7614] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7610] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] chdir("./file0" [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7610] <... futex resumed>) = 1 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7609] <... chdir resumed>) = 0 [pid 5052] close(3 [pid 7610] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] getdents64(3, [pid 7609] ioctl(4, LOOP_CLR_FD [pid 5052] <... close resumed>) = 0 [ 245.774117][ T7609] REISERFS (device loop0): Using tea hash to sort names [ 245.785267][ T7609] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 245.787590][ T7616] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 245.797194][ T7614] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7621 attached [pid 7614] <... openat resumed>) = 3 [pid 7609] <... ioctl resumed>) = 0 [pid 7607] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7614] chdir("./file0" [pid 7609] close(4 [pid 5054] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7614] <... chdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7614] ioctl(4, LOOP_CLR_FD [pid 5054] newfstatat(AT_FDCWD, "./135/binderfs", [pid 7621] set_robust_list(0x55555656d6a0, 24 [pid 7614] <... ioctl resumed>) = 0 [pid 7609] <... close resumed>) = 0 [pid 7607] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7621 [pid 7621] <... set_robust_list resumed>) = 0 [pid 7614] close(4 [pid 7610] <... futex resumed>) = 0 [pid 7609] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] <... futex resumed>) = 1 [pid 5054] unlink("./135/binderfs" [pid 7621] chdir("./140" [pid 7614] <... close resumed>) = 0 [pid 7610] mkdirat(AT_FDCWD, "./file0", 000 [pid 7621] <... chdir resumed>) = 0 [pid 7614] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7607] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... unlink resumed>) = 0 [pid 7621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7614] <... futex resumed>) = 1 [pid 7610] <... mkdirat resumed>) = 0 [pid 5054] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7614] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7610] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... prctl resumed>) = 0 [pid 7612] <... futex resumed>) = 0 [pid 7610] <... futex resumed>) = 1 [pid 7607] <... futex resumed>) = 0 [pid 7621] setpgid(0, 0 [pid 7612] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7610] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7607] exit_group(0 [pid 7621] <... setpgid resumed>) = 0 [pid 7614] <... futex resumed>) = 0 [pid 7612] <... futex resumed>) = 1 [pid 7610] <... futex resumed>) = ? [pid 7607] <... exit_group resumed>) = ? [pid 7621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7614] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7612] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7610] +++ exited with 0 +++ [pid 7607] +++ exited with 0 +++ [pid 7621] <... openat resumed>) = 3 [pid 7609] <... futex resumed>) = 1 [pid 7621] write(3, "1000", 4 [pid 7609] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] <... futex resumed>) = 0 [pid 7614] <... open resumed>) = 4 [pid 7621] <... write resumed>) = 4 [pid 7614] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7606] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] close(3 [pid 7614] <... futex resumed>) = 1 [pid 7612] <... futex resumed>) = 0 [pid 7609] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7606] <... futex resumed>) = 0 [pid 7614] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] <... close resumed>) = 0 [pid 7612] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] <... open resumed>) = 4 [pid 7606] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7621] symlink("/dev/binderfs", "./binderfs" [pid 7616] <... mount resumed>) = 0 [pid 7614] <... futex resumed>) = 0 [pid 7612] <... futex resumed>) = 1 [pid 7609] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... symlink resumed>) = 0 [pid 7612] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] <... futex resumed>) = 1 [pid 7606] <... futex resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7607, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7621] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] ftruncate(4, 33587195 [pid 7621] <... futex resumed>) = 0 [pid 7616] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7606] <... futex resumed>) = 0 [pid 7621] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7616] <... openat resumed>) = 3 [pid 7609] ftruncate(4, 33587195 [pid 7606] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7621] <... rt_sigaction resumed>NULL, 8) = 0 [ 245.830257][ T7616] REISERFS (device loop2): checking transaction log (loop2) [ 245.839379][ T7616] REISERFS (device loop2): Using tea hash to sort names [ 245.854747][ T7616] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7614] <... ftruncate resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7621] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7616] chdir("./file0" [pid 7609] <... ftruncate resumed>) = 0 [pid 7614] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... chdir resumed>) = 0 [pid 7616] ioctl(4, LOOP_CLR_FD [pid 7614] <... futex resumed>) = 1 [pid 7609] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... ioctl resumed>) = 0 [pid 7614] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7612] <... futex resumed>) = 0 [pid 7609] <... futex resumed>) = 1 [pid 7606] <... futex resumed>) = 0 [pid 7621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7616] close(4 [pid 7612] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7606] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7621] <... mmap resumed>) = 0x7f8728b89000 [pid 7616] <... close resumed>) = 0 [pid 7614] <... futex resumed>) = 0 [pid 7612] <... futex resumed>) = 1 [pid 7609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7621] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7612] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7606] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 7621] <... mprotect resumed>) = 0 [pid 7606] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] newfstatat(3, "", [pid 7621] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7621] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] getdents64(3, [pid 7621] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7621] <... clone3 resumed> => {parent_tid=[7622]}, 88) = 7622 [pid 7616] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] creat("./bus", 040 [pid 7609] creat("./bus", 040 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7616] <... futex resumed>) = 1 [pid 7611] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7622 attached [pid 7621] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] newfstatat(AT_FDCWD, "./138/binderfs", [pid 7622] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7622] <... rseq resumed>) = 0 [pid 7621] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] unlink("./138/binderfs" [pid 7622] set_robust_list(0x7f8728ba99a0, 24 [pid 7621] <... futex resumed>) = 0 [pid 7616] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7614] <... creat resumed>) = 5 [pid 7611] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 7622] <... set_robust_list resumed>) = 0 [pid 7621] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7611] <... futex resumed>) = 0 [pid 7609] <... creat resumed>) = 5 [pid 5056] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7616] <... open resumed>) = 4 [pid 7611] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] rt_sigprocmask(SIG_SETMASK, [], [pid 7616] <... futex resumed>) = 0 [pid 7611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7616] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7611] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7611] <... futex resumed>) = 0 [pid 7611] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] ftruncate(4, 33587195 [pid 7622] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7622] memfd_create("syzkaller", 0) = 3 [pid 7622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7616] <... ftruncate resumed>) = 0 [pid 7614] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7622] <... mmap resumed>) = 0x7f8720789000 [pid 7614] <... futex resumed>) = 1 [pid 7612] <... futex resumed>) = 0 [pid 7609] <... futex resumed>) = 1 [pid 7606] <... futex resumed>) = 0 [pid 7612] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7609] mkdirat(AT_FDCWD, "./file0", 000 [pid 7606] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7614] mkdirat(AT_FDCWD, "./file0", 000 [pid 7612] <... futex resumed>) = 0 [pid 7616] <... futex resumed>) = 1 [pid 7614] <... mkdirat resumed>) = 0 [pid 7612] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7611] <... futex resumed>) = 0 [pid 7606] <... futex resumed>) = 0 [pid 7616] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7614] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7609] <... mkdirat resumed>) = 0 [pid 7612] exit_group(0 [pid 7611] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7606] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7614] <... futex resumed>) = ? [pid 7612] <... exit_group resumed>) = ? [pid 7611] <... futex resumed>) = 0 [pid 7609] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] creat("./bus", 040 [pid 7614] +++ exited with 0 +++ [pid 7612] +++ exited with 0 +++ [pid 7611] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7609] <... futex resumed>) = 1 [pid 7606] <... futex resumed>) = 0 [pid 7606] exit_group(0 [pid 7616] <... creat resumed>) = 5 [pid 7606] <... exit_group resumed>) = ? [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7612, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 7609] +++ exited with 0 +++ [pid 7606] +++ exited with 0 +++ [pid 5054] <... umount2 resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7606, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7616] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... restart_syscall resumed>) = 0 [pid 7616] <... futex resumed>) = 1 [pid 7611] <... futex resumed>) = 0 [pid 5051] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7616] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7611] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7611] <... futex resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7616] mkdirat(AT_FDCWD, "./file0", 000 [pid 7611] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... openat resumed>) = 3 [pid 7616] <... mkdirat resumed>) = 0 [pid 5055] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(3, "", [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7616] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(3, [pid 5055] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7616] <... futex resumed>) = 1 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7616] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7611] <... futex resumed>) = 0 [pid 5055] getdents64(3, [pid 5054] newfstatat(AT_FDCWD, "./135/file0", [pid 7611] exit_group(0 [pid 5051] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7616] <... futex resumed>) = ? [pid 7611] <... exit_group resumed>) = ? [pid 7616] +++ exited with 0 +++ [pid 7611] +++ exited with 0 +++ [pid 5055] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7611, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5051] newfstatat(AT_FDCWD, "./142/binderfs", [pid 5055] newfstatat(AT_FDCWD, "./136/binderfs", [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./142/binderfs" [pid 5055] unlink("./136/binderfs") = 0 [pid 5053] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... unlink resumed>) = 0 [pid 5055] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... openat resumed>) = 4 [pid 5053] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./135/file0") = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] newfstatat(AT_FDCWD, "./138/binderfs", [pid 5054] close(3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] unlink("./138/binderfs" [pid 5054] rmdir("./135" [pid 5053] <... unlink resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./136", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7623 ./strace-static-x86_64: Process 7623 attached [pid 7623] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... umount2 resumed>) = 0 [pid 7623] <... set_robust_list resumed>) = 0 [pid 5056] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7623] chdir("./136" [pid 5056] newfstatat(AT_FDCWD, "./138/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7623] <... chdir resumed>) = 0 [pid 7623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7623] <... prctl resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7623] setpgid(0, 0 [pid 5056] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7623] <... setpgid resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 7623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7623] <... openat resumed>) = 3 [pid 5056] getdents64(4, [pid 7623] write(3, "1000", 4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, [pid 7623] <... write resumed>) = 4 [pid 7623] close(3 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7623] <... close resumed>) = 0 [pid 5056] close(4 [pid 7623] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... close resumed>) = 0 [pid 7623] <... symlink resumed>) = 0 [pid 5056] rmdir("./138/file0" [pid 7623] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 7623] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 7623] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7623] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7623] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] close(3 [pid 7623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5056] rmdir("./138" [pid 7623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7623] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7623] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] mkdir("./139", 0777 [pid 5055] newfstatat(AT_FDCWD, "./136/file0", [pid 7623] <... mprotect resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7623] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... mkdir resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7623] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7623] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7624 attached [pid 7623] <... clone3 resumed> => {parent_tid=[7624]}, 88) = 7624 [pid 5056] <... openat resumed>) = 3 [pid 5055] newfstatat(4, "", [pid 7624] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7623] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7624] <... rseq resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] getdents64(4, [pid 7624] set_robust_list(0x7f8728ba99a0, 24 [pid 7623] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] close(3 [pid 7623] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7624] <... set_robust_list resumed>) = 0 [pid 7623] <... futex resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] getdents64(4, [pid 7624] rt_sigprocmask(SIG_SETMASK, [], [pid 7623] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7624] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7625 attached [pid 7624] memfd_create("syzkaller", 0 [pid 7622] <... write resumed>) = 4194304 [pid 5055] close(4 [pid 5051] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... close resumed>) = 0 [pid 7624] <... memfd_create resumed>) = 3 [pid 7624] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] rmdir("./136/file0" [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7625 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7624] <... mmap resumed>) = 0x7f8720789000 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] close(3 [pid 5051] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7625] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... close resumed>) = 0 [pid 7625] <... set_robust_list resumed>) = 0 [pid 7622] munmap(0x7f8720789000, 138412032 [pid 5055] rmdir("./136" [pid 5051] <... openat resumed>) = 4 [pid 5055] <... rmdir resumed>) = 0 [pid 7625] chdir("./139" [pid 5051] newfstatat(4, "", [pid 5055] mkdir("./137", 0777 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, [pid 7622] <... munmap resumed>) = 0 [pid 7625] <... chdir resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7622] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5051] getdents64(4, [pid 7625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5051] close(4 [pid 7625] setpgid(0, 0) = 0 [pid 7622] <... openat resumed>) = 4 [pid 5051] <... close resumed>) = 0 [pid 7625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5051] rmdir("./142/file0" [pid 7625] <... openat resumed>) = 3 [pid 7624] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7622] ioctl(4, LOOP_SET_FD, 3 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... rmdir resumed>) = 0 [pid 7625] write(3, "1000", 4 [pid 5055] close(3 [pid 5051] getdents64(3, [pid 7625] <... write resumed>) = 4 [pid 5055] <... close resumed>) = 0 [pid 7625] close(3 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 7625] <... close resumed>) = 0 [pid 5051] rmdir("./142" [pid 7625] symlink("/dev/binderfs", "./binderfs" [pid 5051] <... rmdir resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7626 ./strace-static-x86_64: Process 7626 attached [pid 7626] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7626] chdir("./137") = 0 [pid 7626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7626] setpgid(0, 0) = 0 [pid 7626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7626] write(3, "1000", 4) = 4 [pid 7626] close(3) = 0 [pid 7625] <... symlink resumed>) = 0 [pid 7626] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7625] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] mkdir("./143", 0777 [pid 7626] <... futex resumed>) = 0 [pid 7626] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7626] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7627 attached => {parent_tid=[7627]}, 88) = 7627 [pid 7627] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7626] rt_sigprocmask(SIG_SETMASK, [], [pid 7627] <... rseq resumed>) = 0 [pid 7626] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7625] <... futex resumed>) = 0 [pid 7622] <... ioctl resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 7627] set_robust_list(0x7f8728ba99a0, 24 [pid 7626] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7622] close(3 [pid 5053] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7627] <... set_robust_list resumed>) = 0 [pid 7626] <... futex resumed>) = 0 [pid 7625] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7622] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... openat resumed>) = 3 [pid 7627] rt_sigprocmask(SIG_SETMASK, [], [pid 7626] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7622] mkdir("./file0", 0777 [pid 5053] newfstatat(AT_FDCWD, "./138/file0", [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7627] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7622] <... mkdir resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7627] memfd_create("syzkaller", 0 [pid 7625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 246.274679][ T7622] loop1: detected capacity change from 0 to 8192 [pid 7622] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] close(3 [pid 7627] <... memfd_create resumed>) = 3 [pid 7625] <... mmap resumed>) = 0x7f8728b89000 [pid 7624] <... write resumed>) = 4194304 [pid 7627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7624] munmap(0x7f8720789000, 138412032 [pid 7627] <... mmap resumed>) = 0x7f8720789000 [pid 7625] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7624] <... munmap resumed>) = 0 [pid 5053] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = 0 [pid 7624] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7624] ioctl(4, LOOP_SET_FD, 3 [pid 7625] <... mprotect resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7625] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7625] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] <... openat resumed>) = 4 [pid 7625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 246.330831][ T7622] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.353736][ T7622] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 246.355183][ T7624] loop3: detected capacity change from 0 to 8192 [ 246.364306][ T7622] REISERFS (device loop1): using ordered data mode [pid 7625] <... clone3 resumed> => {parent_tid=[7629]}, 88) = 7629 [pid 5053] getdents64(4, [pid 7625] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7625] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] getdents64(4, [pid 7625] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7625] <... futex resumed>) = 0 [pid 5053] close(4 [pid 7625] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./138/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3./strace-static-x86_64: Process 7629 attached ) = 0 [pid 7629] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] rmdir("./138" [pid 7629] <... rseq resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7630 [pid 7629] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] mkdir("./139", 0777 [pid 7629] <... set_robust_list resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 7629] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7629] memfd_create("syzkaller", 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7629] <... memfd_create resumed>) = 3 [pid 7629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7629] <... mmap resumed>) = 0x7f8720789000 [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7630 attached [pid 7624] <... ioctl resumed>) = 0 [pid 7622] <... mount resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7631 [pid 7630] set_robust_list(0x55555656d6a0, 24 [pid 7624] close(3 [pid 7622] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7630] <... set_robust_list resumed>) = 0 [pid 7624] <... close resumed>) = 0 [pid 7622] <... openat resumed>) = 3 [pid 7630] chdir("./143" [pid 7624] mkdir("./file0", 0777 [pid 7622] chdir("./file0" [pid 7630] <... chdir resumed>) = 0 [pid 7622] <... chdir resumed>) = 0 [pid 7622] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 7631 attached [pid 7630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7624] <... mkdir resumed>) = 0 [pid 7622] <... ioctl resumed>) = 0 [pid 7631] set_robust_list(0x55555656d6a0, 24 [pid 7630] <... prctl resumed>) = 0 [pid 7622] close(4 [pid 7631] <... set_robust_list resumed>) = 0 [pid 7630] setpgid(0, 0 [pid 7622] <... close resumed>) = 0 [pid 7631] chdir("./139" [pid 7630] <... setpgid resumed>) = 0 [pid 7622] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... chdir resumed>) = 0 [pid 7630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7624] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7630] <... openat resumed>) = 3 [pid 7629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7631] <... prctl resumed>) = 0 [pid 7630] write(3, "1000", 4 [pid 7622] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] setpgid(0, 0 [pid 7630] <... write resumed>) = 4 [pid 7621] <... futex resumed>) = 0 [pid 7631] <... setpgid resumed>) = 0 [pid 7630] close(3 [pid 7621] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7630] <... close resumed>) = 0 [pid 7631] <... openat resumed>) = 3 [ 246.380004][ T7622] reiserfs: using flush barriers [ 246.387205][ T7622] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.404399][ T7622] REISERFS (device loop1): checking transaction log (loop1) [ 246.412881][ T7622] REISERFS (device loop1): Using tea hash to sort names [ 246.420738][ T7622] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7630] symlink("/dev/binderfs", "./binderfs" [pid 7631] write(3, "1000", 4 [pid 7630] <... symlink resumed>) = 0 [pid 7631] <... write resumed>) = 4 [pid 7630] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] close(3 [pid 7630] <... futex resumed>) = 0 [pid 7631] <... close resumed>) = 0 [pid 7630] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7631] symlink("/dev/binderfs", "./binderfs" [pid 7630] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7631] <... symlink resumed>) = 0 [pid 7630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7631] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7622] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7631] <... futex resumed>) = 0 [pid 7630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7631] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7630] <... mmap resumed>) = 0x7f8728b89000 [pid 7622] <... open resumed>) = 4 [pid 7631] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7630] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7622] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7630] <... mprotect resumed>) = 0 [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7622] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7621] <... futex resumed>) = 0 [pid 7622] ftruncate(4, 33587195 [pid 7621] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7631] <... mmap resumed>) = 0x7f8728b89000 [pid 7630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7622] <... ftruncate resumed>) = 0 [pid 7622] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7633 attached [pid 7622] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... mprotect resumed>) = 0 [pid 7630] <... clone3 resumed> => {parent_tid=[7633]}, 88) = 7633 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7621] <... futex resumed>) = 0 [pid 7631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7630] rt_sigprocmask(SIG_SETMASK, [], [pid 7622] creat("./bus", 040 [pid 7621] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7630] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7631] <... clone3 resumed> => {parent_tid=[7634]}, 88) = 7634 [pid 7630] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7622] <... creat resumed>) = 5 [pid 7631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7633] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [ 246.478475][ T7624] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7631] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] <... rseq resumed>) = 0 [pid 7631] <... futex resumed>) = 0 [pid 7633] set_robust_list(0x7f8728ba99a0, 24 [pid 7631] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7633] <... set_robust_list resumed>) = 0 [pid 7633] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7634 attached NULL, 8) = 0 [pid 7622] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7633] memfd_create("syzkaller", 0 [pid 7627] <... write resumed>) = 4194304 [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7634] <... rseq resumed>) = 0 [pid 7633] <... memfd_create resumed>) = 3 [pid 7622] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] set_robust_list(0x7f8728ba99a0, 24 [pid 7633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7621] <... futex resumed>) = 0 [pid 7634] <... set_robust_list resumed>) = 0 [pid 7633] <... mmap resumed>) = 0x7f8720789000 [pid 7622] mkdirat(AT_FDCWD, "./file0", 000 [pid 7621] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7627] munmap(0x7f8720789000, 138412032 [pid 7622] <... mkdirat resumed>) = 0 [pid 7634] memfd_create("syzkaller", 0) = 3 [ 246.536208][ T7624] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 246.546173][ T7624] REISERFS (device loop3): using ordered data mode [ 246.552719][ T7624] reiserfs: using flush barriers [ 246.563329][ T7624] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.565096][ T7627] loop4: detected capacity change from 0 to 8192 [pid 7634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7629] <... write resumed>) = 4194304 [pid 7627] <... munmap resumed>) = 0 [pid 7622] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7622] <... futex resumed>) = 1 [pid 7621] <... futex resumed>) = 0 [pid 7627] <... openat resumed>) = 4 [pid 7622] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7621] exit_group(0 [pid 7627] ioctl(4, LOOP_SET_FD, 3 [pid 7621] <... exit_group resumed>) = ? [pid 7622] <... futex resumed>) = ? [pid 7622] +++ exited with 0 +++ [pid 7621] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7621, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5052] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7629] munmap(0x7f8720789000, 138412032 [pid 5052] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7629] <... munmap resumed>) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./140/binderfs") = 0 [pid 5052] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7629] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 246.580594][ T7624] REISERFS (device loop3): checking transaction log (loop3) [ 246.618065][ T7624] REISERFS (device loop3): Using tea hash to sort names [pid 7629] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7634] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7627] <... ioctl resumed>) = 0 [pid 7629] close(3 [pid 7627] close(3 [pid 5052] <... umount2 resumed>) = 0 [pid 7629] <... close resumed>) = 0 [pid 7627] <... close resumed>) = 0 [pid 5052] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7629] mkdir("./file0", 0777 [pid 7627] mkdir("./file0", 0777 [pid 7624] <... mount resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7627] <... mkdir resumed>) = 0 [pid 7624] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5052] newfstatat(AT_FDCWD, "./140/file0", [pid 7624] <... openat resumed>) = 3 [pid 7629] <... mkdir resumed>) = 0 [pid 7627] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7624] chdir("./file0" [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7629] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7624] <... chdir resumed>) = 0 [pid 7624] ioctl(4, LOOP_CLR_FD) = 0 [ 246.636052][ T7629] loop5: detected capacity change from 0 to 8192 [ 246.656793][ T7624] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7624] close(4 [pid 5052] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7624] <... close resumed>) = 0 [pid 7624] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7623] <... futex resumed>) = 0 [pid 7624] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7623] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7624] <... open resumed>) = 4 [pid 7623] <... futex resumed>) = 0 [pid 7624] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7623] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7624] <... futex resumed>) = 0 [pid 7623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7624] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7623] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7624] ftruncate(4, 33587195 [pid 7623] <... futex resumed>) = 0 [pid 7623] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7624] <... ftruncate resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 7624] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(4, "", [pid 7624] <... futex resumed>) = 1 [pid 7624] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7623] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, [pid 7623] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, [pid 7624] <... futex resumed>) = 0 [pid 7623] <... futex resumed>) = 1 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4 [pid 7624] creat("./bus", 040 [pid 5052] <... close resumed>) = 0 [ 246.704427][ T7629] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.718749][ T7627] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5052] rmdir("./140/file0" [pid 7624] <... creat resumed>) = 5 [pid 7623] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... rmdir resumed>) = 0 [pid 7624] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7623] <... futex resumed>) = 0 [pid 5052] getdents64(3, [pid 7624] mkdirat(AT_FDCWD, "./file0", 000 [pid 7623] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7624] <... mkdirat resumed>) = 0 [pid 7623] <... futex resumed>) = 0 [pid 7624] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7623] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7624] <... futex resumed>) = 0 [pid 7623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7624] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7623] exit_group(0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [ 246.760105][ T7627] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 246.769537][ T7627] REISERFS (device loop4): using ordered data mode [ 246.776533][ T7627] reiserfs: using flush barriers [ 246.783241][ T7627] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.786433][ T7629] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 7624] <... futex resumed>) = ? [pid 7623] <... exit_group resumed>) = ? [pid 5052] close(3 [pid 7634] <... write resumed>) = 4194304 [pid 5052] <... close resumed>) = 0 [pid 7634] munmap(0x7f8720789000, 138412032 [pid 7624] +++ exited with 0 +++ [pid 7623] +++ exited with 0 +++ [pid 5052] rmdir("./140") = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7623, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5052] mkdir("./141", 0777 [pid 7634] <... munmap resumed>) = 0 [pid 7634] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] <... mkdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 7634] <... openat resumed>) = 4 [pid 5054] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7634] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] close(3 [pid 7633] <... write resumed>) = 4194304 [pid 5054] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = 0 [pid 7633] munmap(0x7f8720789000, 138412032 [ 246.809939][ T7627] REISERFS (device loop4): checking transaction log (loop4) [ 246.819239][ T7627] REISERFS (device loop4): Using tea hash to sort names [ 246.830588][ T7629] REISERFS (device loop5): using ordered data mode [ 246.839064][ T7634] loop2: detected capacity change from 0 to 8192 [ 246.846670][ T7627] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 246.855875][ T7629] reiserfs: using flush barriers [pid 5054] newfstatat(3, "", [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7634] <... ioctl resumed>) = 0 [pid 7633] <... munmap resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 7637 attached [pid 7634] close(3 [pid 5054] getdents64(3, [pid 7637] set_robust_list(0x55555656d6a0, 24 [pid 7634] <... close resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7637 [pid 7637] <... set_robust_list resumed>) = 0 [pid 7634] mkdir("./file0", 0777 [pid 7633] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7633] <... openat resumed>) = 4 [pid 7633] ioctl(4, LOOP_SET_FD, 3 [pid 7637] chdir("./141" [pid 7634] <... mkdir resumed>) = 0 [pid 7627] <... mount resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./136/binderfs", [pid 7637] <... chdir resumed>) = 0 [pid 7634] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7627] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7637] setpgid(0, 0 [pid 7627] <... openat resumed>) = 3 [pid 5054] unlink("./136/binderfs" [pid 7637] <... setpgid resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 7637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7627] chdir("./file0" [pid 5054] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7637] <... openat resumed>) = 3 [pid 7627] <... chdir resumed>) = 0 [pid 7627] ioctl(4, LOOP_CLR_FD) = 0 [ 246.865772][ T7629] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 246.870656][ T7633] loop0: detected capacity change from 0 to 8192 [ 246.885284][ T7629] REISERFS (device loop5): checking transaction log (loop5) [pid 7627] close(4 [pid 7637] write(3, "1000", 4 [pid 7627] <... close resumed>) = 0 [pid 7637] <... write resumed>) = 4 [pid 7627] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] <... ioctl resumed>) = 0 [pid 7637] close(3 [pid 7627] <... futex resumed>) = 1 [pid 7626] <... futex resumed>) = 0 [pid 7637] <... close resumed>) = 0 [pid 7633] close(3 [pid 7627] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] symlink("/dev/binderfs", "./binderfs" [pid 7633] <... close resumed>) = 0 [pid 7637] <... symlink resumed>) = 0 [pid 7633] mkdir("./file0", 0777 [pid 7637] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] <... mkdir resumed>) = 0 [pid 7626] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7637] <... futex resumed>) = 0 [pid 7633] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7637] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7627] <... futex resumed>) = 0 [pid 7626] <... futex resumed>) = 1 [pid 7637] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7627] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7626] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7637] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7627] <... open resumed>) = 4 [pid 7637] <... mprotect resumed>) = 0 [pid 7637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7640]}, 88) = 7640 [pid 7637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7637] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 246.918192][ T7634] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.931781][ T7629] REISERFS (device loop5): Using tea hash to sort names [pid 7637] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7627] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7640 attached ) = 1 [pid 7626] <... futex resumed>) = 0 [pid 7640] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7627] ftruncate(4, 33587195 [pid 7626] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7629] <... mount resumed>) = 0 [pid 7626] <... futex resumed>) = 0 [pid 7629] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7627] <... ftruncate resumed>) = 0 [pid 7626] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7627] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7627] <... futex resumed>) = 0 [pid 7626] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7627] creat("./bus", 040 [pid 7626] <... futex resumed>) = 0 [pid 7640] <... rseq resumed>) = 0 [pid 7626] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7640] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7640] rt_sigprocmask(SIG_SETMASK, [], [pid 7629] <... openat resumed>) = 3 [pid 7627] <... creat resumed>) = 5 [pid 7640] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7629] chdir("./file0" [pid 7627] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] memfd_create("syzkaller", 0 [pid 7629] <... chdir resumed>) = 0 [pid 7627] <... futex resumed>) = 1 [pid 7626] <... futex resumed>) = 0 [pid 7640] <... memfd_create resumed>) = 3 [pid 7627] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7626] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7629] ioctl(4, LOOP_CLR_FD [pid 7627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7626] <... futex resumed>) = 0 [pid 7640] <... mmap resumed>) = 0x7f8720789000 [pid 7629] <... ioctl resumed>) = 0 [pid 7627] mkdirat(AT_FDCWD, "./file0", 000 [pid 7626] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7627] <... mkdirat resumed>) = 0 [ 246.956035][ T7633] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 246.974064][ T7629] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 246.999900][ T7633] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7627] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7629] close(4 [pid 7627] <... futex resumed>) = 1 [pid 7629] <... close resumed>) = 0 [pid 7627] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7629] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7625] <... futex resumed>) = 0 [pid 7629] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 247.018055][ T7634] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 247.027780][ T7634] REISERFS (device loop2): using ordered data mode [ 247.034715][ T7634] reiserfs: using flush barriers [pid 7625] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7629] <... open resumed>) = 4 [pid 7626] <... futex resumed>) = 0 [pid 7625] <... futex resumed>) = 0 [pid 7626] exit_group(0 [pid 7625] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7626] <... exit_group resumed>) = ? [pid 7627] <... futex resumed>) = ? [pid 7627] +++ exited with 0 +++ [pid 7629] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7625] <... futex resumed>) = 0 [pid 7629] ftruncate(4, 33587195 [pid 7625] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7626] +++ exited with 0 +++ [pid 7629] <... ftruncate resumed>) = 0 [pid 7625] <... futex resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7626, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7625] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = 0 [pid 5055] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7629] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7629] <... futex resumed>) = 1 [pid 7625] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7625] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 7625] <... futex resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 7625] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, [pid 7629] creat("./bus", 040 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7629] <... creat resumed>) = 5 [pid 5055] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 247.058480][ T7634] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.058549][ T7633] REISERFS (device loop0): using ordered data mode [ 247.104104][ T7633] reiserfs: using flush barriers [pid 7629] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7629] <... futex resumed>) = 1 [pid 7625] <... futex resumed>) = 0 [pid 5055] unlink("./137/binderfs" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7629] mkdirat(AT_FDCWD, "./file0", 000 [pid 7625] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... unlink resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./136/file0", [pid 7629] <... mkdirat resumed>) = 0 [pid 7625] <... futex resumed>) = 0 [pid 5055] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7629] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7625] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7629] <... futex resumed>) = 0 [pid 7625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7629] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7625] exit_group(0 [pid 7629] <... futex resumed>) = ? [pid 7625] <... exit_group resumed>) = ? [pid 5054] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7629] +++ exited with 0 +++ [pid 7625] +++ exited with 0 +++ [pid 5054] <... openat resumed>) = 4 [pid 5054] newfstatat(4, "", [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7625, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 5054] getdents64(4, [pid 5056] <... restart_syscall resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] close(4 [pid 7640] <... write resumed>) = 4194304 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... close resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] rmdir("./136/file0" [pid 5056] <... openat resumed>) = 3 [pid 5054] <... rmdir resumed>) = 0 [pid 5056] newfstatat(3, "", [ 247.113803][ T7633] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.154310][ T7634] REISERFS (device loop2): checking transaction log (loop2) [ 247.162389][ T7633] REISERFS (device loop0): checking transaction log (loop0) [pid 5054] getdents64(3, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] getdents64(3, [pid 5054] close(3 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... close resumed>) = 0 [pid 5056] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] rmdir("./136" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... rmdir resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./139/binderfs", [pid 5054] mkdir("./137", 0777 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5056] unlink("./139/binderfs" [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5056] <... unlink resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5056] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7640] munmap(0x7f8720789000, 138412032 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 7640] <... munmap resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 7640] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7640] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7641 attached [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7641 [pid 7641] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7641] chdir("./137") = 0 [pid 7641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 247.189973][ T7633] REISERFS (device loop0): Using tea hash to sort names [ 247.199042][ T7634] REISERFS (device loop2): Using tea hash to sort names [ 247.210157][ T7640] loop1: detected capacity change from 0 to 8192 [ 247.229366][ T7633] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7641] setpgid(0, 0) = 0 [pid 7640] <... ioctl resumed>) = 0 [pid 7640] close(3) = 0 [pid 7640] mkdir("./file0", 0777 [pid 7641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7640] <... mkdir resumed>) = 0 [pid 7640] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7641] <... openat resumed>) = 3 [pid 7641] write(3, "1000", 4) = 4 [pid 5055] <... umount2 resumed>) = 0 [pid 7633] <... mount resumed>) = 0 [pid 5055] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7634] <... mount resumed>) = 0 [pid 7633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 247.246717][ T7634] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 247.269772][ T7640] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7641] close(3) = 0 [pid 7641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7641] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7633] <... openat resumed>) = 3 [pid 5055] newfstatat(AT_FDCWD, "./137/file0", [pid 7641] <... futex resumed>) = 0 [pid 7641] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7641] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7634] <... openat resumed>) = 3 [pid 7633] chdir("./file0" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7634] chdir("./file0" [pid 7633] <... chdir resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 7634] <... chdir resumed>) = 0 [pid 7633] ioctl(4, LOOP_CLR_FD [pid 7634] ioctl(4, LOOP_CLR_FD [pid 7633] <... ioctl resumed>) = 0 [pid 7634] <... ioctl resumed>) = 0 [pid 7633] close(4 [pid 7634] close(4 [pid 7633] <... close resumed>) = 0 [pid 7634] <... close resumed>) = 0 [pid 7633] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7633] <... futex resumed>) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7634] <... futex resumed>) = 1 [pid 7633] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] <... futex resumed>) = 0 [pid 7630] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7631] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... futex resumed>) = 0 [pid 7634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7633] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7631] <... futex resumed>) = 0 [pid 7630] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7641] <... mprotect resumed>) = 0 [pid 7634] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7633] <... open resumed>) = 4 [pid 7631] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7634] <... open resumed>) = 4 [pid 7634] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7634] <... futex resumed>) = 1 [pid 7633] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7631] <... futex resumed>) = 0 [pid 7634] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7633] <... futex resumed>) = 1 [pid 7631] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7630] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./139/file0", [pid 7634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7633] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] <... futex resumed>) = 0 [pid 7630] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7634] ftruncate(4, 33587195 [pid 7633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7631] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7630] <... futex resumed>) = 0 [pid 5056] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7634] <... ftruncate resumed>) = 0 [pid 7633] ftruncate(4, 33587195 [pid 7630] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7643 attached [pid 5056] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7643] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7641] <... clone3 resumed> => {parent_tid=[7643]}, 88) = 7643 [pid 5056] <... openat resumed>) = 4 [pid 5055] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] newfstatat(4, "", [pid 5055] <... openat resumed>) = 4 [pid 7643] <... rseq resumed>) = 0 [pid 7641] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] newfstatat(4, "", [pid 7634] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7643] set_robust_list(0x7f8728ba99a0, 24 [pid 7641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7634] <... futex resumed>) = 1 [pid 7631] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 7643] <... set_robust_list resumed>) = 0 [pid 7641] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7634] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7643] rt_sigprocmask(SIG_SETMASK, [], [pid 7641] <... futex resumed>) = 0 [pid 7634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7631] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] getdents64(4, [pid 7643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7634] creat("./bus", 040 [pid 7633] <... ftruncate resumed>) = 0 [pid 7641] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7631] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] close(4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7643] memfd_create("syzkaller", 0 [pid 7634] <... creat resumed>) = 5 [pid 7633] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 5055] close(4 [pid 7643] <... memfd_create resumed>) = 3 [pid 7633] <... futex resumed>) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7630] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] rmdir("./139/file0" [pid 7633] creat("./bus", 040 [pid 7643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7630] <... futex resumed>) = 0 [pid 7643] <... mmap resumed>) = 0x7f8720789000 [pid 7630] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, [pid 5055] <... close resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] rmdir("./137/file0" [pid 5056] close(3 [pid 5055] <... rmdir resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./139") = 0 [pid 5055] getdents64(3, [pid 5056] mkdir("./140", 0777 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7634] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... mkdir resumed>) = 0 [pid 5055] close(3 [pid 7634] <... futex resumed>) = 1 [pid 7631] <... futex resumed>) = 0 [pid 7631] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] <... close resumed>) = 0 [pid 7634] mkdirat(AT_FDCWD, "./file0", 000 [pid 7631] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] rmdir("./137" [pid 7634] <... mkdirat resumed>) = 0 [pid 7633] <... creat resumed>) = 5 [pid 5056] <... openat resumed>) = 3 [pid 5055] <... rmdir resumed>) = 0 [pid 7634] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7631] <... futex resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [ 247.294129][ T7640] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 247.304685][ T7640] REISERFS (device loop1): using ordered data mode [ 247.312434][ T7640] reiserfs: using flush barriers [ 247.320442][ T7640] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5055] mkdir("./138", 0777 [pid 7634] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7631] exit_group(0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... mkdir resumed>) = 0 [pid 7634] <... futex resumed>) = ? [pid 7631] <... exit_group resumed>) = ? [pid 7634] +++ exited with 0 +++ [pid 7631] +++ exited with 0 +++ [pid 5056] close(3 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7631, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5053] unlink("./139/binderfs"./strace-static-x86_64: Process 7644 attached [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] <... unlink resumed>) = 0 [pid 7644] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7644 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] close(3 [pid 7644] <... set_robust_list resumed>) = 0 [pid 7633] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7633] <... futex resumed>) = 1 [pid 7644] chdir("./140" [pid 7630] <... futex resumed>) = 0 [pid 7644] <... chdir resumed>) = 0 [pid 7633] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7630] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7630] <... futex resumed>) = 0 [pid 7633] mkdirat(AT_FDCWD, "./file0", 000 [pid 7630] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] <... prctl resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7645 [pid 7644] setpgid(0, 0 [pid 7633] <... mkdirat resumed>) = 0 ./strace-static-x86_64: Process 7645 attached [pid 7644] <... setpgid resumed>) = 0 [pid 7644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7645] set_robust_list(0x55555656d6a0, 24 [pid 7633] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7645] <... set_robust_list resumed>) = 0 [pid 7633] <... futex resumed>) = 1 [pid 7630] <... futex resumed>) = 0 [pid 7630] exit_group(0) = ? [pid 7633] +++ exited with 0 +++ [pid 7630] +++ exited with 0 +++ [pid 7645] chdir("./138" [pid 7644] <... openat resumed>) = 3 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7630, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 7645] <... chdir resumed>) = 0 [pid 7644] write(3, "1000", 4 [pid 7645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7645] <... prctl resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7645] setpgid(0, 0) = 0 [pid 5051] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5051] <... openat resumed>) = 3 [ 247.378572][ T7640] REISERFS (device loop1): checking transaction log (loop1) [ 247.399181][ T7640] REISERFS (device loop1): Using tea hash to sort names [pid 5051] newfstatat(3, "", [pid 7645] <... openat resumed>) = 3 [pid 7644] <... write resumed>) = 4 [pid 7645] write(3, "1000", 4 [pid 7644] close(3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7645] <... write resumed>) = 4 [pid 7644] <... close resumed>) = 0 [pid 5051] getdents64(3, [pid 7645] close(3) = 0 [pid 7644] symlink("/dev/binderfs", "./binderfs" [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7644] <... symlink resumed>) = 0 [pid 7645] symlink("/dev/binderfs", "./binderfs" [pid 5051] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7645] <... symlink resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7645] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(AT_FDCWD, "./143/binderfs", [pid 7645] <... futex resumed>) = 0 [pid 7644] <... futex resumed>) = 0 [pid 7645] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7644] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7645] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7644] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] unlink("./143/binderfs" [pid 7645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7644] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 7645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7645] <... mmap resumed>) = 0x7f8728b89000 [pid 7644] <... mmap resumed>) = 0x7f8728b89000 [pid 7640] <... mount resumed>) = 0 [pid 7645] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7644] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7645] <... mprotect resumed>) = 0 [pid 7644] <... mprotect resumed>) = 0 [pid 7640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7644] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7640] <... openat resumed>) = 3 [pid 7645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7644] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7644] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7640] chdir("./file0" [pid 7645] <... clone3 resumed> => {parent_tid=[7646]}, 88) = 7646 [ 247.426025][ T7640] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7645] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7647 attached ./strace-static-x86_64: Process 7646 attached NULL, 8) = 0 [pid 7640] <... chdir resumed>) = 0 [pid 7647] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7646] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7645] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7640] ioctl(4, LOOP_CLR_FD [pid 7647] <... rseq resumed>) = 0 [pid 7646] <... rseq resumed>) = 0 [pid 7645] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7644] <... clone3 resumed> => {parent_tid=[7647]}, 88) = 7647 [pid 7640] <... ioctl resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7647] set_robust_list(0x7f8728ba99a0, 24 [pid 7646] set_robust_list(0x7f8728ba99a0, 24 [pid 7644] rt_sigprocmask(SIG_SETMASK, [], [pid 7643] <... write resumed>) = 4194304 [pid 5051] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7647] <... set_robust_list resumed>) = 0 [pid 7646] <... set_robust_list resumed>) = 0 [pid 7644] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7643] munmap(0x7f8720789000, 138412032 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7647] rt_sigprocmask(SIG_SETMASK, [], [pid 7646] rt_sigprocmask(SIG_SETMASK, [], [pid 7644] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(AT_FDCWD, "./143/file0", [pid 7647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7644] <... futex resumed>) = 0 [pid 7647] memfd_create("syzkaller", 0 [pid 7646] memfd_create("syzkaller", 0 [pid 7640] close(4 [pid 5053] <... umount2 resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7646] <... memfd_create resumed>) = 3 [pid 5051] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7647] <... memfd_create resumed>) = 3 [pid 7646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7644] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7640] <... close resumed>) = 0 [pid 7647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7646] <... mmap resumed>) = 0x7f8720789000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7647] <... mmap resumed>) = 0x7f8720789000 [pid 7640] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] <... munmap resumed>) = 0 [pid 7640] <... futex resumed>) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7643] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7640] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./139/file0", [pid 5051] <... openat resumed>) = 4 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] newfstatat(4, "", [pid 5053] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] getdents64(4, [pid 5053] <... openat resumed>) = 4 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] newfstatat(4, "", [pid 5051] getdents64(4, [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] getdents64(4, [pid 5051] close(4 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... close resumed>) = 0 [pid 5053] getdents64(4, [pid 5051] rmdir("./143/file0" [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4 [pid 5051] <... rmdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./139/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 5051] getdents64(3, [pid 5053] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] rmdir("./139" [pid 5051] close(3 [pid 5053] <... rmdir resumed>) = 0 [pid 7640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7637] <... futex resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7643] <... openat resumed>) = 4 [pid 7640] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7637] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] rmdir("./143" [pid 5053] mkdir("./140", 0777 [pid 5051] <... rmdir resumed>) = 0 [pid 7640] <... open resumed>) = 4 [pid 7643] ioctl(4, LOOP_SET_FD, 3 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] mkdir("./144", 0777) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] <... close resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 ./strace-static-x86_64: Process 7648 attached [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7648] set_robust_list(0x55555656d6a0, 24 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7648 [pid 7648] <... set_robust_list resumed>) = 0 [pid 7648] chdir("./144") = 0 [pid 7648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7643] <... ioctl resumed>) = 0 [pid 7640] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7649 attached [pid 7648] <... prctl resumed>) = 0 [pid 7640] <... futex resumed>) = 1 [pid 7637] <... futex resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7649 [pid 7649] set_robust_list(0x55555656d6a0, 24 [pid 7640] ftruncate(4, 33587195 [pid 7637] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] <... set_robust_list resumed>) = 0 [pid 7648] setpgid(0, 0 [pid 7637] <... futex resumed>) = 0 [pid 7649] chdir("./140" [pid 7648] <... setpgid resumed>) = 0 [pid 7637] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7649] <... chdir resumed>) = 0 [pid 7640] <... ftruncate resumed>) = 0 [pid 7649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7640] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] <... prctl resumed>) = 0 [pid 7649] setpgid(0, 0) = 0 [pid 7648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7648] <... openat resumed>) = 3 [pid 7648] write(3, "1000", 4 [pid 7649] <... openat resumed>) = 3 [pid 7648] <... write resumed>) = 4 [pid 7648] close(3) = 0 [pid 7649] write(3, "1000", 4 [pid 7648] symlink("/dev/binderfs", "./binderfs" [pid 7649] <... write resumed>) = 4 [pid 7648] <... symlink resumed>) = 0 [pid 7649] close(3 [pid 7648] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] <... futex resumed>) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7649] <... close resumed>) = 0 [pid 7640] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] symlink("/dev/binderfs", "./binderfs" [pid 7648] <... futex resumed>) = 0 [pid 7647] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7643] close(3 [pid 7640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7637] <... futex resumed>) = 0 [pid 7649] <... symlink resumed>) = 0 [pid 7648] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7649] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7649] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7643] <... close resumed>) = 0 [pid 7640] creat("./bus", 040 [pid 7637] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7649] <... mmap resumed>) = 0x7f8728b89000 [pid 7649] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7648] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7649] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7648] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7649] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7650 attached ) = 0x7f8728b89000 [pid 7643] mkdir("./file0", 0777 [pid 7640] <... creat resumed>) = 5 [pid 7650] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7643] <... mkdir resumed>) = 0 [pid 7648] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7643] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7650] <... rseq resumed>) = 0 [pid 7648] <... mprotect resumed>) = 0 [pid 7650] set_robust_list(0x7f8728ba99a0, 24 [pid 7648] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7650] <... set_robust_list resumed>) = 0 [pid 7648] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7648] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7640] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] rt_sigprocmask(SIG_SETMASK, [], [pid 7640] <... futex resumed>) = 1 [pid 7637] <... futex resumed>) = 0 [pid 7650] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 247.564507][ T7643] loop3: detected capacity change from 0 to 8192 [pid 7649] <... clone3 resumed> => {parent_tid=[7650]}, 88) = 7650 [pid 7648] <... clone3 resumed> => {parent_tid=[7652]}, 88) = 7652 [pid 7650] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7649] rt_sigprocmask(SIG_SETMASK, [], [pid 7637] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7648] rt_sigprocmask(SIG_SETMASK, [], [pid 7637] <... futex resumed>) = 0 [pid 7649] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7637] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7652 attached [pid 7650] <... futex resumed>) = 0 [pid 7649] <... futex resumed>) = 1 [pid 7648] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7640] mkdirat(AT_FDCWD, "./file0", 000 [pid 7652] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7650] memfd_create("syzkaller", 0 [pid 7649] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7648] <... futex resumed>) = 0 [pid 7640] <... mkdirat resumed>) = 0 [pid 7652] <... rseq resumed>) = 0 [pid 7648] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7652] set_robust_list(0x7f8728ba99a0, 24 [pid 7650] <... memfd_create resumed>) = 3 [pid 7646] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7640] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7652] <... set_robust_list resumed>) = 0 [pid 7640] <... futex resumed>) = 1 [pid 7652] rt_sigprocmask(SIG_SETMASK, [], [pid 7640] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7637] <... futex resumed>) = 0 [pid 7637] exit_group(0) = ? [pid 7652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7652] memfd_create("syzkaller", 0) = 3 [pid 7652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7640] <... futex resumed>) = ? [pid 7640] +++ exited with 0 +++ [pid 7637] +++ exited with 0 +++ [ 247.634645][ T7643] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7637, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 7646] <... write resumed>) = 4194304 [pid 5052] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7646] munmap(0x7f8720789000, 138412032 [pid 5052] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7646] <... munmap resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5052] newfstatat(3, "", [pid 7646] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7646] <... openat resumed>) = 4 [ 247.698660][ T7643] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 247.731262][ T7643] REISERFS (device loop3): using ordered data mode [ 247.740105][ T7643] reiserfs: using flush barriers [pid 5052] getdents64(3, [pid 7650] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7646] ioctl(4, LOOP_SET_FD, 3 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7646] <... ioctl resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./141/binderfs", [pid 7646] close(3) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./141/binderfs" [pid 7646] mkdir("./file0", 0777) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 7646] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 247.748482][ T7643] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.766951][ T7646] loop4: detected capacity change from 0 to 8192 [ 247.775154][ T7643] REISERFS (device loop3): checking transaction log (loop3) [pid 5052] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7652] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7647] <... write resumed>) = 4194304 [pid 7647] munmap(0x7f8720789000, 138412032) = 0 [ 247.802803][ T7643] REISERFS (device loop3): Using tea hash to sort names [ 247.813957][ T7643] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 247.827515][ T7646] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7647] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7643] <... mount resumed>) = 0 [pid 7647] <... openat resumed>) = 4 [pid 7643] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7647] ioctl(4, LOOP_SET_FD, 3 [pid 7643] <... openat resumed>) = 3 [pid 7647] <... ioctl resumed>) = 0 [pid 7643] chdir("./file0" [pid 7650] <... write resumed>) = 4194304 [pid 7643] <... chdir resumed>) = 0 [pid 7643] ioctl(4, LOOP_CLR_FD) = 0 [ 247.853418][ T7646] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 247.868793][ T7646] REISERFS (device loop4): using ordered data mode [ 247.878200][ T7646] reiserfs: using flush barriers [ 247.884232][ T7647] loop5: detected capacity change from 0 to 8192 [pid 7643] close(4 [pid 7650] munmap(0x7f8720789000, 138412032 [pid 7643] <... close resumed>) = 0 [pid 7650] <... munmap resumed>) = 0 [pid 7647] close(3 [pid 7643] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = 0 [pid 7647] <... close resumed>) = 0 [pid 7643] <... futex resumed>) = 1 [pid 7641] <... futex resumed>) = 0 [pid 7647] mkdir("./file0", 0777 [pid 7643] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7641] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7647] <... mkdir resumed>) = 0 [pid 7643] <... open resumed>) = 4 [pid 7641] <... futex resumed>) = 0 [pid 5052] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7641] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7647] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7643] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7641] <... futex resumed>) = 0 [pid 7641] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 247.913850][ T7646] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 247.942274][ T29] kauditd_printk_skb: 15 callbacks suppressed [pid 7641] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7652] <... write resumed>) = 4194304 [pid 7650] <... openat resumed>) = 4 [pid 7643] ftruncate(4, 33587195 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7650] ioctl(4, LOOP_SET_FD, 3 [pid 7643] <... ftruncate resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./141/file0", [pid 7643] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7643] <... futex resumed>) = 0 [pid 7641] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7643] creat("./bus", 040 [pid 7641] <... futex resumed>) = 0 [pid 7643] <... creat resumed>) = 5 [pid 7641] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7652] munmap(0x7f8720789000, 138412032) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 247.942290][ T29] audit: type=1800 audit(1698988392.694:843): pid=7643 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 247.948292][ T7647] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 247.966262][ T7646] REISERFS (device loop4): checking transaction log (loop4) [ 247.975540][ T7650] loop2: detected capacity change from 0 to 8192 [ 247.982589][ T7647] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 7643] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7641] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7641] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7641] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7643] mkdirat(AT_FDCWD, "./file0", 000 [pid 5052] <... openat resumed>) = 4 [pid 7643] <... mkdirat resumed>) = 0 [pid 7652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7652] ioctl(4, LOOP_SET_FD, 3 [pid 5052] newfstatat(4, "", [pid 7643] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7641] <... futex resumed>) = 0 [pid 7643] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7641] exit_group(0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7643] <... futex resumed>) = ? [pid 7641] <... exit_group resumed>) = ? [pid 7652] <... ioctl resumed>) = 0 [pid 7652] close(3) = 0 [pid 7652] mkdir("./file0", 0777 [pid 7643] +++ exited with 0 +++ [pid 7641] +++ exited with 0 +++ [pid 5052] getdents64(4, [pid 7652] <... mkdir resumed>) = 0 [pid 7652] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7641, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5054] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5054] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(3, [pid 5052] getdents64(4, [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./137/binderfs") = 0 [ 248.010111][ T7647] REISERFS (device loop5): using ordered data mode [ 248.018156][ T7646] REISERFS (device loop4): Using tea hash to sort names [ 248.021397][ T7652] loop0: detected capacity change from 0 to 8192 [ 248.043566][ T7646] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7650] <... ioctl resumed>) = 0 [pid 7646] <... mount resumed>) = 0 [pid 5052] close(4) = 0 [pid 7650] close(3 [pid 5052] rmdir("./141/file0" [pid 7650] <... close resumed>) = 0 [pid 7646] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7650] mkdir("./file0", 0777 [pid 7646] <... openat resumed>) = 3 [pid 5052] <... rmdir resumed>) = 0 [pid 7650] <... mkdir resumed>) = 0 [pid 7646] chdir("./file0" [pid 5052] getdents64(3, [pid 7646] <... chdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7646] ioctl(4, LOOP_CLR_FD [ 248.055193][ T7652] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.061850][ T7647] reiserfs: using flush barriers [ 248.069612][ T7652] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 248.085520][ T7652] REISERFS (device loop0): using ordered data mode [ 248.090101][ T7647] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.093960][ T7652] reiserfs: using flush barriers [pid 5052] close(3 [pid 7650] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7646] <... ioctl resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7646] close(4 [pid 5052] rmdir("./141" [pid 7646] <... close resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7646] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] mkdir("./142", 0777 [pid 7646] <... futex resumed>) = 1 [pid 7645] <... futex resumed>) = 0 [pid 7645] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... mkdir resumed>) = 0 [pid 7646] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [ 248.114721][ T7647] REISERFS (device loop5): checking transaction log (loop5) [ 248.128115][ T29] audit: type=1800 audit(1698988392.884:844): pid=7646 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 248.148725][ T7652] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7646] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7657 [pid 7646] <... futex resumed>) = 1 [pid 7645] <... futex resumed>) = 0 [pid 7646] ftruncate(4, 33587195 [pid 7645] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] <... ftruncate resumed>) = 0 ./strace-static-x86_64: Process 7657 attached [pid 7646] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7646] <... futex resumed>) = 1 [pid 7645] <... futex resumed>) = 0 [pid 7645] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] chdir("./142" [pid 7646] creat("./bus", 040 [pid 7657] <... chdir resumed>) = 0 [pid 7657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7645] <... futex resumed>) = 0 [pid 7657] <... prctl resumed>) = 0 [pid 7657] setpgid(0, 0 [pid 7645] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7657] <... setpgid resumed>) = 0 [pid 7646] <... creat resumed>) = 5 [ 248.164058][ T7647] REISERFS (device loop5): Using tea hash to sort names [ 248.173100][ T7650] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.175403][ T7652] REISERFS (device loop0): checking transaction log (loop0) [ 248.206207][ T7652] REISERFS (device loop0): Using tea hash to sort names [pid 7657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7657] write(3, "1000", 4 [pid 7652] <... mount resumed>) = 0 [pid 7647] <... mount resumed>) = 0 [pid 7646] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7645] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7645] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7646] <... futex resumed>) = 1 [pid 7657] <... write resumed>) = 4 [pid 7645] <... futex resumed>) = 0 [pid 7647] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7652] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7645] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} [pid 7652] <... openat resumed>) = 3 [pid 7657] close(3 [pid 7652] chdir("./file0" [pid 7647] <... openat resumed>) = 3 [ 248.222230][ T7652] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 248.234423][ T7647] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 248.245195][ T7650] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 248.255656][ T7650] REISERFS (device loop2): using ordered data mode [ 248.263228][ T7650] reiserfs: using flush barriers [pid 7646] mkdirat(AT_FDCWD, "./file0", 000 [pid 7657] <... close resumed>) = 0 [pid 7652] <... chdir resumed>) = 0 [pid 7647] chdir("./file0" [pid 7646] <... mkdirat resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 7657] symlink("/dev/binderfs", "./binderfs" [pid 7652] ioctl(4, LOOP_CLR_FD [pid 7647] <... chdir resumed>) = 0 [pid 7646] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7657] <... symlink resumed>) = 0 [pid 7652] <... ioctl resumed>) = 0 [pid 7647] ioctl(4, LOOP_CLR_FD [pid 7646] <... futex resumed>) = 1 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7657] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7652] close(4 [pid 7647] <... ioctl resumed>) = 0 [pid 7646] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] newfstatat(AT_FDCWD, "./137/file0", [pid 7657] <... futex resumed>) = 0 [pid 7652] <... close resumed>) = 0 [pid 7647] close(4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7657] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7652] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... close resumed>) = 0 [pid 7657] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7652] <... futex resumed>) = 1 [pid 7647] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7652] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7647] <... futex resumed>) = 1 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7647] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... openat resumed>) = 4 [pid 7657] <... mmap resumed>) = 0x7f8728b89000 [pid 7657] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] newfstatat(4, "", [pid 7657] <... mprotect resumed>) = 0 [pid 7657] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7657] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7645] <... futex resumed>) = 0 [pid 5054] getdents64(4, [pid 7657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7657] <... clone3 resumed> => {parent_tid=[7658]}, 88) = 7658 [pid 7648] <... futex resumed>) = 0 [pid 7645] exit_group(0 [pid 5054] getdents64(4, [pid 7657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7657] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] close(4 [pid 7657] <... futex resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 7657] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] rmdir("./137/file0"./strace-static-x86_64: Process 7658 attached [pid 7648] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7646] <... futex resumed>) = ? [pid 7645] <... exit_group resumed>) = ? [pid 7644] <... futex resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 7646] +++ exited with 0 +++ [pid 7644] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 7658] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7652] <... futex resumed>) = 0 [pid 7648] <... futex resumed>) = 1 [pid 7647] <... futex resumed>) = 0 [pid 7645] +++ exited with 0 +++ [pid 7644] <... futex resumed>) = 1 [pid 7658] <... rseq resumed>) = 0 [pid 7652] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7648] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 248.271734][ T7650] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.297020][ T7650] REISERFS (device loop2): checking transaction log (loop2) [ 248.305797][ T7650] REISERFS (device loop2): Using tea hash to sort names [pid 7647] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7644] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7645, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7658] set_robust_list(0x7f8728ba99a0, 24 [pid 7652] <... open resumed>) = 4 [pid 7647] <... open resumed>) = 4 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7652] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] close(3 [pid 7658] <... set_robust_list resumed>) = 0 [pid 7652] <... futex resumed>) = 1 [pid 7648] <... futex resumed>) = 0 [pid 7647] <... futex resumed>) = 0 [pid 7644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... close resumed>) = 0 [pid 7647] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7652] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./138/binderfs") = 0 [pid 5055] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] rmdir("./137" [pid 7644] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] rt_sigprocmask(SIG_SETMASK, [], [pid 7648] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... futex resumed>) = 0 [pid 7644] <... futex resumed>) = 1 [pid 5054] <... rmdir resumed>) = 0 [pid 7658] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7652] <... futex resumed>) = 0 [pid 7648] <... futex resumed>) = 1 [pid 7647] ftruncate(4, 33587195 [pid 7644] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] mkdir("./138", 0777 [pid 7658] memfd_create("syzkaller", 0 [pid 7652] ftruncate(4, 33587195 [pid 7650] <... mount resumed>) = 0 [pid 7648] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... mkdir resumed>) = 0 [pid 7658] <... memfd_create resumed>) = 3 [pid 7652] <... ftruncate resumed>) = 0 [pid 7650] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7647] <... ftruncate resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7652] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7650] <... openat resumed>) = 3 [pid 7647] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... openat resumed>) = 3 [pid 7658] <... mmap resumed>) = 0x7f8720789000 [pid 7650] chdir("./file0" [pid 7652] <... futex resumed>) = 1 [pid 7650] <... chdir resumed>) = 0 [pid 7648] <... futex resumed>) = 0 [pid 7647] <... futex resumed>) = 1 [pid 7644] <... futex resumed>) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7648] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7648] <... futex resumed>) = 0 [pid 7644] <... futex resumed>) = 0 [pid 7648] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7644] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7652] creat("./bus", 040 [pid 7647] creat("./bus", 040 [ 248.317623][ T29] audit: type=1800 audit(1698988393.074:845): pid=7652 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 248.321082][ T7650] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 248.341887][ T29] audit: type=1800 audit(1698988393.074:846): pid=7647 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 5054] close(3 [pid 7650] ioctl(4, LOOP_CLR_FD [pid 7647] <... creat resumed>) = 5 [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7659 attached [pid 7650] <... ioctl resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7659 [pid 7650] close(4 [pid 7659] set_robust_list(0x55555656d6a0, 24 [pid 7650] <... close resumed>) = 0 [pid 7659] <... set_robust_list resumed>) = 0 [pid 7650] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7650] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7649] <... futex resumed>) = 0 [pid 7649] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7650] <... futex resumed>) = 0 [pid 7659] chdir("./138" [pid 7652] <... creat resumed>) = 5 [pid 7650] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7649] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7647] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] <... chdir resumed>) = 0 [pid 7652] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... futex resumed>) = 1 [pid 7659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7652] <... futex resumed>) = 1 [pid 7648] <... futex resumed>) = 0 [pid 7647] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7644] <... futex resumed>) = 0 [pid 7659] <... prctl resumed>) = 0 [pid 7652] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7650] <... open resumed>) = 4 [pid 7659] setpgid(0, 0) = 0 [pid 7659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7659] write(3, "1000", 4) = 4 [pid 7659] close(3) = 0 [pid 7659] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7659] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7659] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7650] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7644] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7659] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7652] <... futex resumed>) = 0 [pid 7650] <... futex resumed>) = 0 [pid 7649] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] <... futex resumed>) = 1 [pid 7647] <... futex resumed>) = 0 [pid 7644] <... futex resumed>) = 1 [pid 7659] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7652] mkdirat(AT_FDCWD, "./file0", 000 [pid 7650] ftruncate(4, 33587195 [pid 7649] <... futex resumed>) = 0 [pid 7648] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7647] mkdirat(AT_FDCWD, "./file0", 000 [pid 7644] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7652] <... mkdirat resumed>) = 0 [pid 7649] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7652] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7647] <... mkdirat resumed>) = 0 [pid 7659] <... mmap resumed>) = 0x7f8728b89000 [pid 7652] <... futex resumed>) = 1 [pid 7647] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7652] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7648] <... futex resumed>) = 0 [pid 7647] <... futex resumed>) = 1 [pid 7644] <... futex resumed>) = 0 [pid 7659] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7648] exit_group(0 [pid 7647] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7644] exit_group(0 [pid 7659] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7644] <... exit_group resumed>) = ? [pid 7648] <... exit_group resumed>) = ? [pid 7659] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7652] <... futex resumed>) = ? [pid 7650] <... ftruncate resumed>) = 0 [pid 7647] <... futex resumed>) = ? [pid 7652] +++ exited with 0 +++ [pid 7650] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7648] +++ exited with 0 +++ [pid 7647] +++ exited with 0 +++ [pid 7644] +++ exited with 0 +++ [pid 7659] <... clone3 resumed> => {parent_tid=[7660]}, 88) = 7660 [pid 7650] <... futex resumed>) = 1 [pid 7649] <... futex resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7648, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [ 248.412482][ T29] audit: type=1800 audit(1698988393.164:847): pid=7650 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 ./strace-static-x86_64: Process 7660 attached [pid 7659] rt_sigprocmask(SIG_SETMASK, [], [pid 7650] creat("./bus", 040 [pid 7649] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7644, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7660] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7659] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7649] <... futex resumed>) = 0 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 7660] <... rseq resumed>) = 0 [pid 7659] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7649] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... restart_syscall resumed>) = 0 [pid 7660] set_robust_list(0x7f8728ba99a0, 24 [pid 7659] <... futex resumed>) = 0 [pid 7660] <... set_robust_list resumed>) = 0 [pid 7659] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7650] <... creat resumed>) = 5 [pid 5051] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7660] rt_sigprocmask(SIG_SETMASK, [], [pid 7650] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7650] <... futex resumed>) = 1 [pid 7649] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7660] memfd_create("syzkaller", 0 [pid 7650] mkdirat(AT_FDCWD, "./file0", 000 [pid 7649] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7649] <... futex resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7650] <... mkdirat resumed>) = 0 [pid 7649] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] newfstatat(3, "", [pid 7660] <... memfd_create resumed>) = 3 [pid 5056] <... openat resumed>) = 3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 7660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7650] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(3, "", [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7650] <... futex resumed>) = 1 [pid 7649] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7660] <... mmap resumed>) = 0x7f8720789000 [pid 7650] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7649] exit_group(0 [pid 5056] getdents64(3, [pid 5051] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7650] <... futex resumed>) = ? [pid 7649] <... exit_group resumed>) = ? [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./144/binderfs") = 0 [pid 5051] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7650] +++ exited with 0 +++ [pid 7649] +++ exited with 0 +++ [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./140/binderfs", [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7649, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 5056] unlink("./140/binderfs") = 0 [pid 5053] <... restart_syscall resumed>) = 0 [pid 5056] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./140/binderfs") = 0 [pid 5053] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5053] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./140/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./140/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./140") = 0 [pid 5053] mkdir("./141", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = 0 [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7661 ./strace-static-x86_64: Process 7661 attached [pid 7661] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7661] chdir("./141") = 0 [pid 7661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... umount2 resumed>) = 0 [pid 7661] <... prctl resumed>) = 0 [pid 7661] setpgid(0, 0) = 0 [pid 7661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7661] write(3, "1000", 4) = 4 [pid 7661] close(3) = 0 [pid 7661] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7658] <... write resumed>) = 4194304 [pid 7661] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7661] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7661] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] newfstatat(AT_FDCWD, "./138/file0", [pid 7661] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7661] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7661] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... openat resumed>) = 4 [pid 7661] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5055] newfstatat(4, "", [pid 7661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] getdents64(4, [pid 7661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7658] munmap(0x7f8720789000, 138412032 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7658] <... munmap resumed>) = 0 [pid 5055] getdents64(4, [pid 7661] <... clone3 resumed> => {parent_tid=[7662]}, 88) = 7662 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7661] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] close(4 [pid 7661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... close resumed>) = 0 [pid 7661] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] rmdir("./138/file0" [pid 7661] <... futex resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 7661] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7658] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5055] close(3./strace-static-x86_64: Process 7662 attached [pid 7658] <... openat resumed>) = 4 [pid 5055] <... close resumed>) = 0 [pid 7658] ioctl(4, LOOP_SET_FD, 3 [pid 5055] rmdir("./138" [pid 7658] <... ioctl resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 7662] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5055] mkdir("./139", 0777 [pid 7662] <... rseq resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 7662] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 7662] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5056] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5051] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7662] memfd_create("syzkaller", 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7662] <... memfd_create resumed>) = 3 [pid 5056] newfstatat(AT_FDCWD, "./140/file0", [pid 7662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7662] <... mmap resumed>) = 0x7f8720789000 [pid 5056] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 3 [pid 5051] newfstatat(AT_FDCWD, "./144/file0", [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./144/file0" [pid 5055] close(3 [pid 5051] <... rmdir resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5055] <... close resumed>) = 0 [pid 7658] close(3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] getdents64(3, [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7658] <... close resumed>) = 0 [pid 5056] getdents64(4, [pid 7658] mkdir("./file0", 0777 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(3 [pid 7658] <... mkdir resumed>) = 0 [pid 5056] close(4 [pid 5051] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./140/file0" [pid 5051] rmdir("./144"./strace-static-x86_64: Process 7663 attached [pid 5056] <... rmdir resumed>) = 0 [pid 7663] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7663] chdir("./139" [pid 5056] close(3 [pid 7658] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7663 [pid 5051] <... rmdir resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 7663] <... chdir resumed>) = 0 [pid 5056] rmdir("./140" [pid 5051] mkdir("./145", 0777 [pid 7663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... rmdir resumed>) = 0 [ 248.706018][ T7658] loop1: detected capacity change from 0 to 8192 [pid 5051] <... mkdir resumed>) = 0 [pid 7663] <... prctl resumed>) = 0 [pid 7662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] mkdir("./141", 0777 [pid 7663] setpgid(0, 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7663] <... setpgid resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] close(3 [pid 5056] <... openat resumed>) = 3 [pid 5051] <... close resumed>) = 0 [pid 7663] <... openat resumed>) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7663] write(3, "1000", 4) = 4 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7663] close(3) = 0 [pid 7660] <... write resumed>) = 4194304 [pid 5056] close(3 [pid 7663] symlink("/dev/binderfs", "./binderfs" [pid 7660] munmap(0x7f8720789000, 138412032 [pid 5056] <... close resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7665 [pid 7663] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7665 attached [pid 7665] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7660] <... munmap resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7663] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7665] chdir("./145") = 0 [pid 7663] <... futex resumed>) = 0 [pid 7660] <... openat resumed>) = 4 [pid 7663] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7660] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7666 [pid 7663] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7665] setpgid(0, 0) = 0 [pid 7665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 7666 attached [pid 7665] write(3, "1000", 4 [pid 7666] set_robust_list(0x55555656d6a0, 24 [pid 7665] <... write resumed>) = 4 [pid 7665] close(3) = 0 [pid 7665] symlink("/dev/binderfs", "./binderfs" [pid 7663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7665] <... symlink resumed>) = 0 [pid 7663] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 248.781105][ T7658] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.809636][ T7660] loop3: detected capacity change from 0 to 8192 [pid 7666] <... set_robust_list resumed>) = 0 [pid 7665] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7666] chdir("./141" [pid 7665] <... futex resumed>) = 0 [pid 7663] <... mmap resumed>) = 0x7f8728b89000 [pid 7666] <... chdir resumed>) = 0 [pid 7665] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7663] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7665] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7663] <... mprotect resumed>) = 0 [pid 7666] <... prctl resumed>) = 0 [pid 7665] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7666] setpgid(0, 0 [pid 7665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7666] <... setpgid resumed>) = 0 [pid 7665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7665] <... mmap resumed>) = 0x7f8728b89000 [pid 7666] <... openat resumed>) = 3 [pid 7665] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7666] write(3, "1000", 4 [pid 7665] <... mprotect resumed>) = 0 [pid 7666] <... write resumed>) = 4 [pid 7665] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7666] close(3 [pid 7665] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7663] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7666] <... close resumed>) = 0 [pid 7665] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7663] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7666] symlink("/dev/binderfs", "./binderfs" [pid 7663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7662] <... write resumed>) = 4194304 [pid 7660] <... ioctl resumed>) = 0 [pid 7666] <... symlink resumed>) = 0 [pid 7662] munmap(0x7f8720789000, 138412032 [pid 7660] close(3 [pid 7663] <... clone3 resumed> => {parent_tid=[7667]}, 88) = 7667 [pid 7660] <... close resumed>) = 0 [pid 7663] rt_sigprocmask(SIG_SETMASK, [], [pid 7660] mkdir("./file0", 0777 [pid 7663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7666] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7667 attached [pid 7666] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7668 attached [pid 7667] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [ 248.824022][ T7658] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 248.833517][ T7658] REISERFS (device loop1): using ordered data mode [ 248.840982][ T7658] reiserfs: using flush barriers [ 248.854123][ T7658] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7666] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7668] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7667] <... rseq resumed>) = 0 [pid 7666] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7665] <... clone3 resumed> => {parent_tid=[7668]}, 88) = 7668 [pid 7663] <... futex resumed>) = 0 [pid 7663] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7660] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7668] <... rseq resumed>) = 0 [pid 7667] set_robust_list(0x7f8728ba99a0, 24 [pid 7666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7662] <... munmap resumed>) = 0 [pid 7665] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7662] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7668] set_robust_list(0x7f8728ba99a0, 24 [pid 7667] <... set_robust_list resumed>) = 0 [pid 7666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7665] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7662] <... openat resumed>) = 4 [pid 7662] ioctl(4, LOOP_SET_FD, 3 [pid 7667] rt_sigprocmask(SIG_SETMASK, [], [pid 7666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7666] <... mmap resumed>) = 0x7f8728b89000 [pid 7667] memfd_create("syzkaller", 0 [pid 7666] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7668] <... set_robust_list resumed>) = 0 [pid 7667] <... memfd_create resumed>) = 3 [pid 7666] <... mprotect resumed>) = 0 [pid 7668] rt_sigprocmask(SIG_SETMASK, [], [pid 7667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7666] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7667] <... mmap resumed>) = 0x7f8720789000 [pid 7666] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7668] memfd_create("syzkaller", 0 [pid 7666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7668] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 7670 attached [pid 7668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7666] <... clone3 resumed> => {parent_tid=[7670]}, 88) = 7670 [pid 7670] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7668] <... mmap resumed>) = 0x7f8720789000 [pid 7666] rt_sigprocmask(SIG_SETMASK, [], [pid 7670] <... rseq resumed>) = 0 [pid 7666] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7670] set_robust_list(0x7f8728ba99a0, 24 [pid 7666] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] <... set_robust_list resumed>) = 0 [pid 7666] <... futex resumed>) = 0 [pid 7662] <... ioctl resumed>) = 0 [pid 7666] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7662] close(3 [pid 7670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 248.881731][ T7662] loop2: detected capacity change from 0 to 8192 [ 248.891870][ T7660] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 248.905046][ T7660] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 248.914464][ T7660] REISERFS (device loop3): using ordered data mode [ 248.924153][ T7660] reiserfs: using flush barriers [pid 7670] memfd_create("syzkaller", 0) = 3 [pid 7670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7662] <... close resumed>) = 0 [pid 7662] mkdir("./file0", 0777) = 0 [ 248.932418][ T7660] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 248.934171][ T7658] REISERFS (device loop1): checking transaction log (loop1) [ 248.957528][ T7660] REISERFS (device loop3): checking transaction log (loop3) [ 248.963520][ T7658] REISERFS (device loop1): Using tea hash to sort names [ 248.974648][ T7660] REISERFS (device loop3): Using tea hash to sort names [pid 7662] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7670] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7668] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7660] <... mount resumed>) = 0 [pid 7660] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7660] chdir("./file0") = 0 [pid 7660] ioctl(4, LOOP_CLR_FD) = 0 [pid 7660] close(4) = 0 [pid 7660] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7660] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7659] <... futex resumed>) = 0 [pid 7658] <... mount resumed>) = 0 [pid 7659] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 248.982030][ T7660] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 248.992415][ T7662] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.005986][ T7658] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 249.007633][ T7662] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 7660] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = 1 [pid 7658] chdir("./file0" [pid 7660] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7658] <... chdir resumed>) = 0 [pid 7660] <... open resumed>) = 4 [pid 7659] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7659] <... futex resumed>) = 0 [pid 7659] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7660] ftruncate(4, 33587195 [pid 7658] ioctl(4, LOOP_CLR_FD [pid 7660] <... ftruncate resumed>) = 0 [pid 7659] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... ioctl resumed>) = 0 [pid 7660] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] close(4 [pid 7660] <... futex resumed>) = 0 [pid 7658] <... close resumed>) = 0 [pid 7660] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7658] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7658] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7657] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = 1 [pid 7657] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] <... futex resumed>) = 0 [pid 7658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7660] creat("./bus", 040 [pid 7658] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7660] <... creat resumed>) = 5 [pid 7659] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... open resumed>) = 4 [pid 7658] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7658] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7657] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7657] <... futex resumed>) = 0 [pid 7658] ftruncate(4, 33587195 [pid 7657] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7660] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7659] <... futex resumed>) = 0 [pid 7658] <... ftruncate resumed>) = 0 [pid 7660] mkdirat(AT_FDCWD, "./file0", 000 [pid 7659] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... mkdirat resumed>) = 0 [pid 7659] <... futex resumed>) = 0 [pid 7658] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7659] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7660] <... futex resumed>) = 0 [pid 7659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 249.048510][ T29] audit: type=1800 audit(1698988393.804:848): pid=7660 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 249.083467][ T7662] REISERFS (device loop2): using ordered data mode [pid 7660] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7659] exit_group(0 [pid 7657] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7660] <... futex resumed>) = ? [pid 7659] <... exit_group resumed>) = ? [pid 7657] <... futex resumed>) = 0 [pid 7660] +++ exited with 0 +++ [pid 7659] +++ exited with 0 +++ [pid 7658] creat("./bus", 040 [pid 7657] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7658] <... creat resumed>) = 5 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7659, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [ 249.124964][ T7662] reiserfs: using flush barriers [ 249.140632][ T29] audit: type=1800 audit(1698988393.854:849): pid=7658 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 7658] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7668] <... write resumed>) = 4194304 [pid 7667] <... write resumed>) = 4194304 [pid 7668] munmap(0x7f8720789000, 138412032 [pid 7667] munmap(0x7f8720789000, 138412032 [pid 7668] <... munmap resumed>) = 0 [pid 7667] <... munmap resumed>) = 0 [pid 5054] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7668] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7667] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7668] <... openat resumed>) = 4 [pid 7667] <... openat resumed>) = 4 [pid 5054] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7668] ioctl(4, LOOP_SET_FD, 3 [pid 7658] <... futex resumed>) = 0 [pid 7657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] <... openat resumed>) = 3 [pid 7657] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7657] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7670] <... write resumed>) = 4194304 [pid 7658] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7658] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7670] munmap(0x7f8720789000, 138412032 [pid 7658] <... futex resumed>) = 1 [pid 7657] <... futex resumed>) = 0 [pid 7657] exit_group(0) = ? [pid 7668] <... ioctl resumed>) = 0 [pid 7667] ioctl(4, LOOP_SET_FD, 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7670] <... munmap resumed>) = 0 [pid 7670] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7658] +++ exited with 0 +++ [pid 7657] +++ exited with 0 +++ [pid 7670] ioctl(4, LOOP_SET_FD, 3 [pid 7668] close(3 [pid 7667] <... ioctl resumed>) = 0 [pid 5054] getdents64(3, [pid 7668] <... close resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7657, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7668] mkdir("./file0", 0777 [pid 7667] close(3 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7670] <... ioctl resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 7668] <... mkdir resumed>) = 0 [pid 7667] <... close resumed>) = 0 [pid 7668] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7667] mkdir("./file0", 0777 [pid 7670] close(3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7670] <... close resumed>) = 0 [pid 7670] mkdir("./file0", 0777 [pid 5052] getdents64(3, [pid 7670] <... mkdir resumed>) = 0 [pid 7667] <... mkdir resumed>) = 0 [pid 7670] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 249.141388][ T7662] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.187706][ T7668] loop0: detected capacity change from 0 to 8192 [ 249.196046][ T7667] loop4: detected capacity change from 0 to 8192 [ 249.202124][ T7670] loop5: detected capacity change from 0 to 8192 [ 249.218070][ T7662] REISERFS (device loop2): checking transaction log (loop2) [pid 7667] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./138/binderfs") = 0 [pid 5052] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 249.227767][ T7662] REISERFS (device loop2): Using tea hash to sort names [ 249.236974][ T7668] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.244160][ T7670] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.252947][ T7668] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5052] newfstatat(AT_FDCWD, "./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./142/binderfs") = 0 [ 249.268383][ T7667] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 249.275083][ T7668] REISERFS (device loop0): using ordered data mode [ 249.285962][ T7662] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 249.306921][ T7670] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 249.316969][ T7667] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5052] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7662] <... mount resumed>) = 0 [pid 7662] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7662] chdir("./file0") = 0 [pid 7662] ioctl(4, LOOP_CLR_FD) = 0 [ 249.331845][ T7668] reiserfs: using flush barriers [ 249.348321][ T7668] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.369956][ T7670] REISERFS (device loop5): using ordered data mode [pid 7662] close(4) = 0 [pid 7662] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7661] <... futex resumed>) = 0 [pid 7662] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7661] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7661] <... futex resumed>) = 0 [pid 7662] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7661] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7662] <... open resumed>) = 4 [pid 7662] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = 0 [ 249.383234][ T7667] REISERFS (device loop4): using ordered data mode [ 249.399018][ T29] audit: type=1800 audit(1698988394.154:850): pid=7662 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 249.407984][ T7668] REISERFS (device loop0): checking transaction log (loop0) [ 249.419999][ T7670] reiserfs: using flush barriers [pid 5054] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7662] <... futex resumed>) = 1 [pid 7661] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7661] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7661] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7662] ftruncate(4, 33587195 [ 249.435688][ T7667] reiserfs: using flush barriers [pid 5054] newfstatat(AT_FDCWD, "./138/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7662] <... ftruncate resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, [pid 7661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7661] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7661] <... futex resumed>) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 7661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... close resumed>) = 0 [pid 7661] <... mmap resumed>) = 0x7f8728b68000 [pid 5054] rmdir("./138/file0" [pid 7662] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7662] <... futex resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 7662] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [ 249.461870][ T7667] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.478830][ T7670] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 249.482063][ T7668] REISERFS (device loop0): Using tea hash to sort names [pid 7661] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] close(3 [pid 7661] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7661] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0}./strace-static-x86_64: Process 7675 attached [pid 7675] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 7661] <... clone3 resumed> => {parent_tid=[7675]}, 88) = 7675 [pid 7675] <... rseq resumed>) = 0 [pid 7661] rt_sigprocmask(SIG_SETMASK, [], [pid 7675] set_robust_list(0x7f8728b889a0, 24 [pid 7661] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7675] <... set_robust_list resumed>) = 0 [pid 7661] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] rt_sigprocmask(SIG_SETMASK, [], [pid 7661] <... futex resumed>) = 0 [pid 7675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7668] <... mount resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 7675] creat("./bus", 040 [pid 7661] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7675] <... creat resumed>) = 5 [pid 7668] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] rmdir("./138" [pid 7675] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7661] <... futex resumed>) = 0 [pid 7661] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7675] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7662] <... futex resumed>) = 0 [pid 7661] <... futex resumed>) = 1 [pid 7662] mkdirat(AT_FDCWD, "./file0", 000 [pid 7661] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7662] <... mkdirat resumed>) = 0 [pid 7662] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7661] <... futex resumed>) = 0 [pid 7661] exit_group(0 [pid 7675] <... futex resumed>) = ? [pid 7661] <... exit_group resumed>) = ? [pid 7675] +++ exited with 0 +++ [pid 7662] <... futex resumed>) = ? [pid 7668] <... openat resumed>) = 3 [pid 5054] <... rmdir resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5052] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7668] chdir("./file0" [pid 7662] +++ exited with 0 +++ [pid 7661] +++ exited with 0 +++ [pid 5054] mkdir("./139", 0777 [pid 5052] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7661, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(4, "", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] getdents64(4, [pid 5053] <... openat resumed>) = 3 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] newfstatat(3, "", [pid 5052] getdents64(4, [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] getdents64(3, [pid 5052] close(4 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... close resumed>) = 0 [pid 5053] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] rmdir("./142/file0" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... rmdir resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./141/binderfs", [pid 5052] getdents64(3, [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] unlink("./141/binderfs" [pid 5052] close(3 [pid 7668] <... chdir resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7668] ioctl(4, LOOP_CLR_FD [pid 7667] <... mount resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 249.510118][ T7668] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 249.522754][ T7667] REISERFS (device loop4): checking transaction log (loop4) [ 249.531363][ T7670] REISERFS (device loop5): checking transaction log (loop5) [ 249.534081][ T7667] REISERFS (device loop4): Using tea hash to sort names [ 249.547573][ T7667] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5052] rmdir("./142" [pid 7668] <... ioctl resumed>) = 0 [pid 7667] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... openat resumed>) = 3 [pid 7668] close(4 [pid 7667] <... openat resumed>) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7668] <... close resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7668] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] chdir("./file0" [pid 5054] close(3 [pid 7668] <... futex resumed>) = 1 [pid 7667] <... chdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 7668] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7667] ioctl(4, LOOP_CLR_FD [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7667] <... ioctl resumed>) = 0 [pid 7665] <... futex resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7667] close(4 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7676 [pid 7667] <... close resumed>) = 0 [pid 7667] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] mkdir("./143", 0777 [pid 7668] <... futex resumed>) = 0 [pid 7665] <... futex resumed>) = 1 [pid 7668] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7665] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... mkdir resumed>) = 0 [pid 7668] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 7676 attached [pid 7668] <... futex resumed>) = 1 [pid 7665] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7665] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7665] <... futex resumed>) = 0 [pid 7665] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] close(3 [pid 7676] set_robust_list(0x55555656d6a0, 24 [pid 7668] ftruncate(4, 33587195 [pid 5052] <... close resumed>) = 0 [pid 7667] <... futex resumed>) = 1 [pid 7676] <... set_robust_list resumed>) = 0 [pid 7668] <... ftruncate resumed>) = 0 [pid 7667] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7668] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7665] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7677 attached [pid 7676] chdir("./139" [pid 7668] creat("./bus", 040 [pid 7665] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] set_robust_list(0x55555656d6a0, 24 [pid 7668] <... creat resumed>) = 5 [pid 7665] <... futex resumed>) = 0 [pid 7676] <... chdir resumed>) = 0 [pid 7665] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7677 [pid 7676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7670] <... mount resumed>) = 0 [pid 7668] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] <... futex resumed>) = 0 [pid 7676] setpgid(0, 0 [pid 7670] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7668] <... futex resumed>) = 1 [pid 7665] <... futex resumed>) = 0 [pid 7663] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... setpgid resumed>) = 0 [pid 7670] <... openat resumed>) = 3 [pid 7668] mkdirat(AT_FDCWD, "./file0", 000 [pid 7667] <... futex resumed>) = 0 [pid 7665] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7663] <... futex resumed>) = 1 [pid 7676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7670] chdir("./file0" [pid 7668] <... mkdirat resumed>) = 0 [pid 7667] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7665] <... futex resumed>) = 0 [pid 7663] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7677] <... set_robust_list resumed>) = 0 [pid 7676] <... openat resumed>) = 3 [pid 7670] <... chdir resumed>) = 0 [pid 7668] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] <... open resumed>) = 4 [pid 7665] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7677] chdir("./143" [pid 7676] write(3, "1000", 4 [pid 7670] ioctl(4, LOOP_CLR_FD [pid 7668] <... futex resumed>) = 0 [pid 7667] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7670] <... ioctl resumed>) = 0 [pid 7668] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7667] <... futex resumed>) = 1 [pid 7665] exit_group(0 [pid 7676] <... write resumed>) = 4 [pid 7663] <... futex resumed>) = 0 [pid 7670] close(4 [pid 7668] <... futex resumed>) = ? [ 249.559112][ T7670] REISERFS (device loop5): Using tea hash to sort names [ 249.578007][ T7670] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 249.590381][ T29] audit: type=1800 audit(1698988394.344:851): pid=7668 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 7667] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7665] <... exit_group resumed>) = ? [pid 7663] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] close(3 [pid 7670] <... close resumed>) = 0 [pid 7668] +++ exited with 0 +++ [pid 7667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7663] <... futex resumed>) = 0 [pid 7670] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] ftruncate(4, 33587195 [pid 7663] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7670] <... futex resumed>) = 1 [pid 7666] <... futex resumed>) = 0 [pid 7670] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7666] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... close resumed>) = 0 [pid 7677] <... chdir resumed>) = 0 [pid 7670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7666] <... futex resumed>) = 0 [pid 7665] +++ exited with 0 +++ [pid 7677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7676] symlink("/dev/binderfs", "./binderfs" [pid 7670] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7667] <... ftruncate resumed>) = 0 [pid 7666] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7665, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7670] <... open resumed>) = 4 [pid 7677] <... prctl resumed>) = 0 [pid 7676] <... symlink resumed>) = 0 [pid 7670] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] setpgid(0, 0 [pid 7670] <... futex resumed>) = 1 [pid 7666] <... futex resumed>) = 0 [pid 7676] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... setpgid resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 7666] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7666] <... futex resumed>) = 0 [pid 7666] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7676] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7670] ftruncate(4, 33587195 [pid 7667] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7677] <... openat resumed>) = 3 [pid 7676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7670] <... ftruncate resumed>) = 0 [pid 7667] <... futex resumed>) = 1 [pid 7663] <... futex resumed>) = 0 [pid 5051] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7676] <... mmap resumed>) = 0x7f8728b89000 [pid 7663] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7676] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7663] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7677] write(3, "1000", 4 [pid 7676] <... mprotect resumed>) = 0 [pid 7670] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] creat("./bus", 040 [pid 7663] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7677] <... write resumed>) = 4 [pid 7676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7670] <... futex resumed>) = 1 [pid 7667] <... creat resumed>) = 5 [pid 7666] <... futex resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7677] close(3 [pid 7676] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7666] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(3, "", [pid 7677] <... close resumed>) = 0 [pid 7676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7670] creat("./bus", 040 [pid 7666] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7677] symlink("/dev/binderfs", "./binderfs" [pid 7666] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] getdents64(3, [pid 7677] <... symlink resumed>) = 0 [pid 7676] <... clone3 resumed> => {parent_tid=[7678]}, 88) = 7678 [pid 7677] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 7678 attached [pid 7677] <... futex resumed>) = 0 [pid 7676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7670] <... creat resumed>) = 5 [pid 7667] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7663] <... futex resumed>) = 0 [pid 7663] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7677] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7676] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7667] mkdirat(AT_FDCWD, "./file0", 000 [pid 7663] <... futex resumed>) = 0 [pid 5051] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7678] <... rseq resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 7663] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7667] <... mkdirat resumed>) = 0 [pid 7678] rt_sigprocmask(SIG_SETMASK, [], [pid 7667] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7667] <... futex resumed>) = 1 [pid 7663] <... futex resumed>) = 0 [pid 7678] memfd_create("syzkaller", 0 [pid 7667] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7663] exit_group(0 [pid 7678] <... memfd_create resumed>) = 3 [pid 7667] <... futex resumed>) = ? [pid 7663] <... exit_group resumed>) = ? [pid 7678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7667] +++ exited with 0 +++ [pid 7663] +++ exited with 0 +++ [pid 7678] <... mmap resumed>) = 0x7f8720789000 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7663, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7677] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7676] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7670] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7666] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7666] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7670] <... futex resumed>) = 1 [pid 7666] <... futex resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./145/binderfs", [pid 7677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7670] mkdirat(AT_FDCWD, "./file0", 000 [pid 7677] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7666] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 7677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7670] <... mkdirat resumed>) = 0 [pid 5051] unlink("./145/binderfs" [pid 5055] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7677] <... mmap resumed>) = 0x7f8728b89000 [pid 7670] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 5051] <... unlink resumed>) = 0 [pid 7677] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] newfstatat(3, "", [pid 5051] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7670] <... futex resumed>) = 1 [pid 7666] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7666] exit_group(0) = ? [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 249.678016][ T29] audit: type=1800 audit(1698988394.384:852): pid=7667 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 5055] unlink("./139/binderfs" [pid 7677] <... mprotect resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5055] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7677] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7670] +++ exited with 0 +++ [pid 7666] +++ exited with 0 +++ [pid 7677] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7666, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7677] <... clone3 resumed> => {parent_tid=[7679]}, 88) = 7679 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 7677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5056] <... restart_syscall resumed>) = 0 [pid 7677] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7677] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, ./strace-static-x86_64: Process 7679 attached 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7679] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5056] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7679] <... rseq resumed>) = 0 [pid 7679] set_robust_list(0x7f8728ba99a0, 24 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = 0 [pid 7679] <... set_robust_list resumed>) = 0 [pid 7679] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] newfstatat(AT_FDCWD, "./141/binderfs", [pid 7679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7679] memfd_create("syzkaller", 0 [pid 7678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] unlink("./141/binderfs" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7679] <... memfd_create resumed>) = 3 [pid 5056] <... unlink resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./141/file0", [pid 7679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7679] <... mmap resumed>) = 0x7f8720789000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, [pid 5051] <... umount2 resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./141/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./141") = 0 [pid 5053] mkdir("./142", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7680 [pid 5051] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7680 attached [pid 5051] newfstatat(AT_FDCWD, "./145/file0", [pid 7680] set_robust_list(0x55555656d6a0, 24 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7680] <... set_robust_list resumed>) = 0 [pid 7680] chdir("./142") = 0 [pid 5051] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7680] setpgid(0, 0) = 0 [pid 7680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7680] write(3, "1000", 4) = 4 [pid 7680] close(3) = 0 [pid 7680] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7680] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7680] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7680] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] <... openat resumed>) = 4 [pid 7680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] newfstatat(4, "", [pid 7680] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] getdents64(4, [pid 7680] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7680] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] getdents64(4, [pid 7680] <... mprotect resumed>) = 0 [pid 7680] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./145/file0" [pid 7680] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... rmdir resumed>) = 0 [pid 7680] <... clone3 resumed> => {parent_tid=[7681]}, 88) = 7681 [pid 7680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7680] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7681 attached ) = 0 [pid 7679] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5051] getdents64(3, [pid 7680] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7681] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7681] <... rseq resumed>) = 0 [pid 5051] close(3 [pid 7681] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 5051] <... close resumed>) = 0 [pid 7681] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] rmdir("./145" [pid 7681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7681] memfd_create("syzkaller", 0 [pid 5051] mkdir("./146", 0777 [pid 7681] <... memfd_create resumed>) = 3 [pid 5051] <... mkdir resumed>) = 0 [pid 7681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7681] <... mmap resumed>) = 0x7f8720789000 [pid 5051] close(3 [pid 5055] <... umount2 resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7678] <... write resumed>) = 4194304 [pid 5055] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./139/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7682 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./139/file0") = 0 ./strace-static-x86_64: Process 7682 attached [pid 7678] munmap(0x7f8720789000, 138412032 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 7682] set_robust_list(0x55555656d6a0, 24 [pid 7678] <... munmap resumed>) = 0 [pid 5055] rmdir("./139" [pid 7682] <... set_robust_list resumed>) = 0 [pid 7678] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5055] <... rmdir resumed>) = 0 [pid 7682] chdir("./146") = 0 [pid 7681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7678] <... openat resumed>) = 4 [pid 5055] mkdir("./140", 0777 [pid 7682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7678] ioctl(4, LOOP_SET_FD, 3 [pid 5055] <... mkdir resumed>) = 0 [pid 7682] <... prctl resumed>) = 0 [pid 7682] setpgid(0, 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7682] <... setpgid resumed>) = 0 [pid 7682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7682] write(3, "1000", 4 [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 7682] <... write resumed>) = 4 [pid 7682] close(3) = 0 [pid 7682] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7678] <... ioctl resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7678] close(3 [pid 7682] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7683 attached [pid 7682] <... futex resumed>) = 0 [pid 7678] mkdir("./file0", 0777 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7683 [pid 7683] set_robust_list(0x55555656d6a0, 24 [pid 7682] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7678] <... mkdir resumed>) = 0 [pid 5056] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7683] <... set_robust_list resumed>) = 0 [pid 7682] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7678] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7683] chdir("./140") = 0 [pid 7683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7682] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7683] <... prctl resumed>) = 0 [pid 7682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7683] setpgid(0, 0 [pid 5056] newfstatat(AT_FDCWD, "./141/file0", [pid 7683] <... setpgid resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 249.991551][ T7678] loop3: detected capacity change from 0 to 8192 [pid 5056] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7683] <... openat resumed>) = 3 [pid 7682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7683] write(3, "1000", 4 [pid 5056] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7683] <... write resumed>) = 4 [pid 7682] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... openat resumed>) = 4 [pid 7683] close(3 [pid 7682] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] newfstatat(4, "", [pid 7683] <... close resumed>) = 0 [pid 7682] <... mprotect resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7683] symlink("/dev/binderfs", "./binderfs" [pid 5056] getdents64(4, [pid 7683] <... symlink resumed>) = 0 [pid 7682] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7683] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7682] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] getdents64(4, [pid 7683] <... futex resumed>) = 0 [pid 7682] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7683] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, ./strace-static-x86_64: Process 7685 attached NULL, 8) = 0 [pid 7681] <... write resumed>) = 4194304 [pid 7679] <... write resumed>) = 4194304 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7685] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7682] <... clone3 resumed> => {parent_tid=[7685]}, 88) = 7685 [pid 7681] munmap(0x7f8720789000, 138412032 [pid 7685] <... rseq resumed>) = 0 [pid 7683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7682] rt_sigprocmask(SIG_SETMASK, [], [pid 7681] <... munmap resumed>) = 0 [pid 7679] munmap(0x7f8720789000, 138412032 [pid 5056] close(4 [pid 7685] set_robust_list(0x7f8728ba99a0, 24 [pid 7682] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7685] <... set_robust_list resumed>) = 0 [pid 7683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7682] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7685] rt_sigprocmask(SIG_SETMASK, [], [pid 7683] <... mmap resumed>) = 0x7f8728b89000 [pid 7682] <... futex resumed>) = 0 [pid 7685] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7682] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7679] <... munmap resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 7685] memfd_create("syzkaller", 0 [pid 7683] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7681] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7683] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7681] <... openat resumed>) = 4 [pid 7683] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7681] ioctl(4, LOOP_SET_FD, 3 [pid 7685] <... memfd_create resumed>) = 3 [pid 7681] <... ioctl resumed>) = 0 [pid 7679] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5056] rmdir("./141/file0"./strace-static-x86_64: Process 7686 attached [pid 7683] <... clone3 resumed> => {parent_tid=[7686]}, 88) = 7686 [pid 7686] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7683] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... rmdir resumed>) = 0 [pid 7686] <... rseq resumed>) = 0 [pid 7685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7683] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7679] <... openat resumed>) = 4 [pid 5056] getdents64(3, [pid 7686] set_robust_list(0x7f8728ba99a0, 24 [pid 7685] <... mmap resumed>) = 0x7f8720789000 [pid 7683] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7686] <... set_robust_list resumed>) = 0 [pid 7683] <... futex resumed>) = 0 [pid 7686] rt_sigprocmask(SIG_SETMASK, [], [pid 7683] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7686] memfd_create("syzkaller", 0) = 3 [ 250.065206][ T7678] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.078464][ T7678] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 250.088195][ T7678] REISERFS (device loop3): using ordered data mode [ 250.095332][ T7681] loop2: detected capacity change from 0 to 8192 [ 250.095786][ T7678] reiserfs: using flush barriers [pid 7686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7681] close(3 [pid 7679] <... ioctl resumed>) = 0 [pid 5056] close(3 [pid 7686] <... mmap resumed>) = 0x7f8720789000 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./141" [pid 7681] <... close resumed>) = 0 [pid 7679] close(3 [pid 7681] mkdir("./file0", 0777 [pid 7679] <... close resumed>) = 0 [pid 7681] <... mkdir resumed>) = 0 [pid 7679] mkdir("./file0", 0777) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 7681] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7679] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] mkdir("./142", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7686] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 250.110227][ T7679] loop1: detected capacity change from 0 to 8192 [ 250.135057][ T7681] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.148824][ T7679] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7685] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [ 250.162527][ T7678] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.179910][ T7681] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 250.189939][ T7679] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 250.200785][ T7678] REISERFS (device loop3): checking transaction log (loop3) [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7689 ./strace-static-x86_64: Process 7689 attached [pid 7689] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7689] chdir("./142") = 0 [pid 7689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7685] <... write resumed>) = 4194304 [pid 7689] setpgid(0, 0) = 0 [pid 7689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7689] write(3, "1000", 4) = 4 [pid 7689] close(3) = 0 [pid 7689] symlink("/dev/binderfs", "./binderfs") = 0 [ 250.209740][ T7681] REISERFS (device loop2): using ordered data mode [ 250.233507][ T7679] REISERFS (device loop1): using ordered data mode [ 250.246246][ T7678] REISERFS (device loop3): Using tea hash to sort names [ 250.255766][ T7678] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7689] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7685] munmap(0x7f8720789000, 138412032 [pid 7678] <... mount resumed>) = 0 [pid 7689] <... futex resumed>) = 0 [pid 7689] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7685] <... munmap resumed>) = 0 [pid 7689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7685] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7685] <... openat resumed>) = 4 [pid 7689] <... mmap resumed>) = 0x7f8728b89000 [ 250.266381][ T7681] reiserfs: using flush barriers [ 250.266503][ T7679] reiserfs: using flush barriers [ 250.276088][ T7685] loop0: detected capacity change from 0 to 8192 [ 250.279214][ T7679] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.287207][ T7681] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7685] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7678] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7689] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7686] <... write resumed>) = 4194304 [pid 7678] <... openat resumed>) = 3 [pid 7685] close(3) = 0 [pid 7685] mkdir("./file0", 0777) = 0 [pid 7689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7685] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, ""./strace-static-x86_64: Process 7690 attached [pid 7689] <... clone3 resumed> => {parent_tid=[7690]}, 88) = 7690 [pid 7678] chdir("./file0" [pid 7690] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7678] <... chdir resumed>) = 0 [pid 7690] <... rseq resumed>) = 0 [pid 7678] ioctl(4, LOOP_CLR_FD [pid 7690] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7689] rt_sigprocmask(SIG_SETMASK, [], [pid 7678] <... ioctl resumed>) = 0 [pid 7689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7686] munmap(0x7f8720789000, 138412032 [pid 7689] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7686] <... munmap resumed>) = 0 [pid 7689] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7686] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7686] ioctl(4, LOOP_SET_FD, 3 [pid 7690] rt_sigprocmask(SIG_SETMASK, [], [pid 7679] <... mount resumed>) = 0 [ 250.299676][ T7679] REISERFS (device loop1): checking transaction log (loop1) [ 250.323341][ T7679] REISERFS (device loop1): Using tea hash to sort names [ 250.331647][ T7679] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 250.337692][ T7686] loop4: detected capacity change from 0 to 8192 [ 250.341965][ T7681] REISERFS (device loop2): checking transaction log (loop2) [pid 7678] close(4 [pid 7686] <... ioctl resumed>) = 0 [pid 7690] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7679] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7678] <... close resumed>) = 0 [pid 7690] memfd_create("syzkaller", 0 [pid 7679] <... openat resumed>) = 3 [pid 7678] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] chdir("./file0" [pid 7678] <... futex resumed>) = 1 [pid 7679] <... chdir resumed>) = 0 [pid 7678] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7679] ioctl(4, LOOP_CLR_FD [pid 7690] <... memfd_create resumed>) = 3 [pid 7690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7679] <... ioctl resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 7676] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... futex resumed>) = 0 [pid 7676] <... futex resumed>) = 1 [pid 7678] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7676] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7690] <... mmap resumed>) = 0x7f8720789000 [pid 7679] close(4 [pid 7678] <... open resumed>) = 4 [pid 7686] close(3 [pid 7678] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7676] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7676] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7686] <... close resumed>) = 0 [pid 7678] ftruncate(4, 33587195 [pid 7686] mkdir("./file0", 0777) = 0 [pid 7679] <... close resumed>) = 0 [pid 7686] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7679] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7678] <... ftruncate resumed>) = 0 [pid 7677] <... futex resumed>) = 0 [pid 7679] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7678] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] <... futex resumed>) = 1 [pid 7677] <... futex resumed>) = 0 [pid 7676] <... futex resumed>) = 0 [pid 7678] creat("./bus", 040 [pid 7677] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7676] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7676] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] <... creat resumed>) = 5 [pid 7679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 250.350067][ T7685] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.370225][ T7681] REISERFS (device loop2): Using tea hash to sort names [ 250.378048][ T7681] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 250.393757][ T7685] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 250.402988][ T7685] REISERFS (device loop0): using ordered data mode [pid 7678] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7678] <... futex resumed>) = 1 [pid 7676] <... futex resumed>) = 0 [pid 7676] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7676] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7678] mkdirat(AT_FDCWD, "./file0", 000 [pid 7679] <... open resumed>) = 4 [pid 7678] <... mkdirat resumed>) = 0 [pid 7679] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7677] <... futex resumed>) = 0 [pid 7678] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] ftruncate(4, 33587195 [pid 7678] <... futex resumed>) = 1 [pid 7677] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7676] <... futex resumed>) = 0 [pid 7676] exit_group(0) = ? [pid 7681] <... mount resumed>) = 0 [pid 7679] <... ftruncate resumed>) = 0 [pid 7677] <... futex resumed>) = 0 [pid 7681] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7679] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7678] +++ exited with 0 +++ [pid 7677] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7676] +++ exited with 0 +++ [pid 7679] <... futex resumed>) = 0 [pid 7677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7679] creat("./bus", 040 [pid 7677] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] <... creat resumed>) = 5 [pid 7677] <... futex resumed>) = 0 [pid 7677] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7681] <... openat resumed>) = 3 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7676, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 7679] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7677] <... futex resumed>) = 0 [pid 7677] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7677] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7679] <... futex resumed>) = 1 [ 250.410266][ T7686] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.434433][ T7685] reiserfs: using flush barriers [ 250.442108][ T7686] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 7679] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7681] chdir("./file0") = 0 [pid 7681] ioctl(4, LOOP_CLR_FD [pid 5054] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7681] <... ioctl resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7681] close(4 [pid 5054] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7681] <... close resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 7690] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7681] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(3, "", [pid 7681] <... futex resumed>) = 1 [pid 7680] <... futex resumed>) = 0 [ 250.452593][ T7685] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.469692][ T7685] REISERFS (device loop0): checking transaction log (loop0) [ 250.472508][ T7686] REISERFS (device loop4): using ordered data mode [ 250.488972][ T7686] reiserfs: using flush barriers [ 250.495951][ T7685] REISERFS (device loop0): Using tea hash to sort names [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7681] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7680] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7679] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 7681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7680] <... futex resumed>) = 0 [pid 7679] <... futex resumed>) = 1 [pid 7677] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7681] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7680] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7679] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7677] exit_group(0 [pid 5054] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7681] <... open resumed>) = 4 [pid 7679] <... futex resumed>) = ? [pid 7677] <... exit_group resumed>) = ? [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7679] +++ exited with 0 +++ [pid 7677] +++ exited with 0 +++ [pid 5054] newfstatat(AT_FDCWD, "./139/binderfs", [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7677, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7690] <... write resumed>) = 4194304 [pid 7681] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7680] <... futex resumed>) = 0 [pid 5054] unlink("./139/binderfs" [pid 7681] ftruncate(4, 33587195 [pid 7680] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 5052] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7680] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7690] munmap(0x7f8720789000, 138412032 [pid 7685] <... mount resumed>) = 0 [pid 7681] <... ftruncate resumed>) = 0 [pid 7681] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7681] <... futex resumed>) = 1 [pid 7680] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7681] creat("./bus", 040 [pid 7680] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 250.509147][ T7686] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 250.541052][ T7685] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 250.551546][ T7686] REISERFS (device loop4): checking transaction log (loop4) [pid 5052] newfstatat(3, "", [pid 7690] <... munmap resumed>) = 0 [pid 7685] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7681] <... creat resumed>) = 5 [pid 7680] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7690] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7685] <... openat resumed>) = 3 [pid 7680] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] getdents64(3, [pid 7690] <... openat resumed>) = 4 [pid 7685] chdir("./file0" [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7681] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7681] <... futex resumed>) = 1 [pid 7680] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7681] mkdirat(AT_FDCWD, "./file0", 000 [pid 7680] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./143/binderfs", [pid 7681] <... mkdirat resumed>) = 0 [pid 7680] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7685] <... chdir resumed>) = 0 [pid 7681] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7680] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] unlink("./143/binderfs" [pid 7690] ioctl(4, LOOP_SET_FD, 3 [pid 7685] ioctl(4, LOOP_CLR_FD [pid 7681] <... futex resumed>) = 0 [pid 7680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... unlink resumed>) = 0 [pid 7681] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7680] exit_group(0 [pid 5052] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7681] <... futex resumed>) = ? [pid 7680] <... exit_group resumed>) = ? [pid 7681] +++ exited with 0 +++ [pid 7680] +++ exited with 0 +++ [pid 7685] <... ioctl resumed>) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7680, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7685] close(4 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 7685] <... close resumed>) = 0 [pid 5053] <... restart_syscall resumed>) = 0 [pid 5053] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7685] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", [pid 7690] <... ioctl resumed>) = 0 [pid 7685] <... futex resumed>) = 1 [pid 7682] <... futex resumed>) = 0 [pid 7690] close(3 [pid 7685] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7682] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7690] <... close resumed>) = 0 [pid 7685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7682] <... futex resumed>) = 0 [pid 7690] mkdir("./file0", 0777 [pid 7685] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7682] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7690] <... mkdir resumed>) = 0 [pid 7685] <... open resumed>) = 4 [pid 5053] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7685] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7690] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7685] <... futex resumed>) = 1 [pid 7682] <... futex resumed>) = 0 [pid 7685] ftruncate(4, 33587195 [pid 7682] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./142/binderfs", [pid 7682] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7686] <... mount resumed>) = 0 [pid 7685] <... ftruncate resumed>) = 0 [pid 7682] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7686] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7685] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7686] <... openat resumed>) = 3 [pid 7685] <... futex resumed>) = 0 [ 250.563267][ T7686] REISERFS (device loop4): Using tea hash to sort names [ 250.571289][ T7686] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 250.587517][ T7690] loop5: detected capacity change from 0 to 8192 [pid 7685] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] chdir("./file0" [pid 7682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5053] unlink("./142/binderfs" [pid 7686] <... chdir resumed>) = 0 [pid 7686] ioctl(4, LOOP_CLR_FD [pid 5053] <... unlink resumed>) = 0 [pid 7682] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7685] <... futex resumed>) = 0 [pid 7685] creat("./bus", 040 [pid 7682] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7685] <... creat resumed>) = 5 [pid 5053] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7686] <... ioctl resumed>) = 0 [pid 7686] close(4) = 0 [pid 7686] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7686] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7685] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7685] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7682] <... futex resumed>) = 0 [pid 7682] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7683] <... futex resumed>) = 0 [pid 7682] <... futex resumed>) = 1 [pid 7683] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7682] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7685] <... futex resumed>) = 0 [pid 7685] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7683] <... futex resumed>) = 1 [pid 7686] <... futex resumed>) = 0 [pid 7683] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7686] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7685] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7682] <... futex resumed>) = 0 [pid 7685] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7686] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7683] <... futex resumed>) = 0 [pid 7683] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7683] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7682] exit_group(0) = ? [pid 7685] <... futex resumed>) = ? [pid 7685] +++ exited with 0 +++ [pid 7682] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7682, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 7686] ftruncate(4, 33587195 [ 250.635387][ T7690] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 250.649094][ T7690] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 250.660846][ T7690] REISERFS (device loop5): using ordered data mode [pid 5051] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7686] <... ftruncate resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7686] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7683] <... futex resumed>) = 0 [pid 7683] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7683] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] newfstatat(3, "", [pid 7686] creat("./bus", 040) = 5 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7686] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7683] <... futex resumed>) = 0 [pid 7683] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7683] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 250.693677][ T7690] reiserfs: using flush barriers [pid 5051] newfstatat(AT_FDCWD, "./146/binderfs", [pid 7686] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7686] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7683] <... futex resumed>) = 0 [pid 7683] exit_group(0) = ? [pid 7686] +++ exited with 0 +++ [pid 7683] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7683, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5055] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] unlink("./146/binderfs" [pid 5055] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... unlink resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5051] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 250.715248][ T7690] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5055] newfstatat(AT_FDCWD, "./140/binderfs", [pid 5052] <... umount2 resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5052] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./143/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./139/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] rmdir("./143/file0" [pid 5054] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... rmdir resumed>) = 0 [pid 5055] unlink("./140/binderfs" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... unlink resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5052] getdents64(3, [pid 5054] newfstatat(4, "", [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [ 250.774604][ T7690] REISERFS (device loop5): checking transaction log (loop5) [ 250.795091][ T7690] REISERFS (device loop5): Using tea hash to sort names [pid 5055] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] close(3 [pid 7690] <... mount resumed>) = 0 [pid 5054] getdents64(4, [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7690] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5053] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7690] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] rmdir("./143" [pid 5053] newfstatat(AT_FDCWD, "./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7690] chdir("./file0" [pid 5054] getdents64(4, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... rmdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] close(4 [pid 7690] <... chdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 5052] mkdir("./144", 0777 [pid 5054] rmdir("./139/file0" [ 250.818392][ T7690] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5053] newfstatat(4, "", [pid 7690] ioctl(4, LOOP_CLR_FD [pid 5054] <... rmdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 7690] <... ioctl resumed>) = 0 [pid 5054] getdents64(3, [pid 5053] getdents64(4, [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5054] <... close resumed>) = 0 [pid 5053] getdents64(4, [pid 5052] <... openat resumed>) = 3 [pid 7690] close(4 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7690] <... close resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7690] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 7690] <... futex resumed>) = 1 [pid 7689] <... futex resumed>) = 0 [pid 5054] rmdir("./139" [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... close resumed>) = 0 [pid 7690] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7689] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7690] <... open resumed>) = 4 [pid 7689] <... futex resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] close(4 [pid 7689] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7694 attached [pid 5054] mkdir("./140", 0777 [pid 5053] <... close resumed>) = 0 [pid 7690] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] rmdir("./142/file0" [pid 7690] <... futex resumed>) = 1 [pid 7689] <... futex resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 7689] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7689] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7690] ftruncate(4, 33587195 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7694] set_robust_list(0x55555656d6a0, 24 [pid 5053] <... rmdir resumed>) = 0 [pid 7694] <... set_robust_list resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5053] getdents64(3, [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7694 [pid 7694] chdir("./144" [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 5053] close(3 [pid 7694] <... chdir resumed>) = 0 [pid 7690] <... ftruncate resumed>) = 0 [pid 7694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... umount2 resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 7694] <... prctl resumed>) = 0 [pid 7690] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] rmdir("./142" [pid 7694] setpgid(0, 0 [pid 7690] <... futex resumed>) = 1 [pid 7689] <... futex resumed>) = 0 [pid 7690] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... rmdir resumed>) = 0 [pid 7694] <... setpgid resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7689] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] mkdir("./143", 0777./strace-static-x86_64: Process 7695 attached [pid 7694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7690] creat("./bus", 040 [pid 7694] <... openat resumed>) = 3 [pid 7690] <... creat resumed>) = 5 [pid 7689] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... mkdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7694] write(3, "1000", 4 [pid 5055] newfstatat(AT_FDCWD, "./140/file0", [pid 7695] set_robust_list(0x55555656d6a0, 24 [pid 5053] <... openat resumed>) = 3 [pid 7694] <... write resumed>) = 4 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7695 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7694] close(3 [pid 5055] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7695] <... set_robust_list resumed>) = 0 [pid 7694] <... close resumed>) = 0 [pid 7690] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] close(3 [pid 7695] chdir("./140" [pid 7690] <... futex resumed>) = 1 [pid 7689] <... futex resumed>) = 0 [pid 7695] <... chdir resumed>) = 0 [pid 7694] symlink("/dev/binderfs", "./binderfs" [pid 7690] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... close resumed>) = 0 [pid 7695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7694] <... symlink resumed>) = 0 [pid 7690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7689] <... futex resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... umount2 resumed>) = 0 [pid 7695] <... prctl resumed>) = 0 [pid 7694] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7690] mkdirat(AT_FDCWD, "./file0", 000 [pid 7689] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... openat resumed>) = 4 [pid 7695] setpgid(0, 0 [pid 7694] <... futex resumed>) = 0 [pid 7690] <... mkdirat resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 5051] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7696 attached [pid 7695] <... setpgid resumed>) = 0 [pid 7695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7690] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7696] set_robust_list(0x55555656d6a0, 24 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7696 [pid 7694] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7694] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] getdents64(4, [pid 7696] <... set_robust_list resumed>) = 0 [pid 7696] chdir("./143" [pid 7695] <... openat resumed>) = 3 [pid 7694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7690] <... futex resumed>) = 1 [pid 7689] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7696] <... chdir resumed>) = 0 [pid 7695] write(3, "1000", 4 [pid 7694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7690] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7689] exit_group(0 [pid 7696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7695] <... write resumed>) = 4 [pid 7694] <... mmap resumed>) = 0x7f8728b89000 [pid 7690] <... futex resumed>) = ? [pid 7689] <... exit_group resumed>) = ? [pid 7696] <... prctl resumed>) = 0 [pid 7695] close(3 [pid 7694] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7690] +++ exited with 0 +++ [pid 7689] +++ exited with 0 +++ [pid 5055] getdents64(4, [pid 5051] newfstatat(AT_FDCWD, "./146/file0", [pid 7696] setpgid(0, 0 [pid 7695] <... close resumed>) = 0 [pid 7694] <... mprotect resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7689, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7696] <... setpgid resumed>) = 0 [pid 7695] symlink("/dev/binderfs", "./binderfs" [pid 7694] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] close(4 [pid 5051] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7695] <... symlink resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7696] <... openat resumed>) = 3 [pid 7695] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] rmdir("./140/file0" [pid 5051] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7695] <... futex resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] <... openat resumed>) = 4 [pid 7696] write(3, "1000", 4 [pid 7695] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7694] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] getdents64(3, [pid 5051] newfstatat(4, "", [pid 7696] <... write resumed>) = 4 [pid 7695] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7694] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7696] close(3 [pid 7695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] close(3 [pid 5051] getdents64(4, ./strace-static-x86_64: Process 7697 attached [pid 7696] <... close resumed>) = 0 [pid 7695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7697] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7696] symlink("/dev/binderfs", "./binderfs" [pid 7695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] rmdir("./140" [pid 5051] getdents64(4, [pid 7697] <... rseq resumed>) = 0 [pid 7695] <... mmap resumed>) = 0x7f8728b89000 [pid 7696] <... symlink resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7697] set_robust_list(0x7f8728ba99a0, 24 [pid 7696] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7694] <... clone3 resumed> => {parent_tid=[7697]}, 88) = 7697 [pid 5056] <... openat resumed>) = 3 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] close(4 [pid 7697] <... set_robust_list resumed>) = 0 [pid 7696] <... futex resumed>) = 0 [pid 7695] <... mprotect resumed>) = 0 [pid 7694] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] newfstatat(3, "", [pid 5055] mkdir("./141", 0777 [pid 5051] <... close resumed>) = 0 [pid 7697] rt_sigprocmask(SIG_SETMASK, [], [pid 7696] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7695] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] rmdir("./146/file0" [pid 7697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7696] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7695] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7697] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] getdents64(3, ./strace-static-x86_64: Process 7698 attached [pid 5051] getdents64(3, [pid 7698] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7695] <... clone3 resumed> => {parent_tid=[7698]}, 88) = 7698 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7698] <... rseq resumed>) = 0 [pid 7696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7695] rt_sigprocmask(SIG_SETMASK, [], [pid 7694] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7698] set_robust_list(0x7f8728ba99a0, 24 [pid 7696] <... mmap resumed>) = 0x7f8728b89000 [pid 7695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7694] <... futex resumed>) = 1 [pid 7698] <... set_robust_list resumed>) = 0 [pid 7697] <... futex resumed>) = 0 [pid 7695] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... openat resumed>) = 3 [pid 5051] close(3 [pid 7698] rt_sigprocmask(SIG_SETMASK, [], [pid 7697] memfd_create("syzkaller", 0 [pid 7696] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7695] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5051] <... close resumed>) = 0 [pid 7698] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7697] <... memfd_create resumed>) = 3 [pid 7695] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] rmdir("./146" [pid 7698] memfd_create("syzkaller", 0 [pid 7697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7696] <... mprotect resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./142/binderfs", [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7698] <... memfd_create resumed>) = 3 [pid 7697] <... mmap resumed>) = 0x7f8720789000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] close(3 [pid 5051] <... rmdir resumed>) = 0 [pid 7696] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] unlink("./142/binderfs" [pid 5055] <... close resumed>) = 0 [pid 7698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7699 attached [pid 7696] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5051] mkdir("./147", 0777 [pid 7699] set_robust_list(0x55555656d6a0, 24 [pid 7696] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7699 [pid 7699] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7700 attached [pid 7699] chdir("./141" [pid 5051] <... mkdir resumed>) = 0 [pid 7700] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7700] set_robust_list(0x7f8728ba99a0, 24 [pid 7699] <... chdir resumed>) = 0 [pid 7700] <... set_robust_list resumed>) = 0 [pid 7699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7700] rt_sigprocmask(SIG_SETMASK, [], [pid 7696] <... clone3 resumed> => {parent_tid=[7700]}, 88) = 7700 [pid 7700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7699] <... prctl resumed>) = 0 [pid 7700] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7699] setpgid(0, 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7699] <... setpgid resumed>) = 0 [pid 7696] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... openat resumed>) = 3 [pid 7696] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7696] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7696] <... futex resumed>) = 1 [pid 7699] <... openat resumed>) = 3 [pid 7700] <... futex resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7696] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7700] memfd_create("syzkaller", 0 [pid 5051] close(3 [pid 7699] write(3, "1000", 4) = 4 [pid 7699] close(3) = 0 [pid 7700] <... memfd_create resumed>) = 3 [pid 7699] symlink("/dev/binderfs", "./binderfs" [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7701 attached [pid 7700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7699] <... symlink resumed>) = 0 [pid 7701] set_robust_list(0x55555656d6a0, 24 [pid 7700] <... mmap resumed>) = 0x7f8720789000 [pid 7699] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7701] <... set_robust_list resumed>) = 0 [pid 7699] <... futex resumed>) = 0 [pid 7701] chdir("./147") = 0 [pid 7701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7699] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7701 [pid 7701] <... prctl resumed>) = 0 [pid 7701] setpgid(0, 0) = 0 [pid 7701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7701] write(3, "1000", 4) = 4 [pid 7701] close(3) = 0 [pid 7701] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7701] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7699] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7701] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7698] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7701] <... mmap resumed>) = 0x7f8728b89000 [pid 7699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7701] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7701] <... mprotect resumed>) = 0 [pid 7699] <... mmap resumed>) = 0x7f8728b89000 [pid 7699] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7701] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7699] <... mprotect resumed>) = 0 [pid 7701] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7699] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7699] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7703 attached ./strace-static-x86_64: Process 7702 attached [pid 7701] <... clone3 resumed> => {parent_tid=[7702]}, 88) = 7702 [pid 7703] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7702] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7701] rt_sigprocmask(SIG_SETMASK, [], [pid 7699] <... clone3 resumed> => {parent_tid=[7703]}, 88) = 7703 [pid 7703] <... rseq resumed>) = 0 [pid 7702] <... rseq resumed>) = 0 [pid 7701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7699] rt_sigprocmask(SIG_SETMASK, [], [pid 7703] set_robust_list(0x7f8728ba99a0, 24 [pid 7702] set_robust_list(0x7f8728ba99a0, 24 [pid 7701] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7703] <... set_robust_list resumed>) = 0 [pid 7702] <... set_robust_list resumed>) = 0 [pid 7701] <... futex resumed>) = 0 [pid 7699] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7703] rt_sigprocmask(SIG_SETMASK, [], [pid 7702] rt_sigprocmask(SIG_SETMASK, [], [pid 7701] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7699] <... futex resumed>) = 0 [pid 7697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7702] memfd_create("syzkaller", 0 [pid 7703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7702] <... memfd_create resumed>) = 3 [pid 7699] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7703] memfd_create("syzkaller", 0) = 3 [pid 7702] <... mmap resumed>) = 0x7f8720789000 [pid 7703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... umount2 resumed>) = 0 [pid 7703] <... mmap resumed>) = 0x7f8720789000 [pid 5056] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7703] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7702] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./142/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./142") = 0 [pid 5056] mkdir("./143", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 7700] <... write resumed>) = 4194304 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7700] munmap(0x7f8720789000, 138412032 [pid 5056] close(3) = 0 [pid 7700] <... munmap resumed>) = 0 [pid 7698] <... write resumed>) = 4194304 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7700] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 7704 attached ) = 4 [pid 7700] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7704 [pid 7697] <... write resumed>) = 4194304 [pid 7698] munmap(0x7f8720789000, 138412032) = 0 [pid 7698] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7698] ioctl(4, LOOP_SET_FD, 3 [pid 7704] set_robust_list(0x55555656d6a0, 24 [pid 7700] <... ioctl resumed>) = 0 [pid 7704] <... set_robust_list resumed>) = 0 [pid 7700] close(3 [pid 7697] munmap(0x7f8720789000, 138412032 [pid 7704] chdir("./143" [pid 7700] <... close resumed>) = 0 [pid 7697] <... munmap resumed>) = 0 [pid 7704] <... chdir resumed>) = 0 [pid 7700] mkdir("./file0", 0777 [pid 7704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7703] <... write resumed>) = 4194304 [pid 7704] <... prctl resumed>) = 0 [pid 7703] munmap(0x7f8720789000, 138412032 [pid 7700] <... mkdir resumed>) = 0 [pid 7697] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7704] setpgid(0, 0 [pid 7700] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7697] <... openat resumed>) = 4 [pid 7704] <... setpgid resumed>) = 0 [pid 7698] <... ioctl resumed>) = 0 [pid 7697] ioctl(4, LOOP_SET_FD, 3 [pid 7703] <... munmap resumed>) = 0 [pid 7704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7703] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7698] close(3) = 0 [pid 7698] mkdir("./file0", 0777) = 0 [ 251.297509][ T7700] loop2: detected capacity change from 0 to 8192 [ 251.310032][ T7698] loop3: detected capacity change from 0 to 8192 [ 251.331455][ T7697] loop1: detected capacity change from 0 to 8192 [pid 7698] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7697] <... ioctl resumed>) = 0 [pid 7704] write(3, "1000", 4 [pid 7702] <... write resumed>) = 4194304 [pid 7697] close(3) = 0 [pid 7702] munmap(0x7f8720789000, 138412032) = 0 [pid 7697] mkdir("./file0", 0777) = 0 [pid 7703] <... openat resumed>) = 4 [pid 7703] ioctl(4, LOOP_SET_FD, 3 [pid 7704] <... write resumed>) = 4 [pid 7697] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7702] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7702] ioctl(4, LOOP_SET_FD, 3 [ 251.342541][ T7700] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.356349][ T7698] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.367772][ T7703] loop4: detected capacity change from 0 to 8192 [ 251.369614][ T7698] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 251.382471][ T7702] loop0: detected capacity change from 0 to 8192 [pid 7704] close(3 [pid 7703] <... ioctl resumed>) = 0 [pid 7702] <... ioctl resumed>) = 0 [pid 7703] close(3 [pid 7702] close(3 [pid 7703] <... close resumed>) = 0 [pid 7702] <... close resumed>) = 0 [pid 7703] mkdir("./file0", 0777 [pid 7702] mkdir("./file0", 0777) = 0 [pid 7704] <... close resumed>) = 0 [pid 7703] <... mkdir resumed>) = 0 [pid 7703] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7702] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7704] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7704] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7704] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 251.385308][ T7700] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 251.394180][ T7697] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.413860][ T7697] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 251.423132][ T7697] REISERFS (device loop1): using ordered data mode [ 251.429945][ T7700] REISERFS (device loop2): using ordered data mode [ 251.430284][ T7698] REISERFS (device loop3): using ordered data mode [ 251.436531][ T7700] reiserfs: using flush barriers [pid 7704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7704] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 251.448466][ T7697] reiserfs: using flush barriers [ 251.450212][ T7700] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.456311][ T7698] reiserfs: using flush barriers [ 251.470078][ T7703] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7710 attached => {parent_tid=[7710]}, 88) = 7710 [pid 7710] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7710] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7704] rt_sigprocmask(SIG_SETMASK, [], [pid 7710] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7704] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] memfd_create("syzkaller", 0 [pid 7704] <... futex resumed>) = 0 [pid 7710] <... memfd_create resumed>) = 3 [pid 7704] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 251.484643][ T7697] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.487989][ T7702] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.517797][ T7703] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 251.527534][ T7698] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.528767][ T7700] REISERFS (device loop2): checking transaction log (loop2) [ 251.551191][ T7703] REISERFS (device loop4): using ordered data mode [ 251.558157][ T7703] reiserfs: using flush barriers [ 251.563683][ T7702] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 251.572953][ T7702] REISERFS (device loop0): using ordered data mode [ 251.580492][ T7698] REISERFS (device loop3): checking transaction log (loop3) [ 251.581302][ T7703] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.595653][ T7697] REISERFS (device loop1): checking transaction log (loop1) [ 251.604921][ T7702] reiserfs: using flush barriers [ 251.619156][ T7698] REISERFS (device loop3): Using tea hash to sort names [ 251.620104][ T7697] REISERFS (device loop1): Using tea hash to sort names [ 251.626238][ T7700] REISERFS (device loop2): Using tea hash to sort names [ 251.634579][ T7697] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7710] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7697] <... mount resumed>) = 0 [pid 7700] <... mount resumed>) = 0 [pid 7698] <... mount resumed>) = 0 [pid 7697] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7698] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7697] chdir("./file0" [pid 7698] <... openat resumed>) = 3 [pid 7697] <... chdir resumed>) = 0 [ 251.640657][ T7698] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 251.650749][ T7703] REISERFS (device loop4): checking transaction log (loop4) [ 251.666795][ T7700] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 251.676555][ T7702] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7700] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7698] chdir("./file0" [pid 7697] ioctl(4, LOOP_CLR_FD [pid 7700] <... openat resumed>) = 3 [pid 7698] <... chdir resumed>) = 0 [pid 7697] <... ioctl resumed>) = 0 [pid 7698] ioctl(4, LOOP_CLR_FD [pid 7697] close(4 [pid 7698] <... ioctl resumed>) = 0 [pid 7697] <... close resumed>) = 0 [pid 7698] close(4 [pid 7697] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7698] <... close resumed>) = 0 [pid 7697] <... futex resumed>) = 1 [pid 7698] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7698] <... futex resumed>) = 1 [pid 7698] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7695] <... futex resumed>) = 0 [pid 7695] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7698] <... futex resumed>) = 0 [pid 7695] <... futex resumed>) = 1 [pid 7698] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7700] chdir("./file0" [pid 7698] <... open resumed>) = 4 [pid 7694] <... futex resumed>) = 0 [pid 7700] <... chdir resumed>) = 0 [pid 7698] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7700] ioctl(4, LOOP_CLR_FD) = 0 [pid 7710] <... write resumed>) = 4194304 [pid 7700] close(4 [pid 7698] <... futex resumed>) = 0 [pid 7695] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7700] <... close resumed>) = 0 [pid 7694] <... futex resumed>) = 1 [pid 7694] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7698] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7697] <... futex resumed>) = 0 [pid 7695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7710] munmap(0x7f8720789000, 138412032 [pid 7698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7697] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7695] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7698] ftruncate(4, 33587195 [pid 7697] <... open resumed>) = 4 [pid 7695] <... futex resumed>) = 0 [pid 7697] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7710] <... munmap resumed>) = 0 [pid 7700] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7698] <... ftruncate resumed>) = 0 [pid 7697] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 7700] <... futex resumed>) = 1 [pid 7696] <... futex resumed>) = 0 [pid 7694] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7700] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] <... futex resumed>) = 0 [pid 7700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7696] <... futex resumed>) = 0 [pid 7694] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7698] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 251.699223][ T7703] REISERFS (device loop4): Using tea hash to sort names [ 251.716494][ T7703] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 251.727973][ T7702] REISERFS (device loop0): checking transaction log (loop0) [pid 7697] ftruncate(4, 33587195 [pid 7710] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7700] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7698] <... futex resumed>) = 1 [pid 7697] <... ftruncate resumed>) = 0 [pid 7696] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7695] <... futex resumed>) = 0 [pid 7697] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7698] creat("./bus", 040 [pid 7697] <... futex resumed>) = 1 [pid 7695] <... futex resumed>) = 0 [pid 7697] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7695] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7710] <... openat resumed>) = 4 [pid 7694] <... futex resumed>) = 0 [pid 7710] ioctl(4, LOOP_SET_FD, 3 [pid 7694] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7703] <... mount resumed>) = 0 [pid 7698] <... creat resumed>) = 5 [pid 7703] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7703] chdir("./file0") = 0 [pid 7703] ioctl(4, LOOP_CLR_FD) = 0 [pid 7703] close(4) = 0 [pid 7703] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7703] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7698] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7695] <... futex resumed>) = 0 [pid 7698] <... futex resumed>) = 1 [pid 7695] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7698] mkdirat(AT_FDCWD, "./file0", 000 [pid 7695] <... futex resumed>) = 0 [pid 7698] <... mkdirat resumed>) = 0 [pid 7695] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7698] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] <... ioctl resumed>) = 0 [pid 7700] <... open resumed>) = 4 [pid 7699] <... futex resumed>) = 0 [pid 7697] <... futex resumed>) = 0 [pid 7694] <... futex resumed>) = 1 [pid 7699] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7700] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] close(3 [pid 7700] <... futex resumed>) = 1 [pid 7699] <... futex resumed>) = 1 [pid 7710] <... close resumed>) = 0 [pid 7696] <... futex resumed>) = 0 [pid 7710] mkdir("./file0", 0777 [pid 7700] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7699] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7696] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7703] <... futex resumed>) = 0 [pid 7698] <... futex resumed>) = 1 [pid 7697] creat("./bus", 040 [pid 7695] <... futex resumed>) = 0 [pid 7710] <... mkdir resumed>) = 0 [pid 7703] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7702] <... mount resumed>) = 0 [pid 7700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7698] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7710] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7702] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7700] ftruncate(4, 33587195 [pid 7697] <... creat resumed>) = 5 [pid 7695] exit_group(0 [pid 7702] <... openat resumed>) = 3 [pid 7703] <... open resumed>) = 4 [pid 7695] <... exit_group resumed>) = ? [pid 7697] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7698] <... futex resumed>) = ? [pid 7703] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] chdir("./file0" [pid 7700] <... ftruncate resumed>) = 0 [ 251.756010][ T7710] loop5: detected capacity change from 0 to 8192 [ 251.763106][ T7702] REISERFS (device loop0): Using tea hash to sort names [ 251.782818][ T7702] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7703] <... futex resumed>) = 1 [pid 7702] <... chdir resumed>) = 0 [pid 7700] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... futex resumed>) = 0 [pid 7698] +++ exited with 0 +++ [pid 7697] <... futex resumed>) = 1 [pid 7695] +++ exited with 0 +++ [pid 7694] <... futex resumed>) = 0 [pid 7699] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] <... futex resumed>) = 0 [pid 7694] <... futex resumed>) = 0 [pid 7699] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7694] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7703] ftruncate(4, 33587195 [pid 7702] ioctl(4, LOOP_CLR_FD [pid 7700] <... futex resumed>) = 1 [pid 7697] mkdirat(AT_FDCWD, "./file0", 000 [pid 7696] <... futex resumed>) = 0 [pid 7702] <... ioctl resumed>) = 0 [pid 7700] creat("./bus", 040 [pid 7696] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7695, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- [pid 7702] close(4 [pid 7696] <... futex resumed>) = 0 [pid 7702] <... close resumed>) = 0 [pid 7696] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 7702] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] <... mkdirat resumed>) = 0 [pid 7703] <... ftruncate resumed>) = 0 [pid 7702] <... futex resumed>) = 1 [pid 7697] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... restart_syscall resumed>) = 0 [pid 7703] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7703] <... futex resumed>) = 1 [pid 7699] <... futex resumed>) = 0 [ 251.803606][ T7710] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 251.817800][ T7710] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 251.827680][ T7710] REISERFS (device loop5): using ordered data mode [ 251.834564][ T7710] reiserfs: using flush barriers [pid 7703] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7699] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7700] <... creat resumed>) = 5 [pid 7699] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7703] creat("./bus", 040 [pid 7699] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7701] <... futex resumed>) = 0 [pid 7700] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7697] <... futex resumed>) = 1 [pid 7694] <... futex resumed>) = 0 [pid 7701] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7703] <... creat resumed>) = 5 [pid 7702] <... futex resumed>) = 0 [pid 7701] <... futex resumed>) = 1 [pid 7700] <... futex resumed>) = 1 [pid 7697] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] <... futex resumed>) = 0 [pid 7694] exit_group(0 [pid 5054] <... openat resumed>) = 3 [pid 7701] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7700] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7697] <... futex resumed>) = ? [pid 7696] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7694] <... exit_group resumed>) = ? [pid 7702] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7697] +++ exited with 0 +++ [pid 5054] newfstatat(3, "", [pid 7700] mkdirat(AT_FDCWD, "./file0", 000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7700] <... mkdirat resumed>) = 0 [pid 7696] <... futex resumed>) = 0 [pid 7694] +++ exited with 0 +++ [pid 7696] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7700] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7694, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 7700] <... futex resumed>) = 1 [pid 7702] <... open resumed>) = 4 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7703] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7700] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7696] <... futex resumed>) = 0 [pid 5054] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 7696] exit_group(0 [pid 5052] <... restart_syscall resumed>) = 0 [pid 7696] <... exit_group resumed>) = ? [pid 7700] <... futex resumed>) = ? [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 251.846384][ T7710] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 251.864703][ T7710] REISERFS (device loop5): checking transaction log (loop5) [pid 7703] <... futex resumed>) = 1 [pid 7700] +++ exited with 0 +++ [pid 7699] <... futex resumed>) = 0 [pid 7696] +++ exited with 0 +++ [pid 5054] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./140/binderfs") = 0 [pid 5054] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7703] mkdirat(AT_FDCWD, "./file0", 000 [pid 7702] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7696, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5052] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7699] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7703] <... mkdirat resumed>) = 0 [pid 7702] <... futex resumed>) = 1 [pid 7701] <... futex resumed>) = 0 [pid 7699] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7702] ftruncate(4, 33587195 [pid 7701] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7701] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7703] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... openat resumed>) = 3 [pid 7703] <... futex resumed>) = 1 [pid 7699] <... futex resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 7699] exit_group(0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7699] <... exit_group resumed>) = ? [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7710] <... mount resumed>) = 0 [pid 7702] <... ftruncate resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] getdents64(3, [pid 7710] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7703] +++ exited with 0 +++ [pid 7702] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7699] +++ exited with 0 +++ [pid 5053] newfstatat(3, "", [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7710] <... openat resumed>) = 3 [pid 7702] <... futex resumed>) = 1 [pid 7701] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] chdir("./file0" [pid 7702] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7699, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5053] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7710] <... chdir resumed>) = 0 [pid 7702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7701] <... futex resumed>) = 0 [pid 5055] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] newfstatat(AT_FDCWD, "./144/binderfs", [pid 7710] ioctl(4, LOOP_CLR_FD [pid 7702] creat("./bus", 040 [pid 7701] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7710] <... ioctl resumed>) = 0 [pid 7702] <... creat resumed>) = 5 [pid 5055] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] unlink("./144/binderfs" [pid 5055] <... openat resumed>) = 3 [pid 5053] newfstatat(AT_FDCWD, "./143/binderfs", [pid 5052] <... unlink resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] close(4 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] unlink("./143/binderfs" [pid 7710] <... close resumed>) = 0 [pid 5055] getdents64(3, [pid 5053] <... unlink resumed>) = 0 [pid 7710] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7710] <... futex resumed>) = 1 [ 251.898454][ T7710] REISERFS (device loop5): Using tea hash to sort names [ 251.915454][ T7710] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7704] <... futex resumed>) = 0 [pid 7702] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7704] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... futex resumed>) = 1 [pid 7701] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7704] <... futex resumed>) = 0 [pid 7702] mkdirat(AT_FDCWD, "./file0", 000 [pid 7701] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./141/binderfs", [pid 7710] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7704] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7702] <... mkdirat resumed>) = 0 [pid 7701] <... futex resumed>) = 0 [pid 7701] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7710] <... open resumed>) = 4 [pid 7702] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] unlink("./141/binderfs" [pid 7710] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... futex resumed>) = 1 [pid 7701] <... futex resumed>) = 0 [pid 7710] <... futex resumed>) = 1 [pid 7704] <... futex resumed>) = 0 [pid 7702] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7701] exit_group(0) = ? [pid 7704] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7702] <... futex resumed>) = ? [pid 7704] <... futex resumed>) = 0 [pid 7710] ftruncate(4, 33587195 [pid 7704] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7702] +++ exited with 0 +++ [pid 7701] +++ exited with 0 +++ [pid 5055] <... unlink resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7701, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5055] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] <... ftruncate resumed>) = 0 [pid 5051] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7710] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7710] <... futex resumed>) = 1 [pid 7704] <... futex resumed>) = 0 [pid 7710] creat("./bus", 040 [pid 7704] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... openat resumed>) = 3 [pid 7704] <... futex resumed>) = 0 [pid 5051] newfstatat(3, "", [pid 7704] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./147/binderfs") = 0 [pid 5051] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] <... creat resumed>) = 5 [pid 7710] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7704] <... futex resumed>) = 0 [pid 7710] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7704] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7704] <... futex resumed>) = 0 [pid 7710] mkdirat(AT_FDCWD, "./file0", 000 [pid 7704] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7710] <... mkdirat resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 7710] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7710] <... futex resumed>) = 1 [pid 7704] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7704] exit_group(0) = ? [pid 5054] newfstatat(AT_FDCWD, "./140/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 7710] +++ exited with 0 +++ [pid 7704] +++ exited with 0 +++ [pid 5054] <... close resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7704, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 5054] rmdir("./140/file0") = 0 [pid 5056] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] getdents64(3, [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] close(3 [pid 5053] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... openat resumed>) = 3 [pid 5054] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(3, "", [pid 5054] rmdir("./140" [pid 5053] newfstatat(AT_FDCWD, "./143/file0", [pid 5054] <... rmdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] mkdir("./141", 0777 [pid 5053] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] getdents64(3, [pid 5053] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", [pid 5052] <... umount2 resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... openat resumed>) = 3 [pid 5053] close(4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... close resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./144/file0", [pid 5056] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] rmdir("./143/file0" [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./143/binderfs", [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] <... rmdir resumed>) = 0 [pid 5052] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] getdents64(3, [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] close(3 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] unlink("./143/binderfs" [pid 5054] <... close resumed>) = 0 [pid 5053] close(3 [pid 5052] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... unlink resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... close resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 5053] rmdir("./143" [pid 5052] newfstatat(4, "", ./strace-static-x86_64: Process 7712 attached [pid 5056] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... rmdir resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] mkdir("./144", 0777 [pid 5052] getdents64(4, [pid 7712] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7712] chdir("./141" [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7712 [pid 5053] <... mkdir resumed>) = 0 [pid 5052] getdents64(4, [pid 7712] <... chdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] close(4 [pid 7712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = 0 [pid 7712] setpgid(0, 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5052] rmdir("./144/file0" [pid 7712] <... setpgid resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] close(3 [pid 5052] <... rmdir resumed>) = 0 [pid 7712] <... openat resumed>) = 3 [pid 5053] <... close resumed>) = 0 [pid 7712] write(3, "1000", 4 [pid 5052] getdents64(3, [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7712] <... write resumed>) = 4 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7713 attached [pid 7712] close(3 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7713 [pid 5052] close(3 [pid 7713] set_robust_list(0x55555656d6a0, 24 [pid 7712] <... close resumed>) = 0 [pid 7713] <... set_robust_list resumed>) = 0 [pid 7712] symlink("/dev/binderfs", "./binderfs" [pid 5052] <... close resumed>) = 0 [pid 7713] chdir("./144") = 0 [pid 7712] <... symlink resumed>) = 0 [pid 5052] rmdir("./144" [pid 7713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7713] <... prctl resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7713] setpgid(0, 0 [pid 7712] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./141/file0", [pid 5052] <... rmdir resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7713] <... setpgid resumed>) = 0 [pid 7713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7712] <... futex resumed>) = 0 [pid 5055] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] mkdir("./145", 0777 [pid 5051] <... umount2 resumed>) = 0 [pid 5051] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... mkdir resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./147/file0", [pid 7713] <... openat resumed>) = 3 [pid 7712] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... openat resumed>) = 3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5051] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... openat resumed>) = 4 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7712] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] newfstatat(4, "", [pid 5052] close(3 [pid 5051] <... openat resumed>) = 4 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... close resumed>) = 0 [pid 7713] write(3, "1000", 4 [pid 7712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] newfstatat(4, "", [pid 7713] <... write resumed>) = 4 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 7714 attached [pid 7713] close(3 [pid 7712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5055] getdents64(4, [pid 5051] getdents64(4, [pid 7714] set_robust_list(0x55555656d6a0, 24 [pid 7713] <... close resumed>) = 0 [pid 7712] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7714 [pid 7714] <... set_robust_list resumed>) = 0 [pid 7713] symlink("/dev/binderfs", "./binderfs" [pid 7712] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] getdents64(4, [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7714] chdir("./145" [pid 7713] <... symlink resumed>) = 0 [pid 7712] <... mprotect resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./143/file0", [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7714] <... chdir resumed>) = 0 [pid 7713] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] close(4 [pid 5051] getdents64(4, [pid 7714] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7713] <... futex resumed>) = 0 [pid 7712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7714] <... prctl resumed>) = 0 [pid 7713] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] rmdir("./141/file0" [pid 5051] close(4./strace-static-x86_64: Process 7715 attached [pid 7714] setpgid(0, 0 [pid 7713] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... rmdir resumed>) = 0 [pid 7715] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7714] <... setpgid resumed>) = 0 [pid 7713] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7712] <... clone3 resumed> => {parent_tid=[7715]}, 88) = 7715 [pid 5056] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] getdents64(3, [pid 5051] <... close resumed>) = 0 [pid 7715] <... rseq resumed>) = 0 [pid 7714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7712] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... openat resumed>) = 4 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] rmdir("./147/file0" [pid 7715] set_robust_list(0x7f8728ba99a0, 24 [pid 7714] <... openat resumed>) = 3 [pid 7713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] close(3 [pid 7715] <... set_robust_list resumed>) = 0 [pid 7714] write(3, "1000", 4 [pid 7713] <... mmap resumed>) = 0x7f8728b89000 [pid 7712] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7715] rt_sigprocmask(SIG_SETMASK, [], [pid 7714] <... write resumed>) = 4 [pid 7713] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7712] <... futex resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5055] rmdir("./141" [pid 7715] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7714] close(3 [pid 7713] <... mprotect resumed>) = 0 [pid 7712] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] getdents64(3, [pid 7715] memfd_create("syzkaller", 0 [pid 7714] <... close resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 7713] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7715] <... memfd_create resumed>) = 3 [pid 7714] symlink("/dev/binderfs", "./binderfs" [pid 7713] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] getdents64(4, [pid 5055] mkdir("./142", 0777 [pid 5051] close(3 [pid 7715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7713] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... close resumed>) = 0 [pid 7715] <... mmap resumed>) = 0x7f8720789000 [pid 5051] rmdir("./147"./strace-static-x86_64: Process 7716 attached [pid 5056] getdents64(4, [pid 5055] <... mkdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7716] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7714] <... symlink resumed>) = 0 [pid 7713] <... clone3 resumed> => {parent_tid=[7716]}, 88) = 7716 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7716] <... rseq resumed>) = 0 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7713] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] close(4 [pid 5051] mkdir("./148", 0777 [pid 7716] set_robust_list(0x7f8728ba99a0, 24 [pid 7714] <... futex resumed>) = 0 [pid 7713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7716] <... set_robust_list resumed>) = 0 [pid 7713] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] rmdir("./143/file0" [pid 7714] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] ioctl(3, LOOP_CLR_FD [pid 7716] rt_sigprocmask(SIG_SETMASK, [], [pid 7714] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7713] <... futex resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... mkdir resumed>) = 0 [pid 7716] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7714] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7713] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] getdents64(3, [pid 5055] close(3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7716] memfd_create("syzkaller", 0 [pid 7714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7716] <... memfd_create resumed>) = 3 [pid 7714] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] close(3 [pid 5055] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7714] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... close resumed>) = 0 [pid 7716] <... mmap resumed>) = 0x7f8720789000 [pid 7714] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] rmdir("./143" [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7714] <... mprotect resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5056] mkdir("./144", 0777) = 0 [pid 7714] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7714] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 ./strace-static-x86_64: Process 7718 attached [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7718] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5051] close(3 [pid 7718] <... rseq resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 7718] set_robust_list(0x7f8728ba99a0, 24 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7718] <... set_robust_list resumed>) = 0 [pid 7718] rt_sigprocmask(SIG_SETMASK, [], [pid 7714] <... clone3 resumed> => {parent_tid=[7718]}, 88) = 7718 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7714] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7717 ./strace-static-x86_64: Process 7719 attached ./strace-static-x86_64: Process 7717 attached [pid 7718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] close(3 [pid 7719] set_robust_list(0x55555656d6a0, 24 [pid 7717] set_robust_list(0x55555656d6a0, 24 [pid 7718] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7714] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 7719] <... set_robust_list resumed>) = 0 [pid 7717] <... set_robust_list resumed>) = 0 [pid 7718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7714] <... futex resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7719 ./strace-static-x86_64: Process 7720 attached [pid 7719] chdir("./148" [pid 7717] chdir("./142" [pid 7718] memfd_create("syzkaller", 0 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7720] set_robust_list(0x55555656d6a0, 24 [pid 7719] <... chdir resumed>) = 0 [pid 7717] <... chdir resumed>) = 0 [pid 7718] <... memfd_create resumed>) = 3 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7720 [pid 7720] <... set_robust_list resumed>) = 0 [pid 7719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7720] chdir("./144" [pid 7719] <... prctl resumed>) = 0 [pid 7717] <... prctl resumed>) = 0 [pid 7718] <... mmap resumed>) = 0x7f8720789000 [pid 7719] setpgid(0, 0 [pid 7717] setpgid(0, 0 [pid 7720] <... chdir resumed>) = 0 [pid 7719] <... setpgid resumed>) = 0 [pid 7717] <... setpgid resumed>) = 0 [pid 7720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7720] setpgid(0, 0 [pid 7717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7720] <... setpgid resumed>) = 0 [pid 7719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7719] <... openat resumed>) = 3 [pid 7717] <... openat resumed>) = 3 [pid 7720] <... openat resumed>) = 3 [pid 7719] write(3, "1000", 4 [pid 7717] write(3, "1000", 4 [pid 7720] write(3, "1000", 4 [pid 7719] <... write resumed>) = 4 [pid 7717] <... write resumed>) = 4 [pid 7720] <... write resumed>) = 4 [pid 7719] close(3 [pid 7717] close(3 [pid 7720] close(3 [pid 7719] <... close resumed>) = 0 [pid 7717] <... close resumed>) = 0 [pid 7720] <... close resumed>) = 0 [pid 7719] symlink("/dev/binderfs", "./binderfs" [pid 7717] symlink("/dev/binderfs", "./binderfs" [pid 7720] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7719] <... symlink resumed>) = 0 [pid 7717] <... symlink resumed>) = 0 [pid 7720] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7719] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7719] <... futex resumed>) = 0 [pid 7717] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7719] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7717] <... futex resumed>) = 0 [pid 7720] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7719] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7717] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7720] <... mmap resumed>) = 0x7f8728b89000 [pid 7719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7720] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7719] <... mmap resumed>) = 0x7f8728b89000 [pid 7717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7720] <... mprotect resumed>) = 0 [pid 7719] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7717] <... mmap resumed>) = 0x7f8728b89000 [pid 7720] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7719] <... mprotect resumed>) = 0 [pid 7717] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7720] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7719] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7720] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7719] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7717] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7721 attached [pid 7719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7721] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 7722 attached ) = 0 [pid 7720] <... clone3 resumed> => {parent_tid=[7721]}, 88) = 7721 [pid 7719] <... clone3 resumed> => {parent_tid=[7722]}, 88) = 7722 ./strace-static-x86_64: Process 7723 attached [pid 7722] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7721] set_robust_list(0x7f8728ba99a0, 24 [pid 7720] rt_sigprocmask(SIG_SETMASK, [], [pid 7717] <... clone3 resumed> => {parent_tid=[7723]}, 88) = 7723 [pid 7723] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7722] <... rseq resumed>) = 0 [pid 7721] <... set_robust_list resumed>) = 0 [pid 7720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7719] rt_sigprocmask(SIG_SETMASK, [], [pid 7717] rt_sigprocmask(SIG_SETMASK, [], [pid 7723] <... rseq resumed>) = 0 [pid 7722] set_robust_list(0x7f8728ba99a0, 24 [pid 7721] rt_sigprocmask(SIG_SETMASK, [], [pid 7720] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7723] set_robust_list(0x7f8728ba99a0, 24 [pid 7722] <... set_robust_list resumed>) = 0 [pid 7721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7720] <... futex resumed>) = 0 [pid 7719] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] rt_sigprocmask(SIG_SETMASK, [], [pid 7721] memfd_create("syzkaller", 0 [pid 7720] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7719] <... futex resumed>) = 0 [pid 7717] <... futex resumed>) = 0 [pid 7722] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7721] <... memfd_create resumed>) = 3 [pid 7719] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7717] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7723] <... set_robust_list resumed>) = 0 [pid 7722] memfd_create("syzkaller", 0 [pid 7721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7723] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7722] <... memfd_create resumed>) = 3 [pid 7716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7723] memfd_create("syzkaller", 0 [pid 7722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7723] <... memfd_create resumed>) = 3 [pid 7723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7718] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7722] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7721] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7723] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7715] <... write resumed>) = 4194304 [pid 7715] munmap(0x7f8720789000, 138412032 [pid 7718] <... write resumed>) = 4194304 [pid 7715] <... munmap resumed>) = 0 [pid 7718] munmap(0x7f8720789000, 138412032 [pid 7715] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7718] <... munmap resumed>) = 0 [pid 7716] <... write resumed>) = 4194304 [pid 7715] <... openat resumed>) = 4 [pid 7715] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7718] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7716] munmap(0x7f8720789000, 138412032 [pid 7715] close(3 [pid 7718] <... openat resumed>) = 4 [pid 7715] <... close resumed>) = 0 [pid 7715] mkdir("./file0", 0777) = 0 [pid 7718] ioctl(4, LOOP_SET_FD, 3 [pid 7716] <... munmap resumed>) = 0 [pid 7715] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7716] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7723] <... write resumed>) = 4194304 [pid 7716] <... openat resumed>) = 4 [pid 7716] ioctl(4, LOOP_SET_FD, 3 [pid 7722] <... write resumed>) = 4194304 [pid 7723] munmap(0x7f8720789000, 138412032 [pid 7718] <... ioctl resumed>) = 0 [pid 7716] <... ioctl resumed>) = 0 [ 252.655119][ T7715] loop3: detected capacity change from 0 to 8192 [ 252.670372][ T7718] loop1: detected capacity change from 0 to 8192 [ 252.682133][ T7715] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.696444][ T7716] loop2: detected capacity change from 0 to 8192 [pid 7718] close(3 [pid 7723] <... munmap resumed>) = 0 [pid 7721] <... write resumed>) = 4194304 [pid 7718] <... close resumed>) = 0 [pid 7716] close(3 [pid 7721] munmap(0x7f8720789000, 138412032) = 0 [pid 7721] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7718] mkdir("./file0", 0777 [pid 7716] <... close resumed>) = 0 [pid 7722] munmap(0x7f8720789000, 138412032 [pid 7721] ioctl(4, LOOP_SET_FD, 3 [pid 7723] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7718] <... mkdir resumed>) = 0 [pid 7716] mkdir("./file0", 0777 [pid 7721] <... ioctl resumed>) = 0 [pid 7723] <... openat resumed>) = 4 [pid 7722] <... munmap resumed>) = 0 [pid 7718] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7716] <... mkdir resumed>) = 0 [ 252.703255][ T7715] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 252.715359][ T7715] REISERFS (device loop3): using ordered data mode [ 252.722546][ T7715] reiserfs: using flush barriers [ 252.725131][ T7721] loop5: detected capacity change from 0 to 8192 [ 252.731257][ T7715] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7723] ioctl(4, LOOP_SET_FD, 3 [pid 7722] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7721] close(3 [pid 7716] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7722] <... openat resumed>) = 4 [pid 7721] <... close resumed>) = 0 [pid 7722] ioctl(4, LOOP_SET_FD, 3 [pid 7721] mkdir("./file0", 0777) = 0 [pid 7722] <... ioctl resumed>) = 0 [pid 7722] close(3) = 0 [pid 7722] mkdir("./file0", 0777) = 0 [pid 7722] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7723] <... ioctl resumed>) = 0 [pid 7723] close(3) = 0 [pid 7723] mkdir("./file0", 0777) = 0 [pid 7723] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 252.751860][ T7723] loop4: detected capacity change from 0 to 8192 [ 252.752226][ T7715] REISERFS (device loop3): checking transaction log (loop3) [ 252.760942][ T7722] loop0: detected capacity change from 0 to 8192 [ 252.766281][ T7716] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.786679][ T7718] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.793166][ T7716] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 252.801452][ T7718] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 252.815580][ T7716] REISERFS (device loop2): using ordered data mode [ 252.825520][ T7721] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.825679][ T7718] REISERFS (device loop1): using ordered data mode [ 252.839892][ T7722] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.845216][ T7718] reiserfs: using flush barriers [ 252.858044][ T7723] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 252.858068][ T7723] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 252.858183][ T7723] REISERFS (device loop4): using ordered data mode [ 252.864966][ T7718] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.876800][ T7715] REISERFS (device loop3): Using tea hash to sort names [ 252.885800][ T7718] REISERFS (device loop1): checking transaction log (loop1) [ 252.923173][ T7718] REISERFS (device loop1): Using tea hash to sort names [ 252.924059][ T7715] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 252.930294][ T7721] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 252.940590][ T7723] reiserfs: using flush barriers [pid 7721] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7715] <... mount resumed>) = 0 [pid 7715] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7715] chdir("./file0") = 0 [pid 7715] ioctl(4, LOOP_CLR_FD) = 0 [pid 7715] close(4) = 0 [pid 7715] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7712] <... futex resumed>) = 0 [ 252.948998][ T7718] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 252.957997][ T7723] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 252.962528][ T7722] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 252.979206][ T7716] reiserfs: using flush barriers [ 252.987986][ T7721] REISERFS (device loop5): using ordered data mode [pid 7712] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7712] <... futex resumed>) = 0 [pid 7718] <... mount resumed>) = 0 [pid 7715] <... open resumed>) = 4 [ 253.003766][ T29] kauditd_printk_skb: 13 callbacks suppressed [ 253.003781][ T29] audit: type=1800 audit(1698988397.754:866): pid=7715 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 253.030317][ T7721] reiserfs: using flush barriers [ 253.032187][ T7716] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7712] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7718] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7718] chdir("./file0") = 0 [pid 7715] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] ioctl(4, LOOP_CLR_FD) = 0 [pid 7715] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7718] close(4 [pid 7715] ftruncate(4, 33587195 [pid 7712] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] <... close resumed>) = 0 [pid 7712] <... futex resumed>) = 0 [pid 7712] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7718] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7718] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7715] <... ftruncate resumed>) = 0 [pid 7714] <... futex resumed>) = 0 [pid 7714] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7718] <... futex resumed>) = 0 [pid 7715] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7715] <... futex resumed>) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7712] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7712] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7715] creat("./bus", 040) = 5 [ 253.035940][ T7722] REISERFS (device loop0): using ordered data mode [ 253.069969][ T7721] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.072022][ T7723] REISERFS (device loop4): checking transaction log (loop4) [pid 7718] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7715] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7714] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7714] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7715] <... futex resumed>) = 1 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7712] <... futex resumed>) = 0 [pid 7712] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7712] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7715] mkdirat(AT_FDCWD, "./file0", 000 [pid 7718] <... futex resumed>) = 1 [pid 7715] <... mkdirat resumed>) = 0 [pid 7714] <... futex resumed>) = 0 [pid 7718] ftruncate(4, 33587195 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=43000000} [pid 7715] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7712] <... futex resumed>) = 0 [pid 7712] exit_group(0) = ? [pid 7718] <... ftruncate resumed>) = 0 [pid 7715] +++ exited with 0 +++ [pid 7712] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7712, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5054] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", [pid 7718] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7718] <... futex resumed>) = 1 [pid 7714] <... futex resumed>) = 0 [pid 5054] getdents64(3, [pid 7718] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7714] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7714] <... futex resumed>) = 0 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 253.095871][ T29] audit: type=1800 audit(1698988397.854:867): pid=7718 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 253.103222][ T7716] REISERFS (device loop2): checking transaction log (loop2) [ 253.124862][ T7721] REISERFS (device loop5): checking transaction log (loop5) [ 253.137802][ T7723] REISERFS (device loop4): Using tea hash to sort names [pid 7718] creat("./bus", 040 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7723] <... mount resumed>) = 0 [pid 7718] <... creat resumed>) = 5 [pid 5054] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 253.154095][ T7723] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 253.163775][ T7722] reiserfs: using flush barriers [ 253.164938][ T7716] REISERFS (device loop2): Using tea hash to sort names [ 253.174704][ T7721] REISERFS (device loop5): Using tea hash to sort names [ 253.177146][ T7716] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 253.183361][ T7721] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7723] chdir("./file0" [pid 7718] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] <... mount resumed>) = 0 [pid 7723] <... chdir resumed>) = 0 [pid 7723] ioctl(4, LOOP_CLR_FD) = 0 [pid 7714] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7723] close(4 [pid 7714] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7723] <... close resumed>) = 0 [pid 7714] <... futex resumed>) = 0 [pid 7723] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7723] <... futex resumed>) = 1 [pid 7723] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7718] <... futex resumed>) = 1 [pid 7714] <... futex resumed>) = 0 [pid 7718] mkdirat(AT_FDCWD, "./file0", 000 [pid 7714] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 5054] newfstatat(AT_FDCWD, "./141/binderfs", [pid 7718] <... mkdirat resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./141/binderfs") = 0 [pid 7717] <... futex resumed>) = 0 [pid 7716] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7716] <... openat resumed>) = 3 [pid 7717] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7718] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] chdir("./file0" [pid 7718] <... futex resumed>) = 1 [pid 7714] <... futex resumed>) = 0 [pid 7714] exit_group(0) = ? [pid 7723] <... futex resumed>) = 0 [pid 7717] <... futex resumed>) = 1 [pid 7718] +++ exited with 0 +++ [pid 7716] <... chdir resumed>) = 0 [pid 7714] +++ exited with 0 +++ [pid 7723] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7723] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 253.192832][ T7722] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 253.221489][ T7722] REISERFS (device loop0): checking transaction log (loop0) [ 253.231339][ T7722] REISERFS (device loop0): Using tea hash to sort names [pid 7723] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7717] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] ioctl(4, LOOP_CLR_FD [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7714, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7721] <... mount resumed>) = 0 [pid 7717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7716] <... ioctl resumed>) = 0 [pid 7717] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] close(4) = 0 [pid 7723] <... futex resumed>) = 0 [pid 7717] <... futex resumed>) = 1 [pid 7723] ftruncate(4, 33587195) = 0 [pid 7721] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7717] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7723] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] <... openat resumed>) = 3 [pid 7716] <... futex resumed>) = 1 [pid 7713] <... futex resumed>) = 0 [pid 5052] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] <... futex resumed>) = 1 [pid 7721] chdir("./file0" [pid 7717] <... futex resumed>) = 0 [pid 7716] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7713] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7723] creat("./bus", 040 [pid 7722] <... mount resumed>) = 0 [pid 7721] <... chdir resumed>) = 0 [pid 7717] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7713] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7722] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7721] ioctl(4, LOOP_CLR_FD [pid 7717] <... futex resumed>) = 0 [ 253.235910][ T29] audit: type=1800 audit(1698988397.984:868): pid=7723 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 253.240020][ T7722] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7716] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7713] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... openat resumed>) = 3 [pid 7723] <... creat resumed>) = 5 [pid 7722] <... openat resumed>) = 3 [pid 7721] <... ioctl resumed>) = 0 [pid 7717] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] <... open resumed>) = 4 [pid 5052] newfstatat(3, "", [pid 7721] close(4 [pid 7716] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7721] <... close resumed>) = 0 [pid 7716] <... futex resumed>) = 1 [pid 7713] <... futex resumed>) = 0 [pid 5052] getdents64(3, [pid 7721] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7713] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7716] <... futex resumed>) = 0 [pid 5052] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7721] <... futex resumed>) = 1 [pid 7716] ftruncate(4, 33587195 [pid 7713] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7721] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7716] <... ftruncate resumed>) = 0 [pid 7716] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./145/binderfs" [pid 7716] <... futex resumed>) = 1 [pid 7713] <... futex resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 7713] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7713] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] creat("./bus", 040 [pid 5052] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7723] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] <... futex resumed>) = 0 [pid 7716] <... creat resumed>) = 5 [pid 7720] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] <... futex resumed>) = 0 [pid 7720] <... futex resumed>) = 1 [pid 7721] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7720] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7723] <... futex resumed>) = 1 [pid 7722] chdir("./file0" [pid 7717] <... futex resumed>) = 0 [pid 7717] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7717] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] <... chdir resumed>) = 0 [pid 7721] <... open resumed>) = 4 [ 253.307683][ T29] audit: type=1800 audit(1698988398.064:869): pid=7716 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 7722] ioctl(4, LOOP_CLR_FD) = 0 [pid 7721] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] close(4 [pid 7721] <... futex resumed>) = 1 [pid 7720] <... futex resumed>) = 0 [pid 7722] <... close resumed>) = 0 [pid 7721] ftruncate(4, 33587195 [pid 7720] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] <... futex resumed>) = 0 [pid 7722] <... futex resumed>) = 1 [pid 7720] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7723] mkdirat(AT_FDCWD, "./file0", 000 [pid 7719] <... futex resumed>) = 0 [pid 7723] <... mkdirat resumed>) = 0 [pid 7719] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7723] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] <... futex resumed>) = 0 [pid 7719] <... futex resumed>) = 1 [pid 7723] <... futex resumed>) = 1 [pid 7722] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7719] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7717] <... futex resumed>) = 0 [pid 7722] <... open resumed>) = 4 [pid 7721] <... ftruncate resumed>) = 0 [pid 7717] exit_group(0 [pid 7722] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7717] <... exit_group resumed>) = ? [pid 7722] <... futex resumed>) = 1 [pid 7719] <... futex resumed>) = 0 [pid 7719] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7722] ftruncate(4, 33587195 [pid 7719] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7723] +++ exited with 0 +++ [pid 7722] <... ftruncate resumed>) = 0 [pid 7717] +++ exited with 0 +++ [pid 7716] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7720] <... futex resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7717, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7720] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] <... futex resumed>) = 1 [pid 7713] <... futex resumed>) = 0 [pid 7716] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7713] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7713] <... futex resumed>) = 0 [pid 7716] mkdirat(AT_FDCWD, "./file0", 000 [pid 7713] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7722] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] creat("./bus", 040 [pid 7720] <... futex resumed>) = 0 [pid 7716] <... mkdirat resumed>) = 0 [pid 5055] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = 0 [pid 7722] <... futex resumed>) = 1 [pid 7721] <... creat resumed>) = 5 [pid 7720] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7716] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7722] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 7719] <... futex resumed>) = 0 [pid 7716] <... futex resumed>) = 1 [pid 7713] <... futex resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 5054] <... umount2 resumed>) = 0 [ 253.386862][ T29] audit: type=1800 audit(1698988398.124:870): pid=7721 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 5052] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7719] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7716] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7713] exit_group(0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7722] <... futex resumed>) = 0 [pid 7719] <... futex resumed>) = 1 [pid 7716] <... futex resumed>) = ? [pid 7713] <... exit_group resumed>) = ? [pid 5055] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7722] creat("./bus", 040 [pid 7721] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7722] <... creat resumed>) = 5 [pid 7721] <... futex resumed>) = 1 [pid 7720] <... futex resumed>) = 0 [pid 5055] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7722] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7721] mkdirat(AT_FDCWD, "./file0", 000 [pid 7720] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7722] <... futex resumed>) = 0 [pid 7721] <... mkdirat resumed>) = 0 [pid 7720] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7722] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7721] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7720] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] newfstatat(AT_FDCWD, "./142/binderfs", [pid 7721] <... futex resumed>) = 0 [pid 7720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7721] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7720] exit_group(0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7721] <... futex resumed>) = ? [pid 7720] <... exit_group resumed>) = ? [pid 5055] unlink("./142/binderfs" [pid 7721] +++ exited with 0 +++ [pid 7720] +++ exited with 0 +++ [pid 5055] <... unlink resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7720, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5055] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(AT_FDCWD, "./145/file0", [pid 7716] +++ exited with 0 +++ [pid 7719] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7713] +++ exited with 0 +++ [pid 5054] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7719] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7713, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7722] <... futex resumed>) = 0 [pid 7719] <... futex resumed>) = 1 [pid 7722] mkdirat(AT_FDCWD, "./file0", 000 [pid 5052] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7722] <... mkdirat resumed>) = 0 [pid 7719] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7722] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... openat resumed>) = 4 [pid 7722] <... futex resumed>) = 0 [pid 7719] exit_group(0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7722] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 7719] <... exit_group resumed>) = ? [pid 5056] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(4, "", [pid 7722] +++ exited with 0 +++ [pid 5056] <... openat resumed>) = 3 [pid 5053] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 253.436938][ T29] audit: type=1800 audit(1698988398.124:871): pid=7722 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 7719] +++ exited with 0 +++ [pid 5056] newfstatat(3, "", [pid 5054] newfstatat(AT_FDCWD, "./141/file0", [pid 5053] <... openat resumed>) = 3 [pid 5052] getdents64(4, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, [pid 5053] newfstatat(3, "", [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7719, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, [pid 5052] getdents64(4, [pid 5051] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(4 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] rmdir("./145/file0" [pid 5056] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] newfstatat(AT_FDCWD, "./144/binderfs", [pid 5051] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... rmdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] getdents64(3, [pid 5051] <... openat resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] unlink("./144/binderfs" [pid 5056] newfstatat(AT_FDCWD, "./144/binderfs", [pid 5054] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] newfstatat(3, "", [pid 5053] <... unlink resumed>) = 0 [pid 5052] close(3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 5056] unlink("./144/binderfs" [pid 5054] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] rmdir("./145" [pid 5051] getdents64(3, [pid 5056] <... unlink resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... rmdir resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5051] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] mkdir("./146", 0777 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./148/binderfs", [pid 5052] <... mkdir resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./148/binderfs" [pid 5054] newfstatat(4, "", [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5051] <... unlink resumed>) = 0 [pid 5054] getdents64(4, [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5051] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] close(3 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7730 [pid 5054] <... close resumed>) = 0 ./strace-static-x86_64: Process 7730 attached [pid 5054] rmdir("./141/file0" [pid 7730] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... rmdir resumed>) = 0 [pid 7730] <... set_robust_list resumed>) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7730] chdir("./146") = 0 [pid 5054] close(3 [pid 7730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./141") = 0 [pid 5054] mkdir("./142", 0777 [pid 7730] setpgid(0, 0) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 7730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7730] write(3, "1000", 4) = 4 [pid 7730] close(3 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7730] <... close resumed>) = 0 [pid 7730] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5051] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7730] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7730] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 7730] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7730] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] newfstatat(AT_FDCWD, "./148/file0", [pid 7730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7730] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7730] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] close(3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... close resumed>) = 0 [pid 7730] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7730] <... mprotect resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7731 ./strace-static-x86_64: Process 7731 attached [pid 7730] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7731] set_robust_list(0x55555656d6a0, 24 [pid 5051] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7730] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7731] <... set_robust_list resumed>) = 0 [pid 7730] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] getdents64(4, [pid 7731] chdir("./142" [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7732 attached [pid 7731] <... chdir resumed>) = 0 [pid 7730] <... clone3 resumed> => {parent_tid=[7732]}, 88) = 7732 [pid 5051] close(4 [pid 7730] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./148/file0" [pid 7730] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7732] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7730] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(3, [pid 7732] <... rseq resumed>) = 0 [pid 7731] <... prctl resumed>) = 0 [pid 7730] <... futex resumed>) = 0 [pid 7732] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7731] setpgid(0, 0 [pid 7732] rt_sigprocmask(SIG_SETMASK, [], [pid 7730] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7731] <... setpgid resumed>) = 0 [pid 7732] memfd_create("syzkaller", 0 [pid 7731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7732] <... memfd_create resumed>) = 3 [pid 7732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7731] <... openat resumed>) = 3 [pid 5051] close(3 [pid 7732] <... mmap resumed>) = 0x7f8720789000 [pid 7731] write(3, "1000", 4 [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./148") = 0 [pid 7731] <... write resumed>) = 4 [pid 5051] mkdir("./149", 0777 [pid 7731] close(3 [pid 5051] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7731] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = 0 [pid 5051] close(3) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7733 ./strace-static-x86_64: Process 7733 attached [pid 7733] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7733] chdir("./149") = 0 [pid 7733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7731] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7733] <... prctl resumed>) = 0 [pid 7733] setpgid(0, 0) = 0 [pid 7733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7731] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] write(3, "1000", 4 [pid 7731] <... futex resumed>) = 0 [pid 7733] <... write resumed>) = 4 [pid 7733] close(3) = 0 [pid 7731] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7733] symlink("/dev/binderfs", "./binderfs" [pid 7731] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7733] <... symlink resumed>) = 0 [pid 7731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7733] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] <... mmap resumed>) = 0x7f8728b89000 [pid 7733] <... futex resumed>) = 0 [pid 7731] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7733] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7731] <... mprotect resumed>) = 0 [pid 7733] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7731] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7733] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7731] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7734 attached [pid 7733] <... clone3 resumed> => {parent_tid=[7735]}, 88) = 7735 [pid 5056] <... umount2 resumed>) = 0 [pid 7733] rt_sigprocmask(SIG_SETMASK, [], [pid 7731] <... clone3 resumed> => {parent_tid=[7734]}, 88) = 7734 ./strace-static-x86_64: Process 7735 attached [pid 7733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7735] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7734] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7733] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7731] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... umount2 resumed>) = 0 [pid 5053] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7734] <... rseq resumed>) = 0 [pid 7731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7734] set_robust_list(0x7f8728ba99a0, 24 [pid 7731] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... set_robust_list resumed>) = 0 [pid 7731] <... futex resumed>) = 0 [pid 7734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7731] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7735] <... rseq resumed>) = 0 [pid 7734] memfd_create("syzkaller", 0 [pid 7733] <... futex resumed>) = 0 [pid 7735] set_robust_list(0x7f8728ba99a0, 24 [pid 7734] <... memfd_create resumed>) = 3 [pid 7733] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7735] <... set_robust_list resumed>) = 0 [pid 7734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7735] rt_sigprocmask(SIG_SETMASK, [], [pid 7734] <... mmap resumed>) = 0x7f8720789000 [pid 5053] newfstatat(AT_FDCWD, "./144/file0", [pid 7735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7735] memfd_create("syzkaller", 0) = 3 [pid 7735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5055] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7732] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] newfstatat(AT_FDCWD, "./144/file0", [pid 5055] <... openat resumed>) = 4 [pid 5053] <... openat resumed>) = 4 [pid 5053] newfstatat(4, "", [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] newfstatat(4, "", [pid 5056] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] getdents64(4, [pid 5056] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] <... openat resumed>) = 4 [pid 5055] getdents64(4, [pid 5056] newfstatat(4, "", [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] close(4 [pid 5056] getdents64(4, [pid 5055] <... close resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] rmdir("./142/file0" [pid 5053] getdents64(4, [pid 5056] getdents64(4, [pid 5055] <... rmdir resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] getdents64(3, [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] close(4 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] close(3 [pid 5053] getdents64(4, [pid 5056] rmdir("./144/file0" [pid 5055] <... close resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] rmdir("./142" [pid 5053] close(4 [pid 5056] getdents64(3, [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] mkdir("./143", 0777 [pid 5056] close(3 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] rmdir("./144/file0" [pid 5056] <... close resumed>) = 0 [pid 7735] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] rmdir("./144" [pid 5053] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, [pid 5056] <... rmdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] mkdir("./145", 0777 [pid 5055] <... openat resumed>) = 3 [pid 5053] close(3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] <... mkdir resumed>) = 0 [pid 5055] close(3 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./144" [pid 5055] <... close resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... rmdir resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 7734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7736 attached [pid 7736] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7736] chdir("./143") = 0 [pid 7736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7736 ./strace-static-x86_64: Process 7737 attached [pid 7736] <... prctl resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7737 [pid 5053] mkdir("./145", 0777 [pid 7736] setpgid(0, 0 [pid 5053] <... mkdir resumed>) = 0 [pid 7737] set_robust_list(0x55555656d6a0, 24 [pid 7736] <... setpgid resumed>) = 0 [pid 7737] <... set_robust_list resumed>) = 0 [pid 7736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7736] <... openat resumed>) = 3 [pid 7737] chdir("./145" [pid 5053] <... openat resumed>) = 3 [pid 7737] <... chdir resumed>) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7737] <... prctl resumed>) = 0 [pid 7736] write(3, "1000", 4 [pid 5053] close(3 [pid 7737] setpgid(0, 0 [pid 5053] <... close resumed>) = 0 [pid 7737] <... setpgid resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7736] <... write resumed>) = 4 ./strace-static-x86_64: Process 7738 attached [pid 7736] close(3 [pid 7738] set_robust_list(0x55555656d6a0, 24 [pid 7736] <... close resumed>) = 0 [pid 7738] <... set_robust_list resumed>) = 0 [pid 7737] <... openat resumed>) = 3 [pid 7736] symlink("/dev/binderfs", "./binderfs" [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7738 [pid 7738] chdir("./145" [pid 7737] write(3, "1000", 4 [pid 7736] <... symlink resumed>) = 0 [pid 7738] <... chdir resumed>) = 0 [pid 7737] <... write resumed>) = 4 [pid 7736] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7737] close(3 [pid 7736] <... futex resumed>) = 0 [pid 7738] <... prctl resumed>) = 0 [pid 7737] <... close resumed>) = 0 [pid 7736] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7738] setpgid(0, 0 [pid 7737] symlink("/dev/binderfs", "./binderfs" [pid 7736] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7738] <... setpgid resumed>) = 0 [pid 7736] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7737] <... symlink resumed>) = 0 [pid 7736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7738] <... openat resumed>) = 3 [pid 7737] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7736] <... mmap resumed>) = 0x7f8728b89000 [pid 7736] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7736] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7737] <... futex resumed>) = 0 [pid 7738] write(3, "1000", 4 [pid 7736] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7738] <... write resumed>) = 4 [pid 7737] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7732] <... write resumed>) = 4194304 [pid 7738] close(3 [pid 7737] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7736] <... clone3 resumed> => {parent_tid=[7739]}, 88) = 7739 [pid 7732] munmap(0x7f8720789000, 138412032 [pid 7738] <... close resumed>) = 0 [pid 7737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7736] rt_sigprocmask(SIG_SETMASK, [], [pid 7738] symlink("/dev/binderfs", "./binderfs" [pid 7737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7736] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7736] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] <... symlink resumed>) = 0 [pid 7737] <... mmap resumed>) = 0x7f8728b89000 [pid 7736] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7739 attached [pid 7738] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7736] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7732] <... munmap resumed>) = 0 [pid 7739] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7738] <... futex resumed>) = 0 [pid 7737] <... mprotect resumed>) = 0 [pid 7732] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7739] <... rseq resumed>) = 0 [pid 7738] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7732] <... openat resumed>) = 4 [pid 7739] set_robust_list(0x7f8728ba99a0, 24 [pid 7738] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7734] <... write resumed>) = 4194304 [pid 7732] ioctl(4, LOOP_SET_FD, 3 [pid 7739] <... set_robust_list resumed>) = 0 [pid 7738] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7734] munmap(0x7f8720789000, 138412032 [pid 7739] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7739] memfd_create("syzkaller", 0) = 3 [pid 7739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7734] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 7740 attached [pid 7738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7734] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7740] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7738] <... mmap resumed>) = 0x7f8728b89000 [pid 7737] <... clone3 resumed> => {parent_tid=[7740]}, 88) = 7740 [pid 7734] <... openat resumed>) = 4 [pid 7740] <... rseq resumed>) = 0 [pid 7738] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7737] rt_sigprocmask(SIG_SETMASK, [], [pid 7734] ioctl(4, LOOP_SET_FD, 3 [pid 7732] <... ioctl resumed>) = 0 [pid 7740] set_robust_list(0x7f8728ba99a0, 24 [pid 7738] <... mprotect resumed>) = 0 [pid 7737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7735] <... write resumed>) = 4194304 [pid 7732] close(3 [pid 7740] <... set_robust_list resumed>) = 0 [pid 7738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7737] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] munmap(0x7f8720789000, 138412032 [pid 7734] <... ioctl resumed>) = 0 [pid 7732] <... close resumed>) = 0 [pid 7740] rt_sigprocmask(SIG_SETMASK, [], [pid 7738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7737] <... futex resumed>) = 0 [pid 7735] <... munmap resumed>) = 0 [pid 7734] close(3 [pid 7732] mkdir("./file0", 0777 [pid 7740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7737] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7740] memfd_create("syzkaller", 0 [pid 7738] <... clone3 resumed> => {parent_tid=[7741]}, 88) = 7741 [pid 7734] <... close resumed>) = 0 ./strace-static-x86_64: Process 7741 attached [pid 7740] <... memfd_create resumed>) = 3 [pid 7738] rt_sigprocmask(SIG_SETMASK, [], [pid 7741] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7735] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7734] mkdir("./file0", 0777 [pid 7732] <... mkdir resumed>) = 0 [pid 7741] <... rseq resumed>) = 0 [pid 7740] <... mmap resumed>) = 0x7f8720789000 [pid 7738] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] <... openat resumed>) = 4 [pid 7734] <... mkdir resumed>) = 0 [pid 7738] <... futex resumed>) = 0 [ 253.932482][ T7732] loop1: detected capacity change from 0 to 8192 [ 253.949368][ T7734] loop3: detected capacity change from 0 to 8192 [pid 7734] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7732] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7741] set_robust_list(0x7f8728ba99a0, 24 [pid 7738] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7735] ioctl(4, LOOP_SET_FD, 3 [pid 7741] <... set_robust_list resumed>) = 0 [pid 7741] rt_sigprocmask(SIG_SETMASK, [], [pid 7739] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7741] memfd_create("syzkaller", 0 [pid 7735] <... ioctl resumed>) = 0 [pid 7741] <... memfd_create resumed>) = 3 [pid 7741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 253.975528][ T7734] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 253.975922][ T7735] loop0: detected capacity change from 0 to 8192 [ 253.997235][ T7734] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7735] close(3) = 0 [pid 7735] mkdir("./file0", 0777) = 0 [pid 7740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 254.015992][ T7732] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.038305][ T7734] REISERFS (device loop3): using ordered data mode [ 254.054068][ T7734] reiserfs: using flush barriers [pid 7735] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7740] <... write resumed>) = 4194304 [ 254.067157][ T7735] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.082056][ T7732] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 254.092047][ T7734] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.111603][ T7734] REISERFS (device loop3): checking transaction log (loop3) [pid 7741] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7740] munmap(0x7f8720789000, 138412032) = 0 [pid 7740] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7740] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7739] <... write resumed>) = 4194304 [pid 7739] munmap(0x7f8720789000, 138412032 [pid 7734] <... mount resumed>) = 0 [ 254.119717][ T7735] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 254.131588][ T7735] REISERFS (device loop0): using ordered data mode [ 254.133416][ T7732] REISERFS (device loop1): using ordered data mode [ 254.148008][ T7734] REISERFS (device loop3): Using tea hash to sort names [ 254.156433][ T7740] loop5: detected capacity change from 0 to 8192 [ 254.157129][ T7734] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7740] close(3 [pid 7739] <... munmap resumed>) = 0 [pid 7734] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7740] <... close resumed>) = 0 [pid 7739] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7734] <... openat resumed>) = 3 [pid 7740] mkdir("./file0", 0777 [pid 7739] <... openat resumed>) = 4 [ 254.172443][ T7732] reiserfs: using flush barriers [ 254.179280][ T7735] reiserfs: using flush barriers [ 254.186388][ T7735] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.186517][ T7732] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.203116][ T7735] REISERFS (device loop0): checking transaction log (loop0) [pid 7734] chdir("./file0" [pid 7740] <... mkdir resumed>) = 0 [pid 7739] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7740] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7739] close(3) = 0 [pid 7739] mkdir("./file0", 0777) = 0 [pid 7734] <... chdir resumed>) = 0 [pid 7739] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7734] ioctl(4, LOOP_CLR_FD) = 0 [pid 7734] close(4) = 0 [pid 7734] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7731] <... futex resumed>) = 0 [pid 7734] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7731] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 254.224822][ T7739] loop4: detected capacity change from 0 to 8192 [ 254.227004][ T7732] REISERFS (device loop1): checking transaction log (loop1) [ 254.241095][ T7735] REISERFS (device loop0): Using tea hash to sort names [ 254.248802][ T7740] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 254.262204][ T7739] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7731] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7734] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [ 254.274160][ T7732] REISERFS (device loop1): Using tea hash to sort names [ 254.275924][ T7735] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 254.282577][ T7732] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 254.291747][ T29] audit: type=1800 audit(1698988399.004:872): pid=7734 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 7734] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... mount resumed>) = 0 [pid 7734] <... futex resumed>) = 1 [pid 7734] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7732] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7735] <... mount resumed>) = 0 [pid 7731] <... futex resumed>) = 0 [pid 7735] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7732] <... openat resumed>) = 3 [pid 7731] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] <... openat resumed>) = 3 [pid 7732] chdir("./file0" [pid 7731] <... futex resumed>) = 1 [pid 7735] chdir("./file0" [pid 7732] <... chdir resumed>) = 0 [ 254.321529][ T7739] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 254.330697][ T7740] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 254.330824][ T7740] REISERFS (device loop5): using ordered data mode [ 254.330837][ T7740] reiserfs: using flush barriers [ 254.355283][ T7739] REISERFS (device loop4): using ordered data mode [ 254.362281][ T7739] reiserfs: using flush barriers [pid 7731] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7734] <... futex resumed>) = 0 [pid 7734] ftruncate(4, 33587195 [pid 7735] <... chdir resumed>) = 0 [pid 7732] ioctl(4, LOOP_CLR_FD [pid 7735] ioctl(4, LOOP_CLR_FD [pid 7732] <... ioctl resumed>) = 0 [pid 7735] <... ioctl resumed>) = 0 [pid 7732] close(4 [pid 7735] close(4) = 0 [pid 7735] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... ftruncate resumed>) = 0 [pid 7732] <... close resumed>) = 0 [pid 7735] <... futex resumed>) = 1 [pid 7734] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] <... futex resumed>) = 0 [pid 7732] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7733] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... futex resumed>) = 1 [pid 7735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7733] <... futex resumed>) = 0 [pid 7732] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7730] <... futex resumed>) = 0 [pid 7735] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7733] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7735] <... open resumed>) = 4 [ 254.369225][ T7739] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.391091][ T7740] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7741] <... write resumed>) = 4194304 [pid 7735] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7733] <... futex resumed>) = 0 [pid 7730] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... futex resumed>) = 1 [pid 7731] <... futex resumed>) = 0 [pid 7735] ftruncate(4, 33587195 [pid 7734] creat("./bus", 040 [pid 7733] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... futex resumed>) = 0 [pid 7731] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] <... futex resumed>) = 1 [pid 7734] <... creat resumed>) = 5 [pid 7731] <... futex resumed>) = 0 [pid 7732] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7733] <... futex resumed>) = 0 [pid 7730] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7735] <... ftruncate resumed>) = 0 [pid 7731] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7735] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7732] <... open resumed>) = 4 [pid 7735] <... futex resumed>) = 0 [pid 7734] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7732] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7734] <... futex resumed>) = 1 [pid 7733] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... futex resumed>) = 1 [pid 7731] <... futex resumed>) = 0 [pid 7730] <... futex resumed>) = 0 [pid 7741] munmap(0x7f8720789000, 138412032) = 0 [pid 7735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7734] mkdirat(AT_FDCWD, "./file0", 000 [pid 7733] <... futex resumed>) = 0 [pid 7732] ftruncate(4, 33587195 [pid 7731] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7741] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 254.410271][ T29] audit: type=1800 audit(1698988399.164:873): pid=7735 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 254.443495][ T7739] REISERFS (device loop4): checking transaction log (loop4) [ 254.457048][ T7739] REISERFS (device loop4): Using tea hash to sort names [pid 7741] ioctl(4, LOOP_SET_FD, 3 [pid 7735] creat("./bus", 040 [pid 7734] <... mkdirat resumed>) = 0 [pid 7733] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7731] <... futex resumed>) = 0 [pid 7730] <... futex resumed>) = 0 [pid 7731] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7739] <... mount resumed>) = 0 [pid 7735] <... creat resumed>) = 5 [pid 7734] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] <... ftruncate resumed>) = 0 [pid 7730] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7735] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7734] <... futex resumed>) = 1 [pid 7732] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7735] <... futex resumed>) = 1 [pid 7734] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7733] <... futex resumed>) = 0 [pid 7732] <... futex resumed>) = 0 [pid 7730] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7735] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7733] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] creat("./bus", 040 [ 254.465100][ T29] audit: type=1800 audit(1698988399.204:874): pid=7732 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 254.468664][ T7740] REISERFS (device loop5): checking transaction log (loop5) [ 254.487230][ T7739] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 254.496175][ T7741] loop2: detected capacity change from 0 to 8192 [ 254.516022][ T7740] REISERFS (device loop5): Using tea hash to sort names [pid 7730] <... futex resumed>) = 0 [pid 7741] <... ioctl resumed>) = 0 [pid 7731] <... futex resumed>) = 0 [pid 7731] exit_group(0) = ? [pid 7741] close(3 [pid 7740] <... mount resumed>) = 0 [pid 7739] <... openat resumed>) = 3 [pid 7735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7734] <... futex resumed>) = ? [pid 7733] <... futex resumed>) = 0 [pid 7732] <... creat resumed>) = 5 [pid 7730] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7741] <... close resumed>) = 0 [pid 7740] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7739] chdir("./file0" [pid 7735] mkdirat(AT_FDCWD, "./file0", 000 [pid 7733] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7732] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7741] mkdir("./file0", 0777 [pid 7739] <... chdir resumed>) = 0 [pid 7735] <... mkdirat resumed>) = 0 [pid 7730] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] ioctl(4, LOOP_CLR_FD [pid 7732] <... futex resumed>) = 0 [pid 7740] <... openat resumed>) = 3 [pid 7730] <... futex resumed>) = 0 [pid 7739] <... ioctl resumed>) = 0 [pid 7730] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7739] close(4 [pid 7741] <... mkdir resumed>) = 0 [pid 7741] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7740] chdir("./file0" [pid 7739] <... close resumed>) = 0 [pid 7735] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7732] mkdirat(AT_FDCWD, "./file0", 000 [pid 7740] <... chdir resumed>) = 0 [pid 7739] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] ioctl(4, LOOP_CLR_FD [pid 7739] <... futex resumed>) = 1 [pid 7736] <... futex resumed>) = 0 [pid 7739] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7736] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] <... ioctl resumed>) = 0 [pid 7736] <... futex resumed>) = 0 [pid 7739] <... open resumed>) = 4 [ 254.523417][ T7740] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7736] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7740] close(4 [pid 7732] <... mkdirat resumed>) = 0 [pid 7740] <... close resumed>) = 0 [pid 7732] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] <... futex resumed>) = 1 [pid 7734] +++ exited with 0 +++ [pid 7733] <... futex resumed>) = 0 [pid 7732] <... futex resumed>) = 1 [pid 7731] +++ exited with 0 +++ [pid 7730] <... futex resumed>) = 0 [pid 7740] <... futex resumed>) = 1 [pid 7739] <... futex resumed>) = 1 [pid 7737] <... futex resumed>) = 0 [pid 7736] <... futex resumed>) = 0 [pid 7735] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7733] exit_group(0 [pid 7732] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7730] exit_group(0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7731, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7740] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7739] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7736] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7735] <... futex resumed>) = ? [pid 7733] <... exit_group resumed>) = ? [pid 7732] <... futex resumed>) = ? [pid 7730] <... exit_group resumed>) = ? [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 7740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7737] <... futex resumed>) = 0 [pid 7732] +++ exited with 0 +++ [pid 5054] <... restart_syscall resumed>) = 0 [pid 7740] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7739] ftruncate(4, 33587195 [pid 7737] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7736] <... futex resumed>) = 0 [pid 7735] +++ exited with 0 +++ [pid 7730] +++ exited with 0 +++ [pid 7736] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7730, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 7740] <... open resumed>) = 4 [pid 7733] +++ exited with 0 +++ [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 5054] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... restart_syscall resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7733, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 7740] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... ftruncate resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 7740] <... futex resumed>) = 1 [pid 7739] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7739] <... futex resumed>) = 1 [pid 7736] <... futex resumed>) = 0 [pid 7739] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7736] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7739] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7736] <... futex resumed>) = 0 [pid 7739] creat("./bus", 040 [pid 7736] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] newfstatat(3, "", [pid 7737] <... futex resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7737] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7740] <... futex resumed>) = 0 [pid 7737] <... futex resumed>) = 1 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7740] ftruncate(4, 33587195 [pid 7737] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... openat resumed>) = 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(3, "", [pid 5054] newfstatat(AT_FDCWD, "./142/binderfs", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] getdents64(3, [pid 5054] unlink("./142/binderfs" [pid 5051] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... unlink resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] newfstatat(AT_FDCWD, "./146/binderfs", [pid 5051] <... openat resumed>) = 3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 254.548663][ T29] audit: type=1800 audit(1698988399.304:875): pid=7739 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 254.585046][ T7741] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5051] newfstatat(3, "", [pid 5052] unlink("./146/binderfs" [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7739] <... creat resumed>) = 5 [pid 5052] <... unlink resumed>) = 0 [pid 5051] getdents64(3, [pid 7740] <... ftruncate resumed>) = 0 [pid 5052] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7740] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7740] <... futex resumed>) = 1 [pid 7737] <... futex resumed>) = 0 [pid 5051] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7740] creat("./bus", 040 [pid 7737] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7740] <... creat resumed>) = 5 [pid 7739] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./149/binderfs", [pid 7737] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./149/binderfs") = 0 [pid 7739] <... futex resumed>) = 1 [pid 7736] <... futex resumed>) = 0 [pid 5051] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7739] mkdirat(AT_FDCWD, "./file0", 000 [pid 7736] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7739] <... mkdirat resumed>) = 0 [pid 7736] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7739] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7736] <... futex resumed>) = 0 [pid 7736] exit_group(0) = ? [pid 7739] +++ exited with 0 +++ [pid 7736] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7736, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5055] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [ 254.601502][ T7741] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 254.610869][ T7741] REISERFS (device loop2): using ordered data mode [ 254.617523][ T7741] reiserfs: using flush barriers [ 254.625876][ T7741] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 254.642760][ T7741] REISERFS (device loop2): checking transaction log (loop2) [pid 7737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5055] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7737] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7737] <... futex resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./143/binderfs", [pid 7737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7740] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... mmap resumed>) = 0x7f8728b68000 [pid 7740] <... futex resumed>) = 0 [pid 7737] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 7740] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7737] <... mprotect resumed>) = 0 [pid 7737] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5055] unlink("./143/binderfs" [pid 7741] <... mount resumed>) = 0 [pid 7737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 5055] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7748 attached [pid 7741] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7748] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 7741] <... openat resumed>) = 3 [pid 7737] <... clone3 resumed> => {parent_tid=[7748]}, 88) = 7748 [pid 7748] <... rseq resumed>) = 0 [pid 7737] rt_sigprocmask(SIG_SETMASK, [], [pid 7748] set_robust_list(0x7f8728b889a0, 24 [pid 7741] chdir("./file0" [pid 7737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7748] <... set_robust_list resumed>) = 0 [pid 7741] <... chdir resumed>) = 0 [pid 7737] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [ 254.664308][ T7741] REISERFS (device loop2): Using tea hash to sort names [ 254.671770][ T7741] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7748] rt_sigprocmask(SIG_SETMASK, [], [pid 7741] ioctl(4, LOOP_CLR_FD [pid 7737] <... futex resumed>) = 0 [pid 7748] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7741] <... ioctl resumed>) = 0 [pid 7737] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7748] mkdirat(AT_FDCWD, "./file0", 000 [pid 7741] close(4 [pid 7748] <... mkdirat resumed>) = 0 [pid 7741] <... close resumed>) = 0 [pid 7741] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7748] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7741] <... futex resumed>) = 1 [pid 7738] <... futex resumed>) = 0 [pid 7741] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7748] <... futex resumed>) = 1 [pid 7741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7738] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7737] <... futex resumed>) = 0 [pid 7748] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7741] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7738] <... futex resumed>) = 0 [pid 7737] exit_group(0 [pid 7748] <... futex resumed>) = ? [pid 7741] <... open resumed>) = 4 [pid 7740] <... futex resumed>) = ? [pid 7738] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7737] <... exit_group resumed>) = ? [pid 7748] +++ exited with 0 +++ [pid 7741] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7740] +++ exited with 0 +++ [pid 7741] <... futex resumed>) = 0 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7737] +++ exited with 0 +++ [pid 7741] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7737, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7738] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7741] <... futex resumed>) = 0 [pid 7738] <... futex resumed>) = 1 [pid 7741] ftruncate(4, 33587195) = 0 [pid 7738] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7741] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7738] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7738] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 7738] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... umount2 resumed>) = 0 [pid 5056] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./145/binderfs", [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] newfstatat(AT_FDCWD, "./149/file0", [pid 5056] unlink("./145/binderfs") = 0 [pid 5056] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7741] creat("./bus", 040 [pid 5051] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... umount2 resumed>) = 0 [pid 5055] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./143/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, [pid 7741] <... creat resumed>) = 5 [pid 5051] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... openat resumed>) = 4 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./143/file0") = 0 [pid 7738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7738] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7741] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7738] <... mmap resumed>) = 0x7f8728b68000 [pid 5055] getdents64(3, [pid 5051] newfstatat(4, "", [pid 7741] <... futex resumed>) = 0 [pid 7741] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7738] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7738] <... mprotect resumed>) = 0 [pid 5055] close(3 [pid 7738] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... close resumed>) = 0 [pid 5051] getdents64(4, [pid 7738] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] rmdir("./143" [pid 7738] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 5055] <... rmdir resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7738] <... clone3 resumed> => {parent_tid=[7749]}, 88) = 7749 [pid 5055] mkdir("./144", 0777 [pid 5051] getdents64(4, ./strace-static-x86_64: Process 7749 attached [pid 7738] rt_sigprocmask(SIG_SETMASK, [], [pid 7749] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 7738] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7749] <... rseq resumed>) = 0 [pid 7738] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7749] set_robust_list(0x7f8728b889a0, 24 [pid 7738] <... futex resumed>) = 0 [pid 7749] <... set_robust_list resumed>) = 0 [pid 7738] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7749] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 7749] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7749] <... futex resumed>) = 1 [pid 7738] <... futex resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7738] exit_group(0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7738] <... exit_group resumed>) = ? [pid 5055] <... ioctl resumed>) = 0 [pid 5051] close(4 [pid 7741] <... futex resumed>) = ? [pid 7741] +++ exited with 0 +++ [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./149/file0" [pid 7749] +++ exited with 0 +++ [pid 7738] +++ exited with 0 +++ [pid 5051] <... rmdir resumed>) = 0 [pid 5055] close(3 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7738, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3 [pid 5053] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] rmdir("./149" [pid 5053] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... rmdir resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5051] mkdir("./150", 0777 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, [pid 5051] <... mkdir resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./145/binderfs") = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] <... umount2 resumed>) = 0 [pid 5053] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 5052] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] newfstatat(AT_FDCWD, "./146/file0", [pid 5051] close(3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... close resumed>) = 0 [pid 5052] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 5052] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./142/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./142") = 0 [pid 5054] mkdir("./143", 0777 [pid 5052] <... openat resumed>) = 4 [pid 5054] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7750 attached [pid 5056] <... umount2 resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7750 [pid 7750] set_robust_list(0x55555656d6a0, 24 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7750] <... set_robust_list resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5052] getdents64(4, [pid 7750] chdir("./150" [pid 5054] <... openat resumed>) = 3 [pid 5056] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7750] <... chdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] getdents64(4, [pid 7750] <... prctl resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./145/file0", [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7750] setpgid(0, 0 [pid 5052] close(4 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... close resumed>) = 0 [pid 7750] <... setpgid resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] close(3 [pid 5052] rmdir("./146/file0" [pid 7750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... close resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... rmdir resumed>) = 0 [pid 7750] <... openat resumed>) = 3 [pid 5056] <... openat resumed>) = 4 [pid 7750] write(3, "1000", 4 [pid 5056] newfstatat(4, "", [pid 5052] getdents64(3, [pid 7750] <... write resumed>) = 4 [pid 7750] close(3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] getdents64(4, ./strace-static-x86_64: Process 7751 attached [pid 7750] <... close resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... close resumed>) = 0 [pid 5052] close(3 [pid 7750] symlink("/dev/binderfs", "./binderfs" [pid 5052] <... close resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7751 [pid 7750] <... symlink resumed>) = 0 [pid 5056] getdents64(4, [pid 5052] rmdir("./146" [pid 7751] set_robust_list(0x55555656d6a0, 24 [pid 7750] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... rmdir resumed>) = 0 [pid 5056] close(4) = 0 [pid 5052] mkdir("./147", 0777./strace-static-x86_64: Process 7752 attached [pid 7750] <... futex resumed>) = 0 [pid 5056] rmdir("./145/file0" [pid 7752] set_robust_list(0x55555656d6a0, 24 [pid 7751] <... set_robust_list resumed>) = 0 [pid 7750] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7752 [pid 5052] <... mkdir resumed>) = 0 [pid 7752] <... set_robust_list resumed>) = 0 [pid 5056] getdents64(3, [pid 7752] chdir("./144" [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7752] <... chdir resumed>) = 0 [pid 7751] chdir("./143" [pid 7750] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] close(3 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7751] <... chdir resumed>) = 0 [pid 7750] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] <... close resumed>) = 0 [pid 7752] <... prctl resumed>) = 0 [pid 7751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5056] rmdir("./145" [pid 7752] setpgid(0, 0 [pid 7751] <... prctl resumed>) = 0 [pid 7750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7750] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7752] <... setpgid resumed>) = 0 [pid 7751] setpgid(0, 0 [pid 7750] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... rmdir resumed>) = 0 [pid 5052] close(3 [pid 7751] <... setpgid resumed>) = 0 [pid 7750] <... mprotect resumed>) = 0 [pid 5056] mkdir("./146", 0777 [pid 5052] <... close resumed>) = 0 [pid 7752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7750] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7750] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7752] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7754 attached ./strace-static-x86_64: Process 7753 attached [pid 7751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... mkdir resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7753 [pid 7750] <... clone3 resumed> => {parent_tid=[7754]}, 88) = 7754 [pid 7751] <... openat resumed>) = 3 [pid 7752] write(3, "1000", 4) = 4 [pid 7751] write(3, "1000", 4 [pid 7750] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7754] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7753] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... openat resumed>) = 3 [pid 7750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7751] <... write resumed>) = 4 [pid 7751] close(3 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 7754] <... rseq resumed>) = 0 [pid 7753] <... set_robust_list resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 7750] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] close(3 [pid 7751] <... close resumed>) = 0 [pid 7754] set_robust_list(0x7f8728ba99a0, 24 [pid 7752] <... close resumed>) = 0 [pid 7751] symlink("/dev/binderfs", "./binderfs" [pid 7750] <... futex resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7754] <... set_robust_list resumed>) = 0 [pid 7753] chdir("./147" [pid 7754] rt_sigprocmask(SIG_SETMASK, [], [pid 7750] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7753] <... chdir resumed>) = 0 [pid 7754] memfd_create("syzkaller", 0 [pid 7753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7751] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7755 attached [pid 7754] <... memfd_create resumed>) = 3 [pid 7753] <... prctl resumed>) = 0 [pid 7752] symlink("/dev/binderfs", "./binderfs" [pid 7751] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7753] setpgid(0, 0 [pid 7752] <... symlink resumed>) = 0 [pid 7751] <... futex resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7755 [pid 7754] <... mmap resumed>) = 0x7f8720789000 [pid 7751] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7755] set_robust_list(0x55555656d6a0, 24 [pid 7753] <... setpgid resumed>) = 0 [pid 7752] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... set_robust_list resumed>) = 0 [pid 7753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7752] <... futex resumed>) = 0 [pid 7751] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7755] chdir("./146" [pid 7753] <... openat resumed>) = 3 [pid 7752] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7751] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7755] <... chdir resumed>) = 0 [pid 7753] write(3, "1000", 4 [pid 7752] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7753] <... write resumed>) = 4 [pid 7752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7755] <... prctl resumed>) = 0 [pid 7752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7755] setpgid(0, 0) = 0 [pid 7752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7751] <... mmap resumed>) = 0x7f8728b89000 [pid 7755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7753] close(3 [pid 7752] <... mmap resumed>) = 0x7f8728b89000 [pid 7751] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7755] <... openat resumed>) = 3 [pid 7753] <... close resumed>) = 0 [pid 7753] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7751] <... mprotect resumed>) = 0 [pid 7753] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7755] write(3, "1000", 4 [pid 7752] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7753] <... futex resumed>) = 0 [pid 7753] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7753] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7755] <... write resumed>) = 4 [pid 7753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7752] <... mprotect resumed>) = 0 [pid 7751] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7755] close(3 [pid 7752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7751] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7755] <... close resumed>) = 0 [pid 7753] <... clone3 resumed> => {parent_tid=[7756]}, 88) = 7756 ./strace-static-x86_64: Process 7757 attached ./strace-static-x86_64: Process 7756 attached [pid 7755] symlink("/dev/binderfs", "./binderfs" [pid 7753] rt_sigprocmask(SIG_SETMASK, [], [pid 7752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7751] <... clone3 resumed> => {parent_tid=[7757]}, 88) = 7757 [pid 5053] <... umount2 resumed>) = 0 [pid 7757] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7756] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7757] <... rseq resumed>) = 0 [pid 7755] <... symlink resumed>) = 0 [pid 7751] rt_sigprocmask(SIG_SETMASK, [], [pid 7757] set_robust_list(0x7f8728ba99a0, 24 [pid 7751] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7757] <... set_robust_list resumed>) = 0 [pid 7755] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] rt_sigprocmask(SIG_SETMASK, [], [pid 7755] <... futex resumed>) = 0 [pid 7757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7756] <... rseq resumed>) = 0 [pid 7755] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7753] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7751] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7758 attached [pid 7756] set_robust_list(0x7f8728ba99a0, 24 [pid 7753] <... futex resumed>) = 0 [pid 7751] <... futex resumed>) = 0 [pid 7757] memfd_create("syzkaller", 0 [pid 7755] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7756] <... set_robust_list resumed>) = 0 [pid 7753] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7752] <... clone3 resumed> => {parent_tid=[7758]}, 88) = 7758 [pid 7751] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7755] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7758] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7757] <... memfd_create resumed>) = 3 [pid 7758] <... rseq resumed>) = 0 [pid 7757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7756] rt_sigprocmask(SIG_SETMASK, [], [pid 7755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7752] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7758] set_robust_list(0x7f8728ba99a0, 24 [pid 7757] <... mmap resumed>) = 0x7f8720789000 [pid 7756] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7754] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7756] memfd_create("syzkaller", 0) = 3 [pid 5053] newfstatat(AT_FDCWD, "./145/file0", [pid 7756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7756] <... mmap resumed>) = 0x7f8720789000 [pid 5053] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7758] <... set_robust_list resumed>) = 0 [pid 7752] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7755] <... mmap resumed>) = 0x7f8728b89000 [pid 7758] rt_sigprocmask(SIG_SETMASK, [], [pid 7752] <... futex resumed>) = 0 [pid 7758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7752] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7758] memfd_create("syzkaller", 0 [pid 7755] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... openat resumed>) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, [pid 7755] <... mprotect resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7758] <... memfd_create resumed>) = 3 [pid 7755] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] getdents64(4, [pid 7758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7755] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7758] <... mmap resumed>) = 0x7f8720789000 [pid 7755] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] close(4 [pid 7755] <... clone3 resumed> => {parent_tid=[7759]}, 88) = 7759 [pid 7755] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... close resumed>) = 0 [pid 7755] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] rmdir("./145/file0" [pid 7755] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... rmdir resumed>) = 0 [pid 7755] <... futex resumed>) = 0 [pid 7755] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3./strace-static-x86_64: Process 7759 attached ) = 0 [pid 7759] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] rmdir("./145" [pid 7759] <... rseq resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 7759] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] mkdir("./146", 0777 [pid 7759] <... set_robust_list resumed>) = 0 [pid 7757] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] <... mkdir resumed>) = 0 [pid 7759] rt_sigprocmask(SIG_SETMASK, [], [pid 7758] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7759] memfd_create("syzkaller", 0) = 3 [pid 7759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7760 ./strace-static-x86_64: Process 7760 attached [pid 7760] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7760] chdir("./146") = 0 [pid 7760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7756] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7760] <... prctl resumed>) = 0 [pid 7760] setpgid(0, 0) = 0 [pid 7760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7760] write(3, "1000", 4) = 4 [pid 7760] close(3) = 0 [pid 7760] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7760] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7760] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7760] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7760] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7760] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7760] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7761]}, 88) = 7761 [pid 7760] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7760] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7760] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7761 attached [pid 7761] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7761] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7761] memfd_create("syzkaller", 0 [pid 7759] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7757] <... write resumed>) = 4194304 [pid 7754] <... write resumed>) = 4194304 [pid 7761] <... memfd_create resumed>) = 3 [pid 7761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7757] munmap(0x7f8720789000, 138412032 [pid 7754] munmap(0x7f8720789000, 138412032 [pid 7757] <... munmap resumed>) = 0 [pid 7754] <... munmap resumed>) = 0 [pid 7754] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7758] <... write resumed>) = 4194304 [pid 7757] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7754] ioctl(4, LOOP_SET_FD, 3 [pid 7757] <... openat resumed>) = 4 [pid 7757] ioctl(4, LOOP_SET_FD, 3 [pid 7754] <... ioctl resumed>) = 0 [pid 7758] munmap(0x7f8720789000, 138412032 [pid 7757] <... ioctl resumed>) = 0 [pid 7756] <... write resumed>) = 4194304 [pid 7756] munmap(0x7f8720789000, 138412032 [pid 7754] close(3 [pid 7758] <... munmap resumed>) = 0 [pid 7757] close(3 [pid 7756] <... munmap resumed>) = 0 [pid 7758] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7757] <... close resumed>) = 0 [pid 7754] <... close resumed>) = 0 [pid 7758] <... openat resumed>) = 4 [pid 7757] mkdir("./file0", 0777 [pid 7754] mkdir("./file0", 0777 [pid 7758] ioctl(4, LOOP_SET_FD, 3 [pid 7757] <... mkdir resumed>) = 0 [pid 7756] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7754] <... mkdir resumed>) = 0 [pid 7761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7757] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7756] <... openat resumed>) = 4 [ 255.325253][ T7754] loop0: detected capacity change from 0 to 8192 [ 255.332727][ T7757] loop3: detected capacity change from 0 to 8192 [ 255.362674][ T7758] loop4: detected capacity change from 0 to 8192 [pid 7754] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7756] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7758] <... ioctl resumed>) = 0 [pid 7758] close(3) = 0 [pid 7758] mkdir("./file0", 0777 [pid 7759] <... write resumed>) = 4194304 [pid 7758] <... mkdir resumed>) = 0 [pid 7758] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7759] munmap(0x7f8720789000, 138412032) = 0 [pid 7756] close(3 [pid 7759] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 7756] <... close resumed>) = 0 [pid 7759] ioctl(4, LOOP_SET_FD, 3 [pid 7756] mkdir("./file0", 0777) = 0 [ 255.374159][ T7756] loop1: detected capacity change from 0 to 8192 [ 255.382302][ T7757] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.398039][ T7754] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.414539][ T7759] loop5: detected capacity change from 0 to 8192 [pid 7756] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7761] <... write resumed>) = 4194304 [pid 7759] <... ioctl resumed>) = 0 [pid 7761] munmap(0x7f8720789000, 138412032 [ 255.418642][ T7757] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 255.431597][ T7756] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.439024][ T7754] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 255.446806][ T7758] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.454156][ T7754] REISERFS (device loop0): using ordered data mode [pid 7759] close(3 [pid 7761] <... munmap resumed>) = 0 [pid 7759] <... close resumed>) = 0 [pid 7761] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7759] mkdir("./file0", 0777 [pid 7761] <... openat resumed>) = 4 [pid 7759] <... mkdir resumed>) = 0 [ 255.468345][ T7756] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 255.475585][ T7754] reiserfs: using flush barriers [ 255.485238][ T7757] REISERFS (device loop3): using ordered data mode [ 255.489633][ T7758] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 255.496653][ T7754] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.505149][ T7758] REISERFS (device loop4): using ordered data mode [pid 7761] ioctl(4, LOOP_SET_FD, 3 [pid 7759] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7761] <... ioctl resumed>) = 0 [ 255.521700][ T7757] reiserfs: using flush barriers [ 255.526251][ T7758] reiserfs: using flush barriers [ 255.533909][ T7756] REISERFS (device loop1): using ordered data mode [ 255.537333][ T7761] loop2: detected capacity change from 0 to 8192 [ 255.551575][ T7758] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.551814][ T7754] REISERFS (device loop0): checking transaction log (loop0) [pid 7761] close(3) = 0 [pid 7761] mkdir("./file0", 0777) = 0 [ 255.569301][ T7756] reiserfs: using flush barriers [ 255.576407][ T7759] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 255.581345][ T7757] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.611284][ T7757] REISERFS (device loop3): checking transaction log (loop3) [ 255.619843][ T7759] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 255.623074][ T7754] REISERFS (device loop0): Using tea hash to sort names [ 255.629162][ T7759] REISERFS (device loop5): using ordered data mode [ 255.643542][ T7756] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.643666][ T7759] reiserfs: using flush barriers [ 255.662007][ T7757] REISERFS (device loop3): Using tea hash to sort names [pid 7761] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7757] <... mount resumed>) = 0 [ 255.671789][ T7759] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.673246][ T7757] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 255.691837][ T7754] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 255.698396][ T7759] REISERFS (device loop5): checking transaction log (loop5) [ 255.707072][ T7761] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7757] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7759] <... mount resumed>) = 0 [pid 7757] chdir("./file0" [pid 7754] <... mount resumed>) = 0 [pid 7759] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7757] <... chdir resumed>) = 0 [ 255.714811][ T7759] REISERFS (device loop5): Using tea hash to sort names [ 255.729287][ T7758] REISERFS (device loop4): checking transaction log (loop4) [ 255.734627][ T7759] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 255.745622][ T7756] REISERFS (device loop1): checking transaction log (loop1) [ 255.751385][ T7761] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 255.759996][ T7758] REISERFS (device loop4): Using tea hash to sort names [pid 7754] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7759] <... openat resumed>) = 3 [pid 7757] ioctl(4, LOOP_CLR_FD [pid 7754] <... openat resumed>) = 3 [pid 7759] chdir("./file0") = 0 [pid 7757] <... ioctl resumed>) = 0 [pid 7754] chdir("./file0" [pid 7759] ioctl(4, LOOP_CLR_FD [pid 7757] close(4 [pid 7754] <... chdir resumed>) = 0 [pid 7757] <... close resumed>) = 0 [pid 7754] ioctl(4, LOOP_CLR_FD) = 0 [pid 7754] close(4 [pid 7757] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7754] <... close resumed>) = 0 [pid 7757] <... futex resumed>) = 1 [pid 7754] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] <... futex resumed>) = 0 [pid 7759] <... ioctl resumed>) = 0 [pid 7757] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7751] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7751] <... futex resumed>) = 0 [pid 7759] close(4 [pid 7757] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7754] <... futex resumed>) = 1 [pid 7751] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7750] <... futex resumed>) = 0 [pid 7759] <... close resumed>) = 0 [pid 7759] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 255.767040][ T7761] REISERFS (device loop2): using ordered data mode [ 255.775430][ T7758] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 255.780660][ T7761] reiserfs: using flush barriers [ 255.802157][ T7756] REISERFS (device loop1): Using tea hash to sort names [pid 7759] <... futex resumed>) = 1 [pid 7757] <... open resumed>) = 4 [pid 7755] <... futex resumed>) = 0 [pid 7754] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7750] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7759] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7757] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7757] <... futex resumed>) = 1 [pid 7751] <... futex resumed>) = 0 [pid 7759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7757] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7751] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7755] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7751] <... futex resumed>) = 0 [pid 7751] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] <... open resumed>) = 4 [pid 7759] <... open resumed>) = 4 [pid 7758] <... mount resumed>) = 0 [pid 7757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7754] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7758] chdir("./file0") = 0 [pid 7758] ioctl(4, LOOP_CLR_FD) = 0 [pid 7758] close(4) = 0 [pid 7758] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7752] <... futex resumed>) = 0 [pid 7758] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] <... mount resumed>) = 0 [pid 7759] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] ftruncate(4, 33587195 [pid 7754] <... futex resumed>) = 1 [pid 7752] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] <... futex resumed>) = 0 [pid 7759] <... futex resumed>) = 1 [pid 7755] <... futex resumed>) = 0 [pid 7754] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7752] <... futex resumed>) = 1 [pid 7750] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7754] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7752] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7750] <... futex resumed>) = 0 [pid 7754] ftruncate(4, 33587195 [pid 7758] <... futex resumed>) = 0 [pid 7756] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7758] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7756] <... openat resumed>) = 3 [pid 7754] <... ftruncate resumed>) = 0 [ 255.812060][ T7761] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 255.833426][ T7756] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 255.851925][ T7761] REISERFS (device loop2): checking transaction log (loop2) [pid 7759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7758] <... open resumed>) = 4 [pid 7757] <... ftruncate resumed>) = 0 [pid 7756] chdir("./file0" [pid 7755] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] ftruncate(4, 33587195 [pid 7758] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7757] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... chdir resumed>) = 0 [pid 7755] <... futex resumed>) = 0 [pid 7754] <... futex resumed>) = 0 [pid 7751] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7758] <... futex resumed>) = 1 [pid 7755] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] creat("./bus", 040 [pid 7752] <... futex resumed>) = 0 [pid 7751] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] ioctl(4, LOOP_CLR_FD [pid 7752] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7756] <... ioctl resumed>) = 0 [pid 7758] ftruncate(4, 33587195 [pid 7756] close(4) = 0 [pid 7756] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7753] <... futex resumed>) = 0 [pid 7756] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7753] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... open resumed>) = 4 [pid 7754] <... creat resumed>) = 5 [pid 7753] <... futex resumed>) = 0 [pid 7752] <... futex resumed>) = 0 [pid 7751] <... futex resumed>) = 0 [pid 7750] <... futex resumed>) = 0 [pid 7757] <... futex resumed>) = 0 [pid 7752] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7757] creat("./bus", 040 [pid 7751] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7750] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7756] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7756] <... futex resumed>) = 0 [pid 7753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7756] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7753] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] <... ftruncate resumed>) = 0 [pid 7758] <... ftruncate resumed>) = 0 [pid 7757] <... creat resumed>) = 5 [pid 7756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7753] <... futex resumed>) = 0 [pid 7758] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7752] <... futex resumed>) = 0 [pid 7758] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7753] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7756] ftruncate(4, 33587195 [pid 7752] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7752] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7758] <... futex resumed>) = 0 [pid 7758] creat("./bus", 040 [pid 7759] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] <... creat resumed>) = 5 [pid 7757] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... ftruncate resumed>) = 0 [pid 7754] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7750] <... futex resumed>) = 0 [pid 7759] <... futex resumed>) = 1 [pid 7757] <... futex resumed>) = 1 [pid 7755] <... futex resumed>) = 0 [pid 7750] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] <... futex resumed>) = 0 [pid 7754] mkdirat(AT_FDCWD, "./file0", 000 [pid 7755] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7750] <... futex resumed>) = 0 [pid 7758] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... futex resumed>) = 0 [pid 7754] <... mkdirat resumed>) = 0 [pid 7751] <... futex resumed>) = 0 [pid 7750] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7755] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7754] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7751] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7754] <... futex resumed>) = 0 [pid 7750] exit_group(0 [pid 7759] creat("./bus", 040 [pid 7758] <... futex resumed>) = 1 [pid 7757] mkdirat(AT_FDCWD, "./file0", 000 [pid 7756] <... futex resumed>) = 1 [pid 7753] <... futex resumed>) = 0 [pid 7752] <... futex resumed>) = 0 [pid 7750] <... exit_group resumed>) = ? [pid 7758] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7756] creat("./bus", 040 [pid 7754] +++ exited with 0 +++ [pid 7753] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7757] <... mkdirat resumed>) = 0 [pid 7753] <... futex resumed>) = 0 [pid 7752] <... futex resumed>) = 0 [pid 7750] +++ exited with 0 +++ [pid 7758] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7753] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7758] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7750, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 7752] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7757] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7752] exit_group(0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 255.877728][ T7761] REISERFS (device loop2): Using tea hash to sort names [ 255.914708][ T7761] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7761] <... mount resumed>) = 0 [pid 7759] <... creat resumed>) = 5 [pid 7758] <... futex resumed>) = ? [pid 7757] <... futex resumed>) = 1 [pid 7756] <... creat resumed>) = 5 [pid 7752] <... exit_group resumed>) = ? [pid 7751] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7757] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7751] exit_group(0 [pid 5051] <... openat resumed>) = 3 [pid 7757] <... futex resumed>) = ? [pid 7751] <... exit_group resumed>) = ? [pid 5051] newfstatat(3, "", [pid 7758] +++ exited with 0 +++ [pid 7757] +++ exited with 0 +++ [pid 7751] +++ exited with 0 +++ [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7751, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 7761] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7756] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 5051] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7752] +++ exited with 0 +++ [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... restart_syscall resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./150/binderfs", [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7752, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7761] <... openat resumed>) = 3 [pid 7756] <... futex resumed>) = 1 [pid 7753] <... futex resumed>) = 0 [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7761] chdir("./file0" [pid 7753] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... restart_syscall resumed>) = 0 [pid 5054] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] unlink("./150/binderfs" [pid 7753] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7761] <... chdir resumed>) = 0 [pid 7756] mkdirat(AT_FDCWD, "./file0", 000 [pid 7753] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7761] ioctl(4, LOOP_CLR_FD [pid 7756] <... mkdirat resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... unlink resumed>) = 0 [pid 7761] <... ioctl resumed>) = 0 [pid 5055] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7761] close(4 [pid 7756] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... openat resumed>) = 3 [pid 5051] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7761] <... close resumed>) = 0 [pid 7759] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7756] <... futex resumed>) = 1 [pid 7755] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7753] <... futex resumed>) = 0 [pid 5054] newfstatat(3, "", [pid 7761] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7759] <... futex resumed>) = 0 [pid 7756] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] <... futex resumed>) = 0 [pid 7753] exit_group(0 [pid 5055] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7759] mkdirat(AT_FDCWD, "./file0", 000 [pid 7756] <... futex resumed>) = ? [pid 7755] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7753] <... exit_group resumed>) = ? [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7761] <... futex resumed>) = 1 [pid 7760] <... futex resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 5054] getdents64(3, [pid 7759] <... mkdirat resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7761] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7760] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(3, [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7761] <... open resumed>) = 4 [pid 7760] <... futex resumed>) = 0 [pid 7759] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7759] <... futex resumed>) = 1 [pid 7756] +++ exited with 0 +++ [pid 7755] <... futex resumed>) = 0 [pid 7753] +++ exited with 0 +++ [pid 5055] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7759] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7755] exit_group(0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./143/binderfs", [pid 7761] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7760] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7759] <... futex resumed>) = ? [pid 7755] <... exit_group resumed>) = ? [pid 7761] <... futex resumed>) = 0 [pid 7760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7759] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7753, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- [pid 7761] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7760] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7760] <... futex resumed>) = 0 [pid 7761] ftruncate(4, 33587195 [pid 7760] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7755] +++ exited with 0 +++ [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7761] <... ftruncate resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./144/binderfs", [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7761] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7755, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./143/binderfs" [pid 5052] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7761] <... futex resumed>) = 1 [pid 7760] <... futex resumed>) = 0 [pid 5056] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] unlink("./144/binderfs" [pid 7761] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7760] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... unlink resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7760] <... futex resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... unlink resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 7761] creat("./bus", 040 [pid 7760] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... openat resumed>) = 3 [pid 5055] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7761] <... creat resumed>) = 5 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./147/binderfs", [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] getdents64(3, [pid 5052] unlink("./147/binderfs") = 0 [pid 7761] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7761] <... futex resumed>) = 1 [pid 7760] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7761] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7760] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7760] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7761] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7761] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7760] <... futex resumed>) = 0 [pid 7760] exit_group(0) = ? [pid 7761] +++ exited with 0 +++ [pid 7760] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7760, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5051] <... umount2 resumed>) = 0 [pid 5056] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./146/binderfs", [pid 5053] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5056] unlink("./146/binderfs") = 0 [pid 5053] newfstatat(3, "", [pid 5051] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] newfstatat(AT_FDCWD, "./150/file0", [pid 5053] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] newfstatat(AT_FDCWD, "./146/binderfs", [pid 5051] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] unlink("./146/binderfs") = 0 [pid 5051] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./150/file0") = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 5051] rmdir("./150") = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5056] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./146/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] mkdir("./151", 0777 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... mkdir resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3) = 0 [pid 5056] getdents64(4, [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7768 ./strace-static-x86_64: Process 7768 attached [pid 7768] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7768] chdir("./151") = 0 [pid 7768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7768] setpgid(0, 0) = 0 [pid 7768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7768] <... openat resumed>) = 3 [pid 7768] write(3, "1000", 4 [pid 5056] close(4 [pid 7768] <... write resumed>) = 4 [pid 7768] close(3) = 0 [pid 7768] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5056] <... close resumed>) = 0 [pid 7768] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7768] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7768] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7768] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5056] rmdir("./146/file0" [pid 7768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... rmdir resumed>) = 0 [pid 7768] <... clone3 resumed> => {parent_tid=[7769]}, 88) = 7769 [pid 7768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7768] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7768] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7769 attached [pid 7769] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7769] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7769] memfd_create("syzkaller", 0 [pid 5056] getdents64(3, [pid 7769] <... memfd_create resumed>) = 3 [pid 7769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./146") = 0 [pid 5056] mkdir("./147", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7770 attached [pid 5055] <... umount2 resumed>) = 0 [pid 7770] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7770 [pid 5054] <... umount2 resumed>) = 0 [pid 7770] <... set_robust_list resumed>) = 0 [pid 7770] chdir("./147") = 0 [pid 7770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7770] setpgid(0, 0) = 0 [pid 7770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7770] write(3, "1000", 4) = 4 [pid 7770] close(3 [pid 5055] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = 0 [pid 7770] <... close resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7770] symlink("/dev/binderfs", "./binderfs" [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./144/file0", [pid 5054] newfstatat(AT_FDCWD, "./143/file0", [pid 7770] <... symlink resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] newfstatat(AT_FDCWD, "./147/file0", [pid 5055] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7770] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7770] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7770] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... openat resumed>) = 4 [pid 5054] <... openat resumed>) = 4 [pid 5052] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7770] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] newfstatat(4, "", [pid 5054] newfstatat(4, "", [pid 7770] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 5055] getdents64(4, [pid 5054] getdents64(4, [pid 5052] newfstatat(4, "", [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, [pid 5052] getdents64(4, [pid 7770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7769] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 5054] close(4 [pid 5052] getdents64(4, [pid 7770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... close resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4 [pid 5054] rmdir("./143/file0" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] close(4 [pid 5055] <... close resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5055] rmdir("./144/file0" [pid 5054] getdents64(3, [pid 5053] newfstatat(AT_FDCWD, "./146/file0", [pid 5052] rmdir("./147/file0" [pid 7770] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] getdents64(3, [pid 5054] close(3 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... close resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7770] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] close(3 [pid 5054] rmdir("./143" [pid 5052] getdents64(3, [pid 7770] <... mprotect resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] rmdir("./144" [pid 5054] mkdir("./144", 0777 [pid 7770] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(3 [pid 7770] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 7770] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5052] rmdir("./147" [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 7771 attached [pid 5055] mkdir("./145", 0777 [pid 5053] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... rmdir resumed>) = 0 [pid 7771] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7770] <... clone3 resumed> => {parent_tid=[7771]}, 88) = 7771 [pid 5055] <... mkdir resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5053] <... openat resumed>) = 4 [pid 7771] <... rseq resumed>) = 0 [pid 7770] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] mkdir("./148", 0777 [pid 7771] set_robust_list(0x7f8728ba99a0, 24 [pid 7770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7771] <... set_robust_list resumed>) = 0 [pid 7770] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] newfstatat(4, "", [pid 7771] rt_sigprocmask(SIG_SETMASK, [], [pid 7770] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... mkdir resumed>) = 0 [pid 7771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] close(3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7771] memfd_create("syzkaller", 0 [pid 5054] <... close resumed>) = 0 [pid 5053] getdents64(4, [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7771] <... memfd_create resumed>) = 3 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... openat resumed>) = 3 [pid 7771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7770] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] close(3 [pid 5053] getdents64(4, [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7771] <... mmap resumed>) = 0x7f8720789000 [pid 5055] <... close resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7772 attached [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] close(3 [pid 7772] set_robust_list(0x55555656d6a0, 24 [pid 5053] close(4 [pid 7772] <... set_robust_list resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7772 [pid 5053] <... close resumed>) = 0 [pid 7772] chdir("./144" [pid 5053] rmdir("./146/file0") = 0 [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7772] <... chdir resumed>) = 0 [pid 7772] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7773 attached ) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7773 [pid 5053] getdents64(3, [pid 7773] set_robust_list(0x55555656d6a0, 24 [pid 7772] setpgid(0, 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7773] <... set_robust_list resumed>) = 0 [pid 7772] <... setpgid resumed>) = 0 [pid 5053] close(3 [pid 7773] chdir("./145" [pid 7772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] <... close resumed>) = 0 [pid 7773] <... chdir resumed>) = 0 [pid 5053] rmdir("./146"./strace-static-x86_64: Process 7774 attached [pid 7773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7772] <... openat resumed>) = 3 [pid 5053] <... rmdir resumed>) = 0 [pid 7774] set_robust_list(0x55555656d6a0, 24 [pid 7773] <... prctl resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7774 [pid 7773] setpgid(0, 0 [pid 7772] write(3, "1000", 4 [pid 7773] <... setpgid resumed>) = 0 [pid 7772] <... write resumed>) = 4 [pid 7774] <... set_robust_list resumed>) = 0 [pid 7773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7772] close(3 [pid 5053] mkdir("./147", 0777 [pid 7774] chdir("./148" [pid 7773] <... openat resumed>) = 3 [pid 7772] <... close resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 7772] symlink("/dev/binderfs", "./binderfs" [pid 7773] write(3, "1000", 4 [pid 7772] <... symlink resumed>) = 0 [pid 7774] <... chdir resumed>) = 0 [pid 7773] <... write resumed>) = 4 [pid 7773] close(3 [pid 7772] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7773] <... close resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7774] <... prctl resumed>) = 0 [pid 7773] symlink("/dev/binderfs", "./binderfs" [pid 7772] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5053] <... openat resumed>) = 3 [pid 7774] setpgid(0, 0 [pid 7773] <... symlink resumed>) = 0 [pid 7772] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7774] <... setpgid resumed>) = 0 [pid 7772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7773] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7774] <... openat resumed>) = 3 [pid 7773] <... futex resumed>) = 0 [pid 7772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] close(3 [pid 7773] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7772] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] <... close resumed>) = 0 [pid 7773] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7773] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7772] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7772] <... mprotect resumed>) = 0 [pid 7773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7772] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7774] write(3, "1000", 4) = 4 [pid 7773] <... mmap resumed>) = 0x7f8728b89000 [pid 7773] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7772] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 7775 attached [pid 7773] <... mprotect resumed>) = 0 [pid 7772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7774] close(3 [pid 7773] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7775] set_robust_list(0x55555656d6a0, 24 [pid 7773] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7772] <... clone3 resumed> => {parent_tid=[7776]}, 88) = 7776 [pid 7774] <... close resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7775 [pid 7775] <... set_robust_list resumed>) = 0 [pid 7773] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7772] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7777 attached ./strace-static-x86_64: Process 7776 attached [pid 7775] chdir("./147" [pid 7774] symlink("/dev/binderfs", "./binderfs" [pid 7772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7777] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7772] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7777] <... rseq resumed>) = 0 [pid 7776] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7775] <... chdir resumed>) = 0 [pid 7774] <... symlink resumed>) = 0 [pid 7773] <... clone3 resumed> => {parent_tid=[7777]}, 88) = 7777 [pid 7772] <... futex resumed>) = 0 [pid 7777] set_robust_list(0x7f8728ba99a0, 24 [pid 7776] <... rseq resumed>) = 0 [pid 7775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7774] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] rt_sigprocmask(SIG_SETMASK, [], [pid 7772] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7777] <... set_robust_list resumed>) = 0 [pid 7776] set_robust_list(0x7f8728ba99a0, 24 [pid 7775] <... prctl resumed>) = 0 [pid 7774] <... futex resumed>) = 0 [pid 7773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7777] rt_sigprocmask(SIG_SETMASK, [], [pid 7776] <... set_robust_list resumed>) = 0 [pid 7775] setpgid(0, 0 [pid 7774] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7773] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] <... write resumed>) = 4194304 [pid 7777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7776] rt_sigprocmask(SIG_SETMASK, [], [pid 7774] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7777] memfd_create("syzkaller", 0 [pid 7776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7775] <... setpgid resumed>) = 0 [pid 7774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7773] <... futex resumed>) = 0 [pid 7769] munmap(0x7f8720789000, 138412032 [pid 7777] <... memfd_create resumed>) = 3 [pid 7776] memfd_create("syzkaller", 0 [pid 7775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7773] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7776] <... memfd_create resumed>) = 3 [pid 7775] <... openat resumed>) = 3 [pid 7774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7769] <... munmap resumed>) = 0 [pid 7777] <... mmap resumed>) = 0x7f8720789000 [pid 7776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7774] <... mmap resumed>) = 0x7f8728b89000 [pid 7769] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7776] <... mmap resumed>) = 0x7f8720789000 [pid 7775] write(3, "1000", 4 [pid 7774] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7769] <... openat resumed>) = 4 [pid 7774] <... mprotect resumed>) = 0 [pid 7774] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7775] <... write resumed>) = 4 [pid 7775] close(3) = 0 [pid 7775] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7775] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7775] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7774] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7769] ioctl(4, LOOP_SET_FD, 3 [pid 7775] <... mmap resumed>) = 0x7f8728b89000 [pid 7775] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7778 attached => {parent_tid=[7778]}, 88) = 7778 [pid 7774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7769] <... ioctl resumed>) = 0 [pid 7778] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7775] rt_sigprocmask(SIG_SETMASK, [], [pid 7774] <... clone3 resumed> => {parent_tid=[7779]}, 88) = 7779 [pid 7775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7775] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] rt_sigprocmask(SIG_SETMASK, [], [pid 7778] <... rseq resumed>) = 0 [pid 7775] <... futex resumed>) = 0 [pid 7774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7771] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7778] set_robust_list(0x7f8728ba99a0, 24 [pid 7775] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7774] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7774] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7778] <... set_robust_list resumed>) = 0 [pid 7778] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 7779 attached [pid 7779] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7778] memfd_create("syzkaller", 0 [pid 7779] <... rseq resumed>) = 0 [pid 7778] <... memfd_create resumed>) = 3 [pid 7778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7779] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7769] close(3 [pid 7779] rt_sigprocmask(SIG_SETMASK, [], [pid 7769] <... close resumed>) = 0 [pid 7779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7769] mkdir("./file0", 0777) = 0 [pid 7779] memfd_create("syzkaller", 0 [pid 7769] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 256.484998][ T7769] loop0: detected capacity change from 0 to 8192 [pid 7779] <... memfd_create resumed>) = 3 [pid 7779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7777] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7778] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [ 256.576512][ T7769] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7776] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7777] <... write resumed>) = 4194304 [pid 7777] munmap(0x7f8720789000, 138412032) = 0 [pid 7777] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7779] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7777] ioctl(4, LOOP_SET_FD, 3 [pid 7776] <... write resumed>) = 4194304 [pid 7776] munmap(0x7f8720789000, 138412032) = 0 [ 256.641680][ T7769] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 256.673460][ T7777] loop4: detected capacity change from 0 to 8192 [ 256.684019][ T7769] REISERFS (device loop0): using ordered data mode [pid 7778] <... write resumed>) = 4194304 [pid 7777] <... ioctl resumed>) = 0 [pid 7776] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7771] <... write resumed>) = 4194304 [pid 7778] munmap(0x7f8720789000, 138412032 [pid 7777] close(3 [pid 7776] <... openat resumed>) = 4 [pid 7771] munmap(0x7f8720789000, 138412032 [pid 7778] <... munmap resumed>) = 0 [pid 7777] <... close resumed>) = 0 [pid 7776] ioctl(4, LOOP_SET_FD, 3 [pid 7771] <... munmap resumed>) = 0 [pid 7777] mkdir("./file0", 0777 [pid 7771] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7777] <... mkdir resumed>) = 0 [pid 7771] <... openat resumed>) = 4 [pid 7777] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7771] ioctl(4, LOOP_SET_FD, 3 [pid 7778] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 7776] <... ioctl resumed>) = 0 [pid 7778] ioctl(4, LOOP_SET_FD, 3 [ 256.713804][ T7769] reiserfs: using flush barriers [ 256.728704][ T7776] loop3: detected capacity change from 0 to 8192 [ 256.730382][ T7771] loop5: detected capacity change from 0 to 8192 [ 256.743870][ T7778] loop2: detected capacity change from 0 to 8192 [ 256.748349][ T7777] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7776] close(3 [pid 7778] <... ioctl resumed>) = 0 [pid 7776] <... close resumed>) = 0 [pid 7778] close(3 [pid 7776] mkdir("./file0", 0777 [pid 7778] <... close resumed>) = 0 [pid 7778] mkdir("./file0", 0777 [pid 7776] <... mkdir resumed>) = 0 [pid 7776] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7779] <... write resumed>) = 4194304 [pid 7778] <... mkdir resumed>) = 0 [pid 7771] <... ioctl resumed>) = 0 [pid 7779] munmap(0x7f8720789000, 138412032 [pid 7778] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7771] close(3) = 0 [ 256.768452][ T7769] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.773801][ T7777] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 256.787423][ T7776] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.794589][ T7777] REISERFS (device loop4): using ordered data mode [pid 7779] <... munmap resumed>) = 0 [pid 7771] mkdir("./file0", 0777 [pid 7779] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7771] <... mkdir resumed>) = 0 [pid 7779] <... openat resumed>) = 4 [pid 7771] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 256.815757][ T7769] REISERFS (device loop0): checking transaction log (loop0) [ 256.817941][ T7777] reiserfs: using flush barriers [ 256.825055][ T7776] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 256.835471][ T7779] loop1: detected capacity change from 0 to 8192 [ 256.837946][ T7776] REISERFS (device loop3): using ordered data mode [ 256.844012][ T7778] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.850481][ T7777] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.863087][ T7778] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 256.879451][ T7771] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.888324][ T7778] REISERFS (device loop2): using ordered data mode [ 256.902004][ T7769] REISERFS (device loop0): Using tea hash to sort names [pid 7779] ioctl(4, LOOP_SET_FD, 3 [pid 7769] <... mount resumed>) = 0 [pid 7779] <... ioctl resumed>) = 0 [pid 7779] close(3) = 0 [pid 7769] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7779] mkdir("./file0", 0777) = 0 [pid 7769] <... openat resumed>) = 3 [ 256.907681][ T7776] reiserfs: using flush barriers [ 256.915092][ T7769] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 256.929346][ T7778] reiserfs: using flush barriers [ 256.938635][ T7778] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7769] chdir("./file0" [pid 7779] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7769] <... chdir resumed>) = 0 [pid 7769] ioctl(4, LOOP_CLR_FD) = 0 [pid 7769] close(4) = 0 [pid 7769] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7769] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7768] <... futex resumed>) = 0 [ 256.939603][ T7776] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 256.955463][ T7777] REISERFS (device loop4): checking transaction log (loop4) [ 256.978894][ T7771] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 256.984062][ T7779] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 256.988481][ T7771] REISERFS (device loop5): using ordered data mode [ 257.005866][ T7778] REISERFS (device loop2): checking transaction log (loop2) [pid 7768] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] <... futex resumed>) = 0 [pid 7768] <... futex resumed>) = 1 [pid 7768] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7769] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7769] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7768] <... futex resumed>) = 0 [pid 7769] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7768] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7777] <... mount resumed>) = 0 [pid 7769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 257.020476][ T7777] REISERFS (device loop4): Using tea hash to sort names [ 257.026195][ T7778] REISERFS (device loop2): Using tea hash to sort names [ 257.031891][ T7777] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 257.039460][ T7779] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 257.054330][ T7771] reiserfs: using flush barriers [pid 7768] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7777] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7769] ftruncate(4, 33587195 [pid 7777] <... openat resumed>) = 3 [pid 7777] chdir("./file0") = 0 [pid 7777] ioctl(4, LOOP_CLR_FD) = 0 [pid 7769] <... ftruncate resumed>) = 0 [ 257.062413][ T7778] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 257.063371][ T7779] REISERFS (device loop1): using ordered data mode [ 257.072294][ T7776] REISERFS (device loop3): checking transaction log (loop3) [ 257.080241][ T7779] reiserfs: using flush barriers [ 257.097705][ T7771] REISERFS (device loop5): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7778] <... mount resumed>) = 0 [pid 7777] close(4 [pid 7769] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7777] <... close resumed>) = 0 [pid 7769] <... futex resumed>) = 1 [pid 7777] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7777] <... futex resumed>) = 1 [pid 7777] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7778] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7773] <... futex resumed>) = 0 [pid 7768] <... futex resumed>) = 0 [pid 7778] <... openat resumed>) = 3 [pid 7773] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7768] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7777] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = 1 [pid 7769] <... futex resumed>) = 0 [pid 7768] <... futex resumed>) = 1 [pid 7778] chdir("./file0" [pid 7777] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 257.097717][ T7779] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 257.098432][ T7779] REISERFS (device loop1): checking transaction log (loop1) [ 257.114423][ T7771] REISERFS (device loop5): checking transaction log (loop5) [ 257.148660][ T7779] REISERFS (device loop1): Using tea hash to sort names [ 257.151464][ T7776] REISERFS (device loop3): Using tea hash to sort names [pid 7773] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7778] <... chdir resumed>) = 0 [pid 7777] <... open resumed>) = 4 [pid 7769] creat("./bus", 040 [pid 7768] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7779] <... mount resumed>) = 0 [pid 7778] ioctl(4, LOOP_CLR_FD [pid 7769] <... creat resumed>) = 5 [pid 7778] <... ioctl resumed>) = 0 [pid 7777] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] close(4 [pid 7777] <... futex resumed>) = 1 [pid 7773] <... futex resumed>) = 0 [pid 7777] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7779] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7778] <... close resumed>) = 0 [pid 7777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7773] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7779] <... openat resumed>) = 3 [pid 7778] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] <... futex resumed>) = 1 [pid 7768] <... futex resumed>) = 0 [pid 7779] chdir("./file0" [pid 7778] <... futex resumed>) = 1 [pid 7777] ftruncate(4, 33587195 [pid 7775] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = 0 [pid 7768] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7779] <... chdir resumed>) = 0 [pid 7778] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7777] <... ftruncate resumed>) = 0 [pid 7775] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] mkdirat(AT_FDCWD, "./file0", 000 [pid 7768] <... futex resumed>) = 0 [pid 7779] ioctl(4, LOOP_CLR_FD [pid 7778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7775] <... futex resumed>) = 0 [pid 7773] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7769] <... mkdirat resumed>) = 0 [pid 7779] <... ioctl resumed>) = 0 [pid 7778] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7777] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7768] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7779] close(4 [pid 7778] <... open resumed>) = 4 [pid 7777] <... futex resumed>) = 0 [pid 7779] <... close resumed>) = 0 [pid 7777] creat("./bus", 040 [pid 7773] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7779] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] <... futex resumed>) = 0 [pid 7779] <... futex resumed>) = 1 [pid 7778] <... futex resumed>) = 1 [pid 7775] <... futex resumed>) = 0 [pid 7773] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7779] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7778] ftruncate(4, 33587195 [pid 7775] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7775] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7776] <... mount resumed>) = 0 [pid 7778] <... ftruncate resumed>) = 0 [pid 7774] <... futex resumed>) = 0 [pid 7778] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7777] <... creat resumed>) = 5 [pid 7776] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7774] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7769] <... futex resumed>) = 1 [pid 7768] <... futex resumed>) = 0 [pid 7779] <... futex resumed>) = 0 [pid 7778] <... futex resumed>) = 1 [pid 7775] <... futex resumed>) = 0 [pid 7774] <... futex resumed>) = 1 [pid 7769] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7768] exit_group(0 [pid 7779] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7777] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... openat resumed>) = 3 [pid 7775] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7774] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7769] <... futex resumed>) = ? [pid 7768] <... exit_group resumed>) = ? [pid 7779] <... open resumed>) = 4 [pid 7777] <... futex resumed>) = 1 [pid 7776] chdir("./file0" [pid 7775] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = 0 [pid 7769] +++ exited with 0 +++ [pid 7779] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] creat("./bus", 040 [pid 7777] mkdirat(AT_FDCWD, "./file0", 000 [pid 7776] <... chdir resumed>) = 0 [pid 7775] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7773] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7768] +++ exited with 0 +++ [pid 7779] <... futex resumed>) = 0 [pid 7776] ioctl(4, LOOP_CLR_FD [pid 7773] <... futex resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7768, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7779] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7777] <... mkdirat resumed>) = 0 [pid 7776] <... ioctl resumed>) = 0 [pid 7774] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 257.157504][ T7779] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 257.165709][ T7771] REISERFS (device loop5): Using tea hash to sort names [ 257.175556][ T7776] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 257.208920][ T7771] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7773] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7778] <... creat resumed>) = 5 [pid 7777] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] close(4 [pid 7774] <... futex resumed>) = 0 [pid 7773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] <... mount resumed>) = 0 [pid 7779] ftruncate(4, 33587195 [pid 7777] <... futex resumed>) = 0 [pid 7776] <... close resumed>) = 0 [pid 7773] exit_group(0 [pid 7774] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7776] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7773] <... exit_group resumed>) = ? [pid 7779] <... ftruncate resumed>) = 0 [pid 7778] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7777] +++ exited with 0 +++ [pid 7776] <... futex resumed>) = 1 [pid 7772] <... futex resumed>) = 0 [pid 7771] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7779] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7773] +++ exited with 0 +++ [pid 7772] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... openat resumed>) = 3 [pid 7779] <... futex resumed>) = 1 [pid 7774] <... futex resumed>) = 0 [pid 7771] chdir("./file0" [pid 7774] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7771] <... chdir resumed>) = 0 [pid 7779] creat("./bus", 040 [pid 5051] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7774] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] ioctl(4, LOOP_CLR_FD [pid 7778] <... futex resumed>) = 1 [pid 7776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7775] <... futex resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7771] <... ioctl resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7773, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7778] mkdirat(AT_FDCWD, "./file0", 000 [pid 7776] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7775] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] close(4 [pid 7776] <... open resumed>) = 4 [pid 7775] <... futex resumed>) = 0 [pid 7771] <... close resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7779] <... creat resumed>) = 5 [pid 7775] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7779] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7778] <... mkdirat resumed>) = 0 [pid 7776] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... futex resumed>) = 1 [pid 7770] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... openat resumed>) = 3 [pid 7779] <... futex resumed>) = 1 [pid 7778] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... futex resumed>) = 1 [pid 7774] <... futex resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7771] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] newfstatat(3, "", [pid 7779] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7778] <... futex resumed>) = 1 [pid 7776] ftruncate(4, 33587195 [pid 7775] <... futex resumed>) = 0 [pid 7774] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7770] <... futex resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7778] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7775] exit_group(0 [pid 7774] <... futex resumed>) = 0 [pid 7772] <... futex resumed>) = 0 [pid 7771] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5055] newfstatat(3, "", [pid 7776] <... ftruncate resumed>) = 0 [pid 7774] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7770] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] getdents64(3, [pid 7776] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7775] <... exit_group resumed>) = ? [pid 7772] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] <... open resumed>) = 4 [pid 5055] getdents64(3, [pid 7776] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7776] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7778] <... futex resumed>) = ? [pid 7772] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7779] mkdirat(AT_FDCWD, "./file0", 000 [pid 7778] +++ exited with 0 +++ [pid 7776] <... futex resumed>) = 0 [pid 7775] +++ exited with 0 +++ [pid 7772] <... futex resumed>) = 1 [pid 5055] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7776] creat("./bus", 040 [pid 7772] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./145/binderfs") = 0 [pid 5055] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7775, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7776] <... creat resumed>) = 5 [pid 5051] newfstatat(AT_FDCWD, "./151/binderfs", [pid 7779] <... mkdirat resumed>) = 0 [pid 7776] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7779] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7776] <... futex resumed>) = 1 [pid 7772] <... futex resumed>) = 0 [pid 7771] <... futex resumed>) = 1 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7779] <... futex resumed>) = 1 [pid 7776] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7774] <... futex resumed>) = 0 [pid 7772] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7771] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] unlink("./151/binderfs" [pid 7779] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7776] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7774] exit_group(0 [pid 7772] <... futex resumed>) = 0 [pid 7770] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... unlink resumed>) = 0 [pid 7779] <... futex resumed>) = ? [pid 7776] mkdirat(AT_FDCWD, "./file0", 000 [pid 7774] <... exit_group resumed>) = ? [pid 7771] <... futex resumed>) = 0 [pid 7770] <... futex resumed>) = 1 [pid 5053] <... openat resumed>) = 3 [pid 5051] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7779] +++ exited with 0 +++ [pid 7776] <... mkdirat resumed>) = 0 [pid 7774] +++ exited with 0 +++ [pid 7772] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7771] ftruncate(4, 33587195 [pid 7770] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] newfstatat(3, "", [pid 7776] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7771] <... ftruncate resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7774, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7776] <... futex resumed>) = 0 [pid 7772] exit_group(0 [pid 7771] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(3, [pid 7772] <... exit_group resumed>) = ? [pid 7771] <... futex resumed>) = 1 [pid 7770] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7776] +++ exited with 0 +++ [pid 7771] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7770] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7771] creat("./bus", 040 [pid 7770] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] newfstatat(AT_FDCWD, "./147/binderfs", [pid 5052] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7772] +++ exited with 0 +++ [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7772, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5053] unlink("./147/binderfs" [pid 5052] newfstatat(3, "", [pid 7771] <... creat resumed>) = 5 [pid 5053] <... unlink resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./148/binderfs", [pid 5054] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7771] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] unlink("./148/binderfs" [pid 7771] <... futex resumed>) = 1 [pid 7770] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... unlink resumed>) = 0 [pid 7771] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... openat resumed>) = 3 [pid 5052] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7770] <... futex resumed>) = 0 [pid 5054] newfstatat(3, "", [pid 7771] mkdirat(AT_FDCWD, "./file0", 000 [pid 7770] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7771] <... mkdirat resumed>) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./144/binderfs" [pid 7771] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... unlink resumed>) = 0 [pid 7771] <... futex resumed>) = 1 [pid 7770] <... futex resumed>) = 0 [pid 5054] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7771] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7770] exit_group(0 [pid 7771] <... futex resumed>) = ? [pid 7770] <... exit_group resumed>) = ? [pid 7771] +++ exited with 0 +++ [pid 7770] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7770, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5056] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./147/binderfs") = 0 [pid 5056] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = 0 [pid 5051] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./151/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5051] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(4, "", [pid 5054] newfstatat(AT_FDCWD, "./144/file0", [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5054] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] rmdir("./151/file0" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... rmdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] getdents64(3, [pid 5054] newfstatat(4, "", [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] close(3 [pid 5054] getdents64(4, [pid 5051] <... close resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] rmdir("./151" [pid 5054] getdents64(4, [pid 5051] <... rmdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./144/file0") = 0 [pid 5051] mkdir("./152", 0777 [pid 5055] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] <... mkdir resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./145/file0", [pid 5054] getdents64(3, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5054] close(3 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] <... close resumed>) = 0 [pid 5051] close(3 [pid 5054] rmdir("./144" [pid 5051] <... close resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./145", 0777 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... mkdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] newfstatat(4, "", [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7786 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 7786 attached [pid 5055] getdents64(4, [pid 5054] <... openat resumed>) = 3 [pid 7786] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7786] <... set_robust_list resumed>) = 0 [pid 5055] getdents64(4, [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7786] chdir("./152" [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(3 [pid 5055] close(4 [pid 5054] <... close resumed>) = 0 [pid 7786] <... chdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] rmdir("./145/file0" [pid 7786] <... prctl resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 7786] setpgid(0, 0 [pid 5055] getdents64(3, ./strace-static-x86_64: Process 7787 attached [pid 7786] <... setpgid resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7787] set_robust_list(0x55555656d6a0, 24 [pid 7786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] close(3 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7787 [pid 7787] <... set_robust_list resumed>) = 0 [pid 7786] <... openat resumed>) = 3 [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./145") = 0 [pid 7787] chdir("./145" [pid 7786] write(3, "1000", 4 [pid 5055] mkdir("./146", 0777 [pid 7786] <... write resumed>) = 4 [pid 7786] close(3 [pid 5055] <... mkdir resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 7786] <... close resumed>) = 0 [pid 7786] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 7786] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... chdir resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [pid 7787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7786] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7787] <... prctl resumed>) = 0 [pid 7787] setpgid(0, 0 [pid 7786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7787] <... setpgid resumed>) = 0 [pid 7786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7787] <... openat resumed>) = 3 [pid 7786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7787] write(3, "1000", 4 [pid 7786] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] newfstatat(AT_FDCWD, "./147/file0", [pid 7787] <... write resumed>) = 4 [pid 7786] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7787] close(3 [pid 7786] <... mprotect resumed>) = 0 [pid 5055] close(3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7787] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7787] symlink("/dev/binderfs", "./binderfs" [pid 7786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7787] <... symlink resumed>) = 0 [pid 7787] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7787] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./148/file0", [pid 7787] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7787] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5053] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7789 attached ./strace-static-x86_64: Process 7788 attached [pid 7787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7786] <... clone3 resumed> => {parent_tid=[7789]}, 88) = 7789 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7788 [pid 5053] <... openat resumed>) = 4 [pid 5052] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7786] rt_sigprocmask(SIG_SETMASK, [], [pid 7789] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] newfstatat(4, "", [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7789] <... rseq resumed>) = 0 [pid 7788] set_robust_list(0x55555656d6a0, 24 [pid 7787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7789] set_robust_list(0x7f8728ba99a0, 24 [pid 7788] <... set_robust_list resumed>) = 0 [pid 7787] <... mmap resumed>) = 0x7f8728b89000 [pid 7786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] getdents64(4, [pid 5052] <... openat resumed>) = 4 [pid 7789] <... set_robust_list resumed>) = 0 [pid 7788] chdir("./146" [pid 7787] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7786] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] newfstatat(4, "", [pid 7789] rt_sigprocmask(SIG_SETMASK, [], [pid 7788] <... chdir resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [pid 5053] getdents64(4, [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7787] <... mprotect resumed>) = 0 [pid 7786] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] getdents64(4, [pid 7788] <... prctl resumed>) = 0 [pid 7787] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7789] memfd_create("syzkaller", 0 [pid 7788] setpgid(0, 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7789] <... memfd_create resumed>) = 3 [pid 5053] close(4 [pid 5052] getdents64(4, [pid 5053] <... close resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5052] close(4) = 0 [pid 7789] <... mmap resumed>) = 0x7f8720789000 [pid 5052] rmdir("./148/file0" [pid 7788] <... setpgid resumed>) = 0 [pid 7788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... rmdir resumed>) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3 [pid 5053] rmdir("./147/file0" [pid 5052] <... close resumed>) = 0 [pid 7788] <... openat resumed>) = 3 [pid 5053] <... rmdir resumed>) = 0 [pid 5052] rmdir("./148" [pid 7787] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7788] write(3, "1000", 4 [pid 7787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7788] <... write resumed>) = 4 [pid 5052] <... rmdir resumed>) = 0 [pid 7788] close(3 [pid 5052] mkdir("./149", 0777 [pid 7788] <... close resumed>) = 0 [pid 7788] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 7790 attached ) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 7790] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7788] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7790] <... rseq resumed>) = 0 [pid 7788] <... futex resumed>) = 0 [pid 7790] set_robust_list(0x7f8728ba99a0, 24 [pid 7788] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5052] <... openat resumed>) = 3 [pid 7790] <... set_robust_list resumed>) = 0 [pid 7788] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7787] <... clone3 resumed> => {parent_tid=[7790]}, 88) = 7790 [pid 5053] getdents64(3, [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7790] rt_sigprocmask(SIG_SETMASK, [], [pid 7788] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7787] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7790] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7787] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7788] <... mmap resumed>) = 0x7f8728b89000 [pid 7787] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5053] close(3 [pid 5052] <... close resumed>) = 0 [pid 7788] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7787] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7790] memfd_create("syzkaller", 0 [pid 7788] <... mprotect resumed>) = 0 [pid 7790] <... memfd_create resumed>) = 3 [pid 7788] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7788] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7790] <... mmap resumed>) = 0x7f8720789000 [pid 7788] <... clone3 resumed> => {parent_tid=[7791]}, 88) = 7791 ./strace-static-x86_64: Process 7791 attached [pid 7788] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] rmdir("./147" [pid 7791] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7791] <... rseq resumed>) = 0 [pid 7788] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] set_robust_list(0x7f8728ba99a0, 24 [pid 7788] <... futex resumed>) = 0 [pid 7791] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7792 attached [pid 7791] rt_sigprocmask(SIG_SETMASK, [], [pid 7788] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... rmdir resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7792 [pid 7792] set_robust_list(0x55555656d6a0, 24 [pid 7791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] mkdir("./148", 0777 [pid 7792] <... set_robust_list resumed>) = 0 [pid 7791] memfd_create("syzkaller", 0 [pid 5056] newfstatat(AT_FDCWD, "./147/file0", [pid 7791] <... memfd_create resumed>) = 3 [pid 5053] <... mkdir resumed>) = 0 [pid 7792] chdir("./149" [pid 7791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7792] <... chdir resumed>) = 0 [pid 7791] <... mmap resumed>) = 0x7f8720789000 [pid 5056] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7792] <... prctl resumed>) = 0 [pid 7789] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... openat resumed>) = 3 [pid 5056] <... openat resumed>) = 4 [pid 7792] setpgid(0, 0 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7792] <... setpgid resumed>) = 0 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] getdents64(4, [pid 5053] close(3 [pid 7791] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7792] <... openat resumed>) = 3 [pid 7790] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... close resumed>) = 0 [pid 7792] write(3, "1000", 4 [pid 5056] getdents64(4, [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7792] <... write resumed>) = 4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 7792] close(3 [pid 5056] rmdir("./147/file0"./strace-static-x86_64: Process 7793 attached [pid 7792] <... close resumed>) = 0 [pid 7793] set_robust_list(0x55555656d6a0, 24 [pid 7792] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... rmdir resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7793 [pid 7793] <... set_robust_list resumed>) = 0 [pid 7792] <... symlink resumed>) = 0 [pid 7793] chdir("./148") = 0 [pid 7792] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(3, [pid 7793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7792] <... futex resumed>) = 0 [pid 7793] <... prctl resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7792] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7793] setpgid(0, 0 [pid 5056] close(3 [pid 7792] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7793] <... setpgid resumed>) = 0 [pid 7792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] <... close resumed>) = 0 [pid 7793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] rmdir("./147" [pid 7793] <... openat resumed>) = 3 [pid 7792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7789] <... write resumed>) = 4194304 [pid 5056] <... rmdir resumed>) = 0 [pid 7793] write(3, "1000", 4 [pid 7792] <... mmap resumed>) = 0x7f8728b89000 [pid 7789] munmap(0x7f8720789000, 138412032 [pid 5056] mkdir("./148", 0777 [pid 7793] <... write resumed>) = 4 [pid 7792] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7793] close(3 [pid 5056] <... mkdir resumed>) = 0 [pid 7793] <... close resumed>) = 0 [pid 7792] <... mprotect resumed>) = 0 [pid 7789] <... munmap resumed>) = 0 [pid 7793] symlink("/dev/binderfs", "./binderfs" [pid 7792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7789] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7793] <... symlink resumed>) = 0 [pid 7792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7793] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... openat resumed>) = 3 [pid 7793] <... futex resumed>) = 0 [pid 7789] <... openat resumed>) = 4 [pid 7793] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7789] ioctl(4, LOOP_SET_FD, 3 [pid 7792] <... clone3 resumed> => {parent_tid=[7794]}, 88) = 7794 [pid 7793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7792] rt_sigprocmask(SIG_SETMASK, [], [pid 7793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] close(3 [pid 7793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7792] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 7793] <... mmap resumed>) = 0x7f8728b89000 [pid 7792] <... futex resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7794 attached [pid 7794] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7794] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7794] rt_sigprocmask(SIG_SETMASK, [], [pid 7792] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7795 ./strace-static-x86_64: Process 7795 attached [pid 7794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7793] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7794] memfd_create("syzkaller", 0 [pid 7793] <... mprotect resumed>) = 0 [pid 7795] set_robust_list(0x55555656d6a0, 24 [pid 7794] <... memfd_create resumed>) = 3 [pid 7795] <... set_robust_list resumed>) = 0 [pid 7794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7789] <... ioctl resumed>) = 0 [pid 7795] chdir("./148" [pid 7794] <... mmap resumed>) = 0x7f8720789000 [pid 7793] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7789] close(3 [pid 7795] <... chdir resumed>) = 0 [pid 7795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7789] <... close resumed>) = 0 ./strace-static-x86_64: Process 7796 attached [pid 7795] <... prctl resumed>) = 0 [pid 7789] mkdir("./file0", 0777 [pid 7796] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7795] setpgid(0, 0) = 0 [pid 7796] <... rseq resumed>) = 0 [pid 7795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7789] <... mkdir resumed>) = 0 [pid 7796] set_robust_list(0x7f8728ba99a0, 24 [pid 7793] <... clone3 resumed> => {parent_tid=[7796]}, 88) = 7796 [pid 7793] rt_sigprocmask(SIG_SETMASK, [], [pid 7796] <... set_robust_list resumed>) = 0 [pid 7795] <... openat resumed>) = 3 [pid 7793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7791] <... write resumed>) = 4194304 [pid 7789] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7796] rt_sigprocmask(SIG_SETMASK, [], [pid 7795] write(3, "1000", 4 [pid 7793] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7791] munmap(0x7f8720789000, 138412032 [pid 7796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7795] <... write resumed>) = 4 [pid 7793] <... futex resumed>) = 0 [ 257.806285][ T7789] loop0: detected capacity change from 0 to 8192 [pid 7796] memfd_create("syzkaller", 0 [pid 7795] close(3 [pid 7794] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7793] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7795] <... close resumed>) = 0 [pid 7796] <... memfd_create resumed>) = 3 [pid 7795] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7795] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7795] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7791] <... munmap resumed>) = 0 [pid 7795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7791] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7795] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7791] ioctl(4, LOOP_SET_FD, 3 [pid 7795] <... mprotect resumed>) = 0 [ 257.863481][ T7789] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7790] <... write resumed>) = 4194304 [pid 7795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7791] <... ioctl resumed>) = 0 [pid 7796] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7791] close(3 [pid 7790] munmap(0x7f8720789000, 138412032) = 0 [pid 7790] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 7798 attached [pid 7791] <... close resumed>) = 0 [pid 7798] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7795] <... clone3 resumed> => {parent_tid=[7798]}, 88) = 7798 [pid 7791] mkdir("./file0", 0777 [pid 7798] <... rseq resumed>) = 0 [pid 7795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7790] <... openat resumed>) = 4 [ 257.909219][ T7791] loop4: detected capacity change from 0 to 8192 [ 257.915258][ T7789] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 257.925144][ T7789] REISERFS (device loop0): using ordered data mode [ 257.934066][ T7789] reiserfs: using flush barriers [ 257.940885][ T7789] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7795] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] ioctl(4, LOOP_SET_FD, 3 [pid 7795] <... futex resumed>) = 0 [pid 7791] <... mkdir resumed>) = 0 [pid 7795] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7798] set_robust_list(0x7f8728ba99a0, 24 [pid 7791] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7798] <... set_robust_list resumed>) = 0 [pid 7798] rt_sigprocmask(SIG_SETMASK, [], [pid 7790] <... ioctl resumed>) = 0 [pid 7790] close(3) = 0 [pid 7794] <... write resumed>) = 4194304 [pid 7790] mkdir("./file0", 0777) = 0 [pid 7790] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7794] munmap(0x7f8720789000, 138412032 [ 257.967509][ T7790] loop3: detected capacity change from 0 to 8192 [ 257.974426][ T7791] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 257.992652][ T7789] REISERFS (device loop0): checking transaction log (loop0) [ 257.996362][ T7791] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 7798] memfd_create("syzkaller", 0 [pid 7794] <... munmap resumed>) = 0 [pid 7798] <... memfd_create resumed>) = 3 [pid 7794] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7794] ioctl(4, LOOP_SET_FD, 3 [pid 7798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7796] <... write resumed>) = 4194304 [pid 7794] <... ioctl resumed>) = 0 [pid 7798] <... mmap resumed>) = 0x7f8720789000 [ 258.009417][ T7790] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.010340][ T7789] REISERFS (device loop0): Using tea hash to sort names [ 258.028134][ T7791] REISERFS (device loop4): using ordered data mode [ 258.036174][ T7790] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 258.045950][ T7794] loop1: detected capacity change from 0 to 8192 [ 258.051823][ T7789] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 258.054071][ T7791] reiserfs: using flush barriers [ 258.062471][ T7790] REISERFS (device loop3): using ordered data mode [ 258.073528][ T7790] reiserfs: using flush barriers [ 258.079557][ T7791] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.080898][ T7790] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7789] <... mount resumed>) = 0 [pid 7796] munmap(0x7f8720789000, 138412032 [pid 7794] close(3 [pid 7789] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7796] <... munmap resumed>) = 0 [pid 7789] <... openat resumed>) = 3 [pid 7796] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7794] <... close resumed>) = 0 [pid 7794] mkdir("./file0", 0777 [pid 7789] chdir("./file0" [pid 7796] <... openat resumed>) = 4 [pid 7794] <... mkdir resumed>) = 0 [pid 7796] ioctl(4, LOOP_SET_FD, 3 [pid 7794] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7789] <... chdir resumed>) = 0 [pid 7796] <... ioctl resumed>) = 0 [pid 7789] ioctl(4, LOOP_CLR_FD [pid 7796] close(3 [pid 7789] <... ioctl resumed>) = 0 [pid 7789] close(4) = 0 [pid 7796] <... close resumed>) = 0 [pid 7789] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7786] <... futex resumed>) = 0 [pid 7789] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7786] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] mkdir("./file0", 0777 [pid 7786] <... futex resumed>) = 0 [ 258.096394][ T7791] REISERFS (device loop4): checking transaction log (loop4) [ 258.124926][ T7796] loop2: detected capacity change from 0 to 8192 [ 258.144269][ T7790] REISERFS (device loop3): checking transaction log (loop3) [ 258.154709][ T7791] REISERFS (device loop4): Using tea hash to sort names [pid 7786] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7796] <... mkdir resumed>) = 0 [pid 7798] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7796] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7789] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7790] <... mount resumed>) = 0 [pid 7789] <... open resumed>) = 4 [pid 7786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7789] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] <... futex resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [pid 7789] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 7786] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} => {parent_tid=[7803]}, 88) = 7803 [pid 7786] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7786] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7786] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7803 attached [pid 7803] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053) = 0 [pid 7803] set_robust_list(0x7f8728b889a0, 24) = 0 [pid 7803] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 258.161729][ T7794] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.161983][ T7790] REISERFS (device loop3): Using tea hash to sort names [ 258.175781][ T7791] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 258.193580][ T7790] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 258.198985][ T29] kauditd_printk_skb: 14 callbacks suppressed [pid 7803] ftruncate(4, 33587195 [pid 7791] <... mount resumed>) = 0 [pid 7791] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7791] chdir("./file0") = 0 [pid 7791] ioctl(4, LOOP_CLR_FD) = 0 [pid 7791] close(4 [pid 7790] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7790] chdir("./file0") = 0 [pid 7790] ioctl(4, LOOP_CLR_FD [pid 7803] <... ftruncate resumed>) = 0 [pid 7791] <... close resumed>) = 0 [pid 7786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7791] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7791] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7786] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] <... futex resumed>) = 0 [pid 7786] <... futex resumed>) = 1 [pid 7789] creat("./bus", 040 [pid 7786] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7803] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] <... creat resumed>) = 5 [pid 7788] <... futex resumed>) = 0 [pid 7803] <... futex resumed>) = 0 [pid 7790] <... ioctl resumed>) = 0 [pid 7789] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7803] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7789] <... futex resumed>) = 1 [pid 7788] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7786] <... futex resumed>) = 0 [pid 7790] close(4 [pid 7789] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7786] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... close resumed>) = 0 [pid 7789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7786] <... futex resumed>) = 0 [pid 7791] <... futex resumed>) = 0 [pid 7790] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7789] mkdirat(AT_FDCWD, "./file0", 000 [ 258.199000][ T29] audit: type=1800 audit(1698988402.954:890): pid=7789 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 258.204706][ T7794] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 258.240871][ T7796] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.255842][ T7794] REISERFS (device loop1): using ordered data mode [ 258.262396][ T7794] reiserfs: using flush barriers [pid 7788] <... futex resumed>) = 1 [pid 7786] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7791] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7790] <... futex resumed>) = 1 [pid 7789] <... mkdirat resumed>) = 0 [pid 7787] <... futex resumed>) = 0 [pid 7788] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7790] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7789] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7789] <... futex resumed>) = 1 [pid 7787] <... futex resumed>) = 0 [pid 7786] <... futex resumed>) = 0 [ 258.283057][ T29] audit: type=1800 audit(1698988403.034:891): pid=7791 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 258.303915][ T7796] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 258.305976][ T7794] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7791] <... open resumed>) = 4 [pid 7790] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7789] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7786] exit_group(0 [pid 7803] <... futex resumed>) = ? [pid 7790] <... open resumed>) = 4 [pid 7789] <... futex resumed>) = ? [pid 7786] <... exit_group resumed>) = ? [pid 7803] +++ exited with 0 +++ [pid 7789] +++ exited with 0 +++ [pid 7790] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7787] <... futex resumed>) = 0 [pid 7786] +++ exited with 0 +++ [pid 7790] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7787] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7786, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 7788] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7788] <... futex resumed>) = 0 [pid 7787] <... futex resumed>) = 0 [pid 7790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7790] ftruncate(4, 33587195 [pid 7787] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7790] <... ftruncate resumed>) = 0 [pid 7788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7788] <... mmap resumed>) = 0x7f8728b68000 [pid 5051] <... openat resumed>) = 3 [pid 7791] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7788] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 5051] newfstatat(3, "", [pid 7791] <... futex resumed>) = 0 [pid 7788] <... mprotect resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7788] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7788] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] newfstatat(AT_FDCWD, "./152/binderfs", [pid 7788] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7798] <... write resumed>) = 4194304 [pid 7790] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] unlink("./152/binderfs" [pid 7790] <... futex resumed>) = 1 [pid 7788] <... clone3 resumed> => {parent_tid=[7804]}, 88) = 7804 [pid 7787] <... futex resumed>) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 7788] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7798] munmap(0x7f8720789000, 138412032 [pid 7791] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7790] creat("./bus", 040 [pid 7788] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7788] <... futex resumed>) = 0 [pid 7788] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7804 attached [pid 7798] <... munmap resumed>) = 0 [pid 7790] <... creat resumed>) = 5 [pid 7787] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7804] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 7798] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7790] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7804] <... rseq resumed>) = 0 [ 258.314624][ T7796] REISERFS (device loop2): using ordered data mode [ 258.340061][ T7796] reiserfs: using flush barriers [ 258.350317][ T7796] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7787] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7804] set_robust_list(0x7f8728b889a0, 24 [pid 7798] <... openat resumed>) = 4 [pid 7790] <... futex resumed>) = 0 [pid 7787] <... futex resumed>) = 0 [pid 7804] <... set_robust_list resumed>) = 0 [pid 7804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7804] ftruncate(4, 33587195 [pid 7798] ioctl(4, LOOP_SET_FD, 3 [pid 7790] mkdirat(AT_FDCWD, "./file0", 000 [pid 7787] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7804] <... ftruncate resumed>) = 0 [pid 7790] <... mkdirat resumed>) = 0 [pid 7790] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7787] <... futex resumed>) = 0 [pid 7787] exit_group(0) = ? [pid 7804] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7790] +++ exited with 0 +++ [pid 7788] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7787] +++ exited with 0 +++ [pid 7788] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7787, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 7788] <... futex resumed>) = 1 [pid 7804] <... futex resumed>) = 0 [pid 7788] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7804] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 258.395866][ T29] audit: type=1800 audit(1698988403.074:892): pid=7790 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 258.408619][ T7796] REISERFS (device loop2): checking transaction log (loop2) [ 258.427306][ T7798] loop5: detected capacity change from 0 to 8192 [ 258.428006][ T7794] REISERFS (device loop1): checking transaction log (loop1) [pid 5054] unlink("./145/binderfs" [pid 7791] <... futex resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 5054] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7791] creat("./bus", 040 [pid 7798] <... ioctl resumed>) = 0 [pid 7791] <... creat resumed>) = 5 [pid 7798] close(3) = 0 [pid 7798] mkdir("./file0", 0777) = 0 [pid 7791] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7798] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7791] <... futex resumed>) = 1 [pid 7788] <... futex resumed>) = 0 [pid 7788] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7788] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7791] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7791] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7791] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7788] <... futex resumed>) = 0 [pid 7788] exit_group(0 [pid 7804] <... futex resumed>) = ? [pid 7791] <... futex resumed>) = ? [pid 7788] <... exit_group resumed>) = ? [pid 7804] +++ exited with 0 +++ [pid 7791] +++ exited with 0 +++ [pid 7788] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7788, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5055] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5055] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./146/binderfs") = 0 [ 258.461108][ T7796] REISERFS (device loop2): Using tea hash to sort names [ 258.473720][ T7798] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 258.492334][ T7794] REISERFS (device loop1): Using tea hash to sort names [ 258.523114][ T7796] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 258.532798][ T7798] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 258.542484][ T7798] REISERFS (device loop5): using ordered data mode [ 258.549338][ T7798] reiserfs: using flush barriers [ 258.555317][ T7794] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5055] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7796] <... mount resumed>) = 0 [pid 7796] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7796] chdir("./file0") = 0 [pid 7796] ioctl(4, LOOP_CLR_FD) = 0 [pid 7796] close(4) = 0 [pid 7796] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7793] <... futex resumed>) = 0 [pid 7793] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7793] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7796] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7794] <... mount resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [ 258.556991][ T7798] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 258.597081][ T7798] REISERFS (device loop5): checking transaction log (loop5) [ 258.605826][ T7798] REISERFS (device loop5): Using tea hash to sort names [ 258.613359][ T7798] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7796] <... open resumed>) = 4 [pid 7794] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5051] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7798] <... mount resumed>) = 0 [pid 7796] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] <... openat resumed>) = 3 [pid 7793] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] <... umount2 resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./152/file0", [pid 7798] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7796] <... futex resumed>) = 0 [pid 7793] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] chdir("./file0" [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7796] ftruncate(4, 33587195 [pid 7794] <... chdir resumed>) = 0 [pid 7798] <... openat resumed>) = 3 [pid 7793] <... futex resumed>) = 0 [pid 5054] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7798] chdir("./file0" [pid 7794] ioctl(4, LOOP_CLR_FD [pid 7793] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7798] <... chdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7798] ioctl(4, LOOP_CLR_FD [pid 5054] newfstatat(AT_FDCWD, "./145/file0", [pid 5051] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7798] <... ioctl resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7798] close(4 [pid 5054] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 4 [pid 7798] <... close resumed>) = 0 [pid 7796] <... ftruncate resumed>) = 0 [pid 7794] <... ioctl resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7798] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] close(4 [pid 5054] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] newfstatat(4, "", [pid 7798] <... futex resumed>) = 1 [pid 7795] <... futex resumed>) = 0 [pid 7798] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7795] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] <... close resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7798] <... open resumed>) = 4 [pid 7795] <... futex resumed>) = 0 [pid 7794] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(4, "", [pid 5051] getdents64(4, [pid 7798] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7795] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7798] <... futex resumed>) = 0 [pid 7795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] getdents64(4, [pid 5051] getdents64(4, [pid 7798] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7795] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7798] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7795] <... futex resumed>) = 0 [pid 5054] getdents64(4, [pid 5051] close(4 [pid 7798] ftruncate(4, 33587195 [pid 7795] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... close resumed>) = 0 [pid 7798] <... ftruncate resumed>) = 0 [pid 7794] <... futex resumed>) = 1 [pid 7792] <... futex resumed>) = 0 [pid 5054] close(4 [ 258.621163][ T29] audit: type=1800 audit(1698988403.354:893): pid=7796 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 5051] rmdir("./152/file0" [pid 7796] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7792] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7796] <... futex resumed>) = 1 [pid 7798] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7793] <... futex resumed>) = 0 [pid 7796] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7798] <... futex resumed>) = 1 [pid 7796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7794] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7793] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] creat("./bus", 040 [pid 7798] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7793] <... futex resumed>) = 0 [pid 7793] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7795] <... futex resumed>) = 0 [pid 7795] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7798] <... futex resumed>) = 0 [pid 7795] <... futex resumed>) = 1 [pid 7798] creat("./bus", 040 [pid 7795] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7794] <... open resumed>) = 4 [pid 7796] <... creat resumed>) = 5 [pid 7792] <... futex resumed>) = 0 [pid 7792] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] rmdir("./145/file0" [pid 5051] getdents64(3, [pid 7794] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7794] <... futex resumed>) = 0 [pid 5054] getdents64(3, [pid 5051] close(3 [pid 7794] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... close resumed>) = 0 [pid 7792] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] close(3 [pid 5051] rmdir("./152" [pid 7798] <... creat resumed>) = 5 [pid 7794] <... futex resumed>) = 0 [pid 7792] <... futex resumed>) = 1 [pid 5054] <... close resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7794] ftruncate(4, 33587195 [pid 7796] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7794] <... ftruncate resumed>) = 0 [pid 7792] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] rmdir("./145" [pid 5051] mkdir("./153", 0777 [pid 7794] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7798] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] <... futex resumed>) = 1 [pid 7794] <... futex resumed>) = 0 [pid 7793] <... futex resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 7794] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7798] <... futex resumed>) = 1 [pid 7796] mkdirat(AT_FDCWD, "./file0", 000 [pid 7795] <... futex resumed>) = 0 [pid 7793] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] mkdir("./146", 0777 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7796] <... mkdirat resumed>) = 0 [pid 7795] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7793] <... futex resumed>) = 0 [pid 7792] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... mkdir resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7795] <... futex resumed>) = 0 [pid 7793] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7792] <... futex resumed>) = 1 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7795] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7794] <... futex resumed>) = 0 [pid 7792] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... openat resumed>) = 3 [pid 7798] mkdirat(AT_FDCWD, "./file0", 000 [pid 7794] creat("./bus", 040 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7798] <... mkdirat resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 5054] close(3 [pid 5051] <... close resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7794] <... creat resumed>) = 5 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7807 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7806 [pid 7798] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7796] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7806 attached [pid 7798] <... futex resumed>) = 1 [pid 7796] <... futex resumed>) = 1 [pid 7795] <... futex resumed>) = 0 [pid 7793] <... futex resumed>) = 0 [pid 7796] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7807 attached [pid 7806] set_robust_list(0x55555656d6a0, 24 [pid 7798] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7795] exit_group(0 [pid 7793] exit_group(0 [pid 7806] <... set_robust_list resumed>) = 0 [pid 7798] <... futex resumed>) = ? [pid 7795] <... exit_group resumed>) = ? [pid 7793] <... exit_group resumed>) = ? [pid 7806] chdir("./153" [pid 7798] +++ exited with 0 +++ [pid 7796] <... futex resumed>) = ? [pid 7795] +++ exited with 0 +++ [pid 7794] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7795, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7807] set_robust_list(0x55555656d6a0, 24 [pid 7806] <... chdir resumed>) = 0 [pid 7807] <... set_robust_list resumed>) = 0 [pid 7806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7807] chdir("./146" [pid 7806] <... prctl resumed>) = 0 [pid 7807] <... chdir resumed>) = 0 [pid 7806] setpgid(0, 0 [pid 7794] <... futex resumed>) = 1 [pid 7792] <... futex resumed>) = 0 [pid 5056] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7806] <... setpgid resumed>) = 0 [pid 7794] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 258.662043][ T29] audit: type=1800 audit(1698988403.414:894): pid=7798 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 7792] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7807] <... prctl resumed>) = 0 [pid 7806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7792] <... futex resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7807] setpgid(0, 0 [pid 7806] <... openat resumed>) = 3 [pid 7794] mkdirat(AT_FDCWD, "./file0", 000 [pid 7792] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... openat resumed>) = 3 [pid 7807] <... setpgid resumed>) = 0 [pid 7806] write(3, "1000", 4 [pid 5056] newfstatat(3, "", [pid 7807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7806] <... write resumed>) = 4 [pid 7796] +++ exited with 0 +++ [pid 7794] <... mkdirat resumed>) = 0 [pid 7793] +++ exited with 0 +++ [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7807] <... openat resumed>) = 3 [pid 7806] close(3 [pid 5056] getdents64(3, [pid 7806] <... close resumed>) = 0 [pid 7794] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7807] write(3, "1000", 4 [pid 7806] symlink("/dev/binderfs", "./binderfs" [pid 5056] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7793, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 7807] <... write resumed>) = 4 [pid 7806] <... symlink resumed>) = 0 [pid 7794] <... futex resumed>) = 1 [pid 7792] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7807] close(3 [pid 7792] exit_group(0 [pid 5056] newfstatat(AT_FDCWD, "./148/binderfs", [pid 7807] <... close resumed>) = 0 [pid 7806] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7792] <... exit_group resumed>) = ? [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 7807] symlink("/dev/binderfs", "./binderfs" [pid 7806] <... futex resumed>) = 0 [pid 5056] unlink("./148/binderfs" [pid 7807] <... symlink resumed>) = 0 [pid 7794] +++ exited with 0 +++ [pid 7792] +++ exited with 0 +++ [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... restart_syscall resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7792, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5055] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... unlink resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./146/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 5056] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7807] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 4 [pid 5052] newfstatat(AT_FDCWD, "./149/binderfs", [pid 5055] newfstatat(4, "", [pid 5053] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] unlink("./149/binderfs") = 0 [pid 5055] getdents64(4, [pid 5053] <... openat resumed>) = 3 [pid 5052] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7806] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7807] <... futex resumed>) = 0 [pid 7807] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7807] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7807] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7806] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7807] <... mprotect resumed>) = 0 [pid 7806] <... mprotect resumed>) = 0 [pid 5055] getdents64(4, [pid 7807] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7806] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4 [pid 5053] newfstatat(3, "", [pid 5055] <... close resumed>) = 0 [pid 7806] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] rmdir("./146/file0" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7808]}, 88) = 7808 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, [pid 7806] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] getdents64(3, [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7806] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7806] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7808 attached [pid 7807] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7808] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7807] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7808] <... rseq resumed>) = 0 [pid 7808] set_robust_list(0x7f8728ba99a0, 24 [pid 7807] <... clone3 resumed> => {parent_tid=[7809]}, 88) = 7809 [pid 7808] <... set_robust_list resumed>) = 0 [pid 7807] rt_sigprocmask(SIG_SETMASK, [], [pid 7808] rt_sigprocmask(SIG_SETMASK, [], [pid 7807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7807] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] close(3 [pid 5053] newfstatat(AT_FDCWD, "./148/binderfs", [pid 7808] memfd_create("syzkaller", 0 [pid 7807] <... futex resumed>) = 0 [pid 7808] <... memfd_create resumed>) = 3 [pid 7807] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... close resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7809 attached [pid 7808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7809] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7808] <... mmap resumed>) = 0x7f8720789000 [ 258.742033][ T29] audit: type=1800 audit(1698988403.444:895): pid=7794 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 5055] rmdir("./146" [pid 5053] unlink("./148/binderfs" [pid 7809] <... rseq resumed>) = 0 [pid 7809] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 7809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7809] memfd_create("syzkaller", 0 [pid 5053] <... unlink resumed>) = 0 [pid 7809] <... memfd_create resumed>) = 3 [pid 5055] mkdir("./147", 0777 [pid 5053] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5055] <... mkdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5056] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./148/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./148/file0") = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./148") = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7810 ./strace-static-x86_64: Process 7810 attached [pid 5056] mkdir("./149", 0777 [pid 7810] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... mkdir resumed>) = 0 [pid 7810] <... set_robust_list resumed>) = 0 [pid 7808] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7810] chdir("./147") = 0 [pid 7810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7809] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7810] <... prctl resumed>) = 0 [pid 7810] setpgid(0, 0) = 0 [pid 7810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7810] write(3, "1000", 4 [pid 5056] <... openat resumed>) = 3 [pid 7810] <... write resumed>) = 4 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 7810] close(3 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... umount2 resumed>) = 0 [pid 5052] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./149/file0", [pid 7810] <... close resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7811 attached [pid 5052] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7810] symlink("/dev/binderfs", "./binderfs" [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7810] <... symlink resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", [pid 7810] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7810] <... futex resumed>) = 0 [pid 5052] getdents64(4, [pid 7811] set_robust_list(0x55555656d6a0, 24 [pid 7810] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7811 [pid 7810] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7811] <... set_robust_list resumed>) = 0 [pid 5052] getdents64(4, [pid 7811] chdir("./149" [pid 7810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4 [pid 7811] <... chdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] rmdir("./149/file0" [pid 7811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7811] setpgid(0, 0 [pid 5053] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(3, [pid 7811] <... setpgid resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] newfstatat(AT_FDCWD, "./148/file0", [pid 5052] close(3 [pid 7810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... close resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] rmdir("./149" [pid 7811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... rmdir resumed>) = 0 [pid 7810] <... mmap resumed>) = 0x7f8728b89000 [pid 7811] <... openat resumed>) = 3 [pid 5053] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] mkdir("./150", 0777 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7811] write(3, "1000", 4 [pid 7810] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... mkdir resumed>) = 0 [pid 7810] <... mprotect resumed>) = 0 [pid 7811] <... write resumed>) = 4 [pid 5053] <... openat resumed>) = 4 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7811] close(3 [pid 7810] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] newfstatat(4, "", [pid 7811] <... close resumed>) = 0 [pid 7810] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7811] symlink("/dev/binderfs", "./binderfs" [pid 7810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 7812 attached [pid 7812] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7811] <... symlink resumed>) = 0 [pid 7810] <... clone3 resumed> => {parent_tid=[7812]}, 88) = 7812 [pid 5053] getdents64(4, [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7812] <... rseq resumed>) = 0 [pid 7810] rt_sigprocmask(SIG_SETMASK, [], [pid 7812] set_robust_list(0x7f8728ba99a0, 24 [pid 7811] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7812] <... set_robust_list resumed>) = 0 [pid 7811] <... futex resumed>) = 0 [pid 7810] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(4, [pid 5052] close(3 [pid 7812] rt_sigprocmask(SIG_SETMASK, [], [pid 7811] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... close resumed>) = 0 [pid 7812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7811] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7810] <... futex resumed>) = 0 [pid 5053] close(4 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7812] memfd_create("syzkaller", 0 [pid 7811] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7810] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7813 attached [pid 7812] <... memfd_create resumed>) = 3 [pid 5053] <... close resumed>) = 0 [pid 7812] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] rmdir("./148/file0" [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7813 [pid 7812] <... mmap resumed>) = 0x7f8720789000 [pid 5053] <... rmdir resumed>) = 0 [pid 7811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7813] set_robust_list(0x55555656d6a0, 24 [pid 7811] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] getdents64(3, [pid 7811] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7813] <... set_robust_list resumed>) = 0 [pid 7811] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] close(3 [pid 7811] <... mprotect resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 7813] chdir("./150" [pid 5053] rmdir("./148" [pid 7813] <... chdir resumed>) = 0 [pid 7811] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] <... rmdir resumed>) = 0 [pid 7813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7811] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] mkdir("./149", 0777 [pid 7813] <... prctl resumed>) = 0 [pid 7811] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7814]}, 88) = 7814 [pid 5053] <... mkdir resumed>) = 0 [pid 7811] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7814 attached [pid 7813] setpgid(0, 0 [pid 7811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7814] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7811] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] <... rseq resumed>) = 0 [pid 7811] <... futex resumed>) = 0 [pid 7814] set_robust_list(0x7f8728ba99a0, 24 [pid 7813] <... setpgid resumed>) = 0 [pid 7811] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7814] <... set_robust_list resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7814] memfd_create("syzkaller", 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7814] <... memfd_create resumed>) = 3 [pid 7813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7814] <... mmap resumed>) = 0x7f8720789000 [pid 5053] close(3 [pid 7813] <... openat resumed>) = 3 [pid 5053] <... close resumed>) = 0 [pid 7813] write(3, "1000", 4 [pid 7809] <... write resumed>) = 4194304 [pid 7808] <... write resumed>) = 4194304 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7813] <... write resumed>) = 4 ./strace-static-x86_64: Process 7815 attached [pid 7813] close(3 [pid 7812] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7815] set_robust_list(0x55555656d6a0, 24 [pid 7813] <... close resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7815 [pid 7813] symlink("/dev/binderfs", "./binderfs" [pid 7809] munmap(0x7f8720789000, 138412032 [pid 7815] <... set_robust_list resumed>) = 0 [pid 7813] <... symlink resumed>) = 0 [pid 7813] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7813] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7815] chdir("./149" [pid 7813] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7815] <... chdir resumed>) = 0 [pid 7814] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7808] munmap(0x7f8720789000, 138412032 [pid 7815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7815] setpgid(0, 0 [pid 7813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7815] <... setpgid resumed>) = 0 [pid 7813] <... mmap resumed>) = 0x7f8728b89000 [pid 7809] <... munmap resumed>) = 0 [pid 7809] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7813] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7809] <... openat resumed>) = 4 [pid 7815] <... openat resumed>) = 3 [pid 7813] <... mprotect resumed>) = 0 [pid 7809] ioctl(4, LOOP_SET_FD, 3 [pid 7808] <... munmap resumed>) = 0 [pid 7813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7815] write(3, "1000", 4 [pid 7808] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7815] <... write resumed>) = 4 [pid 7815] close(3 [pid 7808] <... openat resumed>) = 4 [pid 7808] ioctl(4, LOOP_SET_FD, 3 [pid 7815] <... close resumed>) = 0 [pid 7813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7809] <... ioctl resumed>) = 0 [pid 7815] symlink("/dev/binderfs", "./binderfs" [pid 7813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7808] <... ioctl resumed>) = 0 [pid 7809] close(3./strace-static-x86_64: Process 7816 attached [pid 7815] <... symlink resumed>) = 0 [pid 7813] <... clone3 resumed> => {parent_tid=[7816]}, 88) = 7816 [pid 7809] <... close resumed>) = 0 [pid 7808] close(3 [pid 7816] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7815] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7813] rt_sigprocmask(SIG_SETMASK, [], [pid 7809] mkdir("./file0", 0777 [pid 7808] <... close resumed>) = 0 [pid 7816] <... rseq resumed>) = 0 [pid 7815] <... futex resumed>) = 0 [pid 7813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7809] <... mkdir resumed>) = 0 [pid 7808] mkdir("./file0", 0777 [pid 7816] set_robust_list(0x7f8728ba99a0, 24 [pid 7815] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7813] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7816] <... set_robust_list resumed>) = 0 [pid 7815] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7813] <... futex resumed>) = 0 [pid 7815] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7813] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7816] rt_sigprocmask(SIG_SETMASK, [], [pid 7815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7808] <... mkdir resumed>) = 0 [pid 7809] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7815] <... mmap resumed>) = 0x7f8728b89000 [pid 7816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7815] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7815] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7816] memfd_create("syzkaller", 0 [pid 7815] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7815] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7808] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7816] <... memfd_create resumed>) = 3 [pid 7816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7815] <... clone3 resumed> => {parent_tid=[7817]}, 88) = 7817 [pid 7816] <... mmap resumed>) = 0x7f8720789000 [pid 7815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 7817 attached [pid 7817] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7817] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7817] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7815] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 259.114947][ T7809] loop3: detected capacity change from 0 to 8192 [ 259.124166][ T7808] loop0: detected capacity change from 0 to 8192 [pid 7815] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7817] <... futex resumed>) = 0 [pid 7817] memfd_create("syzkaller", 0) = 3 [pid 7817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7812] <... write resumed>) = 4194304 [ 259.185488][ T7809] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.199235][ T7808] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7816] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7817] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7814] <... write resumed>) = 4194304 [pid 7812] munmap(0x7f8720789000, 138412032 [pid 7814] munmap(0x7f8720789000, 138412032 [pid 7812] <... munmap resumed>) = 0 [pid 7814] <... munmap resumed>) = 0 [pid 7812] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 259.236598][ T7809] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 259.250775][ T7808] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 259.276318][ T7809] REISERFS (device loop3): using ordered data mode [pid 7812] ioctl(4, LOOP_SET_FD, 3 [pid 7814] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 259.284104][ T7808] REISERFS (device loop0): using ordered data mode [ 259.284301][ T7812] loop4: detected capacity change from 0 to 8192 [ 259.290705][ T7808] reiserfs: using flush barriers [ 259.298376][ T7814] loop5: detected capacity change from 0 to 8192 [ 259.313007][ T7809] reiserfs: using flush barriers [pid 7814] ioctl(4, LOOP_SET_FD, 3 [pid 7817] <... write resumed>) = 4194304 [pid 7814] <... ioctl resumed>) = 0 [pid 7812] <... ioctl resumed>) = 0 [pid 7817] munmap(0x7f8720789000, 138412032 [pid 7814] close(3 [pid 7812] close(3 [pid 7814] <... close resumed>) = 0 [pid 7812] <... close resumed>) = 0 [pid 7817] <... munmap resumed>) = 0 [pid 7817] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7814] mkdir("./file0", 0777 [pid 7812] mkdir("./file0", 0777 [pid 7814] <... mkdir resumed>) = 0 [pid 7812] <... mkdir resumed>) = 0 [pid 7814] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7812] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7817] <... openat resumed>) = 4 [ 259.323698][ T7808] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.345262][ T7809] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.369813][ T7817] loop2: detected capacity change from 0 to 8192 [ 259.375172][ T7808] REISERFS (device loop0): checking transaction log (loop0) [pid 7817] ioctl(4, LOOP_SET_FD, 3 [pid 7816] <... write resumed>) = 4194304 [pid 7817] <... ioctl resumed>) = 0 [pid 7816] munmap(0x7f8720789000, 138412032) = 0 [pid 7816] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 259.376770][ T7814] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.387078][ T7808] REISERFS (device loop0): Using tea hash to sort names [ 259.397324][ T7809] REISERFS (device loop3): checking transaction log (loop3) [ 259.410967][ T7812] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.419079][ T7816] loop1: detected capacity change from 0 to 8192 [pid 7816] ioctl(4, LOOP_SET_FD, 3 [pid 7817] close(3 [pid 7816] <... ioctl resumed>) = 0 [pid 7817] <... close resumed>) = 0 [pid 7817] mkdir("./file0", 0777) = 0 [pid 7816] close(3 [pid 7817] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7816] <... close resumed>) = 0 [pid 7808] <... mount resumed>) = 0 [ 259.425858][ T7808] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 259.430435][ T7814] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 259.449058][ T7814] REISERFS (device loop5): using ordered data mode [ 259.452657][ T7812] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 259.456857][ T7814] reiserfs: using flush barriers [ 259.466470][ T7812] REISERFS (device loop4): using ordered data mode [ 259.472578][ T7809] REISERFS (device loop3): Using tea hash to sort names [pid 7816] mkdir("./file0", 0777 [ 259.476745][ T7812] reiserfs: using flush barriers [ 259.483921][ T7817] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.490698][ T7814] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.501804][ T7812] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7808] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7816] <... mkdir resumed>) = 0 [pid 7809] <... mount resumed>) = 0 [pid 7808] <... openat resumed>) = 3 [pid 7809] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7809] chdir("./file0" [pid 7816] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 259.522253][ T7814] REISERFS (device loop5): checking transaction log (loop5) [ 259.534245][ T7809] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 259.541239][ T7817] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 259.552556][ T7812] REISERFS (device loop4): checking transaction log (loop4) [ 259.560731][ T7817] REISERFS (device loop2): using ordered data mode [ 259.573290][ T7817] reiserfs: using flush barriers [ 259.578774][ T7814] REISERFS (device loop5): Using tea hash to sort names [pid 7808] chdir("./file0" [pid 7809] <... chdir resumed>) = 0 [pid 7808] <... chdir resumed>) = 0 [pid 7808] ioctl(4, LOOP_CLR_FD) = 0 [pid 7809] ioctl(4, LOOP_CLR_FD [pid 7808] close(4 [pid 7809] <... ioctl resumed>) = 0 [pid 7808] <... close resumed>) = 0 [pid 7809] close(4 [ 259.583859][ T7812] REISERFS (device loop4): Using tea hash to sort names [ 259.586628][ T7816] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 259.593035][ T7812] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 259.605673][ T7816] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 259.605798][ T7816] REISERFS (device loop1): using ordered data mode [pid 7808] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] <... close resumed>) = 0 [pid 7808] <... futex resumed>) = 1 [pid 7806] <... futex resumed>) = 0 [pid 7808] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7806] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... open resumed>) = 4 [pid 7806] <... futex resumed>) = 0 [pid 7808] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] <... futex resumed>) = 0 [pid 7806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7812] <... mount resumed>) = 0 [pid 7809] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] ftruncate(4, 33587195 [pid 7806] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] <... futex resumed>) = 1 [pid 7806] <... futex resumed>) = 0 [pid 7809] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 259.614751][ T7817] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.623847][ T7816] reiserfs: using flush barriers [ 259.625589][ T7816] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 259.639406][ T7814] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 259.647077][ T7816] REISERFS (device loop1): checking transaction log (loop1) [pid 7806] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] <... ftruncate resumed>) = 0 [pid 7814] <... mount resumed>) = 0 [pid 7812] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7808] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7807] <... futex resumed>) = 0 [pid 7814] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7812] <... openat resumed>) = 3 [pid 7808] <... futex resumed>) = 1 [pid 7807] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] chdir("./file0" [pid 7812] chdir("./file0" [pid 7809] <... futex resumed>) = 0 [pid 7808] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] <... futex resumed>) = 1 [pid 7814] <... chdir resumed>) = 0 [pid 7812] <... chdir resumed>) = 0 [pid 7807] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7806] <... futex resumed>) = 0 [ 259.663832][ T29] audit: type=1800 audit(1698988404.404:896): pid=7808 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 259.668896][ T7817] REISERFS (device loop2): checking transaction log (loop2) [ 259.713201][ T7817] REISERFS (device loop2): Using tea hash to sort names [ 259.713226][ T7816] REISERFS (device loop1): Using tea hash to sort names [ 259.721109][ T7817] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7814] ioctl(4, LOOP_CLR_FD [pid 7812] ioctl(4, LOOP_CLR_FD [pid 7809] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7806] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] <... ioctl resumed>) = 0 [pid 7814] <... ioctl resumed>) = 0 [pid 7812] close(4 [pid 7809] <... open resumed>) = 4 [pid 7808] <... futex resumed>) = 0 [pid 7806] <... futex resumed>) = 1 [pid 7806] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] creat("./bus", 040 [pid 7812] <... close resumed>) = 0 [pid 7809] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7807] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] close(4 [pid 7812] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] ftruncate(4, 33587195 [pid 7812] <... futex resumed>) = 1 [pid 7814] <... close resumed>) = 0 [pid 7810] <... futex resumed>) = 0 [pid 7807] <... futex resumed>) = 0 [pid 7810] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7814] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7810] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7809] <... ftruncate resumed>) = 0 [pid 7807] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7812] <... open resumed>) = 4 [pid 7814] <... futex resumed>) = 1 [pid 7811] <... futex resumed>) = 0 [pid 7812] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7812] <... futex resumed>) = 1 [pid 7811] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] <... futex resumed>) = 0 [pid 7809] <... futex resumed>) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7812] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7811] <... futex resumed>) = 0 [pid 7810] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] creat("./bus", 040 [pid 7807] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7811] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7810] <... futex resumed>) = 0 [pid 7810] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7812] ftruncate(4, 33587195 [pid 7809] <... creat resumed>) = 5 [pid 7807] <... futex resumed>) = 0 [pid 7814] <... open resumed>) = 4 [pid 7807] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7812] <... ftruncate resumed>) = 0 [pid 7814] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7812] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7811] <... futex resumed>) = 0 [pid 7809] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... creat resumed>) = 5 [pid 7814] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7812] <... futex resumed>) = 1 [pid 7811] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] <... futex resumed>) = 0 [pid 7809] <... futex resumed>) = 1 [pid 7807] <... futex resumed>) = 0 [pid 7816] <... mount resumed>) = 0 [pid 7814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7812] creat("./bus", 040 [pid 7811] <... futex resumed>) = 0 [ 259.743506][ T29] audit: type=1800 audit(1698988404.494:897): pid=7809 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 259.750468][ T7816] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7810] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7808] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7807] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7816] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7814] ftruncate(4, 33587195 [pid 7812] <... creat resumed>) = 5 [pid 7811] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7810] <... futex resumed>) = 0 [pid 7809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7808] <... futex resumed>) = 0 [pid 7807] <... futex resumed>) = 0 [pid 7806] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7817] <... mount resumed>) = 0 [pid 7816] <... openat resumed>) = 3 [pid 7814] <... ftruncate resumed>) = 0 [pid 7812] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7810] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7809] mkdirat(AT_FDCWD, "./file0", 000 [pid 7808] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7817] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7812] <... futex resumed>) = 0 [pid 7806] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7817] <... openat resumed>) = 3 [pid 7812] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7809] <... mkdirat resumed>) = 0 [pid 7806] <... futex resumed>) = 0 [pid 7817] chdir("./file0" [pid 7808] mkdirat(AT_FDCWD, "./file0", 000 [pid 7817] <... chdir resumed>) = 0 [pid 7810] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7806] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7817] ioctl(4, LOOP_CLR_FD [pid 7812] <... futex resumed>) = 0 [pid 7810] <... futex resumed>) = 1 [pid 7809] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7808] <... mkdirat resumed>) = 0 [pid 7817] <... ioctl resumed>) = 0 [pid 7816] chdir("./file0" [pid 7814] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] mkdirat(AT_FDCWD, "./file0", 000 [pid 7809] <... futex resumed>) = 1 [pid 7808] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7807] <... futex resumed>) = 0 [pid 7817] close(4 [pid 7810] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7817] <... close resumed>) = 0 [pid 7812] <... mkdirat resumed>) = 0 [pid 7809] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7808] <... futex resumed>) = 1 [pid 7807] exit_group(0 [pid 7806] <... futex resumed>) = 0 [pid 7817] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7809] <... futex resumed>) = ? [pid 7808] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7807] <... exit_group resumed>) = ? [pid 7806] exit_group(0 [pid 7817] <... futex resumed>) = 1 [pid 7815] <... futex resumed>) = 0 [pid 7812] <... futex resumed>) = 1 [pid 7809] +++ exited with 0 +++ [pid 7817] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7810] <... futex resumed>) = 0 [pid 7806] <... exit_group resumed>) = ? [pid 7810] exit_group(0) = ? [pid 7807] +++ exited with 0 +++ [pid 7815] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7817] <... futex resumed>) = 0 [pid 7815] <... futex resumed>) = 1 [pid 7808] <... futex resumed>) = ? [pid 7817] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7807, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 7817] <... open resumed>) = 4 [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 7817] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7812] +++ exited with 0 +++ [pid 7810] +++ exited with 0 +++ [pid 7817] <... futex resumed>) = 0 [pid 5054] <... restart_syscall resumed>) = 0 [pid 7817] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7810, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 5054] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7815] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7808] +++ exited with 0 +++ [pid 7806] +++ exited with 0 +++ [pid 5055] <... restart_syscall resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7816] <... chdir resumed>) = 0 [pid 7815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7814] <... futex resumed>) = 1 [pid 7811] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7816] ioctl(4, LOOP_CLR_FD [pid 7815] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] creat("./bus", 040 [pid 7811] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7806, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7817] <... futex resumed>) = 0 [pid 7816] <... ioctl resumed>) = 0 [pid 7815] <... futex resumed>) = 1 [pid 5055] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... openat resumed>) = 3 [pid 7817] ftruncate(4, 33587195 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(3, "", [pid 5055] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7817] <... ftruncate resumed>) = 0 [pid 7816] close(4 [pid 7815] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7814] <... creat resumed>) = 5 [pid 7811] <... futex resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] getdents64(3, [pid 7817] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7816] <... close resumed>) = 0 [pid 7811] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] newfstatat(3, "", [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7817] <... futex resumed>) = 1 [pid 7816] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 259.811299][ T29] audit: type=1800 audit(1698988404.544:898): pid=7812 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 5054] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7817] creat("./bus", 040 [pid 7816] <... futex resumed>) = 1 [pid 7815] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7813] <... futex resumed>) = 0 [pid 5055] getdents64(3, [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7817] <... creat resumed>) = 5 [pid 7815] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] newfstatat(AT_FDCWD, "./146/binderfs", [pid 7817] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7816] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7815] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7813] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7817] <... futex resumed>) = 0 [pid 7816] <... open resumed>) = 4 [pid 7815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7814] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7813] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] unlink("./146/binderfs" [pid 5051] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7817] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7815] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] <... futex resumed>) = 1 [pid 7813] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7811] <... futex resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./147/binderfs", [pid 5054] <... unlink resumed>) = 0 [pid 7817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7816] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] <... futex resumed>) = 0 [pid 7814] mkdirat(AT_FDCWD, "./file0", 000 [pid 7813] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7811] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 7817] mkdirat(AT_FDCWD, "./file0", 000 [pid 7816] <... futex resumed>) = 0 [pid 7815] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7814] <... mkdirat resumed>) = 0 [pid 7813] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7811] <... futex resumed>) = 0 [pid 5055] unlink("./147/binderfs" [pid 5051] newfstatat(3, "", [pid 7817] <... mkdirat resumed>) = 0 [pid 7813] <... futex resumed>) = 0 [pid 7811] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... unlink resumed>) = 0 [pid 7816] ftruncate(4, 33587195 [pid 7814] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7817] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7814] <... futex resumed>) = 0 [pid 7813] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5055] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7817] <... futex resumed>) = 1 [pid 7816] <... ftruncate resumed>) = 0 [pid 7815] <... futex resumed>) = 0 [pid 5051] getdents64(3, [pid 7817] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7815] exit_group(0 [pid 7811] exit_group(0 [pid 7815] <... exit_group resumed>) = ? [pid 7811] <... exit_group resumed>) = ? [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7817] <... futex resumed>) = ? [pid 5051] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./153/binderfs", [pid 7817] +++ exited with 0 +++ [pid 7816] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7815] +++ exited with 0 +++ [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7816] <... futex resumed>) = 1 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7815, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5053] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7814] +++ exited with 0 +++ [pid 7811] +++ exited with 0 +++ [pid 5051] unlink("./153/binderfs" [pid 5053] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7811, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... unlink resumed>) = 0 [pid 5056] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", [pid 7813] <... futex resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7813] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(3, "", [pid 7813] <... futex resumed>) = 1 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7816] <... futex resumed>) = 0 [pid 7813] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7816] creat("./bus", 040 [ 259.911109][ T29] audit: type=1800 audit(1698988404.544:899): pid=7814 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 5053] getdents64(3, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7816] <... creat resumed>) = 5 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(3, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7816] <... futex resumed>) = 1 [pid 7813] <... futex resumed>) = 0 [pid 7816] mkdirat(AT_FDCWD, "./file0", 000 [pid 7813] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] newfstatat(AT_FDCWD, "./149/binderfs", [pid 7813] <... futex resumed>) = 0 [pid 7816] <... mkdirat resumed>) = 0 [pid 7813] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./149/binderfs" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... unlink resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./149/binderfs", [pid 5053] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./149/binderfs") = 0 [pid 5056] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7816] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7813] <... futex resumed>) = 0 [pid 7813] exit_group(0 [pid 7816] ???( [pid 7813] <... exit_group resumed>) = ? [pid 7816] <... ??? resumed>) = ? [pid 7816] +++ exited with 0 +++ [pid 7813] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7813, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5052] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5052] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./150/binderfs") = 0 [pid 5052] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = 0 [pid 5051] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./153/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5051] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] newfstatat(AT_FDCWD, "./146/file0", [pid 5051] <... openat resumed>) = 4 [pid 5051] newfstatat(4, "", [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./153/file0") = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 5051] rmdir("./153") = 0 [pid 5051] mkdir("./154", 0777) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5054] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... umount2 resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5054] newfstatat(4, "", [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7824 ./strace-static-x86_64: Process 7824 attached [pid 7824] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7824] <... set_robust_list resumed>) = 0 [pid 5054] getdents64(4, [pid 7824] chdir("./154") = 0 [pid 7824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7824] setpgid(0, 0) = 0 [pid 7824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] newfstatat(AT_FDCWD, "./147/file0", [pid 5054] close(4 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] <... close resumed>) = 0 [pid 7824] <... openat resumed>) = 3 [pid 5055] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] rmdir("./146/file0" [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", [pid 5054] <... rmdir resumed>) = 0 [pid 5054] getdents64(3, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7824] write(3, "1000", 4 [pid 5055] getdents64(4, [pid 5054] close(3 [pid 7824] <... write resumed>) = 4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5054] rmdir("./146" [pid 5055] getdents64(4, [pid 7824] close(3 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7824] <... close resumed>) = 0 [pid 5055] close(4 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./147", 0777 [pid 7824] symlink("/dev/binderfs", "./binderfs" [pid 5055] <... close resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7824] <... symlink resumed>) = 0 [pid 5055] rmdir("./147/file0" [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] newfstatat(AT_FDCWD, "./149/file0", [pid 7824] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... rmdir resumed>) = 0 [pid 7824] <... futex resumed>) = 0 [pid 5055] getdents64(3, [pid 5054] <... openat resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7824] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] close(3 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... close resumed>) = 0 [pid 5054] close(3 [pid 5053] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] rmdir("./147" [pid 5054] <... close resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 7824] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] newfstatat(4, "", [pid 7824] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] mkdir("./148", 0777) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 ./strace-static-x86_64: Process 7825 attached [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7825 [pid 5053] getdents64(4, [pid 7825] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7825] <... set_robust_list resumed>) = 0 [pid 5055] close(3 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7825] chdir("./147" [pid 5055] <... close resumed>) = 0 [pid 5053] getdents64(4, [pid 7825] <... chdir resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] close(4 [pid 5052] <... umount2 resumed>) = 0 [pid 7824] <... mprotect resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 7825] <... prctl resumed>) = 0 [pid 7824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] rmdir("./149/file0" [pid 5052] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7826 attached [pid 7825] setpgid(0, 0 [pid 7824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7826] set_robust_list(0x55555656d6a0, 24 [pid 7825] <... setpgid resumed>) = 0 [pid 7824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7826 [pid 5053] getdents64(3, [pid 5052] newfstatat(AT_FDCWD, "./150/file0", [pid 7826] <... set_robust_list resumed>) = 0 [pid 7825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7826] chdir("./148" [pid 7825] <... openat resumed>) = 3 [pid 7824] <... clone3 resumed> => {parent_tid=[7827]}, 88) = 7827 [pid 5056] newfstatat(AT_FDCWD, "./149/file0", [pid 5053] close(3 [pid 5052] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7827 attached [pid 7826] <... chdir resumed>) = 0 [pid 7824] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... close resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7825] write(3, "1000", 4 [pid 7824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] rmdir("./149" [pid 5052] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7827] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7826] <... prctl resumed>) = 0 [pid 7825] <... write resumed>) = 4 [pid 7824] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... rmdir resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 7826] setpgid(0, 0 [pid 7825] close(3 [pid 7824] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] mkdir("./150", 0777 [pid 5052] newfstatat(4, "", [pid 7827] <... rseq resumed>) = 0 [pid 7826] <... setpgid resumed>) = 0 [pid 7825] <... close resumed>) = 0 [pid 7824] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... mkdir resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7825] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... openat resumed>) = 4 [pid 7827] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] getdents64(4, [pid 7827] <... set_robust_list resumed>) = 0 [pid 7825] <... symlink resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5053] <... openat resumed>) = 3 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7827] rt_sigprocmask(SIG_SETMASK, [], [pid 7826] <... openat resumed>) = 3 [pid 5052] getdents64(4, [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] close(4 [pid 7827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7825] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 5053] close(3 [pid 5052] <... close resumed>) = 0 [pid 7827] memfd_create("syzkaller", 0 [pid 7826] write(3, "1000", 4 [pid 7825] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... close resumed>) = 0 [pid 5052] rmdir("./150/file0" [pid 7827] <... memfd_create resumed>) = 3 [pid 7826] <... write resumed>) = 4 [pid 7825] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] getdents64(4, [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... rmdir resumed>) = 0 [pid 7827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7826] close(3 [pid 7827] <... mmap resumed>) = 0x7f8720789000 [pid 7826] <... close resumed>) = 0 [pid 7826] symlink("/dev/binderfs", "./binderfs" [pid 5052] getdents64(3, [pid 7825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] close(4 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... close resumed>) = 0 [pid 5052] close(3 [pid 5056] rmdir("./149/file0" [pid 5052] <... close resumed>) = 0 [pid 7826] <... symlink resumed>) = 0 [pid 7825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5052] rmdir("./150"./strace-static-x86_64: Process 7828 attached [pid 7825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7828] set_robust_list(0x55555656d6a0, 24 [pid 7825] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] getdents64(3, [pid 7828] <... set_robust_list resumed>) = 0 [pid 7825] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7828 [pid 7828] chdir("./150" [pid 7826] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7825] <... mprotect resumed>) = 0 [pid 5056] close(3 [pid 5052] mkdir("./151", 0777 [pid 7826] <... futex resumed>) = 0 [pid 7826] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7828] <... chdir resumed>) = 0 [pid 7825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... close resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 7828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] rmdir("./149" [pid 7825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7828] <... prctl resumed>) = 0 [pid 7825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... rmdir resumed>) = 0 [pid 7828] setpgid(0, 0./strace-static-x86_64: Process 7829 attached ) = 0 [pid 7825] <... clone3 resumed> => {parent_tid=[7829]}, 88) = 7829 [pid 5056] mkdir("./150", 0777 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7829] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7825] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... mkdir resumed>) = 0 [pid 7829] <... rseq resumed>) = 0 [pid 7828] <... openat resumed>) = 3 [pid 7826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7829] set_robust_list(0x7f8728ba99a0, 24 [pid 7826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7829] <... set_robust_list resumed>) = 0 [pid 7828] write(3, "1000", 4 [pid 7826] <... mmap resumed>) = 0x7f8728b89000 [pid 7825] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7829] rt_sigprocmask(SIG_SETMASK, [], [pid 7828] <... write resumed>) = 4 [pid 7826] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7825] <... futex resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7828] close(3 [pid 7826] <... mprotect resumed>) = 0 [pid 7825] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] close(3 [pid 7829] memfd_create("syzkaller", 0 [pid 7828] <... close resumed>) = 0 [pid 7826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = 0 [pid 7829] <... memfd_create resumed>) = 3 [pid 7828] symlink("/dev/binderfs", "./binderfs" [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7828] <... symlink resumed>) = 0 [pid 7826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7829] <... mmap resumed>) = 0x7f8720789000 [pid 5056] close(3 [pid 7828] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7828] <... futex resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7830 [pid 7828] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7828] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7830 attached [pid 7828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7832 attached ./strace-static-x86_64: Process 7831 attached NULL, 8) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7831 [pid 7828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7826] <... clone3 resumed> => {parent_tid=[7832]}, 88) = 7832 [pid 7831] set_robust_list(0x55555656d6a0, 24 [pid 7828] <... mmap resumed>) = 0x7f8728b89000 [pid 7832] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7831] <... set_robust_list resumed>) = 0 [pid 7830] set_robust_list(0x55555656d6a0, 24 [pid 7828] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7826] rt_sigprocmask(SIG_SETMASK, [], [pid 7832] <... rseq resumed>) = 0 [pid 7831] chdir("./150" [pid 7830] <... set_robust_list resumed>) = 0 [pid 7828] <... mprotect resumed>) = 0 [pid 7826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7832] set_robust_list(0x7f8728ba99a0, 24 [pid 7831] <... chdir resumed>) = 0 [pid 7830] chdir("./151" [pid 7828] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7826] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7832] <... set_robust_list resumed>) = 0 [pid 7831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7830] <... chdir resumed>) = 0 [pid 7832] rt_sigprocmask(SIG_SETMASK, [], [pid 7831] <... prctl resumed>) = 0 [pid 7830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7830] setpgid(0, 0) = 0 [pid 7830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7830] write(3, "1000", 4) = 4 [pid 7830] close(3 [pid 7828] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7830] <... close resumed>) = 0 [pid 7828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7833 attached [pid 7830] symlink("/dev/binderfs", "./binderfs" [pid 7833] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7831] setpgid(0, 0 [pid 7830] <... symlink resumed>) = 0 [pid 7828] <... clone3 resumed> => {parent_tid=[7833]}, 88) = 7833 [pid 7826] <... futex resumed>) = 0 [pid 7833] <... rseq resumed>) = 0 [pid 7833] set_robust_list(0x7f8728ba99a0, 24 [pid 7831] <... setpgid resumed>) = 0 [pid 7826] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7833] <... set_robust_list resumed>) = 0 [pid 7832] memfd_create("syzkaller", 0 [pid 7830] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7828] rt_sigprocmask(SIG_SETMASK, [], [pid 7833] rt_sigprocmask(SIG_SETMASK, [], [pid 7832] <... memfd_create resumed>) = 3 [pid 7830] <... futex resumed>) = 0 [pid 7828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7833] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7830] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7828] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] memfd_create("syzkaller", 0 [pid 7830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7828] <... futex resumed>) = 0 [pid 7832] <... mmap resumed>) = 0x7f8720789000 [pid 7833] <... memfd_create resumed>) = 3 [pid 7831] <... openat resumed>) = 3 [pid 7831] write(3, "1000", 4 [pid 7828] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7833] <... mmap resumed>) = 0x7f8720789000 [pid 7830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7830] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7831] <... write resumed>) = 4 [pid 7831] close(3) = 0 [pid 7831] symlink("/dev/binderfs", "./binderfs" [pid 7830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7831] <... symlink resumed>) = 0 [pid 7831] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7830] <... clone3 resumed> => {parent_tid=[7834]}, 88) = 7834 [pid 7831] <... futex resumed>) = 0 [pid 7830] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7834 attached [pid 7831] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7834] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7831] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7830] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7834] <... rseq resumed>) = 0 [pid 7831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7830] <... futex resumed>) = 0 [pid 7831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7830] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7834] set_robust_list(0x7f8728ba99a0, 24 [pid 7831] <... mmap resumed>) = 0x7f8728b89000 [pid 7831] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7834] <... set_robust_list resumed>) = 0 [pid 7831] <... mprotect resumed>) = 0 [pid 7834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7834] memfd_create("syzkaller", 0 [pid 7831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7827] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7834] <... memfd_create resumed>) = 3 [pid 7834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 ./strace-static-x86_64: Process 7835 attached [pid 7831] <... clone3 resumed> => {parent_tid=[7835]}, 88) = 7835 [pid 7831] rt_sigprocmask(SIG_SETMASK, [], [pid 7835] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7835] <... rseq resumed>) = 0 [pid 7835] set_robust_list(0x7f8728ba99a0, 24 [pid 7831] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] <... set_robust_list resumed>) = 0 [pid 7831] <... futex resumed>) = 0 [pid 7831] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7835] memfd_create("syzkaller", 0) = 3 [pid 7835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7834] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7827] <... write resumed>) = 4194304 [pid 7829] <... write resumed>) = 4194304 [pid 7829] munmap(0x7f8720789000, 138412032 [pid 7827] munmap(0x7f8720789000, 138412032 [pid 7829] <... munmap resumed>) = 0 [pid 7829] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7827] <... munmap resumed>) = 0 [pid 7829] <... openat resumed>) = 4 [pid 7829] ioctl(4, LOOP_SET_FD, 3 [pid 7833] <... write resumed>) = 4194304 [pid 7832] <... write resumed>) = 4194304 [pid 7829] <... ioctl resumed>) = 0 [pid 7827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7832] munmap(0x7f8720789000, 138412032 [pid 7827] ioctl(4, LOOP_SET_FD, 3 [pid 7833] munmap(0x7f8720789000, 138412032 [pid 7835] <... write resumed>) = 4194304 [pid 7832] <... munmap resumed>) = 0 [pid 7829] close(3 [pid 7827] <... ioctl resumed>) = 0 [pid 7835] munmap(0x7f8720789000, 138412032 [pid 7833] <... munmap resumed>) = 0 [pid 7832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7829] <... close resumed>) = 0 [pid 7827] close(3 [pid 7834] <... write resumed>) = 4194304 [pid 7833] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7832] <... openat resumed>) = 4 [pid 7829] mkdir("./file0", 0777 [pid 7827] <... close resumed>) = 0 [pid 7835] <... munmap resumed>) = 0 [pid 7834] munmap(0x7f8720789000, 138412032 [pid 7833] <... openat resumed>) = 4 [pid 7832] ioctl(4, LOOP_SET_FD, 3 [pid 7827] mkdir("./file0", 0777 [pid 7835] openat(AT_FDCWD, "/dev/loop5", O_RDWR [ 260.583859][ T7829] loop3: detected capacity change from 0 to 8192 [ 260.597115][ T7827] loop0: detected capacity change from 0 to 8192 [pid 7833] ioctl(4, LOOP_SET_FD, 3 [pid 7829] <... mkdir resumed>) = 0 [pid 7834] <... munmap resumed>) = 0 [pid 7835] <... openat resumed>) = 4 [pid 7827] <... mkdir resumed>) = 0 [pid 7834] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7829] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7835] ioctl(4, LOOP_SET_FD, 3 [pid 7834] <... openat resumed>) = 4 [pid 7833] <... ioctl resumed>) = 0 [pid 7832] <... ioctl resumed>) = 0 [pid 7827] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7834] ioctl(4, LOOP_SET_FD, 3 [pid 7833] close(3 [pid 7832] close(3 [pid 7835] <... ioctl resumed>) = 0 [pid 7833] <... close resumed>) = 0 [pid 7832] <... close resumed>) = 0 [pid 7833] mkdir("./file0", 0777 [pid 7832] mkdir("./file0", 0777 [pid 7833] <... mkdir resumed>) = 0 [pid 7832] <... mkdir resumed>) = 0 [ 260.626453][ T7833] loop2: detected capacity change from 0 to 8192 [ 260.628655][ T7832] loop4: detected capacity change from 0 to 8192 [ 260.641089][ T7835] loop5: detected capacity change from 0 to 8192 [ 260.648105][ T7829] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.648285][ T7834] loop1: detected capacity change from 0 to 8192 [ 260.661788][ T7829] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7832] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7835] close(3 [ 260.677333][ T7829] REISERFS (device loop3): using ordered data mode [ 260.684211][ T7829] reiserfs: using flush barriers [ 260.684365][ T7833] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.690997][ T7829] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.702337][ T7833] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 260.720849][ T7832] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.728191][ T7829] REISERFS (device loop3): checking transaction log (loop3) [ 260.742715][ T7827] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.749104][ T7832] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 260.770804][ T7832] REISERFS (device loop4): using ordered data mode [pid 7833] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7834] <... ioctl resumed>) = 0 [pid 7835] <... close resumed>) = 0 [pid 7835] mkdir("./file0", 0777) = 0 [pid 7835] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 260.776672][ T7835] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.777540][ T7832] reiserfs: using flush barriers [ 260.794636][ T7829] REISERFS (device loop3): Using tea hash to sort names [ 260.797679][ T7833] REISERFS (device loop2): using ordered data mode [ 260.803537][ T7829] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7834] close(3) = 0 [ 260.817810][ T7832] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.818375][ T7832] REISERFS (device loop4): checking transaction log (loop4) [ 260.834239][ T7833] reiserfs: using flush barriers [ 260.842055][ T7835] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 260.848941][ T7827] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7834] mkdir("./file0", 0777 [pid 7829] <... mount resumed>) = 0 [pid 7829] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7829] chdir("./file0") = 0 [pid 7834] <... mkdir resumed>) = 0 [pid 7829] ioctl(4, LOOP_CLR_FD) = 0 [pid 7829] close(4 [pid 7834] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7829] <... close resumed>) = 0 [pid 7829] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7825] <... futex resumed>) = 0 [pid 7829] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7825] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7825] <... futex resumed>) = 0 [pid 7829] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7825] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7829] <... open resumed>) = 4 [pid 7829] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7825] <... futex resumed>) = 0 [pid 7825] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7825] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 260.864740][ T7833] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.865591][ T7832] REISERFS (device loop4): Using tea hash to sort names [ 260.884780][ T7835] REISERFS (device loop5): using ordered data mode [ 260.890316][ T7827] REISERFS (device loop0): using ordered data mode [ 260.894415][ T7835] reiserfs: using flush barriers [ 260.901221][ T7827] reiserfs: using flush barriers [ 260.913043][ T7833] REISERFS (device loop2): checking transaction log (loop2) [pid 7829] ftruncate(4, 33587195) = 0 [pid 7829] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7829] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7825] <... futex resumed>) = 0 [pid 7825] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] <... futex resumed>) = 0 [pid 7825] <... futex resumed>) = 1 [pid 7829] creat("./bus", 040 [pid 7825] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7829] <... creat resumed>) = 5 [pid 7829] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7825] <... futex resumed>) = 0 [pid 7829] mkdirat(AT_FDCWD, "./file0", 000 [pid 7825] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7829] <... mkdirat resumed>) = 0 [pid 7825] <... futex resumed>) = 0 [pid 7825] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7829] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7825] <... futex resumed>) = 0 [pid 7825] exit_group(0) = ? [pid 7829] +++ exited with 0 +++ [pid 7825] +++ exited with 0 +++ [ 260.925615][ T7827] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 260.944724][ T7834] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 260.958625][ T7835] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7825, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5054] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, [pid 7832] <... mount resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7832] chdir("./file0") = 0 [pid 7832] ioctl(4, LOOP_CLR_FD) = 0 [pid 7832] close(4) = 0 [pid 7832] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7826] <... futex resumed>) = 0 [pid 7832] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7826] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7826] <... futex resumed>) = 0 [pid 7832] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7826] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7832] <... open resumed>) = 4 [pid 7832] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7832] <... futex resumed>) = 1 [pid 7826] <... futex resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./147/binderfs", [pid 7832] ftruncate(4, 33587195 [pid 7826] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7826] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7832] <... ftruncate resumed>) = 0 [ 260.975884][ T7832] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 260.989303][ T7833] REISERFS (device loop2): Using tea hash to sort names [ 260.990234][ T7827] REISERFS (device loop0): checking transaction log (loop0) [ 260.997583][ T7834] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 261.015886][ T7833] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] unlink("./147/binderfs" [pid 7832] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... unlink resumed>) = 0 [pid 7832] <... futex resumed>) = 1 [pid 7826] <... futex resumed>) = 0 [pid 5054] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7832] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7826] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7832] <... futex resumed>) = 0 [pid 7826] <... futex resumed>) = 1 [pid 7832] creat("./bus", 040 [pid 7826] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7832] <... creat resumed>) = 5 [pid 7832] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] <... mount resumed>) = 0 [pid 7832] <... futex resumed>) = 1 [pid 7827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 261.031084][ T7835] REISERFS (device loop5): checking transaction log (loop5) [ 261.034075][ T7834] REISERFS (device loop1): using ordered data mode [ 261.040169][ T7827] REISERFS (device loop0): Using tea hash to sort names [ 261.053103][ T7827] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 261.065398][ T7834] reiserfs: using flush barriers [pid 7832] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7826] <... futex resumed>) = 0 [pid 7826] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7832] <... futex resumed>) = 0 [pid 7826] <... futex resumed>) = 1 [pid 7832] mkdirat(AT_FDCWD, "./file0", 000 [pid 7826] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7832] <... mkdirat resumed>) = 0 [pid 7832] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7826] <... futex resumed>) = 0 [pid 7832] <... futex resumed>) = 1 [pid 7826] exit_group(0 [pid 7832] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7826] <... exit_group resumed>) = ? [pid 7832] <... futex resumed>) = ? [pid 7833] <... mount resumed>) = 0 [pid 7833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7833] chdir("./file0") = 0 [pid 7833] ioctl(4, LOOP_CLR_FD) = 0 [pid 7833] close(4) = 0 [pid 7833] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7833] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7827] <... openat resumed>) = 3 [pid 7827] chdir("./file0") = 0 [pid 7827] ioctl(4, LOOP_CLR_FD) = 0 [pid 7827] close(4) = 0 [pid 7827] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7828] <... futex resumed>) = 0 [pid 7824] <... futex resumed>) = 0 [pid 7832] +++ exited with 0 +++ [pid 7828] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7826] +++ exited with 0 +++ [pid 7824] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7827] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7828] <... futex resumed>) = 1 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7826, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7824] <... futex resumed>) = 0 [pid 5055] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7828] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7824] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7833] <... futex resumed>) = 0 [pid 7827] <... open resumed>) = 4 [pid 5055] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7833] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7827] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", [pid 7833] <... open resumed>) = 4 [pid 7827] <... futex resumed>) = 1 [pid 7824] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7824] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7824] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7833] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] ftruncate(4, 33587195 [pid 7833] <... futex resumed>) = 1 [pid 7828] <... futex resumed>) = 0 [pid 7827] <... ftruncate resumed>) = 0 [pid 5055] getdents64(3, [pid 7828] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7828] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7835] <... mount resumed>) = 0 [pid 7833] ftruncate(4, 33587195 [pid 7827] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7833] <... ftruncate resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7835] <... openat resumed>) = 3 [pid 7833] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] <... futex resumed>) = 1 [pid 7835] chdir("./file0" [pid 7833] <... futex resumed>) = 1 [pid 7828] <... futex resumed>) = 0 [pid 7827] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7824] <... futex resumed>) = 0 [pid 7835] <... chdir resumed>) = 0 [pid 7833] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7828] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7824] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] ioctl(4, LOOP_CLR_FD [pid 7833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7828] <... futex resumed>) = 0 [pid 7827] <... futex resumed>) = 0 [pid 7824] <... futex resumed>) = 1 [pid 7835] <... ioctl resumed>) = 0 [ 261.075533][ T7835] REISERFS (device loop5): Using tea hash to sort names [ 261.082955][ T7835] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 261.096359][ T7834] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7833] creat("./bus", 040 [pid 7828] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7827] creat("./bus", 040 [pid 7835] close(4 [pid 7824] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7827] <... creat resumed>) = 5 [pid 7835] <... close resumed>) = 0 [pid 7833] <... creat resumed>) = 5 [pid 5055] newfstatat(AT_FDCWD, "./148/binderfs", [pid 7835] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7835] <... futex resumed>) = 1 [pid 7831] <... futex resumed>) = 0 [pid 7827] <... futex resumed>) = 1 [pid 7824] <... futex resumed>) = 0 [pid 5055] unlink("./148/binderfs" [pid 7824] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7835] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7831] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] mkdirat(AT_FDCWD, "./file0", 000 [pid 7824] <... futex resumed>) = 0 [pid 7824] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... unlink resumed>) = 0 [pid 7835] <... open resumed>) = 4 [pid 7833] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7831] <... futex resumed>) = 0 [pid 7827] <... mkdirat resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 7833] <... futex resumed>) = 1 [pid 7831] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7828] <... futex resumed>) = 0 [pid 7827] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7828] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] <... futex resumed>) = 1 [pid 7824] <... futex resumed>) = 0 [pid 7828] <... futex resumed>) = 0 [pid 7827] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7833] mkdirat(AT_FDCWD, "./file0", 000 [pid 7828] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7824] exit_group(0 [pid 7835] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7833] <... mkdirat resumed>) = 0 [pid 7835] <... futex resumed>) = 1 [pid 7831] <... futex resumed>) = 0 [pid 7827] <... futex resumed>) = ? [pid 7824] <... exit_group resumed>) = ? [pid 7831] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7827] +++ exited with 0 +++ [pid 7833] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7831] <... futex resumed>) = 0 [pid 7833] <... futex resumed>) = 1 [pid 7831] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7828] <... futex resumed>) = 0 [pid 7835] ftruncate(4, 33587195 [pid 7833] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7828] exit_group(0 [pid 7833] <... futex resumed>) = ? [pid 7835] <... ftruncate resumed>) = 0 [pid 7828] <... exit_group resumed>) = ? [pid 7824] +++ exited with 0 +++ [pid 5055] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7824, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [ 261.146542][ T7834] REISERFS (device loop1): checking transaction log (loop1) [ 261.173348][ T7834] REISERFS (device loop1): Using tea hash to sort names [pid 7833] +++ exited with 0 +++ [pid 7828] +++ exited with 0 +++ [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7828, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5051] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7835] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./147/file0", [pid 5053] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7835] <... futex resumed>) = 1 [pid 7831] <... futex resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(3, "", [pid 7831] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7835] creat("./bus", 040 [pid 7831] <... futex resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5051] getdents64(3, [pid 5053] newfstatat(3, "", [pid 7835] <... creat resumed>) = 5 [pid 7831] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] getdents64(3, [pid 5051] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./154/binderfs", [pid 5054] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] newfstatat(4, "", [pid 5051] unlink("./154/binderfs" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./150/binderfs", [pid 5051] <... unlink resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7835] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7835] <... futex resumed>) = 1 [pid 7831] <... futex resumed>) = 0 [pid 5054] getdents64(4, [pid 5053] unlink("./150/binderfs" [pid 7835] mkdirat(AT_FDCWD, "./file0", 000 [pid 7831] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7831] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... unlink resumed>) = 0 [pid 5054] getdents64(4, [pid 5053] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7835] <... mkdirat resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7835] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7831] <... futex resumed>) = 0 [pid 5054] close(4 [pid 7835] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7831] exit_group(0 [pid 7835] <... futex resumed>) = ? [pid 7831] <... exit_group resumed>) = ? [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./147/file0" [pid 7835] +++ exited with 0 +++ [pid 7831] +++ exited with 0 +++ [pid 5054] <... rmdir resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7831, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5054] getdents64(3, [pid 7834] <... mount resumed>) = 0 [pid 5056] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] close(3 [ 261.216145][ T7834] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7834] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] <... openat resumed>) = 3 [pid 7834] <... openat resumed>) = 3 [pid 5056] newfstatat(3, "", [pid 5054] <... close resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7834] chdir("./file0" [pid 5056] getdents64(3, [pid 7834] <... chdir resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] rmdir("./147" [pid 7834] ioctl(4, LOOP_CLR_FD [pid 5056] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] <... rmdir resumed>) = 0 [pid 7834] <... ioctl resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./150/binderfs", [pid 5054] mkdir("./148", 0777 [pid 7834] close(4 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7834] <... close resumed>) = 0 [pid 5056] unlink("./150/binderfs" [pid 7834] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 7834] <... futex resumed>) = 1 [pid 7830] <... futex resumed>) = 0 [pid 5056] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7830] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7834] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7830] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 7834] <... open resumed>) = 4 [pid 7830] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 7834] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7834] <... futex resumed>) = 1 [pid 7830] <... futex resumed>) = 0 [pid 7834] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7842 attached [pid 7830] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7842] set_robust_list(0x55555656d6a0, 24 [pid 7830] <... futex resumed>) = 1 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7842 [pid 7842] <... set_robust_list resumed>) = 0 [pid 7830] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7842] chdir("./148" [pid 7834] <... futex resumed>) = 0 [pid 7834] ftruncate(4, 33587195) = 0 [pid 7842] <... chdir resumed>) = 0 [pid 7842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7842] setpgid(0, 0 [pid 7834] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7842] <... setpgid resumed>) = 0 [pid 7834] <... futex resumed>) = 1 [pid 7830] <... futex resumed>) = 0 [pid 7842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7834] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7830] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7830] <... futex resumed>) = 0 [pid 7834] creat("./bus", 040 [pid 7830] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7842] <... openat resumed>) = 3 [pid 7842] write(3, "1000", 4 [pid 7834] <... creat resumed>) = 5 [pid 7842] <... write resumed>) = 4 [pid 7842] close(3) = 0 [pid 7842] symlink("/dev/binderfs", "./binderfs" [pid 7834] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7830] <... futex resumed>) = 0 [pid 7830] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7842] <... symlink resumed>) = 0 [pid 7834] mkdirat(AT_FDCWD, "./file0", 000 [pid 7830] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = 0 [pid 7842] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7842] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7834] <... mkdirat resumed>) = 0 [pid 7842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7834] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7842] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7834] <... futex resumed>) = 1 [pid 7830] <... futex resumed>) = 0 [pid 7842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7834] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7830] exit_group(0 [pid 7842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7834] <... futex resumed>) = ? [pid 7830] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7843 attached [pid 7834] +++ exited with 0 +++ [pid 7830] +++ exited with 0 +++ [pid 7843] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7842] <... clone3 resumed> => {parent_tid=[7843]}, 88) = 7843 [pid 7843] <... rseq resumed>) = 0 [pid 7842] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7830, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7843] set_robust_list(0x7f8728ba99a0, 24 [pid 7842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 7843] <... set_robust_list resumed>) = 0 [pid 7842] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... restart_syscall resumed>) = 0 [pid 7842] <... futex resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./148/file0", [pid 7842] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7843] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7843] memfd_create("syzkaller", 0 [pid 5055] <... openat resumed>) = 4 [pid 5052] <... openat resumed>) = 3 [pid 5055] newfstatat(4, "", [pid 5052] newfstatat(3, "", [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, [pid 5052] getdents64(3, [pid 7843] <... memfd_create resumed>) = 3 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./151/binderfs") = 0 [pid 5052] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./148/file0") = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5055] rmdir("./148") = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 7843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5053] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./150/file0", [pid 5056] <... umount2 resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] mkdir("./149", 0777) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7844 attached [pid 5056] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = 0 [pid 7844] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7844] chdir("./149" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7844 [pid 7844] <... chdir resumed>) = 0 [pid 5051] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7844] <... prctl resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./154/file0", [pid 7844] setpgid(0, 0 [pid 5056] newfstatat(AT_FDCWD, "./150/file0", [pid 5053] <... openat resumed>) = 4 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] newfstatat(4, "", [pid 5056] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] getdents64(4, [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, [pid 7844] <... setpgid resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] newfstatat(4, "", [pid 5053] close(4) = 0 [pid 5051] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] rmdir("./150/file0" [pid 7844] <... openat resumed>) = 3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... rmdir resumed>) = 0 [pid 5056] getdents64(4, [pid 5053] getdents64(3, [pid 7844] write(3, "1000", 4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 7844] <... write resumed>) = 4 [pid 5053] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 4 [pid 5056] getdents64(4, [pid 5053] rmdir("./150" [pid 7844] close(3 [pid 5051] newfstatat(4, "", [pid 7844] <... close resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7844] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] getdents64(4, [pid 5056] close(4 [pid 5053] mkdir("./151", 0777 [pid 7844] <... symlink resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7844] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./150/file0" [pid 7844] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] close(4 [pid 7844] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5051] <... close resumed>) = 0 [pid 7844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5053] <... openat resumed>) = 3 [pid 5051] rmdir("./154/file0" [pid 7844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] <... rmdir resumed>) = 0 [pid 7844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7844] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] getdents64(3, [pid 7844] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 7844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] getdents64(3, [pid 7844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3 [pid 7843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7845 attached [pid 7844] <... clone3 resumed> => {parent_tid=[7845]}, 88) = 7845 [pid 5056] rmdir("./150" [pid 5051] close(3 [pid 7845] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7844] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... close resumed>) = 0 [pid 7845] <... rseq resumed>) = 0 [pid 7844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] rmdir("./154" [pid 7845] set_robust_list(0x7f8728ba99a0, 24 [pid 7844] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... rmdir resumed>) = 0 [pid 7845] <... set_robust_list resumed>) = 0 [pid 7844] <... futex resumed>) = 0 [pid 5051] mkdir("./155", 0777./strace-static-x86_64: Process 7846 attached [pid 7845] rt_sigprocmask(SIG_SETMASK, [], [pid 7844] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... rmdir resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 7845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7846] set_robust_list(0x55555656d6a0, 24 [pid 5056] mkdir("./151", 0777 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7846 [pid 7845] memfd_create("syzkaller", 0) = 3 [pid 7846] <... set_robust_list resumed>) = 0 [pid 7845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7846] chdir("./151" [pid 7845] <... mmap resumed>) = 0x7f8720789000 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... openat resumed>) = 3 [pid 7846] <... chdir resumed>) = 0 [pid 7846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7846] <... prctl resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5051] close(3 [pid 7846] setpgid(0, 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... close resumed>) = 0 [pid 5056] close(3 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7846] <... setpgid resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 7846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7847 attached [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7847 [pid 7847] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7847] chdir("./155") = 0 [pid 7847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7847] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7848 attached [pid 7847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7846] <... openat resumed>) = 3 [pid 7846] write(3, "1000", 4 [pid 7848] set_robust_list(0x55555656d6a0, 24 [pid 7846] <... write resumed>) = 4 [pid 7848] <... set_robust_list resumed>) = 0 [pid 7847] <... openat resumed>) = 3 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7848 [pid 7848] chdir("./151" [pid 7847] write(3, "1000", 4 [pid 7846] close(3 [pid 5052] <... umount2 resumed>) = 0 [pid 7848] <... chdir resumed>) = 0 [pid 7846] <... close resumed>) = 0 [pid 7848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7846] symlink("/dev/binderfs", "./binderfs" [pid 7848] <... prctl resumed>) = 0 [pid 7846] <... symlink resumed>) = 0 [pid 5052] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7848] setpgid(0, 0 [pid 7846] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7848] <... setpgid resumed>) = 0 [pid 7846] <... futex resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./151/file0", [pid 7846] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7847] <... write resumed>) = 4 [pid 7846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7847] close(3 [pid 7848] <... openat resumed>) = 3 [pid 7847] <... close resumed>) = 0 [pid 7846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7848] write(3, "1000", 4 [pid 7843] <... write resumed>) = 4194304 [pid 5052] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7848] <... write resumed>) = 4 [pid 7847] symlink("/dev/binderfs", "./binderfs" [pid 7846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7843] munmap(0x7f8720789000, 138412032 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7848] close(3 [pid 7847] <... symlink resumed>) = 0 [pid 7846] <... mmap resumed>) = 0x7f8728b89000 [pid 7845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5052] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7848] <... close resumed>) = 0 [pid 7847] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7846] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7843] <... munmap resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 7848] symlink("/dev/binderfs", "./binderfs" [pid 7847] <... futex resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 7847] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7846] <... mprotect resumed>) = 0 [pid 7847] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7847] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7848] <... symlink resumed>) = 0 [pid 7847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7848] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7846] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7843] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7848] <... futex resumed>) = 0 [pid 7847] <... mmap resumed>) = 0x7f8728b89000 [pid 7846] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7843] <... openat resumed>) = 4 [pid 5052] getdents64(4, [pid 7848] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7847] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7843] ioctl(4, LOOP_SET_FD, 3 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7848] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7847] <... mprotect resumed>) = 0 [pid 7848] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] getdents64(4, [pid 7848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7847] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7846] <... clone3 resumed> => {parent_tid=[7849]}, 88) = 7849 [pid 7848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7846] rt_sigprocmask(SIG_SETMASK, [], [pid 7847] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7848] <... mmap resumed>) = 0x7f8728b89000 [pid 7847] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] close(4./strace-static-x86_64: Process 7849 attached ./strace-static-x86_64: Process 7850 attached [pid 7848] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7846] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7848] <... mprotect resumed>) = 0 [pid 7847] <... clone3 resumed> => {parent_tid=[7850]}, 88) = 7850 [pid 7846] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7850] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7849] <... rseq resumed>) = 0 [pid 7848] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7847] rt_sigprocmask(SIG_SETMASK, [], [pid 7846] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] rmdir("./151/file0" [pid 7850] <... rseq resumed>) = 0 [pid 7849] set_robust_list(0x7f8728ba99a0, 24 [pid 7848] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7850] set_robust_list(0x7f8728ba99a0, 24 [pid 7849] <... set_robust_list resumed>) = 0 [pid 7848] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7847] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, ./strace-static-x86_64: Process 7851 attached [pid 7850] <... set_robust_list resumed>) = 0 [pid 7849] rt_sigprocmask(SIG_SETMASK, [], [pid 7847] <... futex resumed>) = 0 [pid 7843] <... ioctl resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7851] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7850] rt_sigprocmask(SIG_SETMASK, [], [pid 7849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7848] <... clone3 resumed> => {parent_tid=[7851]}, 88) = 7851 [pid 7847] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7843] close(3 [pid 5052] close(3 [pid 7851] <... rseq resumed>) = 0 [pid 7850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7849] memfd_create("syzkaller", 0 [pid 7848] rt_sigprocmask(SIG_SETMASK, [], [pid 7843] <... close resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7851] set_robust_list(0x7f8728ba99a0, 24 [pid 7850] memfd_create("syzkaller", 0 [pid 7849] <... memfd_create resumed>) = 3 [pid 7848] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7843] mkdir("./file0", 0777 [pid 5052] rmdir("./151" [pid 7851] <... set_robust_list resumed>) = 0 [pid 7850] <... memfd_create resumed>) = 3 [pid 7849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7848] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7843] <... mkdir resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7851] rt_sigprocmask(SIG_SETMASK, [], [pid 7850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7849] <... mmap resumed>) = 0x7f8720789000 [pid 7848] <... futex resumed>) = 0 [pid 5052] mkdir("./152", 0777 [pid 7851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7850] <... mmap resumed>) = 0x7f8720789000 [pid 7848] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7843] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] <... mkdir resumed>) = 0 [pid 7851] memfd_create("syzkaller", 0) = 3 [pid 7851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 261.663182][ T7843] loop3: detected capacity change from 0 to 8192 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7853 ./strace-static-x86_64: Process 7853 attached [pid 7851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7853] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7853] chdir("./152") = 0 [ 261.707535][ T7843] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.742682][ T7843] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7853] setpgid(0, 0) = 0 [pid 7853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7845] <... write resumed>) = 4194304 [pid 7853] write(3, "1000", 4) = 4 [pid 7853] close(3) = 0 [pid 7853] symlink("/dev/binderfs", "./binderfs" [pid 7851] <... write resumed>) = 4194304 [pid 7853] <... symlink resumed>) = 0 [pid 7851] munmap(0x7f8720789000, 138412032 [pid 7853] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7853] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7851] <... munmap resumed>) = 0 [pid 7849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7851] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7851] <... openat resumed>) = 4 [pid 7845] munmap(0x7f8720789000, 138412032 [pid 7853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7851] ioctl(4, LOOP_SET_FD, 3 [pid 7850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7845] <... munmap resumed>) = 0 [pid 7853] <... mmap resumed>) = 0x7f8728b89000 [ 261.771870][ T7843] REISERFS (device loop3): using ordered data mode [ 261.806775][ T7843] reiserfs: using flush barriers [pid 7853] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7851] <... ioctl resumed>) = 0 [pid 7845] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7853] <... mprotect resumed>) = 0 [pid 7845] <... openat resumed>) = 4 [pid 7853] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7845] ioctl(4, LOOP_SET_FD, 3 [pid 7853] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7851] close(3 [pid 7845] <... ioctl resumed>) = 0 [pid 7853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7851] <... close resumed>) = 0 ./strace-static-x86_64: Process 7854 attached [pid 7853] <... clone3 resumed> => {parent_tid=[7854]}, 88) = 7854 [pid 7851] mkdir("./file0", 0777 [pid 7854] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7853] rt_sigprocmask(SIG_SETMASK, [], [pid 7854] <... rseq resumed>) = 0 [pid 7853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7851] <... mkdir resumed>) = 0 [pid 7854] set_robust_list(0x7f8728ba99a0, 24 [pid 7853] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7849] <... write resumed>) = 4194304 [pid 7845] close(3 [pid 7854] <... set_robust_list resumed>) = 0 [pid 7853] <... futex resumed>) = 0 [pid 7854] rt_sigprocmask(SIG_SETMASK, [], [pid 7853] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7849] munmap(0x7f8720789000, 138412032 [pid 7845] <... close resumed>) = 0 [pid 7854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7854] memfd_create("syzkaller", 0) = 3 [pid 7854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7845] mkdir("./file0", 0777) = 0 [pid 7849] <... munmap resumed>) = 0 [pid 7849] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7845] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7849] <... openat resumed>) = 4 [ 261.823696][ T7851] loop5: detected capacity change from 0 to 8192 [ 261.836886][ T7845] loop4: detected capacity change from 0 to 8192 [ 261.853788][ T7843] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7849] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7849] close(3) = 0 [pid 7849] mkdir("./file0", 0777) = 0 [ 261.879513][ T7845] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.893831][ T7849] loop2: detected capacity change from 0 to 8192 [ 261.893954][ T7843] REISERFS (device loop3): checking transaction log (loop3) [ 261.900239][ T7851] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.922811][ T7843] REISERFS (device loop3): Using tea hash to sort names [pid 7854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7850] <... write resumed>) = 4194304 [pid 7849] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7850] munmap(0x7f8720789000, 138412032) = 0 [ 261.934711][ T7845] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 261.944399][ T7849] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 261.945064][ T7843] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 261.967130][ T7849] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 7850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7850] ioctl(4, LOOP_SET_FD, 3 [pid 7854] <... write resumed>) = 4194304 [pid 7850] <... ioctl resumed>) = 0 [pid 7843] <... mount resumed>) = 0 [pid 7854] munmap(0x7f8720789000, 138412032 [pid 7843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7854] <... munmap resumed>) = 0 [pid 7850] close(3 [pid 7843] <... openat resumed>) = 3 [pid 7843] chdir("./file0") = 0 [pid 7843] ioctl(4, LOOP_CLR_FD) = 0 [pid 7843] close(4) = 0 [pid 7843] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7843] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 261.981368][ T7851] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 261.992572][ T7850] loop0: detected capacity change from 0 to 8192 [ 261.999848][ T7845] REISERFS (device loop4): using ordered data mode [ 262.003280][ T7849] REISERFS (device loop2): using ordered data mode [ 262.007219][ T7845] reiserfs: using flush barriers [ 262.015696][ T7849] reiserfs: using flush barriers [ 262.019108][ T7851] REISERFS (device loop5): using ordered data mode [pid 7854] ioctl(4, LOOP_SET_FD, 3 [pid 7850] <... close resumed>) = 0 [pid 7850] mkdir("./file0", 0777 [pid 7842] <... futex resumed>) = 0 [pid 7842] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7842] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7843] <... futex resumed>) = 0 [pid 7850] <... mkdir resumed>) = 0 [pid 7843] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7843] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7842] <... futex resumed>) = 0 [pid 7842] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7842] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] <... ioctl resumed>) = 0 [ 262.028295][ T7854] loop1: detected capacity change from 0 to 8192 [ 262.044280][ T7851] reiserfs: using flush barriers [ 262.050827][ T7845] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.051402][ T7851] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7854] close(3) = 0 [pid 7850] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7843] ftruncate(4, 33587195 [pid 7854] mkdir("./file0", 0777) = 0 [pid 7854] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7842] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7843] <... ftruncate resumed>) = 0 [pid 7842] <... futex resumed>) = 0 [ 262.067742][ T7845] REISERFS (device loop4): checking transaction log (loop4) [ 262.092465][ T7849] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.095235][ T7851] REISERFS (device loop5): checking transaction log (loop5) [ 262.120621][ T7850] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7843] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7842] <... mmap resumed>) = 0x7f8728b68000 [pid 7843] <... futex resumed>) = 0 [pid 7842] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} => {parent_tid=[7860]}, 88) = 7860 [pid 7842] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7842] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7842] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7843] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7860 attached [pid 7860] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053) = 0 [pid 7860] set_robust_list(0x7f8728b889a0, 24) = 0 [pid 7860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 262.122198][ T7851] REISERFS (device loop5): Using tea hash to sort names [ 262.138992][ T7854] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 262.141040][ T7845] REISERFS (device loop4): Using tea hash to sort names [ 262.153910][ T7854] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 262.170132][ T7854] REISERFS (device loop1): using ordered data mode [ 262.177024][ T7854] reiserfs: using flush barriers [pid 7860] creat("./bus", 040 [pid 7851] <... mount resumed>) = 0 [ 262.185233][ T7851] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 262.192521][ T7850] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 262.195510][ T7845] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 262.212613][ T7854] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.214624][ T7849] REISERFS (device loop2): checking transaction log (loop2) [pid 7860] <... creat resumed>) = 5 [pid 7851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7845] <... mount resumed>) = 0 [pid 7842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7860] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7842] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7860] <... futex resumed>) = 0 [pid 7843] <... futex resumed>) = 0 [pid 7842] <... futex resumed>) = 1 [pid 7860] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7843] mkdirat(AT_FDCWD, "./file0", 000 [pid 7842] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7843] <... mkdirat resumed>) = 0 [pid 7843] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7842] <... futex resumed>) = 0 [pid 7843] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7842] exit_group(0 [pid 7851] <... openat resumed>) = 3 [pid 7845] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7851] chdir("./file0" [pid 7845] <... openat resumed>) = 3 [pid 7851] <... chdir resumed>) = 0 [pid 7845] chdir("./file0" [pid 7851] ioctl(4, LOOP_CLR_FD [pid 7845] <... chdir resumed>) = 0 [pid 7851] <... ioctl resumed>) = 0 [pid 7845] ioctl(4, LOOP_CLR_FD [pid 7851] close(4 [pid 7845] <... ioctl resumed>) = 0 [pid 7860] <... futex resumed>) = ? [pid 7851] <... close resumed>) = 0 [pid 7845] close(4 [pid 7843] <... futex resumed>) = ? [pid 7851] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] <... close resumed>) = 0 [pid 7851] <... futex resumed>) = 1 [pid 7848] <... futex resumed>) = 0 [pid 7845] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7848] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] <... futex resumed>) = 1 [pid 7851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7848] <... futex resumed>) = 0 [pid 7845] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7860] +++ exited with 0 +++ [pid 7851] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7848] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7844] <... futex resumed>) = 0 [pid 7843] +++ exited with 0 +++ [pid 7842] <... exit_group resumed>) = ? [pid 7851] <... open resumed>) = 4 [pid 7851] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7844] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7842] +++ exited with 0 +++ [pid 7851] <... futex resumed>) = 1 [pid 7848] <... futex resumed>) = 0 [pid 7845] <... futex resumed>) = 0 [pid 7844] <... futex resumed>) = 1 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7842, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 7851] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7848] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7844] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7848] <... futex resumed>) = 0 [pid 7845] <... open resumed>) = 4 [ 262.228929][ T7850] REISERFS (device loop0): using ordered data mode [ 262.238482][ T7854] REISERFS (device loop1): checking transaction log (loop1) [ 262.251175][ T7850] reiserfs: using flush barriers [ 262.252481][ T7849] REISERFS (device loop2): Using tea hash to sort names [ 262.264889][ T7849] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7851] ftruncate(4, 33587195 [pid 7848] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7845] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7851] <... ftruncate resumed>) = 0 [pid 7849] <... mount resumed>) = 0 [pid 7845] <... futex resumed>) = 0 [pid 7844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7851] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7851] <... futex resumed>) = 1 [pid 7848] <... futex resumed>) = 0 [pid 7848] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7848] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7848] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7851] creat("./bus", 040 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./148/binderfs" [pid 7849] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7844] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... unlink resumed>) = 0 [pid 7849] <... openat resumed>) = 3 [pid 7845] <... futex resumed>) = 0 [pid 7844] <... futex resumed>) = 1 [pid 5054] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7851] <... creat resumed>) = 5 [pid 7849] chdir("./file0" [pid 7845] ftruncate(4, 33587195 [pid 7851] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7848] <... futex resumed>) = 0 [pid 7848] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7848] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7851] <... futex resumed>) = 1 [pid 7854] <... mount resumed>) = 0 [pid 7849] <... chdir resumed>) = 0 [pid 7845] <... ftruncate resumed>) = 0 [pid 7844] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7845] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7845] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 262.286740][ T7854] REISERFS (device loop1): Using tea hash to sort names [ 262.294466][ T7850] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 262.314440][ T7854] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 262.325978][ T7850] REISERFS (device loop0): checking transaction log (loop0) [pid 7851] mkdirat(AT_FDCWD, "./file0", 000 [pid 7849] ioctl(4, LOOP_CLR_FD [pid 7844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7854] <... openat resumed>) = 3 [pid 7851] <... mkdirat resumed>) = 0 [pid 7849] <... ioctl resumed>) = 0 [pid 7844] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] chdir("./file0" [pid 7851] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] close(4 [pid 7851] <... futex resumed>) = 1 [pid 7848] <... futex resumed>) = 0 [pid 7851] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7848] exit_group(0 [pid 7851] <... futex resumed>) = ? [pid 7848] <... exit_group resumed>) = ? [pid 7845] <... futex resumed>) = 0 [pid 7844] <... futex resumed>) = 1 [pid 7854] <... chdir resumed>) = 0 [pid 7851] +++ exited with 0 +++ [pid 7849] <... close resumed>) = 0 [pid 7848] +++ exited with 0 +++ [pid 7845] creat("./bus", 040 [pid 7844] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] ioctl(4, LOOP_CLR_FD [pid 7849] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] <... creat resumed>) = 5 [pid 7854] <... ioctl resumed>) = 0 [pid 7849] <... futex resumed>) = 1 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7848, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7854] close(4 [pid 7849] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7854] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7854] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7846] <... futex resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7854] <... futex resumed>) = 1 [pid 7853] <... futex resumed>) = 0 [pid 7846] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 7854] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7853] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(3, "", [pid 7854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7853] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7854] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7853] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7845] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(3, [pid 7845] <... futex resumed>) = 1 [pid 7844] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7846] <... futex resumed>) = 1 [pid 7844] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7846] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7845] mkdirat(AT_FDCWD, "./file0", 000 [pid 7844] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7845] <... mkdirat resumed>) = 0 [pid 7844] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./151/binderfs" [pid 7854] <... open resumed>) = 4 [pid 7850] <... mount resumed>) = 0 [pid 7849] <... futex resumed>) = 0 [pid 7845] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 7854] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7849] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7845] <... futex resumed>) = 1 [pid 7844] <... futex resumed>) = 0 [pid 5056] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7854] <... futex resumed>) = 1 [pid 7853] <... futex resumed>) = 0 [pid 7850] <... openat resumed>) = 3 [pid 7849] <... open resumed>) = 4 [pid 7845] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7844] exit_group(0 [pid 7853] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] chdir("./file0" [pid 7849] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7845] <... futex resumed>) = ? [pid 7844] <... exit_group resumed>) = ? [pid 7854] ftruncate(4, 33587195 [pid 7853] <... futex resumed>) = 0 [pid 7850] <... chdir resumed>) = 0 [pid 7849] <... futex resumed>) = 1 [pid 7845] +++ exited with 0 +++ [pid 7844] +++ exited with 0 +++ [pid 7854] <... ftruncate resumed>) = 0 [pid 7853] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7850] ioctl(4, LOOP_CLR_FD [pid 7849] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7846] <... futex resumed>) = 0 [pid 7850] <... ioctl resumed>) = 0 [pid 7846] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7844, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 7850] close(4 [pid 5055] <... restart_syscall resumed>) = 0 [pid 7850] <... close resumed>) = 0 [ 262.338775][ T7850] REISERFS (device loop0): Using tea hash to sort names [ 262.369208][ T7850] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5055] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7849] <... futex resumed>) = 0 [pid 7846] <... futex resumed>) = 1 [pid 7850] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7849] ftruncate(4, 33587195 [pid 7847] <... futex resumed>) = 0 [pid 7846] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7847] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", [pid 7849] <... ftruncate resumed>) = 0 [pid 7847] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7847] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7854] <... futex resumed>) = 1 [pid 7853] <... futex resumed>) = 0 [pid 7850] <... open resumed>) = 4 [pid 7849] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] creat("./bus", 040 [pid 7853] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] <... futex resumed>) = 1 [pid 7846] <... futex resumed>) = 0 [pid 7853] <... futex resumed>) = 0 [pid 7846] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7846] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./149/binderfs" [pid 7854] <... creat resumed>) = 5 [pid 7853] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7850] <... futex resumed>) = 1 [pid 7849] creat("./bus", 040 [pid 7847] <... futex resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5055] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7849] <... creat resumed>) = 5 [pid 7847] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] ftruncate(4, 33587195 [pid 7847] <... futex resumed>) = 0 [pid 7847] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7850] <... ftruncate resumed>) = 0 [pid 7849] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7854] <... futex resumed>) = 1 [pid 7850] <... futex resumed>) = 1 [pid 7847] <... futex resumed>) = 0 [pid 7854] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7853] <... futex resumed>) = 0 [pid 7849] <... futex resumed>) = 1 [pid 7847] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7849] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7847] <... futex resumed>) = 0 [pid 7846] <... futex resumed>) = 0 [pid 7853] <... futex resumed>) = 0 [pid 7847] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7846] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7853] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7849] <... futex resumed>) = 0 [pid 7846] <... futex resumed>) = 1 [pid 7854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7849] mkdirat(AT_FDCWD, "./file0", 000 [pid 7846] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7850] creat("./bus", 040 [pid 7854] mkdirat(AT_FDCWD, "./file0", 000 [pid 7849] <... mkdirat resumed>) = 0 [pid 7849] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7846] <... futex resumed>) = 0 [pid 7849] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7846] exit_group(0 [pid 7849] <... futex resumed>) = ? [pid 7846] <... exit_group resumed>) = ? [pid 7854] <... mkdirat resumed>) = 0 [pid 7849] +++ exited with 0 +++ [pid 7846] +++ exited with 0 +++ [pid 7854] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7846, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7854] <... futex resumed>) = 1 [pid 7853] <... futex resumed>) = 0 [pid 7854] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7853] exit_group(0 [pid 7854] <... futex resumed>) = ? [pid 7853] <... exit_group resumed>) = ? [pid 5053] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7854] +++ exited with 0 +++ [pid 7853] +++ exited with 0 +++ [pid 7850] <... creat resumed>) = 5 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7853, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5053] <... openat resumed>) = 3 [pid 7850] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(3, "", [pid 7850] <... futex resumed>) = 1 [pid 7847] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7850] mkdirat(AT_FDCWD, "./file0", 000 [pid 7847] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7850] <... mkdirat resumed>) = 0 [pid 7847] <... futex resumed>) = 0 [pid 5053] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(3, "", [pid 5053] newfstatat(AT_FDCWD, "./151/binderfs", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] getdents64(3, [pid 5053] unlink("./151/binderfs" [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... unlink resumed>) = 0 [pid 5052] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7850] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7847] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] newfstatat(AT_FDCWD, "./152/binderfs", [pid 7850] <... futex resumed>) = 0 [pid 7847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7850] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] unlink("./152/binderfs") = 0 [pid 5052] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7847] exit_group(0 [pid 7850] <... futex resumed>) = ? [pid 7847] <... exit_group resumed>) = ? [pid 7850] +++ exited with 0 +++ [pid 7847] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7847, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5051] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./155/binderfs") = 0 [pid 5051] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./148/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./148/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./148") = 0 [pid 5054] mkdir("./149", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] <... umount2 resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7862 [pid 5052] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./152/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7862 attached ) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./152/file0" [pid 5056] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... rmdir resumed>) = 0 [pid 7862] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./151/file0", [pid 5052] getdents64(3, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(3 [pid 7862] <... set_robust_list resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] rmdir("./152" [pid 7862] chdir("./149" [pid 5052] <... rmdir resumed>) = 0 [pid 5052] mkdir("./153", 0777 [pid 7862] <... chdir resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5056] getdents64(4, [pid 5052] <... openat resumed>) = 3 [pid 7862] <... prctl resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7862] setpgid(0, 0 [pid 5056] close(4 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5056] <... close resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7862] <... setpgid resumed>) = 0 [pid 5056] rmdir("./151/file0" [pid 5052] close(3 [pid 7862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7862] <... openat resumed>) = 3 [pid 5056] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7863 attached [pid 5056] getdents64(3, [pid 7863] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3 [pid 7863] <... set_robust_list resumed>) = 0 [pid 7863] chdir("./153" [pid 5056] <... close resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7863 [pid 5056] rmdir("./151" [pid 7862] write(3, "1000", 4 [pid 5056] <... rmdir resumed>) = 0 [pid 7863] <... chdir resumed>) = 0 [pid 7863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] mkdir("./152", 0777 [pid 7863] setpgid(0, 0 [pid 7862] <... write resumed>) = 4 [pid 5056] <... mkdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 7862] close(3 [pid 7863] <... setpgid resumed>) = 0 [pid 7863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... umount2 resumed>) = 0 [pid 7863] <... openat resumed>) = 3 [pid 7862] <... close resumed>) = 0 [pid 5053] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7862] symlink("/dev/binderfs", "./binderfs" [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7862] <... symlink resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7862] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(3 [pid 5053] newfstatat(AT_FDCWD, "./151/file0", [pid 5056] <... close resumed>) = 0 [pid 7863] write(3, "1000", 4) = 4 [pid 7862] <... futex resumed>) = 0 [pid 7863] close(3 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7862] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7863] <... close resumed>) = 0 [pid 7862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5053] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7863] symlink("/dev/binderfs", "./binderfs" [pid 7862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7863] <... symlink resumed>) = 0 [pid 7863] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7863] <... futex resumed>) = 0 [pid 7862] <... mmap resumed>) = 0x7f8728b89000 ./strace-static-x86_64: Process 7864 attached [pid 7863] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7862] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... openat resumed>) = 4 [pid 5053] newfstatat(4, "", [pid 7862] <... mprotect resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7862] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7864 [pid 5053] getdents64(4, [pid 7864] set_robust_list(0x55555656d6a0, 24 [pid 7862] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7864] <... set_robust_list resumed>) = 0 [pid 7863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7864] chdir("./152" [pid 7863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7865 attached [pid 7864] <... chdir resumed>) = 0 [pid 7863] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] getdents64(4, [pid 7865] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7862] <... clone3 resumed> => {parent_tid=[7865]}, 88) = 7865 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7865] <... rseq resumed>) = 0 [pid 7864] <... prctl resumed>) = 0 [pid 7862] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] close(4 [pid 7865] set_robust_list(0x7f8728ba99a0, 24 [pid 7864] setpgid(0, 0 [pid 7863] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 [pid 7865] <... set_robust_list resumed>) = 0 [pid 7864] <... setpgid resumed>) = 0 [pid 7863] <... mprotect resumed>) = 0 [pid 7862] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] rmdir("./151/file0" [pid 7865] rt_sigprocmask(SIG_SETMASK, [], [pid 7864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7862] <... futex resumed>) = 0 [pid 7862] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... rmdir resumed>) = 0 [pid 7864] <... openat resumed>) = 3 [pid 5055] newfstatat(AT_FDCWD, "./149/file0", [pid 7865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] getdents64(3, [pid 7863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7865] memfd_create("syzkaller", 0 [pid 7864] write(3, "1000", 4 [pid 7863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7865] <... memfd_create resumed>) = 3 [pid 7864] <... write resumed>) = 4 [pid 5053] close(3./strace-static-x86_64: Process 7866 attached [pid 7865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7864] close(3 [pid 5053] <... close resumed>) = 0 [pid 7866] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7865] <... mmap resumed>) = 0x7f8720789000 [pid 7864] <... close resumed>) = 0 [pid 5053] rmdir("./151" [pid 7866] <... rseq resumed>) = 0 [pid 7866] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7863] <... clone3 resumed> => {parent_tid=[7866]}, 88) = 7866 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7866] rt_sigprocmask(SIG_SETMASK, [], [pid 7864] symlink("/dev/binderfs", "./binderfs" [pid 7863] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... rmdir resumed>) = 0 [pid 7866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7866] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7864] <... symlink resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 5053] mkdir("./152", 0777 [pid 7863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] newfstatat(4, "", [pid 7863] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 7866] <... futex resumed>) = 0 [pid 7863] <... futex resumed>) = 1 [pid 5055] getdents64(4, [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7866] memfd_create("syzkaller", 0) = 3 [pid 7863] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... openat resumed>) = 3 [pid 7866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7866] <... mmap resumed>) = 0x7f8720789000 [pid 5055] getdents64(4, [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 5055] close(4 [pid 5053] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] rmdir("./149/file0") = 0 [pid 7864] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(3, ./strace-static-x86_64: Process 7867 attached 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7867] set_robust_list(0x55555656d6a0, 24 [pid 7864] <... futex resumed>) = 0 [pid 5055] close(3 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7867 [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./149") = 0 [pid 7867] <... set_robust_list resumed>) = 0 [pid 7864] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7867] chdir("./152") = 0 [pid 7867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7867] setpgid(0, 0 [pid 5055] mkdir("./150", 0777 [pid 7867] <... setpgid resumed>) = 0 [pid 7864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 7867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7867] write(3, "1000", 4) = 4 [pid 7867] close(3) = 0 [pid 7867] symlink("/dev/binderfs", "./binderfs" [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7867] <... symlink resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7867] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7868 [pid 7867] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 ./strace-static-x86_64: Process 7868 attached [pid 7867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7868] set_robust_list(0x55555656d6a0, 24 [pid 7867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7868] <... set_robust_list resumed>) = 0 [pid 7867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7868] chdir("./150" [pid 7867] <... mmap resumed>) = 0x7f8728b89000 [pid 7866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] newfstatat(AT_FDCWD, "./155/file0", [pid 7868] <... chdir resumed>) = 0 [pid 7867] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7867] <... mprotect resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7864] <... mmap resumed>) = 0x7f8728b89000 [pid 7868] <... prctl resumed>) = 0 [pid 7867] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7864] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7868] setpgid(0, 0 [pid 7864] <... mprotect resumed>) = 0 [pid 7868] <... setpgid resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7867] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] newfstatat(4, "", [pid 7868] <... openat resumed>) = 3 [pid 7867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 7870 attached [pid 7868] write(3, "1000", 4 [pid 5051] getdents64(4, ./strace-static-x86_64: Process 7869 attached [pid 7870] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7868] <... write resumed>) = 4 [pid 7867] <... clone3 resumed> => {parent_tid=[7869]}, 88) = 7869 [pid 7864] <... clone3 resumed> => {parent_tid=[7870]}, 88) = 7870 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7870] <... rseq resumed>) = 0 [pid 7869] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7868] close(3 [pid 7867] rt_sigprocmask(SIG_SETMASK, [], [pid 7864] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] getdents64(4, [pid 7870] set_robust_list(0x7f8728ba99a0, 24 [pid 7869] <... rseq resumed>) = 0 [pid 7868] <... close resumed>) = 0 [pid 7867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7870] <... set_robust_list resumed>) = 0 [pid 7869] set_robust_list(0x7f8728ba99a0, 24 [pid 7868] symlink("/dev/binderfs", "./binderfs" [pid 7867] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] close(4 [pid 7870] rt_sigprocmask(SIG_SETMASK, [], [pid 7869] <... set_robust_list resumed>) = 0 [pid 7868] <... symlink resumed>) = 0 [pid 7867] <... futex resumed>) = 0 [pid 7865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7867] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./155/file0") = 0 [pid 7869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7868] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7868] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] close(3 [pid 7869] memfd_create("syzkaller", 0 [pid 7868] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] <... close resumed>) = 0 [pid 7868] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] rmdir("./155" [pid 7870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7864] <... futex resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7864] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7869] <... memfd_create resumed>) = 3 [pid 7868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7870] memfd_create("syzkaller", 0 [pid 5051] mkdir("./156", 0777 [pid 7869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7868] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... mkdir resumed>) = 0 [pid 7869] <... mmap resumed>) = 0x7f8720789000 [pid 7868] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7870] <... memfd_create resumed>) = 3 [pid 7868] <... mprotect resumed>) = 0 [pid 7868] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7868] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7868] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] close(3 [pid 7870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] <... close resumed>) = 0 [pid 7870] <... mmap resumed>) = 0x7f8720789000 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7872 ./strace-static-x86_64: Process 7871 attached [pid 7871] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7871] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7871] rt_sigprocmask(SIG_SETMASK, [], [pid 7868] <... clone3 resumed> => {parent_tid=[7871]}, 88) = 7871 [pid 7871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7868] rt_sigprocmask(SIG_SETMASK, [], [pid 7871] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7868] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] memfd_create("syzkaller", 0 [pid 7868] <... futex resumed>) = 0 [pid 7871] <... memfd_create resumed>) = 3 [pid 7868] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 7872 attached ) = 0x7f8720789000 [pid 7872] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7872] chdir("./156") = 0 [pid 7872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7872] setpgid(0, 0) = 0 [pid 7872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7872] write(3, "1000", 4) = 4 [pid 7872] close(3) = 0 [pid 7872] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7872] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7872] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7872] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7873]}, 88) = 7873 [pid 7872] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7872] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7873 attached [pid 7872] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7873] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7873] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7873] memfd_create("syzkaller", 0 [pid 7870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7873] <... memfd_create resumed>) = 3 [pid 7873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7865] <... write resumed>) = 4194304 [pid 7866] <... write resumed>) = 4194304 [pid 7865] munmap(0x7f8720789000, 138412032) = 0 [pid 7865] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7865] ioctl(4, LOOP_SET_FD, 3 [pid 7866] munmap(0x7f8720789000, 138412032) = 0 [pid 7873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7865] <... ioctl resumed>) = 0 [pid 7865] close(3) = 0 [pid 7865] mkdir("./file0", 0777 [pid 7866] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7866] ioctl(4, LOOP_SET_FD, 3 [pid 7865] <... mkdir resumed>) = 0 [ 263.031582][ T7865] loop3: detected capacity change from 0 to 8192 [ 263.056388][ T7866] loop1: detected capacity change from 0 to 8192 [ 263.068848][ T7865] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7865] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7870] <... write resumed>) = 4194304 [pid 7870] munmap(0x7f8720789000, 138412032 [pid 7866] <... ioctl resumed>) = 0 [pid 7870] <... munmap resumed>) = 0 [pid 7870] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7866] close(3) = 0 [pid 7866] mkdir("./file0", 0777 [pid 7870] <... openat resumed>) = 4 [pid 7866] <... mkdir resumed>) = 0 [pid 7870] ioctl(4, LOOP_SET_FD, 3 [pid 7866] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7870] <... ioctl resumed>) = 0 [pid 7869] <... write resumed>) = 4194304 [pid 7870] close(3) = 0 [pid 7870] mkdir("./file0", 0777) = 0 [pid 7873] <... write resumed>) = 4194304 [pid 7870] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7869] munmap(0x7f8720789000, 138412032) = 0 [pid 7869] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7873] munmap(0x7f8720789000, 138412032) = 0 [ 263.107612][ T7870] loop5: detected capacity change from 0 to 8192 [ 263.113367][ T7865] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 263.136267][ T7865] REISERFS (device loop3): using ordered data mode [ 263.143819][ T7865] reiserfs: using flush barriers [pid 7873] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7871] <... write resumed>) = 4194304 [pid 7869] <... openat resumed>) = 4 [ 263.149043][ T7866] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.157641][ T7865] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.163831][ T7866] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 263.179939][ T7865] REISERFS (device loop3): checking transaction log (loop3) [ 263.187578][ T7870] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7873] <... openat resumed>) = 4 [pid 7871] munmap(0x7f8720789000, 138412032 [pid 7869] ioctl(4, LOOP_SET_FD, 3 [pid 7871] <... munmap resumed>) = 0 [pid 7873] ioctl(4, LOOP_SET_FD, 3 [pid 7871] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7869] <... ioctl resumed>) = 0 [pid 7871] <... openat resumed>) = 4 [pid 7869] close(3 [pid 7871] ioctl(4, LOOP_SET_FD, 3 [pid 7869] <... close resumed>) = 0 [pid 7873] <... ioctl resumed>) = 0 [ 263.195947][ T7865] REISERFS (device loop3): Using tea hash to sort names [ 263.211611][ T7870] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 263.217012][ T7869] loop2: detected capacity change from 0 to 8192 [ 263.225993][ T7866] REISERFS (device loop1): using ordered data mode [ 263.238378][ T7873] loop0: detected capacity change from 0 to 8192 [ 263.239347][ T7870] REISERFS (device loop5): using ordered data mode [ 263.245087][ T7866] reiserfs: using flush barriers [pid 7873] close(3) = 0 [pid 7873] mkdir("./file0", 0777 [pid 7869] mkdir("./file0", 0777) = 0 [pid 7869] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7873] <... mkdir resumed>) = 0 [pid 7873] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7871] <... ioctl resumed>) = 0 [ 263.257154][ T7871] loop4: detected capacity change from 0 to 8192 [ 263.268420][ T7869] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.283020][ T7869] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 263.283347][ T7866] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7871] close(3) = 0 [pid 7871] mkdir("./file0", 0777) = 0 [ 263.292415][ T7869] REISERFS (device loop2): using ordered data mode [ 263.310988][ T7865] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 263.315355][ T7869] reiserfs: using flush barriers [ 263.328073][ T7870] reiserfs: using flush barriers [ 263.331859][ T7869] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7871] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7865] <... mount resumed>) = 0 [ 263.351812][ T7871] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.352878][ T7866] REISERFS (device loop1): checking transaction log (loop1) [ 263.367966][ T7873] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 263.373384][ T7869] REISERFS (device loop2): checking transaction log (loop2) [ 263.388150][ T7871] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 263.394798][ T7866] REISERFS (device loop1): Using tea hash to sort names [pid 7865] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7865] chdir("./file0") = 0 [ 263.402350][ T7870] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.409138][ T7866] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 263.427449][ T7873] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 263.434332][ T7871] REISERFS (device loop4): using ordered data mode [ 263.450371][ T7871] reiserfs: using flush barriers [pid 7865] ioctl(4, LOOP_CLR_FD) = 0 [ 263.452373][ T7869] REISERFS (device loop2): Using tea hash to sort names [ 263.458387][ T7870] REISERFS (device loop5): checking transaction log (loop5) [ 263.464541][ T7871] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.470195][ T7873] REISERFS (device loop0): using ordered data mode [ 263.493003][ T7873] reiserfs: using flush barriers [ 263.498871][ T7870] REISERFS (device loop5): Using tea hash to sort names [pid 7865] close(4 [pid 7866] <... mount resumed>) = 0 [pid 7865] <... close resumed>) = 0 [pid 7866] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7865] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] <... openat resumed>) = 3 [pid 7865] <... futex resumed>) = 1 [pid 7862] <... futex resumed>) = 0 [pid 7866] chdir("./file0" [pid 7865] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7862] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7862] <... futex resumed>) = 0 [pid 7865] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7862] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7869] <... mount resumed>) = 0 [pid 7869] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7869] chdir("./file0") = 0 [pid 7869] ioctl(4, LOOP_CLR_FD) = 0 [pid 7869] close(4) = 0 [ 263.499388][ T7869] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 263.517464][ T7870] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 263.527990][ T29] kauditd_printk_skb: 14 callbacks suppressed [ 263.528005][ T29] audit: type=1800 audit(1698988408.284:914): pid=7865 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 7870] <... mount resumed>) = 0 [pid 7869] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] <... chdir resumed>) = 0 [pid 7865] <... open resumed>) = 4 [pid 7862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7870] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7866] ioctl(4, LOOP_CLR_FD [pid 7865] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7862] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] <... openat resumed>) = 3 [pid 7869] <... futex resumed>) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7866] <... ioctl resumed>) = 0 [pid 7865] <... futex resumed>) = 0 [pid 7862] <... futex resumed>) = 0 [pid 7869] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7867] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] chdir("./file0" [pid 7869] <... open resumed>) = 4 [pid 7867] <... futex resumed>) = 0 [ 263.543579][ T7871] REISERFS (device loop4): checking transaction log (loop4) [ 263.562372][ T7873] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 263.584747][ T7873] REISERFS (device loop0): checking transaction log (loop0) [ 263.587263][ T7871] REISERFS (device loop4): Using tea hash to sort names [ 263.593285][ T7873] REISERFS (device loop0): Using tea hash to sort names [pid 7866] close(4 [pid 7865] ftruncate(4, 33587195 [pid 7862] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7869] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7869] <... futex resumed>) = 0 [pid 7867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7869] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7867] <... futex resumed>) = 0 [pid 7869] ftruncate(4, 33587195 [pid 7867] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7869] <... ftruncate resumed>) = 0 [pid 7869] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7869] creat("./bus", 040 [pid 7867] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] <... chdir resumed>) = 0 [pid 7869] <... creat resumed>) = 5 [pid 7867] <... futex resumed>) = 0 [pid 7866] <... close resumed>) = 0 [pid 7865] <... ftruncate resumed>) = 0 [pid 7870] ioctl(4, LOOP_CLR_FD [pid 7869] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7867] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7866] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7869] <... futex resumed>) = 0 [pid 7867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7869] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] <... futex resumed>) = 1 [pid 7869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7867] <... futex resumed>) = 0 [pid 7865] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7870] <... ioctl resumed>) = 0 [pid 7869] mkdirat(AT_FDCWD, "./file0", 000 [pid 7867] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7866] <... futex resumed>) = 1 [pid 7863] <... futex resumed>) = 0 [pid 7862] <... futex resumed>) = 0 [pid 7873] <... mount resumed>) = 0 [pid 7870] close(4 [pid 7869] <... mkdirat resumed>) = 0 [pid 7863] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7869] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7863] <... futex resumed>) = 0 [ 263.607023][ T29] audit: type=1800 audit(1698988408.364:915): pid=7869 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 263.643294][ T7873] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7873] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7871] <... mount resumed>) = 0 [pid 7870] <... close resumed>) = 0 [pid 7869] <... futex resumed>) = 1 [pid 7867] <... futex resumed>) = 0 [pid 7866] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7863] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7862] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7873] <... openat resumed>) = 3 [pid 7871] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7870] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7869] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7867] exit_group(0 [pid 7873] chdir("./file0" [pid 7871] <... openat resumed>) = 3 [pid 7870] <... futex resumed>) = 1 [pid 7869] <... futex resumed>) = ? [pid 7867] <... exit_group resumed>) = ? [pid 7866] <... open resumed>) = 4 [pid 7864] <... futex resumed>) = 0 [pid 7873] <... chdir resumed>) = 0 [pid 7871] chdir("./file0" [pid 7870] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7869] +++ exited with 0 +++ [pid 7867] +++ exited with 0 +++ [pid 7866] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7865] <... futex resumed>) = 0 [pid 7864] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7862] <... futex resumed>) = 1 [pid 7873] ioctl(4, LOOP_CLR_FD [pid 7871] <... chdir resumed>) = 0 [pid 7870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7866] <... futex resumed>) = 1 [pid 7865] creat("./bus", 040 [pid 7864] <... futex resumed>) = 0 [pid 7863] <... futex resumed>) = 0 [pid 7862] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7867, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 7873] <... ioctl resumed>) = 0 [pid 7871] ioctl(4, LOOP_CLR_FD [pid 7870] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7866] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7865] <... creat resumed>) = 5 [pid 7864] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 263.654914][ T7871] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 263.674069][ T29] audit: type=1800 audit(1698988408.424:916): pid=7866 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 7863] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7873] close(4 [pid 7871] <... ioctl resumed>) = 0 [pid 7865] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7863] <... futex resumed>) = 0 [pid 7870] <... open resumed>) = 4 [pid 7866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7865] <... futex resumed>) = 1 [pid 7863] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7862] <... futex resumed>) = 0 [pid 5053] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7865] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7862] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7862] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7865] mkdirat(AT_FDCWD, "./file0", 000 [pid 7862] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... openat resumed>) = 3 [pid 7865] <... mkdirat resumed>) = 0 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7865] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(3, [pid 7865] <... futex resumed>) = 1 [pid 7862] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7865] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7862] exit_group(0 [pid 5053] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7865] <... futex resumed>) = ? [pid 7862] <... exit_group resumed>) = ? [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7865] +++ exited with 0 +++ [pid 7862] +++ exited with 0 +++ [pid 5053] newfstatat(AT_FDCWD, "./152/binderfs", [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7862, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 5053] unlink("./152/binderfs" [pid 7873] <... close resumed>) = 0 [pid 7871] close(4 [pid 7870] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] ftruncate(4, 33587195 [pid 5054] <... restart_syscall resumed>) = 0 [pid 7871] <... close resumed>) = 0 [pid 7870] <... futex resumed>) = 1 [pid 7873] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7866] <... ftruncate resumed>) = 0 [pid 7864] <... futex resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 7873] <... futex resumed>) = 1 [pid 7872] <... futex resumed>) = 0 [pid 7871] <... futex resumed>) = 1 [pid 7868] <... futex resumed>) = 0 [pid 7866] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7873] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7872] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7868] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] <... futex resumed>) = 1 [pid 7864] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7863] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7873] <... open resumed>) = 4 [pid 7872] <... futex resumed>) = 0 [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7870] <... futex resumed>) = 0 [pid 7868] <... futex resumed>) = 0 [ 263.727106][ T29] audit: type=1800 audit(1698988408.484:917): pid=7870 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 7866] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7864] <... futex resumed>) = 1 [pid 7863] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7873] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7872] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7871] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7870] ftruncate(4, 33587195 [pid 7868] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7863] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 7872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7866] creat("./bus", 040 [pid 7863] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] newfstatat(3, "", [pid 7872] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7866] <... creat resumed>) = 5 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7872] <... futex resumed>) = 0 [pid 7866] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 7872] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7866] <... futex resumed>) = 1 [pid 7863] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7866] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7863] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7863] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7866] mkdirat(AT_FDCWD, "./file0", 000 [pid 7863] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] newfstatat(AT_FDCWD, "./149/binderfs", [pid 7866] <... mkdirat resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./149/binderfs") = 0 [pid 5054] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7866] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7863] <... futex resumed>) = 0 [pid 7873] <... futex resumed>) = 1 [pid 7871] <... open resumed>) = 4 [pid 7863] exit_group(0 [pid 7866] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7873] ftruncate(4, 33587195 [pid 7872] <... futex resumed>) = 0 [pid 7871] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] <... ftruncate resumed>) = 0 [pid 7866] <... futex resumed>) = ? [pid 7863] <... exit_group resumed>) = ? [pid 7873] <... ftruncate resumed>) = 0 [pid 7872] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=33000000} [pid 7871] <... futex resumed>) = 1 [pid 7868] <... futex resumed>) = 0 [pid 7866] +++ exited with 0 +++ [pid 7864] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7863] +++ exited with 0 +++ [pid 7870] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7863, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 7870] <... futex resumed>) = 0 [pid 7864] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7868] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7870] creat("./bus", 040) = 5 [ 263.772678][ T29] audit: type=1800 audit(1698988408.524:918): pid=7873 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 7870] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7873] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] <... futex resumed>) = 0 [pid 7868] <... futex resumed>) = 1 [pid 7864] <... futex resumed>) = 0 [pid 5052] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7873] <... futex resumed>) = 1 [pid 7872] <... futex resumed>) = 0 [pid 7871] ftruncate(4, 33587195 [pid 7868] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7864] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7873] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7872] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7872] <... futex resumed>) = 0 [pid 7864] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7872] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7864] <... futex resumed>) = 0 [pid 7873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... openat resumed>) = 3 [pid 7873] creat("./bus", 040 [pid 7864] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] newfstatat(3, "", [pid 7873] <... creat resumed>) = 5 [pid 7871] <... ftruncate resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 7870] <... futex resumed>) = 1 [pid 7864] <... futex resumed>) = 0 [pid 7870] mkdirat(AT_FDCWD, "./file0", 000 [pid 7864] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=40000000} [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7870] <... mkdirat resumed>) = 0 [pid 5052] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7870] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./153/binderfs", [pid 7870] <... futex resumed>) = 1 [pid 7864] <... futex resumed>) = 0 [pid 7870] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7864] exit_group(0) = ? [pid 7870] <... futex resumed>) = ? [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7871] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] unlink("./153/binderfs" [pid 7873] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] <... futex resumed>) = 1 [pid 7870] +++ exited with 0 +++ [pid 7868] <... futex resumed>) = 0 [pid 7864] +++ exited with 0 +++ [pid 5052] <... unlink resumed>) = 0 [pid 7871] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7868] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7864, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5052] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7868] <... futex resumed>) = 0 [pid 7873] <... futex resumed>) = 1 [pid 7872] <... futex resumed>) = 0 [pid 7871] creat("./bus", 040 [pid 7868] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7873] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7872] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7871] <... creat resumed>) = 5 [pid 5056] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7872] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", [pid 7871] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7871] <... futex resumed>) = 1 [pid 7868] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 7871] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 263.811925][ T29] audit: type=1800 audit(1698988408.554:919): pid=7871 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 7868] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7868] <... futex resumed>) = 0 [pid 5056] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7871] mkdirat(AT_FDCWD, "./file0", 000 [pid 7868] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7873] mkdirat(AT_FDCWD, "./file0", 000 [pid 7872] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] newfstatat(AT_FDCWD, "./152/binderfs", [pid 7871] <... mkdirat resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./152/binderfs" [pid 7871] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 7871] <... futex resumed>) = 1 [pid 7868] <... futex resumed>) = 0 [pid 5056] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7871] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7868] exit_group(0 [pid 7871] <... futex resumed>) = ? [pid 7868] <... exit_group resumed>) = ? [pid 7871] +++ exited with 0 +++ [pid 7868] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7868, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7873] <... mkdirat resumed>) = 0 [pid 7873] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7872] <... futex resumed>) = 0 [pid 7873] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7872] exit_group(0 [pid 5055] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7873] <... futex resumed>) = ? [pid 7872] <... exit_group resumed>) = ? [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7873] +++ exited with 0 +++ [pid 5055] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7872] +++ exited with 0 +++ [pid 5055] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./150/binderfs", [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7872, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 5055] unlink("./150/binderfs" [pid 5051] <... restart_syscall resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5055] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./156/binderfs") = 0 [pid 5051] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./152/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./152/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./152") = 0 [pid 5053] mkdir("./153", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7880 attached , child_tidptr=0x55555656d690) = 7880 [pid 7880] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7880] chdir("./153") = 0 [pid 7880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 7880] setpgid(0, 0 [pid 5054] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7880] <... setpgid resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./149/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 7880] <... openat resumed>) = 3 [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./149/file0") = 0 [pid 7880] write(3, "1000", 4 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./149" [pid 7880] <... write resumed>) = 4 [pid 5054] <... rmdir resumed>) = 0 [pid 7880] close(3) = 0 [pid 7880] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5054] mkdir("./150", 0777 [pid 7880] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... mkdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7881 attached [pid 7880] <... futex resumed>) = 0 [pid 7880] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7881] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7881] chdir("./150" [pid 7880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 5052] <... umount2 resumed>) = 0 [pid 7880] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7881] <... chdir resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7881 [pid 7881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7880] <... mprotect resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7881] <... prctl resumed>) = 0 [pid 7881] setpgid(0, 0 [pid 7880] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7881] <... setpgid resumed>) = 0 [pid 7881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7881] write(3, "1000", 4) = 4 [pid 7881] close(3) = 0 [pid 7881] symlink("/dev/binderfs", "./binderfs" [pid 7880] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7881] <... symlink resumed>) = 0 [pid 7880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7882 attached [pid 7882] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7880] <... clone3 resumed> => {parent_tid=[7882]}, 88) = 7882 [pid 7882] <... rseq resumed>) = 0 [pid 7881] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7880] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7882] set_robust_list(0x7f8728ba99a0, 24 [pid 7881] <... futex resumed>) = 0 [pid 7880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5052] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7882] <... set_robust_list resumed>) = 0 [pid 7881] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7880] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = 0 [pid 7881] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] newfstatat(AT_FDCWD, "./156/file0", [pid 7881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7880] <... futex resumed>) = 0 [pid 7882] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7880] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7881] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7881] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7882] memfd_create("syzkaller", 0 [pid 7881] <... mprotect resumed>) = 0 [pid 5056] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 4 [pid 7882] <... memfd_create resumed>) = 3 [pid 7881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(AT_FDCWD, "./153/file0", [pid 5051] newfstatat(4, "", [pid 7881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] newfstatat(AT_FDCWD, "./152/file0", [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] newfstatat(AT_FDCWD, "./150/file0", [pid 5051] getdents64(4, ./strace-static-x86_64: Process 7883 attached [pid 5056] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7883] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7881] <... clone3 resumed> => {parent_tid=[7883]}, 88) = 7883 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(4, [pid 7883] <... rseq resumed>) = 0 [pid 7882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7881] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7883] set_robust_list(0x7f8728ba99a0, 24 [pid 7882] <... mmap resumed>) = 0x7f8720789000 [pid 7881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5055] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] close(4 [pid 5052] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7883] <... set_robust_list resumed>) = 0 [pid 7881] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... close resumed>) = 0 [pid 7883] rt_sigprocmask(SIG_SETMASK, [], [pid 7881] <... futex resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5055] <... openat resumed>) = 4 [pid 5051] rmdir("./156/file0" [pid 7883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7881] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7883] memfd_create("syzkaller", 0 [pid 5056] getdents64(4, [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 7883] <... memfd_create resumed>) = 3 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] getdents64(4, [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] close(3 [pid 7883] <... mmap resumed>) = 0x7f8720789000 [pid 7882] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] getdents64(4, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, [pid 5056] close(4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] rmdir("./156" [pid 5052] getdents64(4, [pid 5055] close(4 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5052] close(4 [pid 5055] rmdir("./150/file0") = 0 [pid 5052] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] getdents64(3, [pid 5052] rmdir("./153/file0" [pid 5056] rmdir("./152/file0" [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] close(3 [pid 5052] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, [pid 5055] <... close resumed>) = 0 [pid 5052] getdents64(3, [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] rmdir("./150" [pid 5056] close(3 [pid 5055] <... rmdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] mkdir("./151", 0777 [pid 5052] close(3 [pid 5056] rmdir("./152" [pid 5055] <... mkdir resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5056] mkdir("./153", 0777 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5052] rmdir("./153" [pid 5051] mkdir("./157", 0777 [pid 5056] <... mkdir resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] mkdir("./154", 0777 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5056] <... openat resumed>) = 3 [pid 5055] close(3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5055] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... mkdir resumed>) = 0 [pid 5056] close(3 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5056] <... close resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] close(3 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7884 [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7884 attached [pid 5052] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7885 attached [pid 7884] set_robust_list(0x55555656d6a0, 24 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7884] <... set_robust_list resumed>) = 0 [pid 7885] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7885 [pid 7885] chdir("./153" [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7886 [pid 7884] chdir("./151" [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7885] <... chdir resumed>) = 0 [pid 7885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7885] setpgid(0, 0) = 0 [pid 7885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7885] write(3, "1000", 4) = 4 [pid 7885] close(3./strace-static-x86_64: Process 7886 attached ) = 0 [pid 7884] <... chdir resumed>) = 0 [pid 5052] close(3 [pid 7886] set_robust_list(0x55555656d6a0, 24 [pid 7885] symlink("/dev/binderfs", "./binderfs" [pid 7884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] <... close resumed>) = 0 [pid 7886] <... set_robust_list resumed>) = 0 [pid 7885] <... symlink resumed>) = 0 [pid 7884] <... prctl resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7886] chdir("./157" [pid 7885] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] setpgid(0, 0 [pid 7885] <... futex resumed>) = 0 [pid 7886] <... chdir resumed>) = 0 [pid 7885] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7884] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7887 attached [pid 7886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7887 [pid 7887] set_robust_list(0x55555656d6a0, 24 [pid 7886] <... prctl resumed>) = 0 [pid 7884] <... openat resumed>) = 3 [pid 7887] <... set_robust_list resumed>) = 0 [pid 7886] setpgid(0, 0 [pid 7885] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7884] write(3, "1000", 4 [pid 7887] chdir("./154" [pid 7885] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7884] <... write resumed>) = 4 [pid 7887] <... chdir resumed>) = 0 [pid 7886] <... setpgid resumed>) = 0 [pid 7885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7884] close(3 [pid 7887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7885] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7884] <... close resumed>) = 0 [pid 7887] <... prctl resumed>) = 0 [pid 7886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7885] <... mmap resumed>) = 0x7f8728b89000 [pid 7884] symlink("/dev/binderfs", "./binderfs" [pid 7887] setpgid(0, 0 [pid 7885] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7886] <... openat resumed>) = 3 [pid 7887] <... setpgid resumed>) = 0 [pid 7885] <... mprotect resumed>) = 0 [pid 7884] <... symlink resumed>) = 0 [pid 7886] write(3, "1000", 4 [pid 7887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7884] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] <... write resumed>) = 4 [pid 7887] <... openat resumed>) = 3 [pid 7886] close(3 [pid 7885] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7884] <... futex resumed>) = 0 [pid 7887] write(3, "1000", 4 [pid 7886] <... close resumed>) = 0 [pid 7885] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7884] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7887] <... write resumed>) = 4 [pid 7886] symlink("/dev/binderfs", "./binderfs" [pid 7885] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7884] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 7888 attached [pid 7887] close(3 [pid 7886] <... symlink resumed>) = 0 [pid 7884] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7888] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7887] <... close resumed>) = 0 [pid 7886] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7885] <... clone3 resumed> => {parent_tid=[7888]}, 88) = 7888 [pid 7888] <... rseq resumed>) = 0 [pid 7887] symlink("/dev/binderfs", "./binderfs" [pid 7886] <... futex resumed>) = 0 [pid 7885] rt_sigprocmask(SIG_SETMASK, [], [pid 7884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7888] set_robust_list(0x7f8728ba99a0, 24 [pid 7887] <... symlink resumed>) = 0 [pid 7886] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7884] <... mmap resumed>) = 0x7f8728b89000 [pid 7888] <... set_robust_list resumed>) = 0 [pid 7886] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7884] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7888] rt_sigprocmask(SIG_SETMASK, [], [pid 7886] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7885] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] <... mprotect resumed>) = 0 [pid 7888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7887] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7885] <... futex resumed>) = 0 [pid 7884] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7888] memfd_create("syzkaller", 0 [pid 7887] <... futex resumed>) = 0 [pid 7885] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7884] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7888] <... memfd_create resumed>) = 3 [pid 7887] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7884] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7887] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7886] <... mmap resumed>) = 0x7f8728b89000 ./strace-static-x86_64: Process 7889 attached [pid 7888] <... mmap resumed>) = 0x7f8720789000 [pid 7887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7886] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7889] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7886] <... mprotect resumed>) = 0 [pid 7889] <... rseq resumed>) = 0 [pid 7887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7889] set_robust_list(0x7f8728ba99a0, 24 [pid 7887] <... mmap resumed>) = 0x7f8728b89000 [pid 7889] <... set_robust_list resumed>) = 0 [pid 7889] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7889] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7887] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7890 attached => {parent_tid=[7890]}, 88) = 7890 [pid 7890] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7887] rt_sigprocmask(SIG_SETMASK, [], [pid 7890] <... rseq resumed>) = 0 [pid 7887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7890] set_robust_list(0x7f8728ba99a0, 24 [pid 7887] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7890] <... set_robust_list resumed>) = 0 [pid 7887] <... futex resumed>) = 0 [pid 7890] rt_sigprocmask(SIG_SETMASK, [], [pid 7887] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7890] memfd_create("syzkaller", 0 [pid 7884] <... clone3 resumed> => {parent_tid=[7889]}, 88) = 7889 [pid 7890] <... memfd_create resumed>) = 3 [pid 7886] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7884] rt_sigprocmask(SIG_SETMASK, [], [pid 7890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7886] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7882] <... write resumed>) = 4194304 [pid 7886] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7884] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] munmap(0x7f8720789000, 138412032 [pid 7889] <... futex resumed>) = 0 [pid 7884] <... futex resumed>) = 1 [pid 7882] <... munmap resumed>) = 0 [pid 7886] <... clone3 resumed> => {parent_tid=[7891]}, 88) = 7891 [pid 7884] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7882] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7886] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7891 attached [pid 7889] memfd_create("syzkaller", 0 [pid 7886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7882] <... openat resumed>) = 4 [pid 7891] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7886] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] ioctl(4, LOOP_SET_FD, 3 [pid 7891] <... rseq resumed>) = 0 [pid 7891] set_robust_list(0x7f8728ba99a0, 24 [pid 7886] <... futex resumed>) = 0 [pid 7891] <... set_robust_list resumed>) = 0 [pid 7891] rt_sigprocmask(SIG_SETMASK, [], [pid 7889] <... memfd_create resumed>) = 3 [pid 7886] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7891] memfd_create("syzkaller", 0) = 3 [pid 7889] <... mmap resumed>) = 0x7f8720789000 [pid 7891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7882] <... ioctl resumed>) = 0 [pid 7882] close(3) = 0 [pid 7882] mkdir("./file0", 0777) = 0 [ 264.327555][ T7882] loop2: detected capacity change from 0 to 8192 [pid 7890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7882] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7883] <... write resumed>) = 4194304 [pid 7883] munmap(0x7f8720789000, 138412032) = 0 [pid 7883] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7883] ioctl(4, LOOP_SET_FD, 3 [pid 7891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7883] <... ioctl resumed>) = 0 [ 264.399914][ T7882] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.424971][ T7883] loop3: detected capacity change from 0 to 8192 [pid 7888] <... write resumed>) = 4194304 [pid 7883] close(3 [pid 7889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7883] <... close resumed>) = 0 [pid 7888] munmap(0x7f8720789000, 138412032 [pid 7883] mkdir("./file0", 0777 [pid 7888] <... munmap resumed>) = 0 [pid 7883] <... mkdir resumed>) = 0 [pid 7883] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7888] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 264.442514][ T7882] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 264.457886][ T7882] REISERFS (device loop2): using ordered data mode [ 264.464463][ T7882] reiserfs: using flush barriers [ 264.473375][ T7882] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.474255][ T7888] loop5: detected capacity change from 0 to 8192 [pid 7888] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7888] close(3) = 0 [pid 7888] mkdir("./file0", 0777) = 0 [pid 7888] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7891] <... write resumed>) = 4194304 [ 264.514451][ T7883] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.550663][ T7882] REISERFS (device loop2): checking transaction log (loop2) [pid 7891] munmap(0x7f8720789000, 138412032) = 0 [pid 7891] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 264.554970][ T7883] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 264.559547][ T7888] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.580673][ T7888] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 264.591495][ T7888] REISERFS (device loop5): using ordered data mode [ 264.599311][ T7888] reiserfs: using flush barriers [ 264.599980][ T7882] REISERFS (device loop2): Using tea hash to sort names [pid 7891] ioctl(4, LOOP_SET_FD, 3 [pid 7890] <... write resumed>) = 4194304 [pid 7889] <... write resumed>) = 4194304 [pid 7891] <... ioctl resumed>) = 0 [pid 7890] munmap(0x7f8720789000, 138412032 [pid 7889] munmap(0x7f8720789000, 138412032 [ 264.604627][ T7883] REISERFS (device loop3): using ordered data mode [ 264.618685][ T7891] loop0: detected capacity change from 0 to 8192 [ 264.618814][ T7883] reiserfs: using flush barriers [ 264.630352][ T7882] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 264.637854][ T7888] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7891] close(3 [pid 7890] <... munmap resumed>) = 0 [pid 7889] <... munmap resumed>) = 0 [pid 7891] <... close resumed>) = 0 [pid 7889] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7889] ioctl(4, LOOP_SET_FD, 3 [pid 7891] mkdir("./file0", 0777 [pid 7882] <... mount resumed>) = 0 [pid 7890] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7882] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7882] chdir("./file0" [pid 7890] <... openat resumed>) = 4 [pid 7882] <... chdir resumed>) = 0 [ 264.657648][ T7883] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.661365][ T7888] REISERFS (device loop5): checking transaction log (loop5) [ 264.676630][ T7889] loop4: detected capacity change from 0 to 8192 [ 264.690079][ T7888] REISERFS (device loop5): Using tea hash to sort names [ 264.691816][ T7883] REISERFS (device loop3): checking transaction log (loop3) [ 264.697612][ T7888] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7882] ioctl(4, LOOP_CLR_FD [pid 7891] <... mkdir resumed>) = 0 [pid 7890] ioctl(4, LOOP_SET_FD, 3 [pid 7889] <... ioctl resumed>) = 0 [pid 7882] <... ioctl resumed>) = 0 [pid 7891] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7889] close(3 [pid 7888] <... mount resumed>) = 0 [pid 7882] close(4 [pid 7889] <... close resumed>) = 0 [pid 7888] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7888] chdir("./file0" [pid 7889] mkdir("./file0", 0777 [pid 7888] <... chdir resumed>) = 0 [pid 7889] <... mkdir resumed>) = 0 [pid 7888] ioctl(4, LOOP_CLR_FD) = 0 [pid 7888] close(4) = 0 [pid 7888] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7888] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7889] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7885] <... futex resumed>) = 0 [pid 7885] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7885] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7882] <... close resumed>) = 0 [pid 7882] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7882] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7888] <... futex resumed>) = 0 [pid 7888] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7888] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7885] <... futex resumed>) = 0 [pid 7888] ftruncate(4, 33587195 [pid 7885] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 264.705901][ T7890] loop1: detected capacity change from 0 to 8192 [ 264.725298][ T7891] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 264.725855][ T7883] REISERFS (device loop3): Using tea hash to sort names [ 264.749905][ T7889] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7885] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] <... ioctl resumed>) = 0 [pid 7888] <... ftruncate resumed>) = 0 [pid 7880] <... futex resumed>) = 0 [pid 7880] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7890] close(3 [pid 7888] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7890] <... close resumed>) = 0 [pid 7882] <... futex resumed>) = 0 [pid 7880] <... futex resumed>) = 1 [pid 7882] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7885] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7882] <... open resumed>) = 4 [pid 7885] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7885] <... futex resumed>) = 0 [pid 7882] <... futex resumed>) = 0 [pid 7888] <... futex resumed>) = 0 [pid 7885] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7882] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7888] creat("./bus", 040 [pid 7883] <... mount resumed>) = 0 [pid 7888] <... creat resumed>) = 5 [pid 7883] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7883] chdir("./file0") = 0 [pid 7883] ioctl(4, LOOP_CLR_FD) = 0 [pid 7883] close(4) = 0 [pid 7883] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7881] <... futex resumed>) = 0 [pid 7881] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7883] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7881] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7880] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] mkdir("./file0", 0777) = 0 [pid 7888] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7883] <... open resumed>) = 4 [pid 7880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7888] <... futex resumed>) = 1 [pid 7885] <... futex resumed>) = 0 [pid 7888] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7885] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7883] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7880] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7885] <... futex resumed>) = 0 [pid 7883] <... futex resumed>) = 1 [pid 7881] <... futex resumed>) = 0 [pid 7888] mkdirat(AT_FDCWD, "./file0", 000 [pid 7885] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7883] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7882] <... futex resumed>) = 0 [pid 7881] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7880] <... futex resumed>) = 1 [pid 7888] <... mkdirat resumed>) = 0 [pid 7883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7882] ftruncate(4, 33587195 [pid 7881] <... futex resumed>) = 0 [pid 7880] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7888] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7883] ftruncate(4, 33587195 [pid 7881] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7888] <... futex resumed>) = 1 [pid 7885] <... futex resumed>) = 0 [pid 7882] <... ftruncate resumed>) = 0 [pid 7888] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7885] exit_group(0 [pid 7882] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7888] <... futex resumed>) = ? [pid 7885] <... exit_group resumed>) = ? [ 264.762992][ T29] audit: type=1800 audit(1698988409.494:920): pid=7888 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 264.785198][ T7883] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 264.785619][ T7891] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 264.820152][ T29] audit: type=1800 audit(1698988409.554:921): pid=7882 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 264.823668][ T7889] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 264.851036][ T7891] REISERFS (device loop0): using ordered data mode [ 264.851152][ T7890] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7890] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7888] +++ exited with 0 +++ [pid 7885] +++ exited with 0 +++ [pid 7882] <... futex resumed>) = 1 [pid 7880] <... futex resumed>) = 0 [pid 7882] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7885, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7880] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] <... futex resumed>) = 0 [pid 7880] <... futex resumed>) = 1 [pid 5056] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7882] creat("./bus", 040 [pid 7883] <... ftruncate resumed>) = 0 [pid 7882] <... creat resumed>) = 5 [pid 7880] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7883] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7883] <... futex resumed>) = 1 [pid 7882] <... futex resumed>) = 0 [pid 7883] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7882] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7881] <... futex resumed>) = 0 [pid 7881] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7880] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7883] <... futex resumed>) = 0 [pid 7882] <... futex resumed>) = 0 [pid 7881] <... futex resumed>) = 1 [pid 7880] <... futex resumed>) = 1 [pid 7880] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... openat resumed>) = 3 [pid 7883] creat("./bus", 040 [pid 7882] mkdirat(AT_FDCWD, "./file0", 000 [pid 7881] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7883] <... creat resumed>) = 5 [pid 7882] <... mkdirat resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 7883] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7882] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, [pid 7883] <... futex resumed>) = 1 [pid 7882] <... futex resumed>) = 1 [pid 7881] <... futex resumed>) = 0 [pid 7880] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7883] mkdirat(AT_FDCWD, "./file0", 000 [pid 7882] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7881] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7883] <... mkdirat resumed>) = 0 [pid 7881] <... futex resumed>) = 0 [pid 7883] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7881] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7883] <... futex resumed>) = 0 [pid 7881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7883] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7881] exit_group(0 [pid 7883] <... futex resumed>) = ? [pid 7881] <... exit_group resumed>) = ? [pid 7883] +++ exited with 0 +++ [pid 7881] +++ exited with 0 +++ [pid 7880] exit_group(0 [pid 7882] <... futex resumed>) = ? [pid 7880] <... exit_group resumed>) = ? [pid 7882] +++ exited with 0 +++ [pid 7880] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7880, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [ 264.861551][ T7891] reiserfs: using flush barriers [ 264.884208][ T7890] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 264.894505][ T29] audit: type=1800 audit(1698988409.564:922): pid=7883 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 5056] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7881, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5056] newfstatat(AT_FDCWD, "./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] unlink("./153/binderfs" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... unlink resumed>) = 0 [pid 5054] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... openat resumed>) = 3 [pid 5054] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] newfstatat(3, "", [pid 5054] <... openat resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] newfstatat(3, "", [pid 5053] getdents64(3, [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] getdents64(3, [pid 5053] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 264.922486][ T7891] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.930721][ T7889] REISERFS (device loop4): using ordered data mode [ 264.940141][ T7890] REISERFS (device loop1): using ordered data mode [ 264.945758][ T7889] reiserfs: using flush barriers [ 264.955531][ T7890] reiserfs: using flush barriers [ 264.959261][ T7891] REISERFS (device loop0): checking transaction log (loop0) [pid 5053] newfstatat(AT_FDCWD, "./153/binderfs", [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./153/binderfs" [pid 5054] newfstatat(AT_FDCWD, "./150/binderfs", [pid 5053] <... unlink resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] unlink("./150/binderfs") = 0 [ 264.970087][ T7889] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 264.987141][ T7889] REISERFS (device loop4): checking transaction log (loop4) [ 264.987521][ T7891] REISERFS (device loop0): Using tea hash to sort names [ 265.005299][ T7889] REISERFS (device loop4): Using tea hash to sort names [pid 5054] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... umount2 resumed>) = 0 [ 265.024076][ T7890] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.036828][ T7891] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5056] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./153/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./153/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./153") = 0 [pid 5056] mkdir("./154", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7898 ./strace-static-x86_64: Process 7898 attached [pid 7898] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7898] chdir("./154") = 0 [pid 7889] <... mount resumed>) = 0 [pid 7889] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7891] <... mount resumed>) = 0 [pid 7898] <... prctl resumed>) = 0 [pid 7891] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7898] setpgid(0, 0 [pid 7891] <... openat resumed>) = 3 [pid 7898] <... setpgid resumed>) = 0 [pid 7891] chdir("./file0" [pid 7898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7891] <... chdir resumed>) = 0 [pid 7898] <... openat resumed>) = 3 [pid 7891] ioctl(4, LOOP_CLR_FD [pid 7889] <... openat resumed>) = 3 [pid 7891] <... ioctl resumed>) = 0 [pid 7898] write(3, "1000", 4 [pid 7891] close(4 [pid 7889] chdir("./file0" [pid 7898] <... write resumed>) = 4 [pid 7891] <... close resumed>) = 0 [pid 7889] <... chdir resumed>) = 0 [pid 7889] ioctl(4, LOOP_CLR_FD [ 265.064432][ T7889] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 265.092871][ T7890] REISERFS (device loop1): checking transaction log (loop1) [pid 7898] close(3 [pid 7891] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7898] <... close resumed>) = 0 [pid 7898] symlink("/dev/binderfs", "./binderfs" [pid 7891] <... futex resumed>) = 1 [pid 7886] <... futex resumed>) = 0 [pid 7898] <... symlink resumed>) = 0 [pid 7886] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7898] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7889] <... ioctl resumed>) = 0 [pid 7886] <... futex resumed>) = 0 [pid 7889] close(4 [pid 7898] <... futex resumed>) = 0 [pid 7891] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7889] <... close resumed>) = 0 [pid 7886] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7889] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7898] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7891] <... open resumed>) = 4 [pid 7889] <... futex resumed>) = 1 [pid 7884] <... futex resumed>) = 0 [pid 7884] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7898] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7891] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7884] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7891] <... futex resumed>) = 1 [pid 7886] <... futex resumed>) = 0 [pid 7898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7891] ftruncate(4, 33587195 [pid 7886] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7891] <... ftruncate resumed>) = 0 [pid 7886] <... futex resumed>) = 0 [pid 7898] <... mmap resumed>) = 0x7f8728b89000 [pid 7889] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7886] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = 0 [pid 7891] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7891] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7886] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7891] <... futex resumed>) = 0 [pid 7886] <... futex resumed>) = 1 [pid 7891] creat("./bus", 040) = 5 [pid 7886] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7891] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7886] <... futex resumed>) = 0 [pid 7886] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7889] <... open resumed>) = 4 [pid 7886] <... futex resumed>) = 0 [pid 7886] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7898] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7891] mkdirat(AT_FDCWD, "./file0", 000 [pid 7898] <... mprotect resumed>) = 0 [pid 7891] <... mkdirat resumed>) = 0 [pid 7898] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7891] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7886] <... futex resumed>) = 0 [pid 7886] exit_group(0) = ? [pid 7891] +++ exited with 0 +++ [pid 7886] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7886, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 7898] <... clone3 resumed> => {parent_tid=[7899]}, 88) = 7899 [pid 7898] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7898] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(3, "", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7898] <... futex resumed>) = 0 [pid 7889] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./153/file0", [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7884] <... futex resumed>) = 0 [pid 7898] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7889] <... futex resumed>) = 1 [pid 7884] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] getdents64(3, [pid 7889] ftruncate(4, 33587195 [pid 7884] <... futex resumed>) = 0 [pid 5053] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7884] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7899 attached [pid 7890] <... mount resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./157/binderfs", [pid 5053] <... openat resumed>) = 4 [pid 7899] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7890] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7899] <... rseq resumed>) = 0 [pid 7890] <... openat resumed>) = 3 [pid 5051] unlink("./157/binderfs" [pid 7899] set_robust_list(0x7f8728ba99a0, 24 [pid 7890] chdir("./file0" [pid 5053] newfstatat(4, "", [pid 5051] <... unlink resumed>) = 0 [pid 7899] <... set_robust_list resumed>) = 0 [pid 7890] <... chdir resumed>) = 0 [pid 7889] <... ftruncate resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7899] rt_sigprocmask(SIG_SETMASK, [], [pid 7890] ioctl(4, LOOP_CLR_FD [pid 7889] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7884] <... futex resumed>) = 0 [pid 7889] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7884] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7890] <... ioctl resumed>) = 0 [pid 7884] <... futex resumed>) = 0 [pid 7899] memfd_create("syzkaller", 0 [pid 7890] close(4 [pid 7889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7884] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 265.124344][ T7890] REISERFS (device loop1): Using tea hash to sort names [ 265.131791][ T7890] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 265.151369][ T29] audit: type=1800 audit(1698988409.904:923): pid=7891 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 5053] getdents64(4, [pid 7899] <... memfd_create resumed>) = 3 [pid 7890] <... close resumed>) = 0 [pid 7889] creat("./bus", 040 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7890] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] <... mmap resumed>) = 0x7f8720789000 [pid 7890] <... futex resumed>) = 1 [pid 7887] <... futex resumed>) = 0 [pid 7890] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7889] <... creat resumed>) = 5 [pid 7887] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4 [pid 7890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7887] <... futex resumed>) = 0 [pid 7890] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7887] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] <... open resumed>) = 4 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./153/file0" [pid 7890] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7889] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7890] <... futex resumed>) = 1 [pid 7887] <... futex resumed>) = 0 [pid 7890] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7887] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7887] <... futex resumed>) = 0 [pid 7890] ftruncate(4, 33587195 [pid 7887] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] <... ftruncate resumed>) = 0 [pid 7890] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7887] <... futex resumed>) = 0 [pid 7887] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7890] <... futex resumed>) = 1 [pid 7890] creat("./bus", 040 [pid 7889] <... futex resumed>) = 1 [pid 7884] <... futex resumed>) = 0 [pid 7884] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 7890] <... creat resumed>) = 5 [pid 7889] mkdirat(AT_FDCWD, "./file0", 000 [pid 7884] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7889] <... mkdirat resumed>) = 0 [pid 5053] close(3) = 0 [pid 7890] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7889] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] rmdir("./153" [pid 7889] <... futex resumed>) = 1 [pid 7887] <... futex resumed>) = 0 [pid 7887] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7887] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... rmdir resumed>) = 0 [pid 7889] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7884] <... futex resumed>) = 0 [pid 5053] mkdir("./154", 0777 [pid 7884] exit_group(0 [pid 7890] <... futex resumed>) = 1 [pid 7890] mkdirat(AT_FDCWD, "./file0", 000 [pid 7884] <... exit_group resumed>) = ? [pid 7890] <... mkdirat resumed>) = 0 [pid 7889] <... futex resumed>) = ? [pid 5053] <... mkdir resumed>) = 0 [pid 7890] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7887] <... futex resumed>) = 0 [pid 7890] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7889] +++ exited with 0 +++ [pid 7887] exit_group(0 [pid 7884] +++ exited with 0 +++ [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7887] <... exit_group resumed>) = ? [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7884, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 7890] <... futex resumed>) = ? [pid 5053] <... openat resumed>) = 3 [pid 7890] +++ exited with 0 +++ [pid 7887] +++ exited with 0 +++ [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7887, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5053] close(3 [pid 5054] <... umount2 resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 7900 attached [pid 7899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7900] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7900] chdir("./154") = 0 [pid 7900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7900] setpgid(0, 0) = 0 [pid 5051] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./157/file0", [pid 7900] <... openat resumed>) = 3 [pid 5055] <... openat resumed>) = 3 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7900 [pid 5052] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7900] write(3, "1000", 4 [pid 5055] newfstatat(3, "", [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] newfstatat(AT_FDCWD, "./150/file0", [pid 5052] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7900] <... write resumed>) = 4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7900] close(3 [pid 5055] getdents64(3, [pid 5054] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(3, "", [pid 5051] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7900] <... close resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... openat resumed>) = 4 [pid 5055] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] getdents64(3, [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7900] symlink("/dev/binderfs", "./binderfs" [pid 5055] newfstatat(AT_FDCWD, "./151/binderfs", [pid 5054] <... openat resumed>) = 4 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] newfstatat(4, "", [pid 7900] <... symlink resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] newfstatat(4, "", [pid 5052] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7900] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] unlink("./151/binderfs" [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(4, [pid 7900] <... futex resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5054] getdents64(4, [pid 5052] newfstatat(AT_FDCWD, "./154/binderfs", [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7900] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] getdents64(4, [pid 7900] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5052] unlink("./154/binderfs" [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] getdents64(4, [pid 5051] close(4 [pid 7900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 5054] close(4 [pid 5052] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... close resumed>) = 0 [pid 7900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] rmdir("./150/file0" [pid 5051] <... close resumed>) = 0 [pid 7900] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] rmdir("./157/file0" [pid 7900] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... rmdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7900] <... mprotect resumed>) = 0 [pid 5054] getdents64(3, [pid 5051] getdents64(3, [pid 7900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] close(3 [pid 5051] close(3 [pid 7900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... close resumed>) = 0 ./strace-static-x86_64: Process 7901 attached [pid 5051] rmdir("./157" [pid 7901] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7900] <... clone3 resumed> => {parent_tid=[7901]}, 88) = 7901 [pid 7899] <... write resumed>) = 4194304 [pid 5054] <... close resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7901] <... rseq resumed>) = 0 [pid 7900] rt_sigprocmask(SIG_SETMASK, [], [pid 7899] munmap(0x7f8720789000, 138412032 [pid 5054] rmdir("./150" [pid 7901] set_robust_list(0x7f8728ba99a0, 24 [pid 7900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7899] <... munmap resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] mkdir("./158", 0777 [pid 7900] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] mkdir("./151", 0777 [pid 7901] <... set_robust_list resumed>) = 0 [pid 7900] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] <... mkdir resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 7901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7899] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7901] memfd_create("syzkaller", 0 [pid 7899] <... openat resumed>) = 4 [pid 7901] <... memfd_create resumed>) = 3 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5051] <... openat resumed>) = 3 [pid 7901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7901] <... mmap resumed>) = 0x7f8720789000 [pid 7899] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... openat resumed>) = 3 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7899] <... ioctl resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 5051] close(3 [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7902 [pid 5051] <... close resumed>) = 0 ./strace-static-x86_64: Process 7902 attached [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7899] close(3./strace-static-x86_64: Process 7903 attached [pid 7902] set_robust_list(0x55555656d6a0, 24 [pid 7903] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7903] chdir("./158") = 0 [pid 7903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7903] setpgid(0, 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7903 [pid 7903] <... setpgid resumed>) = 0 [pid 7899] <... close resumed>) = 0 [pid 7903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7902] <... set_robust_list resumed>) = 0 [pid 7899] mkdir("./file0", 0777 [pid 7903] <... openat resumed>) = 3 [pid 7899] <... mkdir resumed>) = 0 [pid 7903] write(3, "1000", 4) = 4 [pid 7903] close(3 [pid 7899] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7903] <... close resumed>) = 0 [pid 7903] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7902] chdir("./151" [pid 7903] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 265.404684][ T7899] loop5: detected capacity change from 0 to 8192 [pid 7902] <... chdir resumed>) = 0 [pid 7903] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7903] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7903] <... mmap resumed>) = 0x7f8728b89000 [pid 7903] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7903] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7903] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7905]}, 88) = 7905 [pid 7903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 7905 attached [pid 7903] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7903] <... futex resumed>) = 0 [pid 7902] setpgid(0, 0 [pid 5055] <... umount2 resumed>) = 0 [pid 7905] <... rseq resumed>) = 0 [pid 7903] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7902] <... setpgid resumed>) = 0 [pid 7905] set_robust_list(0x7f8728ba99a0, 24 [pid 7902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7905] <... set_robust_list resumed>) = 0 [pid 7905] rt_sigprocmask(SIG_SETMASK, [], [pid 7902] <... openat resumed>) = 3 [pid 7905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7905] memfd_create("syzkaller", 0) = 3 [pid 7905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7902] write(3, "1000", 4) = 4 [pid 7902] close(3) = 0 [pid 7902] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7902] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7902] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5055] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./151/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7902] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7902] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... openat resumed>) = 4 [pid 5052] <... umount2 resumed>) = 0 [ 265.474110][ T7899] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7902] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] newfstatat(4, "", [pid 5052] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7902] <... mprotect resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] newfstatat(AT_FDCWD, "./154/file0", [pid 7902] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5055] getdents64(4, [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7902] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7906 attached [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7906] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7902] <... clone3 resumed> => {parent_tid=[7906]}, 88) = 7906 [pid 7902] rt_sigprocmask(SIG_SETMASK, [], [pid 7906] <... rseq resumed>) = 0 [pid 7902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7906] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7902] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7906] rt_sigprocmask(SIG_SETMASK, [], [pid 7902] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] close(4) = 0 [pid 5055] rmdir("./151/file0") = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5055] rmdir("./151") = 0 [pid 5055] mkdir("./152", 0777 [pid 5052] <... openat resumed>) = 4 [pid 7902] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7906] memfd_create("syzkaller", 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 7906] <... memfd_create resumed>) = 3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5052] getdents64(4, [pid 7906] <... mmap resumed>) = 0x7f8720789000 [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] getdents64(4, [pid 7905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7907 ./strace-static-x86_64: Process 7907 attached [pid 5052] close(4 [pid 7907] set_robust_list(0x55555656d6a0, 24 [pid 5052] <... close resumed>) = 0 [pid 7907] <... set_robust_list resumed>) = 0 [pid 5052] rmdir("./154/file0" [pid 7907] chdir("./152") = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5052] getdents64(3, [pid 7907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7907] <... prctl resumed>) = 0 [pid 5052] close(3 [pid 7907] setpgid(0, 0) = 0 [pid 5052] <... close resumed>) = 0 [pid 7907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] rmdir("./154" [pid 7907] <... openat resumed>) = 3 [pid 7907] write(3, "1000", 4 [pid 5052] <... rmdir resumed>) = 0 [pid 7907] <... write resumed>) = 4 [ 265.539767][ T7899] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 265.579343][ T7899] REISERFS (device loop5): using ordered data mode [pid 5052] mkdir("./155", 0777 [pid 7907] close(3) = 0 [pid 7907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 7907] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7907] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7901] <... write resumed>) = 4194304 [pid 7907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7901] munmap(0x7f8720789000, 138412032 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7901] <... munmap resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [ 265.604505][ T7899] reiserfs: using flush barriers [ 265.615362][ T7899] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7907] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7907] <... mprotect resumed>) = 0 [pid 7907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7901] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7907] <... clone3 resumed> => {parent_tid=[7908]}, 88) = 7908 [pid 7901] <... openat resumed>) = 4 [pid 7901] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7909 attached ./strace-static-x86_64: Process 7908 attached [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7909 [pid 7909] set_robust_list(0x55555656d6a0, 24 [pid 7908] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7909] <... set_robust_list resumed>) = 0 [pid 7908] <... rseq resumed>) = 0 [pid 7907] rt_sigprocmask(SIG_SETMASK, [], [pid 7909] chdir("./155" [pid 7908] set_robust_list(0x7f8728ba99a0, 24 [pid 7907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7909] <... chdir resumed>) = 0 [pid 7908] <... set_robust_list resumed>) = 0 [pid 7909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7908] rt_sigprocmask(SIG_SETMASK, [], [pid 7909] <... prctl resumed>) = 0 [pid 7908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7909] setpgid(0, 0 [pid 7908] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7907] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7909] <... setpgid resumed>) = 0 [pid 7908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7907] <... futex resumed>) = 0 [pid 7907] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7908] memfd_create("syzkaller", 0 [pid 7909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7908] <... memfd_create resumed>) = 3 [pid 7901] <... ioctl resumed>) = 0 [pid 7909] <... openat resumed>) = 3 [ 265.654293][ T7899] REISERFS (device loop5): checking transaction log (loop5) [ 265.659433][ T7901] loop2: detected capacity change from 0 to 8192 [ 265.680969][ T7899] REISERFS (device loop5): Using tea hash to sort names [pid 7908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7909] write(3, "1000", 4 [pid 7908] <... mmap resumed>) = 0x7f8720789000 [pid 7909] <... write resumed>) = 4 [pid 7901] close(3) = 0 [pid 7901] mkdir("./file0", 0777) = 0 [pid 7901] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7909] close(3 [pid 7899] <... mount resumed>) = 0 [pid 7909] <... close resumed>) = 0 [pid 7909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7909] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7909] <... futex resumed>) = 0 [pid 7899] <... openat resumed>) = 3 [pid 7909] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7899] chdir("./file0" [pid 7909] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7899] <... chdir resumed>) = 0 [pid 7909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7899] ioctl(4, LOOP_CLR_FD [pid 7909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7899] <... ioctl resumed>) = 0 [pid 7899] close(4 [pid 7909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7905] <... write resumed>) = 4194304 [pid 7905] munmap(0x7f8720789000, 138412032 [pid 7909] <... mmap resumed>) = 0x7f8728b89000 [pid 7899] <... close resumed>) = 0 [ 265.704111][ T7899] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 265.716296][ T7901] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7909] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7899] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7898] <... futex resumed>) = 0 [pid 7899] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7898] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7898] <... futex resumed>) = 0 [pid 7899] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7898] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7909] <... mprotect resumed>) = 0 [pid 7909] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7899] <... open resumed>) = 4 [pid 7909] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7899] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7899] <... futex resumed>) = 1 [pid 7898] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7911 attached [pid 7905] <... munmap resumed>) = 0 [pid 7898] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] ftruncate(4, 33587195 [pid 7911] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7909] <... clone3 resumed> => {parent_tid=[7911]}, 88) = 7911 [pid 7898] <... futex resumed>) = 0 [pid 7909] rt_sigprocmask(SIG_SETMASK, [], [pid 7911] <... rseq resumed>) = 0 [pid 7905] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7898] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7911] set_robust_list(0x7f8728ba99a0, 24 [pid 7909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7905] <... openat resumed>) = 4 [pid 7905] ioctl(4, LOOP_SET_FD, 3 [pid 7909] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7911] <... set_robust_list resumed>) = 0 [pid 7905] <... ioctl resumed>) = 0 [pid 7899] <... ftruncate resumed>) = 0 [pid 7911] rt_sigprocmask(SIG_SETMASK, [], [pid 7909] <... futex resumed>) = 0 [pid 7905] close(3 [pid 7911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7909] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7905] <... close resumed>) = 0 [pid 7911] memfd_create("syzkaller", 0 [pid 7905] mkdir("./file0", 0777 [pid 7911] <... memfd_create resumed>) = 3 [pid 7911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7906] <... write resumed>) = 4194304 [pid 7905] <... mkdir resumed>) = 0 [pid 7899] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7898] <... futex resumed>) = 0 [pid 7899] creat("./bus", 040 [pid 7898] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] munmap(0x7f8720789000, 138412032 [pid 7905] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7899] <... creat resumed>) = 5 [pid 7898] <... futex resumed>) = 0 [pid 7906] <... munmap resumed>) = 0 [pid 7898] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7906] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7899] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] ioctl(4, LOOP_SET_FD, 3 [pid 7899] <... futex resumed>) = 1 [pid 7898] <... futex resumed>) = 0 [pid 7899] mkdirat(AT_FDCWD, "./file0", 000 [pid 7898] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7899] <... mkdirat resumed>) = 0 [pid 7898] <... futex resumed>) = 0 [pid 7898] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7899] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7898] <... futex resumed>) = 0 [ 265.747661][ T7901] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 265.761675][ T7905] loop0: detected capacity change from 0 to 8192 [ 265.778778][ T7901] REISERFS (device loop2): using ordered data mode [ 265.785636][ T7901] reiserfs: using flush barriers [pid 7908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7898] exit_group(0) = ? [pid 7911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7906] <... ioctl resumed>) = 0 [pid 7899] +++ exited with 0 +++ [pid 7906] close(3 [pid 7898] +++ exited with 0 +++ [pid 7906] <... close resumed>) = 0 [pid 7906] mkdir("./file0", 0777 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7898, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5056] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 7906] <... mkdir resumed>) = 0 [pid 7906] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 265.804709][ T7905] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.819220][ T7906] loop3: detected capacity change from 0 to 8192 [ 265.827254][ T7901] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 265.875489][ T7905] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 265.892016][ T7906] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 265.895033][ T7901] REISERFS (device loop2): checking transaction log (loop2) [ 265.905125][ T7906] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7911] <... write resumed>) = 4194304 [pid 5056] unlink("./154/binderfs" [pid 7911] munmap(0x7f8720789000, 138412032) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5056] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7911] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 265.922230][ T7906] REISERFS (device loop3): using ordered data mode [ 265.930353][ T7906] reiserfs: using flush barriers [ 265.930968][ T7905] REISERFS (device loop0): using ordered data mode [ 265.937321][ T7906] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 265.960158][ T7905] reiserfs: using flush barriers [ 265.967330][ T7911] loop1: detected capacity change from 0 to 8192 [pid 7911] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7911] close(3) = 0 [ 265.983499][ T7906] REISERFS (device loop3): checking transaction log (loop3) [ 266.004295][ T7901] REISERFS (device loop2): Using tea hash to sort names [ 266.005243][ T7906] REISERFS (device loop3): Using tea hash to sort names [ 266.011747][ T7901] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 7911] mkdir("./file0", 0777) = 0 [pid 7908] <... write resumed>) = 4194304 [pid 7911] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7908] munmap(0x7f8720789000, 138412032) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5056] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7906] <... mount resumed>) = 0 [pid 7908] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7906] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7901] <... mount resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7908] <... openat resumed>) = 4 [pid 7906] <... openat resumed>) = 3 [pid 5056] newfstatat(AT_FDCWD, "./154/file0", [pid 7901] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7906] chdir("./file0" [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7906] <... chdir resumed>) = 0 [pid 5056] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7906] ioctl(4, LOOP_CLR_FD [pid 7901] <... openat resumed>) = 3 [pid 7906] <... ioctl resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7908] ioctl(4, LOOP_SET_FD, 3 [pid 7906] close(4 [pid 7901] chdir("./file0" [pid 5056] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7906] <... close resumed>) = 0 [pid 7906] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 4 [pid 7901] <... chdir resumed>) = 0 [pid 7906] <... futex resumed>) = 1 [pid 7902] <... futex resumed>) = 0 [pid 7901] ioctl(4, LOOP_CLR_FD [pid 5056] newfstatat(4, "", [pid 7906] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7902] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... ioctl resumed>) = 0 [pid 7902] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7902] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] getdents64(4, [pid 7906] <... open resumed>) = 4 [pid 7901] close(4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7906] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... close resumed>) = 0 [pid 7906] <... futex resumed>) = 1 [pid 7902] <... futex resumed>) = 0 [pid 7901] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 7906] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7902] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... futex resumed>) = 1 [ 266.028509][ T7905] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.045672][ T7906] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 266.067158][ T7905] REISERFS (device loop0): checking transaction log (loop0) [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7902] <... futex resumed>) = 0 [pid 7901] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] close(4 [pid 7902] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... close resumed>) = 0 [pid 7906] ftruncate(4, 33587195 [pid 5056] rmdir("./154/file0" [pid 7906] <... ftruncate resumed>) = 0 [pid 7900] <... futex resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7908] <... ioctl resumed>) = 0 [pid 7906] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7900] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(3 [pid 7908] close(3) = 0 [pid 7908] mkdir("./file0", 0777) = 0 [pid 5056] <... close resumed>) = 0 [pid 7900] <... futex resumed>) = 1 [ 266.085485][ T7908] loop4: detected capacity change from 0 to 8192 [ 266.094137][ T7911] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.108060][ T7905] REISERFS (device loop0): Using tea hash to sort names [ 266.121126][ T7905] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7906] <... futex resumed>) = 1 [pid 7901] <... futex resumed>) = 0 [pid 7908] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7906] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7902] <... futex resumed>) = 0 [pid 7900] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] rmdir("./154" [pid 7906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7902] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7906] creat("./bus", 040 [pid 7902] <... futex resumed>) = 0 [pid 7901] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] <... rmdir resumed>) = 0 [pid 7906] <... creat resumed>) = 5 [pid 7902] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7905] <... mount resumed>) = 0 [pid 7901] <... open resumed>) = 4 [pid 5056] mkdir("./155", 0777 [pid 7901] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7900] <... futex resumed>) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 7906] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7900] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7905] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7906] <... futex resumed>) = 1 [pid 7902] <... futex resumed>) = 0 [pid 7901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7900] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 7906] mkdirat(AT_FDCWD, "./file0", 000 [pid 7905] <... openat resumed>) = 3 [pid 7902] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] ftruncate(4, 33587195 [pid 7900] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7902] <... futex resumed>) = 0 [pid 7906] <... mkdirat resumed>) = 0 [pid 7905] chdir("./file0" [pid 7902] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7906] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] <... chdir resumed>) = 0 [pid 5056] close(3 [pid 7906] <... futex resumed>) = 1 [pid 7905] ioctl(4, LOOP_CLR_FD [pid 7902] <... futex resumed>) = 0 [pid 5056] <... close resumed>) = 0 [ 266.132346][ T7911] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 266.158797][ T7908] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 266.161023][ T7911] REISERFS (device loop1): using ordered data mode [pid 7906] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7905] <... ioctl resumed>) = 0 [pid 7902] exit_group(0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7906] <... futex resumed>) = ? [pid 7902] <... exit_group resumed>) = ? [pid 7901] <... ftruncate resumed>) = 0 [pid 7901] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7916 attached [pid 7906] +++ exited with 0 +++ [pid 7905] close(4 [pid 7902] +++ exited with 0 +++ [pid 7901] <... futex resumed>) = 1 [pid 7900] <... futex resumed>) = 0 [pid 7905] <... close resumed>) = 0 [pid 7901] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7900] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7916 [pid 7905] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7916] set_robust_list(0x55555656d6a0, 24 [pid 7905] <... futex resumed>) = 1 [pid 7903] <... futex resumed>) = 0 [pid 7901] creat("./bus", 040 [pid 7900] <... futex resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7902, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7903] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7903] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7905] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7901] <... creat resumed>) = 5 [pid 7916] <... set_robust_list resumed>) = 0 [pid 7900] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7916] chdir("./155" [pid 7905] <... open resumed>) = 4 [pid 5054] unlink("./151/binderfs" [pid 7916] <... chdir resumed>) = 0 [pid 7905] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... unlink resumed>) = 0 [pid 7916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7905] <... futex resumed>) = 1 [pid 7903] <... futex resumed>) = 0 [pid 7901] <... futex resumed>) = 1 [pid 7900] <... futex resumed>) = 0 [pid 5054] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7905] ftruncate(4, 33587195 [pid 7916] <... prctl resumed>) = 0 [pid 7903] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7901] mkdirat(AT_FDCWD, "./file0", 000 [pid 7900] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7903] <... futex resumed>) = 0 [pid 7916] setpgid(0, 0 [pid 7905] <... ftruncate resumed>) = 0 [pid 7903] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7901] <... mkdirat resumed>) = 0 [pid 7900] <... futex resumed>) = 0 [pid 7916] <... setpgid resumed>) = 0 [pid 7901] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7900] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7901] <... futex resumed>) = 0 [pid 7900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7916] <... openat resumed>) = 3 [pid 7901] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7900] exit_group(0 [pid 7916] write(3, "1000", 4 [pid 7901] <... futex resumed>) = ? [pid 7900] <... exit_group resumed>) = ? [pid 7916] <... write resumed>) = 4 [pid 7901] +++ exited with 0 +++ [pid 7900] +++ exited with 0 +++ [pid 7916] close(3) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7900, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [ 266.191854][ T7908] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 7916] symlink("/dev/binderfs", "./binderfs" [pid 5053] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7916] <... symlink resumed>) = 0 [pid 7905] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7905] <... futex resumed>) = 1 [pid 7903] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7903] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7905] creat("./bus", 040 [pid 7903] <... futex resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7905] <... creat resumed>) = 5 [pid 7903] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7916] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./154/binderfs", [pid 7916] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7916] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [ 266.251231][ T7908] REISERFS (device loop4): using ordered data mode [ 266.288872][ T7911] reiserfs: using flush barriers [pid 5053] unlink("./154/binderfs" [pid 7916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 7916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7905] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7905] <... futex resumed>) = 1 [pid 7903] <... futex resumed>) = 0 [pid 7916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7905] mkdirat(AT_FDCWD, "./file0", 000 [pid 7903] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7916] <... mmap resumed>) = 0x7f8728b89000 [pid 7905] <... mkdirat resumed>) = 0 [pid 7903] <... futex resumed>) = 0 [pid 7916] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7905] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7903] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7916] <... mprotect resumed>) = 0 [pid 7905] <... futex resumed>) = 0 [pid 7903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7905] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7903] exit_group(0 [pid 7916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7905] <... futex resumed>) = ? [pid 7903] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7917 attached [pid 7917] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7905] +++ exited with 0 +++ [pid 7903] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7903, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7917] <... rseq resumed>) = 0 [pid 7916] <... clone3 resumed> => {parent_tid=[7917]}, 88) = 7917 [pid 7917] set_robust_list(0x7f8728ba99a0, 24 [pid 7916] rt_sigprocmask(SIG_SETMASK, [], [pid 7917] <... set_robust_list resumed>) = 0 [pid 7916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7917] rt_sigprocmask(SIG_SETMASK, [], [pid 7916] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7916] <... futex resumed>) = 0 [pid 7917] memfd_create("syzkaller", 0 [pid 7916] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7917] <... memfd_create resumed>) = 3 [ 266.302132][ T7908] reiserfs: using flush barriers [pid 7917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5051] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./158/binderfs") = 0 [ 266.336606][ T7911] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.358490][ T7908] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 266.384306][ T7908] REISERFS (device loop4): checking transaction log (loop4) [ 266.418277][ T7908] REISERFS (device loop4): Using tea hash to sort names [ 266.429022][ T7911] REISERFS (device loop1): checking transaction log (loop1) [ 266.450660][ T7908] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5051] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = 0 [pid 7908] <... mount resumed>) = 0 [pid 5054] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7908] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] newfstatat(AT_FDCWD, "./151/file0", [pid 7908] <... openat resumed>) = 3 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7908] chdir("./file0" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7908] <... chdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 7908] ioctl(4, LOOP_CLR_FD) = 0 [pid 5054] newfstatat(4, "", [pid 7908] close(4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7908] <... close resumed>) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7908] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(4, [pid 7908] <... futex resumed>) = 1 [pid 7907] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 7911] <... mount resumed>) = 0 [pid 5054] close(4 [pid 7907] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 7911] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7907] <... futex resumed>) = 0 [pid 5054] rmdir("./151/file0" [pid 7907] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7911] <... openat resumed>) = 3 [pid 5053] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7911] chdir("./file0" [pid 5054] <... rmdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7911] <... chdir resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./154/file0", [pid 5054] getdents64(3, [pid 7911] ioctl(4, LOOP_CLR_FD [pid 7908] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 266.471492][ T7911] REISERFS (device loop1): Using tea hash to sort names [ 266.504281][ T7911] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7911] <... ioctl resumed>) = 0 [pid 7908] <... open resumed>) = 4 [pid 5054] close(3 [pid 5053] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7908] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7908] <... futex resumed>) = 1 [pid 7907] <... futex resumed>) = 0 [pid 5054] rmdir("./151" [pid 5053] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7907] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... openat resumed>) = 4 [pid 5054] <... rmdir resumed>) = 0 [pid 7911] close(4 [pid 7908] ftruncate(4, 33587195 [pid 7907] <... futex resumed>) = 0 [pid 7907] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 7911] <... close resumed>) = 0 [pid 7908] <... ftruncate resumed>) = 0 [pid 5053] rmdir("./154/file0" [pid 7911] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... rmdir resumed>) = 0 [pid 7911] <... futex resumed>) = 1 [pid 7909] <... futex resumed>) = 0 [pid 7908] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] mkdir("./152", 0777 [pid 5051] <... umount2 resumed>) = 0 [pid 7911] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7909] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7908] <... futex resumed>) = 1 [pid 7907] <... futex resumed>) = 0 [pid 5053] getdents64(3, [pid 7909] <... futex resumed>) = 0 [pid 7907] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7909] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7907] <... futex resumed>) = 0 [pid 5053] close(3 [pid 7911] <... open resumed>) = 4 [pid 7908] creat("./bus", 040 [pid 7907] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... mkdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5051] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7911] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7909] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7911] ftruncate(4, 33587195 [pid 7909] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(AT_FDCWD, "./158/file0", [pid 7909] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 7909] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] rmdir("./154") = 0 [pid 5053] mkdir("./155", 0777 [pid 7911] <... ftruncate resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7908] <... creat resumed>) = 5 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7918 attached [pid 7911] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7908] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5051] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7908] <... futex resumed>) = 1 [pid 7907] <... futex resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7911] <... futex resumed>) = 1 [pid 7909] <... futex resumed>) = 0 [pid 7907] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7911] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7907] <... futex resumed>) = 0 [pid 5054] close(3 [pid 7907] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... close resumed>) = 0 [pid 7918] set_robust_list(0x55555656d6a0, 24 [pid 7909] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7908] mkdirat(AT_FDCWD, "./file0", 000 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... openat resumed>) = 4 [pid 7918] <... set_robust_list resumed>) = 0 [pid 7911] <... futex resumed>) = 0 [pid 7909] <... futex resumed>) = 1 [pid 7909] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7918] chdir("./155") = 0 [pid 7911] creat("./bus", 040 [pid 5051] newfstatat(4, "", ./strace-static-x86_64: Process 7919 attached [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7919 [pid 7918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7918 [pid 7918] <... prctl resumed>) = 0 [pid 7918] setpgid(0, 0) = 0 [pid 7918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7919] set_robust_list(0x55555656d6a0, 24 [pid 7918] <... openat resumed>) = 3 [pid 7911] <... creat resumed>) = 5 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7919] <... set_robust_list resumed>) = 0 [pid 7918] write(3, "1000", 4 [pid 7908] <... mkdirat resumed>) = 0 [pid 5051] getdents64(4, [pid 7919] chdir("./152") = 0 [pid 7918] <... write resumed>) = 4 [pid 7908] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7918] close(3 [pid 7911] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7908] <... futex resumed>) = 1 [pid 7907] <... futex resumed>) = 0 [pid 5051] getdents64(4, [pid 7919] <... prctl resumed>) = 0 [pid 7911] <... futex resumed>) = 1 [pid 7909] <... futex resumed>) = 0 [pid 7908] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7907] exit_group(0 [pid 7919] setpgid(0, 0 [pid 7918] <... close resumed>) = 0 [pid 7911] mkdirat(AT_FDCWD, "./file0", 000 [pid 7909] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7908] <... futex resumed>) = ? [pid 7907] <... exit_group resumed>) = ? [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7909] <... futex resumed>) = 0 [pid 5051] close(4 [pid 7918] symlink("/dev/binderfs", "./binderfs" [pid 7909] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7908] +++ exited with 0 +++ [pid 7907] +++ exited with 0 +++ [pid 7918] <... symlink resumed>) = 0 [pid 7911] <... mkdirat resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7907, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5051] <... close resumed>) = 0 [pid 7911] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7909] <... futex resumed>) = 0 [pid 5051] rmdir("./158/file0" [pid 7919] <... setpgid resumed>) = 0 [pid 7918] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] <... write resumed>) = 4194304 [pid 7911] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7909] exit_group(0 [pid 5055] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7918] <... futex resumed>) = 0 [pid 7911] <... futex resumed>) = ? [pid 7909] <... exit_group resumed>) = ? [pid 7919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... rmdir resumed>) = 0 [pid 7911] +++ exited with 0 +++ [pid 7918] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7919] <... openat resumed>) = 3 [pid 7918] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5051] getdents64(3, [pid 7918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] newfstatat(3, "", [pid 7918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7919] write(3, "1000", 4 [pid 7918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7909] +++ exited with 0 +++ [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7919] <... write resumed>) = 4 [pid 7918] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] getdents64(3, [pid 7919] close(3 [pid 7918] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7909, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5051] close(3 [pid 7919] <... close resumed>) = 0 [pid 7918] <... mprotect resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... close resumed>) = 0 [pid 7919] symlink("/dev/binderfs", "./binderfs" [pid 7918] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7919] <... symlink resumed>) = 0 [pid 7918] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] rmdir("./158" [pid 7918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] newfstatat(AT_FDCWD, "./152/binderfs", [pid 7919] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7920 attached [pid 7919] <... futex resumed>) = 0 [pid 7918] <... clone3 resumed> => {parent_tid=[7920]}, 88) = 7920 [pid 5055] unlink("./152/binderfs" [pid 5052] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] mkdir("./159", 0777 [pid 7920] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7919] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7918] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... unlink resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7920] <... rseq resumed>) = 0 [pid 7919] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7917] munmap(0x7f8720789000, 138412032 [pid 5055] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... mkdir resumed>) = 0 [pid 7920] set_robust_list(0x7f8728ba99a0, 24 [pid 7919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7918] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7920] <... set_robust_list resumed>) = 0 [pid 7919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7918] <... futex resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 7920] rt_sigprocmask(SIG_SETMASK, [], [pid 7919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7918] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7917] <... munmap resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7919] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7920] memfd_create("syzkaller", 0 [pid 7919] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7919] <... mprotect resumed>) = 0 [pid 7917] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7920] <... memfd_create resumed>) = 3 [pid 7919] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7917] <... openat resumed>) = 4 [pid 5052] newfstatat(AT_FDCWD, "./155/binderfs", [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7919] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] close(3 [pid 7920] <... mmap resumed>) = 0x7f8720789000 [pid 7919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7917] ioctl(4, LOOP_SET_FD, 3 [pid 5052] unlink("./155/binderfs") = 0 [pid 5051] <... close resumed>) = 0 [pid 5052] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7921 attached [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7921] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 7922 attached [pid 7919] <... clone3 resumed> => {parent_tid=[7921]}, 88) = 7921 [pid 7919] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7922 [pid 7922] set_robust_list(0x55555656d6a0, 24 [pid 7921] <... rseq resumed>) = 0 [pid 7919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7919] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7922] <... set_robust_list resumed>) = 0 [pid 7921] set_robust_list(0x7f8728ba99a0, 24 [pid 7919] <... futex resumed>) = 0 [pid 7922] chdir("./159" [pid 7921] <... set_robust_list resumed>) = 0 [pid 7919] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7922] <... chdir resumed>) = 0 [pid 7921] rt_sigprocmask(SIG_SETMASK, [], [pid 7922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7922] <... prctl resumed>) = 0 [pid 7921] memfd_create("syzkaller", 0 [pid 7922] setpgid(0, 0 [pid 7921] <... memfd_create resumed>) = 3 [pid 7922] <... setpgid resumed>) = 0 [pid 7921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7921] <... mmap resumed>) = 0x7f8720789000 [pid 7922] <... openat resumed>) = 3 [pid 7922] write(3, "1000", 4) = 4 [pid 7922] close(3) = 0 [pid 7922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7922] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] <... ioctl resumed>) = 0 [pid 7917] close(3) = 0 [ 266.719967][ T7917] loop5: detected capacity change from 0 to 8192 [pid 7917] mkdir("./file0", 0777) = 0 [pid 7917] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7922] <... futex resumed>) = 0 [pid 7922] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7922] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] <... umount2 resumed>) = 0 [ 266.793851][ T7917] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7922] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7924]}, 88) = 7924 ./strace-static-x86_64: Process 7924 attached [pid 7922] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7922] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 266.865600][ T7917] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 7922] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7924] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7924] <... rseq resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./152/file0", [pid 7924] set_robust_list(0x7f8728ba99a0, 24 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7924] <... set_robust_list resumed>) = 0 [pid 5055] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7924] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7924] memfd_create("syzkaller", 0 [pid 5055] <... openat resumed>) = 4 [pid 7924] <... memfd_create resumed>) = 3 [pid 5055] newfstatat(4, "", [pid 7924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./152/file0" [pid 5052] <... umount2 resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5052] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] newfstatat(AT_FDCWD, "./155/file0", [pid 5055] close(3) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] rmdir("./152") = 0 [pid 5052] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] mkdir("./153", 0777 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... mkdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5052] <... openat resumed>) = 4 [pid 5055] <... openat resumed>) = 3 [pid 5052] newfstatat(4, "", [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 266.913836][ T7917] REISERFS (device loop5): using ordered data mode [ 266.920395][ T7917] reiserfs: using flush barriers [ 266.945587][ T7917] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] getdents64(4, [pid 5055] close(3 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... close resumed>) = 0 [pid 5052] getdents64(4, [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./155/file0"./strace-static-x86_64: Process 7925 attached [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7925 [pid 5052] <... rmdir resumed>) = 0 [pid 7925] set_robust_list(0x55555656d6a0, 24 [pid 5052] getdents64(3, [pid 7925] <... set_robust_list resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7925] chdir("./153" [pid 5052] close(3 [pid 7925] <... chdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] rmdir("./155" [pid 7925] <... prctl resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7925] setpgid(0, 0) = 0 [pid 7925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7925] write(3, "1000", 4) = 4 [pid 7925] close(3) = 0 [pid 7925] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5052] mkdir("./156", 0777 [pid 7925] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... mkdir resumed>) = 0 [pid 7925] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7925] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7925] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] <... openat resumed>) = 3 [pid 7925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 7925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7925] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] close(3 [pid 7925] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] <... close resumed>) = 0 [pid 7925] <... mprotect resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 266.980247][ T7917] REISERFS (device loop5): checking transaction log (loop5) [ 267.013295][ T7917] REISERFS (device loop5): Using tea hash to sort names [pid 7925] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7926 [pid 7925] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7927]}, 88) = 7927 [pid 7925] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7925] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7926 attached ) = 0 [pid 7926] set_robust_list(0x55555656d6a0, 24 [pid 7925] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7926] <... set_robust_list resumed>) = 0 [pid 7926] chdir("./156") = 0 [pid 7926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7926] setpgid(0, 0) = 0 [pid 7926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7926] write(3, "1000", 4./strace-static-x86_64: Process 7927 attached ) = 4 [pid 7927] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7926] close(3) = 0 [pid 7926] symlink("/dev/binderfs", "./binderfs" [pid 7927] <... rseq resumed>) = 0 [pid 7926] <... symlink resumed>) = 0 [pid 7927] set_robust_list(0x7f8728ba99a0, 24 [pid 7926] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7927] <... set_robust_list resumed>) = 0 [pid 7927] rt_sigprocmask(SIG_SETMASK, [], [pid 7926] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7920] <... write resumed>) = 4194304 [pid 7927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7926] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7927] memfd_create("syzkaller", 0 [pid 7926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7927] <... memfd_create resumed>) = 3 [pid 7926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7926] <... mmap resumed>) = 0x7f8728b89000 [pid 7927] <... mmap resumed>) = 0x7f8720789000 [pid 7926] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7926] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7921] <... write resumed>) = 4194304 [pid 7926] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7920] munmap(0x7f8720789000, 138412032 [pid 7926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7920] <... munmap resumed>) = 0 [pid 7920] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7926] <... clone3 resumed> => {parent_tid=[7928]}, 88) = 7928 [pid 7920] <... openat resumed>) = 4 [pid 7917] <... mount resumed>) = 0 ./strace-static-x86_64: Process 7928 attached [ 267.045355][ T7917] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7926] rt_sigprocmask(SIG_SETMASK, [], [pid 7920] ioctl(4, LOOP_SET_FD, 3 [pid 7917] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7928] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7928] <... rseq resumed>) = 0 [pid 7926] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7921] munmap(0x7f8720789000, 138412032 [pid 7917] <... openat resumed>) = 3 [pid 7928] set_robust_list(0x7f8728ba99a0, 24 [pid 7926] <... futex resumed>) = 0 [pid 7921] <... munmap resumed>) = 0 [pid 7928] <... set_robust_list resumed>) = 0 [pid 7926] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7917] chdir("./file0" [pid 7928] rt_sigprocmask(SIG_SETMASK, [], [pid 7917] <... chdir resumed>) = 0 [pid 7928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7921] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7917] ioctl(4, LOOP_CLR_FD [pid 7928] memfd_create("syzkaller", 0 [pid 7921] <... openat resumed>) = 4 [pid 7917] <... ioctl resumed>) = 0 [pid 7928] <... memfd_create resumed>) = 3 [pid 7921] ioctl(4, LOOP_SET_FD, 3 [pid 7917] close(4 [pid 7928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7917] <... close resumed>) = 0 [pid 7917] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7916] <... futex resumed>) = 0 [pid 7916] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7916] <... futex resumed>) = 0 [pid 7916] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7917] <... open resumed>) = 4 [pid 7920] <... ioctl resumed>) = 0 [pid 7920] close(3) = 0 [pid 7920] mkdir("./file0", 0777) = 0 [pid 7921] <... ioctl resumed>) = 0 [pid 7920] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7921] close(3) = 0 [pid 7921] mkdir("./file0", 0777) = 0 [ 267.090763][ T7920] loop2: detected capacity change from 0 to 8192 [ 267.112081][ T7921] loop3: detected capacity change from 0 to 8192 [pid 7917] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7917] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7924] <... write resumed>) = 4194304 [pid 7921] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7916] <... futex resumed>) = 0 [pid 7916] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7917] <... futex resumed>) = 0 [pid 7916] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7917] ftruncate(4, 33587195 [pid 7927] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7917] <... ftruncate resumed>) = 0 [pid 7917] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7916] <... futex resumed>) = 0 [pid 7917] creat("./bus", 040 [pid 7916] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] <... creat resumed>) = 5 [pid 7916] <... futex resumed>) = 0 [ 267.144205][ T7920] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7924] munmap(0x7f8720789000, 138412032 [pid 7916] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7924] <... munmap resumed>) = 0 [pid 7928] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7917] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7917] <... futex resumed>) = 1 [pid 7916] <... futex resumed>) = 0 [pid 7924] <... openat resumed>) = 4 [pid 7917] mkdirat(AT_FDCWD, "./file0", 000 [pid 7916] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7917] <... mkdirat resumed>) = 0 [pid 7916] <... futex resumed>) = 0 [pid 7924] ioctl(4, LOOP_SET_FD, 3 [pid 7917] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7916] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7917] <... futex resumed>) = 0 [pid 7916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7924] <... ioctl resumed>) = 0 [pid 7917] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 267.207327][ T7921] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.223294][ T7920] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 267.233224][ T7920] REISERFS (device loop2): using ordered data mode [ 267.235968][ T7924] loop0: detected capacity change from 0 to 8192 [ 267.247086][ T7920] reiserfs: using flush barriers [pid 7916] exit_group(0 [pid 7917] <... futex resumed>) = ? [pid 7916] <... exit_group resumed>) = ? [pid 7917] +++ exited with 0 +++ [ 267.254137][ T7920] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.262151][ T7921] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7928] <... write resumed>) = 4194304 [pid 7916] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7916, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5056] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5056] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./155/binderfs" [pid 7928] munmap(0x7f8720789000, 138412032 [pid 7924] close(3 [pid 5056] <... unlink resumed>) = 0 [pid 7924] <... close resumed>) = 0 [pid 5056] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7928] <... munmap resumed>) = 0 [pid 7924] mkdir("./file0", 0777) = 0 [pid 7924] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7928] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 267.306767][ T7921] REISERFS (device loop3): using ordered data mode [ 267.313328][ T7921] reiserfs: using flush barriers [ 267.320867][ T7920] REISERFS (device loop2): checking transaction log (loop2) [ 267.322171][ T7921] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.345579][ T7921] REISERFS (device loop3): checking transaction log (loop3) [pid 7928] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 7928] close(3) = 0 [pid 7928] mkdir("./file0", 0777) = 0 [ 267.353595][ T7928] loop1: detected capacity change from 0 to 8192 [ 267.368538][ T7924] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.372612][ T7921] REISERFS (device loop3): Using tea hash to sort names [pid 7928] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7927] <... write resumed>) = 4194304 [ 267.411053][ T7928] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.412903][ T7920] REISERFS (device loop2): Using tea hash to sort names [ 267.435051][ T7928] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 267.444896][ T7924] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 7927] munmap(0x7f8720789000, 138412032) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 7927] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7921] <... mount resumed>) = 0 [pid 5056] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./155/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./155/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./155") = 0 [pid 7927] <... openat resumed>) = 4 [pid 5056] mkdir("./156", 0777 [pid 7927] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... mkdir resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 7933 ./strace-static-x86_64: Process 7933 attached [pid 7933] set_robust_list(0x55555656d6a0, 24) = 0 [ 267.453231][ T7921] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 267.457438][ T7920] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 267.465164][ T7928] REISERFS (device loop1): using ordered data mode [ 267.472965][ T7924] REISERFS (device loop0): using ordered data mode [ 267.478810][ T7928] reiserfs: using flush barriers [ 267.492303][ T7927] loop4: detected capacity change from 0 to 8192 [pid 7933] chdir("./156") = 0 [pid 7927] <... ioctl resumed>) = 0 [pid 7921] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7920] <... mount resumed>) = 0 [pid 7933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7921] <... openat resumed>) = 3 [pid 7921] chdir("./file0" [pid 7920] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7921] <... chdir resumed>) = 0 [pid 7921] ioctl(4, LOOP_CLR_FD [pid 7933] <... prctl resumed>) = 0 [pid 7921] <... ioctl resumed>) = 0 [pid 7933] setpgid(0, 0 [pid 7921] close(4 [pid 7920] <... openat resumed>) = 3 [pid 7921] <... close resumed>) = 0 [pid 7920] chdir("./file0" [pid 7921] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7919] <... futex resumed>) = 0 [pid 7921] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7919] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7920] <... chdir resumed>) = 0 [pid 7919] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7921] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7927] close(3 [pid 7920] ioctl(4, LOOP_CLR_FD [pid 7933] <... setpgid resumed>) = 0 [pid 7927] <... close resumed>) = 0 [pid 7921] <... open resumed>) = 4 [pid 7920] <... ioctl resumed>) = 0 [pid 7933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7933] write(3, "1000", 4) = 4 [pid 7933] close(3) = 0 [pid 7933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7933] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7927] mkdir("./file0", 0777 [pid 7921] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] close(4 [pid 7921] <... futex resumed>) = 1 [pid 7920] <... close resumed>) = 0 [pid 7933] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7921] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7927] <... mkdir resumed>) = 0 [pid 7919] <... futex resumed>) = 0 [pid 7920] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7918] <... futex resumed>) = 0 [pid 7933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7933] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7918] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7918] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7927] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7919] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7933] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 267.504081][ T7928] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.504507][ T7924] reiserfs: using flush barriers [ 267.533469][ T7928] REISERFS (device loop1): checking transaction log (loop1) [ 267.536821][ T7924] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7921] <... futex resumed>) = 0 [pid 7920] <... open resumed>) = 4 [pid 7919] <... futex resumed>) = 1 [pid 7933] <... clone3 resumed> => {parent_tid=[7935]}, 88) = 7935 [pid 7933] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7935 attached [pid 7921] ftruncate(4, 33587195 [pid 7920] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7919] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7921] <... ftruncate resumed>) = 0 [pid 7920] <... futex resumed>) = 1 [pid 7935] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7921] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7918] <... futex resumed>) = 0 [pid 7935] <... rseq resumed>) = 0 [pid 7921] <... futex resumed>) = 1 [pid 7919] <... futex resumed>) = 0 [ 267.568130][ T7928] REISERFS (device loop1): Using tea hash to sort names [ 267.575878][ T7927] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 267.591413][ T7928] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 267.592440][ T7924] REISERFS (device loop0): checking transaction log (loop0) [ 267.608862][ T7927] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 7918] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] set_robust_list(0x7f8728ba99a0, 24 [pid 7921] creat("./bus", 040 [pid 7920] <... futex resumed>) = 0 [pid 7919] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7918] <... futex resumed>) = 1 [pid 7933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7928] <... mount resumed>) = 0 [pid 7921] <... creat resumed>) = 5 [pid 7920] ftruncate(4, 33587195 [pid 7919] <... futex resumed>) = 0 [pid 7918] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7933] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7933] <... futex resumed>) = 0 [pid 7928] <... openat resumed>) = 3 [pid 7919] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7933] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7928] chdir("./file0") = 0 [pid 7928] ioctl(4, LOOP_CLR_FD) = 0 [pid 7928] close(4 [pid 7935] <... set_robust_list resumed>) = 0 [pid 7928] <... close resumed>) = 0 [pid 7920] <... ftruncate resumed>) = 0 [pid 7928] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] rt_sigprocmask(SIG_SETMASK, [], [pid 7928] <... futex resumed>) = 1 [pid 7926] <... futex resumed>) = 0 [pid 7935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7928] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7926] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7926] <... futex resumed>) = 0 [pid 7920] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] memfd_create("syzkaller", 0 [pid 7928] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7926] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7920] <... futex resumed>) = 1 [pid 7918] <... futex resumed>) = 0 [pid 7928] <... open resumed>) = 4 [ 267.618499][ T7927] REISERFS (device loop4): using ordered data mode [ 267.625128][ T7927] reiserfs: using flush barriers [ 267.647098][ T7924] REISERFS (device loop0): Using tea hash to sort names [pid 7928] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] <... memfd_create resumed>) = 3 [pid 7921] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] creat("./bus", 040 [pid 7918] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7928] <... futex resumed>) = 1 [pid 7928] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7926] <... futex resumed>) = 0 [pid 7926] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7928] <... futex resumed>) = 0 [pid 7928] ftruncate(4, 33587195 [pid 7926] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7928] <... ftruncate resumed>) = 0 [pid 7921] <... futex resumed>) = 1 [pid 7920] <... creat resumed>) = 5 [pid 7919] <... futex resumed>) = 0 [pid 7918] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7935] <... mmap resumed>) = 0x7f8720789000 [pid 7919] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7921] mkdirat(AT_FDCWD, "./file0", 000 [pid 7919] <... futex resumed>) = 0 [pid 7919] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7921] <... mkdirat resumed>) = 0 [pid 7921] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7926] <... futex resumed>) = 0 [pid 7926] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] creat("./bus", 040 [pid 7926] <... futex resumed>) = 0 [pid 7926] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7928] <... creat resumed>) = 5 [pid 7921] <... futex resumed>) = 1 [pid 7919] <... futex resumed>) = 0 [pid 7920] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7919] exit_group(0 [pid 7920] <... futex resumed>) = 1 [pid 7918] <... futex resumed>) = 0 [pid 7920] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7919] <... exit_group resumed>) = ? [pid 7918] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7928] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7918] <... futex resumed>) = 0 [pid 7918] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7928] <... futex resumed>) = 1 [pid 7926] <... futex resumed>) = 0 [pid 7920] mkdirat(AT_FDCWD, "./file0", 000 [pid 7926] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7920] <... mkdirat resumed>) = 0 [pid 7926] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7924] <... mount resumed>) = 0 [pid 7924] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7924] chdir("./file0") = 0 [pid 7928] mkdirat(AT_FDCWD, "./file0", 000 [pid 7920] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] ioctl(4, LOOP_CLR_FD) = 0 [pid 7924] close(4 [pid 7928] <... mkdirat resumed>) = 0 [pid 7924] <... close resumed>) = 0 [pid 7920] <... futex resumed>) = 1 [pid 7918] <... futex resumed>) = 0 [pid 7924] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7922] <... futex resumed>) = 0 [pid 7924] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7922] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7922] <... futex resumed>) = 0 [pid 7924] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7922] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7927] <... mount resumed>) = 0 [pid 7924] <... open resumed>) = 4 [pid 7920] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7918] exit_group(0 [pid 7920] <... futex resumed>) = ? [pid 7918] <... exit_group resumed>) = ? [pid 7927] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7924] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7927] chdir("./file0") = 0 [pid 7924] <... futex resumed>) = 1 [pid 7922] <... futex resumed>) = 0 [pid 7927] ioctl(4, LOOP_CLR_FD [pid 7924] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7922] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7927] <... ioctl resumed>) = 0 [pid 7924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7922] <... futex resumed>) = 0 [pid 7927] close(4 [pid 7924] ftruncate(4, 33587195 [pid 7922] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7927] <... close resumed>) = 0 [pid 7927] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7925] <... futex resumed>) = 0 [pid 7928] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7927] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7925] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] <... ftruncate resumed>) = 0 [pid 7921] +++ exited with 0 +++ [pid 7920] +++ exited with 0 +++ [pid 7919] +++ exited with 0 +++ [pid 7918] +++ exited with 0 +++ [pid 7928] <... futex resumed>) = 1 [pid 7927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7926] <... futex resumed>) = 0 [pid 7925] <... futex resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7919, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7918, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 7926] exit_group(0 [pid 7925] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 7927] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7926] <... exit_group resumed>) = ? [pid 7927] <... open resumed>) = 4 [pid 7924] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... restart_syscall resumed>) = 0 [pid 5053] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7922] <... futex resumed>) = 0 [pid 7922] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 267.654543][ T7927] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 267.675027][ T7927] REISERFS (device loop4): checking transaction log (loop4) [ 267.686946][ T7924] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 267.699939][ T7927] REISERFS (device loop4): Using tea hash to sort names [ 267.709335][ T7927] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7922] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7924] <... futex resumed>) = 1 [pid 7927] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7928] +++ exited with 0 +++ [pid 7926] +++ exited with 0 +++ [pid 7924] creat("./bus", 040 [pid 5053] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7926, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- [pid 7927] <... futex resumed>) = 1 [pid 7925] <... futex resumed>) = 0 [pid 7924] <... creat resumed>) = 5 [pid 5054] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... openat resumed>) = 3 [pid 5052] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7925] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(3, "", [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7925] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7925] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7927] ftruncate(4, 33587195 [pid 5054] <... openat resumed>) = 3 [pid 5052] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", [pid 5052] newfstatat(3, "", [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, [pid 5052] getdents64(3, [pid 7927] <... ftruncate resumed>) = 0 [pid 7924] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7924] <... futex resumed>) = 1 [pid 7922] <... futex resumed>) = 0 [pid 7922] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7922] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7924] mkdirat(AT_FDCWD, "./file0", 000 [pid 7922] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7927] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7924] <... mkdirat resumed>) = 0 [pid 5054] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] getdents64(3, [pid 5052] newfstatat(AT_FDCWD, "./156/binderfs", [pid 7927] <... futex resumed>) = 1 [pid 7925] <... futex resumed>) = 0 [pid 7924] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7927] creat("./bus", 040 [pid 7925] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7922] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] unlink("./156/binderfs" [pid 7935] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7927] <... creat resumed>) = 5 [pid 7925] <... futex resumed>) = 0 [pid 7924] <... futex resumed>) = 1 [pid 7922] exit_group(0 [pid 5054] newfstatat(AT_FDCWD, "./152/binderfs", [pid 5053] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7925] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7922] <... exit_group resumed>) = ? [pid 5052] <... unlink resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] unlink("./152/binderfs" [pid 5053] newfstatat(AT_FDCWD, "./155/binderfs", [pid 7924] +++ exited with 0 +++ [pid 7922] +++ exited with 0 +++ [pid 5052] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... unlink resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7927] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] unlink("./155/binderfs" [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7922, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 7927] <... futex resumed>) = 1 [pid 7925] <... futex resumed>) = 0 [pid 5054] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 7927] mkdirat(AT_FDCWD, "./file0", 000 [pid 7925] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... unlink resumed>) = 0 [pid 7927] <... mkdirat resumed>) = 0 [pid 7925] <... futex resumed>) = 0 [pid 5051] <... restart_syscall resumed>) = 0 [pid 7925] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7927] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7925] <... futex resumed>) = 0 [pid 5051] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7927] <... futex resumed>) = 1 [pid 7925] exit_group(0) = ? [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./159/binderfs" [pid 7927] +++ exited with 0 +++ [pid 7925] +++ exited with 0 +++ [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7925, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5055] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5055] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./153/binderfs") = 0 [pid 5055] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5055] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./153/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] getdents64(4, [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] newfstatat(AT_FDCWD, "./152/file0", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] getdents64(4, [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] newfstatat(AT_FDCWD, "./155/file0", [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4 [pid 5054] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... close resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] rmdir("./153/file0" [pid 5054] <... openat resumed>) = 4 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(4, "", [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] getdents64(3, [pid 5054] getdents64(4, [pid 5053] <... openat resumed>) = 4 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] newfstatat(4, "", [pid 5055] close(3 [pid 5054] getdents64(4, [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... close resumed>) = 0 [pid 5054] close(4 [pid 5053] getdents64(4, [pid 5055] rmdir("./153" [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] getdents64(4, [pid 5055] mkdir("./154", 0777 [pid 5054] rmdir("./152/file0") = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5054] getdents64(3, [pid 5053] close(4 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... close resumed>) = 0 [pid 5054] close(3 [pid 5053] rmdir("./155/file0" [pid 5054] <... close resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] rmdir("./152" [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5054] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, [pid 5051] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./153", 0777 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... mkdir resumed>) = 0 [pid 5053] close(3) = 0 [pid 5055] close(3 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] rmdir("./155" [pid 5051] newfstatat(AT_FDCWD, "./159/file0", [pid 5055] <... close resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] mkdir("./156", 0777 [pid 5051] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7935] <... write resumed>) = 4194304 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] close(3 [pid 5053] <... mkdir resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... close resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... openat resumed>) = 3 [pid 5051] <... openat resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7935] munmap(0x7f8720789000, 138412032 [pid 5052] newfstatat(AT_FDCWD, "./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 7936 attached [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] newfstatat(4, "", [pid 7936] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 7937 attached [pid 7936] chdir("./153" [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7937 [pid 5053] close(3 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(4, [pid 7936] <... chdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7937] set_robust_list(0x55555656d6a0, 24 [pid 7936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7936 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7937] <... set_robust_list resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] getdents64(4, [pid 7936] <... prctl resumed>) = 0 [pid 7935] <... munmap resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7936] setpgid(0, 0 [pid 7935] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7936] <... setpgid resumed>) = 0 [pid 7935] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", ./strace-static-x86_64: Process 7938 attached [pid 7937] chdir("./154" [pid 7936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7935] ioctl(4, LOOP_SET_FD, 3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] close(4 [pid 7938] set_robust_list(0x55555656d6a0, 24 [pid 7937] <... chdir resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7938 [pid 5051] <... close resumed>) = 0 [pid 7938] <... set_robust_list resumed>) = 0 [pid 7937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7936] <... openat resumed>) = 3 [pid 5052] getdents64(4, [pid 7938] chdir("./156" [pid 7937] <... prctl resumed>) = 0 [pid 7936] write(3, "1000", 4 [pid 5051] rmdir("./159/file0" [pid 7938] <... chdir resumed>) = 0 [pid 7937] setpgid(0, 0 [pid 7936] <... write resumed>) = 4 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7936] close(3 [pid 5052] getdents64(4, [pid 7938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7937] <... setpgid resumed>) = 0 [pid 7936] <... close resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7938] <... prctl resumed>) = 0 [pid 7937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7936] symlink("/dev/binderfs", "./binderfs" [pid 5051] getdents64(3, [pid 7938] setpgid(0, 0 [pid 5052] close(4 [pid 7937] <... openat resumed>) = 3 [pid 7938] <... setpgid resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7937] write(3, "1000", 4 [pid 5052] rmdir("./156/file0" [pid 5051] close(3 [pid 7938] <... openat resumed>) = 3 [pid 7937] <... write resumed>) = 4 [pid 7936] <... symlink resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7938] write(3, "1000", 4 [pid 7937] close(3 [pid 7936] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 5051] <... close resumed>) = 0 [pid 7938] <... write resumed>) = 4 [pid 7937] <... close resumed>) = 0 [pid 7936] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] rmdir("./159" [pid 7938] close(3 [pid 7937] symlink("/dev/binderfs", "./binderfs" [pid 7936] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7935] <... ioctl resumed>) = 0 [pid 5052] close(3 [pid 7938] <... close resumed>) = 0 [pid 7937] <... symlink resumed>) = 0 [pid 7936] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7935] close(3 [pid 5052] <... close resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7938] symlink("/dev/binderfs", "./binderfs" [pid 7937] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7935] <... close resumed>) = 0 [pid 5052] rmdir("./156" [pid 5051] mkdir("./160", 0777 [pid 7938] <... symlink resumed>) = 0 [pid 7937] <... futex resumed>) = 0 [pid 7936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7935] mkdir("./file0", 0777 [pid 5052] <... rmdir resumed>) = 0 [pid 7938] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7937] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7935] <... mkdir resumed>) = 0 [pid 5052] mkdir("./157", 0777 [pid 5051] <... mkdir resumed>) = 0 [pid 7938] <... futex resumed>) = 0 [pid 7937] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7936] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7938] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7937] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7936] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7938] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7936] <... mprotect resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7938] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7935] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7937] <... mmap resumed>) = 0x7f8728b89000 [pid 7936] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7937] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7936] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5051] close(3 [pid 7938] <... mmap resumed>) = 0x7f8728b89000 [pid 7937] <... mprotect resumed>) = 0 [pid 7936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [ 268.068075][ T7935] loop5: detected capacity change from 0 to 8192 [pid 5052] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 7940 attached [pid 7938] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7937] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... close resumed>) = 0 [pid 7938] <... mprotect resumed>) = 0 [pid 7937] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] close(3 [pid 7936] <... clone3 resumed> => {parent_tid=[7940]}, 88) = 7940 [pid 5052] <... close resumed>) = 0 [pid 7936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7936] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7938] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7937] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7938] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7941 [pid 7938] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7942 attached [pid 7937] <... clone3 resumed> => {parent_tid=[7943]}, 88) = 7943 ./strace-static-x86_64: Process 7944 attached ./strace-static-x86_64: Process 7943 attached ./strace-static-x86_64: Process 7941 attached [pid 7940] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7936] <... futex resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7942 [pid 7944] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7943] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7941] set_robust_list(0x55555656d6a0, 24 [pid 7940] <... rseq resumed>) = 0 [pid 7936] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7944] <... rseq resumed>) = 0 [pid 7943] <... rseq resumed>) = 0 [pid 7941] <... set_robust_list resumed>) = 0 [pid 7940] set_robust_list(0x7f8728ba99a0, 24 [pid 7944] set_robust_list(0x7f8728ba99a0, 24 [pid 7943] set_robust_list(0x7f8728ba99a0, 24 [pid 7941] chdir("./160" [pid 7944] <... set_robust_list resumed>) = 0 [pid 7943] <... set_robust_list resumed>) = 0 [pid 7942] set_robust_list(0x55555656d6a0, 24 [pid 7941] <... chdir resumed>) = 0 [pid 7940] <... set_robust_list resumed>) = 0 [pid 7938] <... clone3 resumed> => {parent_tid=[7944]}, 88) = 7944 [pid 7937] rt_sigprocmask(SIG_SETMASK, [], [pid 7944] rt_sigprocmask(SIG_SETMASK, [], [pid 7943] rt_sigprocmask(SIG_SETMASK, [], [pid 7941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7940] rt_sigprocmask(SIG_SETMASK, [], [pid 7944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7941] <... prctl resumed>) = 0 [pid 7940] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 268.110586][ T7935] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.142019][ T7935] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 268.152410][ T7935] REISERFS (device loop5): using ordered data mode [pid 7944] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7943] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7941] setpgid(0, 0 [pid 7940] memfd_create("syzkaller", 0 [pid 7942] <... set_robust_list resumed>) = 0 [pid 7941] <... setpgid resumed>) = 0 [pid 7940] <... memfd_create resumed>) = 3 [pid 7938] rt_sigprocmask(SIG_SETMASK, [], [pid 7937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7942] chdir("./157" [pid 7941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7937] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] <... futex resumed>) = 0 [pid 7942] <... chdir resumed>) = 0 [pid 7941] <... openat resumed>) = 3 [pid 7938] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7937] <... futex resumed>) = 1 [pid 7943] memfd_create("syzkaller", 0 [pid 7940] <... mmap resumed>) = 0x7f8720789000 [pid 7937] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7938] <... futex resumed>) = 1 [pid 7944] <... futex resumed>) = 0 [pid 7943] <... memfd_create resumed>) = 3 [pid 7942] <... prctl resumed>) = 0 [pid 7938] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7944] memfd_create("syzkaller", 0 [pid 7943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7942] setpgid(0, 0 [pid 7941] write(3, "1000", 4 [pid 7943] <... mmap resumed>) = 0x7f8720789000 [pid 7942] <... setpgid resumed>) = 0 [pid 7941] <... write resumed>) = 4 [pid 7944] <... memfd_create resumed>) = 3 [pid 7944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7941] close(3 [pid 7942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7941] <... close resumed>) = 0 [pid 7941] symlink("/dev/binderfs", "./binderfs" [pid 7942] <... openat resumed>) = 3 [pid 7941] <... symlink resumed>) = 0 [pid 7941] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 268.160254][ T7935] reiserfs: using flush barriers [ 268.168103][ T7935] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7940] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7941] <... futex resumed>) = 0 [pid 7941] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7942] write(3, "1000", 4 [pid 7941] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7942] <... write resumed>) = 4 [pid 7941] <... mprotect resumed>) = 0 [pid 7942] close(3 [pid 7941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7942] <... close resumed>) = 0 [pid 7941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7942] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7945 attached [pid 7942] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7942] <... futex resumed>) = 0 [pid 7941] <... clone3 resumed> => {parent_tid=[7945]}, 88) = 7945 [pid 7945] <... rseq resumed>) = 0 [pid 7942] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7941] rt_sigprocmask(SIG_SETMASK, [], [pid 7945] set_robust_list(0x7f8728ba99a0, 24 [pid 7942] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7945] <... set_robust_list resumed>) = 0 [pid 7945] rt_sigprocmask(SIG_SETMASK, [], [pid 7942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7941] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7941] <... futex resumed>) = 0 [pid 7945] memfd_create("syzkaller", 0 [pid 7942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7941] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7945] <... memfd_create resumed>) = 3 [pid 7942] <... mmap resumed>) = 0x7f8728b89000 [pid 7945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7942] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7945] <... mmap resumed>) = 0x7f8720789000 [pid 7942] <... mprotect resumed>) = 0 [pid 7942] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7946 attached [ 268.211884][ T7935] REISERFS (device loop5): checking transaction log (loop5) [ 268.231328][ T7935] REISERFS (device loop5): Using tea hash to sort names => {parent_tid=[7946]}, 88) = 7946 [pid 7946] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7946] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7946] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7945] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7942] rt_sigprocmask(SIG_SETMASK, [], [pid 7940] <... write resumed>) = 4194304 [pid 7942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7942] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7940] munmap(0x7f8720789000, 138412032 [pid 7942] <... futex resumed>) = 1 [pid 7946] <... futex resumed>) = 0 [pid 7942] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7946] memfd_create("syzkaller", 0) = 3 [pid 7946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7944] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7940] <... munmap resumed>) = 0 [pid 7935] <... mount resumed>) = 0 [pid 7935] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7940] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7935] <... openat resumed>) = 3 [pid 7935] chdir("./file0") = 0 [pid 7940] ioctl(4, LOOP_SET_FD, 3 [pid 7935] ioctl(4, LOOP_CLR_FD) = 0 [ 268.285513][ T7935] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7935] close(4) = 0 [pid 7935] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7933] <... futex resumed>) = 0 [pid 7935] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7933] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] <... open resumed>) = 4 [pid 7933] <... futex resumed>) = 0 [pid 7935] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7935] <... futex resumed>) = 0 [pid 7933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7935] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 7933] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] ftruncate(4, 33587195 [pid 7933] <... futex resumed>) = 0 [pid 7940] <... ioctl resumed>) = 0 [pid 7935] <... ftruncate resumed>) = 0 [pid 7933] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7935] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7933] <... futex resumed>) = 0 [pid 7935] creat("./bus", 040 [pid 7933] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7940] close(3 [pid 7935] <... creat resumed>) = 5 [pid 7940] <... close resumed>) = 0 [pid 7935] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = 0 [pid 7940] mkdir("./file0", 0777 [pid 7935] <... futex resumed>) = 0 [pid 7933] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7935] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7940] <... mkdir resumed>) = 0 [pid 7935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7933] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7935] mkdirat(AT_FDCWD, "./file0", 000 [pid 7933] <... futex resumed>) = 0 [pid 7940] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7935] <... mkdirat resumed>) = 0 [pid 7933] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7935] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7935] <... futex resumed>) = 0 [pid 7933] exit_group(0) = ? [pid 7946] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7935] +++ exited with 0 +++ [pid 7933] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7933, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5056] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [ 268.334020][ T7940] loop3: detected capacity change from 0 to 8192 [ 268.356330][ T7940] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5056] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./156/binderfs" [pid 7946] <... write resumed>) = 4194304 [pid 7946] munmap(0x7f8720789000, 138412032 [pid 7945] <... write resumed>) = 4194304 [pid 5056] <... unlink resumed>) = 0 [pid 7946] <... munmap resumed>) = 0 [pid 7945] munmap(0x7f8720789000, 138412032 [pid 5056] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7946] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7945] <... munmap resumed>) = 0 [pid 7946] <... openat resumed>) = 4 [pid 7945] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7946] ioctl(4, LOOP_SET_FD, 3 [pid 7945] <... openat resumed>) = 4 [ 268.424380][ T7940] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 268.448721][ T7940] REISERFS (device loop3): using ordered data mode [ 268.457426][ T7940] reiserfs: using flush barriers [ 268.463593][ T7946] loop1: detected capacity change from 0 to 8192 [pid 7946] <... ioctl resumed>) = 0 [pid 7945] ioctl(4, LOOP_SET_FD, 3 [pid 7946] close(3 [pid 7945] <... ioctl resumed>) = 0 [pid 7944] <... write resumed>) = 4194304 [pid 7943] <... write resumed>) = 4194304 [pid 7946] <... close resumed>) = 0 [pid 7945] close(3 [pid 7944] munmap(0x7f8720789000, 138412032 [pid 7943] munmap(0x7f8720789000, 138412032 [pid 7946] mkdir("./file0", 0777 [pid 7945] <... close resumed>) = 0 [pid 7944] <... munmap resumed>) = 0 [pid 7943] <... munmap resumed>) = 0 [pid 7945] mkdir("./file0", 0777 [pid 7946] <... mkdir resumed>) = 0 [pid 7945] <... mkdir resumed>) = 0 [pid 7946] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 268.480677][ T7940] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.496742][ T7945] loop0: detected capacity change from 0 to 8192 [ 268.504289][ T7940] REISERFS (device loop3): checking transaction log (loop3) [ 268.522556][ T7940] REISERFS (device loop3): Using tea hash to sort names [pid 7945] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7944] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7943] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7944] <... openat resumed>) = 4 [pid 7943] <... openat resumed>) = 4 [pid 7944] ioctl(4, LOOP_SET_FD, 3 [pid 7943] ioctl(4, LOOP_SET_FD, 3 [pid 7944] <... ioctl resumed>) = 0 [pid 7944] close(3) = 0 [pid 7944] mkdir("./file0", 0777) = 0 [ 268.525099][ T7944] loop2: detected capacity change from 0 to 8192 [ 268.537085][ T7946] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.538496][ T7945] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.550921][ T7943] loop4: detected capacity change from 0 to 8192 [ 268.570283][ T7940] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 7944] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7943] <... ioctl resumed>) = 0 [pid 7940] <... mount resumed>) = 0 [pid 7940] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7940] chdir("./file0") = 0 [pid 7940] ioctl(4, LOOP_CLR_FD) = 0 [pid 7940] close(4 [pid 7943] close(3 [pid 7940] <... close resumed>) = 0 [pid 7940] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7936] <... futex resumed>) = 0 [pid 7943] <... close resumed>) = 0 [pid 7940] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7936] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] mkdir("./file0", 0777 [pid 7936] <... futex resumed>) = 0 [ 268.593420][ T7944] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 268.607367][ T7946] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 268.612173][ T7945] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 268.626699][ T7945] REISERFS (device loop0): using ordered data mode [ 268.633243][ T7945] reiserfs: using flush barriers [pid 7943] <... mkdir resumed>) = 0 [pid 7940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7936] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7940] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7943] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7940] <... open resumed>) = 4 [pid 7940] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 268.640193][ T7946] REISERFS (device loop1): using ordered data mode [ 268.642003][ T7944] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 268.649114][ T29] kauditd_printk_skb: 15 callbacks suppressed [ 268.649128][ T29] audit: type=1800 audit(1698988413.404:939): pid=7940 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 268.657713][ T7944] REISERFS (device loop2): using ordered data mode [pid 7940] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7936] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 7936] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7940] <... futex resumed>) = 0 [pid 7936] <... futex resumed>) = 1 [pid 7940] ftruncate(4, 33587195 [pid 7936] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7940] <... ftruncate resumed>) = 0 [ 268.668924][ T7945] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.684299][ T7944] reiserfs: using flush barriers [ 268.695189][ T7946] reiserfs: using flush barriers [ 268.708884][ T7945] REISERFS (device loop0): checking transaction log (loop0) [ 268.724049][ T7943] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7940] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7940] <... futex resumed>) = 1 [pid 7936] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7940] creat("./bus", 040 [pid 7936] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(AT_FDCWD, "./156/file0", [pid 7936] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7936] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 268.737377][ T7944] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.754662][ T7945] REISERFS (device loop0): Using tea hash to sort names [ 268.755146][ T7944] REISERFS (device loop2): checking transaction log (loop2) [ 268.762024][ T7945] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 268.769228][ T7943] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 268.788102][ T7943] REISERFS (device loop4): using ordered data mode [pid 7940] <... creat resumed>) = 5 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./156/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./156") = 0 [pid 7940] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7936] <... futex resumed>) = 0 [pid 5056] mkdir("./157", 0777 [pid 7936] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... mkdir resumed>) = 0 [pid 7936] <... futex resumed>) = 0 [ 268.794950][ T7943] reiserfs: using flush barriers [ 268.800026][ T7944] REISERFS (device loop2): Using tea hash to sort names [ 268.807133][ T7943] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 268.815712][ T7946] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7936] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7940] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7945] <... mount resumed>) = 0 [pid 7944] <... mount resumed>) = 0 [pid 7940] <... mkdirat resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 7945] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7944] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7940] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7936] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7936] exit_group(0) = ? [pid 7945] <... openat resumed>) = 3 [pid 7944] <... openat resumed>) = 3 [pid 7940] <... futex resumed>) = ? [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7946] <... mount resumed>) = 0 [pid 7946] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7945] chdir("./file0" [pid 7944] chdir("./file0" [pid 7943] <... mount resumed>) = 0 [pid 7940] +++ exited with 0 +++ [pid 7936] +++ exited with 0 +++ [pid 5056] close(3 [pid 7946] <... openat resumed>) = 3 [pid 7945] <... chdir resumed>) = 0 [pid 7944] <... chdir resumed>) = 0 [pid 7943] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7936, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 7944] ioctl(4, LOOP_CLR_FD [pid 7943] <... openat resumed>) = 3 [pid 7944] <... ioctl resumed>) = 0 [pid 7943] chdir("./file0" [pid 5054] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", [pid 7943] <... chdir resumed>) = 0 [pid 7945] ioctl(4, LOOP_CLR_FD [pid 7946] chdir("./file0" [pid 7945] <... ioctl resumed>) = 0 [pid 7946] <... chdir resumed>) = 0 [pid 7945] close(4 [pid 7944] close(4 [pid 7943] ioctl(4, LOOP_CLR_FD [pid 7946] ioctl(4, LOOP_CLR_FD) = 0 [pid 7945] <... close resumed>) = 0 [pid 7944] <... close resumed>) = 0 [pid 7943] <... ioctl resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7946] close(4 [pid 7945] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] close(4 [pid 7946] <... close resumed>) = 0 [pid 7945] <... futex resumed>) = 1 [pid 7944] <... futex resumed>) = 1 [pid 7943] <... close resumed>) = 0 [pid 7941] <... futex resumed>) = 0 [pid 7938] <... futex resumed>) = 0 [pid 5054] getdents64(3, [pid 7946] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7944] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7943] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7941] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7946] <... futex resumed>) = 1 [pid 7945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7943] <... futex resumed>) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7941] <... futex resumed>) = 0 [pid 7938] <... futex resumed>) = 0 [pid 7937] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [ 268.824820][ T7944] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 268.842103][ T7946] REISERFS (device loop1): checking transaction log (loop1) [ 268.851415][ T7943] REISERFS (device loop4): checking transaction log (loop4) [ 268.861635][ T7946] REISERFS (device loop1): Using tea hash to sort names [ 268.864983][ T7943] REISERFS (device loop4): Using tea hash to sort names [ 268.872964][ T7946] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 268.878738][ T7943] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 7946] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7945] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7944] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7943] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7941] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7938] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7937] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 7946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7945] <... open resumed>) = 4 [pid 7944] <... open resumed>) = 4 [pid 7937] <... futex resumed>) = 0 [pid 5054] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7944] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7944] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7943] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7946] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7945] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] <... open resumed>) = 4 [pid 7942] <... futex resumed>) = 0 [pid 7941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7937] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7941] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(AT_FDCWD, "./153/binderfs", [pid 7942] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7945] <... futex resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7945] ftruncate(4, 33587195 [pid 7944] <... futex resumed>) = 0 [pid 7943] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] <... futex resumed>) = 1 [pid 7946] <... open resumed>) = 4 [pid 7941] <... futex resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7952 [pid 5054] unlink("./153/binderfs" [pid 7946] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] ftruncate(4, 33587195 [pid 7943] <... futex resumed>) = 1 [pid 7941] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7937] <... futex resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 7946] <... futex resumed>) = 1 [pid 7943] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] <... futex resumed>) = 0 [pid 7937] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7952 attached [pid 7946] ftruncate(4, 33587195 [pid 7945] <... ftruncate resumed>) = 0 [pid 7944] <... ftruncate resumed>) = 0 [pid 7943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7942] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7937] <... futex resumed>) = 0 [pid 7952] set_robust_list(0x55555656d6a0, 24 [pid 7945] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] ftruncate(4, 33587195 [pid 7942] <... futex resumed>) = 0 [pid 7937] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7952] <... set_robust_list resumed>) = 0 [pid 7944] <... futex resumed>) = 1 [pid 7952] chdir("./157" [pid 7946] <... ftruncate resumed>) = 0 [pid 7945] <... futex resumed>) = 1 [pid 7944] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7941] <... futex resumed>) = 0 [pid 7938] <... futex resumed>) = 0 [pid 7952] <... chdir resumed>) = 0 [pid 7945] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7943] <... ftruncate resumed>) = 0 [pid 7941] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7944] creat("./bus", 040 [pid 7943] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7941] <... futex resumed>) = 0 [pid 7938] <... futex resumed>) = 0 [pid 7952] <... prctl resumed>) = 0 [pid 7945] creat("./bus", 040 [pid 7943] <... futex resumed>) = 1 [pid 7941] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7938] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7937] <... futex resumed>) = 0 [pid 7952] setpgid(0, 0 [pid 7945] <... creat resumed>) = 5 [pid 7944] <... creat resumed>) = 5 [pid 7943] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7937] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... setpgid resumed>) = 0 [pid 7937] <... futex resumed>) = 0 [pid 7952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7937] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7952] <... openat resumed>) = 3 [pid 7946] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] write(3, "1000", 4 [pid 7946] <... futex resumed>) = 1 [pid 7945] <... futex resumed>) = 1 [pid 7943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 268.917435][ T29] audit: type=1800 audit(1698988413.674:941): pid=7944 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 7942] <... futex resumed>) = 0 [pid 7941] <... futex resumed>) = 0 [pid 7952] <... write resumed>) = 4 [pid 7945] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7943] creat("./bus", 040 [pid 7942] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7941] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7946] creat("./bus", 040 [pid 7952] close(3 [pid 7945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7943] <... creat resumed>) = 5 [pid 7942] <... futex resumed>) = 0 [pid 7941] <... futex resumed>) = 0 [pid 7952] <... close resumed>) = 0 [pid 7952] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7952] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... futex resumed>) = 0 [pid 7944] <... futex resumed>) = 1 [pid 7944] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7952] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7952] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7952] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7952] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7943] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7943] <... futex resumed>) = 1 [pid 7937] <... futex resumed>) = 0 [pid 7952] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7943] mkdirat(AT_FDCWD, "./file0", 000 [pid 7937] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7953 attached [pid 7943] <... mkdirat resumed>) = 0 [pid 7937] <... futex resumed>) = 0 [pid 7937] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7952] <... clone3 resumed> => {parent_tid=[7953]}, 88) = 7953 [pid 7953] set_robust_list(0x7f8728ba99a0, 24 [pid 7952] rt_sigprocmask(SIG_SETMASK, [], [pid 7943] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] <... set_robust_list resumed>) = 0 [pid 7952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7953] rt_sigprocmask(SIG_SETMASK, [], [pid 7952] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7943] <... futex resumed>) = 1 [pid 7937] <... futex resumed>) = 0 [pid 7953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7952] <... futex resumed>) = 0 [pid 7943] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7937] exit_group(0 [pid 7952] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7946] <... creat resumed>) = 5 [pid 7945] mkdirat(AT_FDCWD, "./file0", 000 [pid 7943] <... futex resumed>) = ? [pid 7942] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7941] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7938] <... futex resumed>) = 0 [pid 7937] <... exit_group resumed>) = ? [pid 7953] memfd_create("syzkaller", 0 [pid 7943] +++ exited with 0 +++ [pid 7937] +++ exited with 0 +++ [pid 7953] <... memfd_create resumed>) = 3 [pid 7953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7938] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7937, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7945] <... mkdirat resumed>) = 0 [pid 7944] <... futex resumed>) = 0 [pid 7938] <... futex resumed>) = 1 [pid 7945] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7938] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7945] <... futex resumed>) = 1 [pid 7944] mkdirat(AT_FDCWD, "./file0", 000 [pid 7941] <... futex resumed>) = 0 [pid 5055] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7946] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7945] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7941] exit_group(0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7946] <... futex resumed>) = 1 [pid 7945] <... futex resumed>) = ? [pid 7942] <... futex resumed>) = 0 [pid 7941] <... exit_group resumed>) = ? [pid 5055] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7946] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7945] +++ exited with 0 +++ [pid 7942] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 7944] <... mkdirat resumed>) = 0 [pid 7944] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7944] <... futex resumed>) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7941] +++ exited with 0 +++ [pid 7938] <... futex resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 7946] mkdirat(AT_FDCWD, "./file0", 000 [pid 7944] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7938] exit_group(0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7946] <... mkdirat resumed>) = 0 [pid 7944] <... futex resumed>) = ? [pid 7938] <... exit_group resumed>) = ? [pid 5055] getdents64(3, [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7941, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 7946] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7944] +++ exited with 0 +++ [pid 7938] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7938, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5051] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7946] <... futex resumed>) = 1 [pid 7942] <... futex resumed>) = 0 [pid 7946] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7942] exit_group(0 [pid 5051] <... openat resumed>) = 3 [pid 7946] <... futex resumed>) = ? [pid 7942] <... exit_group resumed>) = ? [pid 5051] newfstatat(3, "", [pid 7946] +++ exited with 0 +++ [pid 7942] +++ exited with 0 +++ [pid 5053] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 268.982664][ T29] audit: type=1800 audit(1698988413.674:940): pid=7945 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 269.012225][ T29] audit: type=1800 audit(1698988413.704:942): pid=7943 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7942, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5053] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 5051] getdents64(3, [pid 5055] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... openat resumed>) = 3 [pid 5052] <... restart_syscall resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(3, "", [pid 5051] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] newfstatat(AT_FDCWD, "./154/binderfs", [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] getdents64(3, [pid 5052] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./160/binderfs", [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] unlink("./154/binderfs" [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5053] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] unlink("./160/binderfs" [pid 5055] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... unlink resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./156/binderfs", [pid 5051] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5054] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] unlink("./156/binderfs" [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... unlink resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./157/binderfs" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... unlink resumed>) = 0 [pid 5052] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(AT_FDCWD, "./153/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 269.074847][ T29] audit: type=1800 audit(1698988413.704:943): pid=7946 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, [pid 7953] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5054] close(4 [pid 5051] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] rmdir("./153/file0") = 0 [pid 5051] newfstatat(AT_FDCWD, "./160/file0", [pid 5052] <... umount2 resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] getdents64(3, [pid 5052] newfstatat(AT_FDCWD, "./157/file0", [pid 5051] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... openat resumed>) = 4 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] newfstatat(4, "", [pid 5054] close(3 [pid 5052] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(4, [pid 5052] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... close resumed>) = 0 [pid 5051] getdents64(4, [pid 5055] <... umount2 resumed>) = 0 [pid 5054] rmdir("./153" [pid 5052] <... openat resumed>) = 4 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 5051] close(4 [pid 5055] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./154", 0777 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... close resumed>) = 0 [pid 5052] getdents64(4, [pid 5051] rmdir("./160/file0" [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... mkdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./157/file0") = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 5052] rmdir("./157" [pid 5055] newfstatat(AT_FDCWD, "./154/file0", [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5052] mkdir("./158", 0777 [pid 5051] getdents64(3, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 5055] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] close(3 [pid 5051] close(3 [pid 5055] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] newfstatat(4, "", [pid 5052] <... openat resumed>) = 3 [pid 5051] rmdir("./160" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3 [pid 5055] getdents64(4, [pid 5051] <... rmdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] mkdir("./161", 0777 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7955 ./strace-static-x86_64: Process 7955 attached [pid 7955] set_robust_list(0x55555656d6a0, 24 [pid 5055] getdents64(4, [pid 5051] <... mkdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7954 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] close(4./strace-static-x86_64: Process 7954 attached [pid 7955] <... set_robust_list resumed>) = 0 [pid 7955] chdir("./158") = 0 [pid 7955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7955] setpgid(0, 0) = 0 [pid 7955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7954] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 7954] <... set_robust_list resumed>) = 0 [pid 5055] rmdir("./154/file0" [pid 5051] ioctl(3, LOOP_CLR_FD [pid 7955] write(3, "1000", 4) = 4 [pid 7955] close(3 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7955] <... close resumed>) = 0 [pid 7955] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7954] chdir("./154" [pid 5055] <... rmdir resumed>) = 0 [pid 5051] close(3 [pid 7955] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7955] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7955] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7955] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7954] <... chdir resumed>) = 0 [pid 5055] getdents64(3, [pid 5051] <... close resumed>) = 0 [pid 7954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7954] <... prctl resumed>) = 0 [pid 5055] close(3 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7954] setpgid(0, 0 [pid 7955] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7956 attached [pid 7955] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7954] <... setpgid resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 7956] set_robust_list(0x55555656d6a0, 24 [pid 7955] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] rmdir("./154" [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7956 [pid 7956] <... set_robust_list resumed>) = 0 [pid 7955] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7956] chdir("./161" [pid 7954] <... openat resumed>) = 3 [pid 5055] <... rmdir resumed>) = 0 [pid 7956] <... chdir resumed>) = 0 [pid 7955] <... clone3 resumed> => {parent_tid=[7957]}, 88) = 7957 [pid 7954] write(3, "1000", 4 [pid 5055] mkdir("./155", 0777 [pid 7956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7955] rt_sigprocmask(SIG_SETMASK, [], [pid 7954] <... write resumed>) = 4 [pid 7955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7956] <... prctl resumed>) = 0 [pid 7955] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7954] close(3 [pid 7955] <... futex resumed>) = 0 [pid 7955] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... mkdir resumed>) = 0 [pid 7956] setpgid(0, 0 [pid 7954] <... close resumed>) = 0 ./strace-static-x86_64: Process 7957 attached [pid 7956] <... setpgid resumed>) = 0 [pid 7954] symlink("/dev/binderfs", "./binderfs" [pid 7953] <... write resumed>) = 4194304 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7957] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7956] <... openat resumed>) = 3 [pid 7954] <... symlink resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 7956] write(3, "1000", 4 [pid 7954] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7956] <... write resumed>) = 4 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 7957] <... rseq resumed>) = 0 [pid 7956] close(3 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7957] set_robust_list(0x7f8728ba99a0, 24 [pid 7956] <... close resumed>) = 0 [pid 7957] <... set_robust_list resumed>) = 0 [pid 7957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7957] memfd_create("syzkaller", 0) = 3 [pid 7957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7956] symlink("/dev/binderfs", "./binderfs" [pid 5055] close(3 [pid 7954] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 7956] <... symlink resumed>) = 0 [pid 7954] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7954] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 7958 attached NULL, 8) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7958 [pid 7958] set_robust_list(0x55555656d6a0, 24 [pid 7956] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7953] munmap(0x7f8720789000, 138412032 [pid 7954] <... mmap resumed>) = 0x7f8728b89000 [pid 7954] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7956] <... futex resumed>) = 0 [pid 7956] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7953] <... munmap resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 7956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7958] <... set_robust_list resumed>) = 0 [pid 7956] <... mmap resumed>) = 0x7f8728b89000 [pid 7954] <... clone3 resumed> => {parent_tid=[7959]}, 88) = 7959 [pid 7953] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7954] rt_sigprocmask(SIG_SETMASK, [], [pid 7953] <... openat resumed>) = 4 [pid 7958] chdir("./155" [pid 7956] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7953] ioctl(4, LOOP_SET_FD, 3 [pid 7958] <... chdir resumed>) = 0 [pid 5053] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7959 attached ) = -1 EINVAL (Invalid argument) [pid 7959] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] newfstatat(AT_FDCWD, "./156/file0", [pid 7959] <... rseq resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7959] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7959] <... set_robust_list resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7959] rt_sigprocmask(SIG_SETMASK, [], [pid 7958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7956] <... mprotect resumed>) = 0 [pid 7954] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] <... ioctl resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7958] <... prctl resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 7959] memfd_create("syzkaller", 0 [pid 7958] setpgid(0, 0 [pid 7956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7954] <... futex resumed>) = 0 [pid 5053] newfstatat(4, "", [pid 7959] <... memfd_create resumed>) = 3 [pid 7958] <... setpgid resumed>) = 0 [pid 7957] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7954] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7953] close(3 [pid 5053] getdents64(4, [pid 7958] <... openat resumed>) = 3 [pid 7959] <... mmap resumed>) = 0x7f8720789000 [pid 7958] write(3, "1000", 4 [pid 7953] <... close resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7958] <... write resumed>) = 4 [pid 7956] <... clone3 resumed> => {parent_tid=[7960]}, 88) = 7960 [pid 7953] mkdir("./file0", 0777 [pid 7958] close(3 [pid 7956] rt_sigprocmask(SIG_SETMASK, [], [pid 7953] <... mkdir resumed>) = 0 [pid 5053] getdents64(4, [pid 7958] <... close resumed>) = 0 [ 269.394706][ T7953] loop5: detected capacity change from 0 to 8192 [pid 7958] symlink("/dev/binderfs", "./binderfs" [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7960 attached [pid 7958] <... symlink resumed>) = 0 [pid 5053] close(4 [pid 7960] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] <... close resumed>) = 0 [pid 7960] <... rseq resumed>) = 0 [pid 5053] rmdir("./156/file0" [pid 7960] set_robust_list(0x7f8728ba99a0, 24 [pid 7958] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7953] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] <... rmdir resumed>) = 0 [pid 7960] <... set_robust_list resumed>) = 0 [pid 7956] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(3, [pid 7960] rt_sigprocmask(SIG_SETMASK, [], [pid 7958] <... futex resumed>) = 0 [pid 7956] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7958] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7956] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] close(3 [pid 7960] memfd_create("syzkaller", 0 [pid 7958] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5053] <... close resumed>) = 0 [pid 7960] <... memfd_create resumed>) = 3 [pid 5053] rmdir("./156" [pid 7960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... rmdir resumed>) = 0 [pid 7960] <... mmap resumed>) = 0x7f8720789000 [pid 5053] mkdir("./157", 0777) = 0 [pid 7958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7958] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 7958] <... clone3 resumed> => {parent_tid=[7962]}, 88) = 7962 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7958] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] close(3 [pid 7958] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 269.465438][ T7953] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7958] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7962 attached [pid 7959] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7958] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 7962] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7962] <... rseq resumed>) = 0 [pid 7962] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7963 [pid 7962] <... set_robust_list resumed>) = 0 [pid 7962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7962] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 7963 attached [pid 7962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7963] set_robust_list(0x55555656d6a0, 24 [pid 7962] <... mmap resumed>) = 0x7f8720789000 [pid 7958] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7963] <... set_robust_list resumed>) = 0 [pid 7963] chdir("./157") = 0 [pid 7963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7957] <... write resumed>) = 4194304 [pid 7963] setpgid(0, 0 [pid 7957] munmap(0x7f8720789000, 138412032) = 0 [pid 7957] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 7963] <... setpgid resumed>) = 0 [pid 7963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7957] <... openat resumed>) = 4 [ 269.521889][ T7953] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 269.533865][ T7953] REISERFS (device loop5): using ordered data mode [ 269.540401][ T7953] reiserfs: using flush barriers [pid 7957] ioctl(4, LOOP_SET_FD, 3 [pid 7963] <... openat resumed>) = 3 [pid 7957] <... ioctl resumed>) = 0 [pid 7962] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7957] close(3) = 0 [pid 7960] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7963] write(3, "1000", 4 [pid 7957] mkdir("./file0", 0777 [pid 7963] <... write resumed>) = 4 [pid 7957] <... mkdir resumed>) = 0 [pid 7957] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7963] close(3) = 0 [pid 7963] symlink("/dev/binderfs", "./binderfs") = 0 [ 269.574610][ T7957] loop1: detected capacity change from 0 to 8192 [ 269.605209][ T7953] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7963] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7963] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7963] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 7965 attached [pid 7965] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7963] <... clone3 resumed> => {parent_tid=[7965]}, 88) = 7965 [pid 7965] <... rseq resumed>) = 0 [pid 7963] rt_sigprocmask(SIG_SETMASK, [], [pid 7965] set_robust_list(0x7f8728ba99a0, 24 [pid 7963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7965] <... set_robust_list resumed>) = 0 [pid 7963] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] rt_sigprocmask(SIG_SETMASK, [], [pid 7963] <... futex resumed>) = 0 [pid 7965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7963] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7965] memfd_create("syzkaller", 0) = 3 [pid 7965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 269.632810][ T7957] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.663732][ T7957] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 269.673041][ T7957] REISERFS (device loop1): using ordered data mode [pid 7962] <... write resumed>) = 4194304 [pid 7959] <... write resumed>) = 4194304 [pid 7962] munmap(0x7f8720789000, 138412032 [pid 7959] munmap(0x7f8720789000, 138412032 [pid 7962] <... munmap resumed>) = 0 [pid 7960] <... write resumed>) = 4194304 [pid 7959] <... munmap resumed>) = 0 [pid 7959] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 7959] ioctl(4, LOOP_SET_FD, 3 [pid 7962] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7962] ioctl(4, LOOP_SET_FD, 3 [pid 7965] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7960] munmap(0x7f8720789000, 138412032 [pid 7959] <... ioctl resumed>) = 0 [ 269.685485][ T7953] REISERFS (device loop5): checking transaction log (loop5) [ 269.701445][ T7957] reiserfs: using flush barriers [ 269.716866][ T7959] loop3: detected capacity change from 0 to 8192 [ 269.723380][ T7962] loop4: detected capacity change from 0 to 8192 [pid 7960] <... munmap resumed>) = 0 [pid 7959] close(3 [pid 7962] <... ioctl resumed>) = 0 [pid 7962] close(3 [pid 7959] <... close resumed>) = 0 [pid 7962] <... close resumed>) = 0 [pid 7962] mkdir("./file0", 0777 [pid 7959] mkdir("./file0", 0777) = 0 [pid 7960] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7959] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7962] <... mkdir resumed>) = 0 [pid 7960] <... openat resumed>) = 4 [ 269.732133][ T7957] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.748514][ T7953] REISERFS (device loop5): Using tea hash to sort names [ 269.756524][ T7957] REISERFS (device loop1): checking transaction log (loop1) [ 269.766455][ T7957] REISERFS (device loop1): Using tea hash to sort names [ 269.768960][ T7960] loop0: detected capacity change from 0 to 8192 [pid 7960] ioctl(4, LOOP_SET_FD, 3 [pid 7962] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7957] <... mount resumed>) = 0 [pid 7960] <... ioctl resumed>) = 0 [pid 7957] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7960] close(3 [pid 7957] <... openat resumed>) = 3 [pid 7960] <... close resumed>) = 0 [pid 7957] chdir("./file0" [pid 7960] mkdir("./file0", 0777 [pid 7953] <... mount resumed>) = 0 [pid 7957] <... chdir resumed>) = 0 [pid 7960] <... mkdir resumed>) = 0 [pid 7960] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7957] ioctl(4, LOOP_CLR_FD [pid 7953] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7957] <... ioctl resumed>) = 0 [pid 7953] <... openat resumed>) = 3 [pid 7957] close(4 [pid 7953] chdir("./file0" [pid 7957] <... close resumed>) = 0 [pid 7953] <... chdir resumed>) = 0 [ 269.773973][ T7957] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 269.782172][ T7959] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.789885][ T7953] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 269.805037][ T7959] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 7957] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7955] <... futex resumed>) = 0 [ 269.832381][ T7962] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.846661][ T7960] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 269.851950][ T7959] REISERFS (device loop3): using ordered data mode [ 269.862624][ T7960] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 269.873702][ T7962] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 7953] ioctl(4, LOOP_CLR_FD [pid 7957] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7955] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] <... ioctl resumed>) = 0 [pid 7965] <... write resumed>) = 4194304 [pid 7957] <... open resumed>) = 4 [pid 7955] <... futex resumed>) = 0 [pid 7953] close(4 [ 269.884760][ T7959] reiserfs: using flush barriers [ 269.886558][ T7959] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.899622][ T7962] REISERFS (device loop4): using ordered data mode [ 269.908275][ T7959] REISERFS (device loop3): checking transaction log (loop3) [pid 7965] munmap(0x7f8720789000, 138412032) = 0 [pid 7957] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7955] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] <... close resumed>) = 0 [pid 7955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7955] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7957] <... futex resumed>) = 0 [pid 7955] <... futex resumed>) = 0 [pid 7957] ftruncate(4, 33587195 [pid 7953] <... futex resumed>) = 1 [pid 7955] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7957] <... ftruncate resumed>) = 0 [pid 7953] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7965] <... openat resumed>) = 4 [pid 7952] <... futex resumed>) = 0 [pid 7965] ioctl(4, LOOP_SET_FD, 3 [pid 7952] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7959] <... mount resumed>) = 0 [pid 7957] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7952] <... futex resumed>) = 0 [pid 7952] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7957] <... futex resumed>) = 1 [pid 7955] <... futex resumed>) = 0 [pid 7957] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7955] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7959] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7955] <... futex resumed>) = 0 [pid 7957] creat("./bus", 040 [pid 7955] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7959] <... openat resumed>) = 3 [pid 7957] <... creat resumed>) = 5 [pid 7953] <... open resumed>) = 4 [pid 7959] chdir("./file0" [pid 7957] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7959] <... chdir resumed>) = 0 [pid 7955] <... futex resumed>) = 0 [pid 7953] <... futex resumed>) = 1 [pid 7957] <... futex resumed>) = 1 [pid 7959] ioctl(4, LOOP_CLR_FD [pid 7957] mkdirat(AT_FDCWD, "./file0", 000 [pid 7955] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7953] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7959] <... ioctl resumed>) = 0 [pid 7957] <... mkdirat resumed>) = 0 [pid 7955] <... futex resumed>) = 0 [pid 7952] <... futex resumed>) = 0 [pid 7959] close(4 [pid 7957] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7955] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7959] <... close resumed>) = 0 [pid 7957] <... futex resumed>) = 0 [pid 7955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7959] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7957] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7959] <... futex resumed>) = 1 [pid 7954] <... futex resumed>) = 0 [pid 7959] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7955] exit_group(0 [pid 7954] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7957] <... futex resumed>) = ? [pid 7955] <... exit_group resumed>) = ? [pid 7954] <... futex resumed>) = 0 [pid 7957] +++ exited with 0 +++ [ 269.916793][ T29] audit: type=1800 audit(1698988414.664:944): pid=7957 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 269.920969][ T7959] REISERFS (device loop3): Using tea hash to sort names [ 269.953973][ T7960] REISERFS (device loop0): using ordered data mode [ 269.954242][ T7959] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 269.960480][ T7960] reiserfs: using flush barriers [ 269.964905][ T7965] loop2: detected capacity change from 0 to 8192 [ 269.970720][ T7962] reiserfs: using flush barriers [pid 7954] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7959] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7955] +++ exited with 0 +++ [pid 7952] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7965] <... ioctl resumed>) = 0 [pid 7952] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] close(3) = 0 [pid 7953] <... futex resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7955, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 7965] mkdir("./file0", 0777 [pid 7959] <... open resumed>) = 4 [pid 7953] ftruncate(4, 33587195 [pid 7965] <... mkdir resumed>) = 0 [pid 7965] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7959] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7959] <... futex resumed>) = 1 [pid 5052] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7959] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7953] <... ftruncate resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7954] <... futex resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 7954] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 269.997566][ T7960] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 269.999773][ T7962] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.031935][ T7962] REISERFS (device loop4): checking transaction log (loop4) [pid 7954] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7953] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 7959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7959] ftruncate(4, 33587195) = 0 [pid 7953] <... futex resumed>) = 1 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7959] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7954] <... futex resumed>) = 0 [pid 7954] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7959] creat("./bus", 040 [pid 7954] <... futex resumed>) = 0 [pid 7952] <... futex resumed>) = 0 [ 270.045923][ T7965] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.059860][ T29] audit: type=1800 audit(1698988414.744:945): pid=7953 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 270.075577][ T7960] REISERFS (device loop0): checking transaction log (loop0) [pid 7959] <... creat resumed>) = 5 [pid 7954] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7952] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7959] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7954] <... futex resumed>) = 0 [pid 7952] <... futex resumed>) = 0 [pid 7959] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7954] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7952] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7954] <... futex resumed>) = 0 [pid 7959] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7954] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7959] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7954] <... futex resumed>) = 0 [pid 7959] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7954] exit_group(0 [pid 7953] creat("./bus", 040 [pid 5052] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7953] <... creat resumed>) = 5 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7953] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./158/binderfs", [pid 7953] <... futex resumed>) = 1 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7953] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] unlink("./158/binderfs") = 0 [pid 5052] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7952] <... futex resumed>) = 0 [pid 7954] <... exit_group resumed>) = ? [pid 7952] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7953] <... futex resumed>) = 0 [pid 7952] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7959] <... futex resumed>) = ? [pid 7953] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7959] +++ exited with 0 +++ [pid 7954] +++ exited with 0 +++ [pid 7953] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7952] <... futex resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7954, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 7952] exit_group(0) = ? [pid 5054] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7953] +++ exited with 0 +++ [pid 7952] +++ exited with 0 +++ [pid 5054] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7952, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5054] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", [pid 5056] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] getdents64(3, [pid 5056] <... openat resumed>) = 3 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] newfstatat(3, "", [pid 5054] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] getdents64(3, [pid 5054] newfstatat(AT_FDCWD, "./154/binderfs", [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] unlink("./154/binderfs" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... unlink resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 270.081325][ T29] audit: type=1800 audit(1698988414.784:946): pid=7959 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 270.109523][ T7965] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 270.119058][ T7965] REISERFS (device loop2): using ordered data mode [ 270.125779][ T7965] reiserfs: using flush barriers [ 270.132014][ T7962] REISERFS (device loop4): Using tea hash to sort names [ 270.162065][ T7965] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 270.162881][ T7962] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 270.190514][ T7965] REISERFS (device loop2): checking transaction log (loop2) [ 270.199005][ T7965] REISERFS (device loop2): Using tea hash to sort names [pid 5056] unlink("./157/binderfs" [pid 7962] <... mount resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5054] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7962] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7962] <... openat resumed>) = 3 [pid 7962] chdir("./file0") = 0 [pid 7962] ioctl(4, LOOP_CLR_FD) = 0 [pid 7962] close(4) = 0 [pid 7962] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7962] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7958] <... futex resumed>) = 0 [pid 7958] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] <... mount resumed>) = 0 [ 270.204888][ T7960] REISERFS (device loop0): Using tea hash to sort names [ 270.208115][ T7965] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 270.213436][ T7960] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7962] <... futex resumed>) = 0 [pid 7960] <... mount resumed>) = 0 [pid 7958] <... futex resumed>) = 1 [pid 7958] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7965] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7965] chdir("./file0") = 0 [pid 7965] ioctl(4, LOOP_CLR_FD) = 0 [pid 7962] <... open resumed>) = 4 [pid 7962] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] close(4 [pid 7962] <... futex resumed>) = 1 [pid 7965] <... close resumed>) = 0 [pid 7965] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7965] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7963] <... futex resumed>) = 0 [pid 7962] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7958] <... futex resumed>) = 0 [ 270.246071][ T29] audit: type=1800 audit(1698988415.004:947): pid=7962 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 7963] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7958] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7963] <... futex resumed>) = 1 [pid 7962] <... futex resumed>) = 0 [pid 7958] <... futex resumed>) = 1 [pid 7965] <... futex resumed>) = 0 [pid 7963] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7965] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7962] ftruncate(4, 33587195 [pid 7958] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7962] <... ftruncate resumed>) = 0 [pid 7960] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7960] chdir("./file0") = 0 [pid 7965] <... open resumed>) = 4 [pid 7962] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... futex resumed>) = 1 [pid 7958] <... futex resumed>) = 0 [pid 7958] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7958] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7960] ioctl(4, LOOP_CLR_FD) = 0 [pid 7960] close(4) = 0 [pid 7960] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7960] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7956] <... futex resumed>) = 0 [pid 7956] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7960] <... futex resumed>) = 0 [pid 7960] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7960] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7960] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7956] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7956] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7960] <... futex resumed>) = 0 [pid 7960] ftruncate(4, 33587195 [pid 7963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7962] creat("./bus", 040 [pid 7965] <... futex resumed>) = 0 [pid 7963] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] ftruncate(4, 33587195 [pid 7960] <... ftruncate resumed>) = 0 [pid 7956] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7960] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7956] <... futex resumed>) = 0 [pid 7956] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7956] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7963] <... futex resumed>) = 0 [pid 7962] <... creat resumed>) = 5 [pid 7960] creat("./bus", 040 [pid 7963] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7960] <... creat resumed>) = 5 [pid 7965] <... ftruncate resumed>) = 0 [pid 7965] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7965] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7963] <... futex resumed>) = 0 [pid 7960] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7956] <... futex resumed>) = 0 [pid 7956] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7956] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7960] mkdirat(AT_FDCWD, "./file0", 000 [pid 7963] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7960] <... mkdirat resumed>) = 0 [pid 7963] <... futex resumed>) = 1 [pid 7965] <... futex resumed>) = 0 [pid 7963] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 270.288070][ T29] audit: type=1800 audit(1698988415.044:948): pid=7965 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 7965] creat("./bus", 040 [pid 7960] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7965] <... creat resumed>) = 5 [pid 7962] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7958] <... futex resumed>) = 0 [pid 7958] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... futex resumed>) = 1 [pid 7958] <... futex resumed>) = 0 [pid 7958] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7960] <... futex resumed>) = 1 [pid 7956] <... futex resumed>) = 0 [pid 7956] exit_group(0) = ? [pid 7965] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7960] +++ exited with 0 +++ [pid 7956] +++ exited with 0 +++ [pid 5052] <... umount2 resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7956, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 7962] mkdirat(AT_FDCWD, "./file0", 000 [pid 5051] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7965] <... futex resumed>) = 1 [pid 7963] <... futex resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7963] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7963] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... openat resumed>) = 3 [pid 7963] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] newfstatat(3, "", [pid 5052] newfstatat(AT_FDCWD, "./158/file0", [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7962] <... mkdirat resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./161/binderfs", [pid 7965] mkdirat(AT_FDCWD, "./file0", 000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] unlink("./161/binderfs" [pid 5052] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7965] <... mkdirat resumed>) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./158/file0" [pid 7962] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... rmdir resumed>) = 0 [pid 7965] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7962] <... futex resumed>) = 1 [pid 7958] <... futex resumed>) = 0 [pid 5052] getdents64(3, [pid 7965] <... futex resumed>) = 1 [pid 7963] <... futex resumed>) = 0 [pid 7958] exit_group(0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7963] exit_group(0 [pid 7958] <... exit_group resumed>) = ? [pid 5052] close(3 [pid 7963] <... exit_group resumed>) = ? [pid 5052] <... close resumed>) = 0 [pid 5052] rmdir("./158") = 0 [pid 5052] mkdir("./159", 0777) = 0 [pid 7965] +++ exited with 0 +++ [pid 7963] +++ exited with 0 +++ [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7963, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5053] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] close(3) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 7970 attached [pid 5053] getdents64(3, [pid 7970] set_robust_list(0x55555656d6a0, 24 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7962] +++ exited with 0 +++ [pid 7958] +++ exited with 0 +++ [pid 5053] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7970 [pid 7970] <... set_robust_list resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7958, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7970] chdir("./159" [pid 5054] <... umount2 resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./157/binderfs", [pid 7970] <... chdir resumed>) = 0 [pid 5054] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] unlink("./157/binderfs" [pid 7970] <... prctl resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./154/file0", [pid 7970] setpgid(0, 0 [pid 5055] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 7970] <... setpgid resumed>) = 0 [pid 5054] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... openat resumed>) = 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7970] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", [pid 7970] write(3, "1000", 4 [pid 5054] <... openat resumed>) = 4 [pid 7970] <... write resumed>) = 4 [pid 5054] newfstatat(4, "", [pid 7970] close(3 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7970] <... close resumed>) = 0 [pid 5054] getdents64(4, [pid 7970] symlink("/dev/binderfs", "./binderfs" [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7970] <... symlink resumed>) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./154/file0") = 0 [pid 5054] getdents64(3, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] getdents64(3, [pid 5054] close(3) = 0 [pid 5054] rmdir("./154" [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... rmdir resumed>) = 0 [pid 7970] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./155", 0777 [pid 7970] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... mkdir resumed>) = 0 [pid 7970] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] newfstatat(AT_FDCWD, "./155/binderfs", [pid 7970] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7970] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7970] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] unlink("./155/binderfs" [pid 5054] <... openat resumed>) = 3 [pid 7970] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... unlink resumed>) = 0 [pid 5055] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 7971 attached [pid 7970] <... clone3 resumed> => {parent_tid=[7971]}, 88) = 7971 [pid 7971] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7970] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] close(3 [pid 7971] <... rseq resumed>) = 0 [pid 7970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7971] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7970] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 7971] rt_sigprocmask(SIG_SETMASK, [], [pid 7970] <... futex resumed>) = 0 [pid 7971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7970] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7971] memfd_create("syzkaller", 0) = 3 [pid 7971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 ./strace-static-x86_64: Process 7972 attached [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7972 [pid 7972] set_robust_list(0x55555656d6a0, 24) = 0 [pid 7972] chdir("./155") = 0 [pid 7972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7972] setpgid(0, 0) = 0 [pid 7972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7972] write(3, "1000", 4) = 4 [pid 7972] close(3) = 0 [pid 7972] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7972] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7972] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7972] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7973]}, 88) = 7973 [pid 7972] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 7973 attached NULL, 8) = 0 [pid 7973] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7972] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7973] <... rseq resumed>) = 0 [pid 7972] <... futex resumed>) = 0 [pid 7973] set_robust_list(0x7f8728ba99a0, 24 [pid 7972] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7973] <... set_robust_list resumed>) = 0 [pid 7973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7973] memfd_create("syzkaller", 0 [pid 5056] <... umount2 resumed>) = 0 [pid 7973] <... memfd_create resumed>) = 3 [pid 7971] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5051] <... umount2 resumed>) = 0 [pid 7973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5056] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./157/file0", [pid 5051] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./161/file0", [pid 5056] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... openat resumed>) = 4 [pid 5056] <... openat resumed>) = 4 [pid 5056] newfstatat(4, "", [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] getdents64(4, [pid 5056] close(4 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... close resumed>) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./161/file0" [pid 5056] rmdir("./157/file0" [pid 5051] <... rmdir resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] getdents64(3, [pid 5051] close(3) = 0 [pid 5051] rmdir("./161") = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] mkdir("./162", 0777 [pid 5056] close(3 [pid 5051] <... mkdir resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5056] rmdir("./157" [pid 5051] <... openat resumed>) = 3 [pid 5056] <... rmdir resumed>) = 0 [pid 5056] mkdir("./158", 0777) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... close resumed>) = 0 [pid 7973] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... openat resumed>) = 3 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5055] <... umount2 resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 5053] <... umount2 resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7974 ./strace-static-x86_64: Process 7974 attached [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7974] set_robust_list(0x55555656d6a0, 24 [pid 5053] newfstatat(AT_FDCWD, "./157/file0", [pid 5055] newfstatat(AT_FDCWD, "./155/file0", [pid 7974] <... set_robust_list resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7974] chdir("./162" [pid 5053] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7974] <... chdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7974] <... prctl resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 7974] setpgid(0, 0 [pid 5053] newfstatat(4, "", [pid 7974] <... setpgid resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] getdents64(4, [pid 7974] <... openat resumed>) = 3 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7974] write(3, "1000", 4 [pid 5053] getdents64(4, [pid 7974] <... write resumed>) = 4 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7975 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7974] close(3 [pid 5053] close(4 [pid 7974] <... close resumed>) = 0 [pid 5055] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 ./strace-static-x86_64: Process 7975 attached [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7974] symlink("/dev/binderfs", "./binderfs" [pid 5055] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] rmdir("./157/file0" [pid 7974] <... symlink resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 5053] <... rmdir resumed>) = 0 [pid 7975] set_robust_list(0x55555656d6a0, 24 [pid 7974] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(4, "", [pid 5053] getdents64(3, [pid 7974] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7974] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5053] close(3 [pid 7975] <... set_robust_list resumed>) = 0 [pid 7974] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7975] chdir("./158" [pid 7974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] getdents64(4, [pid 7975] <... chdir resumed>) = 0 [pid 7974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... close resumed>) = 0 [pid 7975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] getdents64(4, [pid 7974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7975] <... prctl resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] rmdir("./157" [pid 7975] setpgid(0, 0 [pid 5055] close(4 [pid 7975] <... setpgid resumed>) = 0 [pid 7974] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... close resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 7975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7974] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] rmdir("./155/file0" [pid 5053] mkdir("./158", 0777 [pid 7975] <... openat resumed>) = 3 [pid 7974] <... mprotect resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 7975] write(3, "1000", 4 [pid 7974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] getdents64(3, [pid 7975] <... write resumed>) = 4 [pid 7974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 7975] close(3 [pid 7974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] close(3 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 7976 attached [pid 7975] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 7976] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7975] symlink("/dev/binderfs", "./binderfs" [pid 7974] <... clone3 resumed> => {parent_tid=[7976]}, 88) = 7976 [pid 5055] rmdir("./155" [pid 5053] <... openat resumed>) = 3 [pid 7976] <... rseq resumed>) = 0 [pid 7975] <... symlink resumed>) = 0 [pid 7974] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... rmdir resumed>) = 0 [pid 7976] set_robust_list(0x7f8728ba99a0, 24 [pid 7975] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] mkdir("./156", 0777 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7976] <... set_robust_list resumed>) = 0 [pid 7975] <... futex resumed>) = 0 [pid 7974] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] rt_sigprocmask(SIG_SETMASK, [], [pid 7975] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7974] <... futex resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7975] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7974] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... mkdir resumed>) = 0 [pid 7975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7976] memfd_create("syzkaller", 0 [pid 7975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] close(3 [pid 7976] <... memfd_create resumed>) = 3 [pid 7975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7975] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... openat resumed>) = 3 [pid 7975] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 7975] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7975] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] close(3) = 0 [pid 7976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7971] <... write resumed>) = 4194304 [pid 5053] <... close resumed>) = 0 [pid 7976] <... mmap resumed>) = 0x7f8720789000 [pid 7971] munmap(0x7f8720789000, 138412032 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7971] <... munmap resumed>) = 0 [pid 7975] <... clone3 resumed> => {parent_tid=[7977]}, 88) = 7977 [pid 7975] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7975] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7975] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 7977 attached ./strace-static-x86_64: Process 7978 attached [pid 7971] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7971] <... openat resumed>) = 4 [pid 7971] ioctl(4, LOOP_SET_FD, 3 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7978 [pid 7978] set_robust_list(0x55555656d6a0, 24 [pid 7977] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7971] <... ioctl resumed>) = 0 [pid 7978] <... set_robust_list resumed>) = 0 [pid 7977] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 7979 attached [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7979 [pid 7979] set_robust_list(0x55555656d6a0, 24 [pid 7978] chdir("./156" [pid 7977] set_robust_list(0x7f8728ba99a0, 24 [pid 7978] <... chdir resumed>) = 0 [pid 7977] <... set_robust_list resumed>) = 0 [pid 7978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7977] rt_sigprocmask(SIG_SETMASK, [], [pid 7979] <... set_robust_list resumed>) = 0 [pid 7978] <... prctl resumed>) = 0 [pid 7977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7979] chdir("./158") = 0 [pid 7979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7979] setpgid(0, 0) = 0 [pid 7979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7978] setpgid(0, 0 [pid 7977] memfd_create("syzkaller", 0 [pid 7978] <... setpgid resumed>) = 0 [pid 7977] <... memfd_create resumed>) = 3 [pid 7977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7979] <... openat resumed>) = 3 [pid 7978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7977] <... mmap resumed>) = 0x7f8720789000 [pid 7979] write(3, "1000", 4 [pid 7978] <... openat resumed>) = 3 [pid 7979] <... write resumed>) = 4 [pid 7979] close(3) = 0 [pid 7971] close(3 [pid 7979] symlink("/dev/binderfs", "./binderfs" [pid 7978] write(3, "1000", 4 [pid 7971] <... close resumed>) = 0 [pid 7979] <... symlink resumed>) = 0 [pid 7971] mkdir("./file0", 0777 [pid 7978] <... write resumed>) = 4 [pid 7978] close(3 [pid 7973] <... write resumed>) = 4194304 [pid 7971] <... mkdir resumed>) = 0 [pid 7979] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7979] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7978] <... close resumed>) = 0 [pid 7979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7978] symlink("/dev/binderfs", "./binderfs" [pid 7979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7971] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7978] <... symlink resumed>) = 0 [ 270.735178][ T7971] loop1: detected capacity change from 0 to 8192 [pid 7979] <... mmap resumed>) = 0x7f8728b89000 [pid 7973] munmap(0x7f8720789000, 138412032 [pid 7979] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7973] <... munmap resumed>) = 0 [pid 7979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[7981]}, 88) = 7981 [pid 7979] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7973] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7979] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7973] <... openat resumed>) = 4 [pid 7979] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7973] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 7981 attached [pid 7978] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 7978] <... futex resumed>) = 0 [pid 7973] <... ioctl resumed>) = 0 [pid 7981] set_robust_list(0x7f8728ba99a0, 24 [pid 7978] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7977] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7976] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7973] close(3 [pid 7981] <... set_robust_list resumed>) = 0 [pid 7978] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7973] <... close resumed>) = 0 [pid 7973] mkdir("./file0", 0777 [pid 7981] rt_sigprocmask(SIG_SETMASK, [], [pid 7978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7978] <... mmap resumed>) = 0x7f8728b89000 [pid 7978] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7981] memfd_create("syzkaller", 0 [pid 7973] <... mkdir resumed>) = 0 [pid 7978] <... mprotect resumed>) = 0 [pid 7981] <... memfd_create resumed>) = 3 [ 270.781061][ T7971] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.794149][ T7973] loop3: detected capacity change from 0 to 8192 [ 270.803160][ T7971] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 270.812967][ T7971] REISERFS (device loop1): using ordered data mode [ 270.819906][ T7971] reiserfs: using flush barriers [pid 7981] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7973] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7981] <... mmap resumed>) = 0x7f8720789000 [pid 7978] <... rt_sigprocmask resumed>[], 8) = 0 [ 270.841823][ T7971] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7977] <... write resumed>) = 4194304 [pid 7978] <... clone3 resumed> => {parent_tid=[7983]}, 88) = 7983 ./strace-static-x86_64: Process 7983 attached [pid 7983] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7978] rt_sigprocmask(SIG_SETMASK, [], [pid 7977] munmap(0x7f8720789000, 138412032 [pid 7978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7983] <... rseq resumed>) = 0 [pid 7983] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7983] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7978] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7983] <... futex resumed>) = 0 [pid 7978] <... futex resumed>) = 1 [pid 7983] memfd_create("syzkaller", 0 [pid 7981] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7978] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7977] <... munmap resumed>) = 0 [pid 7983] <... memfd_create resumed>) = 3 [pid 7977] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7977] <... openat resumed>) = 4 [pid 7983] <... mmap resumed>) = 0x7f8720789000 [pid 7977] ioctl(4, LOOP_SET_FD, 3 [pid 7971] <... mount resumed>) = 0 [ 270.884415][ T7973] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.901839][ T7971] REISERFS (device loop1): checking transaction log (loop1) [ 270.910864][ T7971] REISERFS (device loop1): Using tea hash to sort names [ 270.916308][ T7977] loop5: detected capacity change from 0 to 8192 [ 270.919047][ T7971] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7971] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7977] <... ioctl resumed>) = 0 [pid 7977] close(3) = 0 [pid 7977] mkdir("./file0", 0777) = 0 [pid 7977] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7971] <... openat resumed>) = 3 [pid 7971] chdir("./file0") = 0 [ 270.933789][ T7973] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 270.943277][ T7973] REISERFS (device loop3): using ordered data mode [ 270.950165][ T7973] reiserfs: using flush barriers [ 270.957406][ T7973] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7971] ioctl(4, LOOP_CLR_FD) = 0 [pid 7971] close(4) = 0 [pid 7976] <... write resumed>) = 4194304 [pid 7971] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7970] <... futex resumed>) = 0 [pid 7971] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7970] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7970] <... futex resumed>) = 0 [pid 7971] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7970] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7971] <... open resumed>) = 4 [pid 7976] munmap(0x7f8720789000, 138412032 [pid 7971] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] <... munmap resumed>) = 0 [pid 7971] <... futex resumed>) = 1 [pid 7970] <... futex resumed>) = 0 [pid 7976] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 270.974597][ T7977] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 270.984252][ T7973] REISERFS (device loop3): checking transaction log (loop3) [ 270.995982][ T7973] REISERFS (device loop3): Using tea hash to sort names [ 271.013868][ T7977] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 271.023088][ T7977] REISERFS (device loop5): using ordered data mode [ 271.029840][ T7977] reiserfs: using flush barriers [pid 7971] ftruncate(4, 33587195 [pid 7970] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7983] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7976] <... openat resumed>) = 4 [pid 7970] <... futex resumed>) = 0 [pid 7976] ioctl(4, LOOP_SET_FD, 3 [pid 7973] <... mount resumed>) = 0 [pid 7971] <... ftruncate resumed>) = 0 [pid 7970] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7971] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7970] <... futex resumed>) = 0 [pid 7971] creat("./bus", 040 [pid 7970] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] <... write resumed>) = 4194304 [pid 7973] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7970] <... futex resumed>) = 0 [pid 7973] chdir("./file0" [pid 7976] <... ioctl resumed>) = 0 [pid 7973] <... chdir resumed>) = 0 [pid 7971] <... creat resumed>) = 5 [pid 7970] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7981] munmap(0x7f8720789000, 138412032 [pid 7976] close(3 [pid 7973] ioctl(4, LOOP_CLR_FD [pid 7976] <... close resumed>) = 0 [pid 7973] <... ioctl resumed>) = 0 [pid 7976] mkdir("./file0", 0777 [pid 7973] close(4 [pid 7981] <... munmap resumed>) = 0 [pid 7976] <... mkdir resumed>) = 0 [pid 7973] <... close resumed>) = 0 [pid 7981] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7976] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 271.038054][ T7973] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 271.055266][ T7976] loop0: detected capacity change from 0 to 8192 [ 271.064960][ T7977] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7973] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] <... openat resumed>) = 4 [pid 7973] <... futex resumed>) = 1 [pid 7972] <... futex resumed>) = 0 [pid 7983] <... write resumed>) = 4194304 [pid 7981] ioctl(4, LOOP_SET_FD, 3 [pid 7973] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7972] <... futex resumed>) = 0 [pid 7973] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7972] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7971] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7970] <... futex resumed>) = 0 [pid 7973] <... open resumed>) = 4 [pid 7971] mkdirat(AT_FDCWD, "./file0", 000 [pid 7970] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7971] <... mkdirat resumed>) = 0 [pid 7970] <... futex resumed>) = 0 [pid 7983] munmap(0x7f8720789000, 138412032 [pid 7981] <... ioctl resumed>) = 0 [pid 7973] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7971] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7970] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7971] <... futex resumed>) = 0 [pid 7970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7983] <... munmap resumed>) = 0 [pid 7973] <... futex resumed>) = 1 [pid 7972] <... futex resumed>) = 0 [pid 7971] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7970] exit_group(0 [pid 7973] ftruncate(4, 33587195 [pid 7972] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7971] <... futex resumed>) = ? [pid 7970] <... exit_group resumed>) = ? [pid 7983] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 7973] <... ftruncate resumed>) = 0 [pid 7972] <... futex resumed>) = 0 [pid 7971] +++ exited with 0 +++ [pid 7970] +++ exited with 0 +++ [pid 7973] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7972] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7970, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 7973] <... futex resumed>) = 0 [pid 7972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7973] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7972] <... futex resumed>) = 0 [ 271.097729][ T7976] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.112042][ T7981] loop2: detected capacity change from 0 to 8192 [ 271.124484][ T7976] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 271.133838][ T7976] REISERFS (device loop0): using ordered data mode [ 271.140613][ T7976] reiserfs: using flush barriers [pid 7983] <... openat resumed>) = 4 [pid 7981] close(3 [pid 7973] creat("./bus", 040 [pid 7972] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7983] ioctl(4, LOOP_SET_FD, 3 [pid 7981] <... close resumed>) = 0 [pid 7973] <... creat resumed>) = 5 [pid 7983] <... ioctl resumed>) = 0 [pid 7981] mkdir("./file0", 0777 [pid 7973] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7983] close(3) = 0 [ 271.147598][ T7977] REISERFS (device loop5): checking transaction log (loop5) [ 271.148031][ T7976] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.164440][ T7983] loop4: detected capacity change from 0 to 8192 [ 271.178788][ T7976] REISERFS (device loop0): checking transaction log (loop0) [ 271.184513][ T7977] REISERFS (device loop5): Using tea hash to sort names [pid 7983] mkdir("./file0", 0777) = 0 [pid 7983] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7981] <... mkdir resumed>) = 0 [pid 7973] <... futex resumed>) = 1 [pid 7972] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7981] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7972] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] <... openat resumed>) = 3 [pid 7972] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] newfstatat(3, "", [pid 7973] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 7973] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7973] <... futex resumed>) = 1 [pid 7972] <... futex resumed>) = 0 [pid 7973] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7972] exit_group(0 [pid 5052] getdents64(3, [pid 7972] <... exit_group resumed>) = ? [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7973] <... futex resumed>) = ? [pid 7973] +++ exited with 0 +++ [pid 5052] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7977] <... mount resumed>) = 0 [pid 7972] +++ exited with 0 +++ [pid 7977] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7977] chdir("./file0") = 0 [pid 7977] ioctl(4, LOOP_CLR_FD) = 0 [pid 7977] close(4) = 0 [pid 7977] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 271.196141][ T7977] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 271.211235][ T7976] REISERFS (device loop0): Using tea hash to sort names [ 271.211435][ T7981] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.218957][ T7976] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 7977] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7975] <... futex resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7972, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7976] <... mount resumed>) = 0 [pid 7976] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7976] chdir("./file0") = 0 [pid 5052] newfstatat(AT_FDCWD, "./159/binderfs", [pid 7976] ioctl(4, LOOP_CLR_FD [pid 5054] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7976] <... ioctl resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7976] close(4 [pid 7975] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7976] <... close resumed>) = 0 [pid 7976] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7974] <... futex resumed>) = 0 [pid 7974] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7977] <... futex resumed>) = 0 [pid 7976] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7975] <... futex resumed>) = 1 [pid 7974] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] unlink("./159/binderfs" [pid 7977] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7976] <... open resumed>) = 4 [pid 7975] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7974] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... openat resumed>) = 3 [pid 5052] <... unlink resumed>) = 0 [pid 7976] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7977] <... open resumed>) = 4 [pid 7976] <... futex resumed>) = 0 [pid 7974] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(3, "", [pid 5052] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7976] ftruncate(4, 33587195 [pid 7974] <... futex resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7974] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7976] <... ftruncate resumed>) = 0 [pid 5054] getdents64(3, [pid 7976] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7977] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] <... futex resumed>) = 1 [pid 7974] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7976] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7974] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7974] <... futex resumed>) = 0 [pid 7976] creat("./bus", 040 [pid 7974] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7977] <... futex resumed>) = 1 [pid 7976] <... creat resumed>) = 5 [pid 7975] <... futex resumed>) = 0 [pid 5054] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7976] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7975] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7977] ftruncate(4, 33587195 [pid 7976] <... futex resumed>) = 1 [pid 7975] <... futex resumed>) = 0 [pid 7974] <... futex resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./155/binderfs", [pid 7976] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7974] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7975] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7974] <... futex resumed>) = 0 [pid 7976] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] unlink("./155/binderfs" [pid 7976] mkdirat(AT_FDCWD, "./file0", 000 [pid 7974] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7977] <... ftruncate resumed>) = 0 [pid 7976] <... mkdirat resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 7977] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7976] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7976] <... futex resumed>) = 1 [pid 7974] <... futex resumed>) = 0 [pid 7977] <... futex resumed>) = 1 [pid 7976] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7975] <... futex resumed>) = 0 [pid 7974] exit_group(0 [pid 7976] <... futex resumed>) = ? [pid 7974] <... exit_group resumed>) = ? [pid 7976] +++ exited with 0 +++ [pid 7975] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7977] creat("./bus", 040 [pid 7975] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7974] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7974, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 5051] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 271.233943][ T7983] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.255032][ T7981] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 271.266678][ T7983] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 7977] <... creat resumed>) = 5 [pid 7977] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 7975] <... futex resumed>) = 0 [pid 7977] <... futex resumed>) = 1 [pid 7975] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7975] <... futex resumed>) = 0 [pid 7975] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7977] mkdirat(AT_FDCWD, "./file0", 000 [pid 5051] unlink("./162/binderfs" [pid 7977] <... mkdirat resumed>) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7977] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7975] <... futex resumed>) = 0 [pid 7977] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7975] exit_group(0) = ? [pid 7977] <... futex resumed>) = ? [pid 7977] +++ exited with 0 +++ [pid 7975] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7975, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [ 271.334967][ T7983] REISERFS (device loop4): using ordered data mode [ 271.343317][ T7983] reiserfs: using flush barriers [ 271.350181][ T7981] REISERFS (device loop2): using ordered data mode [ 271.358298][ T7983] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.394451][ T7981] reiserfs: using flush barriers [pid 5056] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... umount2 resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, [pid 5054] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 271.422262][ T7981] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 271.438511][ T7983] REISERFS (device loop4): checking transaction log (loop4) [ 271.439490][ T7983] REISERFS (device loop4): Using tea hash to sort names [ 271.454469][ T7981] REISERFS (device loop2): checking transaction log (loop2) [ 271.463267][ T7981] REISERFS (device loop2): Using tea hash to sort names [pid 5052] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(AT_FDCWD, "./155/file0", [pid 5052] newfstatat(AT_FDCWD, "./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./158/binderfs", [pid 7981] <... mount resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] unlink("./158/binderfs") = 0 [pid 7981] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5056] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7981] chdir("./file0" [pid 5052] <... openat resumed>) = 4 [pid 7981] <... chdir resumed>) = 0 [pid 7981] ioctl(4, LOOP_CLR_FD) = 0 [pid 7981] close(4) = 0 [pid 5052] newfstatat(4, "", [pid 5054] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5052] getdents64(4, [pid 7981] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7981] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] <... futex resumed>) = 0 [pid 5054] newfstatat(4, "", [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7979] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7979] <... futex resumed>) = 1 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7981] <... futex resumed>) = 0 [pid 7981] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 7979] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] getdents64(4, [pid 5052] close(4 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... close resumed>) = 0 [pid 5054] getdents64(4, [pid 5052] rmdir("./159/file0" [pid 7981] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7981] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 7979] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] close(4 [pid 5052] getdents64(3, [pid 7979] <... futex resumed>) = 1 [pid 5054] <... close resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7979] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] rmdir("./155/file0" [pid 5052] close(3 [pid 7981] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 7981] ftruncate(4, 33587195 [pid 5054] <... rmdir resumed>) = 0 [pid 5052] rmdir("./159" [pid 7981] <... ftruncate resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5052] mkdir("./160", 0777 [pid 7981] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... mkdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 7981] <... futex resumed>) = 1 [pid 7979] <... futex resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7981] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] <... futex resumed>) = 0 [pid 7979] <... futex resumed>) = 1 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 7988 ./strace-static-x86_64: Process 7988 attached [pid 7981] creat("./bus", 040 [pid 7988] set_robust_list(0x55555656d6a0, 24 [pid 7979] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 7988] <... set_robust_list resumed>) = 0 [pid 5054] rmdir("./155") = 0 [pid 7988] chdir("./160" [pid 7981] <... creat resumed>) = 5 [pid 5054] mkdir("./156", 0777 [pid 7988] <... chdir resumed>) = 0 [pid 7981] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... mkdir resumed>) = 0 [pid 7988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7981] <... futex resumed>) = 1 [pid 7979] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7988] <... prctl resumed>) = 0 [pid 7981] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7979] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 271.471880][ T7981] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 271.504885][ T7983] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] <... openat resumed>) = 3 [pid 7988] setpgid(0, 0 [pid 7981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7979] <... futex resumed>) = 0 [pid 7988] <... setpgid resumed>) = 0 [pid 7981] mkdirat(AT_FDCWD, "./file0", 000 [pid 7979] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] ioctl(3, LOOP_CLR_FD [pid 7988] <... openat resumed>) = 3 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 7988] write(3, "1000", 4) = 4 [pid 7981] <... mkdirat resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5054] close(3 [pid 7988] close(3 [pid 7981] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7988] <... close resumed>) = 0 [pid 7981] <... futex resumed>) = 1 [pid 5056] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7988] symlink("/dev/binderfs", "./binderfs" [pid 7983] <... mount resumed>) = 0 [pid 7981] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7988] <... symlink resumed>) = 0 [pid 7983] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7979] <... futex resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7988] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7983] <... openat resumed>) = 3 [pid 7988] <... futex resumed>) = 0 [pid 7983] chdir("./file0" [pid 5056] newfstatat(AT_FDCWD, "./158/file0", [pid 7988] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7983] <... chdir resumed>) = 0 [pid 7988] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7988] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7983] ioctl(4, LOOP_CLR_FD [pid 5056] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7983] <... ioctl resumed>) = 0 [pid 7988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7983] close(4 [pid 7979] exit_group(0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7989 attached [pid 7988] <... mmap resumed>) = 0x7f8728b89000 [pid 7983] <... close resumed>) = 0 [pid 7981] <... futex resumed>) = ? [pid 7979] <... exit_group resumed>) = ? [pid 5056] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7989] set_robust_list(0x55555656d6a0, 24 [pid 7988] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7983] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7981] +++ exited with 0 +++ [pid 7979] +++ exited with 0 +++ [pid 5056] <... openat resumed>) = 4 [pid 7989] <... set_robust_list resumed>) = 0 [pid 7988] <... mprotect resumed>) = 0 [pid 7983] <... futex resumed>) = 1 [pid 7978] <... futex resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 7989 [pid 7989] chdir("./156" [pid 7988] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7983] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7978] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7979, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 7978] <... futex resumed>) = 0 [pid 5056] getdents64(4, [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 7989] <... chdir resumed>) = 0 [pid 7988] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7983] <... open resumed>) = 4 [pid 7978] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... restart_syscall resumed>) = 0 [pid 7989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7988] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7983] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] getdents64(4, ./strace-static-x86_64: Process 7990 attached [pid 7989] <... prctl resumed>) = 0 [pid 7983] <... futex resumed>) = 0 [pid 7978] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 7990] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7989] setpgid(0, 0 [pid 7988] <... clone3 resumed> => {parent_tid=[7990]}, 88) = 7990 [pid 7983] ftruncate(4, 33587195 [pid 7978] <... futex resumed>) = 0 [pid 5056] close(4 [pid 5053] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7990] <... rseq resumed>) = 0 [pid 7989] <... setpgid resumed>) = 0 [pid 7988] rt_sigprocmask(SIG_SETMASK, [], [pid 7983] <... ftruncate resumed>) = 0 [pid 7978] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7990] set_robust_list(0x7f8728ba99a0, 24 [pid 7989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7983] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] rmdir("./158/file0" [pid 5053] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7989] <... openat resumed>) = 3 [pid 7988] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7990] <... set_robust_list resumed>) = 0 [pid 7989] write(3, "1000", 4 [pid 7988] <... futex resumed>) = 0 [pid 7983] <... futex resumed>) = 0 [pid 7978] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 5053] newfstatat(3, "", [pid 5051] newfstatat(AT_FDCWD, "./162/file0", [pid 7990] rt_sigprocmask(SIG_SETMASK, [], [pid 7989] <... write resumed>) = 4 [pid 7988] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7983] creat("./bus", 040 [pid 7978] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7989] close(3 [pid 7983] <... creat resumed>) = 5 [pid 5056] close(3 [pid 5053] getdents64(3, [pid 7990] memfd_create("syzkaller", 0 [pid 7989] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7983] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7989] symlink("/dev/binderfs", "./binderfs" [pid 5056] rmdir("./158" [pid 7990] <... memfd_create resumed>) = 3 [pid 5053] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7983] <... futex resumed>) = 1 [pid 7978] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... rmdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7990] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] mkdir("./159", 0777 [pid 7978] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./158/binderfs", [pid 7989] <... symlink resumed>) = 0 [pid 7989] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7978] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... openat resumed>) = 4 [pid 7989] <... futex resumed>) = 0 [pid 7978] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] unlink("./158/binderfs" [pid 5051] newfstatat(4, "", [pid 7990] <... mmap resumed>) = 0x7f8720789000 [pid 7989] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... mkdir resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 7989] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(4, [pid 7989] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7983] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] getdents64(4, [pid 7989] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7989] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... openat resumed>) = 3 [pid 7989] <... mprotect resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5051] close(4 [pid 7989] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7983] <... mkdirat resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... close resumed>) = 0 [pid 7989] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7983] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(3 [pid 5051] rmdir("./162/file0" [pid 7989] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7983] <... futex resumed>) = 1 [pid 7978] <... futex resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 7983] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7978] exit_group(0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... rmdir resumed>) = 0 [pid 7989] <... clone3 resumed> => {parent_tid=[7991]}, 88) = 7991 ./strace-static-x86_64: Process 7991 attached [pid 7983] <... futex resumed>) = ? [pid 7978] <... exit_group resumed>) = ? [pid 7991] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7983] +++ exited with 0 +++ [pid 7978] +++ exited with 0 +++ [pid 7991] <... rseq resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7978, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 7991] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 7991] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 7991] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7989] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", [pid 7989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, [pid 7989] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7991] <... futex resumed>) = 0 [pid 7989] <... futex resumed>) = 1 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7992 attached [pid 7991] memfd_create("syzkaller", 0 [pid 7989] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] newfstatat(AT_FDCWD, "./156/binderfs", [pid 5051] getdents64(3, [pid 7991] <... memfd_create resumed>) = 3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7992] set_robust_list(0x55555656d6a0, 24 [pid 7991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] unlink("./156/binderfs" [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7992] <... set_robust_list resumed>) = 0 [pid 7991] <... mmap resumed>) = 0x7f8720789000 [pid 5055] <... unlink resumed>) = 0 [pid 7992] chdir("./159" [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 7992 [pid 5051] close(3 [pid 7992] <... chdir resumed>) = 0 [pid 7992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... close resumed>) = 0 [pid 7992] <... prctl resumed>) = 0 [pid 7990] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] rmdir("./162" [pid 7992] setpgid(0, 0) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 7992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5051] mkdir("./163", 0777 [pid 7992] write(3, "1000", 4) = 4 [pid 5051] <... mkdir resumed>) = 0 [pid 7992] close(3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 7992] <... close resumed>) = 0 [pid 7992] symlink("/dev/binderfs", "./binderfs" [pid 5051] <... openat resumed>) = 3 [pid 7992] <... symlink resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 7992] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] close(3) = 0 [pid 7992] <... futex resumed>) = 0 [pid 7992] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7992] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 7993 ./strace-static-x86_64: Process 7993 attached [pid 7992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7993] set_robust_list(0x55555656d6a0, 24 [pid 7992] <... mmap resumed>) = 0x7f8728b89000 [pid 7993] <... set_robust_list resumed>) = 0 [pid 7992] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7993] chdir("./163" [pid 7992] <... mprotect resumed>) = 0 [pid 7992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 7993] <... chdir resumed>) = 0 [pid 7992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7992] <... clone3 resumed> => {parent_tid=[7994]}, 88) = 7994 [pid 7992] rt_sigprocmask(SIG_SETMASK, [], [pid 7993] setpgid(0, 0./strace-static-x86_64: Process 7994 attached ) = 0 [pid 7992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7992] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7994] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7992] <... futex resumed>) = 0 [pid 7994] <... rseq resumed>) = 0 [pid 7993] <... openat resumed>) = 3 [pid 7992] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7994] set_robust_list(0x7f8728ba99a0, 24 [pid 7993] write(3, "1000", 4 [pid 7990] <... write resumed>) = 4194304 [pid 7994] <... set_robust_list resumed>) = 0 [pid 7993] <... write resumed>) = 4 [pid 7994] rt_sigprocmask(SIG_SETMASK, [], [pid 7993] close(3 [pid 7990] munmap(0x7f8720789000, 138412032 [pid 7994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7993] <... close resumed>) = 0 [pid 7991] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7993] symlink("/dev/binderfs", "./binderfs" [pid 7994] memfd_create("syzkaller", 0 [pid 7993] <... symlink resumed>) = 0 [pid 7993] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7994] <... memfd_create resumed>) = 3 [pid 7993] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7990] <... munmap resumed>) = 0 [pid 7993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7990] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 7990] ioctl(4, LOOP_SET_FD, 3 [pid 7994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7993] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... umount2 resumed>) = 0 [pid 7993] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... umount2 resumed>) = 0 [pid 7994] <... mmap resumed>) = 0x7f8720789000 [pid 5055] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7993] <... mprotect resumed>) = 0 [pid 5055] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 7993] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7993] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] getdents64(4, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] newfstatat(AT_FDCWD, "./158/file0", [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] rmdir("./156/file0" [pid 5053] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7995 attached [pid 7993] <... clone3 resumed> => {parent_tid=[7995]}, 88) = 7995 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 7995] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5053] newfstatat(4, "", [pid 7993] rt_sigprocmask(SIG_SETMASK, [], [pid 7995] <... rseq resumed>) = 0 [pid 7993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7995] set_robust_list(0x7f8728ba99a0, 24 [pid 7993] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 7995] <... set_robust_list resumed>) = 0 [pid 7993] <... futex resumed>) = 0 [pid 5053] getdents64(4, [pid 7995] rt_sigprocmask(SIG_SETMASK, [], [pid 7993] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 7995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] getdents64(4, [pid 7995] memfd_create("syzkaller", 0 [pid 7994] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7990] <... ioctl resumed>) = 0 [pid 5055] getdents64(3, [pid 7990] close(3) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7990] mkdir("./file0", 0777 [pid 5055] close(3 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 7995] <... memfd_create resumed>) = 3 [pid 7990] <... mkdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] close(4 [pid 7995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 7990] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] rmdir("./156" [pid 7995] <... mmap resumed>) = 0x7f8720789000 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5055] mkdir("./157", 0777) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5053] rmdir("./158/file0" [ 271.827223][ T7990] loop1: detected capacity change from 0 to 8192 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7996 attached [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 7996 [pid 7996] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./158" [pid 7996] chdir("./157") = 0 [pid 7995] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] <... rmdir resumed>) = 0 [pid 5053] mkdir("./159", 0777 [pid 7996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7996] setpgid(0, 0 [pid 7991] <... write resumed>) = 4194304 [pid 5053] <... mkdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 7996] <... setpgid resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 7996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] ioctl(3, LOOP_CLR_FD [pid 7996] <... openat resumed>) = 3 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3 [pid 7996] write(3, "1000", 4) = 4 [pid 7996] close(3) = 0 [pid 7996] symlink("/dev/binderfs", "./binderfs" [pid 7991] munmap(0x7f8720789000, 138412032) = 0 [pid 7996] <... symlink resumed>) = 0 [ 271.914962][ T7990] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 271.946402][ T7990] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 271.957881][ T7991] loop3: detected capacity change from 0 to 8192 [pid 7991] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] <... close resumed>) = 0 [pid 7996] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] <... openat resumed>) = 4 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7996] <... futex resumed>) = 0 [pid 7991] ioctl(4, LOOP_SET_FD, 3 [pid 7996] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 7998 ./strace-static-x86_64: Process 7998 attached [pid 7996] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7998] set_robust_list(0x55555656d6a0, 24 [pid 7996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7998] <... set_robust_list resumed>) = 0 [pid 7996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7998] chdir("./159" [pid 7996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 7996] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7998] <... chdir resumed>) = 0 [pid 7996] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7996] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7998] setpgid(0, 0 [pid 7996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7998] <... setpgid resumed>) = 0 [pid 7996] <... clone3 resumed> => {parent_tid=[7999]}, 88) = 7999 ./strace-static-x86_64: Process 7999 attached [pid 7998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7996] rt_sigprocmask(SIG_SETMASK, [], [pid 7991] <... ioctl resumed>) = 0 [pid 7999] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7991] close(3 [pid 7999] <... rseq resumed>) = 0 [pid 7996] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] <... close resumed>) = 0 [pid 7999] set_robust_list(0x7f8728ba99a0, 24 [pid 7996] <... futex resumed>) = 0 [pid 7991] mkdir("./file0", 0777 [pid 7999] <... set_robust_list resumed>) = 0 [pid 7998] <... openat resumed>) = 3 [pid 7996] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7991] <... mkdir resumed>) = 0 [pid 7999] rt_sigprocmask(SIG_SETMASK, [], [pid 7998] write(3, "1000", 4 [pid 7999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7991] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7999] memfd_create("syzkaller", 0 [pid 7998] <... write resumed>) = 4 [pid 7999] <... memfd_create resumed>) = 3 [pid 7999] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 271.968495][ T7990] REISERFS (device loop1): using ordered data mode [ 271.984559][ T7990] reiserfs: using flush barriers [ 271.990563][ T7991] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7998] close(3 [pid 7999] <... mmap resumed>) = 0x7f8720789000 [pid 7998] <... close resumed>) = 0 [pid 7998] symlink("/dev/binderfs", "./binderfs") = 0 [pid 7998] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7998] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 7998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 7994] <... write resumed>) = 4194304 [pid 7998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7994] munmap(0x7f8720789000, 138412032 [pid 7998] <... mmap resumed>) = 0x7f8728b89000 [pid 7998] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7998] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7994] <... munmap resumed>) = 0 [ 272.004937][ T7990] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.023984][ T7991] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 272.033270][ T7991] REISERFS (device loop3): using ordered data mode [ 272.042523][ T7991] reiserfs: using flush barriers [ 272.050524][ T7991] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 7998] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7994] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 7998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 7994] <... openat resumed>) = 4 [pid 7998] <... clone3 resumed> => {parent_tid=[8001]}, 88) = 8001 ./strace-static-x86_64: Process 8001 attached [pid 7998] rt_sigprocmask(SIG_SETMASK, [], [pid 8001] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 7998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7998] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7994] ioctl(4, LOOP_SET_FD, 3 [pid 7998] <... futex resumed>) = 0 [pid 7998] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8001] <... rseq resumed>) = 0 [pid 7994] <... ioctl resumed>) = 0 [pid 7994] close(3 [pid 8001] set_robust_list(0x7f8728ba99a0, 24 [pid 7994] <... close resumed>) = 0 [pid 7994] mkdir("./file0", 0777 [pid 8001] <... set_robust_list resumed>) = 0 [pid 7994] <... mkdir resumed>) = 0 [pid 7994] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8001] memfd_create("syzkaller", 0) = 3 [ 272.068986][ T7994] loop5: detected capacity change from 0 to 8192 [ 272.081329][ T7990] REISERFS (device loop1): checking transaction log (loop1) [ 272.084822][ T7991] REISERFS (device loop3): checking transaction log (loop3) [ 272.098762][ T7994] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7999] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7995] <... write resumed>) = 4194304 [pid 7995] munmap(0x7f8720789000, 138412032) = 0 [pid 7995] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 7995] ioctl(4, LOOP_SET_FD, 3 [pid 7991] <... mount resumed>) = 0 [ 272.113479][ T7991] REISERFS (device loop3): Using tea hash to sort names [ 272.118814][ T7994] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 272.121460][ T7990] REISERFS (device loop1): Using tea hash to sort names [ 272.130269][ T7994] REISERFS (device loop5): using ordered data mode [ 272.138611][ T7991] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 272.153875][ T7990] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 7991] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 7991] chdir("./file0") = 0 [pid 7991] ioctl(4, LOOP_CLR_FD) = 0 [pid 7991] close(4) = 0 [pid 7991] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7989] <... futex resumed>) = 0 [pid 7991] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7989] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7989] <... futex resumed>) = 0 [pid 7991] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7989] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... open resumed>) = 4 [pid 7991] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7989] <... futex resumed>) = 0 [pid 7991] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7989] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7989] <... futex resumed>) = 0 [pid 7991] ftruncate(4, 33587195 [pid 7989] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... ftruncate resumed>) = 0 [pid 7991] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7989] <... futex resumed>) = 0 [pid 7991] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7989] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7995] <... ioctl resumed>) = 0 [pid 7989] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7990] <... mount resumed>) = 0 [pid 7991] creat("./bus", 040 [pid 7990] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7995] close(3 [pid 7991] <... creat resumed>) = 5 [pid 7995] <... close resumed>) = 0 [pid 7990] <... openat resumed>) = 3 [pid 7995] mkdir("./file0", 0777 [pid 7990] chdir("./file0") = 0 [pid 7990] ioctl(4, LOOP_CLR_FD) = 0 [pid 7995] <... mkdir resumed>) = 0 [pid 7990] close(4) = 0 [pid 7990] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7988] <... futex resumed>) = 0 [pid 7988] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7991] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7990] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7988] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] <... futex resumed>) = 1 [pid 7990] <... open resumed>) = 4 [pid 7989] <... futex resumed>) = 0 [pid 7989] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7989] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7991] mkdirat(AT_FDCWD, "./file0", 000 [pid 7990] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7991] <... mkdirat resumed>) = 0 [pid 7991] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7990] <... futex resumed>) = 1 [pid 7988] <... futex resumed>) = 0 [pid 7991] <... futex resumed>) = 1 [pid 7989] <... futex resumed>) = 0 [ 272.168822][ T7995] loop0: detected capacity change from 0 to 8192 [ 272.194710][ T7994] reiserfs: using flush barriers [pid 7988] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7991] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7990] ftruncate(4, 33587195 [pid 7989] exit_group(0 [pid 7991] <... futex resumed>) = ? [pid 7989] <... exit_group resumed>) = ? [pid 7991] +++ exited with 0 +++ [pid 7989] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7989, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 8001] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7990] <... ftruncate resumed>) = 0 [pid 7988] <... futex resumed>) = 0 [pid 5054] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7990] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7988] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7990] <... futex resumed>) = 0 [pid 7988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7990] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7988] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... openat resumed>) = 3 [pid 7990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7988] <... futex resumed>) = 0 [pid 5054] newfstatat(3, "", [pid 7990] creat("./bus", 040 [pid 7988] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, [pid 7990] <... creat resumed>) = 5 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7990] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(AT_FDCWD, "./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 7990] <... futex resumed>) = 1 [pid 7988] <... futex resumed>) = 0 [pid 5054] unlink("./156/binderfs" [pid 7988] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... unlink resumed>) = 0 [pid 7988] <... futex resumed>) = 0 [ 272.216053][ T7995] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.235570][ T7994] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5054] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7990] mkdirat(AT_FDCWD, "./file0", 000 [pid 7988] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7990] <... mkdirat resumed>) = 0 [pid 7990] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7988] <... futex resumed>) = 0 [pid 7988] exit_group(0) = ? [pid 7990] +++ exited with 0 +++ [pid 7988] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7988, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5052] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5052] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7999] <... write resumed>) = 4194304 [pid 5052] newfstatat(3, "", [pid 5054] <... openat resumed>) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./156/file0") = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./156") = 0 [pid 5054] mkdir("./157", 0777) = 0 [pid 5052] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5052] newfstatat(AT_FDCWD, "./160/binderfs", [pid 7999] munmap(0x7f8720789000, 138412032 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./160/binderfs") = 0 [ 272.274423][ T7995] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 272.309446][ T7994] REISERFS (device loop5): checking transaction log (loop5) [pid 7999] <... munmap resumed>) = 0 [pid 5052] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7999] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 7999] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8004 ./strace-static-x86_64: Process 8004 attached [pid 8004] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8004] chdir("./157") = 0 [pid 8004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8004] setpgid(0, 0) = 0 [pid 8004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8004] write(3, "1000", 4) = 4 [pid 8004] close(3 [pid 7994] <... mount resumed>) = 0 [pid 8004] <... close resumed>) = 0 [pid 8004] symlink("/dev/binderfs", "./binderfs") = 0 [ 272.328709][ T7995] REISERFS (device loop0): using ordered data mode [ 272.337706][ T7994] REISERFS (device loop5): Using tea hash to sort names [ 272.345316][ T7999] loop4: detected capacity change from 0 to 8192 [ 272.346054][ T7995] reiserfs: using flush barriers [ 272.358418][ T7994] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 7994] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8004] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7999] close(3 [pid 7994] <... openat resumed>) = 3 [pid 7999] <... close resumed>) = 0 [pid 7999] mkdir("./file0", 0777 [pid 8004] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7994] chdir("./file0" [pid 8004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7994] <... chdir resumed>) = 0 [pid 8004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7994] ioctl(4, LOOP_CLR_FD [pid 8004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7994] <... ioctl resumed>) = 0 [pid 8004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7994] close(4 [pid 8004] <... mmap resumed>) = 0x7f8728b89000 [pid 7999] <... mkdir resumed>) = 0 [pid 7994] <... close resumed>) = 0 [pid 8004] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8001] <... write resumed>) = 4194304 [pid 7994] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7999] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8004] <... mprotect resumed>) = 0 [pid 8001] munmap(0x7f8720789000, 138412032 [pid 7994] <... futex resumed>) = 1 [pid 7992] <... futex resumed>) = 0 [pid 8004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 7994] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7992] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 7994] <... open resumed>) = 4 [pid 7992] <... futex resumed>) = 0 [pid 8004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8001] <... munmap resumed>) = 0 [pid 7994] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7994] <... futex resumed>) = 0 [pid 7992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 8006 attached [pid 8001] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8006] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8004] <... clone3 resumed> => {parent_tid=[8006]}, 88) = 8006 [pid 8001] <... openat resumed>) = 4 [pid 7994] ftruncate(4, 33587195 [pid 7992] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7992] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8004] rt_sigprocmask(SIG_SETMASK, [], [pid 7994] <... ftruncate resumed>) = 0 [pid 8004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7994] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7992] <... futex resumed>) = 0 [pid 7992] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8004] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7994] creat("./bus", 040 [pid 7992] <... futex resumed>) = 0 [pid 8004] <... futex resumed>) = 0 [ 272.402698][ T7995] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.439576][ T7999] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 7992] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8006] <... rseq resumed>) = 0 [pid 8004] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8001] ioctl(4, LOOP_SET_FD, 3 [pid 7994] <... creat resumed>) = 5 [pid 7994] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7992] <... futex resumed>) = 0 [pid 7994] mkdirat(AT_FDCWD, "./file0", 000 [pid 7992] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7994] <... mkdirat resumed>) = 0 [pid 7992] <... futex resumed>) = 0 [pid 7994] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7992] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7994] <... futex resumed>) = 0 [pid 7992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7994] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7992] exit_group(0 [pid 7994] <... futex resumed>) = ? [pid 7992] <... exit_group resumed>) = ? [pid 8006] set_robust_list(0x7f8728ba99a0, 24 [pid 8001] <... ioctl resumed>) = 0 [pid 7994] +++ exited with 0 +++ [pid 7992] +++ exited with 0 +++ [pid 8006] <... set_robust_list resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7992, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 8006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8006] memfd_create("syzkaller", 0 [pid 5056] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", [pid 8006] <... memfd_create resumed>) = 3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 272.474942][ T8001] loop2: detected capacity change from 0 to 8192 [ 272.484327][ T7995] REISERFS (device loop0): checking transaction log (loop0) [ 272.487401][ T7999] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 272.509582][ T7995] REISERFS (device loop0): Using tea hash to sort names [pid 8001] close(3 [pid 8006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8001] <... close resumed>) = 0 [pid 5056] getdents64(3, [pid 8006] <... mmap resumed>) = 0x7f8720789000 [pid 8001] mkdir("./file0", 0777 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... umount2 resumed>) = 0 [pid 5056] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8001] <... mkdir resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./159/binderfs", [pid 5052] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] unlink("./159/binderfs" [pid 5052] newfstatat(AT_FDCWD, "./160/file0", [pid 5056] <... unlink resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8001] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 272.534675][ T7995] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 272.539523][ T7999] REISERFS (device loop4): using ordered data mode [ 272.566186][ T8001] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5052] getdents64(4, [pid 8006] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 7995] <... mount resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4 [pid 7995] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5052] <... close resumed>) = 0 [pid 7995] <... openat resumed>) = 3 [pid 5052] rmdir("./160/file0" [pid 7995] chdir("./file0" [pid 5052] <... rmdir resumed>) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 7995] <... chdir resumed>) = 0 [pid 7995] ioctl(4, LOOP_CLR_FD [pid 5052] close(3 [pid 7995] <... ioctl resumed>) = 0 [pid 7995] close(4) = 0 [pid 5052] <... close resumed>) = 0 [pid 7995] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] rmdir("./160" [pid 7995] <... futex resumed>) = 1 [pid 7995] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] <... rmdir resumed>) = 0 [pid 7993] <... futex resumed>) = 0 [pid 5052] mkdir("./161", 0777 [pid 7993] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = 0 [pid 7993] <... futex resumed>) = 1 [pid 5052] <... mkdir resumed>) = 0 [pid 7995] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7993] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7995] <... open resumed>) = 4 [pid 7995] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7993] <... futex resumed>) = 0 [pid 7995] ftruncate(4, 33587195 [pid 7993] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7995] <... ftruncate resumed>) = 0 [pid 7993] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 272.581062][ T7999] reiserfs: using flush barriers [ 272.600752][ T7999] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5052] close(3) = 0 [pid 7995] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7995] <... futex resumed>) = 1 [pid 7995] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8008 attached [pid 7993] <... futex resumed>) = 0 [pid 7993] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] set_robust_list(0x55555656d6a0, 24 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8008 [pid 7993] <... futex resumed>) = 1 [pid 8008] <... set_robust_list resumed>) = 0 [pid 7995] <... futex resumed>) = 0 [pid 7993] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8008] chdir("./161" [pid 7995] creat("./bus", 040 [pid 8008] <... chdir resumed>) = 0 [pid 7995] <... creat resumed>) = 5 [pid 8008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8008] setpgid(0, 0) = 0 [pid 8008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 272.635142][ T8001] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8008] write(3, "1000", 4 [pid 8006] <... write resumed>) = 4194304 [pid 5056] <... umount2 resumed>) = 0 [pid 7995] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7995] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7993] <... futex resumed>) = 0 [pid 8008] <... write resumed>) = 4 [pid 8006] munmap(0x7f8720789000, 138412032 [pid 7993] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8008] close(3 [pid 8006] <... munmap resumed>) = 0 [pid 7993] <... futex resumed>) = 1 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8008] <... close resumed>) = 0 [pid 8006] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 7993] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] newfstatat(AT_FDCWD, "./159/file0", [pid 8008] symlink("/dev/binderfs", "./binderfs" [pid 8006] <... openat resumed>) = 4 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8008] <... symlink resumed>) = 0 [ 272.682269][ T8001] REISERFS (device loop2): using ordered data mode [ 272.682739][ T7999] REISERFS (device loop4): checking transaction log (loop4) [ 272.699106][ T8001] reiserfs: using flush barriers [ 272.715102][ T8001] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8006] ioctl(4, LOOP_SET_FD, 3 [pid 5056] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8008] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7995] <... futex resumed>) = 0 [pid 8008] <... futex resumed>) = 0 [pid 7995] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8008] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 7995] <... mkdirat resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 8008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] newfstatat(4, "", [pid 8008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] getdents64(4, [pid 8008] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8008] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] getdents64(4, [pid 8008] <... mprotect resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] close(4 [pid 8008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... close resumed>) = 0 [pid 8008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] rmdir("./159/file0"./strace-static-x86_64: Process 8009 attached ) = 0 [pid 8009] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8008] <... clone3 resumed> => {parent_tid=[8009]}, 88) = 8009 [pid 8006] <... ioctl resumed>) = 0 [pid 5056] getdents64(3, [pid 8009] <... rseq resumed>) = 0 [pid 8008] rt_sigprocmask(SIG_SETMASK, [], [pid 8006] close(3 [pid 7995] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8009] set_robust_list(0x7f8728ba99a0, 24 [pid 8008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] close(3 [pid 8009] <... set_robust_list resumed>) = 0 [pid 8008] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8006] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 8009] rt_sigprocmask(SIG_SETMASK, [], [pid 8008] <... futex resumed>) = 0 [pid 8006] mkdir("./file0", 0777 [pid 5056] rmdir("./159" [pid 8009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8008] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8006] <... mkdir resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 8009] memfd_create("syzkaller", 0 [pid 5056] mkdir("./160", 0777 [pid 8009] <... memfd_create resumed>) = 3 [pid 5056] <... mkdir resumed>) = 0 [pid 8009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8009] <... mmap resumed>) = 0x7f8720789000 [pid 7995] <... futex resumed>) = 1 [pid 7993] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 8006] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 7995] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7993] exit_group(0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 7999] <... mount resumed>) = 0 [pid 7995] <... futex resumed>) = ? [pid 7993] <... exit_group resumed>) = ? [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8011 ./strace-static-x86_64: Process 8011 attached [pid 8011] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8011] chdir("./160") = 0 [pid 8011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8011] setpgid(0, 0) = 0 [pid 8011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 272.727380][ T8006] loop3: detected capacity change from 0 to 8192 [ 272.741893][ T7999] REISERFS (device loop4): Using tea hash to sort names [ 272.751781][ T7999] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 272.762641][ T8001] REISERFS (device loop2): checking transaction log (loop2) [pid 7995] +++ exited with 0 +++ [pid 7993] +++ exited with 0 +++ [pid 8011] <... openat resumed>) = 3 [pid 7999] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7993, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} --- [pid 7999] chdir("./file0" [pid 5051] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8011] write(3, "1000", 4 [pid 5051] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8011] <... write resumed>) = 4 [pid 5051] <... openat resumed>) = 3 [pid 8011] close(3 [pid 5051] newfstatat(3, "", [pid 8011] <... close resumed>) = 0 [pid 8011] symlink("/dev/binderfs", "./binderfs" [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8011] <... symlink resumed>) = 0 [pid 8011] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(3, [pid 8011] <... futex resumed>) = 0 [pid 7999] <... chdir resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8011] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 7999] ioctl(4, LOOP_CLR_FD [pid 8011] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8001] <... mount resumed>) = 0 [pid 7999] <... ioctl resumed>) = 0 [pid 5051] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 7999] close(4 [pid 8011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8001] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 7999] <... close resumed>) = 0 [ 272.787325][ T8006] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 272.789252][ T8001] REISERFS (device loop2): Using tea hash to sort names [ 272.808826][ T8001] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 272.818841][ T8006] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 272.828589][ T8006] REISERFS (device loop3): using ordered data mode [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8001] <... openat resumed>) = 3 [pid 7999] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] <... mmap resumed>) = 0x7f8728b89000 [pid 7999] <... futex resumed>) = 1 [pid 7996] <... futex resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./163/binderfs", [pid 8011] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 7999] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7996] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] <... mprotect resumed>) = 0 [pid 8001] chdir("./file0" [pid 7999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7996] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8001] <... chdir resumed>) = 0 [pid 7999] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 7996] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8001] ioctl(4, LOOP_CLR_FD [pid 7999] <... open resumed>) = 4 [pid 8001] <... ioctl resumed>) = 0 [pid 7999] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8001] close(4 [pid 7999] <... futex resumed>) = 1 [pid 7996] <... futex resumed>) = 0 [pid 8011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8001] <... close resumed>) = 0 [pid 7999] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7996] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] unlink("./163/binderfs" [pid 8011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8001] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8012 attached ) = 1 [pid 7999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7998] <... futex resumed>) = 0 [pid 7996] <... futex resumed>) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 8012] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8011] <... clone3 resumed> => {parent_tid=[8012]}, 88) = 8012 [pid 8001] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7999] ftruncate(4, 33587195 [pid 7998] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7996] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8012] <... rseq resumed>) = 0 [pid 8011] rt_sigprocmask(SIG_SETMASK, [], [pid 8009] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7999] <... ftruncate resumed>) = 0 [pid 7998] <... futex resumed>) = 0 [pid 5051] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8001] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8012] set_robust_list(0x7f8728ba99a0, 24 [pid 8011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7999] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7998] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8001] <... open resumed>) = 4 [pid 8001] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7998] <... futex resumed>) = 0 [pid 8001] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7998] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8011] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7998] <... futex resumed>) = 0 [pid 8012] <... set_robust_list resumed>) = 0 [pid 8011] <... futex resumed>) = 0 [pid 8001] ftruncate(4, 33587195 [pid 7999] <... futex resumed>) = 1 [pid 7998] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7996] <... futex resumed>) = 0 [pid 8012] rt_sigprocmask(SIG_SETMASK, [], [pid 8011] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 7996] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 7999] creat("./bus", 040 [pid 8001] <... ftruncate resumed>) = 0 [pid 7996] <... futex resumed>) = 0 [pid 8012] memfd_create("syzkaller", 0 [pid 7996] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8012] <... memfd_create resumed>) = 3 [pid 8012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 7999] <... creat resumed>) = 5 [pid 7999] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7996] <... futex resumed>) = 0 [pid 7999] mkdirat(AT_FDCWD, "./file0", 000 [pid 7996] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7996] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7999] <... mkdirat resumed>) = 0 [pid 7999] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7996] <... futex resumed>) = 0 [pid 7999] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7996] exit_group(0 [pid 7999] <... futex resumed>) = ? [pid 7996] <... exit_group resumed>) = ? [pid 7999] +++ exited with 0 +++ [pid 7996] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7996, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5055] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5055] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 272.835560][ T8006] reiserfs: using flush barriers [ 272.855491][ T8006] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 272.874341][ T8006] REISERFS (device loop3): checking transaction log (loop3) [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./157/binderfs") = 0 [pid 5055] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8001] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7998] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7998] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7998] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8001] <... futex resumed>) = 1 [pid 7998] <... futex resumed>) = 0 [pid 8001] creat("./bus", 040 [pid 7998] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=31000000} [pid 8001] <... creat resumed>) = 5 [pid 8001] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7998] <... futex resumed>) = 0 [pid 7998] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7998] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8001] mkdirat(AT_FDCWD, "./file0", 000) = 0 [ 272.915108][ T8006] REISERFS (device loop3): Using tea hash to sort names [ 272.922504][ T8006] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8001] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7998] <... futex resumed>) = 0 [pid 7998] exit_group(0) = ? [pid 8009] <... write resumed>) = 4194304 [pid 8009] munmap(0x7f8720789000, 138412032) = 0 [pid 8001] +++ exited with 0 +++ [pid 7998] +++ exited with 0 +++ [pid 8009] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7998, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8009] ioctl(4, LOOP_SET_FD, 3 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 8012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] <... restart_syscall resumed>) = 0 [pid 5053] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8009] <... ioctl resumed>) = 0 [pid 5053] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = 0 [pid 8009] close(3 [pid 8006] <... mount resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8009] <... close resumed>) = 0 [pid 8006] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5053] newfstatat(AT_FDCWD, "./159/binderfs", [pid 5051] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 272.992603][ T8009] loop1: detected capacity change from 0 to 8192 [pid 8009] mkdir("./file0", 0777 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8009] <... mkdir resumed>) = 0 [pid 8006] <... openat resumed>) = 3 [pid 5053] unlink("./159/binderfs" [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8006] chdir("./file0" [pid 8009] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8006] <... chdir resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./163/file0", [pid 8006] ioctl(4, LOOP_CLR_FD [pid 5053] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8006] <... ioctl resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8006] close(4 [pid 5051] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8006] <... close resumed>) = 0 [pid 8006] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8006] <... futex resumed>) = 1 [pid 8004] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8006] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] <... futex resumed>) = 0 [pid 5051] <... openat resumed>) = 4 [pid 8006] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8004] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8006] <... open resumed>) = 4 [pid 8006] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8004] <... futex resumed>) = 0 [pid 5051] newfstatat(4, "", [pid 8006] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8004] <... futex resumed>) = 0 [pid 8006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8004] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] getdents64(4, [pid 8006] ftruncate(4, 33587195 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... umount2 resumed>) = 0 [ 273.064610][ T8009] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5051] close(4 [pid 5055] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] rmdir("./163/file0" [pid 5055] newfstatat(AT_FDCWD, "./157/file0", [pid 5051] <... rmdir resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] getdents64(3, [pid 5055] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] close(3 [pid 5055] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... close resumed>) = 0 [pid 8006] <... ftruncate resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 5051] rmdir("./163" [pid 8004] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5055] newfstatat(4, "", [pid 8004] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8006] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8004] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] getdents64(4, [pid 5051] <... rmdir resumed>) = 0 [pid 8006] <... futex resumed>) = 0 [pid 8004] <... mmap resumed>) = 0x7f8728b68000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] mkdir("./164", 0777 [pid 8004] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 5055] getdents64(4, [pid 8012] <... write resumed>) = 4194304 [pid 8006] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8004] <... mprotect resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 8004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] close(4 [pid 8004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./157/file0" [pid 8004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 5051] <... openat resumed>) = 3 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5055] getdents64(3, [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8012] munmap(0x7f8720789000, 138412032 [pid 8004] <... clone3 resumed> => {parent_tid=[8014]}, 88) = 8014 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3 [pid 8004] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] close(3 [pid 8004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... close resumed>) = 0 [pid 8004] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 8004] <... futex resumed>) = 0 [pid 5055] rmdir("./157" [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8004] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8015 attached ./strace-static-x86_64: Process 8014 attached [pid 5055] <... rmdir resumed>) = 0 [pid 8015] set_robust_list(0x55555656d6a0, 24 [pid 8014] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 5055] mkdir("./158", 0777 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8015 [pid 8015] <... set_robust_list resumed>) = 0 [pid 8014] <... rseq resumed>) = 0 [pid 8012] <... munmap resumed>) = 0 [pid 8015] chdir("./164" [pid 8014] set_robust_list(0x7f8728b889a0, 24 [pid 5055] <... mkdir resumed>) = 0 [pid 8015] <... chdir resumed>) = 0 [pid 8014] <... set_robust_list resumed>) = 0 [pid 8012] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8014] rt_sigprocmask(SIG_SETMASK, [], [pid 8012] <... openat resumed>) = 4 [pid 5055] <... openat resumed>) = 3 [pid 8015] <... prctl resumed>) = 0 [pid 8014] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 273.109061][ T8009] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 273.119743][ T8009] REISERFS (device loop1): using ordered data mode [ 273.127802][ T8009] reiserfs: using flush barriers [ 273.135704][ T8009] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8012] ioctl(4, LOOP_SET_FD, 3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8015] setpgid(0, 0 [pid 8014] creat("./bus", 040 [pid 8015] <... setpgid resumed>) = 0 [pid 8014] <... creat resumed>) = 5 [pid 8015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8015] write(3, "1000", 4) = 4 [pid 8014] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] <... ioctl resumed>) = 0 [pid 5055] close(3 [pid 8014] <... futex resumed>) = 1 [pid 8012] close(3 [pid 8004] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8014] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8012] <... close resumed>) = 0 [pid 8004] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8015] close(3 [pid 8012] mkdir("./file0", 0777 [pid 8006] <... futex resumed>) = 0 [pid 8004] <... futex resumed>) = 1 ./strace-static-x86_64: Process 8016 attached [pid 8015] <... close resumed>) = 0 [pid 8012] <... mkdir resumed>) = 0 [pid 8006] mkdirat(AT_FDCWD, "./file0", 000 [pid 8004] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8016] set_robust_list(0x55555656d6a0, 24 [pid 8006] <... mkdirat resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8016 [pid 8016] <... set_robust_list resumed>) = 0 [pid 8015] symlink("/dev/binderfs", "./binderfs" [ 273.189762][ T8012] loop5: detected capacity change from 0 to 8192 [ 273.204733][ T8009] REISERFS (device loop1): checking transaction log (loop1) [ 273.228244][ T8009] REISERFS (device loop1): Using tea hash to sort names [pid 8012] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8006] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8016] chdir("./158" [pid 8015] <... symlink resumed>) = 0 [pid 8015] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8006] <... futex resumed>) = 1 [pid 8015] <... futex resumed>) = 0 [pid 8006] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8015] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8015] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8015] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8004] <... futex resumed>) = 0 [pid 8016] <... chdir resumed>) = 0 [pid 8015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8004] exit_group(0 [pid 8015] <... clone3 resumed> => {parent_tid=[8017]}, 88) = 8017 [pid 8004] <... exit_group resumed>) = ? [pid 8016] setpgid(0, 0 [pid 8015] rt_sigprocmask(SIG_SETMASK, [], [pid 8014] <... futex resumed>) = ? [pid 8006] <... futex resumed>) = ? ./strace-static-x86_64: Process 8017 attached [pid 8016] <... setpgid resumed>) = 0 [pid 8015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8009] <... mount resumed>) = 0 [pid 8006] +++ exited with 0 +++ [pid 5053] <... umount2 resumed>) = 0 [pid 8017] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8009] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5053] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8017] <... rseq resumed>) = 0 [pid 8016] <... openat resumed>) = 3 [pid 8009] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8017] set_robust_list(0x7f8728ba99a0, 24 [pid 8016] write(3, "1000", 4 [pid 8015] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8014] +++ exited with 0 +++ [pid 8004] +++ exited with 0 +++ [pid 5053] newfstatat(AT_FDCWD, "./159/file0", [pid 8017] <... set_robust_list resumed>) = 0 [pid 8016] <... write resumed>) = 4 [pid 8009] chdir("./file0" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8017] rt_sigprocmask(SIG_SETMASK, [], [pid 8016] close(3 [pid 8009] <... chdir resumed>) = 0 [pid 5053] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8016] <... close resumed>) = 0 [pid 8009] ioctl(4, LOOP_CLR_FD [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8017] memfd_create("syzkaller", 0 [pid 8016] symlink("/dev/binderfs", "./binderfs" [pid 8015] <... futex resumed>) = 0 [pid 8009] <... ioctl resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8004, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5053] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8017] <... memfd_create resumed>) = 3 [pid 8016] <... symlink resumed>) = 0 [pid 8015] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8009] close(4 [pid 5053] <... openat resumed>) = 4 [pid 8017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8016] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] <... close resumed>) = 0 [pid 5053] newfstatat(4, "", [pid 8017] <... mmap resumed>) = 0x7f8720789000 [pid 8016] <... futex resumed>) = 0 [pid 8009] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8016] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8009] <... futex resumed>) = 1 [pid 8008] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] getdents64(4, [pid 8016] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8008] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8009] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", [pid 8016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8009] <... open resumed>) = 4 [pid 8008] <... futex resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, [pid 8016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8009] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8008] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] getdents64(3, [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8016] <... mmap resumed>) = 0x7f8728b89000 [pid 8009] <... futex resumed>) = 0 [pid 8008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8016] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8009] ftruncate(4, 33587195 [pid 8008] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] close(4 [pid 8016] <... mprotect resumed>) = 0 [pid 8008] <... futex resumed>) = 0 [pid 5054] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 [pid 8016] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8008] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8016] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] rmdir("./159/file0" [pid 8016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] newfstatat(AT_FDCWD, "./157/binderfs", [pid 5053] <... rmdir resumed>) = 0 [pid 8009] <... ftruncate resumed>) = 0 [pid 8016] <... clone3 resumed> => {parent_tid=[8019]}, 88) = 8019 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] getdents64(3, [pid 8016] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] unlink("./157/binderfs" [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] close(3./strace-static-x86_64: Process 8019 attached [pid 8016] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8009] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... unlink resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 8019] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8016] <... futex resumed>) = 0 [pid 8009] <... futex resumed>) = 1 [pid 8008] <... futex resumed>) = 0 [pid 8019] <... rseq resumed>) = 0 [pid 8016] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8008] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] rmdir("./159" [pid 8019] set_robust_list(0x7f8728ba99a0, 24 [pid 8008] <... futex resumed>) = 0 [pid 5054] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... rmdir resumed>) = 0 [pid 8019] <... set_robust_list resumed>) = 0 [pid 8009] creat("./bus", 040 [ 273.243105][ T8009] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 273.276080][ T8012] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8008] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] mkdir("./160", 0777 [pid 8019] rt_sigprocmask(SIG_SETMASK, [], [pid 8017] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8009] <... creat resumed>) = 5 [pid 5053] <... mkdir resumed>) = 0 [pid 8019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8019] memfd_create("syzkaller", 0) = 3 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... openat resumed>) = 3 [pid 8019] <... mmap resumed>) = 0x7f8720789000 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 8009] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8009] <... futex resumed>) = 1 [pid 8008] <... futex resumed>) = 0 [pid 8008] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8009] mkdirat(AT_FDCWD, "./file0", 000 [pid 8008] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8009] <... mkdirat resumed>) = 0 [ 273.321201][ T8012] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 8009] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8020 ./strace-static-x86_64: Process 8020 attached [pid 8017] <... write resumed>) = 4194304 [pid 8009] <... futex resumed>) = 1 [pid 8008] <... futex resumed>) = 0 [pid 8009] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8008] exit_group(0 [pid 8009] <... futex resumed>) = ? [pid 8008] <... exit_group resumed>) = ? [pid 8009] +++ exited with 0 +++ [pid 8008] +++ exited with 0 +++ [pid 8020] set_robust_list(0x55555656d6a0, 24 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8008, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8020] <... set_robust_list resumed>) = 0 [pid 5052] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8020] chdir("./160" [pid 8017] munmap(0x7f8720789000, 138412032 [pid 5052] <... openat resumed>) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 8020] <... chdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./161/binderfs" [pid 8017] <... munmap resumed>) = 0 [pid 8020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] <... unlink resumed>) = 0 [pid 5052] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8020] <... prctl resumed>) = 0 [pid 8020] setpgid(0, 0 [pid 8017] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8020] <... setpgid resumed>) = 0 [pid 8017] <... openat resumed>) = 4 [pid 8020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8017] ioctl(4, LOOP_SET_FD, 3 [pid 8020] <... openat resumed>) = 3 [pid 8020] write(3, "1000", 4) = 4 [ 273.373892][ T8012] REISERFS (device loop5): using ordered data mode [ 273.380438][ T8012] reiserfs: using flush barriers [ 273.396838][ T8012] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.417073][ T8017] loop0: detected capacity change from 0 to 8192 [pid 8020] close(3) = 0 [pid 8019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8017] <... ioctl resumed>) = 0 [pid 8020] symlink("/dev/binderfs", "./binderfs" [pid 8017] close(3) = 0 [pid 8020] <... symlink resumed>) = 0 [pid 8017] mkdir("./file0", 0777 [pid 8020] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8017] <... mkdir resumed>) = 0 [pid 8017] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8020] <... futex resumed>) = 0 [pid 8020] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [ 273.441955][ T8012] REISERFS (device loop5): checking transaction log (loop5) [ 273.474144][ T8017] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8020] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8020] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8022]}, 88) = 8022 [pid 8020] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8022 attached NULL, 8) = 0 [pid 8020] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8022] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8022] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8022] rt_sigprocmask(SIG_SETMASK, [], [pid 8020] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8019] <... write resumed>) = 4194304 [pid 8022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8022] memfd_create("syzkaller", 0) = 3 [pid 8022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 273.492038][ T8012] REISERFS (device loop5): Using tea hash to sort names [ 273.530657][ T8017] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 8019] munmap(0x7f8720789000, 138412032) = 0 [pid 8019] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 273.540838][ T8017] REISERFS (device loop0): using ordered data mode [ 273.544634][ T8012] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 273.550088][ T8017] reiserfs: using flush barriers [ 273.565157][ T8017] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.582243][ T8019] loop4: detected capacity change from 0 to 8192 [pid 8019] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8019] close(3) = 0 [pid 8019] mkdir("./file0", 0777) = 0 [pid 8019] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8012] <... mount resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./157/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, [pid 8012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] close(4) = 0 [pid 5054] rmdir("./157/file0") = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8012] <... openat resumed>) = 3 [pid 5054] getdents64(3, [pid 8012] chdir("./file0" [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] newfstatat(AT_FDCWD, "./161/file0", [pid 5054] close(3) = 0 [pid 5054] rmdir("./157" [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8012] <... chdir resumed>) = 0 [pid 5052] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8012] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8012] close(4 [pid 5054] <... rmdir resumed>) = 0 [ 273.598501][ T8019] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.609333][ T8017] REISERFS (device loop0): checking transaction log (loop0) [ 273.634660][ T8017] REISERFS (device loop0): Using tea hash to sort names [pid 5052] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8012] <... close resumed>) = 0 [pid 8012] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 4 [pid 8012] <... futex resumed>) = 1 [pid 8011] <... futex resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 8012] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8011] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8011] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 273.642053][ T8017] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 273.660915][ T8019] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 273.671852][ T29] kauditd_printk_skb: 15 callbacks suppressed [ 273.671865][ T29] audit: type=1800 audit(1698988418.424:964): pid=8012 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 8011] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8012] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5054] mkdir("./158", 0777 [pid 5052] getdents64(4, [pid 5054] <... mkdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8022] <... write resumed>) = 4194304 [pid 8012] <... open resumed>) = 4 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8012] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 8012] <... futex resumed>) = 1 [pid 8011] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8011] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8024 [pid 5052] close(4 [pid 8011] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8012] ftruncate(4, 33587195 [pid 8011] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] rmdir("./161/file0" [pid 8017] <... mount resumed>) = 0 [pid 8012] <... ftruncate resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8022] munmap(0x7f8720789000, 138412032 [pid 8017] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8012] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 8022] <... munmap resumed>) = 0 [pid 8017] <... openat resumed>) = 3 [pid 8012] <... futex resumed>) = 1 [pid 8011] <... futex resumed>) = 0 [pid 8017] chdir("./file0" [pid 8012] creat("./bus", 040 [pid 8011] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8017] <... chdir resumed>) = 0 [pid 8012] <... creat resumed>) = 5 [pid 8011] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8024 attached [pid 8022] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8017] ioctl(4, LOOP_CLR_FD [pid 8011] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] close(3 [pid 8024] set_robust_list(0x55555656d6a0, 24 [pid 8022] <... openat resumed>) = 4 [pid 8017] <... ioctl resumed>) = 0 [pid 8024] <... set_robust_list resumed>) = 0 [pid 8022] ioctl(4, LOOP_SET_FD, 3 [pid 8017] close(4 [pid 5052] <... close resumed>) = 0 [pid 8024] chdir("./158" [pid 8017] <... close resumed>) = 0 [pid 5052] rmdir("./161" [pid 8017] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8015] <... futex resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8015] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8017] <... open resumed>) = 4 [pid 5052] mkdir("./162", 0777 [pid 8024] <... chdir resumed>) = 0 [pid 8017] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8015] <... futex resumed>) = 0 [pid 8012] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... mkdir resumed>) = 0 [pid 8024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8017] <... futex resumed>) = 0 [pid 8015] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8024] <... prctl resumed>) = 0 [ 273.687738][ T8019] REISERFS (device loop4): using ordered data mode [ 273.705448][ T8019] reiserfs: using flush barriers [ 273.712400][ T8019] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.727644][ T8022] loop2: detected capacity change from 0 to 8192 [pid 8017] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8024] setpgid(0, 0 [pid 8015] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] <... setpgid resumed>) = 0 [pid 8022] <... ioctl resumed>) = 0 [pid 8017] <... futex resumed>) = 0 [pid 8015] <... futex resumed>) = 1 [pid 8012] <... futex resumed>) = 1 [pid 8011] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8017] ftruncate(4, 33587195 [pid 8015] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8024] <... openat resumed>) = 3 [pid 8017] <... ftruncate resumed>) = 0 [pid 8012] mkdirat(AT_FDCWD, "./file0", 000 [pid 8011] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8024] write(3, "1000", 4 [pid 8022] close(3 [pid 8017] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8024] <... write resumed>) = 4 [pid 8022] <... close resumed>) = 0 [pid 8017] <... futex resumed>) = 1 [pid 8015] <... futex resumed>) = 0 [pid 5052] close(3 [pid 8024] close(3 [pid 8022] mkdir("./file0", 0777 [pid 8017] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8015] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... close resumed>) = 0 [pid 8024] <... close resumed>) = 0 [pid 8022] <... mkdir resumed>) = 0 [pid 8017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8015] <... futex resumed>) = 0 [pid 8024] symlink("/dev/binderfs", "./binderfs" [pid 8022] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8017] creat("./bus", 040 [pid 8015] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8024] <... symlink resumed>) = 0 [pid 8017] <... creat resumed>) = 5 [pid 8012] <... mkdirat resumed>) = 0 [pid 8011] <... futex resumed>) = 0 [pid 8024] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8012] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8011] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8012] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] <... futex resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8026 [pid 8024] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8024] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8024] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8024] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8024] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8027]}, 88) = 8027 [pid 8024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8017] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8017] <... futex resumed>) = 1 [pid 8015] <... futex resumed>) = 0 [pid 8024] <... futex resumed>) = 0 [pid 8017] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 273.743899][ T8019] REISERFS (device loop4): checking transaction log (loop4) [ 273.752554][ T8019] REISERFS (device loop4): Using tea hash to sort names [ 273.759743][ T29] audit: type=1800 audit(1698988418.494:965): pid=8017 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 273.789586][ T8019] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8015] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8015] <... futex resumed>) = 0 [pid 8011] exit_group(0 [pid 8017] mkdirat(AT_FDCWD, "./file0", 000 [pid 8015] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8017] <... mkdirat resumed>) = 0 [pid 8017] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8015] <... futex resumed>) = 0 [pid 8017] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8015] exit_group(0./strace-static-x86_64: Process 8027 attached ./strace-static-x86_64: Process 8026 attached [pid 8017] <... futex resumed>) = ? [pid 8015] <... exit_group resumed>) = ? [pid 8012] <... futex resumed>) = ? [pid 8011] <... exit_group resumed>) = ? [pid 8027] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8026] set_robust_list(0x55555656d6a0, 24 [pid 8019] <... mount resumed>) = 0 [pid 8017] +++ exited with 0 +++ [pid 8015] +++ exited with 0 +++ [pid 8012] +++ exited with 0 +++ [pid 8011] +++ exited with 0 +++ [pid 8027] <... rseq resumed>) = 0 [pid 8026] <... set_robust_list resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8015, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 8027] set_robust_list(0x7f8728ba99a0, 24 [pid 8026] chdir("./162" [pid 8027] <... set_robust_list resumed>) = 0 [pid 8026] <... chdir resumed>) = 0 [pid 8027] rt_sigprocmask(SIG_SETMASK, [], [pid 8026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8026] <... prctl resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8011, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 8019] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8027] memfd_create("syzkaller", 0 [ 273.799342][ T8022] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 273.820695][ T8022] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 273.831113][ T8022] REISERFS (device loop2): using ordered data mode [ 273.838155][ T8022] reiserfs: using flush barriers [pid 8026] setpgid(0, 0 [pid 8027] <... memfd_create resumed>) = 3 [pid 8026] <... setpgid resumed>) = 0 [pid 8027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8019] <... openat resumed>) = 3 [pid 5051] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8019] chdir("./file0" [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8027] <... mmap resumed>) = 0x7f8720789000 [pid 8019] <... chdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8019] ioctl(4, LOOP_CLR_FD [pid 5051] <... openat resumed>) = 3 [ 273.846072][ T8022] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 273.874328][ T8022] REISERFS (device loop2): checking transaction log (loop2) [pid 8026] write(3, "1000", 4 [pid 8019] <... ioctl resumed>) = 0 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 8019] close(4 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8019] <... close resumed>) = 0 [pid 5056] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8026] <... write resumed>) = 4 [pid 8019] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5051] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8026] close(3 [pid 8019] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8016] <... futex resumed>) = 0 [pid 8016] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8016] <... futex resumed>) = 0 [pid 8026] <... close resumed>) = 0 [pid 8019] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8026] symlink("/dev/binderfs", "./binderfs" [pid 8016] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8026] <... symlink resumed>) = 0 [pid 8019] <... open resumed>) = 4 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8026] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8019] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] newfstatat(AT_FDCWD, "./164/binderfs", [pid 8026] <... futex resumed>) = 0 [pid 8019] <... futex resumed>) = 1 [pid 8016] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8026] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8019] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8016] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(3, "", [pid 5051] unlink("./164/binderfs" [pid 8026] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8016] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 8026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8019] ftruncate(4, 33587195 [pid 8016] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] getdents64(3, [pid 8026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8026] <... mmap resumed>) = 0x7f8728b89000 [pid 8019] <... ftruncate resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8026] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8019] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(AT_FDCWD, "./160/binderfs", [pid 8026] <... mprotect resumed>) = 0 [pid 8019] <... futex resumed>) = 1 [pid 8016] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8019] creat("./bus", 040 [pid 8016] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] unlink("./160/binderfs" [pid 8026] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8019] <... creat resumed>) = 5 [pid 8016] <... futex resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 8026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8016] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8028 attached [pid 8026] <... clone3 resumed> => {parent_tid=[8028]}, 88) = 8028 [pid 8026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8026] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8026] <... futex resumed>) = 0 [pid 8019] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8019] <... futex resumed>) = 1 [pid 8016] <... futex resumed>) = 0 [pid 8019] mkdirat(AT_FDCWD, "./file0", 000 [pid 8016] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] <... rseq resumed>) = 0 [pid 8019] <... mkdirat resumed>) = 0 [pid 8016] <... futex resumed>) = 0 [pid 8028] set_robust_list(0x7f8728ba99a0, 24 [pid 8027] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8019] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8016] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8028] <... set_robust_list resumed>) = 0 [pid 8022] <... mount resumed>) = 0 [pid 8019] <... futex resumed>) = 0 [pid 8016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8028] rt_sigprocmask(SIG_SETMASK, [], [pid 8019] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8016] exit_group(0 [pid 8028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8016] <... exit_group resumed>) = ? [pid 8028] memfd_create("syzkaller", 0 [pid 8019] <... futex resumed>) = ? [pid 8028] <... memfd_create resumed>) = 3 [pid 8028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8022] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8028] <... mmap resumed>) = 0x7f8720789000 [pid 8022] <... openat resumed>) = 3 [pid 8019] +++ exited with 0 +++ [pid 8016] +++ exited with 0 +++ [pid 8022] chdir("./file0" [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8016, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 8022] <... chdir resumed>) = 0 [pid 5055] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8022] ioctl(4, LOOP_CLR_FD) = 0 [pid 8022] close(4) = 0 [pid 8022] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8020] <... futex resumed>) = 0 [pid 8020] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 273.882182][ T29] audit: type=1800 audit(1698988418.634:966): pid=8019 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 273.911022][ T8022] REISERFS (device loop2): Using tea hash to sort names [ 273.929155][ T8022] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8020] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8022] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5055] <... openat resumed>) = 3 [pid 8022] <... open resumed>) = 4 [pid 5055] newfstatat(3, "", [pid 8022] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8022] <... futex resumed>) = 1 [pid 8020] <... futex resumed>) = 0 [pid 5055] getdents64(3, [pid 8022] ftruncate(4, 33587195 [pid 8020] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8020] <... futex resumed>) = 0 [pid 5055] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8022] <... ftruncate resumed>) = 0 [pid 8020] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... umount2 resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./158/binderfs", [pid 8022] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8020] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8022] <... futex resumed>) = 0 [pid 8020] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8022] creat("./bus", 040 [pid 8020] <... futex resumed>) = 0 [pid 8028] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8020] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] unlink("./158/binderfs" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8022] <... creat resumed>) = 5 [pid 5056] newfstatat(AT_FDCWD, "./160/file0", [pid 5055] <... unlink resumed>) = 0 [pid 8022] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8022] <... futex resumed>) = 1 [pid 8020] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8020] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 273.999066][ T29] audit: type=1800 audit(1698988418.744:967): pid=8022 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 8020] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8022] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8022] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8020] <... futex resumed>) = 0 [pid 8020] exit_group(0) = ? [pid 8022] +++ exited with 0 +++ [pid 8020] +++ exited with 0 +++ [pid 5056] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8020, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5056] <... openat resumed>) = 4 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 5056] newfstatat(4, "", [pid 5053] <... restart_syscall resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] getdents64(4, [pid 5053] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4 [pid 5053] newfstatat(3, "", [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./160/file0" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] getdents64(3, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./160" [pid 5053] unlink("./160/binderfs") = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5056] mkdir("./161", 0777 [pid 5053] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... mkdir resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 8027] <... write resumed>) = 4194304 [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8027] munmap(0x7f8720789000, 138412032) = 0 ./strace-static-x86_64: Process 8029 attached [pid 8027] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8029 [pid 8029] set_robust_list(0x55555656d6a0, 24 [pid 8027] <... openat resumed>) = 4 [pid 8029] <... set_robust_list resumed>) = 0 [pid 8027] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 8029] chdir("./161") = 0 [pid 8029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8029] setpgid(0, 0 [pid 5051] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8029] <... setpgid resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./164/file0", [pid 8029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8029] <... openat resumed>) = 3 [pid 5051] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8029] write(3, "1000", 4 [pid 8028] <... write resumed>) = 4194304 [pid 8027] close(3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8029] <... write resumed>) = 4 [pid 8029] close(3) = 0 [pid 8027] <... close resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8029] symlink("/dev/binderfs", "./binderfs" [pid 8027] mkdir("./file0", 0777 [pid 8029] <... symlink resumed>) = 0 [pid 5051] <... openat resumed>) = 4 [pid 8029] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... mkdir resumed>) = 0 [pid 5051] newfstatat(4, "", [pid 8027] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 274.156345][ T8027] loop3: detected capacity change from 0 to 8192 [pid 8029] <... futex resumed>) = 0 [pid 8028] munmap(0x7f8720789000, 138412032 [pid 5055] <... umount2 resumed>) = 0 [pid 5051] getdents64(4, [pid 8029] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8028] <... munmap resumed>) = 0 [pid 8029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8029] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(4, [pid 5055] newfstatat(AT_FDCWD, "./158/file0", [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8029] <... rt_sigprocmask resumed>[], 8) = 0 [ 274.212035][ T8027] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.225464][ T8027] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 274.235675][ T8027] REISERFS (device loop3): using ordered data mode [ 274.242501][ T8027] reiserfs: using flush barriers [ 274.245753][ T8028] loop1: detected capacity change from 0 to 8192 [pid 8028] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8028] <... openat resumed>) = 4 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] close(4 [pid 8028] ioctl(4, LOOP_SET_FD, 3 [pid 5055] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] rmdir("./164/file0" [pid 8029] <... clone3 resumed> => {parent_tid=[8031]}, 88) = 8031 [pid 5055] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 8029] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... openat resumed>) = 4 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] newfstatat(4, "", [pid 5051] close(3 [pid 8029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... close resumed>) = 0 [pid 5055] getdents64(4, [pid 5051] rmdir("./164" [pid 8029] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] mkdir("./165", 0777 [pid 5055] getdents64(4, ./strace-static-x86_64: Process 8031 attached [pid 8029] <... futex resumed>) = 0 [pid 8031] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8029] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 8031] <... rseq resumed>) = 0 [pid 5055] close(4 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8031] set_robust_list(0x7f8728ba99a0, 24 [pid 5055] <... close resumed>) = 0 [pid 8031] <... set_robust_list resumed>) = 0 [pid 5055] rmdir("./158/file0" [pid 5051] <... openat resumed>) = 3 [pid 8031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8031] memfd_create("syzkaller", 0) = 3 [pid 5055] getdents64(3, [pid 5053] <... umount2 resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(3 [pid 5055] close(3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./160/file0", [pid 5055] rmdir("./158" [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8028] <... ioctl resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 274.254210][ T8027] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.292107][ T8027] REISERFS (device loop3): checking transaction log (loop3) [pid 8028] close(3 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8028] <... close resumed>) = 0 [pid 5055] mkdir("./159", 0777 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8032 [pid 8028] mkdir("./file0", 0777 [pid 5053] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8028] <... mkdir resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 8028] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, ./strace-static-x86_64: Process 8032 attached 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] close(4 [pid 5055] <... openat resumed>) = 3 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./160/file0" [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8032] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8032] chdir("./165" [pid 5053] <... rmdir resumed>) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8032] <... chdir resumed>) = 0 [pid 8032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8032] setpgid(0, 0) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8034 ./strace-static-x86_64: Process 8034 attached [pid 8032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8031] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8034] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8032] <... openat resumed>) = 3 [pid 8034] chdir("./159" [pid 8032] write(3, "1000", 4 [pid 8034] <... chdir resumed>) = 0 [pid 8032] <... write resumed>) = 4 [pid 5053] close(3 [pid 8034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8032] close(3 [pid 5053] <... close resumed>) = 0 [pid 8034] <... prctl resumed>) = 0 [pid 8032] <... close resumed>) = 0 [pid 5053] rmdir("./160" [pid 8034] setpgid(0, 0 [pid 8032] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8032] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8032] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8032] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 5053] <... rmdir resumed>) = 0 [pid 8034] <... setpgid resumed>) = 0 [ 274.325509][ T8027] REISERFS (device loop3): Using tea hash to sort names [ 274.332908][ T8027] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8032] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8032] <... mprotect resumed>) = 0 [pid 8032] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8032] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8035]}, 88) = 8035 [pid 8032] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8032] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8032] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8027] <... mount resumed>) = 0 ./strace-static-x86_64: Process 8035 attached [pid 8034] <... openat resumed>) = 3 [pid 5053] mkdir("./161", 0777 [pid 8035] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8034] write(3, "1000", 4 [pid 8035] <... rseq resumed>) = 0 [pid 8034] <... write resumed>) = 4 [pid 8035] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8034] close(3 [pid 8035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8035] memfd_create("syzkaller", 0 [pid 8027] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8034] <... close resumed>) = 0 [pid 8035] <... memfd_create resumed>) = 3 [pid 8034] symlink("/dev/binderfs", "./binderfs" [pid 8027] <... openat resumed>) = 3 [pid 5053] <... mkdir resumed>) = 0 [pid 8035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8027] chdir("./file0" [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8027] <... chdir resumed>) = 0 [pid 8027] ioctl(4, LOOP_CLR_FD [pid 8035] <... mmap resumed>) = 0x7f8720789000 [pid 8034] <... symlink resumed>) = 0 [pid 8027] <... ioctl resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 8034] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] close(4 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8034] <... futex resumed>) = 0 [pid 8027] <... close resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8034] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8027] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(3 [pid 8034] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8027] <... futex resumed>) = 1 [pid 8024] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 8034] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8027] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8024] <... futex resumed>) = 0 [pid 8034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [ 274.376167][ T8028] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.393426][ T8028] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 274.418468][ T8028] REISERFS (device loop1): using ordered data mode [pid 8034] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8027] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8024] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8034] <... mprotect resumed>) = 0 [pid 8034] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8027] <... open resumed>) = 4 [pid 8034] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8037 attached [pid 8035] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8027] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8024] <... futex resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8037 [pid 8027] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... futex resumed>) = 0 [pid 8024] <... futex resumed>) = 1 [pid 8027] ftruncate(4, 33587195 [pid 8024] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8036 attached [pid 8037] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8036] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8036] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8036] rt_sigprocmask(SIG_SETMASK, [], [pid 8037] chdir("./161") = 0 [pid 8036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8036] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8034] <... clone3 resumed> => {parent_tid=[8036]}, 88) = 8036 [pid 8034] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 274.425720][ T8028] reiserfs: using flush barriers [ 274.434811][ T29] audit: type=1800 audit(1698988419.194:968): pid=8027 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 274.436118][ T8028] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8037] <... prctl resumed>) = 0 [pid 8034] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... ftruncate resumed>) = 0 [pid 8037] setpgid(0, 0) = 0 [pid 8036] <... futex resumed>) = 0 [pid 8034] <... futex resumed>) = 1 [pid 8037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8036] memfd_create("syzkaller", 0 [pid 8034] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8031] <... write resumed>) = 4194304 [pid 8036] <... memfd_create resumed>) = 3 [pid 8036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8037] <... openat resumed>) = 3 [pid 8036] <... mmap resumed>) = 0x7f8720789000 [pid 8037] write(3, "1000", 4) = 4 [pid 8037] close(3) = 0 [pid 8037] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8027] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8037] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... futex resumed>) = 0 [pid 8024] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8037] <... futex resumed>) = 0 [pid 8027] creat("./bus", 040 [pid 8024] <... futex resumed>) = 0 [pid 8037] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8027] <... creat resumed>) = 5 [pid 8024] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8037] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8037] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 274.496133][ T8028] REISERFS (device loop1): checking transaction log (loop1) [ 274.507101][ T8028] REISERFS (device loop1): Using tea hash to sort names [pid 8037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8027] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8037] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8027] <... futex resumed>) = 1 [pid 8024] <... futex resumed>) = 0 [pid 8037] <... mprotect resumed>) = 0 [pid 8027] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8024] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8037] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8024] <... futex resumed>) = 0 [pid 8037] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8036] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8035] <... write resumed>) = 4194304 [pid 8031] munmap(0x7f8720789000, 138412032 [pid 8027] mkdirat(AT_FDCWD, "./file0", 000 [pid 8024] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8037] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8035] munmap(0x7f8720789000, 138412032 [pid 8027] <... mkdirat resumed>) = 0 [pid 8027] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8027] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8035] <... munmap resumed>) = 0 [pid 8024] <... futex resumed>) = 0 [pid 8024] exit_group(0 [pid 8027] <... futex resumed>) = ? [pid 8024] <... exit_group resumed>) = ? [pid 8035] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8031] <... munmap resumed>) = 0 [pid 8027] +++ exited with 0 +++ [pid 8024] +++ exited with 0 +++ [pid 8037] <... clone3 resumed> => {parent_tid=[8038]}, 88) = 8038 [pid 8035] <... openat resumed>) = 4 [pid 8031] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8024, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 8037] rt_sigprocmask(SIG_SETMASK, [], [pid 8035] ioctl(4, LOOP_SET_FD, 3 [pid 8031] <... openat resumed>) = 4 ./strace-static-x86_64: Process 8038 attached [pid 8037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8038] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5054] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8038] <... rseq resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8038] set_robust_list(0x7f8728ba99a0, 24 [pid 5054] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8038] <... set_robust_list resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8038] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] getdents64(3, [pid 8038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8038] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./158/binderfs", [pid 8037] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8028] <... mount resumed>) = 0 [pid 5054] unlink("./158/binderfs") = 0 [pid 8028] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8028] <... openat resumed>) = 3 [pid 8028] chdir("./file0") = 0 [pid 8028] ioctl(4, LOOP_CLR_FD [pid 8038] <... futex resumed>) = 0 [pid 8037] <... futex resumed>) = 1 [pid 8031] <... ioctl resumed>) = 0 [pid 8038] memfd_create("syzkaller", 0 [pid 8037] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8035] <... ioctl resumed>) = 0 [pid 8031] close(3 [pid 8028] <... ioctl resumed>) = 0 [pid 8038] <... memfd_create resumed>) = 3 [pid 8035] close(3 [pid 8031] <... close resumed>) = 0 [pid 8028] close(4 [pid 8038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8035] <... close resumed>) = 0 [pid 8031] mkdir("./file0", 0777 [pid 8038] <... mmap resumed>) = 0x7f8720789000 [pid 8028] <... close resumed>) = 0 [pid 8031] <... mkdir resumed>) = 0 [pid 8035] mkdir("./file0", 0777 [pid 8031] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8028] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8035] <... mkdir resumed>) = 0 [pid 8028] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 274.557914][ T8028] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 274.582718][ T8035] loop0: detected capacity change from 0 to 8192 [ 274.592017][ T8031] loop5: detected capacity change from 0 to 8192 [pid 8026] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8035] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8026] <... futex resumed>) = 0 [pid 8026] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8028] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8028] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8028] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8026] <... futex resumed>) = 0 [pid 8028] ftruncate(4, 33587195 [pid 8026] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8028] <... ftruncate resumed>) = 0 [ 274.620968][ T8031] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.636925][ T29] audit: type=1800 audit(1698988419.384:969): pid=8028 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 8028] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8026] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8026] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8028] creat("./bus", 040 [pid 8036] <... write resumed>) = 4194304 [pid 8028] <... creat resumed>) = 5 [pid 8036] munmap(0x7f8720789000, 138412032 [pid 8038] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8036] <... munmap resumed>) = 0 [pid 8028] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8026] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 274.675163][ T8035] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8026] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8036] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8028] <... futex resumed>) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8036] ioctl(4, LOOP_SET_FD, 3 [pid 8028] mkdirat(AT_FDCWD, "./file0", 000 [pid 8026] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=30000000} [pid 8028] <... mkdirat resumed>) = 0 [pid 8028] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8026] <... futex resumed>) = 0 [pid 8028] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8026] exit_group(0 [pid 8028] <... futex resumed>) = ? [pid 8026] <... exit_group resumed>) = ? [ 274.727012][ T8031] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 274.751256][ T8036] loop4: detected capacity change from 0 to 8192 [ 274.758817][ T8035] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 8028] +++ exited with 0 +++ [pid 8026] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8026, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5052] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8036] <... ioctl resumed>) = 0 [pid 5052] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8036] close(3 [pid 5052] <... openat resumed>) = 3 [pid 8036] <... close resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 8036] mkdir("./file0", 0777 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./162/binderfs") = 0 [pid 8036] <... mkdir resumed>) = 0 [pid 5052] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 274.774526][ T8031] REISERFS (device loop5): using ordered data mode [pid 8036] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8038] <... write resumed>) = 4194304 [pid 5054] <... umount2 resumed>) = 0 [ 274.798809][ T8035] REISERFS (device loop0): using ordered data mode [ 274.800644][ T8031] reiserfs: using flush barriers [ 274.806644][ T8036] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.817251][ T8035] reiserfs: using flush barriers [ 274.828866][ T8031] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8038] munmap(0x7f8720789000, 138412032 [pid 5054] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8038] <... munmap resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./158/file0", [pid 8038] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8038] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8038] <... ioctl resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8038] close(3 [pid 5054] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8038] <... close resumed>) = 0 [pid 8038] mkdir("./file0", 0777 [pid 5054] <... openat resumed>) = 4 [pid 8038] <... mkdir resumed>) = 0 [ 274.830094][ T8036] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 274.849496][ T8035] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.856068][ T8036] REISERFS (device loop4): using ordered data mode [ 274.877128][ T8036] reiserfs: using flush barriers [ 274.883413][ T8038] loop2: detected capacity change from 0 to 8192 [pid 5054] newfstatat(4, "", [pid 8038] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./158/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./158") = 0 [pid 5054] mkdir("./159", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8043 [ 274.892556][ T8036] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 274.905033][ T8031] REISERFS (device loop5): checking transaction log (loop5) [ 274.922793][ T8036] REISERFS (device loop4): checking transaction log (loop4) [ 274.931952][ T8035] REISERFS (device loop0): checking transaction log (loop0) [ 274.935707][ T8036] REISERFS (device loop4): Using tea hash to sort names ./strace-static-x86_64: Process 8043 attached [pid 8043] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8043] chdir("./159") = 0 [pid 8043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 274.948583][ T8031] REISERFS (device loop5): Using tea hash to sort names [ 274.962155][ T8035] REISERFS (device loop0): Using tea hash to sort names [ 274.966487][ T8038] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 274.979366][ T8035] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8043] setpgid(0, 0) = 0 [pid 8043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8043] write(3, "1000", 4) = 4 [pid 8043] close(3 [pid 8036] <... mount resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 8043] <... close resumed>) = 0 [pid 8043] symlink("/dev/binderfs", "./binderfs" [pid 8035] <... mount resumed>) = 0 [pid 8043] <... symlink resumed>) = 0 [pid 8035] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5052] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8035] <... openat resumed>) = 3 [pid 8035] chdir("./file0" [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8043] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8036] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8043] <... futex resumed>) = 0 [pid 8036] chdir("./file0" [pid 8035] <... chdir resumed>) = 0 [pid 8031] <... mount resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./162/file0", [pid 8043] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8036] <... chdir resumed>) = 0 [pid 8043] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8036] ioctl(4, LOOP_CLR_FD [pid 8043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8036] <... ioctl resumed>) = 0 [pid 8043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8036] close(4 [pid 8043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8036] <... close resumed>) = 0 [pid 8043] <... mmap resumed>) = 0x7f8728b89000 [pid 8036] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8036] <... futex resumed>) = 1 [pid 8034] <... futex resumed>) = 0 [pid 8043] <... mprotect resumed>) = 0 [pid 8036] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8034] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8034] <... futex resumed>) = 0 [pid 8043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8036] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8034] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8036] <... open resumed>) = 4 [pid 8043] <... clone3 resumed> => {parent_tid=[8044]}, 88) = 8044 [pid 8043] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8043] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [ 274.987592][ T8031] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 275.003586][ T8036] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 275.018178][ T8038] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 275.027531][ T8038] REISERFS (device loop2): using ordered data mode [pid 8036] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8034] <... futex resumed>) = 0 [pid 8034] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8034] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8036] <... futex resumed>) = 1 [pid 8036] ftruncate(4, 33587195./strace-static-x86_64: Process 8044 attached [pid 8031] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8044] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8035] ioctl(4, LOOP_CLR_FD [pid 8036] <... ftruncate resumed>) = 0 [pid 8044] <... rseq resumed>) = 0 [pid 8036] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8035] <... ioctl resumed>) = 0 [pid 8031] <... openat resumed>) = 3 [pid 5052] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8035] close(4 [pid 8031] chdir("./file0" [pid 8035] <... close resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8035] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8036] <... futex resumed>) = 1 [pid 8031] <... chdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8044] set_robust_list(0x7f8728ba99a0, 24 [pid 8034] <... futex resumed>) = 0 [pid 8034] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8034] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8044] <... set_robust_list resumed>) = 0 [pid 8036] creat("./bus", 040 [pid 8035] <... futex resumed>) = 1 [pid 8032] <... futex resumed>) = 0 [pid 8031] ioctl(4, LOOP_CLR_FD [pid 5052] <... openat resumed>) = 4 [pid 8044] rt_sigprocmask(SIG_SETMASK, [], [pid 8036] <... creat resumed>) = 5 [pid 8035] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8032] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] <... ioctl resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 8044] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 275.046123][ T29] audit: type=1800 audit(1698988419.804:970): pid=8036 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 275.059718][ T8038] reiserfs: using flush barriers [pid 8035] <... open resumed>) = 4 [pid 8032] <... futex resumed>) = 0 [pid 8031] close(4 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8044] memfd_create("syzkaller", 0 [pid 8035] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8032] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8031] <... close resumed>) = 0 [pid 5052] getdents64(4, [pid 8044] <... memfd_create resumed>) = 3 [pid 8035] <... futex resumed>) = 0 [pid 8032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8031] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8032] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] <... futex resumed>) = 1 [pid 8029] <... futex resumed>) = 0 [pid 5052] getdents64(4, [pid 8044] <... mmap resumed>) = 0x7f8720789000 [pid 8035] ftruncate(4, 33587195 [pid 8032] <... futex resumed>) = 0 [pid 8031] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8029] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8036] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8034] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8029] <... futex resumed>) = 0 [pid 5052] close(4 [pid 8034] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8032] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8029] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 8034] <... futex resumed>) = 0 [pid 5052] rmdir("./162/file0" [pid 8034] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8036] <... futex resumed>) = 1 [pid 5052] <... rmdir resumed>) = 0 [pid 8034] <... futex resumed>) = 0 [pid 8036] mkdirat(AT_FDCWD, "./file0", 000 [pid 8034] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=49000000} [pid 8031] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] getdents64(3, [pid 8036] <... mkdirat resumed>) = 0 [pid 8035] <... ftruncate resumed>) = 0 [pid 8031] <... open resumed>) = 4 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8035] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8032] <... futex resumed>) = 0 [pid 8032] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8035] creat("./bus", 040 [pid 8032] <... futex resumed>) = 0 [pid 8036] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8032] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8031] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 8031] <... futex resumed>) = 1 [pid 8029] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8036] <... futex resumed>) = 1 [pid 8031] ftruncate(4, 33587195 [pid 8029] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] rmdir("./162" [pid 8034] <... futex resumed>) = 0 [pid 8029] <... futex resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8035] <... creat resumed>) = 5 [pid 8034] exit_group(0 [pid 8031] <... ftruncate resumed>) = 0 [pid 8029] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] mkdir("./163", 0777 [pid 8034] <... exit_group resumed>) = ? [pid 8035] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... mkdir resumed>) = 0 [pid 8035] <... futex resumed>) = 1 [pid 8032] <... futex resumed>) = 0 [ 275.092264][ T29] audit: type=1800 audit(1698988419.844:971): pid=8035 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 275.117451][ T8038] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8032] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8036] +++ exited with 0 +++ [pid 8035] mkdirat(AT_FDCWD, "./file0", 000 [pid 8034] +++ exited with 0 +++ [pid 8032] <... futex resumed>) = 0 [pid 8031] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8032] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8034, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5052] <... openat resumed>) = 3 [pid 8035] <... mkdirat resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8035] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8031] <... futex resumed>) = 1 [pid 8029] <... futex resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8035] <... futex resumed>) = 1 [pid 8032] <... futex resumed>) = 0 [pid 8029] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 8035] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8032] exit_group(0 [pid 8029] <... futex resumed>) = 0 [pid 8035] <... futex resumed>) = ? [pid 8032] <... exit_group resumed>) = ? [pid 8029] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 8031] creat("./bus", 040 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8035] +++ exited with 0 +++ [pid 8032] +++ exited with 0 +++ [pid 8031] <... creat resumed>) = 5 [pid 5055] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8032, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5055] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8045 ./strace-static-x86_64: Process 8045 attached [pid 5055] <... openat resumed>) = 3 [pid 5051] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8031] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8045] set_robust_list(0x55555656d6a0, 24 [pid 8044] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8031] <... futex resumed>) = 1 [pid 8029] <... futex resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 5051] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8045] <... set_robust_list resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8029] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... openat resumed>) = 3 [pid 8029] <... futex resumed>) = 0 [pid 5051] newfstatat(3, "", [pid 8031] mkdirat(AT_FDCWD, "./file0", 000 [pid 8029] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8045] chdir("./163" [pid 8031] <... mkdirat resumed>) = 0 [pid 5055] getdents64(3, [pid 5051] getdents64(3, [pid 8045] <... chdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8031] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] newfstatat(AT_FDCWD, "./159/binderfs", [pid 8031] <... futex resumed>) = 1 [pid 8029] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8029] exit_group(0 [pid 5055] unlink("./159/binderfs" [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8045] setpgid(0, 0) = 0 [pid 8029] <... exit_group resumed>) = ? [pid 5055] <... unlink resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./165/binderfs", [pid 8045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8031] +++ exited with 0 +++ [pid 8029] +++ exited with 0 +++ [pid 5055] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8045] <... openat resumed>) = 3 [pid 5051] unlink("./165/binderfs" [pid 8045] write(3, "1000", 4 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8029, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5051] <... unlink resumed>) = 0 [pid 8045] <... write resumed>) = 4 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [ 275.193753][ T29] audit: type=1800 audit(1698988419.914:972): pid=8031 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 275.225940][ T8038] REISERFS (device loop2): checking transaction log (loop2) [pid 5051] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8045] close(3 [pid 5056] <... restart_syscall resumed>) = 0 [pid 5056] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./161/binderfs", [pid 8045] <... close resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8045] symlink("/dev/binderfs", "./binderfs" [pid 5056] unlink("./161/binderfs" [pid 8045] <... symlink resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 8045] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8045] <... futex resumed>) = 0 [pid 8045] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8038] <... mount resumed>) = 0 [pid 8045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8038] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8038] <... openat resumed>) = 3 [pid 8045] <... mmap resumed>) = 0x7f8728b89000 [pid 8038] chdir("./file0" [pid 8045] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8038] <... chdir resumed>) = 0 [pid 8045] <... mprotect resumed>) = 0 [pid 8038] ioctl(4, LOOP_CLR_FD) = 0 [pid 8045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8038] close(4) = 0 [ 275.249475][ T8038] REISERFS (device loop2): Using tea hash to sort names [ 275.266829][ T8038] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8038] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8038] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8037] <... futex resumed>) = 0 [pid 8037] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8038] <... futex resumed>) = 0 [pid 8037] <... futex resumed>) = 1 [pid 8038] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8037] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8038] <... open resumed>) = 4 ./strace-static-x86_64: Process 8046 attached [pid 8046] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8045] <... clone3 resumed> => {parent_tid=[8046]}, 88) = 8046 [pid 8046] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8046] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8045] rt_sigprocmask(SIG_SETMASK, [], [pid 8038] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8038] <... futex resumed>) = 1 [pid 8037] <... futex resumed>) = 0 [ 275.313669][ T29] audit: type=1800 audit(1698988420.064:973): pid=8038 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 8046] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8045] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8038] ftruncate(4, 33587195 [pid 8037] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8037] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8045] <... futex resumed>) = 0 [pid 8045] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8038] <... ftruncate resumed>) = 0 [pid 8046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8046] memfd_create("syzkaller", 0 [pid 8038] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... memfd_create resumed>) = 3 [pid 8044] <... write resumed>) = 4194304 [pid 8038] <... futex resumed>) = 1 [pid 8037] <... futex resumed>) = 0 [pid 8046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8044] munmap(0x7f8720789000, 138412032 [pid 8038] creat("./bus", 040 [pid 8037] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... mmap resumed>) = 0x7f8720789000 [pid 8037] <... futex resumed>) = 0 [pid 8038] <... creat resumed>) = 5 [pid 8037] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = 0 [pid 5056] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./161/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, [pid 8044] <... munmap resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./161/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./161" [pid 8044] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8038] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8037] <... futex resumed>) = 0 [pid 8044] <... openat resumed>) = 4 [pid 8038] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8037] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 8037] <... futex resumed>) = 0 [pid 8038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8037] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8044] ioctl(4, LOOP_SET_FD, 3 [pid 8038] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] mkdir("./162", 0777) = 0 [pid 8038] <... mkdirat resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 8044] <... ioctl resumed>) = 0 [pid 8038] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = 0 [pid 8044] close(3 [pid 8038] <... futex resumed>) = 1 [pid 8037] <... futex resumed>) = 0 [pid 8044] <... close resumed>) = 0 [pid 8038] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8037] exit_group(0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8044] mkdir("./file0", 0777 [pid 8038] <... futex resumed>) = ? [pid 8037] <... exit_group resumed>) = ? [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8044] <... mkdir resumed>) = 0 [pid 8038] +++ exited with 0 +++ [pid 8037] +++ exited with 0 +++ [pid 5056] close(3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = 0 [pid 8046] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... close resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./159/file0", [pid 8044] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5051] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8037, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} --- [pid 5053] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./165/file0", [pid 5053] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5051] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(3, "", [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] getdents64(3, [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... openat resumed>) = 4 ./strace-static-x86_64: Process 8048 attached [pid 5055] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(4, "", [pid 8048] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] newfstatat(AT_FDCWD, "./161/binderfs", [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8048] <... set_robust_list resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8048 [pid 5055] <... openat resumed>) = 4 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] getdents64(4, [pid 8048] chdir("./162" [pid 5055] newfstatat(4, "", [pid 5053] unlink("./161/binderfs" [pid 8048] <... chdir resumed>) = 0 [ 275.453474][ T8044] loop3: detected capacity change from 0 to 8192 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./159/file0") = 0 [pid 5055] getdents64(3, [pid 5053] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8048] <... prctl resumed>) = 0 [pid 5051] getdents64(4, [pid 8048] setpgid(0, 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8048] <... setpgid resumed>) = 0 [pid 5051] close(4 [pid 8048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./165/file0" [pid 8048] <... openat resumed>) = 3 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 8048] write(3, "1000", 4 [pid 5051] getdents64(3, [pid 8048] <... write resumed>) = 4 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8048] close(3 [pid 5051] close(3 [pid 8048] <... close resumed>) = 0 [pid 8048] symlink("/dev/binderfs", "./binderfs" [pid 5055] close(3 [pid 5051] <... close resumed>) = 0 [pid 8048] <... symlink resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5051] rmdir("./165" [pid 8048] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] rmdir("./159" [pid 8048] <... futex resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 8048] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] mkdir("./160", 0777 [pid 5051] mkdir("./166", 0777 [pid 8048] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] <... mkdir resumed>) = 0 [pid 8048] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8048] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8048] <... mprotect resumed>) = 0 [pid 8048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] close(3 [pid 8048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... close resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8048] <... clone3 resumed> => {parent_tid=[8049]}, 88) = 8049 [pid 5051] close(3./strace-static-x86_64: Process 8050 attached [pid 8048] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8050 [pid 5051] <... close resumed>) = 0 [pid 8050] set_robust_list(0x55555656d6a0, 24 [pid 8048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8049 attached [pid 8050] <... set_robust_list resumed>) = 0 [pid 8048] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] chdir("./160" [pid 8049] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8048] <... futex resumed>) = 0 [pid 8050] <... chdir resumed>) = 0 [pid 8048] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8051 [pid 8050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8049] <... rseq resumed>) = 0 [pid 8050] setpgid(0, 0) = 0 [pid 8050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 275.498351][ T8044] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.538524][ T8044] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8049] set_robust_list(0x7f8728ba99a0, 24./strace-static-x86_64: Process 8051 attached ) = 0 [pid 8050] <... openat resumed>) = 3 [pid 8050] write(3, "1000", 4) = 4 [pid 8051] set_robust_list(0x55555656d6a0, 24 [pid 8050] close(3 [pid 8049] rt_sigprocmask(SIG_SETMASK, [], [pid 8050] <... close resumed>) = 0 [pid 8050] symlink("/dev/binderfs", "./binderfs" [pid 8051] <... set_robust_list resumed>) = 0 [pid 8049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8051] chdir("./166" [pid 8050] <... symlink resumed>) = 0 [pid 8049] memfd_create("syzkaller", 0 [pid 8046] <... write resumed>) = 4194304 [pid 8051] <... chdir resumed>) = 0 [pid 8050] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8049] <... memfd_create resumed>) = 3 [pid 8046] munmap(0x7f8720789000, 138412032 [pid 8051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8051] <... prctl resumed>) = 0 [pid 8049] <... mmap resumed>) = 0x7f8720789000 [pid 8051] setpgid(0, 0 [pid 8050] <... futex resumed>) = 0 [pid 8046] <... munmap resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 8051] <... setpgid resumed>) = 0 [pid 8051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8051] write(3, "1000", 4) = 4 [pid 8051] close(3) = 0 [pid 8051] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8051] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8046] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5053] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8050] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8046] <... openat resumed>) = 4 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8046] ioctl(4, LOOP_SET_FD, 3 [pid 5053] newfstatat(AT_FDCWD, "./161/file0", [pid 8050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8051] <... futex resumed>) = 0 [pid 8051] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8051] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 275.579786][ T8044] REISERFS (device loop3): using ordered data mode [ 275.596156][ T8044] reiserfs: using flush barriers [ 275.606895][ T8044] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8051] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8051] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8050] <... mmap resumed>) = 0x7f8728b89000 [pid 8046] <... ioctl resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8050] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8046] close(3 [pid 5053] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8050] <... mprotect resumed>) = 0 [pid 8046] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8046] mkdir("./file0", 0777 [pid 8051] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8049] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8046] <... mkdir resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 8051] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8052]}, 88) = 8052 [pid 8051] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8052 attached NULL, 8) = 0 [pid 8052] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8051] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] <... rseq resumed>) = 0 [pid 8051] <... futex resumed>) = 0 [pid 8050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8046] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] newfstatat(4, "", [pid 8052] set_robust_list(0x7f8728ba99a0, 24 [pid 8051] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8052] <... set_robust_list resumed>) = 0 [pid 8050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8052] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8054 attached NULL, 8) = 0 [ 275.626514][ T8046] loop1: detected capacity change from 0 to 8192 [ 275.646174][ T8044] REISERFS (device loop3): checking transaction log (loop3) [ 275.662922][ T8044] REISERFS (device loop3): Using tea hash to sort names [pid 5053] getdents64(4, [pid 8054] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8052] memfd_create("syzkaller", 0 [pid 8050] <... clone3 resumed> => {parent_tid=[8054]}, 88) = 8054 [pid 8052] <... memfd_create resumed>) = 3 [pid 8054] <... rseq resumed>) = 0 [pid 8052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8050] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] getdents64(4, [pid 8050] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8054] set_robust_list(0x7f8728ba99a0, 24 [pid 8050] <... futex resumed>) = 0 [pid 5053] close(4 [pid 8054] <... set_robust_list resumed>) = 0 [pid 8050] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... close resumed>) = 0 [pid 8054] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] rmdir("./161/file0" [pid 8054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 8054] memfd_create("syzkaller", 0 [pid 5053] getdents64(3, [pid 8054] <... memfd_create resumed>) = 3 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8052] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] close(3 [pid 8054] <... mmap resumed>) = 0x7f8720789000 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./161") = 0 [pid 5053] mkdir("./162", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 275.679510][ T8046] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.704416][ T8044] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 275.710595][ T8046] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 275.722892][ T8046] REISERFS (device loop1): using ordered data mode [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8055 ./strace-static-x86_64: Process 8055 attached [pid 8044] <... mount resumed>) = 0 [pid 8055] set_robust_list(0x55555656d6a0, 24 [pid 8044] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8055] <... set_robust_list resumed>) = 0 [pid 8044] <... openat resumed>) = 3 [pid 8055] chdir("./162" [pid 8044] chdir("./file0" [pid 8055] <... chdir resumed>) = 0 [pid 8044] <... chdir resumed>) = 0 [pid 8055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8044] ioctl(4, LOOP_CLR_FD [pid 8055] setpgid(0, 0 [pid 8044] <... ioctl resumed>) = 0 [pid 8055] <... setpgid resumed>) = 0 [pid 8044] close(4 [pid 8055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8044] <... close resumed>) = 0 [ 275.743659][ T8046] reiserfs: using flush barriers [ 275.750932][ T8046] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 275.768397][ T8046] REISERFS (device loop1): checking transaction log (loop1) [ 275.777578][ T8046] REISERFS (device loop1): Using tea hash to sort names [pid 8055] <... openat resumed>) = 3 [pid 8044] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] write(3, "1000", 4 [pid 8044] <... futex resumed>) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8055] <... write resumed>) = 4 [pid 8054] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8046] <... mount resumed>) = 0 [pid 8044] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] close(3 [pid 8044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8043] <... futex resumed>) = 0 [pid 8055] <... close resumed>) = 0 [pid 8044] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8043] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8055] symlink("/dev/binderfs", "./binderfs" [pid 8044] <... open resumed>) = 4 [pid 8055] <... symlink resumed>) = 0 [pid 8046] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8044] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8046] <... openat resumed>) = 3 [pid 8044] <... futex resumed>) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8055] <... futex resumed>) = 0 [pid 8046] chdir("./file0" [pid 8044] ftruncate(4, 33587195 [pid 8043] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8046] <... chdir resumed>) = 0 [pid 8044] <... ftruncate resumed>) = 0 [pid 8043] <... futex resumed>) = 0 [pid 8055] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8046] ioctl(4, LOOP_CLR_FD [pid 8044] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8043] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8055] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8046] <... ioctl resumed>) = 0 [pid 8044] <... futex resumed>) = 0 [pid 8043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 275.785468][ T8046] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8049] <... write resumed>) = 4194304 [pid 8046] close(4 [pid 8043] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8043] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8044] creat("./bus", 040 [pid 8055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8049] munmap(0x7f8720789000, 138412032 [pid 8046] <... close resumed>) = 0 [pid 8044] <... creat resumed>) = 5 [pid 8055] <... mmap resumed>) = 0x7f8728b89000 [pid 8046] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8046] <... futex resumed>) = 1 [pid 8045] <... futex resumed>) = 0 [pid 8055] <... mprotect resumed>) = 0 [pid 8046] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8045] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8049] <... munmap resumed>) = 0 [pid 8046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8045] <... futex resumed>) = 0 [pid 8055] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8049] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8046] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8045] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8055] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8056 attached [pid 8049] <... openat resumed>) = 4 [pid 8046] <... open resumed>) = 4 [pid 8056] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8055] <... clone3 resumed> => {parent_tid=[8056]}, 88) = 8056 [pid 8049] ioctl(4, LOOP_SET_FD, 3 [pid 8046] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8056] <... rseq resumed>) = 0 [pid 8055] rt_sigprocmask(SIG_SETMASK, [], [pid 8046] <... futex resumed>) = 1 [pid 8045] <... futex resumed>) = 0 [pid 8056] set_robust_list(0x7f8728ba99a0, 24 [pid 8055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8054] <... write resumed>) = 4194304 [pid 8049] <... ioctl resumed>) = 0 [pid 8046] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8045] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8056] <... set_robust_list resumed>) = 0 [pid 8055] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... futex resumed>) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8056] rt_sigprocmask(SIG_SETMASK, [], [pid 8055] <... futex resumed>) = 0 [pid 8054] munmap(0x7f8720789000, 138412032 [pid 8045] <... futex resumed>) = 0 [pid 8043] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8045] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8043] <... futex resumed>) = 0 [pid 8044] mkdirat(AT_FDCWD, "./file0", 000 [pid 8043] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8054] <... munmap resumed>) = 0 [pid 8046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8044] <... mkdirat resumed>) = 0 [pid 8056] memfd_create("syzkaller", 0 [pid 8054] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8049] close(3 [pid 8046] ftruncate(4, 33587195 [pid 8044] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8056] <... memfd_create resumed>) = 3 [pid 8044] <... futex resumed>) = 1 [pid 8043] <... futex resumed>) = 0 [pid 8056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8054] <... openat resumed>) = 4 [pid 8052] <... write resumed>) = 4194304 [pid 8049] <... close resumed>) = 0 [pid 8046] <... ftruncate resumed>) = 0 [pid 8044] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8043] exit_group(0 [pid 8056] <... mmap resumed>) = 0x7f8720789000 [pid 8054] ioctl(4, LOOP_SET_FD, 3 [pid 8052] munmap(0x7f8720789000, 138412032 [pid 8049] mkdir("./file0", 0777 [pid 8046] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8044] <... futex resumed>) = ? [pid 8043] <... exit_group resumed>) = ? [pid 8046] <... futex resumed>) = 1 [pid 8045] <... futex resumed>) = 0 [pid 8044] +++ exited with 0 +++ [pid 8043] +++ exited with 0 +++ [pid 8046] creat("./bus", 040 [pid 8045] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8043, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8045] <... futex resumed>) = 0 [pid 8045] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8049] <... mkdir resumed>) = 0 [pid 8052] <... munmap resumed>) = 0 [pid 5054] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8046] <... creat resumed>) = 5 [pid 5054] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8046] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 8052] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8049] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8046] <... futex resumed>) = 1 [pid 8045] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8046] mkdirat(AT_FDCWD, "./file0", 000 [pid 8045] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8052] <... openat resumed>) = 4 [pid 8046] <... mkdirat resumed>) = 0 [pid 8045] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 275.863712][ T8049] loop5: detected capacity change from 0 to 8192 [ 275.899946][ T8054] loop4: detected capacity change from 0 to 8192 [pid 8052] ioctl(4, LOOP_SET_FD, 3 [pid 8046] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8045] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] newfstatat(AT_FDCWD, "./159/binderfs", [pid 8046] <... futex resumed>) = 0 [pid 8045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8054] <... ioctl resumed>) = 0 [pid 8046] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8045] exit_group(0 [pid 5054] unlink("./159/binderfs" [pid 8054] close(3 [pid 8046] <... futex resumed>) = ? [pid 8045] <... exit_group resumed>) = ? [pid 5054] <... unlink resumed>) = 0 [pid 8054] <... close resumed>) = 0 [pid 8052] <... ioctl resumed>) = 0 [pid 5054] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8046] +++ exited with 0 +++ [pid 8045] +++ exited with 0 +++ [pid 8054] mkdir("./file0", 0777 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8045, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8054] <... mkdir resumed>) = 0 [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 8054] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] <... restart_syscall resumed>) = 0 [pid 8052] close(3) = 0 [ 275.926281][ T8052] loop0: detected capacity change from 0 to 8192 [ 275.933140][ T8049] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 275.958270][ T8054] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5052] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8052] mkdir("./file0", 0777 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./163/binderfs") = 0 [pid 5052] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8052] <... mkdir resumed>) = 0 [pid 8052] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 275.971629][ T8049] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 276.014623][ T8052] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.028291][ T8049] REISERFS (device loop5): using ordered data mode [pid 8056] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 8056] munmap(0x7f8720789000, 138412032) = 0 [pid 8056] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 276.055025][ T8054] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 276.059496][ T8049] reiserfs: using flush barriers [ 276.073832][ T8052] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 276.086319][ T8052] REISERFS (device loop0): using ordered data mode [ 276.090252][ T8056] loop2: detected capacity change from 0 to 8192 [ 276.092989][ T8052] reiserfs: using flush barriers [pid 8056] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5054] <... umount2 resumed>) = 0 [ 276.101654][ T8049] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.104677][ T8054] REISERFS (device loop4): using ordered data mode [ 276.128287][ T8054] reiserfs: using flush barriers [ 276.135930][ T8049] REISERFS (device loop5): checking transaction log (loop5) [pid 8056] close(3) = 0 [pid 8056] mkdir("./file0", 0777) = 0 [pid 5054] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8056] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./159/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./159") = 0 [ 276.140157][ T8054] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.162365][ T8052] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.178645][ T8049] REISERFS (device loop5): Using tea hash to sort names [ 276.194327][ T8049] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] mkdir("./160", 0777 [pid 8049] <... mount resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 8049] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8049] <... openat resumed>) = 3 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8061 [pid 8049] chdir("./file0" [pid 5052] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8061 attached [pid 8049] <... chdir resumed>) = 0 [pid 8061] set_robust_list(0x55555656d6a0, 24 [ 276.204545][ T8056] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.224729][ T8052] REISERFS (device loop0): checking transaction log (loop0) [ 276.240109][ T8056] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8049] ioctl(4, LOOP_CLR_FD [pid 8061] <... set_robust_list resumed>) = 0 [pid 8049] <... ioctl resumed>) = 0 [pid 5052] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8061] chdir("./160" [pid 8049] close(4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8061] <... chdir resumed>) = 0 [pid 8049] <... close resumed>) = 0 [pid 8061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8049] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./163/file0", [pid 8061] <... prctl resumed>) = 0 [pid 8049] <... futex resumed>) = 1 [pid 8048] <... futex resumed>) = 0 [pid 8061] setpgid(0, 0 [pid 8049] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8048] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8061] <... setpgid resumed>) = 0 [pid 8049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8048] <... futex resumed>) = 0 [pid 5052] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8049] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8048] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8049] <... open resumed>) = 4 [pid 8061] <... openat resumed>) = 3 [pid 8049] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8061] write(3, "1000", 4 [pid 8049] <... futex resumed>) = 1 [pid 8048] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 8049] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8048] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(4, "", [pid 8049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8048] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8049] ftruncate(4, 33587195 [pid 8048] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8049] <... ftruncate resumed>) = 0 [pid 5052] getdents64(4, [pid 8049] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8048] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8049] creat("./bus", 040 [pid 8048] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 8061] <... write resumed>) = 4 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8048] <... futex resumed>) = 0 [pid 8048] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] close(4) = 0 [pid 8061] close(3 [pid 8049] <... creat resumed>) = 5 [pid 5052] rmdir("./163/file0" [pid 8061] <... close resumed>) = 0 [pid 8061] symlink("/dev/binderfs", "./binderfs" [pid 5052] <... rmdir resumed>) = 0 [pid 8061] <... symlink resumed>) = 0 [pid 8061] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 8061] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8049] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 8061] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8049] <... futex resumed>) = 1 [pid 8048] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [ 276.250772][ T8052] REISERFS (device loop0): Using tea hash to sort names [ 276.265641][ T8054] REISERFS (device loop4): checking transaction log (loop4) [ 276.272216][ T8056] REISERFS (device loop2): using ordered data mode [ 276.283224][ T8056] reiserfs: using flush barriers [ 276.284588][ T8052] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8061] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8049] mkdirat(AT_FDCWD, "./file0", 000 [pid 8048] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] rmdir("./163" [pid 8061] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8048] <... futex resumed>) = 0 [pid 8049] <... mkdirat resumed>) = 0 [pid 8061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8049] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8048] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... rmdir resumed>) = 0 [pid 8061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8049] <... futex resumed>) = 0 [pid 5052] mkdir("./164", 0777 [pid 8061] <... mmap resumed>) = 0x7f8728b89000 [pid 8048] exit_group(0 [pid 8061] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8048] <... exit_group resumed>) = ? [pid 5052] <... mkdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 8049] +++ exited with 0 +++ [pid 8048] +++ exited with 0 +++ [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8061] <... mprotect resumed>) = 0 [pid 8061] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8048, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} --- [pid 8061] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8052] <... mount resumed>) = 0 [pid 5056] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8052] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 276.308523][ T8056] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.325901][ T8056] REISERFS (device loop2): checking transaction log (loop2) [ 276.337442][ T8056] REISERFS (device loop2): Using tea hash to sort names [ 276.343713][ T8054] REISERFS (device loop4): Using tea hash to sort names [pid 8061] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8052] <... openat resumed>) = 3 [pid 5056] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8062 ./strace-static-x86_64: Process 8063 attached ./strace-static-x86_64: Process 8062 attached [pid 8056] <... mount resumed>) = 0 [pid 8052] chdir("./file0" [pid 5056] <... openat resumed>) = 3 [pid 8063] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8052] <... chdir resumed>) = 0 [pid 8063] <... rseq resumed>) = 0 [pid 8056] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8052] ioctl(4, LOOP_CLR_FD [pid 5056] newfstatat(3, "", [pid 8052] <... ioctl resumed>) = 0 [pid 8062] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8063] set_robust_list(0x7f8728ba99a0, 24 [pid 8062] <... set_robust_list resumed>) = 0 [pid 8061] <... clone3 resumed> => {parent_tid=[8063]}, 88) = 8063 [pid 8056] <... openat resumed>) = 3 [pid 8054] <... mount resumed>) = 0 [pid 8052] close(4 [pid 5056] getdents64(3, [pid 8063] <... set_robust_list resumed>) = 0 [pid 8061] rt_sigprocmask(SIG_SETMASK, [], [pid 8056] chdir("./file0" [pid 8052] <... close resumed>) = 0 [pid 8061] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8061] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8061] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8063] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] newfstatat(AT_FDCWD, "./162/binderfs", [pid 8063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8063] memfd_create("syzkaller", 0 [pid 8062] chdir("./164" [pid 8056] <... chdir resumed>) = 0 [pid 8054] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8052] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] unlink("./162/binderfs" [pid 8063] <... memfd_create resumed>) = 3 [pid 8062] <... chdir resumed>) = 0 [pid 8056] ioctl(4, LOOP_CLR_FD [pid 8054] <... openat resumed>) = 3 [pid 8052] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 8063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8056] <... ioctl resumed>) = 0 [pid 8052] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8051] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] chdir("./file0" [pid 8063] <... mmap resumed>) = 0x7f8720789000 [pid 8062] <... prctl resumed>) = 0 [pid 8056] close(4 [pid 8054] <... chdir resumed>) = 0 [pid 8051] <... futex resumed>) = 0 [pid 5056] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8062] setpgid(0, 0 [pid 8056] <... close resumed>) = 0 [pid 8054] ioctl(4, LOOP_CLR_FD [pid 8052] <... open resumed>) = 4 [pid 8051] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8056] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... ioctl resumed>) = 0 [pid 8062] <... setpgid resumed>) = 0 [pid 8056] <... futex resumed>) = 1 [pid 8055] <... futex resumed>) = 0 [pid 8054] close(4 [pid 8052] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8056] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8055] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... close resumed>) = 0 [pid 8052] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [ 276.344886][ T8056] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 276.351684][ T8054] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8062] <... openat resumed>) = 3 [pid 8056] <... open resumed>) = 4 [pid 8055] <... futex resumed>) = 0 [pid 8054] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] ftruncate(4, 33587195 [pid 8051] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8054] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8050] <... futex resumed>) = 0 [pid 8054] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8050] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8054] <... open resumed>) = 4 [pid 8051] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8050] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8054] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] write(3, "1000", 4 [pid 8056] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... futex resumed>) = 1 [pid 8052] <... ftruncate resumed>) = 0 [pid 8050] <... futex resumed>) = 0 [pid 8062] <... write resumed>) = 4 [pid 8056] <... futex resumed>) = 1 [pid 8055] <... futex resumed>) = 0 [pid 8054] ftruncate(4, 33587195 [pid 8050] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] <... futex resumed>) = 0 [pid 8056] ftruncate(4, 33587195 [pid 8055] <... futex resumed>) = 0 [pid 8050] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8062] close(3 [pid 8055] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8054] <... ftruncate resumed>) = 0 [pid 8052] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] <... close resumed>) = 0 [pid 8062] symlink("/dev/binderfs", "./binderfs" [pid 8056] <... ftruncate resumed>) = 0 [pid 8054] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8062] <... symlink resumed>) = 0 [pid 8056] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... futex resumed>) = 1 [pid 8052] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8051] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] <... futex resumed>) = 0 [pid 8056] <... futex resumed>) = 1 [pid 8055] <... futex resumed>) = 0 [pid 8054] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8051] <... futex resumed>) = 0 [pid 8050] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8056] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8055] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8052] creat("./bus", 040 [pid 8051] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8062] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] <... futex resumed>) = 0 [pid 8056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8055] <... futex resumed>) = 0 [pid 8054] creat("./bus", 040 [pid 8052] <... creat resumed>) = 5 [pid 8050] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8062] <... futex resumed>) = 0 [pid 8056] creat("./bus", 040 [pid 8055] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8062] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8056] <... creat resumed>) = 5 [pid 8052] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8052] <... futex resumed>) = 1 [pid 8051] <... futex resumed>) = 0 [pid 8062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8054] <... creat resumed>) = 5 [pid 8052] mkdirat(AT_FDCWD, "./file0", 000 [pid 8051] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8056] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] <... mkdirat resumed>) = 0 [pid 8051] <... futex resumed>) = 0 [pid 8051] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8056] <... futex resumed>) = 1 [pid 8062] <... mmap resumed>) = 0x7f8728b89000 [pid 8055] <... futex resumed>) = 0 [pid 8054] <... futex resumed>) = 1 [pid 8052] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] <... futex resumed>) = 0 [pid 8062] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8055] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8054] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8052] <... futex resumed>) = 1 [pid 8050] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8055] <... futex resumed>) = 0 [pid 8054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8050] <... futex resumed>) = 0 [pid 8055] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8056] mkdirat(AT_FDCWD, "./file0", 000 [pid 8054] mkdirat(AT_FDCWD, "./file0", 000 [pid 8052] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8050] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8051] <... futex resumed>) = 0 [pid 8051] exit_group(0) = ? [pid 8054] <... mkdirat resumed>) = 0 [pid 8052] <... futex resumed>) = ? [pid 8062] <... mprotect resumed>) = 0 [pid 8056] <... mkdirat resumed>) = 0 [pid 8054] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8052] +++ exited with 0 +++ [pid 8051] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8051, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 8062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8056] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8050] <... futex resumed>) = 0 [pid 8062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8056] <... futex resumed>) = 1 [pid 8055] <... futex resumed>) = 0 [pid 8062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8054] <... futex resumed>) = 1 [pid 8050] exit_group(0 [pid 8056] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8055] exit_group(0 [pid 8050] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 8064 attached [pid 8062] <... clone3 resumed> => {parent_tid=[8064]}, 88) = 8064 [pid 8056] <... futex resumed>) = ? [pid 8055] <... exit_group resumed>) = ? [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 8064] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8062] rt_sigprocmask(SIG_SETMASK, [], [pid 8056] +++ exited with 0 +++ [pid 5051] <... restart_syscall resumed>) = 0 [pid 5051] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8064] <... rseq resumed>) = 0 [pid 8062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8055] +++ exited with 0 +++ [pid 8054] +++ exited with 0 +++ [pid 8050] +++ exited with 0 +++ [pid 8064] set_robust_list(0x7f8728ba99a0, 24 [pid 8062] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... openat resumed>) = 3 [pid 8064] <... set_robust_list resumed>) = 0 [pid 8062] <... futex resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8050, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8055, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5051] newfstatat(3, "", [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 5053] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8064] rt_sigprocmask(SIG_SETMASK, [], [pid 8062] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... restart_syscall resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8064] memfd_create("syzkaller", 0 [pid 5051] getdents64(3, [pid 8064] <... memfd_create resumed>) = 3 [pid 5053] <... openat resumed>) = 3 [pid 8064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(3, "", [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8064] <... mmap resumed>) = 0x7f8720789000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, [pid 5055] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./162/binderfs", [pid 5055] <... openat resumed>) = 3 [pid 5051] newfstatat(AT_FDCWD, "./166/binderfs", [pid 5056] <... umount2 resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8063] <... write resumed>) = 4194304 [pid 5053] unlink("./162/binderfs" [pid 8063] munmap(0x7f8720789000, 138412032 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] unlink("./166/binderfs") = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5051] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] getdents64(3, [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./162/file0", [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./160/binderfs", [pid 8063] <... munmap resumed>) = 0 [pid 5056] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5055] unlink("./160/binderfs" [pid 8063] <... openat resumed>) = 4 [pid 8063] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... unlink resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./162/file0") = 0 [pid 5055] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8064] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./162") = 0 [pid 5056] mkdir("./163", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8063] <... ioctl resumed>) = 0 [pid 8063] close(3) = 0 [pid 8063] mkdir("./file0", 0777./strace-static-x86_64: Process 8065 attached [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8065 [ 276.593223][ T8063] loop3: detected capacity change from 0 to 8192 [pid 8065] set_robust_list(0x55555656d6a0, 24 [pid 8063] <... mkdir resumed>) = 0 [pid 8065] <... set_robust_list resumed>) = 0 [pid 8065] chdir("./163" [pid 8063] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8065] <... chdir resumed>) = 0 [pid 8065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8065] setpgid(0, 0 [pid 5055] <... umount2 resumed>) = 0 [pid 8065] <... setpgid resumed>) = 0 [pid 5055] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8065] <... openat resumed>) = 3 [pid 5055] newfstatat(AT_FDCWD, "./160/file0", [pid 8065] write(3, "1000", 4) = 4 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8065] close(3 [pid 5055] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8065] <... close resumed>) = 0 [pid 8065] symlink("/dev/binderfs", "./binderfs" [pid 5055] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8065] <... symlink resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 276.669622][ T8063] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8065] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 8065] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8065] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] getdents64(4, [pid 8065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] close(4 [pid 8065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... close resumed>) = 0 [pid 8065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] rmdir("./160/file0" [pid 8065] <... mmap resumed>) = 0x7f8728b89000 [pid 8065] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... rmdir resumed>) = 0 [pid 8065] <... mprotect resumed>) = 0 [pid 5055] getdents64(3, [pid 8065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] close(3./strace-static-x86_64: Process 8067 attached [pid 8067] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8067] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8065] <... clone3 resumed> => {parent_tid=[8067]}, 88) = 8067 [pid 5055] <... close resumed>) = 0 [pid 8067] rt_sigprocmask(SIG_SETMASK, [], [pid 8065] rt_sigprocmask(SIG_SETMASK, [], [pid 8067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8067] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8065] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] <... futex resumed>) = 0 [pid 8065] <... futex resumed>) = 1 [pid 8067] memfd_create("syzkaller", 0 [pid 8065] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] rmdir("./160" [pid 8067] <... memfd_create resumed>) = 3 [pid 8067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8067] <... mmap resumed>) = 0x7f8720789000 [ 276.725448][ T8063] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 276.763580][ T8063] REISERFS (device loop3): using ordered data mode [pid 5053] <... umount2 resumed>) = 0 [pid 5055] mkdir("./161", 0777 [pid 5051] <... umount2 resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./166/file0", [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] newfstatat(AT_FDCWD, "./162/file0", [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] close(3 [pid 5053] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8064] <... write resumed>) = 4194304 [pid 5053] <... openat resumed>) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./162/file0") = 0 [pid 5053] getdents64(3, [pid 5051] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] <... close resumed>) = 0 [pid 5053] close(3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./162" [pid 8064] munmap(0x7f8720789000, 138412032 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8064] <... munmap resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] mkdir("./163", 0777 [pid 5051] <... openat resumed>) = 4 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] newfstatat(4, "", ./strace-static-x86_64: Process 8068 attached [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8068 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, [pid 8068] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8064] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5053] <... openat resumed>) = 3 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8068] chdir("./161" [pid 8064] <... openat resumed>) = 4 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] getdents64(4, [pid 8068] <... chdir resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] close(3 [pid 5051] close(4 [pid 8068] <... prctl resumed>) = 0 [ 276.790496][ T8063] reiserfs: using flush barriers [ 276.803877][ T8063] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 276.832075][ T8063] REISERFS (device loop3): checking transaction log (loop3) [pid 5053] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 8064] ioctl(4, LOOP_SET_FD, 3 [pid 8068] setpgid(0, 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] rmdir("./166/file0" [pid 8068] <... setpgid resumed>) = 0 [pid 8068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... rmdir resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8069 [pid 5051] getdents64(3, [pid 8068] <... openat resumed>) = 3 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8068] write(3, "1000", 4 [pid 5051] close(3 [pid 8068] <... write resumed>) = 4 [pid 8068] close(3 [pid 5051] <... close resumed>) = 0 ./strace-static-x86_64: Process 8069 attached [pid 8069] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8068] <... close resumed>) = 0 [pid 5051] rmdir("./166" [pid 8069] chdir("./163" [pid 8068] symlink("/dev/binderfs", "./binderfs" [pid 8069] <... chdir resumed>) = 0 [pid 8069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... rmdir resumed>) = 0 [pid 8069] <... prctl resumed>) = 0 [pid 8068] <... symlink resumed>) = 0 [pid 8069] setpgid(0, 0 [pid 8068] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] mkdir("./167", 0777 [pid 8069] <... setpgid resumed>) = 0 [pid 8069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8068] <... futex resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 8069] write(3, "1000", 4 [pid 8068] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8063] <... mount resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8069] <... write resumed>) = 4 [pid 8068] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8069] close(3 [pid 8068] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8063] <... openat resumed>) = 3 [pid 5051] <... openat resumed>) = 3 [pid 8069] <... close resumed>) = 0 [pid 8068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8063] chdir("./file0" [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8069] symlink("/dev/binderfs", "./binderfs" [pid 8068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8069] <... symlink resumed>) = 0 [pid 8063] <... chdir resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8069] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] <... mmap resumed>) = 0x7f8728b89000 [pid 8063] ioctl(4, LOOP_CLR_FD [pid 5051] close(3 [pid 8069] <... futex resumed>) = 0 [pid 8068] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8063] <... ioctl resumed>) = 0 [pid 8069] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8063] close(4 [pid 5051] <... close resumed>) = 0 [pid 8069] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8063] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8069] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 ./strace-static-x86_64: Process 8070 attached [pid 8069] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8064] <... ioctl resumed>) = 0 [pid 8069] <... mprotect resumed>) = 0 [pid 8064] close(3 [pid 8063] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8070 [pid 8070] set_robust_list(0x55555656d6a0, 24 [pid 8068] <... mprotect resumed>) = 0 [pid 8063] <... futex resumed>) = 1 [pid 8061] <... futex resumed>) = 0 [pid 8070] <... set_robust_list resumed>) = 0 [pid 8063] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] chdir("./167" [pid 8069] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8068] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8061] <... futex resumed>) = 0 [pid 8070] <... chdir resumed>) = 0 [pid 8068] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8063] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8061] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8069] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8064] <... close resumed>) = 0 [pid 8070] <... prctl resumed>) = 0 [pid 8069] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8064] mkdir("./file0", 0777 [pid 8063] <... open resumed>) = 4 ./strace-static-x86_64: Process 8072 attached ./strace-static-x86_64: Process 8071 attached [pid 8070] setpgid(0, 0 [pid 8067] <... write resumed>) = 4194304 [pid 8064] <... mkdir resumed>) = 0 [ 276.850731][ T8063] REISERFS (device loop3): Using tea hash to sort names [ 276.851634][ T8064] loop1: detected capacity change from 0 to 8192 [ 276.869293][ T8063] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8063] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8071] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8070] <... setpgid resumed>) = 0 [pid 8069] <... clone3 resumed> => {parent_tid=[8071]}, 88) = 8071 [pid 8068] <... clone3 resumed> => {parent_tid=[8072]}, 88) = 8072 [pid 8067] munmap(0x7f8720789000, 138412032 [pid 8064] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8063] <... futex resumed>) = 1 [pid 8061] <... futex resumed>) = 0 [pid 8072] <... rseq resumed>) = 0 [pid 8071] <... rseq resumed>) = 0 [pid 8070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8069] rt_sigprocmask(SIG_SETMASK, [], [pid 8068] rt_sigprocmask(SIG_SETMASK, [], [pid 8067] <... munmap resumed>) = 0 [pid 8063] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] set_robust_list(0x7f8728ba99a0, 24 [pid 8071] set_robust_list(0x7f8728ba99a0, 24 [pid 8070] <... openat resumed>) = 3 [pid 8069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8061] <... futex resumed>) = 0 [pid 8072] <... set_robust_list resumed>) = 0 [pid 8070] write(3, "1000", 4 [pid 8069] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8072] rt_sigprocmask(SIG_SETMASK, [], [pid 8071] <... set_robust_list resumed>) = 0 [pid 8070] <... write resumed>) = 4 [pid 8063] ftruncate(4, 33587195 [pid 8072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8071] rt_sigprocmask(SIG_SETMASK, [], [pid 8070] close(3 [pid 8069] <... futex resumed>) = 0 [pid 8068] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8063] <... ftruncate resumed>) = 0 [pid 8072] memfd_create("syzkaller", 0 [pid 8071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8070] <... close resumed>) = 0 [pid 8069] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8068] <... futex resumed>) = 0 [pid 8067] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8063] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] <... memfd_create resumed>) = 3 [pid 8070] symlink("/dev/binderfs", "./binderfs" [pid 8068] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8067] <... openat resumed>) = 4 [pid 8063] <... futex resumed>) = 1 [pid 8072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8067] ioctl(4, LOOP_SET_FD, 3 [pid 8063] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] <... futex resumed>) = 0 [pid 8071] memfd_create("syzkaller", 0 [pid 8061] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... symlink resumed>) = 0 [pid 8071] <... memfd_create resumed>) = 3 [pid 8070] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8061] <... futex resumed>) = 0 [pid 8070] <... futex resumed>) = 0 [pid 8070] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8070] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8070] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8074]}, 88) = 8074 [pid 8070] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8070] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8070] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8063] creat("./bus", 040 [pid 8061] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8063] <... creat resumed>) = 5 ./strace-static-x86_64: Process 8074 attached [pid 8067] <... ioctl resumed>) = 0 [pid 8074] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8067] close(3 [pid 8063] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... rseq resumed>) = 0 [pid 8067] <... close resumed>) = 0 [pid 8063] <... futex resumed>) = 1 [pid 8074] set_robust_list(0x7f8728ba99a0, 24 [pid 8067] mkdir("./file0", 0777 [pid 8063] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] <... futex resumed>) = 0 [pid 8074] <... set_robust_list resumed>) = 0 [pid 8063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 276.939861][ T8064] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 276.967535][ T8064] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 276.980578][ T8067] loop5: detected capacity change from 0 to 8192 [pid 8061] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] rt_sigprocmask(SIG_SETMASK, [], [pid 8072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8067] <... mkdir resumed>) = 0 [pid 8063] mkdirat(AT_FDCWD, "./file0", 000 [pid 8061] <... futex resumed>) = 0 [pid 8074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8061] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8074] memfd_create("syzkaller", 0 [pid 8063] <... mkdirat resumed>) = 0 [pid 8074] <... memfd_create resumed>) = 3 [pid 8067] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8063] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8063] <... futex resumed>) = 1 [pid 8061] <... futex resumed>) = 0 [pid 8074] <... mmap resumed>) = 0x7f8720789000 [pid 8063] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8061] exit_group(0 [pid 8063] <... futex resumed>) = ? [pid 8061] <... exit_group resumed>) = ? [pid 8063] +++ exited with 0 +++ [pid 8061] +++ exited with 0 +++ [pid 8071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8061, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5054] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 277.003455][ T8064] REISERFS (device loop1): using ordered data mode [ 277.010089][ T8064] reiserfs: using flush barriers [pid 5054] newfstatat(AT_FDCWD, "./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./160/binderfs") = 0 [pid 5054] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8072] <... write resumed>) = 4194304 [ 277.052355][ T8067] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.065633][ T8064] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8072] munmap(0x7f8720789000, 138412032) = 0 [pid 8071] <... write resumed>) = 4194304 [pid 8072] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8072] ioctl(4, LOOP_SET_FD, 3 [pid 8071] munmap(0x7f8720789000, 138412032) = 0 [pid 8071] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 277.114093][ T8067] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 277.120221][ T8064] REISERFS (device loop1): checking transaction log (loop1) [ 277.131628][ T8067] REISERFS (device loop5): using ordered data mode [ 277.142625][ T8072] loop4: detected capacity change from 0 to 8192 [pid 8071] ioctl(4, LOOP_SET_FD, 3 [pid 8072] <... ioctl resumed>) = 0 [pid 8072] close(3) = 0 [pid 8072] mkdir("./file0", 0777) = 0 [pid 8072] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8074] <... write resumed>) = 4194304 [pid 8071] <... ioctl resumed>) = 0 [ 277.160595][ T8071] loop2: detected capacity change from 0 to 8192 [ 277.184378][ T8067] reiserfs: using flush barriers [ 277.198278][ T8067] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8074] munmap(0x7f8720789000, 138412032 [pid 8071] close(3 [pid 8074] <... munmap resumed>) = 0 [pid 8071] <... close resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 8071] mkdir("./file0", 0777 [pid 5054] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8071] <... mkdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./160/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8071] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8064] <... mount resumed>) = 0 [pid 5054] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8074] <... openat resumed>) = 4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 277.215280][ T8067] REISERFS (device loop5): checking transaction log (loop5) [ 277.215814][ T8064] REISERFS (device loop1): Using tea hash to sort names [ 277.222752][ T8072] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.244283][ T8064] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 277.255090][ T8072] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 8074] ioctl(4, LOOP_SET_FD, 3 [pid 5054] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... openat resumed>) = 4 [pid 5054] newfstatat(4, "", [pid 8064] <... openat resumed>) = 3 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8064] chdir("./file0" [pid 5054] getdents64(4, [pid 8064] <... chdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8064] ioctl(4, LOOP_CLR_FD [pid 5054] getdents64(4, [pid 8064] <... ioctl resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [ 277.261431][ T8074] loop0: detected capacity change from 0 to 8192 [ 277.265833][ T8072] REISERFS (device loop4): using ordered data mode [ 277.274138][ T8067] REISERFS (device loop5): Using tea hash to sort names [ 277.277341][ T8072] reiserfs: using flush barriers [ 277.289206][ T8071] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.289230][ T8071] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8064] close(4 [pid 5054] close(4 [pid 8064] <... close resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 8074] <... ioctl resumed>) = 0 [pid 8064] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] rmdir("./160/file0" [pid 8064] <... futex resumed>) = 1 [pid 5054] <... rmdir resumed>) = 0 [pid 8064] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8062] <... futex resumed>) = 0 [pid 5054] getdents64(3, [pid 8062] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8064] <... futex resumed>) = 0 [pid 8062] <... futex resumed>) = 1 [pid 8064] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8062] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] close(3 [pid 8074] close(3 [pid 8067] <... mount resumed>) = 0 [pid 8064] <... open resumed>) = 4 [pid 5054] <... close resumed>) = 0 [pid 8074] <... close resumed>) = 0 [ 277.289502][ T8071] REISERFS (device loop2): using ordered data mode [ 277.289515][ T8071] reiserfs: using flush barriers [ 277.325357][ T8071] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.327543][ T8067] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 277.342184][ T8071] REISERFS (device loop2): checking transaction log (loop2) [pid 8067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] rmdir("./160" [pid 8074] mkdir("./file0", 0777 [pid 8067] <... openat resumed>) = 3 [pid 8064] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... rmdir resumed>) = 0 [pid 8074] <... mkdir resumed>) = 0 [pid 8067] chdir("./file0" [pid 8064] <... futex resumed>) = 1 [pid 8062] <... futex resumed>) = 0 [pid 5054] mkdir("./161", 0777 [pid 8062] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... mkdir resumed>) = 0 [pid 8062] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8067] <... chdir resumed>) = 0 [pid 8064] ftruncate(4, 33587195 [pid 8062] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... openat resumed>) = 3 [pid 8074] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8067] ioctl(4, LOOP_CLR_FD [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8067] <... ioctl resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8067] close(4 [pid 5054] close(3 [pid 8067] <... close resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 8067] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8078 attached [pid 8067] <... futex resumed>) = 1 [pid 8065] <... futex resumed>) = 0 [pid 8065] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8065] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8067] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8078] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8078 [pid 8078] <... set_robust_list resumed>) = 0 [pid 8067] <... open resumed>) = 4 [pid 8064] <... ftruncate resumed>) = 0 [pid 8078] chdir("./161" [pid 8067] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8064] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8078] <... chdir resumed>) = 0 [pid 8067] <... futex resumed>) = 1 [pid 8078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8064] <... futex resumed>) = 1 [pid 8062] <... futex resumed>) = 0 [pid 8078] <... prctl resumed>) = 0 [pid 8067] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8064] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8062] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8078] setpgid(0, 0 [pid 8064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8062] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8065] <... futex resumed>) = 0 [pid 8065] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8065] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8067] <... futex resumed>) = 0 [pid 8067] ftruncate(4, 33587195 [pid 8064] creat("./bus", 040) = 5 [pid 8078] <... setpgid resumed>) = 0 [ 277.361632][ T8072] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.380007][ T8071] REISERFS (device loop2): Using tea hash to sort names [ 277.392321][ T8074] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 277.407166][ T8072] REISERFS (device loop4): checking transaction log (loop4) [pid 8078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8067] <... ftruncate resumed>) = 0 [pid 8064] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8078] <... openat resumed>) = 3 [pid 8067] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8064] <... futex resumed>) = 1 [pid 8062] <... futex resumed>) = 0 [pid 8078] write(3, "1000", 4 [pid 8067] <... futex resumed>) = 1 [pid 8064] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8062] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8078] <... write resumed>) = 4 [pid 8067] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8062] <... futex resumed>) = 0 [pid 8078] close(3 [pid 8064] mkdirat(AT_FDCWD, "./file0", 000 [pid 8062] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8078] <... close resumed>) = 0 [pid 8064] <... mkdirat resumed>) = 0 [pid 8078] symlink("/dev/binderfs", "./binderfs" [pid 8064] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8078] <... symlink resumed>) = 0 [pid 8065] <... futex resumed>) = 0 [pid 8078] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8064] <... futex resumed>) = 1 [pid 8062] <... futex resumed>) = 0 [pid 8078] <... futex resumed>) = 0 [pid 8064] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8062] exit_group(0 [pid 8078] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8064] <... futex resumed>) = ? [pid 8062] <... exit_group resumed>) = ? [pid 8078] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8064] +++ exited with 0 +++ [pid 8062] +++ exited with 0 +++ [pid 8078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8062, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 8078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... restart_syscall resumed>) = 0 [pid 8078] <... mmap resumed>) = 0x7f8728b89000 [pid 8071] <... mount resumed>) = 0 [pid 8065] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8078] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8065] <... futex resumed>) = 1 [ 277.418927][ T8071] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 277.431577][ T8072] REISERFS (device loop4): Using tea hash to sort names [ 277.438744][ T8074] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 277.448922][ T8074] REISERFS (device loop0): using ordered data mode [ 277.456087][ T8074] reiserfs: using flush barriers [pid 8065] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8078] <... mprotect resumed>) = 0 [pid 8071] <... openat resumed>) = 3 [pid 8067] <... futex resumed>) = 0 [pid 8071] chdir("./file0") = 0 [pid 5052] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8071] ioctl(4, LOOP_CLR_FD [pid 8067] creat("./bus", 040 [pid 8078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8071] <... ioctl resumed>) = 0 [pid 8078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8071] close(4 [pid 8067] <... creat resumed>) = 5 [pid 8072] <... mount resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8071] <... close resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8071] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8080 attached [pid 8078] <... clone3 resumed> => {parent_tid=[8080]}, 88) = 8080 [pid 8071] <... futex resumed>) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8074] <... mount resumed>) = 0 [pid 8072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8067] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(3, "", [pid 8080] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8078] rt_sigprocmask(SIG_SETMASK, [], [pid 8074] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8072] <... openat resumed>) = 3 [pid 8071] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] <... futex resumed>) = 0 [pid 8065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8080] <... rseq resumed>) = 0 [pid 8078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8074] <... openat resumed>) = 3 [pid 8072] chdir("./file0" [pid 8071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8069] <... futex resumed>) = 0 [pid 8067] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8065] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 8080] set_robust_list(0x7f8728ba99a0, 24 [pid 8078] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] chdir("./file0" [pid 8072] <... chdir resumed>) = 0 [pid 8071] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8069] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8065] <... futex resumed>) = 0 [pid 8080] <... set_robust_list resumed>) = 0 [pid 8078] <... futex resumed>) = 0 [pid 8074] <... chdir resumed>) = 0 [pid 8072] ioctl(4, LOOP_CLR_FD [pid 8071] <... open resumed>) = 4 [pid 8067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8065] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8080] rt_sigprocmask(SIG_SETMASK, [], [pid 8078] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8074] ioctl(4, LOOP_CLR_FD [pid 8072] <... ioctl resumed>) = 0 [pid 8071] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] mkdirat(AT_FDCWD, "./file0", 000 [ 277.457833][ T8072] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 277.469560][ T8074] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 277.489917][ T8074] REISERFS (device loop0): checking transaction log (loop0) [ 277.499075][ T8074] REISERFS (device loop0): Using tea hash to sort names [ 277.507181][ T8074] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5052] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8074] <... ioctl resumed>) = 0 [pid 8072] close(4 [pid 8071] <... futex resumed>) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8067] <... mkdirat resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8080] memfd_create("syzkaller", 0 [pid 8072] <... close resumed>) = 0 [pid 8069] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] ftruncate(4, 33587195 [pid 5052] newfstatat(AT_FDCWD, "./164/binderfs", [pid 8080] <... memfd_create resumed>) = 3 [pid 8074] close(4 [pid 8072] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] <... futex resumed>) = 0 [pid 8067] <... futex resumed>) = 1 [pid 8065] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8074] <... close resumed>) = 0 [pid 8072] <... futex resumed>) = 1 [pid 8069] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8068] <... futex resumed>) = 0 [pid 8067] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8065] exit_group(0 [pid 5052] unlink("./164/binderfs" [pid 8080] <... mmap resumed>) = 0x7f8720789000 [pid 8074] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8071] <... ftruncate resumed>) = 0 [pid 8068] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8067] <... futex resumed>) = ? [pid 8065] <... exit_group resumed>) = ? [pid 5052] <... unlink resumed>) = 0 [pid 8074] <... futex resumed>) = 1 [pid 8072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8071] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... futex resumed>) = 0 [pid 8068] <... futex resumed>) = 0 [pid 8067] +++ exited with 0 +++ [pid 8065] +++ exited with 0 +++ [pid 5052] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8074] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8072] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8071] <... futex resumed>) = 1 [pid 8070] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8069] <... futex resumed>) = 0 [pid 8068] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8065, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 8074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8072] <... open resumed>) = 4 [pid 8070] <... futex resumed>) = 0 [pid 8074] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8072] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8069] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] <... open resumed>) = 4 [pid 8072] <... futex resumed>) = 1 [pid 8071] creat("./bus", 040 [pid 8069] <... futex resumed>) = 0 [pid 8068] <... futex resumed>) = 0 [pid 8072] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8068] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8068] <... futex resumed>) = 0 [pid 5056] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8074] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] ftruncate(4, 33587195 [pid 8068] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8074] <... futex resumed>) = 1 [pid 8070] <... futex resumed>) = 0 [pid 8074] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8070] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8072] <... ftruncate resumed>) = 0 [pid 8070] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8074] ftruncate(4, 33587195 [pid 8072] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 8074] <... ftruncate resumed>) = 0 [pid 8072] <... futex resumed>) = 1 [pid 8068] <... futex resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 8074] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] creat("./bus", 040 [pid 8068] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8074] <... futex resumed>) = 1 [pid 8070] <... futex resumed>) = 0 [pid 8068] <... futex resumed>) = 0 [pid 8074] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8070] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] getdents64(3, [pid 8074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8070] <... futex resumed>) = 0 [pid 8074] creat("./bus", 040 [pid 8070] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8074] <... creat resumed>) = 5 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8071] <... creat resumed>) = 5 [pid 8071] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8071] <... futex resumed>) = 1 [pid 8070] <... futex resumed>) = 0 [pid 8069] <... futex resumed>) = 0 [pid 8070] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] unlink("./163/binderfs" [pid 8069] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8070] <... futex resumed>) = 0 [pid 8069] <... futex resumed>) = 0 [pid 8071] mkdirat(AT_FDCWD, "./file0", 000 [pid 8070] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8069] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8074] <... futex resumed>) = 1 [pid 8074] mkdirat(AT_FDCWD, "./file0", 000 [pid 8071] <... mkdirat resumed>) = 0 [pid 8074] <... mkdirat resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 8074] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8072] <... creat resumed>) = 5 [pid 8070] <... futex resumed>) = 0 [pid 8070] exit_group(0) = ? [pid 8072] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8072] <... futex resumed>) = 1 [pid 8071] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8068] <... futex resumed>) = 0 [pid 8074] <... futex resumed>) = ? [pid 8072] mkdirat(AT_FDCWD, "./file0", 000 [pid 8071] <... futex resumed>) = 1 [pid 8069] <... futex resumed>) = 0 [pid 8068] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8074] +++ exited with 0 +++ [pid 8072] <... mkdirat resumed>) = 0 [pid 8070] +++ exited with 0 +++ [pid 8071] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8069] exit_group(0 [pid 8068] <... futex resumed>) = 0 [pid 8068] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8070, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5051] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5051] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./167/binderfs") = 0 [pid 5051] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8071] <... futex resumed>) = ? [pid 8069] <... exit_group resumed>) = ? [pid 8072] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8068] <... futex resumed>) = 0 [pid 8068] exit_group(0) = ? [pid 8071] +++ exited with 0 +++ [pid 8069] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8069, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 8080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8072] +++ exited with 0 +++ [pid 8068] +++ exited with 0 +++ [pid 5053] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8068, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./163/binderfs" [pid 5055] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... unlink resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./164/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] unlink("./161/binderfs" [pid 5052] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", [pid 5055] <... unlink resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./164/file0") = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 8080] <... write resumed>) = 4194304 [pid 5052] rmdir("./164") = 0 [pid 5052] mkdir("./165", 0777) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 8080] munmap(0x7f8720789000, 138412032) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8081 ./strace-static-x86_64: Process 8081 attached [pid 8081] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8081] chdir("./165") = 0 [pid 8081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8081] setpgid(0, 0) = 0 [pid 8081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8080] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8080] ioctl(4, LOOP_SET_FD, 3 [pid 8081] <... openat resumed>) = 3 [pid 8081] write(3, "1000", 4) = 4 [pid 8081] close(3) = 0 [pid 8081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8081] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8081] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8081] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8081] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8081] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8081] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8082]}, 88) = 8082 [pid 8081] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8081] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8081] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8082 attached [pid 8082] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8082] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8080] <... ioctl resumed>) = 0 [pid 8082] memfd_create("syzkaller", 0 [pid 8080] close(3) = 0 [ 277.798460][ T8080] loop3: detected capacity change from 0 to 8192 [pid 8080] mkdir("./file0", 0777) = 0 [pid 8082] <... memfd_create resumed>) = 3 [pid 5051] <... umount2 resumed>) = 0 [pid 8082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8080] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5051] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... umount2 resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./167/file0", [pid 5053] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./163/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./163/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./163") = 0 [ 277.875190][ T8080] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] mkdir("./164", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] close(3) = 0 [pid 5051] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8084 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./167/file0") = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./163/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] rmdir("./167" [pid 5056] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... rmdir resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] mkdir("./168", 0777./strace-static-x86_64: Process 8084 attached [pid 5056] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8084] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... openat resumed>) = 4 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... mkdir resumed>) = 0 [pid 8084] <... set_robust_list resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5055] newfstatat(AT_FDCWD, "./161/file0", [pid 8084] chdir("./164" [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 277.919876][ T8080] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 277.929355][ T8080] REISERFS (device loop3): using ordered data mode [ 277.943685][ T8080] reiserfs: using flush barriers [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8084] <... chdir resumed>) = 0 [pid 8082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] getdents64(4, [pid 5055] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 8084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... close resumed>) = 0 [pid 8084] setpgid(0, 0 [pid 5055] <... openat resumed>) = 4 [pid 8084] <... setpgid resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] close(4) = 0 [pid 8084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] rmdir("./163/file0" [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8085 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] getdents64(4, [pid 8084] <... openat resumed>) = 3 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8084] write(3, "1000", 4 [pid 5055] getdents64(4, ./strace-static-x86_64: Process 8085 attached [pid 5056] close(3) = 0 [pid 5056] rmdir("./163" [pid 8085] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8085] <... set_robust_list resumed>) = 0 [pid 5056] mkdir("./164", 0777) = 0 [pid 8085] chdir("./168") = 0 [pid 8084] <... write resumed>) = 4 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] close(4) = 0 [pid 5055] rmdir("./161/file0" [pid 8085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8084] close(3 [pid 5056] <... openat resumed>) = 3 [pid 8084] <... close resumed>) = 0 [pid 8084] symlink("/dev/binderfs", "./binderfs" [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8085] <... prctl resumed>) = 0 [pid 8084] <... symlink resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 8085] setpgid(0, 0 [pid 5056] <... close resumed>) = 0 [pid 8085] <... setpgid resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8084] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8084] <... futex resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8086 ./strace-static-x86_64: Process 8086 attached [pid 8086] set_robust_list(0x55555656d6a0, 24 [pid 8085] <... openat resumed>) = 3 [pid 8086] <... set_robust_list resumed>) = 0 [pid 8086] chdir("./164" [pid 5055] <... rmdir resumed>) = 0 [pid 8086] <... chdir resumed>) = 0 [pid 8086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 277.961065][ T8080] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8084] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8086] setpgid(0, 0 [pid 8085] write(3, "1000", 4 [pid 8084] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] getdents64(3, [pid 8086] <... setpgid resumed>) = 0 [pid 8086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8086] write(3, "1000", 4) = 4 [pid 8086] close(3) = 0 [pid 8086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8086] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8086] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8086] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8086] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8086] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8086] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8087]}, 88) = 8087 [pid 8086] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8086] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8086] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8087 attached [pid 8087] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8087] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8087] memfd_create("syzkaller", 0 [pid 8084] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8085] <... write resumed>) = 4 [pid 5055] close(3 [pid 8085] close(3 [pid 8087] <... memfd_create resumed>) = 3 [pid 8087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8085] <... close resumed>) = 0 [pid 8084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... close resumed>) = 0 [pid 8085] symlink("/dev/binderfs", "./binderfs" [pid 5055] rmdir("./161" [pid 8084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8082] <... write resumed>) = 4194304 [pid 8082] munmap(0x7f8720789000, 138412032 [pid 8085] <... symlink resumed>) = 0 [pid 8084] <... mmap resumed>) = 0x7f8728b89000 [pid 8082] <... munmap resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8085] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8084] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8082] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5055] mkdir("./162", 0777 [pid 8082] <... openat resumed>) = 4 [ 278.024766][ T8080] REISERFS (device loop3): checking transaction log (loop3) [ 278.054004][ T8080] REISERFS (device loop3): Using tea hash to sort names [ 278.059129][ T8082] loop1: detected capacity change from 0 to 8192 [pid 8082] ioctl(4, LOOP_SET_FD, 3 [pid 8085] <... futex resumed>) = 0 [pid 8084] <... mprotect resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 8087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8085] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8084] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8082] <... ioctl resumed>) = 0 [pid 8080] <... mount resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8084] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8082] close(3 [pid 8080] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] <... openat resumed>) = 3 [pid 8085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8084] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8080] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 8088 attached [pid 8085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8082] <... close resumed>) = 0 [pid 8080] chdir("./file0" [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8088] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8084] <... clone3 resumed> => {parent_tid=[8088]}, 88) = 8088 [pid 8082] mkdir("./file0", 0777 [pid 8080] <... chdir resumed>) = 0 [pid 5055] close(3 [pid 8088] <... rseq resumed>) = 0 [pid 8085] <... mmap resumed>) = 0x7f8728b89000 [pid 8084] rt_sigprocmask(SIG_SETMASK, [], [pid 8080] ioctl(4, LOOP_CLR_FD [pid 5055] <... close resumed>) = 0 [pid 8088] set_robust_list(0x7f8728ba99a0, 24 [pid 8085] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8082] <... mkdir resumed>) = 0 [pid 8080] <... ioctl resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8088] <... set_robust_list resumed>) = 0 [pid 8085] <... mprotect resumed>) = 0 [ 278.065713][ T8080] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8084] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8082] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8080] close(4 [pid 8088] rt_sigprocmask(SIG_SETMASK, [], [pid 8085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8084] <... futex resumed>) = 0 [pid 8080] <... close resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8089 ./strace-static-x86_64: Process 8089 attached [pid 8088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8084] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8080] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] set_robust_list(0x55555656d6a0, 24 [pid 8085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8091 attached [pid 8089] <... set_robust_list resumed>) = 0 [pid 8085] <... clone3 resumed> => {parent_tid=[8091]}, 88) = 8091 [pid 8085] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8085] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8091] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8089] chdir("./162" [pid 8088] memfd_create("syzkaller", 0 [pid 8085] <... futex resumed>) = 0 [pid 8080] <... futex resumed>) = 1 [pid 8078] <... futex resumed>) = 0 [pid 8091] <... rseq resumed>) = 0 [pid 8088] <... memfd_create resumed>) = 3 [pid 8085] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8080] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8078] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8078] <... futex resumed>) = 0 [pid 8088] <... mmap resumed>) = 0x7f8720789000 [pid 8080] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8078] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8091] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8089] <... chdir resumed>) = 0 [pid 8091] rt_sigprocmask(SIG_SETMASK, [], [pid 8089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8080] <... open resumed>) = 4 [pid 8091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8089] <... prctl resumed>) = 0 [pid 8080] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8091] memfd_create("syzkaller", 0 [pid 8089] setpgid(0, 0) = 0 [pid 8080] <... futex resumed>) = 1 [pid 8078] <... futex resumed>) = 0 [pid 8091] <... memfd_create resumed>) = 3 [pid 8091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8080] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8078] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] <... openat resumed>) = 3 [pid 8078] <... futex resumed>) = 0 [pid 8091] <... mmap resumed>) = 0x7f8720789000 [pid 8089] write(3, "1000", 4 [pid 8080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8078] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8089] <... write resumed>) = 4 [pid 8080] ftruncate(4, 33587195 [pid 8089] close(3) = 0 [pid 8080] <... ftruncate resumed>) = 0 [pid 8089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8080] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8078] <... futex resumed>) = 0 [pid 8080] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 278.096404][ T8082] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.134358][ T8082] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 8078] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8078] <... futex resumed>) = 0 [pid 8080] creat("./bus", 040 [pid 8078] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8089] <... futex resumed>) = 0 [pid 8080] <... creat resumed>) = 5 [pid 8089] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8080] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8078] <... futex resumed>) = 0 [pid 8078] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8078] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8080] mkdirat(AT_FDCWD, "./file0", 000 [pid 8089] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8080] <... mkdirat resumed>) = 0 [pid 8089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8080] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8080] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8089] <... mmap resumed>) = 0x7f8728b89000 [pid 8089] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8078] <... futex resumed>) = 0 [pid 8089] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 278.181309][ T8082] REISERFS (device loop1): using ordered data mode [ 278.189813][ T8082] reiserfs: using flush barriers [pid 8089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8078] exit_group(0./strace-static-x86_64: Process 8092 attached [pid 8089] <... clone3 resumed> => {parent_tid=[8092]}, 88) = 8092 [pid 8080] <... futex resumed>) = ? [pid 8078] <... exit_group resumed>) = ? [pid 8080] +++ exited with 0 +++ [pid 8078] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8078, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5054] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", [pid 8092] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8089] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8092] <... rseq resumed>) = 0 [pid 8089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8092] set_robust_list(0x7f8728ba99a0, 24 [pid 8089] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8092] <... set_robust_list resumed>) = 0 [pid 8089] <... futex resumed>) = 0 [pid 8092] rt_sigprocmask(SIG_SETMASK, [], [pid 8089] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./161/binderfs" [pid 8092] memfd_create("syzkaller", 0 [pid 8091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... unlink resumed>) = 0 [pid 8092] <... memfd_create resumed>) = 3 [pid 5054] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 278.216700][ T8082] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.241365][ T8082] REISERFS (device loop1): checking transaction log (loop1) [ 278.260757][ T8082] REISERFS (device loop1): Using tea hash to sort names [pid 8082] <... mount resumed>) = 0 [pid 8092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8087] <... write resumed>) = 4194304 [pid 8082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8087] munmap(0x7f8720789000, 138412032 [pid 8082] <... openat resumed>) = 3 [pid 8087] <... munmap resumed>) = 0 [pid 8087] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8087] ioctl(4, LOOP_SET_FD, 3 [pid 8082] chdir("./file0") = 0 [pid 8082] ioctl(4, LOOP_CLR_FD [pid 8087] <... ioctl resumed>) = 0 [pid 8082] <... ioctl resumed>) = 0 [pid 8082] close(4 [pid 8087] close(3) = 0 [pid 8087] mkdir("./file0", 0777 [pid 8082] <... close resumed>) = 0 [pid 8087] <... mkdir resumed>) = 0 [pid 8082] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8082] <... futex resumed>) = 1 [pid 8081] <... futex resumed>) = 0 [pid 8082] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8081] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8081] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 278.284087][ T8082] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 278.317717][ T8087] loop5: detected capacity change from 0 to 8192 [pid 8082] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8088] <... write resumed>) = 4194304 [pid 8082] <... open resumed>) = 4 [pid 8082] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8081] <... futex resumed>) = 0 [pid 8082] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 278.366597][ T8087] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8081] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] munmap(0x7f8720789000, 138412032 [pid 8082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8081] <... futex resumed>) = 0 [pid 8082] ftruncate(4, 33587195 [pid 8081] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8091] <... write resumed>) = 4194304 [pid 8088] <... munmap resumed>) = 0 [pid 8091] munmap(0x7f8720789000, 138412032 [pid 8082] <... ftruncate resumed>) = 0 [pid 8088] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8082] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8081] <... futex resumed>) = 0 [pid 8088] <... openat resumed>) = 4 [pid 8082] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8081] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] ioctl(4, LOOP_SET_FD, 3 [pid 8082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8081] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 8091] <... munmap resumed>) = 0 [pid 8082] creat("./bus", 040 [pid 8081] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 278.415481][ T8087] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 278.444908][ T8087] REISERFS (device loop5): using ordered data mode [ 278.452470][ T8088] loop2: detected capacity change from 0 to 8192 [ 278.457643][ T8091] loop0: detected capacity change from 0 to 8192 [pid 8091] ioctl(4, LOOP_SET_FD, 3 [pid 8082] <... creat resumed>) = 5 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8082] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(AT_FDCWD, "./161/file0", [pid 8092] <... write resumed>) = 4194304 [pid 8082] <... futex resumed>) = 1 [pid 8081] <... futex resumed>) = 0 [pid 8092] munmap(0x7f8720789000, 138412032 [pid 8082] mkdirat(AT_FDCWD, "./file0", 000 [pid 8081] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8091] <... ioctl resumed>) = 0 [pid 8092] <... munmap resumed>) = 0 [pid 8088] <... ioctl resumed>) = 0 [pid 8082] <... mkdirat resumed>) = 0 [pid 8081] <... futex resumed>) = 0 [pid 5054] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8092] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8091] close(3 [pid 8088] close(3 [pid 8092] <... openat resumed>) = 4 [pid 8091] <... close resumed>) = 0 [pid 8088] <... close resumed>) = 0 [pid 8091] mkdir("./file0", 0777 [pid 8088] mkdir("./file0", 0777 [pid 8092] ioctl(4, LOOP_SET_FD, 3 [pid 8082] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8081] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8091] <... mkdir resumed>) = 0 [pid 8088] <... mkdir resumed>) = 0 [pid 8088] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8091] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... openat resumed>) = 4 [ 278.466744][ T8087] reiserfs: using flush barriers [ 278.474124][ T8087] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.488739][ T8092] loop4: detected capacity change from 0 to 8192 [ 278.492172][ T8087] REISERFS (device loop5): checking transaction log (loop5) [ 278.507068][ T8087] REISERFS (device loop5): Using tea hash to sort names [pid 8092] <... ioctl resumed>) = 0 [pid 8082] <... futex resumed>) = 0 [pid 8081] exit_group(0 [pid 5054] newfstatat(4, "", [pid 8092] close(3) = 0 [pid 8092] mkdir("./file0", 0777) = 0 [ 278.508157][ T8088] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.514780][ T8087] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 278.527538][ T8088] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 278.546228][ T8091] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.546403][ T8088] REISERFS (device loop2): using ordered data mode [pid 8092] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8087] <... mount resumed>) = 0 [pid 8081] <... exit_group resumed>) = ? [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, [pid 8087] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8082] +++ exited with 0 +++ [pid 8081] +++ exited with 0 +++ [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8081, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5052] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8087] <... openat resumed>) = 3 [pid 5052] <... openat resumed>) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8087] chdir("./file0" [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8087] <... chdir resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./165/binderfs") = 0 [pid 5052] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8087] ioctl(4, LOOP_CLR_FD [ 278.561586][ T8092] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 278.566003][ T8088] reiserfs: using flush barriers [ 278.586155][ T8088] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.595681][ T8091] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./161/file0" [pid 8087] <... ioctl resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8087] close(4 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8087] <... close resumed>) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./161") = 0 [pid 8087] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] mkdir("./162", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8087] <... futex resumed>) = 1 [pid 5054] <... openat resumed>) = 3 [pid 8087] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 8086] <... futex resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8086] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8087] <... futex resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8097 [ 278.603163][ T8088] REISERFS (device loop2): checking transaction log (loop2) [ 278.619270][ T8092] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 278.628548][ T8092] REISERFS (device loop4): using ordered data mode [ 278.635331][ T8092] reiserfs: using flush barriers [ 278.640861][ T8088] REISERFS (device loop2): Using tea hash to sort names [ 278.651367][ T8088] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. ./strace-static-x86_64: Process 8097 attached [pid 8087] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 278.660776][ T8092] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.680664][ T8091] REISERFS (device loop0): using ordered data mode [ 278.683842][ T8092] REISERFS (device loop4): checking transaction log (loop4) [ 278.687767][ T29] kauditd_printk_skb: 14 callbacks suppressed [pid 8086] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8097] set_robust_list(0x55555656d6a0, 24 [pid 8088] <... mount resumed>) = 0 [pid 8087] <... open resumed>) = 4 [pid 8097] <... set_robust_list resumed>) = 0 [pid 8087] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] chdir("./162" [pid 8087] <... futex resumed>) = 1 [pid 8086] <... futex resumed>) = 0 [pid 8097] <... chdir resumed>) = 0 [pid 8087] ftruncate(4, 33587195 [pid 8086] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8086] <... futex resumed>) = 0 [pid 8097] <... prctl resumed>) = 0 [pid 8086] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8097] setpgid(0, 0) = 0 [pid 8097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8097] write(3, "1000", 4) = 4 [pid 8097] close(3) = 0 [pid 8088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8097] symlink("/dev/binderfs", "./binderfs" [pid 8088] <... openat resumed>) = 3 [pid 8097] <... symlink resumed>) = 0 [pid 8088] chdir("./file0" [pid 8097] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8088] <... chdir resumed>) = 0 [pid 8097] <... futex resumed>) = 0 [pid 8088] ioctl(4, LOOP_CLR_FD [pid 8097] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8088] <... ioctl resumed>) = 0 [pid 8097] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8088] close(4 [pid 8097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8088] <... close resumed>) = 0 [pid 8097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8088] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8088] <... futex resumed>) = 1 [pid 8084] <... futex resumed>) = 0 [pid 8097] <... mmap resumed>) = 0x7f8728b89000 [pid 8088] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8084] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8088] <... open resumed>) = 4 [pid 8084] <... futex resumed>) = 0 [pid 8097] <... mprotect resumed>) = 0 [pid 8088] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] <... ftruncate resumed>) = 0 [pid 8084] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8088] <... futex resumed>) = 0 [pid 8087] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8088] ftruncate(4, 33587195 [pid 8087] <... futex resumed>) = 1 [pid 8086] <... futex resumed>) = 0 [pid 8084] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8087] creat("./bus", 040 [pid 8086] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8084] <... futex resumed>) = 0 [pid 8087] <... creat resumed>) = 5 [pid 8086] <... futex resumed>) = 0 [pid 8097] <... clone3 resumed> => {parent_tid=[8098]}, 88) = 8098 [pid 8086] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8084] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8088] <... ftruncate resumed>) = 0 ./strace-static-x86_64: Process 8098 attached [pid 8097] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8098] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8097] <... futex resumed>) = 0 [pid 8087] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8098] <... rseq resumed>) = 0 [pid 8097] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8088] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8087] <... futex resumed>) = 1 [pid 8086] <... futex resumed>) = 0 [pid 8098] set_robust_list(0x7f8728ba99a0, 24 [pid 8088] <... futex resumed>) = 1 [pid 8087] mkdirat(AT_FDCWD, "./file0", 000 [pid 8086] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8084] <... futex resumed>) = 0 [pid 8098] <... set_robust_list resumed>) = 0 [pid 8088] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8087] <... mkdirat resumed>) = 0 [pid 8086] <... futex resumed>) = 0 [pid 8084] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8098] rt_sigprocmask(SIG_SETMASK, [], [pid 8088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8086] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8084] <... futex resumed>) = 0 [pid 8098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8087] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8098] memfd_create("syzkaller", 0 [pid 8088] creat("./bus", 040 [pid 8087] <... futex resumed>) = 0 [pid 8086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 278.687781][ T29] audit: type=1800 audit(1698988423.434:988): pid=8087 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 278.733240][ T8092] REISERFS (device loop4): Using tea hash to sort names [ 278.746863][ T29] audit: type=1800 audit(1698988423.454:989): pid=8088 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 8084] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8098] <... memfd_create resumed>) = 3 [pid 8087] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8086] exit_group(0 [pid 8098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8087] <... futex resumed>) = ? [pid 8086] <... exit_group resumed>) = ? [pid 8098] <... mmap resumed>) = 0x7f8720789000 [pid 8087] +++ exited with 0 +++ [pid 8086] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8086, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8088] <... creat resumed>) = 5 [pid 8088] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8084] <... futex resumed>) = 0 [pid 8084] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8084] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8088] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8088] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8088] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8084] <... futex resumed>) = 0 [pid 8084] exit_group(0) = ? [pid 8088] <... futex resumed>) = ? [pid 8088] +++ exited with 0 +++ [ 278.768291][ T8091] reiserfs: using flush barriers [ 278.775904][ T8091] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 278.789955][ T8092] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 278.793411][ T8091] REISERFS (device loop0): checking transaction log (loop0) [ 278.810195][ T8091] REISERFS (device loop0): Using tea hash to sort names [pid 8084] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8084, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5056] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, [pid 5056] newfstatat(3, "", [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] getdents64(3, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] newfstatat(AT_FDCWD, "./164/binderfs", [pid 5056] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./164/binderfs" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... unlink resumed>) = 0 [pid 5053] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8092] <... mount resumed>) = 0 [pid 8091] <... mount resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./164/binderfs", [pid 8091] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8091] chdir("./file0") = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8092] chdir("./file0" [pid 8091] ioctl(4, LOOP_CLR_FD [pid 5056] unlink("./164/binderfs" [pid 8092] <... chdir resumed>) = 0 [pid 8091] <... ioctl resumed>) = 0 [pid 8092] ioctl(4, LOOP_CLR_FD [pid 5056] <... unlink resumed>) = 0 [pid 8092] <... ioctl resumed>) = 0 [pid 8091] close(4) = 0 [pid 5056] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = 0 [pid 8092] close(4) = 0 [pid 8091] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8092] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8089] <... futex resumed>) = 0 [pid 8085] <... futex resumed>) = 0 [pid 8089] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8089] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8091] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8092] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8085] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8085] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8091] <... futex resumed>) = 0 [pid 8092] <... open resumed>) = 4 [ 278.818139][ T8091] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8091] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5052] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8091] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8091] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8092] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8092] <... futex resumed>) = 1 [pid 8089] <... futex resumed>) = 0 [pid 8085] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(AT_FDCWD, "./165/file0", [pid 8085] <... futex resumed>) = 1 [pid 8091] <... futex resumed>) = 0 [pid 8089] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8085] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8092] ftruncate(4, 33587195 [pid 8091] ftruncate(4, 33587195 [pid 8089] <... futex resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./164/file0", [pid 8089] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 278.869167][ T29] audit: type=1800 audit(1698988423.624:990): pid=8092 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 5052] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8092] <... ftruncate resumed>) = 0 [pid 8091] <... ftruncate resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", [pid 8092] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8092] <... futex resumed>) = 1 [pid 8089] <... futex resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 8089] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(4, "", [pid 8089] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8089] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 8091] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] rmdir("./164/file0" [pid 8092] creat("./bus", 040 [pid 8091] <... futex resumed>) = 1 [pid 5053] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 8091] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./164") = 0 [pid 8092] <... creat resumed>) = 5 [pid 8085] <... futex resumed>) = 0 [pid 5053] mkdir("./165", 0777 [pid 8085] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... mkdir resumed>) = 0 [pid 5052] getdents64(4, [pid 8091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8085] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] getdents64(4, [pid 8091] creat("./bus", 040 [pid 5053] <... openat resumed>) = 3 [pid 8091] <... creat resumed>) = 5 [pid 5056] newfstatat(AT_FDCWD, "./164/file0", [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] close(4 [pid 5056] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] rmdir("./165/file0") = 0 [pid 5056] <... openat resumed>) = 4 [pid 5052] getdents64(3, [pid 5056] newfstatat(4, "", [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] close(3 [pid 5056] getdents64(4, [pid 5052] <... close resumed>) = 0 [pid 8092] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] rmdir("./165" [pid 8092] <... futex resumed>) = 1 [pid 8089] <... futex resumed>) = 0 [pid 8092] mkdirat(AT_FDCWD, "./file0", 000 [pid 8089] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8089] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... rmdir resumed>) = 0 [ 278.948281][ T29] audit: type=1800 audit(1698988423.624:991): pid=8091 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 8091] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 5052] mkdir("./166", 0777 [pid 8092] <... mkdirat resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 5056] close(4 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8091] <... futex resumed>) = 1 [pid 8085] <... futex resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8092] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8091] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8085] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8092] <... futex resumed>) = 1 [pid 8089] <... futex resumed>) = 0 [pid 8085] <... futex resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8098] <... write resumed>) = 4194304 [pid 8092] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8089] exit_group(0 [pid 8085] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] rmdir("./164/file0" [pid 8098] munmap(0x7f8720789000, 138412032 [pid 8092] <... futex resumed>) = ? [pid 8089] <... exit_group resumed>) = ? [pid 5056] <... rmdir resumed>) = 0 [pid 8091] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] getdents64(3, [pid 5052] close(3 [pid 8098] <... munmap resumed>) = 0 [pid 8092] +++ exited with 0 +++ [pid 8091] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8089] +++ exited with 0 +++ [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] <... close resumed>) = 0 [pid 8098] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8089, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5053] <... ioctl resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8098] ioctl(4, LOOP_SET_FD, 3 [pid 5055] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8099 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8091] <... futex resumed>) = 1 [pid 8085] <... futex resumed>) = 0 [pid 5056] close(3 [pid 5055] unlink("./162/binderfs" [pid 8085] exit_group(0 [pid 5055] <... unlink resumed>) = 0 [pid 8085] <... exit_group resumed>) = ? [pid 5055] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... close resumed>) = 0 ./strace-static-x86_64: Process 8099 attached [pid 8099] set_robust_list(0x55555656d6a0, 24 [pid 5056] rmdir("./164" [pid 8099] <... set_robust_list resumed>) = 0 [pid 8098] <... ioctl resumed>) = 0 [pid 8091] +++ exited with 0 +++ [pid 8085] +++ exited with 0 +++ [pid 5056] <... rmdir resumed>) = 0 [pid 5053] close(3 [pid 8098] close(3 [pid 5056] mkdir("./165", 0777 [pid 5053] <... close resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8085, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8098] <... close resumed>) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8099] chdir("./166" [pid 8098] mkdir("./file0", 0777 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 8100 attached [pid 8099] <... chdir resumed>) = 0 [pid 8098] <... mkdir resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8100 [pid 8100] set_robust_list(0x55555656d6a0, 24 [pid 8099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8100] <... set_robust_list resumed>) = 0 [pid 5051] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8099] <... prctl resumed>) = 0 [pid 8100] chdir("./165" [pid 8099] setpgid(0, 0 [pid 8098] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8100] <... chdir resumed>) = 0 [pid 8099] <... setpgid resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8100] <... prctl resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8100] setpgid(0, 0 [pid 5051] newfstatat(3, "", [pid 8100] <... setpgid resumed>) = 0 [pid 8099] <... openat resumed>) = 3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8099] write(3, "1000", 4 [pid 5051] getdents64(3, [pid 8099] <... write resumed>) = 4 [pid 8100] <... openat resumed>) = 3 [pid 8099] close(3) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] <... openat resumed>) = 3 [pid 5051] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8099] symlink("/dev/binderfs", "./binderfs" [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8099] <... symlink resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] newfstatat(AT_FDCWD, "./168/binderfs", [pid 5056] close(3 [pid 8100] write(3, "1000", 4 [pid 5056] <... close resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 279.060332][ T8098] loop3: detected capacity change from 0 to 8192 [pid 8100] <... write resumed>) = 4 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8099] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] unlink("./168/binderfs" [pid 8099] <... futex resumed>) = 0 [pid 8099] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8102 attached [pid 8100] close(3 [pid 8099] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... unlink resumed>) = 0 [pid 8102] set_robust_list(0x55555656d6a0, 24 [pid 8100] <... close resumed>) = 0 [pid 8102] <... set_robust_list resumed>) = 0 [pid 8100] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8102 [pid 5051] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8102] chdir("./165" [pid 8100] <... symlink resumed>) = 0 [pid 8099] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8102] <... chdir resumed>) = 0 [pid 8100] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8100] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, ./strace-static-x86_64: Process 8103 attached [pid 8102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8099] <... clone3 resumed> => {parent_tid=[8103]}, 88) = 8103 [pid 8103] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8100] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8099] rt_sigprocmask(SIG_SETMASK, [], [pid 8102] <... prctl resumed>) = 0 [pid 8100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8102] setpgid(0, 0 [pid 8100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8102] <... setpgid resumed>) = 0 [pid 8103] <... rseq resumed>) = 0 [pid 8100] <... mmap resumed>) = 0x7f8728b89000 [pid 8099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8103] set_robust_list(0x7f8728ba99a0, 24 [pid 8099] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8103] <... set_robust_list resumed>) = 0 [pid 8102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8100] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8099] <... futex resumed>) = 0 [pid 8103] rt_sigprocmask(SIG_SETMASK, [], [pid 8099] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8100] <... mprotect resumed>) = 0 [pid 8103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8102] <... openat resumed>) = 3 [pid 8103] memfd_create("syzkaller", 0 [pid 8100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8103] <... memfd_create resumed>) = 3 [pid 8100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 279.106328][ T8098] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8102] write(3, "1000", 4 [pid 8100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... umount2 resumed>) = 0 [pid 8102] <... write resumed>) = 4 [pid 8102] close(3 [pid 8100] <... clone3 resumed> => {parent_tid=[8104]}, 88) = 8104 [pid 8102] <... close resumed>) = 0 [pid 8100] rt_sigprocmask(SIG_SETMASK, [], [pid 8102] symlink("/dev/binderfs", "./binderfs" [pid 8100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8102] <... symlink resumed>) = 0 [pid 8100] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8104 attached [pid 8102] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8100] <... futex resumed>) = 0 [pid 8104] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8102] <... futex resumed>) = 0 [pid 8100] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8104] <... rseq resumed>) = 0 [pid 8102] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8104] set_robust_list(0x7f8728ba99a0, 24 [pid 8102] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8104] <... set_robust_list resumed>) = 0 [pid 8102] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8104] rt_sigprocmask(SIG_SETMASK, [], [pid 8102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] newfstatat(AT_FDCWD, "./168/file0", [pid 8104] memfd_create("syzkaller", 0 [pid 8102] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8104] <... memfd_create resumed>) = 3 [pid 8102] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8102] <... mprotect resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5051] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4 [pid 5055] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8102] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... close resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 279.188377][ T8098] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 279.199571][ T8098] REISERFS (device loop3): using ordered data mode [ 279.206628][ T8098] reiserfs: using flush barriers [ 279.216677][ T8098] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5055] newfstatat(AT_FDCWD, "./162/file0", [pid 8104] <... mmap resumed>) = 0x7f8720789000 [pid 8102] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] rmdir("./168/file0" [pid 8102] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5055] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(3, ./strace-static-x86_64: Process 8105 attached [pid 8102] <... clone3 resumed> => {parent_tid=[8105]}, 88) = 8105 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8105] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8102] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] close(3 [pid 8102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... openat resumed>) = 4 [pid 5051] <... close resumed>) = 0 [pid 8102] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(4, "", [pid 5051] rmdir("./168" [pid 8105] <... rseq resumed>) = 0 [pid 8102] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8105] set_robust_list(0x7f8728ba99a0, 24 [pid 8102] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] getdents64(4, [pid 5051] <... rmdir resumed>) = 0 [pid 8105] <... set_robust_list resumed>) = 0 [pid 5051] mkdir("./169", 0777 [pid 8105] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] getdents64(4, [pid 5051] <... mkdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8105] memfd_create("syzkaller", 0) = 3 [pid 5055] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] rmdir("./162/file0" [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 8105] <... mmap resumed>) = 0x7f8720789000 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] close(3 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8106 ./strace-static-x86_64: Process 8106 attached [pid 8106] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... close resumed>) = 0 [pid 8106] <... set_robust_list resumed>) = 0 [pid 8103] <... write resumed>) = 4194304 [pid 5055] rmdir("./162" [pid 8103] munmap(0x7f8720789000, 138412032 [pid 8106] chdir("./169" [pid 8103] <... munmap resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8106] <... chdir resumed>) = 0 [ 279.243400][ T8098] REISERFS (device loop3): checking transaction log (loop3) [ 279.271127][ T8098] REISERFS (device loop3): Using tea hash to sort names [pid 8106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8106] setpgid(0, 0 [pid 5055] mkdir("./163", 0777 [pid 8106] <... setpgid resumed>) = 0 [pid 8106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8103] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5055] <... mkdir resumed>) = 0 [pid 8106] <... openat resumed>) = 3 [pid 8103] <... openat resumed>) = 4 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8103] ioctl(4, LOOP_SET_FD, 3 [pid 8106] write(3, "1000", 4) = 4 [pid 8106] close(3) = 0 [pid 8106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8106] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8106] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5055] <... openat resumed>) = 3 [pid 8106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8106] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8106] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8103] <... ioctl resumed>) = 0 [pid 5055] close(3 [pid 8106] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8103] close(3 [pid 8106] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8107 attached => {parent_tid=[8107]}, 88) = 8107 [pid 8107] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8106] rt_sigprocmask(SIG_SETMASK, [], [pid 8107] <... rseq resumed>) = 0 [pid 8106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8107] set_robust_list(0x7f8728ba99a0, 24 [pid 8106] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8107] <... set_robust_list resumed>) = 0 [pid 8106] <... futex resumed>) = 0 [pid 8103] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8107] rt_sigprocmask(SIG_SETMASK, [], [pid 8106] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8107] memfd_create("syzkaller", 0 [pid 8103] mkdir("./file0", 0777./strace-static-x86_64: Process 8108 attached [pid 8107] <... memfd_create resumed>) = 3 [pid 8103] <... mkdir resumed>) = 0 [pid 8108] set_robust_list(0x55555656d6a0, 24 [pid 8107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8103] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8098] <... mount resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8108 [pid 8108] <... set_robust_list resumed>) = 0 [pid 8098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 279.314814][ T8098] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 279.335151][ T8103] loop1: detected capacity change from 0 to 8192 [pid 8108] chdir("./163") = 0 [pid 8108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8108] setpgid(0, 0) = 0 [pid 8108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8098] chdir("./file0") = 0 [pid 8098] ioctl(4, LOOP_CLR_FD) = 0 [pid 8108] write(3, "1000", 4) = 4 [pid 8098] close(4 [pid 8108] close(3) = 0 [pid 8108] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8108] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8108] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8108] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8108] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8108] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8098] <... close resumed>) = 0 [pid 8108] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8098] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8108] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8110]}, 88) = 8110 [pid 8108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8108] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8098] <... futex resumed>) = 1 [pid 8097] <... futex resumed>) = 0 [pid 8108] <... futex resumed>) = 0 [pid 8108] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8097] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8097] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 279.378157][ T8103] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.415407][ T8103] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 8098] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000./strace-static-x86_64: Process 8110 attached [pid 8107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8104] <... write resumed>) = 4194304 [pid 8098] <... open resumed>) = 4 [pid 8110] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8104] munmap(0x7f8720789000, 138412032) = 0 [ 279.443967][ T8103] REISERFS (device loop1): using ordered data mode [ 279.444482][ T29] audit: type=1800 audit(1698988424.204:992): pid=8098 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 279.450480][ T8103] reiserfs: using flush barriers [pid 8110] <... rseq resumed>) = 0 [pid 8105] <... write resumed>) = 4194304 [pid 8104] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8110] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8110] rt_sigprocmask(SIG_SETMASK, [], [pid 8104] <... openat resumed>) = 4 [pid 8098] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8104] ioctl(4, LOOP_SET_FD, 3 [pid 8098] <... futex resumed>) = 0 [pid 8097] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] memfd_create("syzkaller", 0 [pid 8098] ftruncate(4, 33587195 [pid 8097] <... futex resumed>) = 0 [pid 8098] <... ftruncate resumed>) = 0 [pid 8097] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8110] <... memfd_create resumed>) = 3 [pid 8105] munmap(0x7f8720789000, 138412032 [pid 8098] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8104] <... ioctl resumed>) = 0 [pid 8110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8104] close(3 [pid 8098] <... futex resumed>) = 1 [pid 8110] <... mmap resumed>) = 0x7f8720789000 [pid 8097] <... futex resumed>) = 0 [pid 8104] <... close resumed>) = 0 [pid 8097] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8098] creat("./bus", 040 [pid 8097] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8098] <... creat resumed>) = 5 [pid 8105] <... munmap resumed>) = 0 [pid 8104] mkdir("./file0", 0777 [pid 8098] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8097] <... futex resumed>) = 0 [pid 8098] mkdirat(AT_FDCWD, "./file0", 000 [pid 8097] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8105] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8104] <... mkdir resumed>) = 0 [pid 8098] <... mkdirat resumed>) = 0 [pid 8097] <... futex resumed>) = 0 [pid 8104] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8098] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8097] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8098] <... futex resumed>) = 0 [pid 8097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8098] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8097] exit_group(0 [pid 8098] <... futex resumed>) = ? [pid 8097] <... exit_group resumed>) = ? [pid 8105] <... openat resumed>) = 4 [pid 8098] +++ exited with 0 +++ [pid 8097] +++ exited with 0 +++ [ 279.485813][ T8103] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.509546][ T8104] loop2: detected capacity change from 0 to 8192 [ 279.533311][ T8103] REISERFS (device loop1): checking transaction log (loop1) [pid 8105] ioctl(4, LOOP_SET_FD, 3 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8097, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5054] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./162/binderfs") = 0 [pid 5054] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8105] <... ioctl resumed>) = 0 [pid 8105] close(3) = 0 [pid 8105] mkdir("./file0", 0777) = 0 [pid 8105] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8107] <... write resumed>) = 4194304 [ 279.551952][ T8104] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.565410][ T8105] loop5: detected capacity change from 0 to 8192 [ 279.585745][ T8104] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8107] munmap(0x7f8720789000, 138412032 [pid 8110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8107] <... munmap resumed>) = 0 [pid 8107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 279.586121][ T8105] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.602889][ T8104] REISERFS (device loop2): using ordered data mode [ 279.609073][ T8103] REISERFS (device loop1): Using tea hash to sort names [ 279.622361][ T8103] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 279.632261][ T8105] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 279.640453][ T8107] loop0: detected capacity change from 0 to 8192 [pid 8107] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8103] <... mount resumed>) = 0 [pid 8107] close(3 [pid 8103] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8103] chdir("./file0") = 0 [pid 8103] ioctl(4, LOOP_CLR_FD) = 0 [pid 8103] close(4) = 0 [pid 8103] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8107] <... close resumed>) = 0 [pid 8103] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8099] <... futex resumed>) = 0 [pid 8107] mkdir("./file0", 0777 [pid 8099] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8107] <... mkdir resumed>) = 0 [pid 8103] <... futex resumed>) = 0 [pid 8099] <... futex resumed>) = 1 [pid 8107] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8103] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 279.641634][ T8105] REISERFS (device loop5): using ordered data mode [ 279.653528][ T8104] reiserfs: using flush barriers [ 279.654379][ T8105] reiserfs: using flush barriers [ 279.670606][ T8105] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8099] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8103] <... open resumed>) = 4 [ 279.712988][ T29] audit: type=1800 audit(1698988424.464:993): pid=8103 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 279.713952][ T8104] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8103] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8099] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8099] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8110] <... write resumed>) = 4194304 [pid 8103] <... futex resumed>) = 1 [pid 8099] <... futex resumed>) = 0 [pid 8103] ftruncate(4, 33587195 [pid 8099] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=25000000} [pid 8103] <... ftruncate resumed>) = 0 [pid 8110] munmap(0x7f8720789000, 138412032) = 0 [pid 8103] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = 0 [pid 8103] <... futex resumed>) = 1 [pid 8099] <... futex resumed>) = 0 [pid 8099] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8099] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8103] creat("./bus", 040 [ 279.764478][ T8107] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.778486][ T8105] REISERFS (device loop5): checking transaction log (loop5) [ 279.795487][ T8107] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 279.798348][ T8105] REISERFS (device loop5): Using tea hash to sort names [pid 5054] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8110] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8103] <... creat resumed>) = 5 [pid 8110] <... openat resumed>) = 4 [pid 8103] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] ioctl(4, LOOP_SET_FD, 3 [pid 8103] <... futex resumed>) = 1 [pid 8099] <... futex resumed>) = 0 [pid 8099] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8103] mkdirat(AT_FDCWD, "./file0", 000 [pid 8099] <... futex resumed>) = 0 [pid 8103] <... mkdirat resumed>) = 0 [pid 8099] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8103] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8099] <... futex resumed>) = 0 [pid 8099] exit_group(0) = ? [pid 5054] newfstatat(AT_FDCWD, "./162/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8103] +++ exited with 0 +++ [pid 8099] +++ exited with 0 +++ [pid 5054] <... openat resumed>) = 4 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8099, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8110] <... ioctl resumed>) = 0 [pid 8110] close(3) = 0 [pid 8110] mkdir("./file0", 0777) = 0 [ 279.805243][ T8107] REISERFS (device loop0): using ordered data mode [ 279.817872][ T8110] loop4: detected capacity change from 0 to 8192 [ 279.818617][ T8107] reiserfs: using flush barriers [ 279.835140][ T8105] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 279.836311][ T8104] REISERFS (device loop2): checking transaction log (loop2) [pid 8110] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8105] <... mount resumed>) = 0 [pid 5054] getdents64(4, [pid 5052] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8105] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8105] <... openat resumed>) = 3 [pid 5054] getdents64(4, [pid 5052] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8105] chdir("./file0" [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8105] <... chdir resumed>) = 0 [pid 5054] close(4 [pid 5052] newfstatat(3, "", [pid 8105] ioctl(4, LOOP_CLR_FD [pid 5054] <... close resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8105] <... ioctl resumed>) = 0 [pid 5054] rmdir("./162/file0" [pid 5052] getdents64(3, [pid 8105] close(4 [pid 5054] <... rmdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8105] <... close resumed>) = 0 [pid 5054] getdents64(3, [pid 5052] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8105] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8105] <... futex resumed>) = 1 [pid 8102] <... futex resumed>) = 0 [pid 5054] close(3 [pid 5052] newfstatat(AT_FDCWD, "./166/binderfs", [pid 8105] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8102] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8102] <... futex resumed>) = 0 [pid 5054] rmdir("./162" [pid 5052] unlink("./166/binderfs" [pid 8105] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8102] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... rmdir resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 8105] <... open resumed>) = 4 [pid 5054] mkdir("./163", 0777 [pid 5052] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8105] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8102] <... futex resumed>) = 0 [pid 8105] ftruncate(4, 33587195 [pid 8102] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8105] <... ftruncate resumed>) = 0 [pid 8105] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8102] <... futex resumed>) = 0 [pid 8105] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8102] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8102] <... futex resumed>) = 0 [pid 8105] creat("./bus", 040 [pid 8102] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8105] <... creat resumed>) = 5 [ 279.848693][ T8107] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 279.867388][ T29] audit: type=1800 audit(1698988424.604:994): pid=8105 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 279.884226][ T8110] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 279.889554][ T8104] REISERFS (device loop2): Using tea hash to sort names [pid 8105] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8102] <... futex resumed>) = 0 [pid 8102] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8102] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8105] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8105] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8102] <... futex resumed>) = 0 [pid 8102] exit_group(0) = ? [pid 8105] +++ exited with 0 +++ [pid 8102] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8102, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5054] <... mkdir resumed>) = 0 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 8104] <... mount resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8104] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 8115 attached ) = 3 [pid 5056] <... restart_syscall resumed>) = 0 [pid 8115] set_robust_list(0x55555656d6a0, 24 [pid 8104] chdir("./file0" [pid 8115] <... set_robust_list resumed>) = 0 [pid 5056] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8115] chdir("./163" [pid 8104] <... chdir resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8115] <... chdir resumed>) = 0 [pid 8104] ioctl(4, LOOP_CLR_FD [pid 5056] <... openat resumed>) = 3 [pid 8115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8104] <... ioctl resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 8115] setpgid(0, 0 [pid 8104] close(4 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8115 [pid 8115] <... setpgid resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8104] <... close resumed>) = 0 [pid 8104] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8104] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8100] <... futex resumed>) = 0 [pid 8115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8100] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(3, [pid 8100] <... futex resumed>) = 1 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [ 279.907554][ T8110] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 279.927823][ T8107] REISERFS (device loop0): checking transaction log (loop0) [ 279.936138][ T8104] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 279.937376][ T8107] REISERFS (device loop0): Using tea hash to sort names [ 279.953950][ T8110] REISERFS (device loop4): using ordered data mode [ 279.960546][ T8110] reiserfs: using flush barriers [pid 8100] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8104] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./165/binderfs" [pid 8104] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] <... unlink resumed>) = 0 [pid 8107] <... mount resumed>) = 0 [pid 8115] <... openat resumed>) = 3 [pid 8107] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8115] write(3, "1000", 4 [pid 8107] <... openat resumed>) = 3 [pid 8115] <... write resumed>) = 4 [pid 8107] chdir("./file0" [pid 8115] close(3 [pid 8107] <... chdir resumed>) = 0 [pid 8115] <... close resumed>) = 0 [pid 8107] ioctl(4, LOOP_CLR_FD [pid 8115] symlink("/dev/binderfs", "./binderfs" [pid 8107] <... ioctl resumed>) = 0 [pid 8115] <... symlink resumed>) = 0 [pid 8107] close(4) = 0 [pid 8107] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8107] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8106] <... futex resumed>) = 0 [pid 8106] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8107] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8106] <... futex resumed>) = 0 [pid 8107] <... open resumed>) = 4 [pid 8106] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8104] <... open resumed>) = 4 [pid 8100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8107] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8107] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8115] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8104] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8100] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8100] <... futex resumed>) = 0 [pid 8115] <... futex resumed>) = 0 [pid 8107] <... futex resumed>) = 0 [pid 8106] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8104] <... futex resumed>) = 0 [pid 8100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8115] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8107] ftruncate(4, 33587195 [pid 8104] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8100] <... mmap resumed>) = 0x7f8728b68000 [ 279.978982][ T8107] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 279.983069][ T8110] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.007280][ T29] audit: type=1800 audit(1698988424.764:995): pid=8107 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 8115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8107] <... ftruncate resumed>) = 0 [pid 8100] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 8115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8107] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8107] <... futex resumed>) = 1 [pid 8115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8107] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8115] <... mmap resumed>) = 0x7f8728b89000 [pid 8106] <... futex resumed>) = 0 [pid 8100] <... mprotect resumed>) = 0 [pid 8106] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8107] <... futex resumed>) = 0 [pid 8106] <... futex resumed>) = 1 [pid 8100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8106] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0}./strace-static-x86_64: Process 8116 attached [pid 8115] <... mprotect resumed>) = 0 [pid 8107] creat("./bus", 040 [pid 8116] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053) = 0 [pid 8115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8100] <... clone3 resumed> => {parent_tid=[8116]}, 88) = 8116 [pid 8116] set_robust_list(0x7f8728b889a0, 24 [pid 8100] rt_sigprocmask(SIG_SETMASK, [], [pid 8116] <... set_robust_list resumed>) = 0 [pid 8100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8116] rt_sigprocmask(SIG_SETMASK, [], [pid 8100] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8107] <... creat resumed>) = 5 [pid 8100] <... futex resumed>) = 0 [pid 8116] ftruncate(4, 33587195 [pid 8100] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8116] <... ftruncate resumed>) = 0 [pid 8115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8107] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8106] <... futex resumed>) = 0 [pid 8115] <... clone3 resumed> => {parent_tid=[8117]}, 88) = 8117 [pid 8107] mkdirat(AT_FDCWD, "./file0", 000 [pid 8106] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] rt_sigprocmask(SIG_SETMASK, [], [pid 8107] <... mkdirat resumed>) = 0 [pid 8106] <... futex resumed>) = 0 [pid 8115] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 280.065965][ T8110] REISERFS (device loop4): checking transaction log (loop4) [ 280.105944][ T8110] REISERFS (device loop4): Using tea hash to sort names [pid 8107] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8117 attached [pid 8116] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8116] <... futex resumed>) = 1 [pid 8115] <... futex resumed>) = 0 [pid 8107] <... futex resumed>) = 0 [pid 8106] exit_group(0 [pid 8100] <... futex resumed>) = 0 [pid 8115] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8107] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8117] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8117] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8117] memfd_create("syzkaller", 0 [pid 8107] <... futex resumed>) = ? [pid 8106] <... exit_group resumed>) = ? [pid 8100] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8107] +++ exited with 0 +++ [pid 8106] +++ exited with 0 +++ [pid 8104] <... futex resumed>) = 0 [pid 8100] <... futex resumed>) = 1 [pid 8117] <... memfd_create resumed>) = 3 [pid 8117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8116] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8104] creat("./bus", 040 [pid 8100] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8104] <... creat resumed>) = 5 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8106, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5051] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8110] <... mount resumed>) = 0 [pid 8104] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = 0 [pid 8104] <... futex resumed>) = 1 [pid 8100] <... futex resumed>) = 0 [pid 5051] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8100] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8104] mkdirat(AT_FDCWD, "./file0", 000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8100] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8100] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... openat resumed>) = 3 [pid 8110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8104] <... mkdirat resumed>) = 0 [pid 5052] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(3, "", [pid 8104] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8104] <... futex resumed>) = 1 [pid 8100] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] newfstatat(AT_FDCWD, "./166/file0", [pid 8100] exit_group(0 [pid 5051] getdents64(3, [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8100] <... exit_group resumed>) = ? [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8116] <... futex resumed>) = ? [pid 5051] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8116] +++ exited with 0 +++ [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8110] <... openat resumed>) = 3 [pid 5051] newfstatat(AT_FDCWD, "./169/binderfs", [pid 8110] chdir("./file0" [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] unlink("./169/binderfs" [pid 8117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8110] <... chdir resumed>) = 0 [pid 8104] +++ exited with 0 +++ [pid 8100] +++ exited with 0 +++ [pid 5052] <... openat resumed>) = 4 [pid 5051] <... unlink resumed>) = 0 [pid 8110] ioctl(4, LOOP_CLR_FD [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8100, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5052] newfstatat(4, "", [pid 5051] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8110] <... ioctl resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8110] close(4 [pid 5053] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(4, [pid 8110] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 280.116125][ T8110] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 280.119986][ T29] audit: type=1800 audit(1698988424.764:996): pid=8104 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 8110] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./165/binderfs") = 0 [pid 8110] <... futex resumed>) = 1 [pid 8108] <... futex resumed>) = 0 [pid 5053] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(4, [pid 8108] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8108] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./166/file0") = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 5052] rmdir("./166") = 0 [pid 8110] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 5052] mkdir("./167", 0777 [pid 8110] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 8108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8108] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8108] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8108] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8110] <... futex resumed>) = 0 [pid 8110] ftruncate(4, 33587195 [pid 5056] newfstatat(AT_FDCWD, "./165/file0", [pid 8110] <... ftruncate resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 280.233229][ T29] audit: type=1800 audit(1698988424.984:997): pid=8110 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8110] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... openat resumed>) = 3 [pid 8117] <... write resumed>) = 4194304 [pid 8110] <... futex resumed>) = 1 [pid 8108] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8110] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8108] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8117] munmap(0x7f8720789000, 138412032 [pid 8110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8108] <... futex resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] close(3 [pid 5051] <... umount2 resumed>) = 0 [pid 8110] creat("./bus", 040 [pid 8108] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... openat resumed>) = 4 [pid 8110] <... creat resumed>) = 5 [pid 5056] newfstatat(4, "", [pid 5052] <... close resumed>) = 0 [pid 5051] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] getdents64(4, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] newfstatat(AT_FDCWD, "./169/file0", ./strace-static-x86_64: Process 8118 attached [pid 8117] <... munmap resumed>) = 0 [pid 8110] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8118 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8118] set_robust_list(0x55555656d6a0, 24 [pid 8117] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8110] <... futex resumed>) = 1 [pid 8108] <... futex resumed>) = 0 [pid 5053] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8118] <... set_robust_list resumed>) = 0 [pid 8108] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8118] chdir("./167" [pid 8117] <... openat resumed>) = 4 [pid 8108] <... futex resumed>) = 0 [pid 5056] close(4 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8118] <... chdir resumed>) = 0 [pid 8117] ioctl(4, LOOP_SET_FD, 3 [pid 8110] mkdirat(AT_FDCWD, "./file0", 000 [pid 8108] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8118] <... prctl resumed>) = 0 [pid 8118] setpgid(0, 0) = 0 [pid 8118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8118] write(3, "1000", 4) = 4 [pid 8118] close(3) = 0 [pid 8110] <... mkdirat resumed>) = 0 [pid 5056] rmdir("./165/file0" [pid 5053] newfstatat(AT_FDCWD, "./165/file0", [pid 5051] <... openat resumed>) = 4 [pid 8118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8110] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] newfstatat(4, "", [pid 8118] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8110] <... futex resumed>) = 1 [pid 8108] <... futex resumed>) = 0 [pid 5053] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8118] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8108] exit_group(0 [pid 8118] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8110] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8108] <... exit_group resumed>) = ? [pid 8118] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8110] +++ exited with 0 +++ [pid 5053] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] getdents64(4, [pid 8118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8118] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8118] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8119 attached [pid 8108] +++ exited with 0 +++ [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8119] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8118] <... clone3 resumed> => {parent_tid=[8119]}, 88) = 8119 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8108, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5053] <... openat resumed>) = 4 [pid 8119] <... rseq resumed>) = 0 [pid 8118] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] newfstatat(4, "", [pid 8119] set_robust_list(0x7f8728ba99a0, 24 [pid 8118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] getdents64(4, [pid 8119] <... set_robust_list resumed>) = 0 [pid 8118] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] rt_sigprocmask(SIG_SETMASK, [], [pid 8118] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8118] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] getdents64(4, [pid 5051] close(4 [pid 8119] memfd_create("syzkaller", 0 [pid 5051] <... close resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8119] <... memfd_create resumed>) = 3 [pid 5056] getdents64(3, [pid 5053] getdents64(4, [pid 5051] rmdir("./169/file0" [pid 5055] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] close(4 [pid 5051] <... rmdir resumed>) = 0 [pid 8119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5055] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8117] <... ioctl resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... close resumed>) = 0 [pid 5051] getdents64(3, [pid 8117] close(3 [pid 5056] close(3 [pid 5055] <... openat resumed>) = 3 [pid 5053] rmdir("./165/file0" [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8117] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 5051] close(3 [pid 8117] mkdir("./file0", 0777 [pid 5056] rmdir("./165" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 8117] <... mkdir resumed>) = 0 [pid 5051] rmdir("./169" [pid 5055] getdents64(3, [pid 5053] getdents64(3, [pid 5051] <... rmdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] mkdir("./170", 0777 [pid 5055] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8117] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] close(3 [pid 5051] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] newfstatat(AT_FDCWD, "./163/binderfs", [pid 5053] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] rmdir("./165" [pid 5051] ioctl(3, LOOP_CLR_FD [ 280.363027][ T8117] loop3: detected capacity change from 0 to 8192 [pid 5056] mkdir("./166", 0777 [pid 5055] unlink("./163/binderfs" [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... unlink resumed>) = 0 [pid 5053] mkdir("./166", 0777 [pid 5051] close(3 [pid 5056] <... mkdir resumed>) = 0 [pid 5055] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... mkdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8121 ./strace-static-x86_64: Process 8121 attached [pid 8121] set_robust_list(0x55555656d6a0, 24 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8121] <... set_robust_list resumed>) = 0 [pid 8121] chdir("./170") = 0 [pid 5056] <... openat resumed>) = 3 [pid 8121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8121] <... prctl resumed>) = 0 [pid 8121] setpgid(0, 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 5053] <... openat resumed>) = 3 [pid 8121] <... setpgid resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8121] <... openat resumed>) = 3 [pid 8121] write(3, "1000", 4) = 4 [pid 8121] close(3) = 0 [pid 8121] symlink("/dev/binderfs", "./binderfs" [pid 5053] close(3./strace-static-x86_64: Process 8122 attached [pid 8121] <... symlink resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8122 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8122] set_robust_list(0x55555656d6a0, 24 [pid 8121] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8121] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8122] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 8123 attached [pid 8122] chdir("./166" [pid 8121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8121] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8123] set_robust_list(0x55555656d6a0, 24 [pid 8122] <... chdir resumed>) = 0 [pid 8121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8123 [pid 8123] <... set_robust_list resumed>) = 0 [pid 8122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8123] chdir("./166" [pid 8122] <... prctl resumed>) = 0 [pid 8122] setpgid(0, 0) = 0 [pid 8121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8121] <... clone3 resumed> => {parent_tid=[8124]}, 88) = 8124 [pid 8121] rt_sigprocmask(SIG_SETMASK, [], [pid 8122] <... openat resumed>) = 3 [pid 8121] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 8124 attached [ 280.408074][ T8117] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.422309][ T8117] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8121] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8123] <... chdir resumed>) = 0 [pid 8122] write(3, "1000", 4 [pid 8119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8122] <... write resumed>) = 4 [pid 8122] close(3 [pid 8123] <... prctl resumed>) = 0 [pid 8122] <... close resumed>) = 0 [pid 8123] setpgid(0, 0 [pid 8122] symlink("/dev/binderfs", "./binderfs" [pid 8123] <... setpgid resumed>) = 0 [pid 8124] <... rseq resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 8124] set_robust_list(0x7f8728ba99a0, 24 [pid 8121] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8124] <... set_robust_list resumed>) = 0 [pid 8124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8124] memfd_create("syzkaller", 0 [pid 8122] <... symlink resumed>) = 0 [pid 8124] <... memfd_create resumed>) = 3 [pid 8122] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8122] <... futex resumed>) = 0 [pid 8124] <... mmap resumed>) = 0x7f8720789000 [pid 8123] <... openat resumed>) = 3 [pid 8122] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8123] write(3, "1000", 4 [pid 8122] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8123] <... write resumed>) = 4 [pid 8122] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8123] close(3 [pid 8122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8123] <... close resumed>) = 0 [pid 8123] symlink("/dev/binderfs", "./binderfs" [pid 8122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [ 280.461657][ T8117] REISERFS (device loop3): using ordered data mode [ 280.494129][ T8117] reiserfs: using flush barriers [pid 8123] <... symlink resumed>) = 0 [pid 8122] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8123] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8122] <... mprotect resumed>) = 0 [pid 8123] <... futex resumed>) = 0 [pid 8122] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8123] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8122] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8122] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8125 attached [pid 8123] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8119] <... write resumed>) = 4194304 [pid 8123] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8122] <... clone3 resumed> => {parent_tid=[8125]}, 88) = 8125 [pid 8125] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8122] rt_sigprocmask(SIG_SETMASK, [], [pid 8119] munmap(0x7f8720789000, 138412032 [pid 8125] <... rseq resumed>) = 0 [pid 8123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8125] set_robust_list(0x7f8728ba99a0, 24 [pid 8123] <... mmap resumed>) = 0x7f8728b89000 [pid 8125] <... set_robust_list resumed>) = 0 [pid 8125] rt_sigprocmask(SIG_SETMASK, [], [pid 8123] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8125] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] <... mprotect resumed>) = 0 [pid 8123] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8123] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8122] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8125] <... futex resumed>) = 0 [ 280.504188][ T8117] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8122] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8125] memfd_create("syzkaller", 0) = 3 [pid 8123] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8119] <... munmap resumed>) = 0 [pid 8123] <... clone3 resumed> => {parent_tid=[8126]}, 88) = 8126 [pid 8125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8126 attached [pid 8126] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8126] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8126] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8125] <... mmap resumed>) = 0x7f8720789000 [pid 8123] rt_sigprocmask(SIG_SETMASK, [], [pid 8119] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8124] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] <... umount2 resumed>) = 0 [pid 5055] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./163/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8123] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8119] <... openat resumed>) = 4 [pid 8123] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] ioctl(4, LOOP_SET_FD, 3 [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4 [pid 8123] <... futex resumed>) = 1 [pid 5055] <... close resumed>) = 0 [pid 8126] <... futex resumed>) = 0 [pid 8123] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8119] <... ioctl resumed>) = 0 [pid 8126] memfd_create("syzkaller", 0 [pid 8119] close(3 [pid 5055] rmdir("./163/file0" [pid 8119] <... close resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8119] mkdir("./file0", 0777 [pid 8126] <... memfd_create resumed>) = 3 [pid 8126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8119] <... mkdir resumed>) = 0 [ 280.556225][ T8117] REISERFS (device loop3): checking transaction log (loop3) [ 280.585379][ T8117] REISERFS (device loop3): Using tea hash to sort names [ 280.592855][ T8119] loop1: detected capacity change from 0 to 8192 [pid 8126] <... mmap resumed>) = 0x7f8720789000 [pid 8119] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5055] rmdir("./163") = 0 [pid 5055] mkdir("./164", 0777) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3 [pid 8117] <... mount resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8125] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8117] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8117] <... openat resumed>) = 3 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8128 ./strace-static-x86_64: Process 8128 attached [pid 8126] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8117] chdir("./file0") = 0 [pid 8117] ioctl(4, LOOP_CLR_FD) = 0 [pid 8128] set_robust_list(0x55555656d6a0, 24 [pid 8117] close(4 [pid 8128] <... set_robust_list resumed>) = 0 [pid 8128] chdir("./164") = 0 [pid 8117] <... close resumed>) = 0 [pid 8128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8117] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] setpgid(0, 0 [pid 8117] <... futex resumed>) = 1 [pid 8128] <... setpgid resumed>) = 0 [pid 8117] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8128] write(3, "1000", 4) = 4 [pid 8115] <... futex resumed>) = 0 [pid 8128] close(3 [pid 8115] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] <... close resumed>) = 0 [pid 8117] <... futex resumed>) = 0 [pid 8115] <... futex resumed>) = 1 [pid 8128] symlink("/dev/binderfs", "./binderfs" [pid 8117] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8115] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8128] <... symlink resumed>) = 0 [pid 8117] <... open resumed>) = 4 [ 280.606669][ T8117] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 280.634875][ T8119] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8128] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8117] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] <... futex resumed>) = 0 [pid 8117] <... futex resumed>) = 1 [pid 8115] <... futex resumed>) = 0 [pid 8128] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8117] ftruncate(4, 33587195 [pid 8115] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8117] <... ftruncate resumed>) = 0 [pid 8128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8117] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8115] <... futex resumed>) = 0 [pid 8128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8117] <... futex resumed>) = 0 [pid 8115] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8117] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8128] <... mmap resumed>) = 0x7f8728b89000 [pid 8117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8115] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8126] <... write resumed>) = 4194304 [pid 8117] creat("./bus", 040 [pid 8115] <... futex resumed>) = 0 [pid 8128] <... mprotect resumed>) = 0 [pid 8126] munmap(0x7f8720789000, 138412032 [pid 8115] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8128] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8126] <... munmap resumed>) = 0 [pid 8124] <... write resumed>) = 4194304 [pid 8117] <... creat resumed>) = 5 ./strace-static-x86_64: Process 8129 attached [pid 8126] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8125] <... write resumed>) = 4194304 [pid 8124] munmap(0x7f8720789000, 138412032 [pid 8117] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8129] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8128] <... clone3 resumed> => {parent_tid=[8129]}, 88) = 8129 [pid 8125] munmap(0x7f8720789000, 138412032 [pid 8117] <... futex resumed>) = 1 [pid 8115] <... futex resumed>) = 0 [pid 8129] <... rseq resumed>) = 0 [pid 8128] rt_sigprocmask(SIG_SETMASK, [], [pid 8126] <... openat resumed>) = 4 [ 280.713726][ T8119] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 280.722973][ T8119] REISERFS (device loop1): using ordered data mode [ 280.747002][ T8119] reiserfs: using flush barriers [pid 8117] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8115] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8129] set_robust_list(0x7f8728ba99a0, 24 [pid 8128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8126] ioctl(4, LOOP_SET_FD, 3 [pid 8125] <... munmap resumed>) = 0 [pid 8124] <... munmap resumed>) = 0 [pid 8117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8115] <... futex resumed>) = 0 [pid 8129] <... set_robust_list resumed>) = 0 [pid 8128] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8117] mkdirat(AT_FDCWD, "./file0", 000 [pid 8115] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8129] rt_sigprocmask(SIG_SETMASK, [], [pid 8128] <... futex resumed>) = 0 [pid 8117] <... mkdirat resumed>) = 0 [pid 8129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8128] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8117] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8129] memfd_create("syzkaller", 0 [pid 8117] <... futex resumed>) = 1 [pid 8115] <... futex resumed>) = 0 [pid 8129] <... memfd_create resumed>) = 3 [pid 8115] exit_group(0 [pid 8129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8115] <... exit_group resumed>) = ? [pid 8129] <... mmap resumed>) = 0x7f8720789000 [pid 8124] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8125] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8126] <... ioctl resumed>) = 0 [pid 8125] <... openat resumed>) = 4 [pid 8124] <... openat resumed>) = 4 [pid 8126] close(3 [pid 8125] ioctl(4, LOOP_SET_FD, 3 [pid 8124] ioctl(4, LOOP_SET_FD, 3 [pid 8126] <... close resumed>) = 0 [pid 8126] mkdir("./file0", 0777) = 0 [pid 8117] +++ exited with 0 +++ [pid 8115] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8115, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5054] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8126] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./163/binderfs") = 0 [pid 5054] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8124] <... ioctl resumed>) = 0 [pid 8125] <... ioctl resumed>) = 0 [pid 8124] close(3 [pid 8125] close(3 [pid 8124] <... close resumed>) = 0 [pid 8125] <... close resumed>) = 0 [pid 8124] mkdir("./file0", 0777 [ 280.759881][ T8119] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.776831][ T8126] loop2: detected capacity change from 0 to 8192 [ 280.785552][ T8119] REISERFS (device loop1): checking transaction log (loop1) [ 280.794180][ T8124] loop0: detected capacity change from 0 to 8192 [ 280.800887][ T8125] loop5: detected capacity change from 0 to 8192 [pid 8125] mkdir("./file0", 0777 [pid 8129] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8125] <... mkdir resumed>) = 0 [pid 8124] <... mkdir resumed>) = 0 [pid 8125] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 280.809770][ T8126] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.825436][ T8119] REISERFS (device loop1): Using tea hash to sort names [ 280.836968][ T8119] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 280.839553][ T8126] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8124] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8119] <... mount resumed>) = 0 [pid 8119] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8119] chdir("./file0") = 0 [pid 8119] ioctl(4, LOOP_CLR_FD) = 0 [pid 8119] close(4) = 0 [pid 8119] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 280.856219][ T8124] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.872477][ T8125] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 280.883584][ T8126] REISERFS (device loop2): using ordered data mode [ 280.900375][ T8126] reiserfs: using flush barriers [pid 8119] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8118] <... futex resumed>) = 0 [pid 8118] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5054] <... umount2 resumed>) = 0 [pid 8118] <... futex resumed>) = 0 [pid 8118] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8119] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5054] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./163/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, [pid 8119] <... open resumed>) = 4 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./163/file0" [pid 8119] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... rmdir resumed>) = 0 [pid 8119] <... futex resumed>) = 1 [pid 8118] <... futex resumed>) = 0 [pid 5054] getdents64(3, [pid 8119] ftruncate(4, 33587195 [pid 8118] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8118] <... futex resumed>) = 0 [pid 5054] close(3 [pid 8118] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... close resumed>) = 0 [ 280.913872][ T8124] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 280.917024][ T8126] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 280.923251][ T8124] REISERFS (device loop0): using ordered data mode [ 280.948883][ T8125] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5054] rmdir("./163" [pid 8119] <... ftruncate resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5054] mkdir("./164", 0777 [pid 8119] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... mkdir resumed>) = 0 [pid 8119] <... futex resumed>) = 1 [pid 8118] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8119] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8118] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8118] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 8118] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8119] creat("./bus", 040 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8133 attached [pid 8119] <... creat resumed>) = 5 [pid 8133] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8133 [pid 8133] chdir("./164") = 0 [pid 8133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8133] setpgid(0, 0) = 0 [pid 8133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8133] write(3, "1000", 4) = 4 [pid 8133] close(3) = 0 [pid 8133] symlink("/dev/binderfs", "./binderfs" [pid 8119] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] <... symlink resumed>) = 0 [pid 8119] <... futex resumed>) = 1 [pid 8118] <... futex resumed>) = 0 [pid 8118] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8119] mkdirat(AT_FDCWD, "./file0", 000 [pid 8118] <... futex resumed>) = 0 [pid 8133] <... futex resumed>) = 0 [pid 8118] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8133] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8119] <... mkdirat resumed>) = 0 [pid 8133] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8119] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8119] <... futex resumed>) = 1 [pid 8118] <... futex resumed>) = 0 [pid 8129] <... write resumed>) = 4194304 [pid 8133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8119] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8118] exit_group(0 [pid 8133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8118] <... exit_group resumed>) = ? [pid 8133] <... mmap resumed>) = 0x7f8728b89000 [pid 8119] <... futex resumed>) = ? [ 280.968649][ T8125] REISERFS (device loop5): using ordered data mode [ 280.995099][ T8126] REISERFS (device loop2): checking transaction log (loop2) [ 281.005240][ T8125] reiserfs: using flush barriers [ 281.008460][ T8124] reiserfs: using flush barriers [pid 8133] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8129] munmap(0x7f8720789000, 138412032 [pid 8119] +++ exited with 0 +++ [pid 8118] +++ exited with 0 +++ [pid 8133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8134]}, 88) = 8134 [pid 8133] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8133] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8133] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8134 attached [pid 8129] <... munmap resumed>) = 0 [ 281.024804][ T8124] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.035888][ T8125] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.044128][ T8124] REISERFS (device loop0): checking transaction log (loop0) [ 281.059893][ T8125] REISERFS (device loop5): checking transaction log (loop5) [pid 8134] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8129] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8118, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 8134] <... rseq resumed>) = 0 [pid 8129] <... openat resumed>) = 4 [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 8126] <... mount resumed>) = 0 [pid 8124] <... mount resumed>) = 0 [pid 8126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8124] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8126] <... openat resumed>) = 3 [pid 8124] <... openat resumed>) = 3 [pid 8126] chdir("./file0" [pid 8124] chdir("./file0" [pid 8126] <... chdir resumed>) = 0 [pid 5052] <... restart_syscall resumed>) = 0 [pid 8124] <... chdir resumed>) = 0 [pid 8124] ioctl(4, LOOP_CLR_FD [pid 8126] ioctl(4, LOOP_CLR_FD) = 0 [pid 8124] <... ioctl resumed>) = 0 [pid 5052] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./167/binderfs") = 0 [pid 5052] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8129] ioctl(4, LOOP_SET_FD, 3 [ 281.067377][ T8126] REISERFS (device loop2): Using tea hash to sort names [ 281.078454][ T8124] REISERFS (device loop0): Using tea hash to sort names [ 281.079739][ T8126] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 281.086727][ T8124] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 281.108442][ T8125] REISERFS (device loop5): Using tea hash to sort names [pid 8126] close(4 [pid 8124] close(4) = 0 [pid 8126] <... close resumed>) = 0 [pid 8124] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8126] <... futex resumed>) = 1 [pid 8124] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] <... futex resumed>) = 0 [pid 8121] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] set_robust_list(0x7f8728ba99a0, 24 [pid 8121] <... futex resumed>) = 0 [pid 8134] <... set_robust_list resumed>) = 0 [pid 8121] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8134] rt_sigprocmask(SIG_SETMASK, [], [pid 8126] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8123] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8123] <... futex resumed>) = 0 [pid 8134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8126] <... open resumed>) = 4 [pid 8124] <... open resumed>) = 4 [pid 8123] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8134] memfd_create("syzkaller", 0 [pid 8126] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] <... memfd_create resumed>) = 3 [pid 8126] <... futex resumed>) = 1 [pid 8124] <... futex resumed>) = 1 [pid 8123] <... futex resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 8124] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8123] <... futex resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 8134] <... mmap resumed>) = 0x7f8720789000 [pid 8124] ftruncate(4, 33587195 [pid 8123] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8121] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8126] ftruncate(4, 33587195 [pid 8129] <... ioctl resumed>) = 0 [pid 8124] <... ftruncate resumed>) = 0 [pid 8129] close(3) = 0 [pid 8129] mkdir("./file0", 0777 [pid 8126] <... ftruncate resumed>) = 0 [pid 8129] <... mkdir resumed>) = 0 [pid 8129] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8124] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 281.116883][ T8125] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 281.118970][ T8129] loop4: detected capacity change from 0 to 8192 [pid 8126] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] <... futex resumed>) = 1 [pid 8123] <... futex resumed>) = 0 [pid 8126] <... futex resumed>) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8126] creat("./bus", 040 [pid 8125] <... mount resumed>) = 0 [pid 8124] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... creat resumed>) = 5 [pid 8125] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8123] <... futex resumed>) = 0 [pid 8123] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8124] creat("./bus", 040 [pid 8126] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8125] <... openat resumed>) = 3 [pid 8124] <... creat resumed>) = 5 [pid 8126] <... futex resumed>) = 1 [pid 8125] chdir("./file0" [pid 8123] <... futex resumed>) = 0 [pid 8125] <... chdir resumed>) = 0 [pid 8123] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] mkdirat(AT_FDCWD, "./file0", 000 [pid 8125] ioctl(4, LOOP_CLR_FD [pid 8123] <... futex resumed>) = 0 [pid 8123] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8125] <... ioctl resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 8121] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8125] close(4) = 0 [pid 8126] <... mkdirat resumed>) = 0 [pid 8126] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8125] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8126] <... futex resumed>) = 1 [pid 8125] <... futex resumed>) = 1 [pid 8124] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8123] <... futex resumed>) = 0 [pid 8124] <... futex resumed>) = 1 [pid 8125] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] exit_group(0 [pid 8122] <... futex resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 8124] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8123] <... exit_group resumed>) = ? [pid 8122] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8125] <... futex resumed>) = 0 [pid 8124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8122] <... futex resumed>) = 1 [pid 8121] <... futex resumed>) = 0 [pid 8125] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 281.177947][ T8129] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8124] mkdirat(AT_FDCWD, "./file0", 000 [pid 8126] +++ exited with 0 +++ [pid 8125] <... open resumed>) = 4 [pid 8124] <... mkdirat resumed>) = 0 [pid 8123] +++ exited with 0 +++ [pid 8122] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8121] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8125] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8124] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8123, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 8125] <... futex resumed>) = 1 [pid 8124] <... futex resumed>) = 1 [pid 8122] <... futex resumed>) = 0 [pid 8121] <... futex resumed>) = 0 [pid 5053] <... restart_syscall resumed>) = 0 [pid 8125] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8124] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8122] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8121] exit_group(0 [pid 8125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8124] <... futex resumed>) = ? [pid 8122] <... futex resumed>) = 0 [pid 8121] <... exit_group resumed>) = ? [pid 8125] ftruncate(4, 33587195 [pid 8122] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8124] +++ exited with 0 +++ [pid 8121] +++ exited with 0 +++ [pid 5053] getdents64(3, [pid 8125] <... ftruncate resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8121, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5053] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 281.229960][ T8129] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 281.239949][ T8129] REISERFS (device loop4): using ordered data mode [ 281.247567][ T8129] reiserfs: using flush barriers [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... restart_syscall resumed>) = 0 [pid 8134] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8125] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = 0 [pid 5052] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(AT_FDCWD, "./166/binderfs", [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(AT_FDCWD, "./167/file0", [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8125] <... futex resumed>) = 1 [pid 8122] <... futex resumed>) = 0 [pid 5053] unlink("./166/binderfs" [pid 5051] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8122] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... unlink resumed>) = 0 [pid 5052] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 8122] <... futex resumed>) = 0 [pid 8122] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 281.267033][ T8129] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 281.298061][ T8129] REISERFS (device loop4): checking transaction log (loop4) [ 281.312626][ T8129] REISERFS (device loop4): Using tea hash to sort names [pid 5051] newfstatat(3, "", [pid 8125] creat("./bus", 040 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] getdents64(3, [pid 8125] <... creat resumed>) = 5 [pid 5052] <... openat resumed>) = 4 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8125] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(4, "", [pid 5051] unlink("./170/binderfs" [pid 8129] <... mount resumed>) = 0 [pid 8125] <... futex resumed>) = 1 [pid 8122] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 8129] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8125] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8122] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 5051] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8129] <... openat resumed>) = 3 [pid 8125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8122] <... futex resumed>) = 0 [pid 8129] chdir("./file0" [pid 8125] mkdirat(AT_FDCWD, "./file0", 000 [pid 8122] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8125] <... mkdirat resumed>) = 0 [pid 5052] getdents64(4, [pid 8129] <... chdir resumed>) = 0 [pid 8125] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8129] ioctl(4, LOOP_CLR_FD [pid 8125] <... futex resumed>) = 1 [pid 8122] <... futex resumed>) = 0 [pid 5052] close(4 [pid 8129] <... ioctl resumed>) = 0 [pid 8125] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8122] exit_group(0 [pid 5052] <... close resumed>) = 0 [pid 8129] close(4 [pid 8125] <... futex resumed>) = ? [pid 8122] <... exit_group resumed>) = ? [pid 5052] rmdir("./167/file0" [pid 8125] +++ exited with 0 +++ [pid 8122] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8122, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5052] <... rmdir resumed>) = 0 [pid 5056] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8129] <... close resumed>) = 0 [pid 5052] getdents64(3, [pid 8129] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8129] <... futex resumed>) = 1 [pid 8128] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8129] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8128] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8128] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5052] close(3 [pid 8129] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8128] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 5052] rmdir("./167" [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8129] <... open resumed>) = 4 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./166/binderfs" [pid 5052] <... rmdir resumed>) = 0 [pid 8129] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 5056] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] mkdir("./168", 0777 [pid 8129] <... futex resumed>) = 1 [pid 8128] <... futex resumed>) = 0 [ 281.327304][ T8129] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8128] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8129] ftruncate(4, 33587195 [pid 8128] <... futex resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 8128] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8129] <... ftruncate resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8129] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8128] <... futex resumed>) = 0 [pid 5052] close(3 [pid 8128] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... close resumed>) = 0 [pid 8128] <... futex resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8128] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8129] creat("./bus", 040./strace-static-x86_64: Process 8136 attached [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8136 [pid 8136] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8136] chdir("./168" [pid 8134] <... write resumed>) = 4194304 [pid 8136] <... chdir resumed>) = 0 [pid 8136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8129] <... creat resumed>) = 5 [pid 8136] <... prctl resumed>) = 0 [pid 8136] setpgid(0, 0 [pid 8129] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8136] <... setpgid resumed>) = 0 [pid 8136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8129] <... futex resumed>) = 1 [pid 8128] <... futex resumed>) = 0 [pid 8134] munmap(0x7f8720789000, 138412032 [pid 8128] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8129] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8128] <... futex resumed>) = 0 [pid 8136] <... openat resumed>) = 3 [pid 8134] <... munmap resumed>) = 0 [pid 8129] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8128] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = 0 [pid 8136] write(3, "1000", 4 [pid 8134] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8129] <... futex resumed>) = 0 [pid 8128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8128] exit_group(0 [pid 8134] <... openat resumed>) = 4 [pid 8128] <... exit_group resumed>) = ? [pid 8136] <... write resumed>) = 4 [pid 8136] close(3) = 0 [pid 8129] +++ exited with 0 +++ [pid 8128] +++ exited with 0 +++ [pid 8136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8128, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8136] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8136] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8136] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... openat resumed>) = 3 [pid 8136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] newfstatat(3, "", [pid 8136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] getdents64(3, [pid 8136] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8136] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8136] <... mprotect resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] newfstatat(AT_FDCWD, "./164/binderfs", [pid 8136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8134] ioctl(4, LOOP_SET_FD, 3 [pid 5055] unlink("./164/binderfs"./strace-static-x86_64: Process 8137 attached ) = 0 [pid 5053] newfstatat(AT_FDCWD, "./166/file0", [pid 8137] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8136] <... clone3 resumed> => {parent_tid=[8137]}, 88) = 8137 [pid 5055] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8137] <... rseq resumed>) = 0 [pid 8136] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8137] set_robust_list(0x7f8728ba99a0, 24 [pid 8136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8137] <... set_robust_list resumed>) = 0 [pid 5053] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8137] rt_sigprocmask(SIG_SETMASK, [], [pid 8136] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8136] <... futex resumed>) = 0 [pid 8137] memfd_create("syzkaller", 0 [pid 8136] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8137] <... memfd_create resumed>) = 3 [pid 5053] newfstatat(4, "", [pid 8137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8137] <... mmap resumed>) = 0x7f8720789000 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4 [pid 8134] <... ioctl resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 8134] close(3) = 0 [pid 8134] mkdir("./file0", 0777) = 0 [pid 5053] rmdir("./166/file0" [pid 8134] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./166") = 0 [pid 5053] mkdir("./167", 0777) = 0 [ 281.458014][ T8134] loop3: detected capacity change from 0 to 8192 [pid 5056] <... umount2 resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] <... umount2 resumed>) = 0 [pid 5056] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./166/file0", [pid 5051] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./170/file0", [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] <... openat resumed>) = 4 [pid 5055] newfstatat(AT_FDCWD, "./164/file0", [ 281.524352][ T8134] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.550978][ T8134] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 281.565777][ T8134] REISERFS (device loop3): using ordered data mode [pid 5051] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8139 ./strace-static-x86_64: Process 8139 attached [pid 5056] newfstatat(4, "", [pid 5055] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] getdents64(4, [pid 8139] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... openat resumed>) = 4 [pid 5051] <... openat resumed>) = 4 [pid 5056] getdents64(4, [pid 5051] newfstatat(4, "", [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8139] <... set_robust_list resumed>) = 0 [pid 5056] close(4 [pid 5055] newfstatat(4, "", [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./166/file0" [pid 5051] getdents64(4, [pid 8139] chdir("./167" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 8139] <... chdir resumed>) = 0 [pid 5055] rmdir("./164/file0") = 0 [pid 8139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8139] <... prctl resumed>) = 0 [pid 5051] getdents64(4, [pid 8139] setpgid(0, 0 [pid 8137] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8139] <... setpgid resumed>) = 0 [pid 5055] getdents64(3, [pid 8139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(4 [pid 8139] <... openat resumed>) = 3 [pid 5055] close(3 [pid 5051] <... close resumed>) = 0 [pid 8139] write(3, "1000", 4 [pid 5056] getdents64(3, [pid 5055] <... close resumed>) = 0 [pid 5051] rmdir("./170/file0" [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8139] <... write resumed>) = 4 [pid 5055] rmdir("./164" [pid 8139] close(3 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 8139] <... close resumed>) = 0 [pid 5055] mkdir("./165", 0777 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8139] symlink("/dev/binderfs", "./binderfs" [pid 5055] <... mkdir resumed>) = 0 [pid 5051] close(3 [pid 8139] <... symlink resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8139] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(3 [pid 5055] <... openat resumed>) = 3 [pid 5051] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5051] rmdir("./170" [pid 5056] rmdir("./166" [pid 8139] <... futex resumed>) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8139] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... rmdir resumed>) = 0 [pid 8139] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] close(3 [pid 8139] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] mkdir("./167", 0777 [pid 5055] <... close resumed>) = 0 [pid 5051] mkdir("./171", 0777 [pid 8139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [ 281.572329][ T8134] reiserfs: using flush barriers [ 281.590711][ T8134] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 8140 attached [pid 8139] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... openat resumed>) = 3 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8140 [pid 5051] <... openat resumed>) = 3 [pid 8140] set_robust_list(0x55555656d6a0, 24 [pid 8139] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8140] <... set_robust_list resumed>) = 0 [pid 8139] <... mprotect resumed>) = 0 [pid 8140] chdir("./165" [pid 8139] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8140] <... chdir resumed>) = 0 [pid 8139] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8139] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8140] <... prctl resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 8141 attached [pid 8140] setpgid(0, 0 [pid 5056] close(3 [pid 8141] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8140] <... setpgid resumed>) = 0 [pid 8139] <... clone3 resumed> => {parent_tid=[8141]}, 88) = 8141 [pid 5056] <... close resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8141] <... rseq resumed>) = 0 [pid 8140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8139] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] close(3 [pid 8141] set_robust_list(0x7f8728ba99a0, 24 [pid 8140] <... openat resumed>) = 3 [pid 8140] write(3, "1000", 4 [pid 8139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8140] <... write resumed>) = 4 [pid 8139] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] <... set_robust_list resumed>) = 0 [pid 8140] close(3 [pid 8139] <... futex resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 8141] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8142 [pid 8141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8140] <... close resumed>) = 0 [pid 8139] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8140] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 8143 attached [pid 8141] memfd_create("syzkaller", 0 [pid 8140] <... symlink resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8143 [pid 8143] set_robust_list(0x55555656d6a0, 24 [pid 8141] <... memfd_create resumed>) = 3 [pid 8143] <... set_robust_list resumed>) = 0 [pid 8141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8142 attached [pid 8143] chdir("./171" [pid 8141] <... mmap resumed>) = 0x7f8720789000 [ 281.650999][ T8134] REISERFS (device loop3): checking transaction log (loop3) [ 281.676201][ T8134] REISERFS (device loop3): Using tea hash to sort names [pid 8140] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8143] <... chdir resumed>) = 0 [pid 8142] set_robust_list(0x55555656d6a0, 24 [pid 8140] <... futex resumed>) = 0 [pid 8142] <... set_robust_list resumed>) = 0 [pid 8140] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8142] chdir("./167" [pid 8140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8142] <... chdir resumed>) = 0 [pid 8140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8142] <... prctl resumed>) = 0 [pid 8140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8142] setpgid(0, 0 [pid 8140] <... mmap resumed>) = 0x7f8728b89000 [pid 8142] <... setpgid resumed>) = 0 [pid 8142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8140] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8143] setpgid(0, 0 [pid 8142] <... openat resumed>) = 3 [pid 8140] <... mprotect resumed>) = 0 [pid 8143] <... setpgid resumed>) = 0 [pid 8143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8142] write(3, "1000", 4 [pid 8140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8142] <... write resumed>) = 4 [pid 8140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8142] close(3 [pid 8140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8143] <... openat resumed>) = 3 [pid 8142] <... close resumed>) = 0 [pid 8143] write(3, "1000", 4 [pid 8142] symlink("/dev/binderfs", "./binderfs" [pid 8140] <... clone3 resumed> => {parent_tid=[8144]}, 88) = 8144 ./strace-static-x86_64: Process 8144 attached [pid 8143] <... write resumed>) = 4 [pid 8142] <... symlink resumed>) = 0 [pid 8140] rt_sigprocmask(SIG_SETMASK, [], [pid 8144] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8143] close(3 [pid 8142] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8144] <... rseq resumed>) = 0 [pid 8143] <... close resumed>) = 0 [pid 8142] <... futex resumed>) = 0 [pid 8140] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] set_robust_list(0x7f8728ba99a0, 24 [pid 8143] symlink("/dev/binderfs", "./binderfs" [pid 8142] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8140] <... futex resumed>) = 0 [pid 8144] <... set_robust_list resumed>) = 0 [pid 8143] <... symlink resumed>) = 0 [pid 8142] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8140] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8144] rt_sigprocmask(SIG_SETMASK, [], [pid 8143] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8143] <... futex resumed>) = 0 [pid 8142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8134] <... mount resumed>) = 0 [ 281.694019][ T8134] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8144] memfd_create("syzkaller", 0 [pid 8143] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8134] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8142] <... mmap resumed>) = 0x7f8728b89000 [pid 8143] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8142] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8143] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8144] <... memfd_create resumed>) = 3 [pid 8142] <... mprotect resumed>) = 0 [pid 8134] <... openat resumed>) = 3 [pid 8142] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8145]}, 88) = 8145 ./strace-static-x86_64: Process 8145 attached [pid 8142] rt_sigprocmask(SIG_SETMASK, [], [pid 8134] chdir("./file0" [pid 8145] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8134] <... chdir resumed>) = 0 [pid 8145] <... rseq resumed>) = 0 [pid 8144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8142] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] ioctl(4, LOOP_CLR_FD [pid 8145] set_robust_list(0x7f8728ba99a0, 24 [pid 8144] <... mmap resumed>) = 0x7f8720789000 [pid 8143] <... mmap resumed>) = 0x7f8728b89000 [pid 8142] <... futex resumed>) = 0 [pid 8141] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8134] <... ioctl resumed>) = 0 [pid 8145] <... set_robust_list resumed>) = 0 [pid 8143] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8142] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8134] close(4 [pid 8145] rt_sigprocmask(SIG_SETMASK, [], [pid 8143] <... mprotect resumed>) = 0 [pid 8134] <... close resumed>) = 0 [pid 8145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8145] memfd_create("syzkaller", 0 [pid 8143] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8134] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... memfd_create resumed>) = 3 [pid 8134] <... futex resumed>) = 1 [pid 8133] <... futex resumed>) = 0 [pid 8143] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8143] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8134] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8133] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8146 attached [pid 8145] <... mmap resumed>) = 0x7f8720789000 [pid 8134] <... open resumed>) = 4 [pid 8133] <... futex resumed>) = 0 [pid 8146] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8143] <... clone3 resumed> => {parent_tid=[8146]}, 88) = 8146 [pid 8146] <... rseq resumed>) = 0 [pid 8143] rt_sigprocmask(SIG_SETMASK, [], [pid 8146] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8133] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] rt_sigprocmask(SIG_SETMASK, [], [pid 8143] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8143] <... futex resumed>) = 0 [pid 8146] memfd_create("syzkaller", 0 [pid 8143] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8134] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8133] <... futex resumed>) = 0 [pid 8134] ftruncate(4, 33587195 [pid 8133] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8134] <... ftruncate resumed>) = 0 [pid 8146] <... memfd_create resumed>) = 3 [pid 8133] <... futex resumed>) = 0 [pid 8133] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8134] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8133] <... futex resumed>) = 0 [pid 8134] creat("./bus", 040 [pid 8133] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8137] <... write resumed>) = 4194304 [pid 8134] <... creat resumed>) = 5 [pid 8133] <... futex resumed>) = 0 [pid 8133] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8134] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8133] <... futex resumed>) = 0 [pid 8133] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8133] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8134] <... futex resumed>) = 1 [pid 8137] munmap(0x7f8720789000, 138412032 [pid 8134] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8137] <... munmap resumed>) = 0 [pid 8134] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8134] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8133] <... futex resumed>) = 0 [pid 8133] exit_group(0 [pid 8134] <... futex resumed>) = ? [pid 8133] <... exit_group resumed>) = ? [pid 8134] +++ exited with 0 +++ [pid 8133] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8133, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5054] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./164/binderfs", [pid 8137] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8137] ioctl(4, LOOP_SET_FD, 3 [pid 5054] unlink("./164/binderfs" [pid 8145] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... unlink resumed>) = 0 [pid 5054] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8144] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8146] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8137] <... ioctl resumed>) = 0 [pid 8137] close(3) = 0 [pid 8137] mkdir("./file0", 0777) = 0 [ 281.840524][ T8137] loop1: detected capacity change from 0 to 8192 [pid 8137] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8141] <... write resumed>) = 4194304 [pid 8141] munmap(0x7f8720789000, 138412032) = 0 [pid 8141] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 281.893509][ T8137] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 281.926095][ T8141] loop2: detected capacity change from 0 to 8192 [ 281.934393][ T8137] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 8141] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8141] close(3) = 0 [pid 8144] <... write resumed>) = 4194304 [pid 8141] mkdir("./file0", 0777 [pid 8144] munmap(0x7f8720789000, 138412032 [pid 8141] <... mkdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./164/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8141] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8144] <... munmap resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8144] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] getdents64(4, [pid 8144] <... openat resumed>) = 4 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8144] ioctl(4, LOOP_SET_FD, 3 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./164/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8144] <... ioctl resumed>) = 0 [pid 5054] close(3 [pid 8144] close(3) = 0 [pid 5054] <... close resumed>) = 0 [pid 8144] mkdir("./file0", 0777) = 0 [pid 5054] rmdir("./164" [pid 8144] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... rmdir resumed>) = 0 [ 281.943887][ T8137] REISERFS (device loop1): using ordered data mode [ 281.951997][ T8137] reiserfs: using flush barriers [ 281.968529][ T8144] loop4: detected capacity change from 0 to 8192 [ 281.975878][ T8141] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] mkdir("./165", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [ 282.006454][ T8141] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 282.009830][ T8137] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.016447][ T8141] REISERFS (device loop2): using ordered data mode [ 282.038584][ T8141] reiserfs: using flush barriers [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8150 attached [pid 8146] <... write resumed>) = 4194304 [pid 8150] set_robust_list(0x55555656d6a0, 24 [pid 8146] munmap(0x7f8720789000, 138412032 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8150 [pid 8150] <... set_robust_list resumed>) = 0 [pid 8150] chdir("./165" [pid 8146] <... munmap resumed>) = 0 [pid 8150] <... chdir resumed>) = 0 [pid 8146] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8146] <... openat resumed>) = 4 [pid 8150] setpgid(0, 0 [ 282.064156][ T8144] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.065359][ T8137] REISERFS (device loop1): checking transaction log (loop1) [ 282.079047][ T8141] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.103536][ T8137] REISERFS (device loop1): Using tea hash to sort names [pid 8146] ioctl(4, LOOP_SET_FD, 3 [pid 8150] <... setpgid resumed>) = 0 [pid 8150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8150] write(3, "1000", 4) = 4 [pid 8146] <... ioctl resumed>) = 0 [pid 8145] <... write resumed>) = 4194304 [pid 8137] <... mount resumed>) = 0 [pid 8150] close(3 [pid 8145] munmap(0x7f8720789000, 138412032 [pid 8150] <... close resumed>) = 0 [pid 8145] <... munmap resumed>) = 0 [pid 8150] symlink("/dev/binderfs", "./binderfs" [pid 8145] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8145] ioctl(4, LOOP_SET_FD, 3 [pid 8150] <... symlink resumed>) = 0 [pid 8146] close(3 [pid 8137] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8146] <... close resumed>) = 0 [pid 8137] <... openat resumed>) = 3 [pid 8150] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8150] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8137] chdir("./file0" [pid 8146] mkdir("./file0", 0777 [pid 8150] <... mmap resumed>) = 0x7f8728b89000 [pid 8137] <... chdir resumed>) = 0 [pid 8150] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8146] <... mkdir resumed>) = 0 [pid 8137] ioctl(4, LOOP_CLR_FD [pid 8150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8146] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8137] <... ioctl resumed>) = 0 [ 282.112186][ T8137] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 282.121833][ T8146] loop0: detected capacity change from 0 to 8192 [ 282.129136][ T8144] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 282.137327][ T8145] loop5: detected capacity change from 0 to 8192 [ 282.139213][ T8144] REISERFS (device loop4): using ordered data mode [ 282.152114][ T8144] reiserfs: using flush barriers [pid 8150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8151]}, 88) = 8151 ./strace-static-x86_64: Process 8151 attached [pid 8150] rt_sigprocmask(SIG_SETMASK, [], [pid 8145] <... ioctl resumed>) = 0 [pid 8137] close(4 [pid 8150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8145] close(3 [pid 8150] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... close resumed>) = 0 [pid 8150] <... futex resumed>) = 0 [pid 8145] mkdir("./file0", 0777 [pid 8150] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8145] <... mkdir resumed>) = 0 [pid 8151] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8137] <... close resumed>) = 0 [pid 8145] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8151] <... rseq resumed>) = 0 [pid 8137] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8151] set_robust_list(0x7f8728ba99a0, 24 [pid 8137] <... futex resumed>) = 1 [ 282.163319][ T8146] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.177008][ T8144] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.192999][ T8141] REISERFS (device loop2): checking transaction log (loop2) [ 282.194664][ T8146] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 8151] <... set_robust_list resumed>) = 0 [pid 8137] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8151] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8151] memfd_create("syzkaller", 0 [pid 8136] <... futex resumed>) = 0 [pid 8136] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8151] <... memfd_create resumed>) = 3 [pid 8137] <... futex resumed>) = 0 [pid 8136] <... futex resumed>) = 1 [pid 8137] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8136] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8137] <... open resumed>) = 4 [pid 8151] <... mmap resumed>) = 0x7f8720789000 [ 282.210100][ T8146] REISERFS (device loop0): using ordered data mode [ 282.216662][ T8146] reiserfs: using flush barriers [ 282.219619][ T8145] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.228493][ T8144] REISERFS (device loop4): checking transaction log (loop4) [ 282.242113][ T8146] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8137] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8136] <... futex resumed>) = 0 [pid 8137] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8136] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8136] <... futex resumed>) = 0 [pid 8137] ftruncate(4, 33587195 [pid 8141] <... mount resumed>) = 0 [pid 8137] <... ftruncate resumed>) = 0 [pid 8136] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 282.259171][ T8146] REISERFS (device loop0): checking transaction log (loop0) [ 282.266860][ T8145] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 282.273048][ T8141] REISERFS (device loop2): Using tea hash to sort names [ 282.277958][ T8146] REISERFS (device loop0): Using tea hash to sort names [ 282.284232][ T8141] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 282.293751][ T8145] REISERFS (device loop5): using ordered data mode [ 282.306310][ T8146] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8141] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8137] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8137] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8136] <... futex resumed>) = 0 [pid 8141] <... openat resumed>) = 3 [pid 8137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8136] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] chdir("./file0" [pid 8136] <... futex resumed>) = 0 [pid 8137] creat("./bus", 040 [pid 8141] <... chdir resumed>) = 0 [pid 8136] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8151] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8141] ioctl(4, LOOP_CLR_FD [pid 8137] <... creat resumed>) = 5 [pid 8146] <... mount resumed>) = 0 [pid 8144] <... mount resumed>) = 0 [pid 8141] <... ioctl resumed>) = 0 [pid 8137] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8146] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8141] close(4 [pid 8136] <... futex resumed>) = 0 [pid 8136] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] <... close resumed>) = 0 [pid 8136] <... futex resumed>) = 0 [pid 8136] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8141] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8139] <... futex resumed>) = 0 [pid 8141] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8139] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] <... openat resumed>) = 3 [pid 8141] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8139] <... futex resumed>) = 0 [pid 8137] mkdirat(AT_FDCWD, "./file0", 000 [pid 8144] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8139] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8144] <... openat resumed>) = 3 [pid 8137] <... mkdirat resumed>) = 0 [pid 8144] chdir("./file0" [pid 8137] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] <... chdir resumed>) = 0 [pid 8141] <... open resumed>) = 4 [pid 8146] chdir("./file0" [pid 8144] ioctl(4, LOOP_CLR_FD [pid 8137] <... futex resumed>) = 1 [pid 8136] <... futex resumed>) = 0 [pid 8144] <... ioctl resumed>) = 0 [pid 8136] exit_group(0 [pid 8137] ???( [pid 8136] <... exit_group resumed>) = ? [pid 8137] <... ??? resumed>) = ? [pid 8137] +++ exited with 0 +++ [pid 8144] close(4 [pid 8136] +++ exited with 0 +++ [pid 8144] <... close resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8136, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 8146] <... chdir resumed>) = 0 [pid 8144] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... restart_syscall resumed>) = 0 [pid 8141] <... futex resumed>) = 1 [pid 8139] <... futex resumed>) = 0 [pid 8139] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8144] <... futex resumed>) = 1 [pid 8141] ftruncate(4, 33587195 [pid 8140] <... futex resumed>) = 0 [ 282.321861][ T8144] REISERFS (device loop4): Using tea hash to sort names [ 282.333380][ T8144] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 282.334039][ T8145] reiserfs: using flush barriers [pid 8139] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] ioctl(4, LOOP_CLR_FD [pid 8144] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8141] <... ftruncate resumed>) = 0 [pid 8140] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8140] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8146] <... ioctl resumed>) = 0 [pid 8144] <... open resumed>) = 4 [pid 8141] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... openat resumed>) = 3 [pid 8141] <... futex resumed>) = 1 [pid 8139] <... futex resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 8146] close(4 [pid 8139] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] <... close resumed>) = 0 [pid 8144] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8139] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8146] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... futex resumed>) = 0 [pid 8139] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] getdents64(3, [pid 8144] <... futex resumed>) = 1 [pid 8146] <... futex resumed>) = 1 [pid 8140] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] ftruncate(4, 33587195 [pid 8140] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8140] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8146] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8144] <... ftruncate resumed>) = 0 [pid 8143] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8143] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./168/binderfs", [pid 8146] <... futex resumed>) = 0 [pid 8143] <... futex resumed>) = 1 [pid 8146] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8143] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] <... open resumed>) = 4 [pid 5052] unlink("./168/binderfs" [ 282.384900][ T8145] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8144] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8146] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] <... futex resumed>) = 1 [pid 8140] <... futex resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 5052] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8144] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8140] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] creat("./bus", 040 [pid 8146] <... futex resumed>) = 1 [pid 8144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8143] <... futex resumed>) = 0 [pid 8140] <... futex resumed>) = 0 [pid 8140] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] ftruncate(4, 33587195 [pid 8144] creat("./bus", 040 [pid 8143] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8144] <... creat resumed>) = 5 [pid 8143] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] <... ftruncate resumed>) = 0 [pid 8144] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8140] <... futex resumed>) = 0 [pid 8140] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] mkdirat(AT_FDCWD, "./file0", 000 [pid 8146] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8144] <... mkdirat resumed>) = 0 [pid 8140] <... futex resumed>) = 0 [pid 8140] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] <... futex resumed>) = 1 [pid 8143] <... futex resumed>) = 0 [pid 8144] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8146] creat("./bus", 040 [pid 8144] <... futex resumed>) = 0 [pid 8143] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8140] exit_group(0 [pid 8144] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8143] <... futex resumed>) = 0 [pid 8143] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8144] <... futex resumed>) = ? [pid 8140] <... exit_group resumed>) = ? [pid 8146] <... creat resumed>) = 5 [pid 8144] +++ exited with 0 +++ [pid 8141] <... creat resumed>) = 5 [pid 8140] +++ exited with 0 +++ [pid 8139] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8141] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 282.425924][ T8145] REISERFS (device loop5): checking transaction log (loop5) [ 282.463208][ T8145] REISERFS (device loop5): Using tea hash to sort names [pid 8141] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8146] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8139] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8140, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 8146] <... futex resumed>) = 1 [pid 8145] <... mount resumed>) = 0 [pid 8143] <... futex resumed>) = 0 [pid 8141] <... futex resumed>) = 0 [pid 8139] <... futex resumed>) = 1 [pid 8139] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8146] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8145] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8143] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] mkdirat(AT_FDCWD, "./file0", 000 [pid 8146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8143] <... futex resumed>) = 0 [pid 8146] mkdirat(AT_FDCWD, "./file0", 000 [pid 8143] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8146] <... mkdirat resumed>) = 0 [pid 8145] <... openat resumed>) = 3 [pid 8141] <... mkdirat resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8145] chdir("./file0" [pid 8141] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8151] <... write resumed>) = 4194304 [pid 8146] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... chdir resumed>) = 0 [pid 8141] <... futex resumed>) = 1 [pid 8139] <... futex resumed>) = 0 [pid 8146] <... futex resumed>) = 1 [pid 8145] ioctl(4, LOOP_CLR_FD [pid 5055] <... openat resumed>) = 3 [pid 8143] <... futex resumed>) = 0 [pid 8139] exit_group(0 [pid 8145] <... ioctl resumed>) = 0 [pid 8139] <... exit_group resumed>) = ? [pid 8145] close(4 [pid 8143] exit_group(0 [pid 5055] newfstatat(3, "", [pid 8145] <... close resumed>) = 0 [pid 8143] <... exit_group resumed>) = ? [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 282.472326][ T8145] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8145] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8141] +++ exited with 0 +++ [pid 8139] +++ exited with 0 +++ [pid 5055] getdents64(3, [pid 8146] +++ exited with 0 +++ [pid 8143] +++ exited with 0 +++ [pid 8151] munmap(0x7f8720789000, 138412032 [pid 8145] <... futex resumed>) = 1 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8143, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8139, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 8151] <... munmap resumed>) = 0 [pid 8145] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8151] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8142] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8151] <... openat resumed>) = 4 [pid 8142] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./165/binderfs", [pid 5053] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... openat resumed>) = 3 [pid 8145] <... futex resumed>) = 0 [pid 8142] <... futex resumed>) = 1 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... openat resumed>) = 3 [pid 8145] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5055] unlink("./165/binderfs" [pid 5053] newfstatat(3, "", [pid 5051] newfstatat(3, "", [pid 8142] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8145] <... open resumed>) = 4 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8151] ioctl(4, LOOP_SET_FD, 3 [pid 8145] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... unlink resumed>) = 0 [pid 5051] getdents64(3, [pid 5053] getdents64(3, [pid 8151] <... ioctl resumed>) = 0 [pid 8145] <... futex resumed>) = 1 [pid 8142] <... futex resumed>) = 0 [pid 5055] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8151] close(3 [pid 8145] ftruncate(4, 33587195 [pid 8142] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8151] <... close resumed>) = 0 [pid 8142] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8151] mkdir("./file0", 0777 [pid 8142] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] newfstatat(AT_FDCWD, "./167/binderfs", [pid 5051] newfstatat(AT_FDCWD, "./171/binderfs", [pid 8151] <... mkdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8151] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8145] <... ftruncate resumed>) = 0 [pid 5053] unlink("./167/binderfs" [pid 5051] unlink("./171/binderfs" [pid 5053] <... unlink resumed>) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8145] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] <... futex resumed>) = 0 [ 282.540902][ T8151] loop3: detected capacity change from 0 to 8192 [pid 8142] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8145] <... futex resumed>) = 1 [pid 8142] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8145] creat("./bus", 040 [pid 5052] <... umount2 resumed>) = 0 [pid 8145] <... creat resumed>) = 5 [pid 8145] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8142] <... futex resumed>) = 0 [pid 8145] mkdirat(AT_FDCWD, "./file0", 000 [pid 8142] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8145] <... mkdirat resumed>) = 0 [pid 8142] <... futex resumed>) = 0 [pid 5052] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8145] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8142] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8145] <... futex resumed>) = 0 [pid 8142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8145] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8142] exit_group(0 [pid 8145] <... futex resumed>) = ? [pid 8142] <... exit_group resumed>) = ? [pid 8145] +++ exited with 0 +++ [pid 8142] +++ exited with 0 +++ [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8142, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5056] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, [pid 5052] newfstatat(AT_FDCWD, "./168/file0", [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 282.592616][ T8151] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 282.612021][ T8151] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 282.622124][ T8151] REISERFS (device loop3): using ordered data mode [ 282.629321][ T8151] reiserfs: using flush barriers [pid 5056] newfstatat(AT_FDCWD, "./167/binderfs", [pid 5052] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./168/file0") = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 5052] rmdir("./168" [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5052] mkdir("./169", 0777 [pid 5056] unlink("./167/binderfs" [pid 5052] <... mkdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5056] <... unlink resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5056] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [ 282.637095][ T8151] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 282.659336][ T8151] REISERFS (device loop3): checking transaction log (loop3) [ 282.668172][ T8151] REISERFS (device loop3): Using tea hash to sort names [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8155 ./strace-static-x86_64: Process 8155 attached [pid 8155] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8155] chdir("./169") = 0 [pid 8155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8155] setpgid(0, 0) = 0 [pid 8155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8155] write(3, "1000", 4) = 4 [pid 8155] close(3 [pid 8151] <... mount resumed>) = 0 [pid 8155] <... close resumed>) = 0 [pid 8155] symlink("/dev/binderfs", "./binderfs" [pid 8151] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8155] <... symlink resumed>) = 0 [pid 8151] <... openat resumed>) = 3 [pid 8151] chdir("./file0" [pid 8155] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8151] <... chdir resumed>) = 0 [pid 8151] ioctl(4, LOOP_CLR_FD [pid 8155] <... futex resumed>) = 0 [pid 8151] <... ioctl resumed>) = 0 [pid 8155] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8151] close(4 [pid 8155] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8151] <... close resumed>) = 0 [pid 8151] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8155] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8151] <... futex resumed>) = 1 [pid 8150] <... futex resumed>) = 0 [pid 8150] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8150] <... futex resumed>) = 0 [pid 8155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8150] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8155] <... mmap resumed>) = 0x7f8728b89000 [pid 8155] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8155] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8151] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8155] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8155] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8156]}, 88) = 8156 [pid 8155] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8156 attached NULL, 8) = 0 [pid 8151] <... open resumed>) = 4 [pid 8156] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8155] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8155] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8156] <... rseq resumed>) = 0 [pid 8156] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8156] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8156] memfd_create("syzkaller", 0 [pid 8151] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 282.709527][ T8151] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8150] <... futex resumed>) = 0 [pid 8150] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8151] ftruncate(4, 33587195 [pid 8150] <... futex resumed>) = 0 [pid 8151] <... ftruncate resumed>) = 0 [pid 8151] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8150] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = 0 [pid 8156] <... memfd_create resumed>) = 3 [pid 8156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5053] <... umount2 resumed>) = 0 [pid 8150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8151] <... futex resumed>) = 0 [pid 8150] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8150] <... futex resumed>) = 0 [pid 8150] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8151] creat("./bus", 040 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./171/file0", [pid 8151] <... creat resumed>) = 5 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8151] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./167/file0", [pid 5051] <... openat resumed>) = 4 [pid 5051] newfstatat(4, "", [pid 8151] <... futex resumed>) = 1 [pid 8150] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8150] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(4, [pid 8150] <... futex resumed>) = 0 [pid 8151] mkdirat(AT_FDCWD, "./file0", 000 [pid 8150] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] close(4 [pid 8151] <... mkdirat resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 5051] <... close resumed>) = 0 [pid 8151] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(4, "", [pid 5051] rmdir("./171/file0" [pid 8151] <... futex resumed>) = 1 [pid 8150] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./165/file0", [pid 5051] <... rmdir resumed>) = 0 [pid 8151] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8150] exit_group(0 [pid 5053] getdents64(4, [pid 5051] getdents64(3, [pid 8151] <... futex resumed>) = ? [pid 8150] <... exit_group resumed>) = ? [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] getdents64(4, [pid 5051] close(3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] rmdir("./171" [pid 5053] close(4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... rmdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./167/file0" [pid 5051] mkdir("./172", 0777 [pid 5055] getdents64(4, [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./165/file0" [pid 8151] +++ exited with 0 +++ [pid 8150] +++ exited with 0 +++ [pid 5055] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5055] rmdir("./165") = 0 [pid 5055] mkdir("./166", 0777) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8150, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5053] close(3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./167" [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5053] <... rmdir resumed>) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] mkdir("./168", 0777 [pid 5051] close(3 [pid 5056] <... umount2 resumed>) = 0 [pid 5054] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... mkdir resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 8157 attached [pid 8157] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... openat resumed>) = 3 [pid 5053] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", ./strace-static-x86_64: Process 8158 attached [pid 8157] <... set_robust_list resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8158 [pid 8158] set_robust_list(0x55555656d6a0, 24 [pid 8157] chdir("./166" [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8157 [pid 5054] getdents64(3, [pid 8158] <... set_robust_list resumed>) = 0 [pid 8157] <... chdir resumed>) = 0 [pid 5056] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8158] chdir("./172" [pid 8157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] close(3 [pid 8158] <... chdir resumed>) = 0 [pid 8157] <... prctl resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./167/file0", [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... close resumed>) = 0 [pid 8158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8157] setpgid(0, 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] newfstatat(AT_FDCWD, "./165/binderfs", [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8158] <... prctl resumed>) = 0 [pid 8157] <... setpgid resumed>) = 0 [pid 8158] setpgid(0, 0) = 0 [pid 8158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8158] <... openat resumed>) = 3 [pid 8157] <... openat resumed>) = 3 [pid 8158] write(3, "1000", 4./strace-static-x86_64: Process 8159 attached [pid 8157] write(3, "1000", 4 [pid 8156] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8159] set_robust_list(0x55555656d6a0, 24 [pid 8158] <... write resumed>) = 4 [pid 8157] <... write resumed>) = 4 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] unlink("./165/binderfs" [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8159 [pid 5056] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... unlink resumed>) = 0 [pid 8159] <... set_robust_list resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5054] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, [pid 8159] chdir("./168" [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8158] close(3 [pid 8157] close(3 [pid 8158] <... close resumed>) = 0 [pid 8157] <... close resumed>) = 0 [pid 8158] symlink("/dev/binderfs", "./binderfs" [pid 8157] symlink("/dev/binderfs", "./binderfs" [pid 8158] <... symlink resumed>) = 0 [pid 8157] <... symlink resumed>) = 0 [pid 8158] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8157] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8158] <... futex resumed>) = 0 [pid 8157] <... futex resumed>) = 0 [pid 8158] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8157] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] close(4 [pid 8158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8157] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8158] <... mmap resumed>) = 0x7f8728b89000 [pid 8157] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] <... close resumed>) = 0 [pid 8159] <... chdir resumed>) = 0 [pid 8158] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8157] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8158] <... mprotect resumed>) = 0 [pid 5056] rmdir("./167/file0" [pid 8159] <... prctl resumed>) = 0 [pid 8158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8157] <... mprotect resumed>) = 0 [pid 8159] setpgid(0, 0 [pid 8158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... rmdir resumed>) = 0 [pid 8159] <... setpgid resumed>) = 0 [pid 8158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] getdents64(3, [pid 8157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8161 attached ./strace-static-x86_64: Process 8160 attached [pid 8159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8161] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8160] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8157] <... clone3 resumed> => {parent_tid=[8160]}, 88) = 8160 [pid 5056] close(3 [pid 8161] <... rseq resumed>) = 0 [pid 8160] <... rseq resumed>) = 0 [pid 8157] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... close resumed>) = 0 [pid 8161] set_robust_list(0x7f8728ba99a0, 24 [pid 8158] <... clone3 resumed> => {parent_tid=[8161]}, 88) = 8161 [pid 8157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8161] <... set_robust_list resumed>) = 0 [pid 8160] set_robust_list(0x7f8728ba99a0, 24 [pid 8158] rt_sigprocmask(SIG_SETMASK, [], [pid 8157] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] rmdir("./167" [pid 8161] rt_sigprocmask(SIG_SETMASK, [], [pid 8160] <... set_robust_list resumed>) = 0 [pid 8158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8160] rt_sigprocmask(SIG_SETMASK, [], [pid 8157] <... futex resumed>) = 0 [pid 8161] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8157] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... rmdir resumed>) = 0 [pid 8161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8160] memfd_create("syzkaller", 0 [pid 8159] <... openat resumed>) = 3 [pid 8158] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8161] memfd_create("syzkaller", 0 [pid 8160] <... memfd_create resumed>) = 3 [pid 8158] <... futex resumed>) = 0 [pid 5056] mkdir("./168", 0777 [pid 8159] write(3, "1000", 4 [pid 8161] <... memfd_create resumed>) = 3 [pid 8160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8158] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8160] <... mmap resumed>) = 0x7f8720789000 [pid 8161] <... mmap resumed>) = 0x7f8720789000 [pid 8159] <... write resumed>) = 4 [pid 5056] <... mkdir resumed>) = 0 [pid 8159] close(3 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8159] <... close resumed>) = 0 [pid 8159] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... openat resumed>) = 3 [pid 8159] <... symlink resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8159] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 8159] <... futex resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8159] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8159] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 8162 attached NULL, 8) = 0 [pid 8159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8162 [pid 8159] <... mmap resumed>) = 0x7f8728b89000 [pid 8159] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8159] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8159] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8163 attached [pid 8162] set_robust_list(0x55555656d6a0, 24 [pid 8156] <... write resumed>) = 4194304 [pid 8163] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8162] <... set_robust_list resumed>) = 0 [pid 8159] <... clone3 resumed> => {parent_tid=[8163]}, 88) = 8163 [pid 8163] <... rseq resumed>) = 0 [pid 8159] rt_sigprocmask(SIG_SETMASK, [], [pid 8156] munmap(0x7f8720789000, 138412032 [pid 8163] set_robust_list(0x7f8728ba99a0, 24 [pid 8159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8163] <... set_robust_list resumed>) = 0 [pid 8162] chdir("./168" [pid 8159] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] rt_sigprocmask(SIG_SETMASK, [], [pid 8159] <... futex resumed>) = 0 [pid 8163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8159] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8163] memfd_create("syzkaller", 0 [pid 8162] <... chdir resumed>) = 0 [pid 8156] <... munmap resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 8163] <... memfd_create resumed>) = 3 [pid 8162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8162] <... prctl resumed>) = 0 [pid 8162] setpgid(0, 0 [pid 8160] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8162] <... setpgid resumed>) = 0 [pid 8161] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8156] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5054] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8156] <... openat resumed>) = 4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8162] <... openat resumed>) = 3 [pid 5054] newfstatat(AT_FDCWD, "./165/file0", [pid 8162] write(3, "1000", 4) = 4 [pid 8156] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8162] close(3) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8162] symlink("/dev/binderfs", "./binderfs" [pid 5054] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8162] <... symlink resumed>) = 0 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8162] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(4, [pid 8162] <... futex resumed>) = 0 [pid 8162] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8162] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8156] <... ioctl resumed>) = 0 [pid 8162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8156] close(3 [pid 8162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8156] <... close resumed>) = 0 [pid 8156] mkdir("./file0", 0777 [pid 8162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8156] <... mkdir resumed>) = 0 [pid 8162] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 8162] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8156] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8163] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8162] <... mprotect resumed>) = 0 [pid 5054] rmdir("./165/file0" [ 283.086640][ T8156] loop1: detected capacity change from 0 to 8192 [pid 8162] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8162] <... clone3 resumed> => {parent_tid=[8165]}, 88) = 8165 [ 283.125832][ T8156] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] close(3./strace-static-x86_64: Process 8165 attached [pid 8162] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./165" [pid 8162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8165] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8165] set_robust_list(0x7f8728ba99a0, 24 [pid 8162] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... write resumed>) = 4194304 [pid 5054] <... rmdir resumed>) = 0 [pid 5054] mkdir("./166", 0777 [pid 8165] <... set_robust_list resumed>) = 0 [pid 8162] <... futex resumed>) = 0 [pid 8160] munmap(0x7f8720789000, 138412032 [pid 8165] rt_sigprocmask(SIG_SETMASK, [], [ 283.160169][ T8156] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 283.169713][ T8156] REISERFS (device loop1): using ordered data mode [ 283.178404][ T8156] reiserfs: using flush barriers [ 283.185598][ T8156] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8162] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] <... mkdir resumed>) = 0 [pid 8165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8161] <... write resumed>) = 4194304 [pid 8160] <... munmap resumed>) = 0 [pid 8161] munmap(0x7f8720789000, 138412032 [pid 8165] memfd_create("syzkaller", 0 [pid 8160] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8165] <... memfd_create resumed>) = 3 [pid 8160] <... openat resumed>) = 4 [pid 8160] ioctl(4, LOOP_SET_FD, 3 [pid 8165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8161] <... munmap resumed>) = 0 [pid 8165] <... mmap resumed>) = 0x7f8720789000 [pid 8163] <... write resumed>) = 4194304 [pid 8161] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8163] munmap(0x7f8720789000, 138412032 [pid 8161] <... openat resumed>) = 4 [pid 8161] ioctl(4, LOOP_SET_FD, 3 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 8163] <... munmap resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8160] <... ioctl resumed>) = 0 [pid 8160] close(3) = 0 [pid 8160] mkdir("./file0", 0777 [pid 8163] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8161] <... ioctl resumed>) = 0 [pid 8163] <... openat resumed>) = 4 [pid 8161] close(3 [pid 8163] ioctl(4, LOOP_SET_FD, 3 [pid 8161] <... close resumed>) = 0 [pid 8163] <... ioctl resumed>) = 0 [pid 8161] mkdir("./file0", 0777 [pid 8160] <... mkdir resumed>) = 0 [pid 8163] close(3) = 0 [pid 8161] <... mkdir resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8166 [pid 8163] mkdir("./file0", 0777 [pid 8161] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, ""./strace-static-x86_64: Process 8166 attached [pid 8166] set_robust_list(0x55555656d6a0, 24 [pid 8163] <... mkdir resumed>) = 0 [pid 8166] <... set_robust_list resumed>) = 0 [pid 8166] chdir("./166" [pid 8163] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8166] <... chdir resumed>) = 0 [pid 8160] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 283.207701][ T8160] loop4: detected capacity change from 0 to 8192 [ 283.223552][ T8156] REISERFS (device loop1): checking transaction log (loop1) [ 283.232692][ T8161] loop0: detected capacity change from 0 to 8192 [ 283.241171][ T8163] loop2: detected capacity change from 0 to 8192 [ 283.243163][ T8156] REISERFS (device loop1): Using tea hash to sort names [pid 8166] setpgid(0, 0) = 0 [pid 8165] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8166] write(3, "1000", 4) = 4 [pid 8166] close(3) = 0 [pid 8166] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8166] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8166] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8166] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8166] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 283.270137][ T8160] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.273102][ T8156] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 283.304190][ T8161] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8166] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8166] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8170]}, 88) = 8170 [pid 8166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8166] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8166] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8170 attached [pid 8170] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8156] <... mount resumed>) = 0 [pid 8156] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8156] chdir("./file0") = 0 [ 283.314288][ T8160] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 283.324027][ T8163] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.332417][ T8160] REISERFS (device loop4): using ordered data mode [ 283.347860][ T8160] reiserfs: using flush barriers [ 283.354211][ T8161] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 8156] ioctl(4, LOOP_CLR_FD [pid 8170] set_robust_list(0x7f8728ba99a0, 24 [pid 8156] <... ioctl resumed>) = 0 [pid 8156] close(4) = 0 [pid 8156] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8156] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8170] <... set_robust_list resumed>) = 0 [pid 8165] <... write resumed>) = 4194304 [pid 8155] <... futex resumed>) = 0 [ 283.358760][ T8163] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 283.372942][ T8160] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.372969][ T8161] REISERFS (device loop0): using ordered data mode [ 283.403995][ T8163] REISERFS (device loop2): using ordered data mode [ 283.408488][ T8161] reiserfs: using flush barriers [pid 8165] munmap(0x7f8720789000, 138412032 [pid 8170] rt_sigprocmask(SIG_SETMASK, [], [pid 8155] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8165] <... munmap resumed>) = 0 [ 283.416747][ T8163] reiserfs: using flush barriers [ 283.418256][ T8160] REISERFS (device loop4): checking transaction log (loop4) [ 283.423573][ T8161] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.447195][ T8163] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.449118][ T8160] REISERFS (device loop4): Using tea hash to sort names [pid 8165] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8156] <... futex resumed>) = 0 [pid 8155] <... futex resumed>) = 1 [pid 8170] memfd_create("syzkaller", 0 [pid 8155] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8170] <... memfd_create resumed>) = 3 [pid 8156] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8165] ioctl(4, LOOP_SET_FD, 3 [pid 8156] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8155] <... futex resumed>) = 0 [pid 8156] ftruncate(4, 33587195 [pid 8155] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8155] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8156] <... ftruncate resumed>) = 0 [pid 8165] <... ioctl resumed>) = 0 [pid 8156] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8165] close(3 [pid 8156] <... futex resumed>) = 1 [pid 8155] <... futex resumed>) = 0 [pid 8165] <... close resumed>) = 0 [pid 8156] creat("./bus", 040 [pid 8155] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8165] mkdir("./file0", 0777 [pid 8156] <... creat resumed>) = 5 [pid 8165] <... mkdir resumed>) = 0 [ 283.464166][ T8163] REISERFS (device loop2): checking transaction log (loop2) [ 283.480065][ T8163] REISERFS (device loop2): Using tea hash to sort names [ 283.487387][ T8165] loop5: detected capacity change from 0 to 8192 [ 283.497259][ T8163] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8165] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8163] <... mount resumed>) = 0 [pid 8156] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8155] <... futex resumed>) = 0 [pid 8155] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8156] <... futex resumed>) = 0 [pid 8155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8163] <... openat resumed>) = 3 [pid 8156] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8155] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] chdir("./file0" [pid 8156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8163] <... chdir resumed>) = 0 [pid 8156] mkdirat(AT_FDCWD, "./file0", 000 [pid 8155] <... futex resumed>) = 0 [pid 8155] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8156] <... mkdirat resumed>) = 0 [pid 8163] ioctl(4, LOOP_CLR_FD) = 0 [pid 8156] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] close(4 [pid 8156] <... futex resumed>) = 1 [pid 8155] <... futex resumed>) = 0 [ 283.514932][ T8161] REISERFS (device loop0): checking transaction log (loop0) [ 283.525757][ T8161] REISERFS (device loop0): Using tea hash to sort names [ 283.528350][ T8160] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 283.533892][ T8161] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 283.553675][ T8165] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8160] <... mount resumed>) = 0 [pid 8170] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8161] <... mount resumed>) = 0 [pid 8156] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8155] exit_group(0 [pid 8160] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8156] <... futex resumed>) = ? [pid 8155] <... exit_group resumed>) = ? [pid 8156] +++ exited with 0 +++ [pid 8155] +++ exited with 0 +++ [pid 8161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8160] <... openat resumed>) = 3 [pid 8163] <... close resumed>) = 0 [pid 8161] <... openat resumed>) = 3 [pid 8160] chdir("./file0" [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8155, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8163] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 283.566824][ T8165] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 283.587057][ T8165] REISERFS (device loop5): using ordered data mode [ 283.593607][ T8165] reiserfs: using flush barriers [pid 8163] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 8161] chdir("./file0" [pid 8160] <... chdir resumed>) = 0 [pid 8159] <... futex resumed>) = 0 [pid 5052] <... restart_syscall resumed>) = 0 [pid 8159] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] ioctl(4, LOOP_CLR_FD [pid 8159] <... futex resumed>) = 1 [pid 8163] <... futex resumed>) = 0 [pid 8161] <... chdir resumed>) = 0 [pid 8163] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8161] ioctl(4, LOOP_CLR_FD [pid 8160] <... ioctl resumed>) = 0 [pid 8159] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8161] <... ioctl resumed>) = 0 [pid 8160] close(4 [pid 8163] <... open resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8161] close(4 [pid 8160] <... close resumed>) = 0 [pid 8161] <... close resumed>) = 0 [pid 8160] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8161] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = 1 [pid 8157] <... futex resumed>) = 0 [pid 8157] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8161] <... futex resumed>) = 1 [pid 8160] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8157] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8163] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8157] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8163] <... futex resumed>) = 1 [pid 8161] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8160] <... open resumed>) = 4 [pid 8159] <... futex resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 8163] ftruncate(4, 33587195 [pid 8160] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8159] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8160] <... futex resumed>) = 1 [pid 8159] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8157] <... futex resumed>) = 0 [pid 5052] getdents64(3, [pid 8163] <... ftruncate resumed>) = 0 [pid 8160] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8157] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8157] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8157] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8163] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] ftruncate(4, 33587195 [pid 8158] <... futex resumed>) = 0 [pid 5052] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8159] <... futex resumed>) = 0 [pid 8160] <... ftruncate resumed>) = 0 [pid 8159] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8159] <... futex resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./169/binderfs", [pid 8160] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8159] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8160] <... futex resumed>) = 1 [pid 8158] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8157] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8157] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8157] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] unlink("./169/binderfs" [pid 8160] creat("./bus", 040 [pid 8161] <... futex resumed>) = 0 [pid 8158] <... futex resumed>) = 1 [pid 8161] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] <... unlink resumed>) = 0 [pid 8161] <... open resumed>) = 4 [pid 8160] <... creat resumed>) = 5 [pid 8158] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8161] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8161] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8158] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8161] <... futex resumed>) = 0 [pid 8161] ftruncate(4, 33587195 [ 283.609133][ T8165] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 283.628289][ T8165] REISERFS (device loop5): checking transaction log (loop5) [ 283.659122][ T8165] REISERFS (device loop5): Using tea hash to sort names [pid 8158] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8163] <... futex resumed>) = 1 [pid 8161] <... ftruncate resumed>) = 0 [pid 8163] creat("./bus", 040 [pid 8161] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] <... creat resumed>) = 5 [pid 8161] <... futex resumed>) = 1 [pid 8158] <... futex resumed>) = 0 [pid 8158] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8161] creat("./bus", 040 [pid 8158] <... futex resumed>) = 0 [pid 8158] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8161] <... creat resumed>) = 5 [pid 8170] <... write resumed>) = 4194304 [pid 8160] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8159] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8161] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8161] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8170] munmap(0x7f8720789000, 138412032) = 0 [pid 8157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8157] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8157] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8170] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8165] <... mount resumed>) = 0 [pid 8163] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = 1 [pid 8159] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8158] <... futex resumed>) = 0 [pid 8157] <... futex resumed>) = 0 [pid 8160] mkdirat(AT_FDCWD, "./file0", 000 [pid 8157] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=39000000} [pid 8170] ioctl(4, LOOP_SET_FD, 3 [pid 8160] <... mkdirat resumed>) = 0 [pid 8159] <... futex resumed>) = 0 [pid 8158] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8165] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8163] <... futex resumed>) = 0 [pid 8161] <... futex resumed>) = 0 [pid 8160] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8159] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8158] <... futex resumed>) = 1 [pid 8160] <... futex resumed>) = 1 [pid 8158] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8165] <... openat resumed>) = 3 [pid 8163] mkdirat(AT_FDCWD, "./file0", 000 [pid 8161] mkdirat(AT_FDCWD, "./file0", 000 [pid 8157] <... futex resumed>) = 0 [pid 8165] chdir("./file0" [pid 8163] <... mkdirat resumed>) = 0 [pid 8161] <... mkdirat resumed>) = 0 [pid 8160] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8157] exit_group(0 [pid 8165] <... chdir resumed>) = 0 [pid 8163] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8160] <... futex resumed>) = ? [pid 8157] <... exit_group resumed>) = ? [pid 8165] ioctl(4, LOOP_CLR_FD [pid 8163] <... futex resumed>) = 1 [pid 8160] +++ exited with 0 +++ [pid 8159] <... futex resumed>) = 0 [pid 8157] +++ exited with 0 +++ [pid 8165] <... ioctl resumed>) = 0 [pid 8163] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8159] exit_group(0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8157, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8165] close(4 [pid 8159] <... exit_group resumed>) = ? [pid 8165] <... close resumed>) = 0 [pid 8163] <... futex resumed>) = ? [pid 8165] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8163] +++ exited with 0 +++ [pid 8159] +++ exited with 0 +++ [pid 8165] <... futex resumed>) = 1 [pid 8165] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8162] <... futex resumed>) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8159, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8162] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] <... futex resumed>) = 0 [pid 8162] <... futex resumed>) = 1 [pid 8161] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8165] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8162] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8161] <... futex resumed>) = 1 [pid 8158] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8161] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 283.704849][ T8165] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 283.731321][ T8170] loop3: detected capacity change from 0 to 8192 [pid 8158] exit_group(0 [pid 5055] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8170] <... ioctl resumed>) = 0 [pid 8165] <... open resumed>) = 4 [pid 8161] <... futex resumed>) = ? [pid 8158] <... exit_group resumed>) = ? [pid 5053] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8170] close(3 [pid 8161] +++ exited with 0 +++ [pid 8158] +++ exited with 0 +++ [pid 5055] newfstatat(3, "", [pid 5053] <... openat resumed>) = 3 [pid 8170] <... close resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] newfstatat(3, "", [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8158, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8170] mkdir("./file0", 0777 [pid 5055] getdents64(3, [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8165] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] getdents64(3, [pid 8170] <... mkdir resumed>) = 0 [pid 8165] <... futex resumed>) = 1 [pid 8162] <... futex resumed>) = 0 [pid 5055] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8162] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8162] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] newfstatat(AT_FDCWD, "./166/binderfs", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5053] newfstatat(AT_FDCWD, "./168/binderfs", [pid 8165] ftruncate(4, 33587195 [pid 5055] unlink("./166/binderfs" [pid 5051] newfstatat(3, "", [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8170] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] <... unlink resumed>) = 0 [pid 5053] unlink("./168/binderfs" [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... unlink resumed>) = 0 [pid 5051] getdents64(3, [pid 5053] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./172/binderfs") = 0 [ 283.762118][ T29] kauditd_printk_skb: 17 callbacks suppressed [ 283.762133][ T29] audit: type=1800 audit(1698988428.514:1015): pid=8165 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 5051] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] <... ftruncate resumed>) = 0 [pid 8165] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8162] <... futex resumed>) = 0 [ 283.824881][ T8170] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 283.851811][ T8170] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8165] creat("./bus", 040 [pid 8162] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = 0 [pid 8162] <... futex resumed>) = 0 [pid 8162] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8165] <... creat resumed>) = 5 [pid 8165] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] <... futex resumed>) = 1 [pid 8162] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8165] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8162] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./169/file0", [pid 8165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8162] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8165] mkdirat(AT_FDCWD, "./file0", 000 [pid 8162] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8165] <... mkdirat resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8165] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 8165] <... futex resumed>) = 1 [pid 8162] <... futex resumed>) = 0 [pid 8165] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8162] exit_group(0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8162] <... exit_group resumed>) = ? [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 8165] <... futex resumed>) = ? [pid 5052] close(4) = 0 [pid 5052] rmdir("./169/file0" [pid 8165] +++ exited with 0 +++ [pid 8162] +++ exited with 0 +++ [pid 5052] <... rmdir resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8162, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5052] getdents64(3, [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... restart_syscall resumed>) = 0 [pid 5052] close(3 [pid 5056] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] rmdir("./169" [pid 5056] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] <... rmdir resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 5052] mkdir("./170", 0777 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 283.875378][ T8170] REISERFS (device loop3): using ordered data mode [ 283.882529][ T8170] reiserfs: using flush barriers [ 283.897603][ T8170] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5052] <... mkdir resumed>) = 0 [pid 5056] getdents64(3, [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... openat resumed>) = 3 [pid 5056] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] newfstatat(AT_FDCWD, "./168/binderfs", [pid 5052] close(3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... close resumed>) = 0 [pid 5056] unlink("./168/binderfs" [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] <... unlink resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8173 [pid 5056] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8173 attached [pid 8173] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8173] chdir("./170") = 0 [pid 8173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8173] setpgid(0, 0) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 8173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8173] write(3, "1000", 4) = 4 [pid 8173] close(3) = 0 [pid 8173] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8173] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 283.986525][ T8170] REISERFS (device loop3): checking transaction log (loop3) [pid 8173] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] newfstatat(AT_FDCWD, "./172/file0", [pid 8173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5051] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8173] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... openat resumed>) = 4 [pid 8173] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] newfstatat(4, "", [pid 8173] <... mprotect resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] getdents64(4, [pid 8173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8174 attached [pid 5056] <... umount2 resumed>) = 0 [pid 5051] getdents64(4, [pid 8174] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8173] <... clone3 resumed> => {parent_tid=[8174]}, 88) = 8174 [pid 5056] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8174] <... rseq resumed>) = 0 [pid 5051] close(4 [pid 8174] set_robust_list(0x7f8728ba99a0, 24 [pid 8173] rt_sigprocmask(SIG_SETMASK, [], [pid 8174] <... set_robust_list resumed>) = 0 [pid 8173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = 0 [pid 8174] rt_sigprocmask(SIG_SETMASK, [], [pid 8173] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8170] <... mount resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./168/file0", [pid 5053] <... umount2 resumed>) = 0 [pid 5051] rmdir("./172/file0" [pid 8174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8173] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8174] memfd_create("syzkaller", 0 [pid 8173] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8170] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... rmdir resumed>) = 0 [pid 8174] <... memfd_create resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8170] <... openat resumed>) = 3 [pid 5056] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(3, [pid 8170] chdir("./file0" [pid 5056] <... openat resumed>) = 4 [pid 8174] <... mmap resumed>) = 0x7f8720789000 [pid 5056] newfstatat(4, "", [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8170] <... chdir resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] close(3 [pid 8170] ioctl(4, LOOP_CLR_FD [pid 5056] getdents64(4, [pid 5051] <... close resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] newfstatat(AT_FDCWD, "./168/file0", [pid 5051] rmdir("./172" [pid 8170] <... ioctl resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8170] close(4 [pid 5053] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] <... rmdir resumed>) = 0 [pid 8170] <... close resumed>) = 0 [pid 5051] mkdir("./173", 0777 [pid 8170] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 8170] <... futex resumed>) = 1 [pid 5053] getdents64(4, [pid 8166] <... futex resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 8170] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8166] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [ 284.040002][ T8170] REISERFS (device loop3): Using tea hash to sort names [ 284.068345][ T8170] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8166] <... futex resumed>) = 0 [pid 5053] close(4 [pid 8170] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8166] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... close resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5053] rmdir("./168/file0" [pid 8170] <... open resumed>) = 4 [pid 5056] getdents64(4, [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] getdents64(3, [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5055] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(4 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./168/file0" [pid 5051] close(3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] close(3 [pid 5056] <... rmdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./166/file0", [pid 5053] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] rmdir("./168" [pid 8170] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8175 attached [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8175 [pid 8170] <... futex resumed>) = 1 [pid 8166] <... futex resumed>) = 0 [pid 8175] set_robust_list(0x55555656d6a0, 24 [pid 8170] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8166] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] mkdir("./169", 0777 [pid 8170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8166] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 8166] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8170] ftruncate(4, 33587195 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3 [pid 5055] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... mkdir resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5056] <... close resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 5053] <... openat resumed>) = 3 [pid 5056] rmdir("./168" [pid 8175] <... set_robust_list resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5056] <... rmdir resumed>) = 0 [pid 8175] chdir("./173" [pid 5056] mkdir("./169", 0777 [pid 5055] getdents64(4, [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] close(3 [pid 5055] getdents64(4, [pid 5053] <... close resumed>) = 0 [pid 8175] <... chdir resumed>) = 0 [pid 8170] <... ftruncate resumed>) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8170] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] <... prctl resumed>) = 0 [pid 8170] <... futex resumed>) = 1 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8166] <... futex resumed>) = 0 [pid 8175] setpgid(0, 0 [pid 8170] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8166] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] <... setpgid resumed>) = 0 [pid 8170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8166] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 8175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8170] creat("./bus", 040 [pid 8166] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5055] close(4) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8176 ./strace-static-x86_64: Process 8176 attached [pid 5055] rmdir("./166/file0" [pid 8176] set_robust_list(0x55555656d6a0, 24 [pid 8175] <... openat resumed>) = 3 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... rmdir resumed>) = 0 [pid 8176] <... set_robust_list resumed>) = 0 [pid 5056] close(3 [pid 5055] getdents64(3, [pid 5056] <... close resumed>) = 0 [ 284.117987][ T29] audit: type=1800 audit(1698988428.874:1016): pid=8170 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8176] chdir("./169" [pid 8175] write(3, "1000", 4 [pid 8170] <... creat resumed>) = 5 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8177 attached [pid 8176] <... chdir resumed>) = 0 [pid 8175] <... write resumed>) = 4 [pid 8170] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] close(3 [pid 8177] set_robust_list(0x55555656d6a0, 24 [pid 8176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8175] close(3 [pid 8170] <... futex resumed>) = 1 [pid 8166] <... futex resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8177 [pid 5055] <... close resumed>) = 0 [pid 8177] <... set_robust_list resumed>) = 0 [pid 8176] <... prctl resumed>) = 0 [pid 8175] <... close resumed>) = 0 [pid 8174] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8170] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8177] chdir("./169") = 0 [pid 8176] setpgid(0, 0 [pid 8175] symlink("/dev/binderfs", "./binderfs" [pid 8177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8177] setpgid(0, 0 [pid 8170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8166] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8177] <... setpgid resumed>) = 0 [pid 8176] <... setpgid resumed>) = 0 [pid 8175] <... symlink resumed>) = 0 [pid 8177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8166] <... futex resumed>) = 0 [pid 8176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8166] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] rmdir("./166" [pid 8177] <... openat resumed>) = 3 [pid 8170] mkdirat(AT_FDCWD, "./file0", 000 [pid 8177] write(3, "1000", 4 [pid 8176] <... openat resumed>) = 3 [pid 8175] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... rmdir resumed>) = 0 [pid 8176] write(3, "1000", 4 [pid 8175] <... futex resumed>) = 0 [pid 8170] <... mkdirat resumed>) = 0 [pid 5055] mkdir("./167", 0777 [pid 8176] <... write resumed>) = 4 [pid 8177] <... write resumed>) = 4 [pid 8177] close(3 [pid 5055] <... mkdir resumed>) = 0 [pid 8176] close(3 [pid 8175] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8176] <... close resumed>) = 0 [pid 8175] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8176] symlink("/dev/binderfs", "./binderfs" [pid 8175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8177] <... close resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 8177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8176] <... symlink resumed>) = 0 [pid 8175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8177] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8170] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8176] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8177] <... futex resumed>) = 0 [pid 8176] <... futex resumed>) = 0 [pid 8175] <... mmap resumed>) = 0x7f8728b89000 [pid 8170] <... futex resumed>) = 1 [pid 8166] <... futex resumed>) = 0 [pid 5055] close(3 [pid 8177] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8175] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8170] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8166] exit_group(0 [pid 8176] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8177] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... close resumed>) = 0 [pid 8175] <... mprotect resumed>) = 0 [pid 8176] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8176] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8176] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8176] <... mmap resumed>) = 0x7f8728b89000 [pid 8170] <... futex resumed>) = ? [pid 8166] <... exit_group resumed>) = ? [pid 8175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8178 attached [pid 8177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8176] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8170] +++ exited with 0 +++ [pid 8166] +++ exited with 0 +++ [pid 8177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8176] <... mprotect resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8166, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8178 [pid 8178] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8177] <... mmap resumed>) = 0x7f8728b89000 [pid 8176] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8175] <... clone3 resumed> => {parent_tid=[8179]}, 88) = 8179 [pid 8177] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8178] chdir("./167"./strace-static-x86_64: Process 8179 attached [pid 8177] <... mprotect resumed>) = 0 [pid 8176] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8175] rt_sigprocmask(SIG_SETMASK, [], [pid 8179] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8178] <... chdir resumed>) = 0 [pid 8177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8176] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8179] <... rseq resumed>) = 0 [pid 8177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8179] set_robust_list(0x7f8728ba99a0, 24 [pid 8178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8175] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8181 attached ./strace-static-x86_64: Process 8180 attached [pid 8179] <... set_robust_list resumed>) = 0 [pid 8178] <... prctl resumed>) = 0 [pid 8176] <... clone3 resumed> => {parent_tid=[8180]}, 88) = 8180 [pid 8175] <... futex resumed>) = 0 [pid 5054] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8178] setpgid(0, 0 [pid 8176] rt_sigprocmask(SIG_SETMASK, [], [pid 8175] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8178] <... setpgid resumed>) = 0 [pid 8176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8176] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 8176] <... futex resumed>) = 0 [pid 8181] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8179] rt_sigprocmask(SIG_SETMASK, [], [pid 8177] <... clone3 resumed> => {parent_tid=[8181]}, 88) = 8181 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8176] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8181] <... rseq resumed>) = 0 [pid 8179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8177] rt_sigprocmask(SIG_SETMASK, [], [pid 8181] set_robust_list(0x7f8728ba99a0, 24 [pid 8179] memfd_create("syzkaller", 0 [pid 8177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8181] <... set_robust_list resumed>) = 0 [pid 8179] <... memfd_create resumed>) = 3 [pid 8181] rt_sigprocmask(SIG_SETMASK, [], [pid 8180] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8178] <... openat resumed>) = 3 [pid 8177] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8178] write(3, "1000", 4 [pid 5054] newfstatat(AT_FDCWD, "./166/binderfs", [pid 8178] <... write resumed>) = 4 [pid 8181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8180] <... rseq resumed>) = 0 [pid 8178] close(3 [pid 8177] <... futex resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8181] memfd_create("syzkaller", 0 [pid 8180] set_robust_list(0x7f8728ba99a0, 24 [pid 8178] <... close resumed>) = 0 [pid 8177] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8181] <... memfd_create resumed>) = 3 [pid 8180] <... set_robust_list resumed>) = 0 [pid 8181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8180] rt_sigprocmask(SIG_SETMASK, [], [pid 8178] symlink("/dev/binderfs", "./binderfs" [pid 5054] unlink("./166/binderfs" [pid 8181] <... mmap resumed>) = 0x7f8720789000 [pid 8180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8178] <... symlink resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 8180] memfd_create("syzkaller", 0 [pid 8179] <... mmap resumed>) = 0x7f8720789000 [pid 8180] <... memfd_create resumed>) = 3 [pid 5054] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8178] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8178] <... futex resumed>) = 0 [pid 8178] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8178] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8178] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8178] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8182 attached [pid 8182] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8178] <... clone3 resumed> => {parent_tid=[8182]}, 88) = 8182 [pid 8182] <... rseq resumed>) = 0 [pid 8178] rt_sigprocmask(SIG_SETMASK, [], [pid 8182] set_robust_list(0x7f8728ba99a0, 24 [pid 8178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8178] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... set_robust_list resumed>) = 0 [pid 8182] rt_sigprocmask(SIG_SETMASK, [], [pid 8179] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8178] <... futex resumed>) = 0 [pid 8182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8178] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8182] memfd_create("syzkaller", 0) = 3 [pid 8182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8181] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8182] <... mmap resumed>) = 0x7f8720789000 [pid 5054] <... umount2 resumed>) = 0 [pid 8174] <... write resumed>) = 4194304 [pid 8174] munmap(0x7f8720789000, 138412032) = 0 [pid 5054] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./166/file0", [pid 8180] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8174] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8174] <... openat resumed>) = 4 [pid 5054] <... openat resumed>) = 4 [pid 8174] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5054] newfstatat(4, "", [pid 8174] close(3) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8174] mkdir("./file0", 0777 [pid 5054] getdents64(4, [pid 8174] <... mkdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 8174] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./166/file0" [pid 8182] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... rmdir resumed>) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./166") = 0 [ 284.415873][ T8174] loop1: detected capacity change from 0 to 8192 [ 284.445504][ T8174] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] mkdir("./167", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 8179] <... write resumed>) = 4194304 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8184 attached , child_tidptr=0x55555656d690) = 8184 [ 284.483834][ T8174] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 284.494552][ T8174] REISERFS (device loop1): using ordered data mode [ 284.501386][ T8174] reiserfs: using flush barriers [pid 8184] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8184] chdir("./167" [pid 8182] <... write resumed>) = 4194304 [pid 8181] <... write resumed>) = 4194304 [pid 8182] munmap(0x7f8720789000, 138412032 [pid 8181] munmap(0x7f8720789000, 138412032) = 0 [pid 8184] <... chdir resumed>) = 0 [pid 8184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8184] setpgid(0, 0 [pid 8182] <... munmap resumed>) = 0 [pid 8184] <... setpgid resumed>) = 0 [pid 8179] munmap(0x7f8720789000, 138412032 [pid 8181] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8180] <... write resumed>) = 4194304 [pid 8181] <... openat resumed>) = 4 [pid 8181] ioctl(4, LOOP_SET_FD, 3 [pid 8184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8182] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8180] munmap(0x7f8720789000, 138412032 [pid 8179] <... munmap resumed>) = 0 [pid 8182] <... openat resumed>) = 4 [pid 8180] <... munmap resumed>) = 0 [pid 8179] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8184] <... openat resumed>) = 3 [pid 8182] ioctl(4, LOOP_SET_FD, 3 [pid 8179] <... openat resumed>) = 4 [pid 8179] ioctl(4, LOOP_SET_FD, 3 [pid 8180] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8180] ioctl(4, LOOP_SET_FD, 3 [pid 8184] write(3, "1000", 4 [pid 8182] <... ioctl resumed>) = 0 [pid 8184] <... write resumed>) = 4 [pid 8182] close(3 [pid 8184] close(3 [pid 8182] <... close resumed>) = 0 [ 284.551772][ T8174] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.566165][ T8181] loop5: detected capacity change from 0 to 8192 [ 284.569588][ T8174] REISERFS (device loop1): checking transaction log (loop1) [ 284.584415][ T8182] loop4: detected capacity change from 0 to 8192 [ 284.585348][ T8180] loop2: detected capacity change from 0 to 8192 [pid 8182] mkdir("./file0", 0777 [pid 8184] <... close resumed>) = 0 [pid 8182] <... mkdir resumed>) = 0 [pid 8181] <... ioctl resumed>) = 0 [pid 8180] <... ioctl resumed>) = 0 [pid 8182] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8184] symlink("/dev/binderfs", "./binderfs" [pid 8181] close(3 [pid 8180] close(3 [pid 8179] <... ioctl resumed>) = 0 [pid 8184] <... symlink resumed>) = 0 [pid 8181] <... close resumed>) = 0 [ 284.599308][ T8179] loop0: detected capacity change from 0 to 8192 [ 284.610152][ T8174] REISERFS (device loop1): Using tea hash to sort names [ 284.619327][ T8182] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.619404][ T8174] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 284.642088][ T8182] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 8180] <... close resumed>) = 0 [pid 8179] close(3 [pid 8184] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8181] mkdir("./file0", 0777 [pid 8184] <... futex resumed>) = 0 [pid 8181] <... mkdir resumed>) = 0 [pid 8184] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8181] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8184] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8184] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8180] mkdir("./file0", 0777 [pid 8174] <... mount resumed>) = 0 ./strace-static-x86_64: Process 8187 attached [pid 8180] <... mkdir resumed>) = 0 [pid 8184] <... clone3 resumed> => {parent_tid=[8187]}, 88) = 8187 [pid 8184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8184] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8180] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8179] <... close resumed>) = 0 [pid 8184] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8179] mkdir("./file0", 0777) = 0 [pid 8174] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8187] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8179] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8187] <... rseq resumed>) = 0 [pid 8187] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8187] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 284.644607][ T8181] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.651619][ T8182] REISERFS (device loop4): using ordered data mode [ 284.671269][ T8182] reiserfs: using flush barriers [ 284.678936][ T8181] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 8187] memfd_create("syzkaller", 0 [pid 8174] <... openat resumed>) = 3 [pid 8187] <... memfd_create resumed>) = 3 [pid 8174] chdir("./file0" [pid 8187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8174] <... chdir resumed>) = 0 [pid 8187] <... mmap resumed>) = 0x7f8720789000 [pid 8174] ioctl(4, LOOP_CLR_FD) = 0 [pid 8174] close(4) = 0 [pid 8174] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8173] <... futex resumed>) = 0 [pid 8174] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8173] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8174] <... open resumed>) = 4 [pid 8173] <... futex resumed>) = 0 [ 284.679351][ T8182] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.688245][ T8181] REISERFS (device loop5): using ordered data mode [ 284.710834][ T8181] reiserfs: using flush barriers [ 284.718316][ T8180] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.719334][ T8179] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 284.745857][ T29] audit: type=1800 audit(1698988429.504:1017): pid=8174 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 284.767401][ T8181] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.785640][ T8182] REISERFS (device loop4): checking transaction log (loop4) [ 284.786717][ T8180] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8173] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8174] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8173] <... futex resumed>) = 0 [pid 8174] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8173] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8187] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8173] <... futex resumed>) = 0 [pid 8174] ftruncate(4, 33587195 [pid 8173] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8174] <... ftruncate resumed>) = 0 [ 284.793169][ T8179] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 284.812567][ T8181] REISERFS (device loop5): checking transaction log (loop5) [ 284.827684][ T8182] REISERFS (device loop4): Using tea hash to sort names [ 284.830616][ T8180] REISERFS (device loop2): using ordered data mode [ 284.835658][ T8181] REISERFS (device loop5): Using tea hash to sort names [pid 8174] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8173] <... futex resumed>) = 0 [pid 8174] creat("./bus", 040 [pid 8173] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8181] <... mount resumed>) = 0 [pid 8174] <... creat resumed>) = 5 [pid 8173] <... futex resumed>) = 0 [pid 8174] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8173] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8174] <... futex resumed>) = 0 [pid 8173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8174] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8173] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8173] <... futex resumed>) = 0 [pid 8174] mkdirat(AT_FDCWD, "./file0", 000 [pid 8173] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8174] <... mkdirat resumed>) = 0 [pid 8174] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8173] <... futex resumed>) = 0 [pid 8174] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8173] exit_group(0 [pid 8174] <... futex resumed>) = ? [pid 8173] <... exit_group resumed>) = ? [pid 8174] +++ exited with 0 +++ [pid 8173] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8173, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 8181] <... openat resumed>) = 3 [pid 5052] <... restart_syscall resumed>) = 0 [ 284.845686][ T8182] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 284.848963][ T8181] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 284.866990][ T8180] reiserfs: using flush barriers [ 284.874228][ T8179] REISERFS (device loop0): using ordered data mode [ 284.881099][ T8179] reiserfs: using flush barriers [ 284.886758][ T8180] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5052] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8181] chdir("./file0" [pid 5052] getdents64(3, [pid 8181] <... chdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8181] ioctl(4, LOOP_CLR_FD [pid 5052] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./170/binderfs", [pid 8182] <... mount resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./170/binderfs") = 0 [pid 5052] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8182] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8182] chdir("./file0" [pid 8181] <... ioctl resumed>) = 0 [pid 8182] <... chdir resumed>) = 0 [pid 8181] close(4 [pid 8182] ioctl(4, LOOP_CLR_FD) = 0 [pid 8182] close(4) = 0 [pid 8181] <... close resumed>) = 0 [pid 8182] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8181] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... futex resumed>) = 1 [pid 8178] <... futex resumed>) = 0 [pid 8178] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8178] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8182] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8181] <... futex resumed>) = 1 [pid 8177] <... futex resumed>) = 0 [ 284.888685][ T8179] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 284.920884][ T8179] REISERFS (device loop0): checking transaction log (loop0) [ 284.930911][ T8179] REISERFS (device loop0): Using tea hash to sort names [pid 8182] <... open resumed>) = 4 [pid 8181] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8177] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8181] <... open resumed>) = 4 [ 284.947515][ T29] audit: type=1800 audit(1698988429.704:1018): pid=8182 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 284.950869][ T8179] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8177] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8181] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8178] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8181] <... futex resumed>) = 1 [pid 8177] <... futex resumed>) = 0 [pid 8178] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 8178] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 8181] ftruncate(4, 33587195 [pid 8178] <... mprotect resumed>) = 0 [pid 8177] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8178] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8177] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8178] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8178] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} => {parent_tid=[8190]}, 88) = 8190 [pid 8178] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8190 attached [pid 8182] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8190] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8182] <... futex resumed>) = 0 [pid 8178] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8190] <... rseq resumed>) = 0 [pid 8182] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8178] <... futex resumed>) = 0 [pid 8190] set_robust_list(0x7f8728b889a0, 24 [pid 8178] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8190] <... set_robust_list resumed>) = 0 [pid 8190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 284.994370][ T8180] REISERFS (device loop2): checking transaction log (loop2) [ 285.020705][ T29] audit: type=1800 audit(1698988429.734:1019): pid=8181 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 8190] ftruncate(4, 33587195) = 0 [pid 8181] <... ftruncate resumed>) = 0 [pid 8190] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8178] <... futex resumed>) = 0 [pid 8178] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... futex resumed>) = 0 [pid 8178] <... futex resumed>) = 1 [pid 8182] creat("./bus", 040 [pid 8178] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8182] <... creat resumed>) = 5 [pid 8190] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8182] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8178] <... futex resumed>) = 0 [pid 8178] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8182] mkdirat(AT_FDCWD, "./file0", 000 [pid 8178] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8182] <... mkdirat resumed>) = 0 [pid 8182] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8181] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8182] <... futex resumed>) = 1 [pid 8178] <... futex resumed>) = 0 [pid 8182] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8178] exit_group(0 [pid 8181] <... futex resumed>) = 1 [pid 8177] <... futex resumed>) = 0 [pid 8190] <... futex resumed>) = ? [pid 8182] <... futex resumed>) = ? [pid 8178] <... exit_group resumed>) = ? [pid 8190] +++ exited with 0 +++ [pid 8182] +++ exited with 0 +++ [pid 8178] +++ exited with 0 +++ [pid 8177] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8187] <... write resumed>) = 4194304 [pid 8181] creat("./bus", 040 [pid 8179] <... mount resumed>) = 0 [pid 8177] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8178, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8179] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8179] <... openat resumed>) = 3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8181] <... creat resumed>) = 5 [pid 8179] chdir("./file0" [pid 5055] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", [pid 8179] <... chdir resumed>) = 0 [pid 8179] ioctl(4, LOOP_CLR_FD [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8179] <... ioctl resumed>) = 0 [pid 5055] getdents64(3, [pid 8181] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8179] close(4 [pid 8177] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8181] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8177] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8179] <... close resumed>) = 0 [pid 8177] <... futex resumed>) = 0 [pid 8181] mkdirat(AT_FDCWD, "./file0", 000 [pid 8179] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8177] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./167/binderfs", [pid 8181] <... mkdirat resumed>) = 0 [pid 8179] <... futex resumed>) = 1 [pid 8175] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./167/binderfs" [pid 8187] munmap(0x7f8720789000, 138412032) = 0 [pid 8181] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8179] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8175] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... unlink resumed>) = 0 [pid 8175] <... futex resumed>) = 0 [ 285.045460][ T8180] REISERFS (device loop2): Using tea hash to sort names [ 285.052870][ T8180] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5055] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8187] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8181] <... futex resumed>) = 1 [pid 8180] <... mount resumed>) = 0 [pid 8179] <... open resumed>) = 4 [pid 8177] <... futex resumed>) = 0 [pid 8175] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = 0 [pid 8187] <... openat resumed>) = 4 [pid 8187] ioctl(4, LOOP_SET_FD, 3 [pid 8180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8179] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8177] exit_group(0 [pid 8175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8180] <... openat resumed>) = 3 [pid 8179] <... futex resumed>) = 0 [pid 8180] chdir("./file0" [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8179] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8180] <... chdir resumed>) = 0 [pid 8177] <... exit_group resumed>) = ? [pid 8175] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./170/file0", [pid 8180] ioctl(4, LOOP_CLR_FD [pid 8175] <... futex resumed>) = 1 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8180] <... ioctl resumed>) = 0 [pid 8179] <... futex resumed>) = 0 [pid 8180] close(4 [pid 5052] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8179] ftruncate(4, 33587195 [pid 8175] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8180] <... close resumed>) = 0 [pid 8181] +++ exited with 0 +++ [pid 8180] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8179] <... ftruncate resumed>) = 0 [pid 8177] +++ exited with 0 +++ [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8180] <... futex resumed>) = 1 [pid 8179] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8176] <... futex resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8177, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 8180] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8179] <... futex resumed>) = 1 [pid 8176] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8179] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] <... futex resumed>) = 0 [pid 8175] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 4 [pid 8180] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8176] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8175] <... futex resumed>) = 0 [pid 5056] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(4, "", [pid 8179] creat("./bus", 040 [pid 8175] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8180] <... open resumed>) = 4 [pid 5056] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5056] newfstatat(3, "", [pid 5052] getdents64(4, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, [pid 8179] <... creat resumed>) = 5 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, [pid 8180] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./169/binderfs") = 0 [ 285.101170][ T29] audit: type=1800 audit(1698988429.854:1020): pid=8179 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 285.109322][ T8187] loop3: detected capacity change from 0 to 8192 [pid 5056] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8187] <... ioctl resumed>) = 0 [pid 8187] close(3) = 0 [pid 8187] mkdir("./file0", 0777) = 0 [pid 8180] <... futex resumed>) = 1 [pid 8179] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8176] <... futex resumed>) = 0 [pid 8175] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5052] close(4 [pid 8180] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8179] <... futex resumed>) = 0 [pid 8176] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8179] mkdirat(AT_FDCWD, "./file0", 000 [pid 8176] <... futex resumed>) = 0 [pid 8175] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8175] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8180] ftruncate(4, 33587195 [pid 8187] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8179] <... mkdirat resumed>) = 0 [pid 8176] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8179] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8180] <... ftruncate resumed>) = 0 [pid 8179] <... futex resumed>) = 1 [pid 8175] <... futex resumed>) = 0 [pid 5052] rmdir("./170/file0" [pid 8180] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8179] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8175] exit_group(0 [pid 8180] <... futex resumed>) = 1 [pid 8179] <... futex resumed>) = ? [pid 8176] <... futex resumed>) = 0 [pid 8175] <... exit_group resumed>) = ? [pid 5052] <... rmdir resumed>) = 0 [pid 8180] creat("./bus", 040 [pid 8179] +++ exited with 0 +++ [pid 8176] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8175] +++ exited with 0 +++ [pid 8176] <... futex resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8175, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [ 285.146346][ T29] audit: type=1800 audit(1698988429.894:1021): pid=8180 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 8176] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8180] <... creat resumed>) = 5 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./173/binderfs") = 0 [pid 5051] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8180] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8176] <... futex resumed>) = 0 [pid 8180] mkdirat(AT_FDCWD, "./file0", 000 [pid 8176] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8180] <... mkdirat resumed>) = 0 [pid 8176] <... futex resumed>) = 0 [pid 8180] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8176] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8180] <... futex resumed>) = 0 [pid 8176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8180] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8176] exit_group(0 [pid 8180] <... futex resumed>) = ? [pid 8176] <... exit_group resumed>) = ? [pid 8180] +++ exited with 0 +++ [pid 8176] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8176, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5052] getdents64(3, [pid 5056] <... umount2 resumed>) = 0 [ 285.222161][ T8187] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] rmdir("./170" [pid 5056] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... openat resumed>) = 3 [pid 5052] <... rmdir resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(3, "", [pid 5056] newfstatat(AT_FDCWD, "./169/file0", [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] getdents64(3, [pid 5056] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... openat resumed>) = 4 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 285.266930][ T8187] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 285.277214][ T8187] REISERFS (device loop3): using ordered data mode [ 285.284319][ T8187] reiserfs: using flush barriers [ 285.300393][ T8187] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5056] newfstatat(4, "", [pid 5053] newfstatat(AT_FDCWD, "./169/binderfs", [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] mkdir("./171", 0777 [pid 5056] getdents64(4, [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] unlink("./169/binderfs" [pid 5056] getdents64(4, [pid 5053] <... unlink resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./169/file0" [pid 5055] <... umount2 resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5053] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] getdents64(3, [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 8192 attached [pid 5056] close(3 [pid 5055] <... openat resumed>) = 4 [pid 8192] set_robust_list(0x55555656d6a0, 24 [pid 5056] <... close resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 8192] <... set_robust_list resumed>) = 0 [pid 5056] rmdir("./169" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8192] chdir("./171" [pid 5056] <... rmdir resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8192 [pid 8192] <... chdir resumed>) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 5056] mkdir("./170", 0777 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5055] close(4 [pid 8192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... close resumed>) = 0 [pid 8192] <... prctl resumed>) = 0 [pid 5055] rmdir("./167/file0" [pid 8192] setpgid(0, 0) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5055] getdents64(3, [pid 8192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [ 285.347862][ T8187] REISERFS (device loop3): checking transaction log (loop3) [ 285.359950][ T8187] REISERFS (device loop3): Using tea hash to sort names [pid 8192] <... openat resumed>) = 3 [pid 5056] <... openat resumed>) = 3 [pid 5055] close(3 [pid 8192] write(3, "1000", 4 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8192] <... write resumed>) = 4 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8192] close(3 [pid 5056] close(3 [pid 8192] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 8192] symlink("/dev/binderfs", "./binderfs" [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... close resumed>) = 0 [pid 8192] <... symlink resumed>) = 0 [pid 8192] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8193 ./strace-static-x86_64: Process 8193 attached [pid 8192] <... futex resumed>) = 0 [pid 8193] set_robust_list(0x55555656d6a0, 24 [pid 8192] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8193] <... set_robust_list resumed>) = 0 [pid 8192] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8193] chdir("./170" [pid 8192] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8193] <... chdir resumed>) = 0 [pid 8192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] rmdir("./167" [pid 8192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8192] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... rmdir resumed>) = 0 [pid 8193] <... prctl resumed>) = 0 [pid 8192] <... mprotect resumed>) = 0 [pid 5055] mkdir("./168", 0777 [pid 8193] setpgid(0, 0 [pid 8192] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8193] <... setpgid resumed>) = 0 [pid 8192] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8192] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8187] <... mount resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 8193] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8193] write(3, "1000", 4 [pid 8192] <... clone3 resumed> => {parent_tid=[8194]}, 88) = 8194 [pid 8193] <... write resumed>) = 4 [pid 8192] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8193] close(3 [pid 8192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8187] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] close(3./strace-static-x86_64: Process 8194 attached [pid 8193] <... close resumed>) = 0 [pid 8192] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8187] <... openat resumed>) = 3 [pid 5055] <... close resumed>) = 0 [pid 8194] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8193] symlink("/dev/binderfs", "./binderfs" [pid 8192] <... futex resumed>) = 0 [pid 8187] chdir("./file0" [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8194] <... rseq resumed>) = 0 [pid 8193] <... symlink resumed>) = 0 [pid 8192] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8187] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 8195 attached [pid 8194] set_robust_list(0x7f8728ba99a0, 24 [pid 8193] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8187] ioctl(4, LOOP_CLR_FD [ 285.394460][ T8187] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8195] set_robust_list(0x55555656d6a0, 24 [pid 8194] <... set_robust_list resumed>) = 0 [pid 8193] <... futex resumed>) = 0 [pid 8187] <... ioctl resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8195 [pid 8195] <... set_robust_list resumed>) = 0 [pid 8194] rt_sigprocmask(SIG_SETMASK, [], [pid 8193] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8187] close(4 [pid 8195] chdir("./168" [pid 8194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8193] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8187] <... close resumed>) = 0 [pid 8195] <... chdir resumed>) = 0 [pid 8194] memfd_create("syzkaller", 0 [pid 8195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8194] <... memfd_create resumed>) = 3 [pid 8194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8195] setpgid(0, 0) = 0 [pid 8187] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8187] <... futex resumed>) = 1 [pid 8184] <... futex resumed>) = 0 [pid 8193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8195] <... openat resumed>) = 3 [pid 8184] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] write(3, "1000", 4 [pid 8187] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8195] <... write resumed>) = 4 [pid 8195] close(3 [pid 8193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8187] <... open resumed>) = 4 [pid 8184] <... futex resumed>) = 0 [pid 8193] <... mmap resumed>) = 0x7f8728b89000 [pid 8184] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8193] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8193] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8196]}, 88) = 8196 [pid 8193] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8193] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8193] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8196 attached [pid 8196] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8196] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8196] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8196] memfd_create("syzkaller", 0) = 3 [pid 8196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8195] <... close resumed>) = 0 [pid 8187] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8196] <... mmap resumed>) = 0x7f8720789000 [pid 8187] <... futex resumed>) = 1 [pid 8184] <... futex resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 8184] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8195] symlink("/dev/binderfs", "./binderfs" [pid 8187] ftruncate(4, 33587195 [pid 8184] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = 0 [pid 5051] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8195] <... symlink resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8195] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8187] <... ftruncate resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./173/file0", [pid 8195] <... futex resumed>) = 0 [pid 8187] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./169/file0", [pid 8195] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8187] <... futex resumed>) = 1 [ 285.470314][ T29] audit: type=1800 audit(1698988430.224:1022): pid=8187 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8194] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8187] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8184] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5053] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... openat resumed>) = 4 [pid 8195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] newfstatat(4, "", [pid 8195] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... openat resumed>) = 4 [pid 5051] getdents64(4, [pid 8195] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] newfstatat(4, "", [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8195] <... mprotect resumed>) = 0 [pid 8184] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, [pid 5053] getdents64(4, [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8187] <... futex resumed>) = 0 [pid 8184] <... futex resumed>) = 1 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] close(4 [pid 8195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8187] creat("./bus", 040 [pid 5053] getdents64(4, [pid 5051] <... close resumed>) = 0 [pid 8184] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] rmdir("./173/file0" [pid 8187] <... creat resumed>) = 5 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 8187] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(4 [pid 8187] <... futex resumed>) = 1 [pid 8184] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5051] getdents64(3, [pid 8187] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8184] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8184] <... futex resumed>) = 0 [pid 5053] rmdir("./169/file0" [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8187] mkdirat(AT_FDCWD, "./file0", 000 [pid 8184] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8197 attached [pid 8195] <... clone3 resumed> => {parent_tid=[8197]}, 88) = 8197 [pid 8187] <... mkdirat resumed>) = 0 [pid 5053] getdents64(3, [pid 5051] close(3 [pid 8197] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8196] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8195] rt_sigprocmask(SIG_SETMASK, [], [pid 8187] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] <... rseq resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... close resumed>) = 0 [pid 8197] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] close(3 [pid 5051] rmdir("./173" [pid 8197] <... set_robust_list resumed>) = 0 [pid 8197] rt_sigprocmask(SIG_SETMASK, [], [pid 8195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 8197] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8195] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] mkdir("./174", 0777 [pid 8195] <... futex resumed>) = 0 [pid 8197] memfd_create("syzkaller", 0 [pid 8195] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 8197] <... memfd_create resumed>) = 3 [pid 8187] <... futex resumed>) = 1 [pid 8184] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8187] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8184] exit_group(0 [pid 5053] rmdir("./169" [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8197] <... mmap resumed>) = 0x7f8720789000 [pid 8187] <... futex resumed>) = ? [pid 8184] <... exit_group resumed>) = ? [pid 8187] +++ exited with 0 +++ [pid 8184] +++ exited with 0 +++ [pid 5053] <... rmdir resumed>) = 0 [pid 5051] close(3 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8184, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5054] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./167/binderfs") = 0 [pid 5054] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] mkdir("./170", 0777 [pid 5051] <... close resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 8198 attached ) = 3 [pid 8198] set_robust_list(0x55555656d6a0, 24 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8198 [pid 8198] <... set_robust_list resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8198] chdir("./174" [pid 5053] close(3 [pid 8198] <... chdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 8198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8198] <... prctl resumed>) = 0 [pid 8198] setpgid(0, 0 [pid 8197] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8198] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 8199 attached [pid 8198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8199] set_robust_list(0x55555656d6a0, 24 [pid 8198] <... openat resumed>) = 3 [pid 8199] <... set_robust_list resumed>) = 0 [pid 8199] chdir("./170") = 0 [pid 8198] write(3, "1000", 4 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8199 [pid 8199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8198] <... write resumed>) = 4 [pid 8199] <... prctl resumed>) = 0 [pid 8198] close(3 [pid 8199] setpgid(0, 0 [pid 8198] <... close resumed>) = 0 [pid 8199] <... setpgid resumed>) = 0 [pid 8198] symlink("/dev/binderfs", "./binderfs" [pid 8199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8198] <... symlink resumed>) = 0 [pid 8199] write(3, "1000", 4) = 4 [pid 8198] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8199] close(3 [pid 8198] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8199] <... close resumed>) = 0 [pid 8199] symlink("/dev/binderfs", "./binderfs" [pid 8198] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8199] <... symlink resumed>) = 0 [pid 8199] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8194] <... write resumed>) = 4194304 [pid 8199] <... futex resumed>) = 0 [pid 8194] munmap(0x7f8720789000, 138412032 [pid 8199] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8198] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8194] <... munmap resumed>) = 0 [pid 8199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8198] <... mmap resumed>) = 0x7f8728b89000 [pid 8199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8194] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8198] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8199] <... mmap resumed>) = 0x7f8728b89000 [pid 8199] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8194] <... openat resumed>) = 4 [pid 8199] <... mprotect resumed>) = 0 [pid 8194] ioctl(4, LOOP_SET_FD, 3 [pid 8199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8198] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8200]}, 88) = 8200 [pid 8198] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8198] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8201 attached [pid 8199] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8201] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8199] <... futex resumed>) = 0 [pid 8198] <... clone3 resumed> => {parent_tid=[8201]}, 88) = 8201 ./strace-static-x86_64: Process 8200 attached [pid 8201] <... rseq resumed>) = 0 [pid 8198] rt_sigprocmask(SIG_SETMASK, [], [pid 8196] <... write resumed>) = 4194304 [pid 8201] set_robust_list(0x7f8728ba99a0, 24 [pid 8200] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8199] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8200] <... rseq resumed>) = 0 [pid 8200] set_robust_list(0x7f8728ba99a0, 24 [pid 8198] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] <... set_robust_list resumed>) = 0 [pid 8198] <... futex resumed>) = 0 [pid 8201] <... set_robust_list resumed>) = 0 [pid 8200] rt_sigprocmask(SIG_SETMASK, [], [pid 8198] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8201] rt_sigprocmask(SIG_SETMASK, [], [pid 8200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8200] memfd_create("syzkaller", 0 [pid 8201] memfd_create("syzkaller", 0 [pid 8200] <... memfd_create resumed>) = 3 [pid 8200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8201] <... memfd_create resumed>) = 3 [pid 8200] <... mmap resumed>) = 0x7f8720789000 [pid 8201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8196] munmap(0x7f8720789000, 138412032 [pid 8194] <... ioctl resumed>) = 0 [pid 8194] close(3) = 0 [pid 8201] <... mmap resumed>) = 0x7f8720789000 [pid 8194] mkdir("./file0", 0777) = 0 [pid 8194] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8196] <... munmap resumed>) = 0 [pid 8196] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 285.702429][ T8194] loop1: detected capacity change from 0 to 8192 [pid 8201] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8196] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./167/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [ 285.760316][ T8194] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.785560][ T8196] loop5: detected capacity change from 0 to 8192 [ 285.793750][ T8194] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5054] close(3) = 0 [pid 5054] rmdir("./167" [pid 8200] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8197] <... write resumed>) = 4194304 [pid 8196] <... ioctl resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8197] munmap(0x7f8720789000, 138412032 [pid 8196] close(3 [pid 5054] mkdir("./168", 0777 [pid 8197] <... munmap resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 8196] <... close resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8196] mkdir("./file0", 0777 [pid 5054] <... openat resumed>) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8196] <... mkdir resumed>) = 0 [pid 5054] close(3 [pid 8196] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8197] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] <... close resumed>) = 0 [pid 8197] <... openat resumed>) = 4 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8197] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8204 [ 285.805069][ T8194] REISERFS (device loop1): using ordered data mode [ 285.812533][ T8194] reiserfs: using flush barriers [ 285.822502][ T8194] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.840537][ T8194] REISERFS (device loop1): checking transaction log (loop1) [ 285.849238][ T8194] REISERFS (device loop1): Using tea hash to sort names ./strace-static-x86_64: Process 8204 attached [pid 8204] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8204] chdir("./168") = 0 [pid 8204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8204] setpgid(0, 0) = 0 [pid 8204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8204] write(3, "1000", 4) = 4 [pid 8204] close(3) = 0 [pid 8204] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8204] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] <... ioctl resumed>) = 0 [pid 8197] close(3 [pid 8204] <... futex resumed>) = 0 [pid 8204] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8197] <... close resumed>) = 0 [pid 8204] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8197] mkdir("./file0", 0777) = 0 [pid 8204] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8197] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8204] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8204] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 285.877167][ T8197] loop4: detected capacity change from 0 to 8192 [ 285.889186][ T8196] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.890503][ T8194] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8204] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8201] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8206 attached [pid 8201] munmap(0x7f8720789000, 138412032 [pid 8194] <... mount resumed>) = 0 [pid 8194] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8204] <... clone3 resumed> => {parent_tid=[8206]}, 88) = 8206 [pid 8206] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8204] rt_sigprocmask(SIG_SETMASK, [], [pid 8201] <... munmap resumed>) = 0 [pid 8194] <... openat resumed>) = 3 [pid 8204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8204] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8201] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8194] chdir("./file0" [pid 8206] <... rseq resumed>) = 0 [pid 8194] <... chdir resumed>) = 0 [pid 8206] set_robust_list(0x7f8728ba99a0, 24 [pid 8201] <... openat resumed>) = 4 [pid 8206] <... set_robust_list resumed>) = 0 [pid 8194] ioctl(4, LOOP_CLR_FD [pid 8206] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8194] <... ioctl resumed>) = 0 [pid 8194] close(4 [ 285.937754][ T8196] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 285.945120][ T8197] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 285.948216][ T8196] REISERFS (device loop5): using ordered data mode [ 285.967963][ T8196] reiserfs: using flush barriers [pid 8206] memfd_create("syzkaller", 0) = 3 [pid 8204] <... futex resumed>) = 0 [pid 8201] ioctl(4, LOOP_SET_FD, 3 [pid 8200] <... write resumed>) = 4194304 [pid 8194] <... close resumed>) = 0 [ 285.983104][ T8197] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 285.983942][ T8196] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 285.993089][ T8197] REISERFS (device loop4): using ordered data mode [ 286.015634][ T8201] loop0: detected capacity change from 0 to 8192 [ 286.020396][ T8196] REISERFS (device loop5): checking transaction log (loop5) [ 286.023391][ T8197] reiserfs: using flush barriers [ 286.036711][ T8197] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.053658][ T8197] REISERFS (device loop4): checking transaction log (loop4) [ 286.061257][ T8200] loop2: detected capacity change from 0 to 8192 [ 286.073858][ T8196] REISERFS (device loop5): Using tea hash to sort names [pid 8194] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8204] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8201] <... ioctl resumed>) = 0 [pid 8200] munmap(0x7f8720789000, 138412032 [pid 8194] <... futex resumed>) = 1 [pid 8192] <... futex resumed>) = 0 [pid 8192] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8192] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8201] close(3) = 0 [pid 8201] mkdir("./file0", 0777) = 0 [pid 8201] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8200] <... munmap resumed>) = 0 [pid 8194] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8200] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8194] <... open resumed>) = 4 [pid 8200] <... openat resumed>) = 4 [pid 8194] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] ioctl(4, LOOP_SET_FD, 3 [pid 8194] <... futex resumed>) = 1 [pid 8192] <... futex resumed>) = 0 [pid 8194] ftruncate(4, 33587195 [pid 8192] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8206] <... mmap resumed>) = 0x7f8720789000 [pid 8192] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8194] <... ftruncate resumed>) = 0 [pid 8194] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8192] <... futex resumed>) = 0 [pid 8192] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8192] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8194] creat("./bus", 040 [pid 8200] <... ioctl resumed>) = 0 [pid 8194] <... creat resumed>) = 5 [pid 8200] close(3 [pid 8194] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] <... close resumed>) = 0 [pid 8194] <... futex resumed>) = 1 [pid 8192] <... futex resumed>) = 0 [pid 8200] mkdir("./file0", 0777 [pid 8194] mkdirat(AT_FDCWD, "./file0", 000 [pid 8192] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] <... mkdir resumed>) = 0 [pid 8194] <... mkdirat resumed>) = 0 [pid 8192] <... futex resumed>) = 0 [pid 8200] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8194] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8192] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8194] <... futex resumed>) = 0 [pid 8192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8194] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 286.074275][ T29] audit: type=1800 audit(1698988430.814:1023): pid=8194 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 286.102721][ T8197] REISERFS (device loop4): Using tea hash to sort names [ 286.110497][ T8201] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.115849][ T8196] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8192] exit_group(0 [pid 8194] <... futex resumed>) = ? [pid 8192] <... exit_group resumed>) = ? [pid 8194] +++ exited with 0 +++ [pid 8192] +++ exited with 0 +++ [pid 8197] <... mount resumed>) = 0 [pid 8196] <... mount resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8192, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5052] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5052] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8197] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8196] <... openat resumed>) = 3 [pid 5052] newfstatat(AT_FDCWD, "./171/binderfs", [pid 8197] <... openat resumed>) = 3 [pid 8196] chdir("./file0" [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./171/binderfs") = 0 [pid 5052] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 286.124433][ T8197] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 286.143550][ T8201] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 286.153723][ T8201] REISERFS (device loop0): using ordered data mode [ 286.161683][ T8201] reiserfs: using flush barriers [ 286.170005][ T8201] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8196] <... chdir resumed>) = 0 [pid 8197] chdir("./file0") = 0 [pid 8196] ioctl(4, LOOP_CLR_FD) = 0 [pid 8197] ioctl(4, LOOP_CLR_FD [pid 8196] close(4 [pid 8197] <... ioctl resumed>) = 0 [pid 8196] <... close resumed>) = 0 [pid 8197] close(4) = 0 [pid 8197] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8196] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] <... futex resumed>) = 1 [pid 8196] <... futex resumed>) = 1 [pid 8195] <... futex resumed>) = 0 [pid 8197] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8196] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8195] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8193] <... futex resumed>) = 0 [pid 8193] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8193] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8197] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8195] <... futex resumed>) = 0 [pid 8196] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8195] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8196] <... open resumed>) = 4 [ 286.171652][ T8200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 286.187301][ T8201] REISERFS (device loop0): checking transaction log (loop0) [pid 8196] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8193] <... futex resumed>) = 0 [pid 8193] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8197] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8193] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8206] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8197] <... futex resumed>) = 1 [pid 8195] <... futex resumed>) = 0 [pid 8197] ftruncate(4, 33587195 [pid 8195] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8196] <... futex resumed>) = 1 [pid 8195] <... futex resumed>) = 0 [pid 8196] ftruncate(4, 33587195 [pid 8195] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8196] <... ftruncate resumed>) = 0 [pid 8197] <... ftruncate resumed>) = 0 [pid 8196] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8193] <... futex resumed>) = 0 [pid 8196] creat("./bus", 040 [pid 8193] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8196] <... creat resumed>) = 5 [pid 8193] <... futex resumed>) = 0 [pid 8197] <... futex resumed>) = 1 [pid 8196] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8195] <... futex resumed>) = 0 [ 286.223262][ T29] audit: type=1800 audit(1698988430.974:1024): pid=8197 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 286.238436][ T8200] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 286.256669][ T8200] REISERFS (device loop2): using ordered data mode [ 286.263212][ T8200] reiserfs: using flush barriers [pid 8193] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] creat("./bus", 040 [pid 8196] <... futex resumed>) = 0 [pid 8195] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8193] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8197] <... creat resumed>) = 5 [pid 8196] mkdirat(AT_FDCWD, "./file0", 000 [pid 8193] <... futex resumed>) = 0 [pid 8193] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8196] <... mkdirat resumed>) = 0 [pid 8196] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8193] <... futex resumed>) = 0 [pid 8193] exit_group(0) = ? [pid 8196] <... futex resumed>) = ? [pid 8196] +++ exited with 0 +++ [pid 8195] <... futex resumed>) = 0 [pid 8193] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8193, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 8197] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 286.291074][ T8200] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5056] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8197] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8197] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8195] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... openat resumed>) = 3 [pid 8195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8195] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8195] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] newfstatat(3, "", [pid 8200] <... mount resumed>) = 0 [pid 8197] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8201] <... mount resumed>) = 0 [pid 8200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8197] <... mkdirat resumed>) = 0 [pid 5056] getdents64(3, [pid 8201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8200] <... openat resumed>) = 3 [pid 8197] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8201] <... openat resumed>) = 3 [pid 8200] chdir("./file0" [pid 8197] <... futex resumed>) = 1 [pid 8195] <... futex resumed>) = 0 [pid 5056] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8201] chdir("./file0" [pid 8200] <... chdir resumed>) = 0 [pid 8197] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8195] exit_group(0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8201] <... chdir resumed>) = 0 [pid 8200] ioctl(4, LOOP_CLR_FD [pid 8197] <... futex resumed>) = ? [pid 8195] <... exit_group resumed>) = ? [pid 5056] newfstatat(AT_FDCWD, "./170/binderfs", [pid 8201] ioctl(4, LOOP_CLR_FD [pid 8200] <... ioctl resumed>) = 0 [pid 8197] +++ exited with 0 +++ [pid 8195] +++ exited with 0 +++ [pid 5052] <... umount2 resumed>) = 0 [pid 8201] <... ioctl resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8206] <... write resumed>) = 4194304 [pid 8201] close(4 [pid 8200] close(4 [ 286.334018][ T8201] REISERFS (device loop0): Using tea hash to sort names [ 286.341538][ T8201] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 286.342399][ T8200] REISERFS (device loop2): checking transaction log (loop2) [ 286.359910][ T8200] REISERFS (device loop2): Using tea hash to sort names [ 286.367980][ T8200] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5056] unlink("./170/binderfs" [pid 5052] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8206] munmap(0x7f8720789000, 138412032 [pid 8201] <... close resumed>) = 0 [pid 8200] <... close resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8195, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5055] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... openat resumed>) = 3 [pid 8206] <... munmap resumed>) = 0 [pid 8201] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] newfstatat(3, "", [pid 5052] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8201] <... futex resumed>) = 1 [pid 8200] <... futex resumed>) = 1 [pid 8199] <... futex resumed>) = 0 [pid 8198] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8200] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8198] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 4 [pid 8201] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8199] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] <... futex resumed>) = 0 [pid 8201] <... open resumed>) = 4 [pid 5055] getdents64(3, [pid 5052] newfstatat(4, "", [pid 8199] <... futex resumed>) = 1 [pid 8206] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8200] <... futex resumed>) = 0 [pid 8199] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8198] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8206] <... openat resumed>) = 4 [pid 8200] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5055] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8206] ioctl(4, LOOP_SET_FD, 3 [pid 8201] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] <... open resumed>) = 4 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] getdents64(4, [pid 8206] <... ioctl resumed>) = 0 [pid 8201] <... futex resumed>) = 1 [pid 8198] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] newfstatat(AT_FDCWD, "./168/binderfs", [pid 8200] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] getdents64(4, [pid 5055] unlink("./168/binderfs" [pid 8201] ftruncate(4, 33587195 [pid 8200] <... futex resumed>) = 1 [pid 8199] <... futex resumed>) = 0 [pid 8198] <... futex resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8200] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8199] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(4 [pid 8200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8199] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8199] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8200] ftruncate(4, 33587195 [pid 5052] rmdir("./171/file0" [pid 8201] <... ftruncate resumed>) = 0 [pid 8200] <... ftruncate resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8200] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 8200] <... futex resumed>) = 1 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8201] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] close(3 [pid 8199] <... futex resumed>) = 0 [pid 8201] <... futex resumed>) = 1 [pid 8200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8199] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8198] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8200] creat("./bus", 040 [pid 8198] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8199] <... futex resumed>) = 0 [pid 8200] <... creat resumed>) = 5 [pid 8199] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8198] <... futex resumed>) = 0 [pid 5052] rmdir("./171" [pid 8198] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8201] creat("./bus", 040 [pid 5052] <... rmdir resumed>) = 0 [pid 5052] mkdir("./172", 0777 [pid 8206] close(3 [pid 5052] <... mkdir resumed>) = 0 [pid 8206] <... close resumed>) = 0 [pid 8201] <... creat resumed>) = 5 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8206] mkdir("./file0", 0777) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8200] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8200] <... futex resumed>) = 1 [pid 8199] <... futex resumed>) = 0 [pid 8199] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8199] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8206] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8201] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] mkdirat(AT_FDCWD, "./file0", 000 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8201] <... futex resumed>) = 1 [pid 8200] <... mkdirat resumed>) = 0 [pid 8198] <... futex resumed>) = 0 [pid 8198] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8198] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] close(3 [pid 8201] mkdirat(AT_FDCWD, "./file0", 000 [pid 8200] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... close resumed>) = 0 [pid 8201] <... mkdirat resumed>) = 0 [pid 8200] <... futex resumed>) = 1 [ 286.465196][ T8206] loop3: detected capacity change from 0 to 8192 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8201] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8200] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8199] <... futex resumed>) = 0 [pid 8201] <... futex resumed>) = 1 [pid 8198] <... futex resumed>) = 0 [pid 8199] exit_group(0 [pid 8198] exit_group(0 [pid 8199] <... exit_group resumed>) = ? [pid 8201] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8200] <... futex resumed>) = ? [pid 8201] <... futex resumed>) = ? [pid 8200] +++ exited with 0 +++ [pid 8199] +++ exited with 0 +++ [pid 8198] <... exit_group resumed>) = ? [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8210 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8199, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5053] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, ./strace-static-x86_64: Process 8210 attached [pid 8201] +++ exited with 0 +++ [pid 8198] +++ exited with 0 +++ [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8210] set_robust_list(0x55555656d6a0, 24 [pid 5053] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8198, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8210] <... set_robust_list resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8210] chdir("./172" [pid 5053] newfstatat(AT_FDCWD, "./170/binderfs", [pid 8210] <... chdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] unlink("./170/binderfs" [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8210] <... prctl resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8210] setpgid(0, 0 [pid 5053] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 8210] <... setpgid resumed>) = 0 [pid 5051] newfstatat(3, "", [pid 8210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8210] <... openat resumed>) = 3 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8210] write(3, "1000", 4 [pid 5051] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8210] <... write resumed>) = 4 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./174/binderfs" [pid 8210] close(3 [pid 5051] <... unlink resumed>) = 0 [pid 8210] <... close resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5051] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8210] symlink("/dev/binderfs", "./binderfs" [pid 5055] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8210] <... symlink resumed>) = 0 [pid 8210] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8210] <... futex resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./168/file0", [pid 8210] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8210] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8210] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 286.548421][ T8206] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 5055] <... openat resumed>) = 4 [pid 8210] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] newfstatat(4, "", [pid 8210] <... mprotect resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8210] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5055] getdents64(4, [pid 8210] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8210] <... clone3 resumed> => {parent_tid=[8211]}, 88) = 8211 [pid 5055] getdents64(4, ./strace-static-x86_64: Process 8211 attached [pid 8210] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... umount2 resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] close(4) = 0 [pid 8210] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] rmdir("./168/file0" [pid 8211] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5055] <... rmdir resumed>) = 0 [pid 8211] <... rseq resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./170/file0", [pid 5055] getdents64(3, [pid 8211] set_robust_list(0x7f8728ba99a0, 24 [pid 8210] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8211] <... set_robust_list resumed>) = 0 [pid 8210] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] close(3 [pid 8211] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] rmdir("./168" [pid 8211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8211] memfd_create("syzkaller", 0 [pid 5056] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8211] <... memfd_create resumed>) = 3 [pid 5056] <... openat resumed>) = 4 [pid 5055] mkdir("./169", 0777 [pid 8211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5056] newfstatat(4, "", [pid 5055] <... mkdir resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5056] rmdir("./170/file0") = 0 [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [ 286.615987][ T8206] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 286.653046][ T8206] REISERFS (device loop3): using ordered data mode [ 286.659731][ T8206] reiserfs: using flush barriers [pid 5055] close(3 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./170" [pid 5055] <... close resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] mkdir("./171", 0777./strace-static-x86_64: Process 8212 attached ) = 0 [pid 8212] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8212] chdir("./169" [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8212] <... chdir resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5056] close(3 [pid 8212] <... prctl resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 8212] setpgid(0, 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8212] <... setpgid resumed>) = 0 [pid 8212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 8213 attached [pid 8213] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8213] chdir("./171" [pid 8212] <... openat resumed>) = 3 [pid 8213] <... chdir resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8212 [pid 8213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8212] write(3, "1000", 4 [pid 8213] <... prctl resumed>) = 0 [pid 8212] <... write resumed>) = 4 [pid 8212] close(3 [pid 8213] setpgid(0, 0 [pid 8212] <... close resumed>) = 0 [pid 8213] <... setpgid resumed>) = 0 [pid 8212] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8213 [pid 8213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8212] <... symlink resumed>) = 0 [pid 8213] <... openat resumed>) = 3 [pid 8212] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8213] write(3, "1000", 4 [pid 8212] <... futex resumed>) = 0 [pid 8213] <... write resumed>) = 4 [pid 8212] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8213] close(3 [pid 8212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8213] <... close resumed>) = 0 [pid 8212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8213] symlink("/dev/binderfs", "./binderfs" [pid 8212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8213] <... symlink resumed>) = 0 [pid 8212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8213] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8213] <... futex resumed>) = 0 [pid 8212] <... mprotect resumed>) = 0 [pid 8213] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8213] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8213] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8213] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 286.668737][ T8206] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 286.690099][ T8206] REISERFS (device loop3): checking transaction log (loop3) [pid 8213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8212] <... clone3 resumed> => {parent_tid=[8214]}, 88) = 8214 [pid 8213] <... mmap resumed>) = 0x7f8728b89000 [pid 8212] rt_sigprocmask(SIG_SETMASK, [], [pid 8213] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8213] <... mprotect resumed>) = 0 [pid 8212] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8213] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8212] <... futex resumed>) = 0 [pid 8213] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8212] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8213] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8214 attached [pid 8214] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8214] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8214] memfd_create("syzkaller", 0) = 3 [pid 8214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 ./strace-static-x86_64: Process 8215 attached [pid 8211] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8215] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8215] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8213] <... clone3 resumed> => {parent_tid=[8215]}, 88) = 8215 [pid 8213] rt_sigprocmask(SIG_SETMASK, [], [pid 8215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8215] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8213] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8213] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8215] memfd_create("syzkaller", 0) = 3 [pid 8215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... umount2 resumed>) = 0 [pid 8215] <... mmap resumed>) = 0x7f8720789000 [pid 8206] <... mount resumed>) = 0 [pid 8214] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./170/file0", [pid 5051] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 286.739187][ T8206] REISERFS (device loop3): Using tea hash to sort names [ 286.775306][ T8206] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8206] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./174/file0", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8206] <... openat resumed>) = 3 [pid 5053] <... openat resumed>) = 4 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(4, "", [pid 5051] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8206] chdir("./file0" [pid 5051] <... openat resumed>) = 4 [pid 8206] <... chdir resumed>) = 0 [pid 5053] getdents64(4, [pid 5051] newfstatat(4, "", [pid 8206] ioctl(4, LOOP_CLR_FD [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8206] <... ioctl resumed>) = 0 [pid 5053] getdents64(4, [pid 5051] getdents64(4, [pid 8206] close(4 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8206] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8206] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(4, [pid 8206] <... futex resumed>) = 1 [pid 8204] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8206] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8204] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(4 [pid 5051] close(4 [pid 8206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8204] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 8206] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8204] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] rmdir("./170/file0" [pid 5051] rmdir("./174/file0" [pid 8206] <... open resumed>) = 4 [pid 8206] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8204] <... futex resumed>) = 0 [pid 8206] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8204] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... rmdir resumed>) = 0 [pid 8206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8206] ftruncate(4, 33587195 [pid 8204] <... futex resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 8206] <... ftruncate resumed>) = 0 [pid 8204] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8206] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8206] <... futex resumed>) = 0 [pid 8204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8206] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8204] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8204] <... futex resumed>) = 0 [pid 8206] creat("./bus", 040 [pid 8204] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8215] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8206] <... creat resumed>) = 5 [pid 5053] getdents64(3, [pid 5051] close(3) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] rmdir("./174") = 0 [pid 8211] <... write resumed>) = 4194304 [pid 8206] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(3 [pid 5051] mkdir("./175", 0777 [pid 5053] <... close resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 8206] <... futex resumed>) = 1 [pid 8204] <... futex resumed>) = 0 [pid 5053] rmdir("./170") = 0 [pid 8204] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] mkdir("./171", 0777 [pid 8206] mkdirat(AT_FDCWD, "./file0", 000 [pid 8204] <... futex resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8206] <... mkdirat resumed>) = 0 [pid 8204] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8206] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... openat resumed>) = 3 [pid 5053] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8206] <... futex resumed>) = 1 [pid 8204] <... futex resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 8206] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8204] exit_group(0 [pid 5053] close(3 [pid 8211] munmap(0x7f8720789000, 138412032 [pid 8206] <... futex resumed>) = ? [pid 8204] <... exit_group resumed>) = ? [pid 5053] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 8211] <... munmap resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8211] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8211] <... openat resumed>) = 4 [pid 8211] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8216 attached [pid 8206] +++ exited with 0 +++ [pid 8204] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8204, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 8216] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8216] chdir("./171" [pid 5054] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8216] <... chdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... openat resumed>) = 3 [pid 8216] <... prctl resumed>) = 0 [pid 5054] newfstatat(3, "", [pid 8216] setpgid(0, 0) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8216 [pid 8216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 8217 attached [pid 8216] write(3, "1000", 4 [pid 5054] getdents64(3, [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8217 [pid 8217] set_robust_list(0x55555656d6a0, 24 [pid 8216] <... write resumed>) = 4 [pid 8217] <... set_robust_list resumed>) = 0 [pid 8216] close(3 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8217] chdir("./175" [pid 8216] <... close resumed>) = 0 [pid 8217] <... chdir resumed>) = 0 [pid 8216] symlink("/dev/binderfs", "./binderfs" [pid 8214] <... write resumed>) = 4194304 [pid 8216] <... symlink resumed>) = 0 [pid 8214] munmap(0x7f8720789000, 138412032 [pid 8217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8216] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] <... write resumed>) = 4194304 [pid 8214] <... munmap resumed>) = 0 [pid 8211] <... ioctl resumed>) = 0 [pid 5054] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8217] <... prctl resumed>) = 0 [pid 8216] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8215] munmap(0x7f8720789000, 138412032 [pid 8217] setpgid(0, 0 [pid 8216] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8217] <... setpgid resumed>) = 0 [pid 8216] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8211] close(3 [pid 5054] newfstatat(AT_FDCWD, "./168/binderfs", [pid 8216] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8214] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8211] <... close resumed>) = 0 [pid 8217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8211] mkdir("./file0", 0777 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8217] <... openat resumed>) = 3 [pid 8216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8215] <... munmap resumed>) = 0 [pid 8214] <... openat resumed>) = 4 [pid 8211] <... mkdir resumed>) = 0 [pid 5054] unlink("./168/binderfs" [pid 8217] write(3, "1000", 4 [pid 8216] <... mmap resumed>) = 0x7f8728b89000 [pid 8215] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8214] ioctl(4, LOOP_SET_FD, 3 [pid 8217] <... write resumed>) = 4 [ 286.938508][ T8211] loop1: detected capacity change from 0 to 8192 [pid 8216] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8215] <... openat resumed>) = 4 [pid 8211] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... unlink resumed>) = 0 [pid 8217] close(3 [pid 8216] <... mprotect resumed>) = 0 [pid 8215] ioctl(4, LOOP_SET_FD, 3 [pid 8217] <... close resumed>) = 0 [pid 8216] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8214] <... ioctl resumed>) = 0 [pid 5054] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8217] symlink("/dev/binderfs", "./binderfs" [pid 8214] close(3 [pid 8217] <... symlink resumed>) = 0 [pid 8216] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8214] <... close resumed>) = 0 [pid 8214] mkdir("./file0", 0777 [pid 8217] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8216] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8215] <... ioctl resumed>) = 0 [pid 8214] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8219 attached [pid 8217] <... futex resumed>) = 0 [pid 8215] close(3 [pid 8214] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8219] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8217] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8219] <... rseq resumed>) = 0 [pid 8217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8215] <... close resumed>) = 0 [pid 8217] <... mmap resumed>) = 0x7f8728b89000 [pid 8216] <... clone3 resumed> => {parent_tid=[8219]}, 88) = 8219 [pid 8215] mkdir("./file0", 0777 [pid 8219] set_robust_list(0x7f8728ba99a0, 24 [pid 8216] rt_sigprocmask(SIG_SETMASK, [], [pid 8215] <... mkdir resumed>) = 0 [pid 8219] <... set_robust_list resumed>) = 0 [pid 8216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8219] rt_sigprocmask(SIG_SETMASK, [], [pid 8216] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 286.987315][ T8214] loop4: detected capacity change from 0 to 8192 [ 286.989036][ T8215] loop5: detected capacity change from 0 to 8192 [ 287.000946][ T8211] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.014223][ T8211] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 287.025210][ T8211] REISERFS (device loop1): using ordered data mode [ 287.031748][ T8211] reiserfs: using flush barriers [pid 8219] memfd_create("syzkaller", 0 [pid 8217] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8216] <... futex resumed>) = 0 [pid 8215] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8219] <... memfd_create resumed>) = 3 [pid 8216] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8217] <... mprotect resumed>) = 0 [pid 8217] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8222]}, 88) = 8222 [pid 8217] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8217] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8217] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8222 attached [pid 8222] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8222] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8222] memfd_create("syzkaller", 0) = 3 [pid 8222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 287.048425][ T8214] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.071927][ T8215] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.085186][ T8214] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 287.085225][ T8211] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.114103][ T8214] REISERFS (device loop4): using ordered data mode [ 287.134141][ T8215] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 8219] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./168/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8219] <... write resumed>) = 4194304 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8219] munmap(0x7f8720789000, 138412032 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8219] <... munmap resumed>) = 0 [pid 5054] getdents64(4, [pid 8219] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [ 287.143383][ T8215] REISERFS (device loop5): using ordered data mode [ 287.152125][ T8214] reiserfs: using flush barriers [ 287.163224][ T8211] REISERFS (device loop1): checking transaction log (loop1) [ 287.173903][ T8211] REISERFS (device loop1): Using tea hash to sort names [ 287.181685][ T8211] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] rmdir("./168/file0" [pid 8219] <... openat resumed>) = 4 [pid 8211] <... mount resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8222] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8219] ioctl(4, LOOP_SET_FD, 3 [pid 8211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] close(3) = 0 [pid 5054] rmdir("./168") = 0 [pid 5054] mkdir("./169", 0777) = 0 [pid 8219] <... ioctl resumed>) = 0 [pid 8211] <... openat resumed>) = 3 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8223 ./strace-static-x86_64: Process 8223 attached [pid 8223] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8223] chdir("./169") = 0 [pid 8219] close(3 [pid 8211] chdir("./file0" [pid 8219] <... close resumed>) = 0 [pid 8211] <... chdir resumed>) = 0 [pid 8219] mkdir("./file0", 0777 [pid 8211] ioctl(4, LOOP_CLR_FD [pid 8219] <... mkdir resumed>) = 0 [pid 8219] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8211] <... ioctl resumed>) = 0 [pid 8223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8211] close(4 [pid 8223] <... prctl resumed>) = 0 [pid 8211] <... close resumed>) = 0 [pid 8223] setpgid(0, 0) = 0 [pid 8223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8223] write(3, "1000", 4) = 4 [pid 8223] close(3) = 0 [pid 8223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8211] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8210] <... futex resumed>) = 0 [pid 8211] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8210] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8210] <... futex resumed>) = 0 [pid 8223] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8223] <... futex resumed>) = 0 [pid 8211] <... open resumed>) = 4 [pid 8223] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [ 287.182178][ T8214] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.191469][ T8215] reiserfs: using flush barriers [ 287.212721][ T8219] loop2: detected capacity change from 0 to 8192 [ 287.221259][ T8215] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8211] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8211] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8210] <... futex resumed>) = 0 [pid 8223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8210] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] <... mmap resumed>) = 0x7f8728b89000 [pid 8223] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [ 287.272730][ T8214] REISERFS (device loop4): checking transaction log (loop4) [ 287.275987][ T8219] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.284830][ T8215] REISERFS (device loop5): checking transaction log (loop5) [ 287.293497][ T8219] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 287.310543][ T8219] REISERFS (device loop2): using ordered data mode [ 287.317280][ T8219] reiserfs: using flush barriers [pid 8223] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8211] <... futex resumed>) = 0 [pid 8210] <... futex resumed>) = 1 [pid 8223] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8211] ftruncate(4, 33587195 [pid 8210] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8225]}, 88) = 8225 [ 287.324315][ T8219] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.325208][ T8214] REISERFS (device loop4): Using tea hash to sort names [ 287.348246][ T8214] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 287.351328][ T8215] REISERFS (device loop5): Using tea hash to sort names [ 287.358392][ T8219] REISERFS (device loop2): checking transaction log (loop2) ./strace-static-x86_64: Process 8225 attached [pid 8223] rt_sigprocmask(SIG_SETMASK, [], [pid 8214] <... mount resumed>) = 0 [pid 8211] <... ftruncate resumed>) = 0 [pid 8223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8211] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8223] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] <... futex resumed>) = 1 [pid 8210] <... futex resumed>) = 0 [pid 8223] <... futex resumed>) = 0 [pid 8214] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8211] creat("./bus", 040 [pid 8210] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8223] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8214] <... openat resumed>) = 3 [pid 8211] <... creat resumed>) = 5 [pid 8210] <... futex resumed>) = 0 [pid 8225] <... rseq resumed>) = 0 [pid 8219] <... mount resumed>) = 0 [pid 8214] chdir("./file0" [pid 8211] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8210] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8225] set_robust_list(0x7f8728ba99a0, 24 [pid 8211] <... futex resumed>) = 0 [pid 8210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8225] <... set_robust_list resumed>) = 0 [pid 8211] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8210] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] rt_sigprocmask(SIG_SETMASK, [], [pid 8211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8210] <... futex resumed>) = 0 [pid 8225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8211] mkdirat(AT_FDCWD, "./file0", 000 [pid 8210] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8225] memfd_create("syzkaller", 0 [pid 8211] <... mkdirat resumed>) = 0 [pid 8225] <... memfd_create resumed>) = 3 [pid 8219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8214] <... chdir resumed>) = 0 [pid 8215] <... mount resumed>) = 0 [pid 8211] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8219] <... openat resumed>) = 3 [pid 8214] ioctl(4, LOOP_CLR_FD [pid 8211] <... futex resumed>) = 1 [pid 8210] <... futex resumed>) = 0 [pid 8225] <... mmap resumed>) = 0x7f8720789000 [pid 8219] chdir("./file0" [pid 8215] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8214] <... ioctl resumed>) = 0 [pid 8211] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8210] exit_group(0 [pid 8222] <... write resumed>) = 4194304 [pid 8219] <... chdir resumed>) = 0 [pid 8215] <... openat resumed>) = 3 [pid 8214] close(4 [pid 8211] <... futex resumed>) = ? [pid 8210] <... exit_group resumed>) = ? [pid 8222] munmap(0x7f8720789000, 138412032 [pid 8219] ioctl(4, LOOP_CLR_FD [pid 8215] chdir("./file0" [pid 8214] <... close resumed>) = 0 [pid 8222] <... munmap resumed>) = 0 [pid 8219] <... ioctl resumed>) = 0 [pid 8215] <... chdir resumed>) = 0 [pid 8214] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] close(4 [pid 8214] <... futex resumed>) = 1 [pid 8219] <... close resumed>) = 0 [pid 8214] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8219] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8216] <... futex resumed>) = 0 [pid 8219] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8216] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8216] <... futex resumed>) = 0 [pid 8215] ioctl(4, LOOP_CLR_FD [pid 8212] <... futex resumed>) = 0 [pid 8219] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8216] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8215] <... ioctl resumed>) = 0 [pid 8212] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8211] +++ exited with 0 +++ [pid 8210] +++ exited with 0 +++ [pid 8222] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8219] <... open resumed>) = 4 [pid 8215] close(4 [pid 8214] <... futex resumed>) = 0 [pid 8212] <... futex resumed>) = 1 [pid 8222] <... openat resumed>) = 4 [pid 8219] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] <... close resumed>) = 0 [pid 8214] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8212] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8210, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 8222] ioctl(4, LOOP_SET_FD, 3 [pid 8219] <... futex resumed>) = 1 [pid 8216] <... futex resumed>) = 0 [pid 8215] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] restart_syscall(<... resuming interrupted clone ...> [ 287.372857][ T8219] REISERFS (device loop2): Using tea hash to sort names [ 287.380501][ T8219] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 287.390979][ T8215] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8216] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8219] ftruncate(4, 33587195 [pid 8216] <... futex resumed>) = 0 [pid 8215] <... futex resumed>) = 1 [pid 8214] <... open resumed>) = 4 [pid 8213] <... futex resumed>) = 0 [pid 5052] <... restart_syscall resumed>) = 0 [pid 8216] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8213] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8225] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8222] <... ioctl resumed>) = 0 [pid 8219] <... ftruncate resumed>) = 0 [pid 8215] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8214] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8213] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8222] close(3 [pid 8219] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8216] <... futex resumed>) = 0 [pid 8222] <... close resumed>) = 0 [pid 8219] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8216] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] <... open resumed>) = 4 [pid 8214] <... futex resumed>) = 1 [pid 8212] <... futex resumed>) = 0 [pid 5052] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8222] mkdir("./file0", 0777 [pid 8219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8216] <... futex resumed>) = 0 [pid 8215] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8214] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8222] <... mkdir resumed>) = 0 [pid 8219] creat("./bus", 040 [pid 8216] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8215] <... futex resumed>) = 1 [pid 8214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8213] <... futex resumed>) = 0 [pid 8212] <... futex resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8222] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8219] <... creat resumed>) = 5 [pid 8215] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8214] ftruncate(4, 33587195 [pid 8213] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8219] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 3 [pid 8219] <... futex resumed>) = 1 [pid 8213] <... futex resumed>) = 0 [pid 8219] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] newfstatat(3, "", [pid 8213] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8216] <... futex resumed>) = 0 [pid 8215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8216] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] ftruncate(4, 33587195 [pid 8219] <... futex resumed>) = 0 [pid 8216] <... futex resumed>) = 1 [pid 5052] getdents64(3, [pid 8219] mkdirat(AT_FDCWD, "./file0", 000 [pid 8216] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8219] <... mkdirat resumed>) = 0 [pid 8215] <... ftruncate resumed>) = 0 [pid 8214] <... ftruncate resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8219] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8215] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8219] <... futex resumed>) = 1 [pid 8216] <... futex resumed>) = 0 [pid 8215] <... futex resumed>) = 1 [pid 8214] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 287.434349][ T8222] loop0: detected capacity change from 0 to 8192 [pid 8213] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8219] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8216] exit_group(0 [pid 8215] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8214] <... futex resumed>) = 1 [pid 8213] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] <... futex resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./172/binderfs", [pid 8215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8213] <... futex resumed>) = 0 [pid 8213] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8219] <... futex resumed>) = ? [pid 8216] <... exit_group resumed>) = ? [pid 8212] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] <... write resumed>) = 4194304 [pid 8219] +++ exited with 0 +++ [pid 8216] +++ exited with 0 +++ [pid 8215] creat("./bus", 040 [pid 8214] creat("./bus", 040 [pid 8212] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8212] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8216, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 8215] <... creat resumed>) = 5 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 5052] unlink("./172/binderfs" [pid 8214] <... creat resumed>) = 5 [pid 8225] munmap(0x7f8720789000, 138412032 [pid 8215] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... restart_syscall resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [ 287.486783][ T8222] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.512144][ T8222] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 287.529320][ T8222] REISERFS (device loop0): using ordered data mode [pid 5052] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8225] <... munmap resumed>) = 0 [pid 8215] <... futex resumed>) = 1 [pid 8214] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8213] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8225] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8215] mkdirat(AT_FDCWD, "./file0", 000 [pid 8214] <... futex resumed>) = 1 [pid 8213] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8212] <... futex resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 8225] <... openat resumed>) = 4 [pid 8214] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8213] <... futex resumed>) = 0 [pid 8212] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(3, "", [pid 8225] ioctl(4, LOOP_SET_FD, 3 [pid 8215] <... mkdirat resumed>) = 0 [pid 8214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8213] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8212] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8214] mkdirat(AT_FDCWD, "./file0", 000 [pid 8212] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8214] <... mkdirat resumed>) = 0 [pid 8225] <... ioctl resumed>) = 0 [pid 8215] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(3, [pid 8214] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8215] <... futex resumed>) = 1 [pid 8225] close(3 [pid 8214] <... futex resumed>) = 1 [pid 8213] <... futex resumed>) = 0 [pid 8215] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8212] <... futex resumed>) = 0 [pid 5053] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8225] <... close resumed>) = 0 [pid 8214] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8213] exit_group(0 [pid 8212] exit_group(0 [pid 8225] mkdir("./file0", 0777 [pid 8212] <... exit_group resumed>) = ? [ 287.540197][ T8222] reiserfs: using flush barriers [ 287.548250][ T8225] loop3: detected capacity change from 0 to 8192 [ 287.556950][ T8222] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 287.575008][ T8222] REISERFS (device loop0): checking transaction log (loop0) [pid 8225] <... mkdir resumed>) = 0 [pid 8215] <... futex resumed>) = ? [pid 8214] <... futex resumed>) = ? [pid 8213] <... exit_group resumed>) = ? [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8225] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8215] +++ exited with 0 +++ [pid 8214] +++ exited with 0 +++ [pid 8212] +++ exited with 0 +++ [pid 5053] newfstatat(AT_FDCWD, "./171/binderfs", [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8212, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8213] +++ exited with 0 +++ [pid 5055] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] unlink("./171/binderfs" [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8213, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... unlink resumed>) = 0 [pid 5053] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 3 [pid 5056] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [ 287.588417][ T8222] REISERFS (device loop0): Using tea hash to sort names [pid 5055] newfstatat(3, "", [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] getdents64(3, [pid 5056] <... openat resumed>) = 3 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] newfstatat(3, "", [pid 5055] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] getdents64(3, [pid 5055] newfstatat(AT_FDCWD, "./169/binderfs", [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] unlink("./169/binderfs" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... unlink resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./171/binderfs", [pid 5055] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./171/binderfs") = 0 [ 287.611109][ T8225] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 287.649600][ T8225] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5056] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5052] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(4, "", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./171/file0", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 287.655763][ T8222] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 287.667185][ T8225] REISERFS (device loop3): using ordered data mode [ 287.688373][ T8225] reiserfs: using flush barriers [pid 5056] <... umount2 resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] getdents64(4, [pid 5053] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] getdents64(4, [pid 5053] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8222] <... mount resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... openat resumed>) = 4 [pid 5052] close(4 [pid 8222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] newfstatat(AT_FDCWD, "./171/file0", [pid 5053] newfstatat(4, "", [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... close resumed>) = 0 [pid 5056] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8222] <... openat resumed>) = 3 [pid 5056] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] getdents64(4, [pid 5052] rmdir("./172/file0" [pid 8222] chdir("./file0" [pid 5056] <... openat resumed>) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 8222] <... chdir resumed>) = 0 [pid 5056] getdents64(4, [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... rmdir resumed>) = 0 [pid 5053] getdents64(4, [pid 5052] getdents64(3, [pid 8222] ioctl(4, LOOP_CLR_FD [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8222] <... ioctl resumed>) = 0 [pid 5052] close(3 [pid 5053] <... close resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5053] rmdir("./171/file0" [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 8222] close(4 [pid 5056] rmdir("./171/file0" [pid 5053] getdents64(3, [pid 5052] rmdir("./172" [pid 8222] <... close resumed>) = 0 [pid 8222] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 8222] <... futex resumed>) = 1 [pid 8217] <... futex resumed>) = 0 [pid 8222] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8217] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [ 287.714158][ T8225] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5056] rmdir("./171" [pid 8217] <... futex resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5053] close(3 [pid 5056] mkdir("./172", 0777 [pid 8222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8217] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... mkdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8222] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5053] rmdir("./171" [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 8222] <... open resumed>) = 4 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5053] <... rmdir resumed>) = 0 [pid 5052] mkdir("./173", 0777 [pid 8222] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] mkdir("./172", 0777 [pid 5052] <... mkdir resumed>) = 0 [pid 8222] <... futex resumed>) = 1 [pid 8217] <... futex resumed>) = 0 [pid 5056] close(3) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 8222] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8217] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8217] <... futex resumed>) = 0 [ 287.804278][ T8225] REISERFS (device loop3): checking transaction log (loop3) ./strace-static-x86_64: Process 8228 attached [pid 8222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8217] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] <... openat resumed>) = 3 [pid 8228] set_robust_list(0x55555656d6a0, 24 [pid 8222] ftruncate(4, 33587195 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8228 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8228] <... set_robust_list resumed>) = 0 [pid 5053] close(3 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5053] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8222] <... ftruncate resumed>) = 0 [pid 5052] close(3) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8229 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8229 attached [pid 8228] chdir("./172" [pid 8222] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] set_robust_list(0x55555656d6a0, 24 [pid 8228] <... chdir resumed>) = 0 [pid 8229] <... set_robust_list resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8230 [pid 8229] chdir("./172"./strace-static-x86_64: Process 8230 attached [pid 8230] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8230] chdir("./173" [pid 8229] <... chdir resumed>) = 0 [pid 8228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8222] <... futex resumed>) = 1 [pid 8217] <... futex resumed>) = 0 [pid 8217] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8230] <... chdir resumed>) = 0 [pid 8217] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8230] setpgid(0, 0 [pid 5055] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8228] <... prctl resumed>) = 0 [pid 8222] creat("./bus", 040 [pid 8230] <... setpgid resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] newfstatat(AT_FDCWD, "./169/file0", [pid 8230] <... openat resumed>) = 3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8230] write(3, "1000", 4 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8230] <... write resumed>) = 4 [pid 5055] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8230] close(3 [pid 5055] <... openat resumed>) = 4 [pid 8230] <... close resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 8230] symlink("/dev/binderfs", "./binderfs" [pid 8222] <... creat resumed>) = 5 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8230] <... symlink resumed>) = 0 [pid 8229] <... prctl resumed>) = 0 [pid 8228] setpgid(0, 0 [pid 5055] getdents64(4, [pid 8230] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8230] <... futex resumed>) = 0 [pid 8229] setpgid(0, 0 [pid 8228] <... setpgid resumed>) = 0 [pid 8222] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 8222] <... futex resumed>) = 1 [pid 8217] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8229] <... setpgid resumed>) = 0 [pid 8222] mkdirat(AT_FDCWD, "./file0", 000 [pid 8217] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8228] <... openat resumed>) = 3 [pid 8222] <... mkdirat resumed>) = 0 [pid 8217] <... futex resumed>) = 0 [pid 5055] close(4 [pid 8217] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8229] <... openat resumed>) = 3 [pid 8228] write(3, "1000", 4 [pid 8229] write(3, "1000", 4 [pid 8222] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8229] <... write resumed>) = 4 [pid 8228] <... write resumed>) = 4 [pid 8222] <... futex resumed>) = 1 [pid 8217] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8228] close(3 [pid 8217] exit_group(0 [pid 8222] ???( [pid 8230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8229] close(3 [pid 8228] <... close resumed>) = 0 [pid 8217] <... exit_group resumed>) = ? [pid 5055] rmdir("./169/file0" [pid 8222] <... ??? resumed>) = ? [pid 8230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8228] symlink("/dev/binderfs", "./binderfs" [pid 8222] +++ exited with 0 +++ [pid 5055] <... rmdir resumed>) = 0 [pid 8230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] getdents64(3, [pid 8230] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8230] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8228] <... symlink resumed>) = 0 [pid 5055] close(3 [pid 8230] <... mprotect resumed>) = 0 [pid 8230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8229] <... close resumed>) = 0 [pid 8228] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 8230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8229] symlink("/dev/binderfs", "./binderfs" [pid 8228] <... futex resumed>) = 0 [pid 5055] rmdir("./169" [pid 8230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8229] <... symlink resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8231 attached [pid 8228] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8225] <... mount resumed>) = 0 [pid 8217] +++ exited with 0 +++ [pid 5055] mkdir("./170", 0777 [pid 8229] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8230] <... clone3 resumed> => {parent_tid=[8231]}, 88) = 8231 [pid 8229] <... futex resumed>) = 0 [pid 8228] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 8231] <... rseq resumed>) = 0 [pid 8230] rt_sigprocmask(SIG_SETMASK, [], [ 287.845072][ T8225] REISERFS (device loop3): Using tea hash to sort names [ 287.874961][ T8225] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8229] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8228] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8217, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 8231] set_robust_list(0x7f8728ba99a0, 24 [pid 8230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8225] <... openat resumed>) = 3 [pid 5055] <... openat resumed>) = 3 [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 8231] <... set_robust_list resumed>) = 0 [pid 8230] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8225] chdir("./file0" [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5051] <... restart_syscall resumed>) = 0 [pid 8231] rt_sigprocmask(SIG_SETMASK, [], [pid 8230] <... futex resumed>) = 0 [pid 8229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8228] <... mmap resumed>) = 0x7f8728b89000 [pid 8225] <... chdir resumed>) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8230] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8228] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8225] ioctl(4, LOOP_CLR_FD [pid 5055] close(3 [pid 8231] memfd_create("syzkaller", 0 [pid 8229] <... mmap resumed>) = 0x7f8728b89000 [pid 8228] <... mprotect resumed>) = 0 [pid 5051] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8231] <... memfd_create resumed>) = 3 [pid 8229] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8228] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8225] <... ioctl resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8229] <... mprotect resumed>) = 0 [pid 8228] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8225] close(4 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8231] <... mmap resumed>) = 0x7f8720789000 [pid 8229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8228] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8225] <... close resumed>) = 0 [pid 8225] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8232 [pid 5051] <... openat resumed>) = 3 [pid 8225] <... futex resumed>) = 1 [pid 8223] <... futex resumed>) = 0 [pid 5051] newfstatat(3, "", [pid 8225] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8223] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8233 attached [pid 8229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8228] <... clone3 resumed> => {parent_tid=[8233]}, 88) = 8233 [pid 8225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8223] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 8232 attached [pid 8233] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8228] rt_sigprocmask(SIG_SETMASK, [], [pid 8225] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8223] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8234 attached [pid 8233] <... rseq resumed>) = 0 [pid 8232] set_robust_list(0x55555656d6a0, 24 [pid 8228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8225] <... open resumed>) = 4 [pid 5051] getdents64(3, [pid 8234] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8233] set_robust_list(0x7f8728ba99a0, 24 [pid 8232] <... set_robust_list resumed>) = 0 [pid 8229] <... clone3 resumed> => {parent_tid=[8234]}, 88) = 8234 [pid 8228] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8234] <... rseq resumed>) = 0 [pid 8233] <... set_robust_list resumed>) = 0 [pid 8232] chdir("./170" [pid 8229] rt_sigprocmask(SIG_SETMASK, [], [pid 8228] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8234] set_robust_list(0x7f8728ba99a0, 24 [pid 8233] rt_sigprocmask(SIG_SETMASK, [], [pid 8229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8228] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8225] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8234] <... set_robust_list resumed>) = 0 [pid 8233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8232] <... chdir resumed>) = 0 [pid 8229] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8225] <... futex resumed>) = 1 [pid 8223] <... futex resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8234] rt_sigprocmask(SIG_SETMASK, [], [pid 8233] memfd_create("syzkaller", 0 [pid 8232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8229] <... futex resumed>) = 0 [pid 8225] ftruncate(4, 33587195 [pid 8223] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(AT_FDCWD, "./175/binderfs", [pid 8234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8233] <... memfd_create resumed>) = 3 [pid 8232] <... prctl resumed>) = 0 [pid 8229] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8223] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8234] memfd_create("syzkaller", 0 [pid 8233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8232] setpgid(0, 0 [pid 8225] <... ftruncate resumed>) = 0 [pid 8223] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] unlink("./175/binderfs" [pid 8234] <... memfd_create resumed>) = 3 [pid 8233] <... mmap resumed>) = 0x7f8720789000 [pid 8232] <... setpgid resumed>) = 0 [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8225] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8223] <... futex resumed>) = 0 [pid 8223] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8223] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8225] creat("./bus", 040) = 5 [pid 8232] <... openat resumed>) = 3 [pid 8232] write(3, "1000", 4 [pid 8225] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... write resumed>) = 4 [pid 8225] <... futex resumed>) = 1 [pid 8223] <... futex resumed>) = 0 [pid 8232] close(3 [pid 8223] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... close resumed>) = 0 [pid 8232] symlink("/dev/binderfs", "./binderfs" [pid 8225] mkdirat(AT_FDCWD, "./file0", 000 [pid 8223] <... futex resumed>) = 0 [pid 8225] <... mkdirat resumed>) = 0 [pid 8223] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8232] <... symlink resumed>) = 0 [pid 8225] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8225] <... futex resumed>) = 1 [pid 8223] <... futex resumed>) = 0 [pid 8232] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8225] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8223] exit_group(0 [pid 8232] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8225] <... futex resumed>) = ? [pid 8223] <... exit_group resumed>) = ? [pid 8232] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8231] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8225] +++ exited with 0 +++ [pid 8223] +++ exited with 0 +++ [pid 8234] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8223, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5054] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5054] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... openat resumed>) = 3 [pid 8232] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] newfstatat(3, "", [pid 8232] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, [pid 8232] <... mprotect resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8232] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./169/binderfs" [pid 8232] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 8232] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8235 attached [pid 8235] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8232] <... clone3 resumed> => {parent_tid=[8235]}, 88) = 8235 [pid 8235] <... rseq resumed>) = 0 [pid 8235] set_robust_list(0x7f8728ba99a0, 24 [pid 8232] rt_sigprocmask(SIG_SETMASK, [], [pid 8235] <... set_robust_list resumed>) = 0 [pid 8232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8235] rt_sigprocmask(SIG_SETMASK, [], [pid 8232] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8232] <... futex resumed>) = 0 [pid 8235] memfd_create("syzkaller", 0 [pid 8233] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8232] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8235] <... memfd_create resumed>) = 3 [pid 8235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./169/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./169/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./169") = 0 [pid 5054] mkdir("./170", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8236 ./strace-static-x86_64: Process 8236 attached [pid 8236] set_robust_list(0x55555656d6a0, 24 [pid 8235] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8236] <... set_robust_list resumed>) = 0 [pid 8236] chdir("./170") = 0 [pid 8236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8236] setpgid(0, 0) = 0 [pid 8236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8236] write(3, "1000", 4) = 4 [pid 8236] close(3) = 0 [pid 8236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8236] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8236] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8236] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8236] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8234] <... write resumed>) = 4194304 [pid 8236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8237]}, 88) = 8237 [pid 8236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8236] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8236] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8237 attached [pid 8237] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8237] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8234] munmap(0x7f8720789000, 138412032 [pid 8237] rt_sigprocmask(SIG_SETMASK, [], [pid 8231] <... write resumed>) = 4194304 [pid 5051] <... umount2 resumed>) = 0 [pid 8237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8234] <... munmap resumed>) = 0 [pid 8237] memfd_create("syzkaller", 0 [pid 8231] munmap(0x7f8720789000, 138412032 [pid 5051] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8237] <... memfd_create resumed>) = 3 [pid 8237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8237] <... mmap resumed>) = 0x7f8720789000 [pid 8234] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8231] <... munmap resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./175/file0", [pid 8234] <... openat resumed>) = 4 [pid 8234] ioctl(4, LOOP_SET_FD, 3 [pid 8233] <... write resumed>) = 4194304 [pid 8231] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8233] munmap(0x7f8720789000, 138412032 [pid 8231] <... openat resumed>) = 4 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8231] ioctl(4, LOOP_SET_FD, 3 [pid 5051] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 8234] <... ioctl resumed>) = 0 [pid 8234] close(3) = 0 [pid 8234] mkdir("./file0", 0777) = 0 [pid 8234] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8233] <... munmap resumed>) = 0 [pid 5051] rmdir("./175/file0" [pid 8233] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... rmdir resumed>) = 0 [pid 8233] <... openat resumed>) = 4 [pid 5051] getdents64(3, [ 288.247472][ T8234] loop2: detected capacity change from 0 to 8192 [ 288.261856][ T8231] loop1: detected capacity change from 0 to 8192 [ 288.273488][ T8233] loop5: detected capacity change from 0 to 8192 [ 288.274780][ T8234] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8233] ioctl(4, LOOP_SET_FD, 3 [pid 8235] <... write resumed>) = 4194304 [pid 8233] <... ioctl resumed>) = 0 [pid 8231] <... ioctl resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3 [pid 8237] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8233] close(3 [pid 8231] close(3 [pid 5051] <... close resumed>) = 0 [pid 8233] <... close resumed>) = 0 [pid 8231] <... close resumed>) = 0 [pid 8233] mkdir("./file0", 0777 [pid 8231] mkdir("./file0", 0777 [pid 8233] <... mkdir resumed>) = 0 [pid 8231] <... mkdir resumed>) = 0 [pid 8233] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8231] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8235] munmap(0x7f8720789000, 138412032) = 0 [pid 8235] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8235] ioctl(4, LOOP_SET_FD, 3 [pid 5051] rmdir("./175") = 0 [pid 5051] mkdir("./176", 0777 [pid 8237] <... write resumed>) = 4194304 [pid 8235] <... ioctl resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [ 288.297440][ T8234] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 288.309043][ T8235] loop4: detected capacity change from 0 to 8192 [ 288.317764][ T8233] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.332390][ T8231] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8237] munmap(0x7f8720789000, 138412032 [pid 8235] close(3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 8235] <... close resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8237] <... munmap resumed>) = 0 [pid 8235] mkdir("./file0", 0777 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8235] <... mkdir resumed>) = 0 [pid 5051] close(3) = 0 [ 288.353407][ T8234] REISERFS (device loop2): using ordered data mode [ 288.360182][ T8234] reiserfs: using flush barriers [ 288.365448][ T8233] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 288.367109][ T8231] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 288.384035][ T8231] REISERFS (device loop1): using ordered data mode [ 288.391666][ T8231] reiserfs: using flush barriers [pid 8235] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8241 [pid 8237] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 ./strace-static-x86_64: Process 8241 attached [ 288.394069][ T8234] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.399470][ T8233] REISERFS (device loop5): using ordered data mode [ 288.419885][ T8233] reiserfs: using flush barriers [ 288.425605][ T8231] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.436336][ T8234] REISERFS (device loop2): checking transaction log (loop2) [pid 8237] ioctl(4, LOOP_SET_FD, 3 [pid 8241] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8241] chdir("./176") = 0 [pid 8241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8241] setpgid(0, 0) = 0 [pid 8241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8241] write(3, "1000", 4) = 4 [pid 8241] close(3) = 0 [pid 8241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8241] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8241] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8237] <... ioctl resumed>) = 0 [pid 8241] <... mmap resumed>) = 0x7f8728b89000 [pid 8237] close(3 [pid 8241] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8237] <... close resumed>) = 0 [pid 8241] <... mprotect resumed>) = 0 [pid 8237] mkdir("./file0", 0777 [pid 8241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8237] <... mkdir resumed>) = 0 [pid 8241] <... rt_sigprocmask resumed>[], 8) = 0 [ 288.443532][ T8237] loop3: detected capacity change from 0 to 8192 [ 288.457942][ T8235] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.471017][ T8233] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.472525][ T8234] REISERFS (device loop2): Using tea hash to sort names [pid 8237] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8243]}, 88) = 8243 [pid 8241] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8241] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8241] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8243 attached [pid 8234] <... mount resumed>) = 0 [pid 8243] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [ 288.503357][ T8235] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 288.504907][ T8234] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 288.519678][ T8231] REISERFS (device loop1): checking transaction log (loop1) [ 288.523510][ T8233] REISERFS (device loop5): checking transaction log (loop5) [ 288.531103][ T8235] REISERFS (device loop4): using ordered data mode [ 288.538650][ T8233] REISERFS (device loop5): Using tea hash to sort names [pid 8234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8243] <... rseq resumed>) = 0 [pid 8234] <... openat resumed>) = 3 [pid 8243] set_robust_list(0x7f8728ba99a0, 24 [pid 8234] chdir("./file0" [pid 8233] <... mount resumed>) = 0 [pid 8243] <... set_robust_list resumed>) = 0 [pid 8234] <... chdir resumed>) = 0 [pid 8233] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8234] ioctl(4, LOOP_CLR_FD [pid 8243] rt_sigprocmask(SIG_SETMASK, [], [pid 8234] <... ioctl resumed>) = 0 [pid 8243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8234] close(4 [pid 8233] <... openat resumed>) = 3 [pid 8234] <... close resumed>) = 0 [pid 8243] memfd_create("syzkaller", 0 [pid 8234] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] chdir("./file0" [pid 8243] <... memfd_create resumed>) = 3 [pid 8234] <... futex resumed>) = 1 [pid 8233] <... chdir resumed>) = 0 [pid 8229] <... futex resumed>) = 0 [ 288.544597][ T8237] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 288.551336][ T8233] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 288.566470][ T8231] REISERFS (device loop1): Using tea hash to sort names [ 288.573384][ T8235] reiserfs: using flush barriers [ 288.589198][ T8231] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8234] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8233] ioctl(4, LOOP_CLR_FD [pid 8229] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... ioctl resumed>) = 0 [pid 8234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8233] close(4 [pid 8229] <... futex resumed>) = 0 [pid 8243] <... mmap resumed>) = 0x7f8720789000 [pid 8233] <... close resumed>) = 0 [pid 8234] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8229] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8233] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8234] <... open resumed>) = 4 [pid 8233] <... futex resumed>) = 1 [pid 8228] <... futex resumed>) = 0 [pid 8233] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8228] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8228] <... futex resumed>) = 0 [pid 8233] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8228] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8233] <... open resumed>) = 4 [pid 8231] <... mount resumed>) = 0 [pid 8234] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8229] <... futex resumed>) = 0 [pid 8229] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8234] ftruncate(4, 33587195 [pid 8229] <... futex resumed>) = 0 [pid 8229] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8233] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8228] <... futex resumed>) = 0 [pid 8233] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8228] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8228] <... futex resumed>) = 0 [pid 8231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8228] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8233] ftruncate(4, 33587195 [pid 8231] <... openat resumed>) = 3 [pid 8231] chdir("./file0") = 0 [ 288.602023][ T8237] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 288.633069][ T8235] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8234] <... ftruncate resumed>) = 0 [pid 8233] <... ftruncate resumed>) = 0 [pid 8231] ioctl(4, LOOP_CLR_FD) = 0 [pid 8231] close(4) = 0 [pid 8231] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8230] <... futex resumed>) = 0 [pid 8231] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8230] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] <... futex resumed>) = 0 [pid 8230] <... futex resumed>) = 1 [pid 8231] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8230] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8231] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8231] <... futex resumed>) = 0 [pid 8230] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8230] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8231] ftruncate(4, 33587195 [pid 8234] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8229] <... futex resumed>) = 0 [pid 8229] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8233] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] <... ftruncate resumed>) = 0 [pid 8229] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8234] creat("./bus", 040 [pid 8233] <... futex resumed>) = 1 [pid 8228] <... futex resumed>) = 0 [ 288.649565][ T8237] REISERFS (device loop3): using ordered data mode [ 288.662091][ T8237] reiserfs: using flush barriers [ 288.682371][ T8235] REISERFS (device loop4): checking transaction log (loop4) [pid 8231] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 288.690433][ T8237] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 288.710092][ T8237] REISERFS (device loop3): checking transaction log (loop3) [ 288.714710][ T8235] REISERFS (device loop4): Using tea hash to sort names [ 288.735157][ T8237] REISERFS (device loop3): Using tea hash to sort names [ 288.742565][ T8237] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8243] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8234] <... creat resumed>) = 5 [pid 8233] creat("./bus", 040 [pid 8230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8228] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] <... futex resumed>) = 0 [pid 8231] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8229] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8228] <... futex resumed>) = 0 [pid 8229] <... futex resumed>) = 0 [pid 8228] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8230] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8233] <... creat resumed>) = 5 [pid 8230] <... futex resumed>) = 1 [pid 8229] <... mmap resumed>) = 0x7f8728b68000 [pid 8231] <... futex resumed>) = 0 [pid 8231] creat("./bus", 040) = 5 [pid 8230] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8229] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 8231] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8231] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8234] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8229] <... mprotect resumed>) = 0 [pid 8234] <... futex resumed>) = 0 [pid 8230] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8234] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8231] <... futex resumed>) = 0 [pid 8230] <... futex resumed>) = 1 [pid 8229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8231] mkdirat(AT_FDCWD, "./file0", 000 [pid 8230] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0}./strace-static-x86_64: Process 8245 attached [pid 8231] <... mkdirat resumed>) = 0 [pid 8245] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8231] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8229] <... clone3 resumed> => {parent_tid=[8245]}, 88) = 8245 [pid 8233] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8231] <... futex resumed>) = 1 [pid 8230] <... futex resumed>) = 0 [pid 8229] rt_sigprocmask(SIG_SETMASK, [], [pid 8233] <... futex resumed>) = 1 [pid 8231] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8230] exit_group(0 [pid 8229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8228] <... futex resumed>) = 0 [pid 8233] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8245] <... rseq resumed>) = 0 [pid 8231] <... futex resumed>) = ? [pid 8230] <... exit_group resumed>) = ? [pid 8229] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8228] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8245] set_robust_list(0x7f8728b889a0, 24 [pid 8233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8231] +++ exited with 0 +++ [pid 8230] +++ exited with 0 +++ [pid 8229] <... futex resumed>) = 0 [pid 8245] <... set_robust_list resumed>) = 0 [pid 8233] mkdirat(AT_FDCWD, "./file0", 000 [pid 8229] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8228] <... futex resumed>) = 0 [pid 8245] rt_sigprocmask(SIG_SETMASK, [], [pid 8233] <... mkdirat resumed>) = 0 [pid 8228] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8233] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8230, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 8245] mkdirat(AT_FDCWD, "./file0", 000 [pid 8233] <... futex resumed>) = 0 [pid 8228] exit_group(0 [pid 5052] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8245] <... mkdirat resumed>) = 0 [pid 8228] <... exit_group resumed>) = ? [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8245] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8235] <... mount resumed>) = 0 [pid 8233] +++ exited with 0 +++ [pid 8228] +++ exited with 0 +++ [pid 8235] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8245] <... futex resumed>) = 1 [pid 8235] <... openat resumed>) = 3 [pid 8229] <... futex resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8228, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5052] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8245] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8243] <... write resumed>) = 4194304 [pid 8237] <... mount resumed>) = 0 [pid 8235] chdir("./file0" [pid 8229] exit_group(0 [pid 5052] <... openat resumed>) = 3 [pid 8245] <... futex resumed>) = ? [pid 8235] <... chdir resumed>) = 0 [pid 8234] <... futex resumed>) = ? [pid 8229] <... exit_group resumed>) = ? [pid 5052] newfstatat(3, "", [pid 8245] +++ exited with 0 +++ [pid 8243] munmap(0x7f8720789000, 138412032 [pid 8237] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8235] ioctl(4, LOOP_CLR_FD [pid 8234] +++ exited with 0 +++ [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8237] <... openat resumed>) = 3 [pid 8235] <... ioctl resumed>) = 0 [pid 8229] +++ exited with 0 +++ [pid 5052] getdents64(3, [pid 8237] chdir("./file0" [pid 8235] close(4 [pid 8243] <... munmap resumed>) = 0 [pid 8237] <... chdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8243] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8237] ioctl(4, LOOP_CLR_FD [pid 5052] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8243] <... openat resumed>) = 4 [pid 8237] <... ioctl resumed>) = 0 [pid 5056] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 288.760553][ T8235] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8243] ioctl(4, LOOP_SET_FD, 3 [pid 8237] close(4 [pid 8235] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./173/binderfs", [pid 8235] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8229, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 8232] <... futex resumed>) = 0 [pid 8232] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8235] <... futex resumed>) = 1 [pid 8232] <... futex resumed>) = 0 [pid 8232] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8235] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5053] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8243] <... ioctl resumed>) = 0 [pid 8237] <... close resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./172/binderfs") = 0 [pid 5053] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8235] <... open resumed>) = 4 [pid 8235] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8235] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8232] <... futex resumed>) = 0 [pid 8243] close(3 [pid 8237] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [ 288.820471][ T8243] loop0: detected capacity change from 0 to 8192 [ 288.841234][ T29] kauditd_printk_skb: 13 callbacks suppressed [ 288.841250][ T29] audit: type=1800 audit(1698988433.594:1038): pid=8235 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 5052] unlink("./173/binderfs" [pid 8243] <... close resumed>) = 0 [pid 8237] <... futex resumed>) = 1 [pid 5056] newfstatat(3, "", [pid 8243] mkdir("./file0", 0777 [pid 8237] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8236] <... futex resumed>) = 0 [pid 8236] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8236] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8232] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8235] <... futex resumed>) = 0 [pid 8243] <... mkdir resumed>) = 0 [pid 8235] ftruncate(4, 33587195 [pid 8243] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8237] <... futex resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8237] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5052] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8232] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8237] <... open resumed>) = 4 [pid 8235] <... ftruncate resumed>) = 0 [pid 8235] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8232] <... futex resumed>) = 0 [pid 8232] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8232] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8235] <... futex resumed>) = 1 [pid 8235] creat("./bus", 040 [pid 8237] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(3, [pid 8237] <... futex resumed>) = 1 [pid 8236] <... futex resumed>) = 0 [pid 8237] ftruncate(4, 33587195 [pid 8236] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8236] <... futex resumed>) = 0 [pid 5056] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8236] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8235] <... creat resumed>) = 5 [pid 8235] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8237] <... ftruncate resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8235] <... futex resumed>) = 1 [pid 8232] <... futex resumed>) = 0 [pid 8232] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8232] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8235] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] newfstatat(AT_FDCWD, "./172/binderfs", [pid 8237] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8235] <... mkdirat resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 288.880346][ T29] audit: type=1800 audit(1698988433.634:1039): pid=8237 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 288.905406][ T8243] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8237] <... futex resumed>) = 1 [pid 8236] <... futex resumed>) = 0 [pid 5056] unlink("./172/binderfs" [pid 8237] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... unlink resumed>) = 0 [pid 8236] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8236] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8237] <... futex resumed>) = 0 [pid 5056] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8237] creat("./bus", 040 [pid 8235] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8237] <... creat resumed>) = 5 [pid 8235] <... futex resumed>) = 1 [pid 8235] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8232] <... futex resumed>) = 0 [pid 8232] exit_group(0) = ? [ 288.934035][ T8243] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 288.944400][ T8243] REISERFS (device loop0): using ordered data mode [ 288.950951][ T8243] reiserfs: using flush barriers [ 288.962562][ T8243] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8235] <... futex resumed>) = ? [pid 8237] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8235] +++ exited with 0 +++ [pid 8232] +++ exited with 0 +++ [pid 8237] <... futex resumed>) = 1 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8232, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8236] <... futex resumed>) = 0 [pid 8236] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8237] mkdirat(AT_FDCWD, "./file0", 000 [pid 8236] <... futex resumed>) = 0 [pid 5055] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8236] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8237] <... mkdirat resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 8237] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(3, "", [pid 8237] <... futex resumed>) = 1 [pid 8237] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8236] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8236] exit_group(0) = ? [pid 5055] getdents64(3, [pid 8237] <... futex resumed>) = ? [pid 8237] +++ exited with 0 +++ [pid 8236] +++ exited with 0 +++ [pid 8243] <... mount resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8236, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 8243] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 8243] <... openat resumed>) = 3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... restart_syscall resumed>) = 0 [pid 8243] chdir("./file0" [pid 5055] newfstatat(AT_FDCWD, "./170/binderfs", [pid 8243] <... chdir resumed>) = 0 [pid 8243] ioctl(4, LOOP_CLR_FD [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8243] <... ioctl resumed>) = 0 [pid 5055] unlink("./170/binderfs" [pid 8243] close(4 [ 288.981265][ T8243] REISERFS (device loop0): checking transaction log (loop0) [ 288.998605][ T8243] REISERFS (device loop0): Using tea hash to sort names [ 289.012300][ T8243] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8243] <... close resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8243] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8243] <... futex resumed>) = 1 [pid 8241] <... futex resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 8241] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(3, "", [pid 8241] <... futex resumed>) = 0 [pid 8243] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8241] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8243] <... open resumed>) = 4 [pid 5054] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./170/binderfs", [pid 5053] <... umount2 resumed>) = 0 [pid 8243] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] unlink("./170/binderfs" [pid 8243] <... futex resumed>) = 0 [pid 8241] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8243] ftruncate(4, 33587195 [pid 8241] <... futex resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 8241] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(AT_FDCWD, "./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8243] <... ftruncate resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./172/file0") = 0 [pid 8243] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8241] <... futex resumed>) = 0 [pid 8243] creat("./bus", 040 [pid 8241] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8243] <... creat resumed>) = 5 [pid 8241] <... futex resumed>) = 0 [pid 8241] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [ 289.093969][ T29] audit: type=1800 audit(1698988433.834:1040): pid=8243 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./172") = 0 [pid 5053] mkdir("./173", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8243] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(3 [pid 8243] <... futex resumed>) = 1 [pid 8241] <... futex resumed>) = 0 [pid 8241] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... close resumed>) = 0 [pid 8241] <... futex resumed>) = 0 [pid 8241] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8243] mkdirat(AT_FDCWD, "./file0", 000 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8243] <... mkdirat resumed>) = 0 [pid 8243] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8247 attached [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8247 [pid 8247] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8247] chdir("./173") = 0 [pid 8243] <... futex resumed>) = 1 [pid 8241] <... futex resumed>) = 0 [pid 8247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8243] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8241] exit_group(0) = ? [pid 8247] <... prctl resumed>) = 0 [pid 8243] <... futex resumed>) = ? [pid 8247] setpgid(0, 0 [pid 8243] +++ exited with 0 +++ [pid 8241] +++ exited with 0 +++ [pid 8247] <... setpgid resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 8247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8241, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8247] <... openat resumed>) = 3 [pid 5052] newfstatat(AT_FDCWD, "./173/file0", [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8247] write(3, "1000", 4 [pid 5052] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8247] <... write resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8247] close(3 [pid 5052] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... restart_syscall resumed>) = 0 [pid 8247] <... close resumed>) = 0 [pid 5052] <... openat resumed>) = 4 [pid 8247] symlink("/dev/binderfs", "./binderfs" [pid 5052] newfstatat(4, "", [pid 8247] <... symlink resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(4, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8247] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 5051] <... openat resumed>) = 3 [pid 8247] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] newfstatat(3, "", [pid 8247] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5052] close(4 [pid 8247] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5052] <... close resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8247] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5052] rmdir("./173/file0" [pid 5051] getdents64(3, [pid 8247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8247] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8247] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] getdents64(3, [pid 8247] <... mprotect resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8247] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] close(3 [pid 8247] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8247] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5052] <... close resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./176/binderfs", ./strace-static-x86_64: Process 8248 attached [pid 5052] rmdir("./173" [pid 8248] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8247] <... clone3 resumed> => {parent_tid=[8248]}, 88) = 8248 [pid 5056] <... umount2 resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8248] <... rseq resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8248] set_robust_list(0x7f8728ba99a0, 24 [pid 5052] mkdir("./174", 0777 [pid 5051] unlink("./176/binderfs" [pid 8248] <... set_robust_list resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 8248] rt_sigprocmask(SIG_SETMASK, [], [pid 8247] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] <... unlink resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5051] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 8248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8248] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8247] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8248] <... futex resumed>) = 0 [pid 8247] <... futex resumed>) = 1 [pid 8248] memfd_create("syzkaller", 0 [pid 8247] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8248] <... memfd_create resumed>) = 3 [pid 8248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... umount2 resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./172/file0", [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8249 ./strace-static-x86_64: Process 8249 attached [pid 8249] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8249] chdir("./174" [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... openat resumed>) = 4 [pid 5055] newfstatat(AT_FDCWD, "./170/file0", [pid 5056] newfstatat(4, "", [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8249] <... chdir resumed>) = 0 [pid 8249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] getdents64(4, [pid 5055] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8249] setpgid(0, 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... openat resumed>) = 4 [pid 8249] <... setpgid resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 8249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8249] write(3, "1000", 4) = 4 [pid 8249] close(3 [pid 5056] getdents64(4, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8249] <... close resumed>) = 0 [pid 5055] getdents64(4, [pid 8249] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8249] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(4 [pid 5055] getdents64(4, [pid 8249] <... futex resumed>) = 0 [pid 8249] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8249] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] <... close resumed>) = 0 [pid 8249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] rmdir("./172/file0" [pid 5055] close(4 [pid 8249] <... mmap resumed>) = 0x7f8728b89000 [pid 8249] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8249] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8250]}, 88) = 8250 [pid 8249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8249] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8250 attached [pid 8249] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8250] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8250] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8250] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8250] memfd_create("syzkaller", 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8250] <... memfd_create resumed>) = 3 [pid 8250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5056] getdents64(3, [pid 5055] rmdir("./170/file0" [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5056] close(3 [pid 5055] getdents64(3, [pid 8248] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... close resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] rmdir("./172" [pid 5055] close(3 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5056] mkdir("./173", 0777 [pid 5055] rmdir("./170") = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5055] mkdir("./171", 0777 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] <... mkdir resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 5055] close(3 [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8252 attached , child_tidptr=0x55555656d690) = 8251 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8252 [pid 8252] set_robust_list(0x55555656d6a0, 24) = 0 ./strace-static-x86_64: Process 8251 attached [pid 8252] chdir("./171" [pid 8251] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8251] chdir("./173") = 0 [pid 8251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8251] setpgid(0, 0) = 0 [pid 8251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8252] <... chdir resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 8252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8251] write(3, "1000", 4) = 4 [pid 5054] <... umount2 resumed>) = 0 [pid 8251] close(3 [pid 8252] <... prctl resumed>) = 0 [pid 8251] <... close resumed>) = 0 [pid 8250] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8251] symlink("/dev/binderfs", "./binderfs" [pid 8252] setpgid(0, 0 [pid 8251] <... symlink resumed>) = 0 [pid 8252] <... setpgid resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8251] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8251] <... futex resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./170/file0", [pid 8252] <... openat resumed>) = 3 [pid 8251] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8252] write(3, "1000", 4 [pid 5054] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8252] <... write resumed>) = 4 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8252] close(3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./176/file0", [pid 8252] <... close resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8252] symlink("/dev/binderfs", "./binderfs" [pid 8251] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5051] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(4, "", [pid 8251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] getdents64(4, [pid 5051] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 8252] <... symlink resumed>) = 0 [pid 8251] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] close(4 [pid 5051] <... openat resumed>) = 4 [pid 8252] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8251] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... close resumed>) = 0 [pid 5051] newfstatat(4, "", [pid 8252] <... futex resumed>) = 0 [pid 8251] <... mprotect resumed>) = 0 [pid 5054] rmdir("./170/file0" [pid 8252] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8252] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8252] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] getdents64(3, [pid 5051] getdents64(4, ./strace-static-x86_64: Process 8253 attached [pid 8252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8253] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8251] <... clone3 resumed> => {parent_tid=[8253]}, 88) = 8253 [pid 5054] close(3 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8253] <... rseq resumed>) = 0 [pid 8252] <... mmap resumed>) = 0x7f8728b89000 [pid 8251] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... close resumed>) = 0 [pid 5051] getdents64(4, [pid 8252] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] rmdir("./170" [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8252] <... mprotect resumed>) = 0 [pid 5051] close(4 [pid 8251] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... close resumed>) = 0 [pid 8251] <... futex resumed>) = 0 [pid 5051] rmdir("./176/file0" [pid 8251] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8253] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8253] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8253] memfd_create("syzkaller", 0 [pid 8252] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... rmdir resumed>) = 0 [pid 8253] <... memfd_create resumed>) = 3 [pid 8252] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8252] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8254 attached [pid 8253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8248] <... write resumed>) = 4194304 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 8254] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8253] <... mmap resumed>) = 0x7f8720789000 [pid 8252] <... clone3 resumed> => {parent_tid=[8254]}, 88) = 8254 [pid 8248] munmap(0x7f8720789000, 138412032 [pid 5054] mkdir("./171", 0777 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8254] <... rseq resumed>) = 0 [pid 8252] rt_sigprocmask(SIG_SETMASK, [], [pid 8254] set_robust_list(0x7f8728ba99a0, 24 [pid 5051] close(3 [pid 8254] <... set_robust_list resumed>) = 0 [pid 8252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 8254] rt_sigprocmask(SIG_SETMASK, [], [pid 8252] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... close resumed>) = 0 [pid 8254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8252] <... futex resumed>) = 0 [pid 8248] <... munmap resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8252] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] rmdir("./176" [pid 5054] <... openat resumed>) = 3 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] mkdir("./177", 0777 [pid 8254] memfd_create("syzkaller", 0 [pid 8248] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8254] <... memfd_create resumed>) = 3 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 5051] <... mkdir resumed>) = 0 [pid 8254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5054] <... close resumed>) = 0 [pid 8254] <... mmap resumed>) = 0x7f8720789000 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8248] <... openat resumed>) = 4 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 8248] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 8255 attached [pid 8255] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8255] chdir("./171") = 0 [pid 8255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8255] setpgid(0, 0) = 0 [pid 8255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8255 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8255] write(3, "1000", 4 [pid 5051] close(3 [pid 8250] <... write resumed>) = 4194304 [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8255] <... write resumed>) = 4 [pid 8255] close(3) = 0 [pid 8255] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8250] munmap(0x7f8720789000, 138412032 [pid 8248] <... ioctl resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8256 [pid 8255] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8256 attached ) = 0 [pid 8250] <... munmap resumed>) = 0 [pid 8248] close(3) = 0 [pid 8256] set_robust_list(0x55555656d6a0, 24 [pid 8255] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8256] <... set_robust_list resumed>) = 0 [pid 8255] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8248] mkdir("./file0", 0777 [pid 8256] chdir("./177" [pid 8255] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8256] <... chdir resumed>) = 0 [pid 8255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8248] <... mkdir resumed>) = 0 [pid 8256] <... prctl resumed>) = 0 [pid 8255] <... mmap resumed>) = 0x7f8728b89000 [pid 8248] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8256] setpgid(0, 0 [pid 8255] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8256] <... setpgid resumed>) = 0 [pid 8255] <... mprotect resumed>) = 0 [ 289.494621][ T8248] loop2: detected capacity change from 0 to 8192 [pid 8256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8255] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8256] <... openat resumed>) = 3 [pid 8255] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8253] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8256] write(3, "1000", 4 [pid 8255] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8256] <... write resumed>) = 4 [pid 8256] close(3 [pid 8255] <... clone3 resumed> => {parent_tid=[8258]}, 88) = 8258 [pid 8256] <... close resumed>) = 0 [pid 8255] rt_sigprocmask(SIG_SETMASK, [], [pid 8256] symlink("/dev/binderfs", "./binderfs" [pid 8255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8256] <... symlink resumed>) = 0 [pid 8255] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 8258 attached [pid 8256] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8255] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8258] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8256] <... futex resumed>) = 0 [pid 8258] <... rseq resumed>) = 0 [pid 8256] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8258] set_robust_list(0x7f8728ba99a0, 24 [pid 8256] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8250] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8258] <... set_robust_list resumed>) = 0 [pid 8256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8250] <... openat resumed>) = 4 [pid 8258] rt_sigprocmask(SIG_SETMASK, [], [pid 8256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8250] ioctl(4, LOOP_SET_FD, 3 [pid 8258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8258] memfd_create("syzkaller", 0) = 3 [pid 8256] <... mmap resumed>) = 0x7f8728b89000 [pid 8258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8256] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8258] <... mmap resumed>) = 0x7f8720789000 [pid 8256] <... mprotect resumed>) = 0 [pid 8250] <... ioctl resumed>) = 0 [pid 8250] close(3 [pid 8254] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8256] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8250] <... close resumed>) = 0 [pid 8250] mkdir("./file0", 0777 [pid 8256] <... clone3 resumed> => {parent_tid=[8259]}, 88) = 8259 [pid 8250] <... mkdir resumed>) = 0 [pid 8256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8256] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8256] <... futex resumed>) = 0 [pid 8256] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8259 attached [ 289.546444][ T8248] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.561385][ T8250] loop1: detected capacity change from 0 to 8192 [ 289.573737][ T8248] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 289.583067][ T8248] REISERFS (device loop2): using ordered data mode [pid 8259] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8259] set_robust_list(0x7f8728ba99a0, 24 [pid 8253] <... write resumed>) = 4194304 [pid 8259] <... set_robust_list resumed>) = 0 [pid 8259] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8259] memfd_create("syzkaller", 0) = 3 [pid 8253] munmap(0x7f8720789000, 138412032 [pid 8259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8253] <... munmap resumed>) = 0 [pid 8259] <... mmap resumed>) = 0x7f8720789000 [ 289.619119][ T8250] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.626846][ T8248] reiserfs: using flush barriers [pid 8258] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8253] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8258] <... write resumed>) = 4194304 [pid 8253] ioctl(4, LOOP_SET_FD, 3 [ 289.664916][ T8248] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.694524][ T8250] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 289.706328][ T8248] REISERFS (device loop2): checking transaction log (loop2) [pid 8258] munmap(0x7f8720789000, 138412032) = 0 [pid 8258] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8253] <... ioctl resumed>) = 0 [pid 8258] <... openat resumed>) = 4 [pid 8258] ioctl(4, LOOP_SET_FD, 3 [pid 8253] close(3) = 0 [ 289.715949][ T8253] loop5: detected capacity change from 0 to 8192 [ 289.723388][ T8248] REISERFS (device loop2): Using tea hash to sort names [ 289.723969][ T8250] REISERFS (device loop1): using ordered data mode [ 289.739242][ T8258] loop3: detected capacity change from 0 to 8192 [ 289.747700][ T8248] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 289.757721][ T8250] reiserfs: using flush barriers [pid 8253] mkdir("./file0", 0777 [pid 8259] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8253] <... mkdir resumed>) = 0 [pid 8248] <... mount resumed>) = 0 [pid 8258] <... ioctl resumed>) = 0 [pid 8254] <... write resumed>) = 4194304 [pid 8253] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8248] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8258] close(3 [pid 8254] munmap(0x7f8720789000, 138412032 [pid 8248] <... openat resumed>) = 3 [pid 8258] <... close resumed>) = 0 [pid 8254] <... munmap resumed>) = 0 [pid 8258] mkdir("./file0", 0777 [pid 8248] chdir("./file0") = 0 [pid 8258] <... mkdir resumed>) = 0 [pid 8254] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8248] ioctl(4, LOOP_CLR_FD) = 0 [pid 8248] close(4) = 0 [pid 8248] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8247] <... futex resumed>) = 0 [pid 8247] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8247] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8248] <... futex resumed>) = 1 [pid 8254] <... openat resumed>) = 4 [pid 8248] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8258] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8254] ioctl(4, LOOP_SET_FD, 3 [pid 8248] <... open resumed>) = 4 [ 289.764803][ T8250] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 289.783289][ T8250] REISERFS (device loop1): checking transaction log (loop1) [ 289.791056][ T8254] loop4: detected capacity change from 0 to 8192 [pid 8248] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8247] <... futex resumed>) = 0 [pid 8247] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8259] <... write resumed>) = 4194304 [pid 8247] <... futex resumed>) = 0 [pid 8248] ftruncate(4, 33587195 [ 289.799722][ T29] audit: type=1800 audit(1698988434.544:1041): pid=8248 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 289.804283][ T8253] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.836291][ T8258] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.854550][ T8258] REISERFS (device loop3): Using tea hash to sort names [pid 8247] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8248] <... ftruncate resumed>) = 0 [pid 8259] munmap(0x7f8720789000, 138412032 [pid 8254] <... ioctl resumed>) = 0 [pid 8250] <... mount resumed>) = 0 [pid 8250] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8254] close(3 [pid 8248] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] <... openat resumed>) = 3 [pid 8250] chdir("./file0" [pid 8254] <... close resumed>) = 0 [pid 8250] <... chdir resumed>) = 0 [pid 8248] <... futex resumed>) = 1 [pid 8247] <... futex resumed>) = 0 [pid 8250] ioctl(4, LOOP_CLR_FD [pid 8247] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8250] <... ioctl resumed>) = 0 [pid 8247] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8259] <... munmap resumed>) = 0 [pid 8254] mkdir("./file0", 0777 [pid 8250] close(4 [pid 8248] creat("./bus", 040 [pid 8259] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8254] <... mkdir resumed>) = 0 [pid 8250] <... close resumed>) = 0 [pid 8248] <... creat resumed>) = 5 [pid 8259] <... openat resumed>) = 4 [pid 8254] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8250] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 289.854557][ T8250] REISERFS (device loop1): Using tea hash to sort names [ 289.854972][ T8250] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 289.861858][ T8258] REISERFS (device loop3): using ordered data mode [ 289.889891][ T8253] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 289.899351][ T8253] REISERFS (device loop5): using ordered data mode [pid 8248] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8259] ioctl(4, LOOP_SET_FD, 3 [pid 8250] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] <... futex resumed>) = 0 [pid 8248] <... futex resumed>) = 1 [pid 8247] <... futex resumed>) = 0 [pid 8249] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8248] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8247] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] <... futex resumed>) = 0 [pid 8249] <... futex resumed>) = 1 [pid 8247] <... futex resumed>) = 0 [pid 8250] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8249] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8247] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8248] mkdirat(AT_FDCWD, "./file0", 000 [pid 8250] <... open resumed>) = 4 [pid 8248] <... mkdirat resumed>) = 0 [pid 8250] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8248] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8250] <... futex resumed>) = 1 [pid 8249] <... futex resumed>) = 0 [pid 8248] <... futex resumed>) = 1 [pid 8247] <... futex resumed>) = 0 [pid 8250] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 289.917729][ T8259] loop0: detected capacity change from 0 to 8192 [ 289.936903][ T29] audit: type=1800 audit(1698988434.684:1042): pid=8250 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 8248] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8247] exit_group(0 [pid 8259] <... ioctl resumed>) = 0 [pid 8250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8249] <... futex resumed>) = 0 [pid 8249] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8250] ftruncate(4, 33587195 [pid 8247] <... exit_group resumed>) = ? [pid 8248] <... futex resumed>) = ? [pid 8248] +++ exited with 0 +++ [pid 8247] +++ exited with 0 +++ [pid 8259] close(3) = 0 [pid 8259] mkdir("./file0", 0777) = 0 [pid 8259] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8250] <... ftruncate resumed>) = 0 [ 289.937150][ T8254] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 289.957606][ T8253] reiserfs: using flush barriers [ 289.970564][ T8254] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 289.986662][ T8254] REISERFS (device loop4): using ordered data mode [ 289.993893][ T8254] reiserfs: using flush barriers [ 290.003135][ T8258] reiserfs: using flush barriers [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8247, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 8250] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5053] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8250] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8249] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8249] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... openat resumed>) = 3 [pid 8249] <... futex resumed>) = 1 [ 290.008212][ T8254] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.027374][ T8259] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.028454][ T8254] REISERFS (device loop4): checking transaction log (loop4) [ 290.040976][ T8258] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8249] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8250] <... futex resumed>) = 0 [pid 5053] newfstatat(3, "", [pid 8254] <... mount resumed>) = 0 [pid 8250] creat("./bus", 040 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 290.065639][ T8254] REISERFS (device loop4): Using tea hash to sort names [ 290.068981][ T8253] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.073485][ T8254] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 290.090793][ T8259] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 290.099466][ T8258] REISERFS (device loop3): checking transaction log (loop3) [pid 8254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8250] <... creat resumed>) = 5 [pid 8249] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5053] getdents64(3, [pid 8249] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 8249] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8249] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8249] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 8250] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8254] <... openat resumed>) = 3 [pid 8250] <... futex resumed>) = 0 [pid 5053] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8254] chdir("./file0" [pid 8250] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8249] <... clone3 resumed> => {parent_tid=[8265]}, 88) = 8265 [pid 8249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8254] <... chdir resumed>) = 0 [pid 8249] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(AT_FDCWD, "./173/binderfs", [pid 8254] ioctl(4, LOOP_CLR_FD [pid 8249] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8254] <... ioctl resumed>) = 0 [pid 8249] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] unlink("./173/binderfs" [pid 8254] close(4 [pid 5053] <... unlink resumed>) = 0 [pid 8254] <... close resumed>) = 0 [pid 5053] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8265 attached [pid 8254] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8254] <... futex resumed>) = 1 [pid 8252] <... futex resumed>) = 0 [pid 8265] <... rseq resumed>) = 0 [pid 8254] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8252] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8265] set_robust_list(0x7f8728b889a0, 24 [pid 8258] <... mount resumed>) = 0 [pid 8254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8252] <... futex resumed>) = 0 [pid 8258] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8254] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8252] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8258] <... openat resumed>) = 3 [pid 8254] <... open resumed>) = 4 [pid 8254] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8252] <... futex resumed>) = 0 [pid 8252] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8252] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8265] <... set_robust_list resumed>) = 0 [pid 8254] ftruncate(4, 33587195 [pid 8265] rt_sigprocmask(SIG_SETMASK, [], [pid 8254] <... ftruncate resumed>) = 0 [pid 8265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8265] mkdirat(AT_FDCWD, "./file0", 000) = 0 [ 290.111268][ T8253] REISERFS (device loop5): checking transaction log (loop5) [ 290.120731][ T8258] REISERFS (device loop3): Using tea hash to sort names [ 290.130556][ T8258] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 290.140577][ T8259] REISERFS (device loop0): using ordered data mode [ 290.147440][ T8259] reiserfs: using flush barriers [pid 8265] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8249] <... futex resumed>) = 0 [pid 8265] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8258] chdir("./file0" [pid 8249] exit_group(0 [pid 8258] <... chdir resumed>) = 0 [pid 8250] <... futex resumed>) = ? [pid 8249] <... exit_group resumed>) = ? [pid 8250] +++ exited with 0 +++ [pid 8265] <... futex resumed>) = ? [pid 8265] +++ exited with 0 +++ [pid 8258] ioctl(4, LOOP_CLR_FD [pid 8254] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8249] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8249, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8258] <... ioctl resumed>) = 0 [pid 8254] <... futex resumed>) = 1 [pid 8252] <... futex resumed>) = 0 [pid 8252] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8258] close(4 [pid 8254] creat("./bus", 040 [pid 8252] <... futex resumed>) = 0 [pid 8258] <... close resumed>) = 0 [pid 8252] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8258] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8255] <... futex resumed>) = 0 [pid 5052] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [ 290.154911][ T8259] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 290.171446][ T29] audit: type=1800 audit(1698988434.914:1043): pid=8254 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 8258] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8255] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8254] <... creat resumed>) = 5 [pid 8255] <... futex resumed>) = 0 [pid 8255] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8258] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8254] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8258] <... open resumed>) = 4 [pid 5052] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8258] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8254] <... futex resumed>) = 1 [pid 8258] <... futex resumed>) = 1 [pid 8252] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8258] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] newfstatat(3, "", [pid 8254] mkdirat(AT_FDCWD, "./file0", 000 [pid 8252] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8254] <... mkdirat resumed>) = 0 [pid 8252] <... futex resumed>) = 0 [pid 5052] getdents64(3, [pid 8255] <... futex resumed>) = 0 [pid 8254] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8252] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8255] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8254] <... futex resumed>) = 0 [pid 8252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8258] <... futex resumed>) = 0 [pid 8255] <... futex resumed>) = 1 [pid 8254] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8252] exit_group(0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8258] ftruncate(4, 33587195 [pid 8255] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8254] <... futex resumed>) = ? [pid 8252] <... exit_group resumed>) = ? [pid 5052] newfstatat(AT_FDCWD, "./174/binderfs", [pid 8258] <... ftruncate resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8254] +++ exited with 0 +++ [pid 8252] +++ exited with 0 +++ [pid 5052] unlink("./174/binderfs" [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8252, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 8258] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8255] <... futex resumed>) = 0 [pid 5055] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8255] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... unlink resumed>) = 0 [pid 8255] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8255] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] <... umount2 resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 5053] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] getdents64(3, [ 290.213167][ T8253] REISERFS (device loop5): Using tea hash to sort names [pid 5053] newfstatat(AT_FDCWD, "./173/file0", [pid 8258] creat("./bus", 040 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8258] <... creat resumed>) = 5 [pid 5055] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8258] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8255] <... futex resumed>) = 0 [pid 8255] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8255] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8258] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8258] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8255] <... futex resumed>) = 0 [pid 8255] exit_group(0) = ? [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./171/binderfs", [pid 5053] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8258] +++ exited with 0 +++ [pid 8255] +++ exited with 0 +++ [pid 8253] <... mount resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... openat resumed>) = 4 [pid 8253] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] unlink("./171/binderfs" [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8255, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- [pid 5053] newfstatat(4, "", [pid 8253] <... openat resumed>) = 3 [pid 5055] <... unlink resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8253] chdir("./file0" [pid 5055] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] getdents64(4, [pid 8253] <... chdir resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8253] ioctl(4, LOOP_CLR_FD [pid 5053] getdents64(4, [pid 8253] <... ioctl resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [ 290.254621][ T8259] REISERFS (device loop0): checking transaction log (loop0) [ 290.254668][ T8253] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 290.276442][ T29] audit: type=1800 audit(1698988434.974:1044): pid=8258 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 8253] close(4 [pid 5053] close(4 [pid 8253] <... close resumed>) = 0 [pid 5054] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./173/file0" [pid 8253] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... rmdir resumed>) = 0 [pid 8253] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] getdents64(3, [pid 8253] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8251] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8251] <... futex resumed>) = 0 [pid 5053] close(3 [pid 8253] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8251] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8253] <... open resumed>) = 4 [pid 5054] <... openat resumed>) = 3 [pid 5053] <... close resumed>) = 0 [pid 8253] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(3, "", [pid 5053] rmdir("./173" [pid 8253] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 8253] ftruncate(4, 33587195 [pid 8251] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... rmdir resumed>) = 0 [pid 8251] <... futex resumed>) = 0 [pid 5053] mkdir("./174", 0777 [pid 8251] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... mkdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 8253] <... ftruncate resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8253] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8253] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] close(3 [pid 8253] creat("./bus", 040 [pid 8251] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8253] <... creat resumed>) = 5 [pid 8251] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./171/binderfs", [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8251] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./171/binderfs" [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8266 [pid 5055] newfstatat(AT_FDCWD, "./171/file0", [pid 5054] <... unlink resumed>) = 0 [pid 8253] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8259] <... mount resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8253] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 8251] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8251] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8253] mkdirat(AT_FDCWD, "./file0", 000 [pid 8251] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8253] <... mkdirat resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 8259] <... openat resumed>) = 3 [pid 5055] newfstatat(4, "", [pid 8259] chdir("./file0" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8259] <... chdir resumed>) = 0 [pid 5055] getdents64(4, [pid 8259] ioctl(4, LOOP_CLR_FD [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [ 290.323503][ T8259] REISERFS (device loop0): Using tea hash to sort names [ 290.335417][ T8259] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 290.340572][ T29] audit: type=1800 audit(1698988435.094:1045): pid=8253 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 8259] <... ioctl resumed>) = 0 [pid 8253] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 8259] close(4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8266 attached [pid 8259] <... close resumed>) = 0 [pid 5055] close(4 [pid 8266] set_robust_list(0x55555656d6a0, 24 [pid 8259] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8266] <... set_robust_list resumed>) = 0 [pid 8259] <... futex resumed>) = 1 [pid 5055] <... close resumed>) = 0 [pid 8259] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] rmdir("./171/file0" [pid 8266] chdir("./174" [pid 8256] <... futex resumed>) = 0 [pid 8266] <... chdir resumed>) = 0 [pid 8256] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] <... futex resumed>) = 1 [pid 8251] <... futex resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8259] <... futex resumed>) = 0 [pid 8256] <... futex resumed>) = 1 [pid 8253] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8266] <... prctl resumed>) = 0 [pid 8259] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8266] setpgid(0, 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8266] <... setpgid resumed>) = 0 [pid 8259] <... open resumed>) = 4 [pid 5055] close(3 [pid 8256] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8251] exit_group(0 [pid 8266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8253] <... futex resumed>) = ? [pid 8251] <... exit_group resumed>) = ? [pid 5055] <... close resumed>) = 0 [pid 8266] <... openat resumed>) = 3 [pid 8259] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] rmdir("./171" [pid 8259] <... futex resumed>) = 1 [pid 5055] <... rmdir resumed>) = 0 [pid 8266] write(3, "1000", 4 [pid 8259] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] <... futex resumed>) = 0 [pid 8259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8256] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8266] <... write resumed>) = 4 [pid 8259] ftruncate(4, 33587195 [pid 8266] close(3 [pid 5055] mkdir("./172", 0777 [pid 8266] <... close resumed>) = 0 [pid 8256] <... futex resumed>) = 0 [pid 8266] symlink("/dev/binderfs", "./binderfs" [pid 8256] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8266] <... symlink resumed>) = 0 [pid 8259] <... ftruncate resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 8266] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8266] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8266] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8266] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8266] <... mprotect resumed>) = 0 [pid 8259] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 8266] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8259] <... futex resumed>) = 1 [pid 8256] <... futex resumed>) = 0 [pid 8259] creat("./bus", 040 [pid 8256] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8253] +++ exited with 0 +++ [pid 8251] +++ exited with 0 +++ [pid 8266] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8266] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8259] <... creat resumed>) = 5 [pid 8256] <... futex resumed>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8251, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5055] <... ioctl resumed>) = 0 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 8256] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... restart_syscall resumed>) = 0 [pid 5056] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8267 attached [pid 8266] <... clone3 resumed> => {parent_tid=[8267]}, 88) = 8267 [pid 5056] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] close(3 [pid 8267] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8266] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... openat resumed>) = 3 [pid 5055] <... close resumed>) = 0 [pid 8267] <... rseq resumed>) = 0 [pid 8266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] newfstatat(3, "", [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8267] set_robust_list(0x7f8728ba99a0, 24 [pid 8266] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8267] <... set_robust_list resumed>) = 0 [pid 8266] <... futex resumed>) = 0 [pid 8259] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(3, [pid 8267] rt_sigprocmask(SIG_SETMASK, [], [pid 8266] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8259] <... futex resumed>) = 1 [pid 8256] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8267] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8259] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8256] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8268 attached [pid 8267] memfd_create("syzkaller", 0 [pid 8259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8268] set_robust_list(0x55555656d6a0, 24 [pid 8267] <... memfd_create resumed>) = 3 [pid 8259] mkdirat(AT_FDCWD, "./file0", 000 [pid 8256] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./173/binderfs", [pid 8268] <... set_robust_list resumed>) = 0 [pid 8267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8259] <... mkdirat resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8268 [pid 8268] chdir("./172" [pid 8267] <... mmap resumed>) = 0x7f8720789000 [pid 8256] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] unlink("./173/binderfs" [pid 8268] <... chdir resumed>) = 0 [pid 8259] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... unlink resumed>) = 0 [pid 8268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8259] <... futex resumed>) = 1 [pid 5056] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8259] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8268] <... prctl resumed>) = 0 [pid 8268] setpgid(0, 0) = 0 [pid 8268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8268] write(3, "1000", 4) = 4 [pid 8256] <... futex resumed>) = 0 [pid 8268] close(3) = 0 [pid 8268] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8256] exit_group(0 [pid 8268] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8259] <... futex resumed>) = ? [pid 8256] <... exit_group resumed>) = ? [pid 8268] <... futex resumed>) = 0 [pid 8259] +++ exited with 0 +++ [pid 8268] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8256] +++ exited with 0 +++ [pid 8268] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8256, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [ 290.484650][ T29] audit: type=1800 audit(1698988435.174:1046): pid=8259 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 8268] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8268] <... mprotect resumed>) = 0 [pid 8268] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8268] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8268] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... openat resumed>) = 3 [pid 5051] newfstatat(3, "", [pid 8268] <... clone3 resumed> => {parent_tid=[8269]}, 88) = 8269 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 8269 attached [pid 8268] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(3, [pid 8269] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8268] <... futex resumed>) = 0 [pid 8269] <... rseq resumed>) = 0 [pid 8268] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8269] set_robust_list(0x7f8728ba99a0, 24 [pid 5051] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8269] <... set_robust_list resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8269] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] newfstatat(AT_FDCWD, "./177/binderfs", [pid 8269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8269] memfd_create("syzkaller", 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./177/binderfs" [pid 8269] <... memfd_create resumed>) = 3 [pid 8269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8267] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5052] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./174/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, [pid 8269] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./174/file0") = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 5052] rmdir("./174") = 0 [pid 5052] mkdir("./175", 0777) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3 [pid 5056] <... umount2 resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8270 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 8270 attached [pid 5056] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8270] set_robust_list(0x55555656d6a0, 24 [pid 5054] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8270] <... set_robust_list resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8270] chdir("./175" [pid 5054] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8270] <... chdir resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 8270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] newfstatat(4, "", [pid 8270] <... prctl resumed>) = 0 [pid 8270] setpgid(0, 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8270] <... setpgid resumed>) = 0 [pid 8270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] newfstatat(AT_FDCWD, "./173/file0", [pid 5054] getdents64(4, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8270] <... openat resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 8270] write(3, "1000", 4 [pid 5056] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] close(4 [pid 8270] <... write resumed>) = 4 [pid 8270] close(3 [pid 5054] <... close resumed>) = 0 [pid 8270] <... close resumed>) = 0 [pid 8270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8267] <... write resumed>) = 4194304 [pid 5056] <... openat resumed>) = 4 [pid 5054] rmdir("./171/file0" [pid 8270] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8270] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8270] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 8270] <... mmap resumed>) = 0x7f8728b89000 [pid 8270] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] getdents64(4, [pid 8270] <... mprotect resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4 [pid 8270] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... close resumed>) = 0 [pid 8270] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] rmdir("./173/file0" [pid 8270] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, ./strace-static-x86_64: Process 8271 attached [pid 8270] <... clone3 resumed> => {parent_tid=[8271]}, 88) = 8271 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8271] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5056] close(3 [pid 8271] <... rseq resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 8271] set_robust_list(0x7f8728ba99a0, 24 [pid 8270] rt_sigprocmask(SIG_SETMASK, [], [pid 8269] <... write resumed>) = 4194304 [pid 8267] munmap(0x7f8720789000, 138412032 [pid 5056] rmdir("./173" [pid 5054] getdents64(3, [pid 8271] <... set_robust_list resumed>) = 0 [pid 8269] munmap(0x7f8720789000, 138412032 [pid 5056] <... rmdir resumed>) = 0 [pid 8271] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] mkdir("./174", 0777 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5054] close(3 [pid 8271] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5054] <... close resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 8270] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] rmdir("./171" [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] <... rmdir resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8272 ./strace-static-x86_64: Process 8272 attached [pid 8272] set_robust_list(0x55555656d6a0, 24 [pid 8267] <... munmap resumed>) = 0 [pid 8272] <... set_robust_list resumed>) = 0 [pid 8272] chdir("./174" [pid 8271] <... futex resumed>) = 0 [pid 8270] <... futex resumed>) = 1 [pid 8269] <... munmap resumed>) = 0 [pid 5054] mkdir("./172", 0777 [pid 8272] <... chdir resumed>) = 0 [pid 8271] memfd_create("syzkaller", 0 [pid 8270] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8269] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8267] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8271] <... memfd_create resumed>) = 3 [pid 8269] <... openat resumed>) = 4 [pid 8272] <... prctl resumed>) = 0 [pid 8271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8269] ioctl(4, LOOP_SET_FD, 3 [pid 8267] <... openat resumed>) = 4 [pid 8272] setpgid(0, 0 [pid 8271] <... mmap resumed>) = 0x7f8720789000 [pid 8272] <... setpgid resumed>) = 0 [pid 8272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... umount2 resumed>) = 0 [pid 8272] <... openat resumed>) = 3 [pid 8272] write(3, "1000", 4) = 4 [pid 8272] close(3) = 0 [pid 8272] symlink("/dev/binderfs", "./binderfs" [pid 5051] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./177/file0", [pid 8272] <... symlink resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8267] ioctl(4, LOOP_SET_FD, 3 [pid 5051] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... mkdir resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5051] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] <... openat resumed>) = 3 [pid 5051] <... openat resumed>) = 4 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5051] newfstatat(4, "", [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] close(3 [pid 5051] getdents64(4, [pid 5054] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./177/file0") = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8273 [pid 5051] close(3./strace-static-x86_64: Process 8273 attached [pid 8269] <... ioctl resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 8273] set_robust_list(0x55555656d6a0, 24 [pid 8272] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8269] close(3 [pid 5051] rmdir("./177" [pid 8273] <... set_robust_list resumed>) = 0 [pid 8272] <... futex resumed>) = 0 [pid 8269] <... close resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 8269] mkdir("./file0", 0777 [pid 5051] mkdir("./178", 0777 [pid 8269] <... mkdir resumed>) = 0 [pid 8267] <... ioctl resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 8267] close(3) = 0 [pid 8267] mkdir("./file0", 0777 [pid 8273] chdir("./172" [pid 8272] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8272] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8269] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8267] <... mkdir resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8273] <... chdir resumed>) = 0 [pid 8272] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] close(3 [pid 8273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8272] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] <... close resumed>) = 0 [pid 8273] <... prctl resumed>) = 0 [pid 8272] <... mprotect resumed>) = 0 [pid 8267] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8273] setpgid(0, 0 [pid 8272] rt_sigprocmask(SIG_BLOCK, ~[], [ 290.827419][ T8269] loop4: detected capacity change from 0 to 8192 [ 290.844499][ T8267] loop2: detected capacity change from 0 to 8192 [pid 8273] <... setpgid resumed>) = 0 [pid 8272] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8276 [pid 8273] <... openat resumed>) = 3 [pid 8272] <... clone3 resumed> => {parent_tid=[8277]}, 88) = 8277 [pid 8273] write(3, "1000", 4 [pid 8272] rt_sigprocmask(SIG_SETMASK, [], [pid 8273] <... write resumed>) = 4 [pid 8272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8273] close(3 [pid 8272] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8273] <... close resumed>) = 0 [pid 8272] <... futex resumed>) = 0 [pid 8273] symlink("/dev/binderfs", "./binderfs" [pid 8272] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8273] <... symlink resumed>) = 0 [pid 8273] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8273] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8273] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 8277 attached ./strace-static-x86_64: Process 8276 attached [pid 8277] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8276] set_robust_list(0x55555656d6a0, 24 [pid 8273] <... mmap resumed>) = 0x7f8728b89000 [pid 8273] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8271] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8277] <... rseq resumed>) = 0 [pid 8276] <... set_robust_list resumed>) = 0 [pid 8277] set_robust_list(0x7f8728ba99a0, 24 [pid 8276] chdir("./178" [pid 8273] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 290.878569][ T8267] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 290.892743][ T8269] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8273] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8278]}, 88) = 8278 ./strace-static-x86_64: Process 8278 attached [pid 8273] rt_sigprocmask(SIG_SETMASK, [], [pid 8278] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8278] <... rseq resumed>) = 0 [pid 8273] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8278] set_robust_list(0x7f8728ba99a0, 24 [pid 8273] <... futex resumed>) = 0 [pid 8278] <... set_robust_list resumed>) = 0 [pid 8273] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8278] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8278] memfd_create("syzkaller", 0 [pid 8277] <... set_robust_list resumed>) = 0 [pid 8276] <... chdir resumed>) = 0 [pid 8278] <... memfd_create resumed>) = 3 [pid 8278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8277] rt_sigprocmask(SIG_SETMASK, [], [pid 8276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8278] <... mmap resumed>) = 0x7f8720789000 [pid 8277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8276] <... prctl resumed>) = 0 [pid 8277] memfd_create("syzkaller", 0 [pid 8276] setpgid(0, 0 [pid 8277] <... memfd_create resumed>) = 3 [pid 8276] <... setpgid resumed>) = 0 [pid 8277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8277] <... mmap resumed>) = 0x7f8720789000 [ 290.923685][ T8269] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 290.934237][ T8267] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 290.946398][ T8267] REISERFS (device loop2): using ordered data mode [ 290.953028][ T8267] reiserfs: using flush barriers [ 290.959042][ T8269] REISERFS (device loop4): using ordered data mode [ 290.966016][ T8269] reiserfs: using flush barriers [pid 8276] <... openat resumed>) = 3 [pid 8278] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8276] write(3, "1000", 4) = 4 [pid 8276] close(3) = 0 [pid 8276] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8276] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8276] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [ 290.988918][ T8269] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8271] <... write resumed>) = 4194304 [pid 8271] munmap(0x7f8720789000, 138412032 [pid 8276] <... mmap resumed>) = 0x7f8728b89000 [pid 8276] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8277] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8271] <... munmap resumed>) = 0 [pid 8276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8279]}, 88) = 8279 [pid 8276] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8279 attached NULL, 8) = 0 [pid 8279] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8276] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] <... rseq resumed>) = 0 [pid 8276] <... futex resumed>) = 0 [pid 8279] set_robust_list(0x7f8728ba99a0, 24 [pid 8276] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8279] <... set_robust_list resumed>) = 0 [pid 8279] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8279] memfd_create("syzkaller", 0) = 3 [pid 8271] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8271] <... openat resumed>) = 4 [ 291.029774][ T8267] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.049767][ T8269] REISERFS (device loop4): checking transaction log (loop4) [pid 8271] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8271] close(3 [pid 8278] <... write resumed>) = 4194304 [pid 8271] <... close resumed>) = 0 [pid 8278] munmap(0x7f8720789000, 138412032 [pid 8271] mkdir("./file0", 0777 [pid 8278] <... munmap resumed>) = 0 [pid 8271] <... mkdir resumed>) = 0 [ 291.077529][ T8269] REISERFS (device loop4): Using tea hash to sort names [ 291.079739][ T8271] loop1: detected capacity change from 0 to 8192 [ 291.094245][ T8267] REISERFS (device loop2): checking transaction log (loop2) [ 291.103401][ T8269] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8278] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8271] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8279] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8278] ioctl(4, LOOP_SET_FD, 3 [pid 8269] <... mount resumed>) = 0 [pid 8269] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8269] chdir("./file0") = 0 [pid 8269] ioctl(4, LOOP_CLR_FD) = 0 [pid 8269] close(4 [pid 8278] <... ioctl resumed>) = 0 [pid 8277] <... write resumed>) = 4194304 [pid 8269] <... close resumed>) = 0 [pid 8267] <... mount resumed>) = 0 [pid 8278] close(3 [pid 8277] munmap(0x7f8720789000, 138412032 [pid 8269] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8278] <... close resumed>) = 0 [pid 8277] <... munmap resumed>) = 0 [pid 8269] <... futex resumed>) = 1 [pid 8268] <... futex resumed>) = 0 [pid 8267] <... openat resumed>) = 3 [pid 8278] mkdir("./file0", 0777 [pid 8277] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8269] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8268] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] chdir("./file0" [pid 8269] <... open resumed>) = 4 [pid 8268] <... futex resumed>) = 0 [pid 8269] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8268] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8278] <... mkdir resumed>) = 0 [pid 8269] <... futex resumed>) = 0 [ 291.124497][ T8267] REISERFS (device loop2): Using tea hash to sort names [ 291.131924][ T8267] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 291.143917][ T8278] loop3: detected capacity change from 0 to 8192 [ 291.164758][ T8271] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8269] ftruncate(4, 33587195 [pid 8268] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] <... write resumed>) = 4194304 [pid 8278] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8277] <... openat resumed>) = 4 [pid 8269] <... ftruncate resumed>) = 0 [pid 8267] <... chdir resumed>) = 0 [pid 8269] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8268] <... futex resumed>) = 0 [pid 8269] <... futex resumed>) = 0 [pid 8268] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8269] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8268] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8269] creat("./bus", 040 [pid 8268] <... futex resumed>) = 0 [pid 8279] munmap(0x7f8720789000, 138412032 [pid 8277] ioctl(4, LOOP_SET_FD, 3 [pid 8269] <... creat resumed>) = 5 [pid 8268] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8267] ioctl(4, LOOP_CLR_FD [pid 8269] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8268] <... futex resumed>) = 0 [pid 8268] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8268] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8269] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8269] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8268] <... futex resumed>) = 0 [pid 8268] exit_group(0) = ? [pid 8267] <... ioctl resumed>) = 0 [pid 8269] +++ exited with 0 +++ [pid 8268] +++ exited with 0 +++ [ 291.197166][ T29] audit: type=1800 audit(1698988435.954:1047): pid=8269 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 291.205075][ T8271] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 291.230497][ T8271] REISERFS (device loop1): using ordered data mode [ 291.238312][ T8277] loop5: detected capacity change from 0 to 8192 [pid 8279] <... munmap resumed>) = 0 [pid 8277] <... ioctl resumed>) = 0 [pid 8267] close(4 [pid 8279] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8277] close(3 [pid 8267] <... close resumed>) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8268, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 8267] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8267] <... futex resumed>) = 1 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8267] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [ 291.242577][ T8271] reiserfs: using flush barriers [ 291.250471][ T8278] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.252282][ T8271] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.280767][ T8271] REISERFS (device loop1): checking transaction log (loop1) [ 291.286543][ T8278] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5055] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8279] <... openat resumed>) = 4 [pid 8277] <... close resumed>) = 0 [pid 8266] <... futex resumed>) = 0 [pid 8277] mkdir("./file0", 0777) = 0 [pid 8266] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8266] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8279] ioctl(4, LOOP_SET_FD, 3 [pid 8267] <... futex resumed>) = 0 [pid 8279] <... ioctl resumed>) = 0 [pid 8277] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8271] <... mount resumed>) = 0 [pid 8267] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8279] close(3 [pid 8271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8267] <... open resumed>) = 4 [pid 5055] newfstatat(AT_FDCWD, "./172/binderfs", [pid 8279] <... close resumed>) = 0 [pid 8271] <... openat resumed>) = 3 [pid 8267] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8279] mkdir("./file0", 0777 [pid 8271] chdir("./file0" [pid 8267] <... futex resumed>) = 1 [pid 8266] <... futex resumed>) = 0 [pid 5055] unlink("./172/binderfs" [pid 8279] <... mkdir resumed>) = 0 [pid 8271] <... chdir resumed>) = 0 [pid 8267] ftruncate(4, 33587195 [pid 8266] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8271] ioctl(4, LOOP_CLR_FD [pid 8266] <... futex resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 8271] <... ioctl resumed>) = 0 [pid 8267] <... ftruncate resumed>) = 0 [pid 8266] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8267] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8267] <... futex resumed>) = 1 [pid 8266] <... futex resumed>) = 0 [pid 8267] creat("./bus", 040 [pid 8266] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] <... creat resumed>) = 5 [ 291.289556][ T8271] REISERFS (device loop1): Using tea hash to sort names [ 291.303037][ T8279] loop0: detected capacity change from 0 to 8192 [ 291.311662][ T8271] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 291.314454][ T8278] REISERFS (device loop3): using ordered data mode [pid 8266] <... futex resumed>) = 0 [pid 8266] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8271] close(4 [pid 8267] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8266] <... futex resumed>) = 0 [pid 8266] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8266] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8267] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8267] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8266] <... futex resumed>) = 0 [pid 8266] exit_group(0) = ? [pid 8271] <... close resumed>) = 0 [pid 8271] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8267] +++ exited with 0 +++ [pid 8266] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8266, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5053] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./174/binderfs" [pid 8271] <... futex resumed>) = 1 [pid 8270] <... futex resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5053] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8271] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8270] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8270] <... futex resumed>) = 0 [pid 8271] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [ 291.339633][ T8277] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.353115][ T8279] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 291.367253][ T8278] reiserfs: using flush barriers [ 291.375410][ T8277] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 8270] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8271] <... open resumed>) = 4 [pid 8271] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8270] <... futex resumed>) = 0 [pid 8271] ftruncate(4, 33587195 [pid 8270] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8271] <... ftruncate resumed>) = 0 [pid 8270] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8271] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8270] <... futex resumed>) = 0 [pid 8270] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8270] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 291.392465][ T8279] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 291.398284][ T8278] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.403068][ T8279] REISERFS (device loop0): using ordered data mode [ 291.424348][ T8279] reiserfs: using flush barriers [ 291.431499][ T8277] REISERFS (device loop5): using ordered data mode [ 291.439086][ T8277] reiserfs: using flush barriers [pid 8271] creat("./bus", 040) = 5 [pid 8271] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 291.441510][ T8279] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.455548][ T8278] REISERFS (device loop3): checking transaction log (loop3) [ 291.461369][ T8277] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 291.468405][ T8279] REISERFS (device loop0): checking transaction log (loop0) [pid 8271] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8270] <... futex resumed>) = 0 [pid 8270] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8271] <... futex resumed>) = 0 [pid 8271] mkdirat(AT_FDCWD, "./file0", 000 [pid 8278] <... mount resumed>) = 0 [pid 8270] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8278] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8271] <... mkdirat resumed>) = 0 [pid 8271] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8278] <... openat resumed>) = 3 [pid 8271] <... futex resumed>) = 0 [pid 8271] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8278] chdir("./file0") = 0 [pid 8278] ioctl(4, LOOP_CLR_FD [pid 8270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8278] <... ioctl resumed>) = 0 [pid 8270] exit_group(0 [pid 8278] close(4 [pid 8270] <... exit_group resumed>) = ? [ 291.498214][ T8278] REISERFS (device loop3): Using tea hash to sort names [ 291.506564][ T8278] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 291.518436][ T8277] REISERFS (device loop5): checking transaction log (loop5) [ 291.532195][ T8279] REISERFS (device loop0): Using tea hash to sort names [pid 8278] <... close resumed>) = 0 [pid 8271] <... futex resumed>) = ? [pid 8278] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8271] +++ exited with 0 +++ [pid 8270] +++ exited with 0 +++ [pid 8279] <... mount resumed>) = 0 [pid 8278] <... futex resumed>) = 1 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8270, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8278] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8273] <... futex resumed>) = 0 [pid 5052] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8273] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] <... openat resumed>) = 3 [pid 8273] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8279] chdir("./file0" [pid 8278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8273] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8278] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8279] <... chdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8279] ioctl(4, LOOP_CLR_FD) = 0 [pid 8278] <... open resumed>) = 4 [pid 5052] <... openat resumed>) = 3 [pid 5052] newfstatat(3, "", [pid 8279] close(4) = 0 [pid 8278] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8278] <... futex resumed>) = 1 [pid 8273] <... futex resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8273] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./175/binderfs", [pid 8273] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8273] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] unlink("./175/binderfs" [pid 8279] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... unlink resumed>) = 0 [pid 8279] <... futex resumed>) = 1 [pid 8276] <... futex resumed>) = 0 [pid 5052] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8279] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8278] ftruncate(4, 33587195 [pid 8276] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8276] <... futex resumed>) = 0 [pid 8279] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8276] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8279] <... open resumed>) = 4 [ 291.574124][ T8279] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 291.587329][ T8277] REISERFS (device loop5): Using tea hash to sort names [ 291.609088][ T8277] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5053] <... umount2 resumed>) = 0 [pid 8279] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8278] <... ftruncate resumed>) = 0 [pid 8279] <... futex resumed>) = 1 [pid 8276] <... futex resumed>) = 0 [pid 8279] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8278] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8276] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8278] <... futex resumed>) = 1 [pid 8279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8276] <... futex resumed>) = 0 [pid 8273] <... futex resumed>) = 0 [pid 8279] ftruncate(4, 33587195 [pid 8278] creat("./bus", 040 [pid 8276] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8273] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./174/file0", [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8277] <... mount resumed>) = 0 [pid 8273] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8273] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8279] <... ftruncate resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8279] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... openat resumed>) = 4 [pid 8279] <... futex resumed>) = 1 [pid 8277] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8276] <... futex resumed>) = 0 [pid 8277] <... openat resumed>) = 3 [pid 8276] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./174/file0" [pid 8276] <... futex resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 8276] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8277] chdir("./file0" [pid 5053] getdents64(3, [pid 8278] <... creat resumed>) = 5 [pid 8279] creat("./bus", 040 [pid 5055] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8278] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8277] <... chdir resumed>) = 0 [pid 8277] ioctl(4, LOOP_CLR_FD [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8277] <... ioctl resumed>) = 0 [pid 8278] <... futex resumed>) = 1 [pid 5055] newfstatat(AT_FDCWD, "./172/file0", [pid 8278] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8277] close(4 [pid 8273] <... futex resumed>) = 0 [pid 8273] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8277] <... close resumed>) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./174" [pid 8277] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... rmdir resumed>) = 0 [pid 8278] <... futex resumed>) = 0 [pid 8277] <... futex resumed>) = 1 [pid 8273] <... futex resumed>) = 1 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8278] mkdirat(AT_FDCWD, "./file0", 000 [pid 8277] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8273] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8272] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] mkdir("./175", 0777 [pid 8279] <... creat resumed>) = 5 [pid 8278] <... mkdirat resumed>) = 0 [pid 8277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8272] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 4 [pid 5053] <... mkdir resumed>) = 0 [pid 8279] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8277] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5055] newfstatat(4, "", [pid 8279] <... futex resumed>) = 1 [pid 8276] <... futex resumed>) = 0 [pid 8272] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8279] mkdirat(AT_FDCWD, "./file0", 000 [pid 8278] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8277] <... open resumed>) = 4 [pid 8276] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8272] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... openat resumed>) = 3 [pid 8276] <... futex resumed>) = 0 [pid 8279] <... mkdirat resumed>) = 0 [pid 8278] <... futex resumed>) = 1 [pid 8277] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8276] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8273] <... futex resumed>) = 0 [pid 5055] getdents64(4, [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8279] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8278] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8277] <... futex resumed>) = 1 [pid 8276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8272] <... futex resumed>) = 0 [pid 8279] <... futex resumed>) = 0 [pid 8276] exit_group(0 [pid 8273] exit_group(0 [pid 8272] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8277] ftruncate(4, 33587195 [pid 8278] <... futex resumed>) = ? [pid 8276] <... exit_group resumed>) = ? [pid 8273] <... exit_group resumed>) = ? [pid 8272] <... futex resumed>) = 0 [pid 5055] getdents64(4, [pid 8279] +++ exited with 0 +++ [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3 [pid 8276] +++ exited with 0 +++ [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... close resumed>) = 0 [pid 8272] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] close(4) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] rmdir("./172/file0" [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8276, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8284 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8278] +++ exited with 0 +++ [pid 8273] +++ exited with 0 +++ [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8284 attached [pid 8277] <... ftruncate resumed>) = 0 [pid 5055] getdents64(3, [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8273, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5051] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8284] set_robust_list(0x55555656d6a0, 24 [pid 8277] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 8277] <... futex resumed>) = 1 [pid 8272] <... futex resumed>) = 0 [pid 5054] <... restart_syscall resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8277] creat("./bus", 040 [pid 8272] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(3, "", [pid 8284] <... set_robust_list resumed>) = 0 [pid 8277] <... creat resumed>) = 5 [pid 8272] <... futex resumed>) = 0 [pid 5055] close(3) = 0 [pid 5054] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8284] chdir("./175" [pid 8272] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] rmdir("./172" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8284] <... chdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] getdents64(3, [pid 5054] newfstatat(3, "", [pid 5055] <... rmdir resumed>) = 0 [pid 8284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8277] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] mkdir("./173", 0777 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8284] <... prctl resumed>) = 0 [pid 8277] <... futex resumed>) = 1 [pid 8272] <... futex resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8284] setpgid(0, 0 [pid 8272] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] unlink("./172/binderfs" [pid 8272] <... futex resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5054] <... unlink resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8272] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./178/binderfs", [pid 8284] <... setpgid resumed>) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8277] mkdirat(AT_FDCWD, "./file0", 000 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8284] <... openat resumed>) = 3 [pid 8277] <... mkdirat resumed>) = 0 [pid 5055] close(3 [pid 8284] write(3, "1000", 4 [pid 5055] <... close resumed>) = 0 [pid 8284] <... write resumed>) = 4 [pid 8277] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8284] close(3 [pid 8277] <... futex resumed>) = 1 [pid 8272] <... futex resumed>) = 0 [pid 5052] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] unlink("./178/binderfs"./strace-static-x86_64: Process 8285 attached [pid 8284] <... close resumed>) = 0 [pid 8277] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8272] exit_group(0 [pid 8284] symlink("/dev/binderfs", "./binderfs" [pid 8277] <... futex resumed>) = ? [pid 8272] <... exit_group resumed>) = ? [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8285 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8285] set_robust_list(0x55555656d6a0, 24 [pid 8284] <... symlink resumed>) = 0 [pid 8277] +++ exited with 0 +++ [pid 8272] +++ exited with 0 +++ [pid 5052] newfstatat(AT_FDCWD, "./175/file0", [pid 5051] <... unlink resumed>) = 0 [pid 8285] <... set_robust_list resumed>) = 0 [pid 8284] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8285] chdir("./173" [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8272, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8285] <... chdir resumed>) = 0 [pid 8284] <... futex resumed>) = 0 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 5052] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8284] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... restart_syscall resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8285] <... prctl resumed>) = 0 [pid 8284] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5052] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8285] setpgid(0, 0 [pid 8284] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] <... openat resumed>) = 4 [pid 8285] <... setpgid resumed>) = 0 [pid 8284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(4, "", [pid 8285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8284] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8285] <... openat resumed>) = 3 [pid 8284] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... openat resumed>) = 3 [pid 8285] write(3, "1000", 4) = 4 [pid 8284] <... mprotect resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 8285] close(3 [pid 8284] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8285] <... close resumed>) = 0 [pid 8284] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] getdents64(3, [pid 5052] getdents64(4, [pid 8285] symlink("/dev/binderfs", "./binderfs" [pid 8284] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8285] <... symlink resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8285] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8284] <... clone3 resumed> => {parent_tid=[8286]}, 88) = 8286 [pid 5052] getdents64(4, [pid 8284] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] close(4 [pid 8284] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(AT_FDCWD, "./174/binderfs", [pid 5052] <... close resumed>) = 0 ./strace-static-x86_64: Process 8286 attached [pid 8284] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] rmdir("./175/file0" [pid 8285] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8284] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] unlink("./174/binderfs" [pid 5052] <... rmdir resumed>) = 0 [pid 8285] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 8286] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(3, [pid 8286] <... rseq resumed>) = 0 [pid 8285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8286] set_robust_list(0x7f8728ba99a0, 24 [pid 8285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8286] <... set_robust_list resumed>) = 0 [pid 5052] close(3 [pid 8286] rt_sigprocmask(SIG_SETMASK, [], [pid 8285] <... mmap resumed>) = 0x7f8728b89000 [pid 8286] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... close resumed>) = 0 [pid 8286] memfd_create("syzkaller", 0 [pid 5052] rmdir("./175" [pid 8286] <... memfd_create resumed>) = 3 [pid 8285] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] <... rmdir resumed>) = 0 [pid 8286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8285] <... mprotect resumed>) = 0 [pid 5052] mkdir("./176", 0777 [pid 8286] <... mmap resumed>) = 0x7f8720789000 [pid 8285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] <... mkdir resumed>) = 0 [pid 8285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8287 attached [pid 8285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8287] set_robust_list(0x55555656d6a0, 24 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8287 [pid 8287] <... set_robust_list resumed>) = 0 [pid 8285] <... clone3 resumed> => {parent_tid=[8288]}, 88) = 8288 ./strace-static-x86_64: Process 8288 attached [pid 8287] chdir("./176" [pid 8285] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... umount2 resumed>) = 0 [pid 5056] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8288] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8287] <... chdir resumed>) = 0 [pid 8285] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8288] <... rseq resumed>) = 0 [pid 8287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8285] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(AT_FDCWD, "./174/file0", [pid 8285] <... futex resumed>) = 0 [pid 8287] <... prctl resumed>) = 0 [pid 8285] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8287] setpgid(0, 0 [pid 8288] set_robust_list(0x7f8728ba99a0, 24 [pid 8287] <... setpgid resumed>) = 0 [pid 8288] <... set_robust_list resumed>) = 0 [pid 8287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./174/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8288] rt_sigprocmask(SIG_SETMASK, [], [pid 8287] <... openat resumed>) = 3 [pid 5056] close(3 [pid 8288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8287] write(3, "1000", 4 [pid 5056] <... close resumed>) = 0 [pid 8288] memfd_create("syzkaller", 0 [pid 8287] <... write resumed>) = 4 [pid 8286] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] rmdir("./174" [pid 8288] <... memfd_create resumed>) = 3 [pid 8287] close(3 [pid 5056] <... rmdir resumed>) = 0 [pid 8288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8287] <... close resumed>) = 0 [pid 5056] mkdir("./175", 0777 [pid 8288] <... mmap resumed>) = 0x7f8720789000 [pid 8287] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... mkdir resumed>) = 0 [pid 8287] <... symlink resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8287] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 8287] <... futex resumed>) = 0 [pid 8287] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8287] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5054] <... umount2 resumed>) = 0 [pid 8287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8287] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 5051] <... umount2 resumed>) = 0 [pid 8287] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... close resumed>) = 0 [pid 5054] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8289 attached [pid 8287] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8289 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8287] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] newfstatat(AT_FDCWD, "./172/file0", ./strace-static-x86_64: Process 8290 attached [pid 8289] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8290] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5054] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./178/file0", [pid 8290] <... rseq resumed>) = 0 [pid 8287] <... clone3 resumed> => {parent_tid=[8290]}, 88) = 8290 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8290] set_robust_list(0x7f8728ba99a0, 24 [pid 8287] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8290] <... set_robust_list resumed>) = 0 [pid 8287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8290] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... openat resumed>) = 4 [pid 8290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8289] <... set_robust_list resumed>) = 0 [pid 8287] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8290] memfd_create("syzkaller", 0 [pid 8289] chdir("./175") = 0 [pid 8289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8290] <... memfd_create resumed>) = 3 [pid 8289] <... prctl resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 5054] newfstatat(4, "", [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8289] setpgid(0, 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8290] <... mmap resumed>) = 0x7f8720789000 [pid 8289] <... setpgid resumed>) = 0 [pid 8287] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8289] write(3, "1000", 4) = 4 [pid 8289] close(3) = 0 [pid 8289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] <... openat resumed>) = 4 [pid 5051] newfstatat(4, "", [pid 8289] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8289] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8289] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8289] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] getdents64(4, [pid 5051] getdents64(4, ./strace-static-x86_64: Process 8291 attached [pid 8291] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8289] <... clone3 resumed> => {parent_tid=[8291]}, 88) = 8291 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8291] <... rseq resumed>) = 0 [pid 8289] rt_sigprocmask(SIG_SETMASK, [], [pid 8291] set_robust_list(0x7f8728ba99a0, 24 [pid 8289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8291] <... set_robust_list resumed>) = 0 [pid 8289] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(4, [pid 8291] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8289] <... futex resumed>) = 0 [pid 8288] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] getdents64(4, [pid 5051] close(4 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8291] memfd_create("syzkaller", 0 [pid 8289] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./178/file0" [pid 8291] <... memfd_create resumed>) = 3 [pid 8291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] close(4 [pid 5051] <... rmdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5051] getdents64(3, [pid 5054] rmdir("./172/file0" [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] rmdir("./178") = 0 [pid 5051] mkdir("./179", 0777) = 0 [pid 5054] getdents64(3, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./172" [pid 5051] <... openat resumed>) = 3 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5054] mkdir("./173", 0777 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8286] <... write resumed>) = 4194304 [pid 5054] <... mkdir resumed>) = 0 [pid 5051] close(3 [pid 8286] munmap(0x7f8720789000, 138412032) = 0 [pid 8291] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5051] <... close resumed>) = 0 [pid 8286] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5054] <... openat resumed>) = 3 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8286] <... openat resumed>) = 4 ./strace-static-x86_64: Process 8292 attached [pid 8288] <... write resumed>) = 4194304 [pid 8286] ioctl(4, LOOP_SET_FD, 3 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8292] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8292 [pid 5054] close(3 [pid 8292] <... set_robust_list resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 8292] chdir("./179" [pid 8290] <... write resumed>) = 4194304 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8292] <... chdir resumed>) = 0 [pid 8290] munmap(0x7f8720789000, 138412032 [pid 8288] munmap(0x7f8720789000, 138412032 [pid 8292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8288] <... munmap resumed>) = 0 [pid 8292] <... prctl resumed>) = 0 [pid 8292] setpgid(0, 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8293 ./strace-static-x86_64: Process 8293 attached [pid 8292] <... setpgid resumed>) = 0 [pid 8290] <... munmap resumed>) = 0 [pid 8288] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8290] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8288] <... openat resumed>) = 4 [pid 8286] <... ioctl resumed>) = 0 [pid 8293] set_robust_list(0x55555656d6a0, 24 [pid 8292] <... openat resumed>) = 3 [pid 8290] <... openat resumed>) = 4 [pid 8288] ioctl(4, LOOP_SET_FD, 3 [pid 8293] <... set_robust_list resumed>) = 0 [pid 8292] write(3, "1000", 4 [pid 8290] ioctl(4, LOOP_SET_FD, 3 [pid 8292] <... write resumed>) = 4 [pid 8286] close(3) = 0 [pid 8286] mkdir("./file0", 0777) = 0 [pid 8286] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8292] close(3 [pid 8293] chdir("./173" [pid 8292] <... close resumed>) = 0 [ 292.150260][ T8286] loop2: detected capacity change from 0 to 8192 [ 292.180807][ T8288] loop4: detected capacity change from 0 to 8192 [ 292.188349][ T8290] loop1: detected capacity change from 0 to 8192 [pid 8293] <... chdir resumed>) = 0 [pid 8292] symlink("/dev/binderfs", "./binderfs" [pid 8290] <... ioctl resumed>) = 0 [pid 8288] <... ioctl resumed>) = 0 [pid 8293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8293] setpgid(0, 0 [pid 8292] <... symlink resumed>) = 0 [pid 8290] close(3 [pid 8288] close(3 [pid 8293] <... setpgid resumed>) = 0 [pid 8292] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... close resumed>) = 0 [pid 8288] <... close resumed>) = 0 [pid 8293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8292] <... futex resumed>) = 0 [pid 8290] mkdir("./file0", 0777 [pid 8288] mkdir("./file0", 0777 [pid 8293] <... openat resumed>) = 3 [pid 8293] write(3, "1000", 4 [pid 8292] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8290] <... mkdir resumed>) = 0 [pid 8288] <... mkdir resumed>) = 0 [pid 8293] <... write resumed>) = 4 [pid 8292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8288] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8293] close(3 [pid 8292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8293] <... close resumed>) = 0 [pid 8293] symlink("/dev/binderfs", "./binderfs" [pid 8292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 292.197334][ T8286] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.212326][ T8286] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 292.224795][ T8286] REISERFS (device loop2): using ordered data mode [ 292.237297][ T8286] reiserfs: using flush barriers [ 292.241457][ T8288] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.244682][ T8290] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.256000][ T8288] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 292.268739][ T8286] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.284229][ T8288] REISERFS (device loop4): using ordered data mode [pid 8290] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8293] <... symlink resumed>) = 0 [pid 8292] <... mmap resumed>) = 0x7f8728b89000 [pid 8291] <... write resumed>) = 4194304 [pid 8292] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8293] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8293] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8293] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8291] munmap(0x7f8720789000, 138412032) = 0 [pid 8293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8291] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8291] <... openat resumed>) = 4 [pid 8292] <... clone3 resumed> => {parent_tid=[8297]}, 88) = 8297 [pid 8291] ioctl(4, LOOP_SET_FD, 3 [pid 8293] <... clone3 resumed> => {parent_tid=[8298]}, 88) = 8298 [pid 8292] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8297 attached [pid 8293] rt_sigprocmask(SIG_SETMASK, [], [pid 8297] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8297] <... rseq resumed>) = 0 [pid 8293] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8292] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8298 attached [pid 8297] set_robust_list(0x7f8728ba99a0, 24 [pid 8293] <... futex resumed>) = 0 [pid 8292] <... futex resumed>) = 0 [pid 8298] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8297] <... set_robust_list resumed>) = 0 [pid 8293] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8298] <... rseq resumed>) = 0 [pid 8297] rt_sigprocmask(SIG_SETMASK, [], [pid 8292] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8298] set_robust_list(0x7f8728ba99a0, 24 [pid 8297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8298] <... set_robust_list resumed>) = 0 [pid 8297] memfd_create("syzkaller", 0 [pid 8298] rt_sigprocmask(SIG_SETMASK, [], [pid 8297] <... memfd_create resumed>) = 3 [pid 8298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8298] memfd_create("syzkaller", 0 [pid 8297] <... mmap resumed>) = 0x7f8720789000 [pid 8298] <... memfd_create resumed>) = 3 [pid 8298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 292.294031][ T8290] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 292.308585][ T8291] loop5: detected capacity change from 0 to 8192 [ 292.309875][ T8290] REISERFS (device loop1): using ordered data mode [ 292.322664][ T8290] reiserfs: using flush barriers [ 292.329620][ T8290] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8291] <... ioctl resumed>) = 0 [pid 8291] close(3) = 0 [pid 8291] mkdir("./file0", 0777) = 0 [ 292.346411][ T8290] REISERFS (device loop1): checking transaction log (loop1) [ 292.354184][ T8288] reiserfs: using flush barriers [ 292.358760][ T8290] REISERFS (device loop1): Using tea hash to sort names [ 292.361735][ T8286] REISERFS (device loop2): checking transaction log (loop2) [ 292.374776][ T8288] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8291] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8298] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8290] <... mount resumed>) = 0 [pid 8290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8290] chdir("./file0") = 0 [ 292.396839][ T8290] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 292.399002][ T8286] REISERFS (device loop2): Using tea hash to sort names [ 292.412986][ T8291] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8290] ioctl(4, LOOP_CLR_FD [pid 8298] <... write resumed>) = 4194304 [ 292.443733][ T8291] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 292.451227][ T8288] REISERFS (device loop4): checking transaction log (loop4) [ 292.453384][ T8286] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 292.461320][ T8291] REISERFS (device loop5): using ordered data mode [ 292.475296][ T8288] REISERFS (device loop4): Using tea hash to sort names [ 292.483524][ T8288] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8298] munmap(0x7f8720789000, 138412032 [pid 8290] <... ioctl resumed>) = 0 [pid 8290] close(4) = 0 [pid 8290] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... munmap resumed>) = 0 [pid 8290] <... futex resumed>) = 1 [pid 8288] <... mount resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8286] <... mount resumed>) = 0 [pid 8298] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8287] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8287] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8298] <... openat resumed>) = 4 [pid 8288] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8290] <... open resumed>) = 4 [pid 8288] <... openat resumed>) = 3 [pid 8286] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8298] ioctl(4, LOOP_SET_FD, 3 [pid 8290] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] chdir("./file0") = 0 [pid 8286] <... openat resumed>) = 3 [pid 8290] <... futex resumed>) = 1 [pid 8290] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8288] ioctl(4, LOOP_CLR_FD [pid 8286] chdir("./file0" [pid 8288] <... ioctl resumed>) = 0 [pid 8286] <... chdir resumed>) = 0 [pid 8288] close(4 [pid 8286] ioctl(4, LOOP_CLR_FD [pid 8288] <... close resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8286] <... ioctl resumed>) = 0 [pid 8288] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8287] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] <... futex resumed>) = 0 [pid 8288] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8287] <... futex resumed>) = 1 [pid 8285] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8287] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8285] <... futex resumed>) = 0 [pid 8290] <... futex resumed>) = 0 [pid 8288] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8286] close(4 [pid 8285] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] ftruncate(4, 33587195 [pid 8288] <... open resumed>) = 4 [pid 8288] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8285] <... futex resumed>) = 0 [ 292.483700][ T8291] reiserfs: using flush barriers [ 292.503245][ T8291] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.523531][ T8291] REISERFS (device loop5): checking transaction log (loop5) [ 292.532429][ T8291] REISERFS (device loop5): Using tea hash to sort names [pid 8288] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8285] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8285] <... futex resumed>) = 0 [pid 8288] ftruncate(4, 33587195 [pid 8285] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] <... ftruncate resumed>) = 0 [pid 8288] <... ftruncate resumed>) = 0 [pid 8286] <... close resumed>) = 0 [pid 8290] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8288] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8287] <... futex resumed>) = 0 [pid 8290] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8288] <... futex resumed>) = 1 [pid 8287] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] <... futex resumed>) = 0 [pid 8290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8288] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8287] <... futex resumed>) = 0 [pid 8286] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... ioctl resumed>) = 0 [pid 8291] <... mount resumed>) = 0 [pid 8290] creat("./bus", 040 [pid 8288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8287] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8286] <... futex resumed>) = 1 [pid 8285] <... futex resumed>) = 0 [pid 8284] <... futex resumed>) = 0 [pid 8298] close(3 [pid 8291] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8290] <... creat resumed>) = 5 [pid 8288] creat("./bus", 040 [pid 8286] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8285] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8284] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... close resumed>) = 0 [pid 8291] <... openat resumed>) = 3 [pid 8290] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] <... creat resumed>) = 5 [pid 8286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8284] <... futex resumed>) = 0 [pid 8298] mkdir("./file0", 0777 [pid 8291] chdir("./file0" [pid 8290] <... futex resumed>) = 1 [pid 8287] <... futex resumed>) = 0 [ 292.540726][ T8291] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 292.550348][ T8298] loop3: detected capacity change from 0 to 8192 [pid 8286] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8284] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8298] <... mkdir resumed>) = 0 [pid 8291] <... chdir resumed>) = 0 [pid 8290] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8287] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8287] <... futex resumed>) = 0 [pid 8291] ioctl(4, LOOP_CLR_FD [pid 8290] mkdirat(AT_FDCWD, "./file0", 000 [pid 8298] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8287] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8286] <... open resumed>) = 4 [pid 8291] <... ioctl resumed>) = 0 [pid 8290] <... mkdirat resumed>) = 0 [pid 8288] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8291] close(4 [pid 8286] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8291] <... close resumed>) = 0 [pid 8286] <... futex resumed>) = 1 [pid 8284] <... futex resumed>) = 0 [pid 8291] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] <... futex resumed>) = 1 [pid 8285] <... futex resumed>) = 0 [pid 8285] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8285] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8290] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8288] mkdirat(AT_FDCWD, "./file0", 000 [pid 8290] <... futex resumed>) = 1 [pid 8288] <... mkdirat resumed>) = 0 [pid 8287] <... futex resumed>) = 0 [pid 8287] exit_group(0) = ? [pid 8288] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8285] <... futex resumed>) = 0 [pid 8285] exit_group(0) = ? [pid 8290] +++ exited with 0 +++ [pid 8288] <... futex resumed>) = ? [pid 8287] +++ exited with 0 +++ [pid 8288] +++ exited with 0 +++ [pid 8285] +++ exited with 0 +++ [pid 8291] <... futex resumed>) = 1 [pid 8289] <... futex resumed>) = 0 [pid 8286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8284] <... futex resumed>) = 0 [pid 8291] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8289] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] ftruncate(4, 33587195 [pid 8284] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8285, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8287, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8291] <... open resumed>) = 4 [pid 8289] <... futex resumed>) = 0 [pid 8286] <... ftruncate resumed>) = 0 [pid 5055] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8291] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8291] <... futex resumed>) = 0 [pid 8289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 292.588842][ T8298] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.619679][ T8298] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 5055] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8291] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8289] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 8297] <... write resumed>) = 4194304 [pid 8286] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8286] <... futex resumed>) = 1 [pid 8284] <... futex resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 8286] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8297] munmap(0x7f8720789000, 138412032 [pid 8291] ftruncate(4, 33587195 [pid 8289] <... futex resumed>) = 0 [pid 8286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8284] <... futex resumed>) = 0 [pid 5055] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8297] <... munmap resumed>) = 0 [pid 8289] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8297] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5052] <... openat resumed>) = 3 [pid 8297] <... openat resumed>) = 4 [pid 5052] newfstatat(3, "", [pid 8297] ioctl(4, LOOP_SET_FD, 3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8291] <... ftruncate resumed>) = 0 [pid 8286] creat("./bus", 040 [pid 8284] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] getdents64(3, [pid 8291] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8291] <... futex resumed>) = 1 [pid 8289] <... futex resumed>) = 0 [pid 5055] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 292.650306][ T8298] REISERFS (device loop3): using ordered data mode [ 292.657636][ T8298] reiserfs: using flush barriers [ 292.673699][ T8298] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.680589][ T8297] loop0: detected capacity change from 0 to 8192 [pid 8291] creat("./bus", 040 [pid 8289] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8291] <... creat resumed>) = 5 [pid 8286] <... creat resumed>) = 5 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8286] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./173/binderfs", [pid 8286] <... futex resumed>) = 1 [pid 8284] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8286] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] unlink("./173/binderfs" [pid 8297] <... ioctl resumed>) = 0 [pid 8291] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8289] <... futex resumed>) = 0 [pid 8286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8284] <... futex resumed>) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./176/binderfs", [pid 8286] mkdirat(AT_FDCWD, "./file0", 000 [pid 8284] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8286] <... mkdirat resumed>) = 0 [pid 8286] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8284] <... futex resumed>) = 0 [pid 8298] <... mount resumed>) = 0 [pid 8297] close(3 [pid 8291] <... futex resumed>) = 0 [pid 8289] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8286] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8284] exit_group(0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8297] <... close resumed>) = 0 [pid 8291] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8286] <... futex resumed>) = ? [pid 8284] <... exit_group resumed>) = ? [pid 5052] unlink("./176/binderfs" [pid 8298] <... openat resumed>) = 3 [pid 8297] mkdir("./file0", 0777 [pid 8289] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8286] +++ exited with 0 +++ [pid 8284] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8284, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5052] <... unlink resumed>) = 0 [pid 8297] <... mkdir resumed>) = 0 [pid 8291] <... futex resumed>) = 0 [pid 8289] <... futex resumed>) = 1 [pid 8298] chdir("./file0" [pid 5052] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8298] <... chdir resumed>) = 0 [pid 8297] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8291] mkdirat(AT_FDCWD, "./file0", 000 [pid 8289] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8298] ioctl(4, LOOP_CLR_FD) = 0 [pid 8291] <... mkdirat resumed>) = 0 [pid 8298] close(4 [pid 5053] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8298] <... close resumed>) = 0 [ 292.704687][ T8298] REISERFS (device loop3): checking transaction log (loop3) [ 292.718633][ T8298] REISERFS (device loop3): Using tea hash to sort names [ 292.726693][ T8298] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8291] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = 0 [pid 8298] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8291] <... futex resumed>) = 1 [pid 8289] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8298] <... futex resumed>) = 1 [pid 8293] <... futex resumed>) = 0 [pid 8291] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8289] exit_group(0 [pid 5053] newfstatat(3, "", [pid 8298] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8293] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8291] <... futex resumed>) = ? [pid 8289] <... exit_group resumed>) = ? [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8293] <... futex resumed>) = 0 [pid 8291] +++ exited with 0 +++ [pid 8289] +++ exited with 0 +++ [pid 5055] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8298] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8293] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] getdents64(3, [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8289, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] newfstatat(AT_FDCWD, "./175/binderfs", [pid 5056] <... openat resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8298] <... open resumed>) = 4 [pid 5056] newfstatat(3, "", [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] unlink("./175/binderfs" [pid 8298] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] newfstatat(AT_FDCWD, "./173/file0", [pid 5053] <... unlink resumed>) = 0 [pid 5056] getdents64(3, [pid 5053] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 292.795253][ T8297] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 292.813179][ T8297] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 292.824850][ T8297] REISERFS (device loop0): using ordered data mode [ 292.832848][ T8297] reiserfs: using flush barriers [pid 8298] <... futex resumed>) = 1 [pid 8293] <... futex resumed>) = 0 [pid 5056] unlink("./175/binderfs" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8298] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8293] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8298] ftruncate(4, 33587195 [pid 8293] <... futex resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8293] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./173/file0") = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5055] rmdir("./173") = 0 [pid 5055] mkdir("./174", 0777) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8302 attached , child_tidptr=0x55555656d690) = 8302 [pid 8302] set_robust_list(0x55555656d6a0, 24 [pid 8298] <... ftruncate resumed>) = 0 [pid 8302] <... set_robust_list resumed>) = 0 [pid 8302] chdir("./174") = 0 [pid 8298] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8302] setpgid(0, 0) = 0 [pid 8298] <... futex resumed>) = 1 [pid 8293] <... futex resumed>) = 0 [pid 8302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8293] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] creat("./bus", 040 [pid 8293] <... futex resumed>) = 0 [pid 8302] <... openat resumed>) = 3 [pid 8293] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8302] write(3, "1000", 4) = 4 [pid 8302] close(3) = 0 [pid 8302] symlink("/dev/binderfs", "./binderfs") = 0 [ 292.842929][ T8297] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 292.866835][ T8297] REISERFS (device loop0): checking transaction log (loop0) [ 292.878314][ T8297] REISERFS (device loop0): Using tea hash to sort names [pid 8302] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8298] <... creat resumed>) = 5 [pid 8302] <... futex resumed>) = 0 [pid 8298] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8293] <... futex resumed>) = 0 [pid 8293] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8293] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8302] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8298] mkdirat(AT_FDCWD, "./file0", 000 [pid 8302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8298] <... mkdirat resumed>) = 0 [pid 8297] <... mount resumed>) = 0 [pid 8302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8298] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8297] <... openat resumed>) = 3 [pid 8302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8297] chdir("./file0" [pid 8302] <... mmap resumed>) = 0x7f8728b89000 [pid 8298] <... futex resumed>) = 1 [pid 8297] <... chdir resumed>) = 0 [pid 8293] <... futex resumed>) = 0 [pid 8302] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8298] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8297] ioctl(4, LOOP_CLR_FD [pid 8293] exit_group(0 [pid 8298] <... futex resumed>) = ? [pid 8297] <... ioctl resumed>) = 0 [pid 8293] <... exit_group resumed>) = ? [pid 8298] +++ exited with 0 +++ [pid 8297] close(4 [pid 8293] +++ exited with 0 +++ [pid 8297] <... close resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8293, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 8302] <... mprotect resumed>) = 0 [pid 8297] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8292] <... futex resumed>) = 0 [pid 8292] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8292] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8297] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] <... openat resumed>) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [ 292.903210][ T8297] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ./strace-static-x86_64: Process 8303 attached [pid 8297] <... open resumed>) = 4 [pid 5054] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./173/binderfs") = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5054] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8302] <... clone3 resumed> => {parent_tid=[8303]}, 88) = 8303 [pid 8303] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8302] rt_sigprocmask(SIG_SETMASK, [], [pid 8297] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8297] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8303] set_robust_list(0x7f8728ba99a0, 24 [pid 8292] <... futex resumed>) = 0 [pid 8292] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8292] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] <... set_robust_list resumed>) = 0 [pid 8302] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8302] <... futex resumed>) = 0 [pid 8297] ftruncate(4, 33587195 [pid 8303] rt_sigprocmask(SIG_SETMASK, [], [pid 8302] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8297] <... ftruncate resumed>) = 0 [pid 5052] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8297] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8292] <... futex resumed>) = 0 [pid 8292] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8292] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8297] creat("./bus", 040 [pid 8303] memfd_create("syzkaller", 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8303] <... memfd_create resumed>) = 3 [pid 8303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5052] newfstatat(AT_FDCWD, "./176/file0", [pid 8303] <... mmap resumed>) = 0x7f8720789000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8297] <... creat resumed>) = 5 [pid 5052] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8297] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8297] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8292] <... futex resumed>) = 0 [pid 8292] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8292] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5052] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", [pid 8297] mkdirat(AT_FDCWD, "./file0", 000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8297] <... mkdirat resumed>) = 0 [pid 8297] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8292] <... futex resumed>) = 0 [pid 8297] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8292] exit_group(0 [pid 8297] <... futex resumed>) = ? [pid 8292] <... exit_group resumed>) = ? [pid 8297] +++ exited with 0 +++ [pid 8292] +++ exited with 0 +++ [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8292, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5052] close(4) = 0 [pid 5051] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] rmdir("./176/file0" [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... rmdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] getdents64(3, [pid 5051] <... openat resumed>) = 3 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(3 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./179/binderfs", [pid 5052] <... close resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./179/binderfs" [pid 5052] rmdir("./176") = 0 [pid 5051] <... unlink resumed>) = 0 [pid 5052] mkdir("./177", 0777 [pid 5051] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... mkdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5053] <... umount2 resumed>) = 0 [pid 5053] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./175/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5053] <... openat resumed>) = 4 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] close(3 [pid 5053] newfstatat(4, "", [pid 5052] <... close resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./175/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8304 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./175"./strace-static-x86_64: Process 8304 attached [pid 5056] <... umount2 resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 8304] set_robust_list(0x55555656d6a0, 24 [pid 8303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8304] <... set_robust_list resumed>) = 0 [pid 5053] mkdir("./176", 0777 [pid 8304] chdir("./177" [pid 5053] <... mkdir resumed>) = 0 [pid 8304] <... chdir resumed>) = 0 [pid 8304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8304] setpgid(0, 0 [pid 5056] newfstatat(AT_FDCWD, "./175/file0", [pid 8304] <... setpgid resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] close(3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8304] <... openat resumed>) = 3 [pid 5056] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8304] write(3, "1000", 4 [pid 5056] <... openat resumed>) = 4 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8304] <... write resumed>) = 4 [pid 8304] close(3 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8305 ./strace-static-x86_64: Process 8305 attached [pid 8305] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8305] chdir("./176") = 0 [pid 8304] <... close resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5051] <... umount2 resumed>) = 0 [pid 8304] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8304] <... symlink resumed>) = 0 [pid 5056] getdents64(4, [pid 8305] <... prctl resumed>) = 0 [pid 8304] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8305] setpgid(0, 0) = 0 [pid 8305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8304] <... futex resumed>) = 0 [pid 5056] getdents64(4, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] newfstatat(AT_FDCWD, "./179/file0", [pid 8304] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8305] write(3, "1000", 4 [pid 8304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8305] <... write resumed>) = 4 [pid 8304] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... openat resumed>) = 4 [pid 8304] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8305] close(3 [pid 8304] <... mprotect resumed>) = 0 [pid 5056] close(4 [pid 5051] newfstatat(4, "", [pid 8305] <... close resumed>) = 0 [pid 8304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... close resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8305] symlink("/dev/binderfs", "./binderfs" [pid 8304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] rmdir("./175/file0" [pid 5051] getdents64(4, [pid 8305] <... symlink resumed>) = 0 [pid 8304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... rmdir resumed>) = 0 [pid 8305] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8305] <... futex resumed>) = 0 [pid 5051] getdents64(4, [pid 8305] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8306 attached [pid 8305] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8304] <... clone3 resumed> => {parent_tid=[8306]}, 88) = 8306 [pid 5056] getdents64(3, [pid 8306] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8305] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] close(4 [pid 8305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8306] <... rseq resumed>) = 0 [pid 8305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5051] <... close resumed>) = 0 [pid 8306] set_robust_list(0x7f8728ba99a0, 24 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8305] <... mmap resumed>) = 0x7f8728b89000 [pid 8305] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8306] <... set_robust_list resumed>) = 0 [pid 8305] <... mprotect resumed>) = 0 [pid 5056] close(3 [pid 5051] rmdir("./179/file0" [pid 5056] <... close resumed>) = 0 [pid 8306] rt_sigprocmask(SIG_SETMASK, [], [pid 8305] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8304] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] rmdir("./175" [pid 5051] <... rmdir resumed>) = 0 [pid 8305] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 8304] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8304] <... futex resumed>) = 0 [pid 8306] memfd_create("syzkaller", 0 [pid 8305] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8304] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] close(3 [pid 5056] mkdir("./176", 0777 [pid 5051] <... close resumed>) = 0 [pid 8306] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 8307 attached [pid 8306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8305] <... clone3 resumed> => {parent_tid=[8307]}, 88) = 8307 [pid 8307] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8306] <... mmap resumed>) = 0x7f8720789000 [pid 8305] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... mkdir resumed>) = 0 [pid 5051] rmdir("./179" [pid 8307] <... rseq resumed>) = 0 [pid 8305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8307] set_robust_list(0x7f8728ba99a0, 24 [pid 8305] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... set_robust_list resumed>) = 0 [pid 8305] <... futex resumed>) = 0 [pid 8307] rt_sigprocmask(SIG_SETMASK, [], [pid 8305] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... rmdir resumed>) = 0 [pid 8307] memfd_create("syzkaller", 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8307] <... memfd_create resumed>) = 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5054] newfstatat(AT_FDCWD, "./173/file0", [pid 8307] <... mmap resumed>) = 0x7f8720789000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] <... openat resumed>) = 3 [pid 5051] mkdir("./180", 0777 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5054] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] <... openat resumed>) = 4 [pid 5051] <... mkdir resumed>) = 0 [pid 5056] close(3 [pid 5054] newfstatat(4, "", [pid 5056] <... close resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./173/file0" [pid 8303] <... write resumed>) = 4194304 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8308 [pid 5054] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8308 attached [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./173" [pid 8308] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8308] <... set_robust_list resumed>) = 0 [pid 5054] mkdir("./174", 0777 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8308] chdir("./176" [pid 5054] <... mkdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8308] <... chdir resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5051] close(3 [pid 8308] <... prctl resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8308] setpgid(0, 0 [pid 5054] close(3 [pid 5051] <... close resumed>) = 0 [pid 8308] <... setpgid resumed>) = 0 [pid 8306] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8303] munmap(0x7f8720789000, 138412032 [pid 5054] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8309 attached [pid 8309] set_robust_list(0x55555656d6a0, 24 [pid 8303] <... munmap resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8309 [pid 8303] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8303] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8310 ./strace-static-x86_64: Process 8310 attached [pid 8310] set_robust_list(0x55555656d6a0, 24 [pid 8308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8310] <... set_robust_list resumed>) = 0 [pid 8308] <... openat resumed>) = 3 [pid 8310] chdir("./174" [pid 8309] <... set_robust_list resumed>) = 0 [pid 8310] <... chdir resumed>) = 0 [pid 8309] chdir("./180" [pid 8308] write(3, "1000", 4 [pid 8310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8309] <... chdir resumed>) = 0 [pid 8310] <... prctl resumed>) = 0 [pid 8309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8308] <... write resumed>) = 4 [pid 8310] setpgid(0, 0 [pid 8309] <... prctl resumed>) = 0 [pid 8308] close(3 [pid 8303] <... ioctl resumed>) = 0 [pid 8310] <... setpgid resumed>) = 0 [pid 8309] setpgid(0, 0 [pid 8310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8309] <... setpgid resumed>) = 0 [pid 8310] <... openat resumed>) = 3 [pid 8310] write(3, "1000", 4) = 4 [pid 8309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8310] close(3) = 0 [pid 8310] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8309] <... openat resumed>) = 3 [pid 8303] close(3 [pid 8310] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] <... close resumed>) = 0 [pid 8307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8303] <... close resumed>) = 0 [pid 8310] <... futex resumed>) = 0 [pid 8309] write(3, "1000", 4 [pid 8303] mkdir("./file0", 0777 [pid 8310] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8308] symlink("/dev/binderfs", "./binderfs" [pid 8310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8308] <... symlink resumed>) = 0 [pid 8310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8303] <... mkdir resumed>) = 0 [pid 8308] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8310] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8309] <... write resumed>) = 4 [pid 8308] <... futex resumed>) = 0 [pid 8303] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8310] <... mprotect resumed>) = 0 [pid 8310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8311 attached [ 293.296894][ T8303] loop4: detected capacity change from 0 to 8192 [pid 8309] close(3 [pid 8308] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8311] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8308] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8309] <... close resumed>) = 0 [pid 8309] symlink("/dev/binderfs", "./binderfs" [pid 8308] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8311] <... rseq resumed>) = 0 [pid 8310] <... clone3 resumed> => {parent_tid=[8311]}, 88) = 8311 [pid 8309] <... symlink resumed>) = 0 [pid 8308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8310] rt_sigprocmask(SIG_SETMASK, [], [pid 8311] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8311] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8309] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8310] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... futex resumed>) = 0 [pid 8310] <... futex resumed>) = 1 [pid 8309] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8308] <... mmap resumed>) = 0x7f8728b89000 [pid 8310] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8309] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8309] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8308] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8311] <... futex resumed>) = 0 [pid 8311] memfd_create("syzkaller", 0 [pid 8309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8308] <... mprotect resumed>) = 0 [pid 8311] <... memfd_create resumed>) = 3 [pid 8309] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8308] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8309] <... mmap resumed>) = 0x7f8728b89000 [pid 8308] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8309] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8308] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8311] <... mmap resumed>) = 0x7f8720789000 [pid 8309] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 8313 attached [pid 8309] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8306] <... write resumed>) = 4194304 [ 293.363988][ T8303] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.403139][ T8303] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 8313] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8309] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8308] <... clone3 resumed> => {parent_tid=[8313]}, 88) = 8313 [pid 8306] munmap(0x7f8720789000, 138412032 [pid 8313] <... rseq resumed>) = 0 [pid 8309] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8308] rt_sigprocmask(SIG_SETMASK, [], [pid 8306] <... munmap resumed>) = 0 [pid 8308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8306] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8308] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8313] set_robust_list(0x7f8728ba99a0, 24 [pid 8311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8309] <... clone3 resumed> => {parent_tid=[8314]}, 88) = 8314 [pid 8308] <... futex resumed>) = 0 [pid 8306] <... openat resumed>) = 4 [pid 8309] rt_sigprocmask(SIG_SETMASK, [], [pid 8308] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8306] ioctl(4, LOOP_SET_FD, 3 [pid 8313] <... set_robust_list resumed>) = 0 [pid 8309] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 8314 attached [pid 8313] rt_sigprocmask(SIG_SETMASK, [], [pid 8309] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8314] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8314] memfd_create("syzkaller", 0) = 3 [pid 8314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8313] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8309] <... futex resumed>) = 0 [pid 8306] <... ioctl resumed>) = 0 [pid 8313] memfd_create("syzkaller", 0 [pid 8309] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8306] close(3 [pid 8313] <... memfd_create resumed>) = 3 [pid 8306] <... close resumed>) = 0 [pid 8306] mkdir("./file0", 0777 [ 293.414007][ T8303] REISERFS (device loop4): using ordered data mode [ 293.420734][ T8303] reiserfs: using flush barriers [ 293.432440][ T8303] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.451239][ T8306] loop1: detected capacity change from 0 to 8192 [pid 8313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8306] <... mkdir resumed>) = 0 [pid 8306] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 293.475605][ T8303] REISERFS (device loop4): checking transaction log (loop4) [ 293.498076][ T8303] REISERFS (device loop4): Using tea hash to sort names [pid 8314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8303] <... mount resumed>) = 0 [pid 8307] <... write resumed>) = 4194304 [pid 8303] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8307] munmap(0x7f8720789000, 138412032 [pid 8303] <... openat resumed>) = 3 [pid 8307] <... munmap resumed>) = 0 [pid 8303] chdir("./file0") = 0 [pid 8303] ioctl(4, LOOP_CLR_FD) = 0 [pid 8303] close(4) = 0 [pid 8313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8303] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 293.513716][ T8306] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.514728][ T8303] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 293.553990][ T8306] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 293.563306][ T8306] REISERFS (device loop1): using ordered data mode [ 293.571063][ T8306] reiserfs: using flush barriers [pid 8303] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8307] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8302] <... futex resumed>) = 0 [pid 8302] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] <... futex resumed>) = 0 [pid 8303] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8307] <... openat resumed>) = 4 [pid 8307] ioctl(4, LOOP_SET_FD, 3 [pid 8303] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8303] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8302] <... futex resumed>) = 0 [pid 8302] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8303] <... futex resumed>) = 0 [pid 8303] ftruncate(4, 33587195) = 0 [pid 8307] <... ioctl resumed>) = 0 [pid 8303] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] <... futex resumed>) = 0 [pid 8303] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8302] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] close(3 [pid 8303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8302] <... futex resumed>) = 0 [pid 8307] <... close resumed>) = 0 [pid 8307] mkdir("./file0", 0777 [pid 8303] creat("./bus", 040 [ 293.580324][ T8307] loop2: detected capacity change from 0 to 8192 [ 293.589054][ T8306] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.620000][ T8306] REISERFS (device loop1): checking transaction log (loop1) [pid 8302] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8311] <... write resumed>) = 4194304 [pid 8307] <... mkdir resumed>) = 0 [pid 8303] <... creat resumed>) = 5 [pid 8311] munmap(0x7f8720789000, 138412032) = 0 [pid 8314] <... write resumed>) = 4194304 [pid 8307] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8303] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8302] <... futex resumed>) = 0 [pid 8302] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8311] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8302] <... futex resumed>) = 0 [pid 8302] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8311] ioctl(4, LOOP_SET_FD, 3 [pid 8303] mkdirat(AT_FDCWD, "./file0", 000 [pid 8314] munmap(0x7f8720789000, 138412032) = 0 [pid 8311] <... ioctl resumed>) = 0 [pid 8306] <... mount resumed>) = 0 [pid 8314] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8311] close(3 [pid 8303] <... mkdirat resumed>) = 0 [pid 8314] <... openat resumed>) = 4 [pid 8311] <... close resumed>) = 0 [pid 8314] ioctl(4, LOOP_SET_FD, 3 [ 293.628837][ T8306] REISERFS (device loop1): Using tea hash to sort names [ 293.639773][ T8306] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 293.652444][ T8311] loop3: detected capacity change from 0 to 8192 [ 293.654195][ T8307] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8311] mkdir("./file0", 0777) = 0 [pid 8311] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8306] chdir("./file0") = 0 [pid 8306] ioctl(4, LOOP_CLR_FD) = 0 [pid 8306] close(4) = 0 [pid 8306] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8304] <... futex resumed>) = 0 [pid 8304] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8304] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8313] <... write resumed>) = 4194304 [pid 8306] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8303] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8314] <... ioctl resumed>) = 0 [pid 8313] munmap(0x7f8720789000, 138412032 [pid 8306] <... open resumed>) = 4 [pid 8303] <... futex resumed>) = 0 [pid 8302] exit_group(0 [pid 8314] close(3 [pid 8306] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] <... close resumed>) = 0 [pid 8306] <... futex resumed>) = 1 [pid 8314] mkdir("./file0", 0777 [pid 8306] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8304] <... futex resumed>) = 0 [pid 8302] <... exit_group resumed>) = ? [ 293.677625][ T8314] loop0: detected capacity change from 0 to 8192 [ 293.696011][ T8311] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.703306][ T8307] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 293.719135][ T8307] REISERFS (device loop2): using ordered data mode [pid 8313] <... munmap resumed>) = 0 [pid 8304] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8303] +++ exited with 0 +++ [pid 8302] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8302, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 8314] <... mkdir resumed>) = 0 [pid 5055] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8306] <... futex resumed>) = 0 [pid 8304] <... futex resumed>) = 1 [pid 5055] newfstatat(3, "", [pid 8314] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8306] ftruncate(4, 33587195 [pid 8304] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8313] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8313] <... openat resumed>) = 4 [pid 5055] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8313] ioctl(4, LOOP_SET_FD, 3 [pid 8306] <... ftruncate resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./174/binderfs") = 0 [pid 5055] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8306] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8304] <... futex resumed>) = 0 [ 293.731131][ T8307] reiserfs: using flush barriers [ 293.743263][ T8307] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.746399][ T8311] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 293.759818][ T8313] loop5: detected capacity change from 0 to 8192 [pid 8306] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8304] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8304] <... futex resumed>) = 0 [pid 8306] creat("./bus", 040 [pid 8304] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8306] <... creat resumed>) = 5 [pid 8306] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8304] <... futex resumed>) = 0 [pid 8306] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8304] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8304] <... futex resumed>) = 0 [pid 8313] <... ioctl resumed>) = 0 [pid 8306] mkdirat(AT_FDCWD, "./file0", 000 [ 293.769759][ T8307] REISERFS (device loop2): checking transaction log (loop2) [pid 8304] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8313] close(3 [pid 8306] <... mkdirat resumed>) = 0 [pid 8313] <... close resumed>) = 0 [pid 8313] mkdir("./file0", 0777) = 0 [pid 8306] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8304] <... futex resumed>) = 0 [pid 8304] exit_group(0) = ? [ 293.805736][ T8307] REISERFS (device loop2): Using tea hash to sort names [ 293.806265][ T8311] REISERFS (device loop3): using ordered data mode [ 293.813406][ T8307] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 293.826414][ T8311] reiserfs: using flush barriers [ 293.829070][ T8314] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.847110][ T8314] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 8313] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8306] +++ exited with 0 +++ [pid 8304] +++ exited with 0 +++ [pid 8307] <... mount resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8304, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5052] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 293.847612][ T8311] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.857319][ T8314] REISERFS (device loop0): using ordered data mode [ 293.880969][ T8313] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 293.896896][ T8311] REISERFS (device loop3): checking transaction log (loop3) [pid 8307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5052] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8307] chdir("./file0") = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8307] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8307] close(4 [pid 5052] <... openat resumed>) = 3 [pid 8307] <... close resumed>) = 0 [pid 8307] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(3, "", [pid 8307] <... futex resumed>) = 1 [pid 8305] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8307] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8305] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8305] <... futex resumed>) = 0 [pid 5052] getdents64(3, [pid 8307] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8305] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [ 293.904649][ T8314] reiserfs: using flush barriers [pid 5052] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8307] <... open resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 293.930323][ T8314] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 293.930464][ T29] kauditd_printk_skb: 13 callbacks suppressed [ 293.930477][ T29] audit: type=1800 audit(1698988438.684:1061): pid=8307 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 293.947626][ T8314] REISERFS (device loop0): checking transaction log (loop0) [pid 5055] <... umount2 resumed>) = 0 [pid 5055] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./174/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8307] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] newfstatat(AT_FDCWD, "./177/binderfs", [pid 8307] <... futex resumed>) = 1 [pid 8305] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8307] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8305] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 8307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8305] <... futex resumed>) = 0 [pid 5055] getdents64(4, [pid 5052] unlink("./177/binderfs" [pid 8307] ftruncate(4, 33587195 [pid 8305] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./174/file0") = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3) = 0 [pid 5055] rmdir("./174") = 0 [pid 5055] mkdir("./175", 0777 [pid 8307] <... ftruncate resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5052] <... unlink resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5052] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8307] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8307] <... futex resumed>) = 1 [pid 8305] <... futex resumed>) = 0 [pid 8307] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8320 [ 293.961158][ T8313] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 293.998638][ T8311] REISERFS (device loop3): Using tea hash to sort names [ 294.010306][ T8314] REISERFS (device loop0): Using tea hash to sort names ./strace-static-x86_64: Process 8320 attached [pid 8305] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] set_robust_list(0x55555656d6a0, 24 [pid 8305] <... futex resumed>) = 1 [pid 8305] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] <... futex resumed>) = 0 [pid 8307] creat("./bus", 040 [pid 8320] <... set_robust_list resumed>) = 0 [pid 8307] <... creat resumed>) = 5 [pid 8320] chdir("./175") = 0 [pid 8307] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8307] <... futex resumed>) = 1 [pid 8307] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8311] <... mount resumed>) = 0 [pid 8311] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 294.031500][ T8311] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 294.050443][ T8314] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 294.055781][ T8313] REISERFS (device loop5): using ordered data mode [pid 8311] chdir("./file0") = 0 [pid 8320] <... prctl resumed>) = 0 [pid 8314] <... mount resumed>) = 0 [pid 8311] ioctl(4, LOOP_CLR_FD [pid 8305] <... futex resumed>) = 0 [pid 8305] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] setpgid(0, 0 [pid 8311] <... ioctl resumed>) = 0 [pid 8307] <... futex resumed>) = 0 [pid 8305] <... futex resumed>) = 1 [pid 8320] <... setpgid resumed>) = 0 [pid 8305] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] mkdirat(AT_FDCWD, "./file0", 000 [pid 8320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8311] close(4 [pid 8307] <... mkdirat resumed>) = 0 [pid 8320] <... openat resumed>) = 3 [pid 8314] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8311] <... close resumed>) = 0 [pid 8320] write(3, "1000", 4 [pid 5052] <... umount2 resumed>) = 0 [pid 8320] <... write resumed>) = 4 [pid 5052] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8320] close(3) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8320] symlink("/dev/binderfs", "./binderfs" [pid 5052] newfstatat(AT_FDCWD, "./177/file0", [pid 8314] <... openat resumed>) = 3 [pid 8311] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8314] chdir("./file0" [pid 8311] <... futex resumed>) = 1 [pid 5052] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8314] <... chdir resumed>) = 0 [pid 8311] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8310] <... futex resumed>) = 0 [pid 8307] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 4 [pid 8314] ioctl(4, LOOP_CLR_FD [pid 8320] <... symlink resumed>) = 0 [pid 8314] <... ioctl resumed>) = 0 [pid 8310] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8307] <... futex resumed>) = 1 [pid 8305] <... futex resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 8320] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] close(4 [pid 8311] <... futex resumed>) = 0 [pid 8310] <... futex resumed>) = 1 [pid 8307] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8305] exit_group(0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8320] <... futex resumed>) = 0 [pid 8314] <... close resumed>) = 0 [pid 8311] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8310] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8307] <... futex resumed>) = ? [pid 8305] <... exit_group resumed>) = ? [pid 5052] getdents64(4, [pid 8320] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [ 294.084352][ T8313] reiserfs: using flush barriers [ 294.097374][ T8313] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8314] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8311] <... open resumed>) = 4 [pid 8307] +++ exited with 0 +++ [pid 8305] +++ exited with 0 +++ [pid 8320] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8314] <... futex resumed>) = 1 [pid 8311] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... futex resumed>) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8305, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8320] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8314] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8311] <... futex resumed>) = 1 [pid 8310] <... futex resumed>) = 0 [pid 8309] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 8320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8310] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] <... futex resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8320] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] close(4 [pid 8320] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8310] <... futex resumed>) = 0 [pid 8309] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 5052] rmdir("./177/file0" [pid 8314] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8311] ftruncate(4, 33587195 [pid 8310] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./176/binderfs") = 0 [pid 5053] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8314] <... open resumed>) = 4 [pid 8314] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8309] <... futex resumed>) = 0 [pid 8314] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8309] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8309] <... futex resumed>) = 0 [pid 8320] <... mprotect resumed>) = 0 [pid 8311] <... ftruncate resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [ 294.145726][ T8313] REISERFS (device loop5): checking transaction log (loop5) [ 294.146077][ T29] audit: type=1800 audit(1698988438.894:1062): pid=8311 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 294.183058][ T8313] REISERFS (device loop5): Using tea hash to sort names [pid 8320] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8314] ftruncate(4, 33587195 [pid 8311] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] getdents64(3, [pid 8320] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8314] <... ftruncate resumed>) = 0 [pid 8311] <... futex resumed>) = 1 [pid 8310] <... futex resumed>) = 0 [pid 8320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8313] <... mount resumed>) = 0 [pid 8311] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8310] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8310] <... futex resumed>) = 0 [pid 5052] close(3./strace-static-x86_64: Process 8321 attached [pid 8320] <... clone3 resumed> => {parent_tid=[8321]}, 88) = 8321 [pid 8313] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8311] creat("./bus", 040 [pid 8310] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 8321] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8320] rt_sigprocmask(SIG_SETMASK, [], [pid 8314] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] rmdir("./177" [pid 8321] <... rseq resumed>) = 0 [pid 8320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8320] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] <... futex resumed>) = 1 [pid 8309] <... futex resumed>) = 0 [pid 8321] set_robust_list(0x7f8728ba99a0, 24 [pid 8320] <... futex resumed>) = 0 [pid 8309] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8321] <... set_robust_list resumed>) = 0 [pid 8320] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8309] <... futex resumed>) = 0 [pid 5052] mkdir("./178", 0777 [pid 8321] rt_sigprocmask(SIG_SETMASK, [], [pid 8314] creat("./bus", 040 [pid 8309] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... mkdir resumed>) = 0 [pid 8321] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8313] <... openat resumed>) = 3 [pid 8311] <... creat resumed>) = 5 [pid 8321] memfd_create("syzkaller", 0) = 3 [pid 8321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8313] chdir("./file0" [pid 8311] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] <... creat resumed>) = 5 [pid 8313] <... chdir resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8314] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8313] ioctl(4, LOOP_CLR_FD) = 0 [pid 8313] close(4 [pid 5052] <... openat resumed>) = 3 [pid 8314] <... futex resumed>) = 1 [pid 8313] <... close resumed>) = 0 [pid 8311] <... futex resumed>) = 1 [pid 8310] <... futex resumed>) = 0 [pid 8309] <... futex resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8314] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8313] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8311] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8310] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8309] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8313] <... futex resumed>) = 1 [pid 8310] <... futex resumed>) = 0 [pid 8309] <... futex resumed>) = 0 [pid 8308] <... futex resumed>) = 0 [ 294.201165][ T8313] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 294.210598][ T29] audit: type=1800 audit(1698988438.934:1063): pid=8314 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 8314] mkdirat(AT_FDCWD, "./file0", 000 [pid 8313] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8310] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8309] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8308] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 8311] mkdirat(AT_FDCWD, "./file0", 000 [pid 8308] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8308] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8313] <... open resumed>) = 4 ./strace-static-x86_64: Process 8322 attached [pid 8314] <... mkdirat resumed>) = 0 [pid 8311] <... mkdirat resumed>) = 0 [pid 8322] set_robust_list(0x55555656d6a0, 24 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8322 [pid 8322] <... set_robust_list resumed>) = 0 [pid 8322] chdir("./178") = 0 [pid 8311] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8314] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8311] <... futex resumed>) = 1 [pid 8310] <... futex resumed>) = 0 [pid 8322] <... prctl resumed>) = 0 [pid 8322] setpgid(0, 0) = 0 [pid 8321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8314] <... futex resumed>) = 1 [pid 8313] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8311] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8310] exit_group(0 [pid 8309] <... futex resumed>) = 0 [pid 8322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8314] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8313] <... futex resumed>) = 1 [pid 8311] <... futex resumed>) = ? [pid 8310] <... exit_group resumed>) = ? [pid 8309] exit_group(0 [pid 8308] <... futex resumed>) = 0 [pid 8313] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8311] +++ exited with 0 +++ [pid 8322] <... openat resumed>) = 3 [pid 8314] <... futex resumed>) = ? [pid 8310] +++ exited with 0 +++ [pid 8309] <... exit_group resumed>) = ? [pid 8308] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] write(3, "1000", 4 [pid 8314] +++ exited with 0 +++ [pid 8308] <... futex resumed>) = 1 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8310, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8322] <... write resumed>) = 4 [pid 8308] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8322] close(3) = 0 [pid 5054] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8322] symlink("/dev/binderfs", "./binderfs" [pid 8309] +++ exited with 0 +++ [pid 8322] <... symlink resumed>) = 0 [pid 8313] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8322] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8313] ftruncate(4, 33587195 [pid 5054] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8322] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8309, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 8322] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] newfstatat(3, "", [pid 8322] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8313] <... ftruncate resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8322] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8313] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 8322] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 294.277050][ T29] audit: type=1800 audit(1698988439.034:1064): pid=8313 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8322] <... mmap resumed>) = 0x7f8728b89000 [pid 8313] <... futex resumed>) = 1 [pid 8308] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8322] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8308] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(AT_FDCWD, "./174/binderfs", [pid 8322] <... mprotect resumed>) = 0 [pid 8308] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8322] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8313] creat("./bus", 040 [pid 8308] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8322] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] unlink("./174/binderfs" [pid 5051] newfstatat(3, "", [pid 8322] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] <... unlink resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] getdents64(3, [pid 8322] <... clone3 resumed> => {parent_tid=[8323]}, 88) = 8323 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 8323 attached [pid 8322] rt_sigprocmask(SIG_SETMASK, [], [pid 8313] <... creat resumed>) = 5 [pid 5051] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8323] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8322] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8313] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8323] <... rseq resumed>) = 0 [pid 8322] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8313] <... futex resumed>) = 1 [pid 8308] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./180/binderfs", [pid 8323] set_robust_list(0x7f8728ba99a0, 24 [pid 8322] <... futex resumed>) = 0 [pid 8313] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8308] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8322] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8308] <... futex resumed>) = 0 [pid 8308] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] unlink("./180/binderfs" [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... unlink resumed>) = 0 [pid 8323] <... set_robust_list resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./176/file0", [pid 5051] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8323] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8323] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8323] memfd_create("syzkaller", 0) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5053] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8323] <... mmap resumed>) = 0x7f8720789000 [pid 8313] mkdirat(AT_FDCWD, "./file0", 000 [pid 5053] <... openat resumed>) = 4 [pid 8313] <... mkdirat resumed>) = 0 [pid 5053] newfstatat(4, "", [pid 8313] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8313] <... futex resumed>) = 1 [pid 8313] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] getdents64(4, [pid 8308] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, [pid 8308] exit_group(0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8308] <... exit_group resumed>) = ? [pid 5053] close(4) = 0 [pid 5053] rmdir("./176/file0" [pid 8313] <... futex resumed>) = ? [pid 5053] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./176") = 0 [pid 5053] mkdir("./177", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 8313] +++ exited with 0 +++ [pid 8308] +++ exited with 0 +++ [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8308, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 8323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... restart_syscall resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3 [pid 5056] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] newfstatat(AT_FDCWD, "./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./176/binderfs") = 0 [pid 5056] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8324 ./strace-static-x86_64: Process 8324 attached [pid 8324] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8321] <... write resumed>) = 4194304 [pid 5051] <... umount2 resumed>) = 0 [pid 8324] chdir("./177" [pid 5051] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8324] <... chdir resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] newfstatat(AT_FDCWD, "./180/file0", [pid 8324] <... prctl resumed>) = 0 [pid 8324] setpgid(0, 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8324] <... setpgid resumed>) = 0 [pid 8321] munmap(0x7f8720789000, 138412032 [pid 5051] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8324] <... openat resumed>) = 3 [pid 8321] <... munmap resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5051] getdents64(4, [pid 8321] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8324] write(3, "1000", 4 [pid 8321] <... openat resumed>) = 4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] newfstatat(AT_FDCWD, "./174/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8321] ioctl(4, LOOP_SET_FD, 3 [pid 5051] getdents64(4, [pid 5054] <... openat resumed>) = 4 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8324] <... write resumed>) = 4 [pid 8324] close(3 [pid 5051] close(4) = 0 [pid 5051] rmdir("./180/file0" [pid 8324] <... close resumed>) = 0 [pid 5054] getdents64(4, [pid 5051] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8324] symlink("/dev/binderfs", "./binderfs" [pid 5051] close(3) = 0 [pid 5051] rmdir("./180" [pid 8324] <... symlink resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] mkdir("./181", 0777) = 0 [pid 8324] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(4, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8324] <... futex resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 5051] <... openat resumed>) = 3 [pid 5054] <... close resumed>) = 0 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8324] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] rmdir("./174/file0" [pid 8324] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8324] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8321] <... ioctl resumed>) = 0 [pid 5051] close(3 [pid 8321] close(3 [pid 5051] <... close resumed>) = 0 [pid 8321] <... close resumed>) = 0 [pid 8321] mkdir("./file0", 0777 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8321] <... mkdir resumed>) = 0 [ 294.562152][ T8321] loop4: detected capacity change from 0 to 8192 [pid 8321] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, ""./strace-static-x86_64: Process 8325 attached [pid 8324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8324] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] getdents64(3, [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8325 [pid 8324] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8323] <... write resumed>) = 4194304 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8323] munmap(0x7f8720789000, 138412032 [pid 8325] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8325] chdir("./181" [pid 8323] <... munmap resumed>) = 0 [pid 8325] <... chdir resumed>) = 0 [pid 8323] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5054] close(3 [pid 8324] <... mprotect resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 8325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8323] <... openat resumed>) = 4 [pid 8324] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] rmdir("./174" [pid 8325] <... prctl resumed>) = 0 [pid 8325] setpgid(0, 0 [pid 8324] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8324] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8327 attached [pid 8325] <... setpgid resumed>) = 0 [pid 5056] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] mkdir("./175", 0777 [pid 8327] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8324] <... clone3 resumed> => {parent_tid=[8327]}, 88) = 8327 [pid 8323] ioctl(4, LOOP_SET_FD, 3 [pid 8327] <... rseq resumed>) = 0 [pid 8324] rt_sigprocmask(SIG_SETMASK, [], [pid 8327] set_robust_list(0x7f8728ba99a0, 24 [pid 8325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8324] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8325] <... openat resumed>) = 3 [pid 5054] <... mkdir resumed>) = 0 [pid 8325] write(3, "1000", 4 [pid 5056] newfstatat(AT_FDCWD, "./176/file0", [pid 8325] <... write resumed>) = 4 [pid 8325] close(3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8325] <... close resumed>) = 0 [pid 8325] symlink("/dev/binderfs", "./binderfs" [pid 5056] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8325] <... symlink resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8325] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8325] <... futex resumed>) = 0 [pid 8325] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5056] <... openat resumed>) = 4 [pid 8325] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5056] newfstatat(4, "", [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8325] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] getdents64(4, [pid 8325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8327] <... set_robust_list resumed>) = 0 [pid 8325] <... mmap resumed>) = 0x7f8728b89000 [pid 8324] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... openat resumed>) = 3 [pid 8327] rt_sigprocmask(SIG_SETMASK, [], [pid 8325] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8324] <... futex resumed>) = 0 [pid 8323] <... ioctl resumed>) = 0 [pid 5056] getdents64(4, [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8327] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8324] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8327] memfd_create("syzkaller", 0 [pid 5054] close(3) = 0 [ 294.605794][ T8321] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 294.631346][ T8323] loop1: detected capacity change from 0 to 8192 [ 294.644501][ T8321] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 8327] <... memfd_create resumed>) = 3 [pid 8325] <... mprotect resumed>) = 0 [pid 8323] close(3 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8325] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8323] <... close resumed>) = 0 [pid 5056] close(4 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8328 [pid 8325] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8323] mkdir("./file0", 0777 [pid 5056] <... close resumed>) = 0 ./strace-static-x86_64: Process 8328 attached [pid 8328] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8328] chdir("./175") = 0 [pid 8328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8328] setpgid(0, 0) = 0 [pid 8328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8328] write(3, "1000", 4) = 4 [pid 8328] close(3) = 0 [pid 8328] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5056] rmdir("./176/file0" [pid 8323] <... mkdir resumed>) = 0 [pid 8325] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, [pid 8323] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8325] <... clone3 resumed> => {parent_tid=[8329]}, 88) = 8329 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [ 294.655085][ T8321] REISERFS (device loop4): using ordered data mode [ 294.661636][ T8321] reiserfs: using flush barriers [ 294.670011][ T8321] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 294.692780][ T8321] REISERFS (device loop4): checking transaction log (loop4) [pid 5056] close(3 [pid 8325] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8329 attached [pid 5056] <... close resumed>) = 0 [pid 8325] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8325] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] rmdir("./176" [pid 8325] <... futex resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 8325] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] mkdir("./177", 0777 [pid 8329] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8328] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8328] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 8328] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8329] <... rseq resumed>) = 0 [pid 8328] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8329] set_robust_list(0x7f8728ba99a0, 24 [pid 8328] <... mprotect resumed>) = 0 [pid 8329] <... set_robust_list resumed>) = 0 [pid 8328] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8329] rt_sigprocmask(SIG_SETMASK, [], [pid 8328] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8329] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8328] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8329] memfd_create("syzkaller", 0) = 3 [pid 8328] <... clone3 resumed> => {parent_tid=[8331]}, 88) = 8331 [pid 8329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8328] rt_sigprocmask(SIG_SETMASK, [], [pid 8329] <... mmap resumed>) = 0x7f8720789000 [pid 8328] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8328] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8328] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8331 attached [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8331] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5056] <... openat resumed>) = 3 [pid 8331] <... rseq resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8331] set_robust_list(0x7f8728ba99a0, 24 [ 294.701818][ T8321] REISERFS (device loop4): Using tea hash to sort names [ 294.712790][ T8323] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 294.727697][ T8321] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 294.738183][ T8323] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 5056] close(3 [pid 8321] <... mount resumed>) = 0 [pid 8331] <... set_robust_list resumed>) = 0 [pid 8329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5056] <... close resumed>) = 0 [pid 8321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8321] chdir("./file0") = 0 [pid 8321] ioctl(4, LOOP_CLR_FD) = 0 [pid 8321] close(4) = 0 [pid 8331] rt_sigprocmask(SIG_SETMASK, [], [pid 8321] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8331] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8321] <... futex resumed>) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8331] memfd_create("syzkaller", 0 [pid 8320] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8332 [pid 8331] <... memfd_create resumed>) = 3 [pid 8320] <... futex resumed>) = 0 [pid 8331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8320] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8331] <... mmap resumed>) = 0x7f8720789000 [ 294.753920][ T8323] REISERFS (device loop1): using ordered data mode [ 294.760457][ T8323] reiserfs: using flush barriers [ 294.768699][ T8323] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 294.790759][ T8323] REISERFS (device loop1): checking transaction log (loop1) ./strace-static-x86_64: Process 8332 attached [pid 8321] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8332] set_robust_list(0x55555656d6a0, 24 [pid 8321] <... open resumed>) = 4 [pid 8320] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8332] <... set_robust_list resumed>) = 0 [pid 8332] chdir("./177" [pid 8320] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] <... chdir resumed>) = 0 [pid 8332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8321] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8320] <... futex resumed>) = 0 [pid 8320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 8320] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8320] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8332] <... prctl resumed>) = 0 [pid 8320] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 8332] setpgid(0, 0 [pid 8321] <... futex resumed>) = 0 [pid 8321] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8332] <... setpgid resumed>) = 0 [pid 8327] <... write resumed>) = 4194304 [pid 8320] <... clone3 resumed> => {parent_tid=[8333]}, 88) = 8333 [pid 8327] munmap(0x7f8720789000, 138412032./strace-static-x86_64: Process 8333 attached [pid 8320] rt_sigprocmask(SIG_SETMASK, [], [pid 8333] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8320] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8333] <... rseq resumed>) = 0 [pid 8320] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8333] set_robust_list(0x7f8728b889a0, 24 [pid 8320] <... futex resumed>) = 0 [pid 8333] <... set_robust_list resumed>) = 0 [pid 8332] <... openat resumed>) = 3 [pid 8327] <... munmap resumed>) = 0 [pid 8323] <... mount resumed>) = 0 [pid 8320] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8333] rt_sigprocmask(SIG_SETMASK, [], [pid 8332] write(3, "1000", 4 [pid 8333] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8332] <... write resumed>) = 4 [pid 8333] ftruncate(4, 33587195 [pid 8332] close(3 [pid 8333] <... ftruncate resumed>) = 0 [pid 8333] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8332] <... close resumed>) = 0 [pid 8323] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8320] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 294.814637][ T8323] REISERFS (device loop1): Using tea hash to sort names [ 294.822070][ T8323] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 294.833221][ T29] audit: type=1800 audit(1698988439.584:1065): pid=8321 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 8333] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8332] symlink("/dev/binderfs", "./binderfs" [pid 8323] <... openat resumed>) = 3 [pid 8321] <... futex resumed>) = 0 [pid 8320] <... futex resumed>) = 1 [pid 8327] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8320] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8321] creat("./bus", 040 [pid 8332] <... symlink resumed>) = 0 [pid 8331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8329] <... write resumed>) = 4194304 [pid 8327] <... openat resumed>) = 4 [pid 8323] chdir("./file0" [pid 8321] <... creat resumed>) = 5 [pid 8332] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8323] <... chdir resumed>) = 0 [pid 8329] munmap(0x7f8720789000, 138412032 [pid 8332] <... futex resumed>) = 0 [pid 8327] ioctl(4, LOOP_SET_FD, 3 [pid 8323] ioctl(4, LOOP_CLR_FD [pid 8321] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8329] <... munmap resumed>) = 0 [pid 8323] <... ioctl resumed>) = 0 [pid 8332] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8329] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8323] close(4 [pid 8332] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8323] <... close resumed>) = 0 [pid 8332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8323] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8321] <... futex resumed>) = 1 [pid 8320] <... futex resumed>) = 0 [pid 8332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8323] <... futex resumed>) = 1 [pid 8322] <... futex resumed>) = 0 [pid 8321] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] <... mmap resumed>) = 0x7f8728b89000 [pid 8323] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] <... futex resumed>) = 0 [pid 8332] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8329] <... openat resumed>) = 4 [pid 8322] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8320] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8332] <... mprotect resumed>) = 0 [pid 8322] <... futex resumed>) = 0 [pid 8321] mkdirat(AT_FDCWD, "./file0", 000 [pid 8332] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8322] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8321] <... mkdirat resumed>) = 0 [pid 8332] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8321] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8329] ioctl(4, LOOP_SET_FD, 3 [pid 8323] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8321] <... futex resumed>) = 1 ./strace-static-x86_64: Process 8334 attached [pid 8323] <... open resumed>) = 4 [pid 8321] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8320] <... futex resumed>) = 0 [pid 8334] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8327] <... ioctl resumed>) = 0 [pid 8320] exit_group(0 [pid 8327] close(3 [pid 8320] <... exit_group resumed>) = ? [pid 8327] <... close resumed>) = 0 [pid 8334] <... rseq resumed>) = 0 [pid 8327] mkdir("./file0", 0777 [pid 8334] set_robust_list(0x7f8728ba99a0, 24 [pid 8333] <... futex resumed>) = ? [pid 8329] <... ioctl resumed>) = 0 [pid 8327] <... mkdir resumed>) = 0 [pid 8334] <... set_robust_list resumed>) = 0 [pid 8333] +++ exited with 0 +++ [pid 8329] close(3 [pid 8327] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8329] <... close resumed>) = 0 [pid 8334] rt_sigprocmask(SIG_SETMASK, [], [pid 8332] <... clone3 resumed> => {parent_tid=[8334]}, 88) = 8334 [pid 8329] mkdir("./file0", 0777 [pid 8321] <... futex resumed>) = ? [pid 8334] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8332] rt_sigprocmask(SIG_SETMASK, [], [pid 8329] <... mkdir resumed>) = 0 [pid 8323] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8321] +++ exited with 0 +++ [pid 8320] +++ exited with 0 +++ [pid 8329] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8320, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 8334] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8332] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8323] <... futex resumed>) = 1 [pid 8322] <... futex resumed>) = 0 [pid 8334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8332] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8323] ftruncate(4, 33587195 [pid 8322] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8332] <... futex resumed>) = 0 [pid 8322] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8332] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8322] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 294.921763][ T8327] loop2: detected capacity change from 0 to 8192 [ 294.939524][ T8329] loop0: detected capacity change from 0 to 8192 [ 294.940699][ T29] audit: type=1800 audit(1698988439.694:1066): pid=8323 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 8334] memfd_create("syzkaller", 0 [pid 8331] <... write resumed>) = 4194304 [pid 8323] <... ftruncate resumed>) = 0 [pid 5055] newfstatat(3, "", [pid 8334] <... memfd_create resumed>) = 3 [pid 8331] munmap(0x7f8720789000, 138412032 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8331] <... munmap resumed>) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./175/binderfs", [pid 8334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8334] <... mmap resumed>) = 0x7f8720789000 [pid 5055] unlink("./175/binderfs") = 0 [pid 5055] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8331] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 294.986994][ T8327] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 295.001374][ T8329] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 295.014926][ T8327] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 295.027034][ T8327] REISERFS (device loop2): using ordered data mode [pid 8323] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] <... openat resumed>) = 4 [pid 8323] <... futex resumed>) = 1 [pid 8322] <... futex resumed>) = 0 [pid 8331] ioctl(4, LOOP_SET_FD, 3 [pid 8323] creat("./bus", 040 [pid 8322] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] <... ioctl resumed>) = 0 [pid 8323] <... creat resumed>) = 5 [pid 8322] <... futex resumed>) = 0 [pid 8323] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8322] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8322] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8323] <... futex resumed>) = 0 [pid 8322] <... futex resumed>) = 0 [pid 8323] mkdirat(AT_FDCWD, "./file0", 000 [pid 8322] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8323] <... mkdirat resumed>) = 0 [pid 8323] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8322] exit_group(0) = ? [pid 8323] +++ exited with 0 +++ [pid 8322] +++ exited with 0 +++ [ 295.034751][ T8331] loop3: detected capacity change from 0 to 8192 [ 295.035340][ T8327] reiserfs: using flush barriers [ 295.054037][ T8329] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 295.056279][ T8327] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 295.064605][ T8329] REISERFS (device loop0): using ordered data mode [pid 8334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8322, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 8331] close(3 [pid 5052] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 295.086767][ T8329] reiserfs: using flush barriers [pid 5052] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", [pid 8331] <... close resumed>) = 0 [pid 8331] mkdir("./file0", 0777) = 0 [pid 8331] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 295.126817][ T8329] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 295.155131][ T8329] REISERFS (device loop0): checking transaction log (loop0) [ 295.158732][ T8327] REISERFS (device loop2): checking transaction log (loop2) [pid 5052] newfstatat(AT_FDCWD, "./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5052] unlink("./178/binderfs") = 0 [pid 5052] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8327] <... mount resumed>) = 0 [pid 8327] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8327] <... openat resumed>) = 3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8327] chdir("./file0" [pid 5055] newfstatat(AT_FDCWD, "./175/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8327] <... chdir resumed>) = 0 [pid 8327] ioctl(4, LOOP_CLR_FD [pid 5055] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8327] <... ioctl resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8327] close(4) = 0 [pid 5055] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8327] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... openat resumed>) = 4 [pid 8327] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, [pid 8324] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8324] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8327] <... futex resumed>) = 0 [pid 8324] <... futex resumed>) = 1 [pid 5055] getdents64(4, [pid 8327] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8324] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8327] <... open resumed>) = 4 [pid 5055] close(4 [pid 8327] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5055] <... close resumed>) = 0 [pid 8324] <... futex resumed>) = 0 [ 295.163224][ T8331] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 295.197228][ T8327] REISERFS (device loop2): Using tea hash to sort names [ 295.206464][ T8329] REISERFS (device loop0): Using tea hash to sort names [ 295.214055][ T8327] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8327] ftruncate(4, 33587195 [pid 8324] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] rmdir("./175/file0" [pid 8327] <... ftruncate resumed>) = 0 [pid 8324] <... futex resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8324] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] getdents64(3, [pid 8327] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8334] <... write resumed>) = 4194304 [pid 8327] <... futex resumed>) = 1 [pid 8324] <... futex resumed>) = 0 [pid 5055] close(3 [pid 8329] <... mount resumed>) = 0 [pid 8329] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8324] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 8329] <... openat resumed>) = 3 [pid 8324] <... futex resumed>) = 0 [pid 5055] rmdir("./175" [pid 8327] creat("./bus", 040 [pid 8329] chdir("./file0" [pid 8324] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... rmdir resumed>) = 0 [pid 8329] <... chdir resumed>) = 0 [pid 8327] <... creat resumed>) = 5 [pid 8329] ioctl(4, LOOP_CLR_FD [pid 5055] mkdir("./176", 0777 [pid 8327] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] munmap(0x7f8720789000, 138412032 [pid 8329] <... ioctl resumed>) = 0 [pid 8327] <... futex resumed>) = 1 [pid 8324] <... futex resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 8329] close(4 [pid 8327] mkdirat(AT_FDCWD, "./file0", 000 [pid 8324] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8334] <... munmap resumed>) = 0 [pid 8329] <... close resumed>) = 0 [pid 8324] <... futex resumed>) = 0 [pid 8334] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8329] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8327] <... mkdirat resumed>) = 0 [ 295.238339][ T8329] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 295.239771][ T29] audit: type=1800 audit(1698988439.994:1067): pid=8327 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 295.252792][ T8331] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8324] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... openat resumed>) = 3 [pid 8329] <... futex resumed>) = 1 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8327] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8334] <... openat resumed>) = 4 [pid 8329] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8327] <... futex resumed>) = 1 [pid 8325] <... futex resumed>) = 0 [pid 8324] <... futex resumed>) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8325] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8325] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8324] exit_group(0 [pid 5055] close(3 [pid 8334] ioctl(4, LOOP_SET_FD, 3 [pid 8329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8324] <... exit_group resumed>) = ? [pid 5055] <... close resumed>) = 0 [pid 8329] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8327] +++ exited with 0 +++ [pid 8324] +++ exited with 0 +++ [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8324, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5053] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8338 attached [pid 8329] <... open resumed>) = 4 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [ 295.313866][ T8331] REISERFS (device loop3): using ordered data mode [ 295.329099][ T8331] reiserfs: using flush barriers [ 295.339094][ T29] audit: type=1800 audit(1698988440.094:1068): pid=8329 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 5053] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./177/binderfs") = 0 [pid 5053] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8338] set_robust_list(0x55555656d6a0, 24 [pid 8334] <... ioctl resumed>) = 0 [pid 8329] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8325] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8338 [pid 5052] <... umount2 resumed>) = 0 [pid 8325] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8325] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] <... futex resumed>) = 1 [pid 8325] <... futex resumed>) = 0 [pid 8338] <... set_robust_list resumed>) = 0 [pid 8334] close(3 [pid 8329] ftruncate(4, 33587195 [pid 5052] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8325] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./178/file0", [pid 8329] <... ftruncate resumed>) = 0 [pid 8334] <... close resumed>) = 0 [pid 8329] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8338] chdir("./176" [pid 8334] mkdir("./file0", 0777 [pid 8329] <... futex resumed>) = 1 [pid 8325] <... futex resumed>) = 0 [pid 5052] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8338] <... chdir resumed>) = 0 [pid 8329] creat("./bus", 040 [pid 8325] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8325] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8329] <... creat resumed>) = 5 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8329] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8338] <... prctl resumed>) = 0 [pid 8334] <... mkdir resumed>) = 0 [pid 8329] <... futex resumed>) = 1 [pid 8325] <... futex resumed>) = 0 [pid 8325] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 295.340992][ T8334] loop5: detected capacity change from 0 to 8192 [ 295.378859][ T8331] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8338] setpgid(0, 0 [pid 8334] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 295.407930][ T8331] REISERFS (device loop3): checking transaction log (loop3) [ 295.421212][ T8331] REISERFS (device loop3): Using tea hash to sort names [ 295.451424][ T8334] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8329] mkdirat(AT_FDCWD, "./file0", 000 [pid 8325] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... openat resumed>) = 4 [pid 8338] <... setpgid resumed>) = 0 [pid 8331] <... mount resumed>) = 0 [pid 8329] <... mkdirat resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 8338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8331] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8329] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8338] <... openat resumed>) = 3 [pid 8331] <... openat resumed>) = 3 [pid 5052] getdents64(4, [pid 8329] <... futex resumed>) = 1 [pid 8325] <... futex resumed>) = 0 [pid 8338] write(3, "1000", 4 [pid 8331] chdir("./file0" [pid 8325] exit_group(0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8329] shutdown(-256, 0x68d12794 /* SHUT_??? */ [pid 8338] <... write resumed>) = 4 [pid 8331] <... chdir resumed>) = 0 [pid 8325] <... exit_group resumed>) = ? [pid 5052] getdents64(4, [pid 8338] close(3 [pid 8331] ioctl(4, LOOP_CLR_FD [pid 8329] +++ exited with 0 +++ [pid 8325] +++ exited with 0 +++ [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8338] <... close resumed>) = 0 [pid 8331] <... ioctl resumed>) = 0 [pid 5052] close(4 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8325, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5052] <... close resumed>) = 0 [pid 8338] symlink("/dev/binderfs", "./binderfs" [pid 8331] close(4 [pid 5052] rmdir("./178/file0" [pid 8331] <... close resumed>) = 0 [pid 8338] <... symlink resumed>) = 0 [pid 8331] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5052] <... rmdir resumed>) = 0 [pid 8338] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8328] <... futex resumed>) = 0 [pid 5051] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 5051] getdents64(3, [pid 8338] <... futex resumed>) = 0 [pid 8328] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8338] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8328] <... futex resumed>) = 1 [pid 5052] close(3 [pid 5051] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8338] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8328] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8338] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] rmdir("./178" [pid 5051] newfstatat(AT_FDCWD, "./181/binderfs", [pid 8338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] unlink("./181/binderfs" [pid 8338] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] mkdir("./179", 0777 [pid 5051] <... unlink resumed>) = 0 [pid 8338] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8338] <... mprotect resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 8338] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8338] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8338] <... clone3 resumed> => {parent_tid=[8340]}, 88) = 8340 [pid 5052] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8340 attached [pid 8338] rt_sigprocmask(SIG_SETMASK, [], [pid 8331] <... futex resumed>) = 0 [pid 8338] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8331] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8338] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8340] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8338] <... futex resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8340] set_robust_list(0x7f8728ba99a0, 24 [pid 8338] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8331] <... open resumed>) = 4 [pid 5052] close(3) = 0 [pid 8340] <... set_robust_list resumed>) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8340] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8341 [pid 8340] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 295.457382][ T8331] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 295.500600][ T8334] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 5053] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8341 attached [pid 8340] memfd_create("syzkaller", 0 [pid 8331] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./177/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 8341] set_robust_list(0x55555656d6a0, 24 [pid 8340] <... memfd_create resumed>) = 3 [pid 8331] <... futex resumed>) = 0 [pid 8328] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8331] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8328] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8328] <... futex resumed>) = 0 [pid 8328] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8340] <... mmap resumed>) = 0x7f8720789000 [pid 8331] ftruncate(4, 33587195 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./177") = 0 [pid 5053] mkdir("./178", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8342 [pid 8341] <... set_robust_list resumed>) = 0 [pid 8341] chdir("./179"./strace-static-x86_64: Process 8342 attached ) = 0 [pid 8331] <... ftruncate resumed>) = 0 [ 295.540104][ T29] audit: type=1800 audit(1698988440.274:1069): pid=8331 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 295.559813][ T8334] REISERFS (device loop5): using ordered data mode [ 295.568203][ T8334] reiserfs: using flush barriers [pid 8342] set_robust_list(0x55555656d6a0, 24 [pid 8341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8342] <... set_robust_list resumed>) = 0 [pid 8341] <... prctl resumed>) = 0 [pid 8342] chdir("./178" [pid 8341] setpgid(0, 0 [pid 8342] <... chdir resumed>) = 0 [pid 8341] <... setpgid resumed>) = 0 [pid 8342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8342] <... prctl resumed>) = 0 [pid 8341] <... openat resumed>) = 3 [pid 8342] setpgid(0, 0 [pid 8341] write(3, "1000", 4) = 4 [pid 8341] close(3 [pid 8342] <... setpgid resumed>) = 0 [pid 8341] <... close resumed>) = 0 [pid 8342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8342] <... openat resumed>) = 3 [pid 8331] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8328] <... futex resumed>) = 0 [pid 8342] write(3, "1000", 4 [pid 8331] creat("./bus", 040 [pid 8328] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... write resumed>) = 4 [pid 8342] close(3) = 0 [pid 8342] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8342] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8341] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8341] <... futex resumed>) = 0 [pid 8342] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8341] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8341] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8341] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8342] <... mmap resumed>) = 0x7f8728b89000 [pid 8341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8342] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8342] <... mprotect resumed>) = 0 [pid 8341] <... mmap resumed>) = 0x7f8728b89000 [pid 8342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8328] <... futex resumed>) = 0 [pid 8342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8341] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8341] <... mprotect resumed>) = 0 [pid 8341] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8342] <... clone3 resumed> => {parent_tid=[8343]}, 88) = 8343 [pid 8341] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8331] <... creat resumed>) = 5 [pid 8328] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8331] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8328] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8343 attached [pid 8342] rt_sigprocmask(SIG_SETMASK, [], [pid 8341] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8328] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8343] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8328] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8344 attached [pid 8343] <... rseq resumed>) = 0 [pid 8342] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] <... clone3 resumed> => {parent_tid=[8344]}, 88) = 8344 [pid 8344] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8343] set_robust_list(0x7f8728ba99a0, 24 [pid 8342] <... futex resumed>) = 0 [pid 8341] rt_sigprocmask(SIG_SETMASK, [], [pid 8344] <... rseq resumed>) = 0 [pid 8343] <... set_robust_list resumed>) = 0 [pid 8344] set_robust_list(0x7f8728ba99a0, 24 [pid 8343] rt_sigprocmask(SIG_SETMASK, [], [pid 8342] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8341] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8344] <... set_robust_list resumed>) = 0 [pid 8343] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8341] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] rt_sigprocmask(SIG_SETMASK, [], [ 295.592718][ T8334] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8343] memfd_create("syzkaller", 0 [pid 8341] <... futex resumed>) = 0 [pid 8331] mkdirat(AT_FDCWD, "./file0", 000 [pid 8344] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8343] <... memfd_create resumed>) = 3 [pid 8341] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8344] memfd_create("syzkaller", 0 [pid 8343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8331] <... mkdirat resumed>) = 0 [pid 8344] <... memfd_create resumed>) = 3 [pid 8340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8343] <... mmap resumed>) = 0x7f8720789000 [pid 8344] <... mmap resumed>) = 0x7f8720789000 [pid 8331] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8331] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8328] <... futex resumed>) = 0 [pid 8328] exit_group(0 [pid 8331] <... futex resumed>) = ? [pid 8328] <... exit_group resumed>) = ? [pid 8331] +++ exited with 0 +++ [pid 8328] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8328, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8334] <... mount resumed>) = 0 [pid 5054] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = 0 [pid 8334] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8334] <... openat resumed>) = 3 [pid 5054] <... openat resumed>) = 3 [pid 8334] chdir("./file0" [pid 5054] newfstatat(3, "", [pid 8334] <... chdir resumed>) = 0 [ 295.653023][ T8334] REISERFS (device loop5): checking transaction log (loop5) [ 295.684808][ T8334] REISERFS (device loop5): Using tea hash to sort names [ 295.692698][ T8334] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8340] <... write resumed>) = 4194304 [pid 8334] ioctl(4, LOOP_CLR_FD [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8334] <... ioctl resumed>) = 0 [pid 8340] munmap(0x7f8720789000, 138412032 [pid 8334] close(4 [pid 5054] getdents64(3, [pid 8334] <... close resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8334] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8334] <... futex resumed>) = 1 [pid 8332] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8334] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8332] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(AT_FDCWD, "./175/binderfs", [pid 8332] <... futex resumed>) = 0 [pid 8340] <... munmap resumed>) = 0 [pid 8334] <... open resumed>) = 4 [pid 8332] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./175/binderfs" [pid 8344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8340] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8334] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... unlink resumed>) = 0 [pid 8340] <... openat resumed>) = 4 [pid 8334] <... futex resumed>) = 1 [pid 8332] <... futex resumed>) = 0 [pid 5054] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8332] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(AT_FDCWD, "./181/file0", [pid 8332] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8332] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./181/file0") = 0 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 5051] rmdir("./181") = 0 [pid 5051] mkdir("./182", 0777 [pid 8340] ioctl(4, LOOP_SET_FD, 3 [pid 8334] ftruncate(4, 33587195 [pid 5051] <... mkdir resumed>) = 0 [ 295.745367][ T29] audit: type=1800 audit(1698988440.494:1070): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8345 ./strace-static-x86_64: Process 8345 attached [pid 8345] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8345] chdir("./182") = 0 [pid 8345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8345] setpgid(0, 0) = 0 [pid 8345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8345] write(3, "1000", 4) = 4 [pid 8345] close(3) = 0 [pid 8345] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8345] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8345] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8345] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8334] <... ftruncate resumed>) = 0 [pid 8345] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8340] <... ioctl resumed>) = 0 [pid 8334] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8345] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8340] close(3 [pid 8334] <... futex resumed>) = 1 [pid 8332] <... futex resumed>) = 0 [pid 8345] <... mmap resumed>) = 0x7f8728b89000 [pid 8340] <... close resumed>) = 0 [pid 8332] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8345] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8340] mkdir("./file0", 0777 [pid 8332] <... futex resumed>) = 0 [pid 8345] <... mprotect resumed>) = 0 [pid 8332] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8345] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8340] <... mkdir resumed>) = 0 [ 295.795020][ T8340] loop4: detected capacity change from 0 to 8192 [pid 8340] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8345] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8334] creat("./bus", 040 [pid 8345] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8334] <... creat resumed>) = 5 [pid 8345] <... clone3 resumed> => {parent_tid=[8347]}, 88) = 8347 [pid 8345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8332] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 8347 attached [pid 8345] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8332] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8345] <... futex resumed>) = 0 [pid 8332] <... futex resumed>) = 0 [pid 8347] <... rseq resumed>) = 0 [pid 8345] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8347] set_robust_list(0x7f8728ba99a0, 24 [pid 8332] <... mmap resumed>) = 0x7f8728b68000 [pid 8347] <... set_robust_list resumed>) = 0 [pid 8332] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 8347] rt_sigprocmask(SIG_SETMASK, [], [pid 8332] <... mprotect resumed>) = 0 [pid 8347] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 295.846555][ T8340] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8334] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] memfd_create("syzkaller", 0 [pid 8334] <... futex resumed>) = 0 [pid 8332] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8347] <... memfd_create resumed>) = 3 [pid 8334] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8332] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8347] <... mmap resumed>) = 0x7f8720789000 [pid 8332] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} => {parent_tid=[8348]}, 88) = 8348 [pid 8332] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8348 attached NULL, 8) = 0 [pid 8348] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8332] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8348] <... rseq resumed>) = 0 [pid 8332] <... futex resumed>) = 0 [pid 8348] set_robust_list(0x7f8728b889a0, 24 [pid 8332] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8348] <... set_robust_list resumed>) = 0 [pid 8348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8348] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8348] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8332] <... futex resumed>) = 0 [pid 8332] exit_group(0 [pid 8347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8343] <... write resumed>) = 4194304 [pid 8334] <... futex resumed>) = ? [pid 8332] <... exit_group resumed>) = ? [pid 5054] <... umount2 resumed>) = 0 [ 295.894763][ T8340] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 295.905118][ T8340] REISERFS (device loop4): using ordered data mode [ 295.911669][ T8340] reiserfs: using flush barriers [ 295.927448][ T8340] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8348] +++ exited with 0 +++ [pid 8334] +++ exited with 0 +++ [pid 8332] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8332, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8343] munmap(0x7f8720789000, 138412032) = 0 [pid 8343] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5054] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8343] <... openat resumed>) = 4 [pid 5056] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8343] ioctl(4, LOOP_SET_FD, 3 [pid 5054] newfstatat(AT_FDCWD, "./175/file0", [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8344] <... write resumed>) = 4194304 [pid 8343] <... ioctl resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8344] munmap(0x7f8720789000, 138412032 [pid 8343] close(3) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8343] mkdir("./file0", 0777 [pid 5056] <... openat resumed>) = 3 [pid 5054] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8343] <... mkdir resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5056] newfstatat(3, "", [pid 8340] <... mount resumed>) = 0 [pid 8344] <... munmap resumed>) = 0 [pid 8343] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] newfstatat(4, "", [pid 8344] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 295.955495][ T8340] REISERFS (device loop4): checking transaction log (loop4) [ 295.965355][ T8340] REISERFS (device loop4): Using tea hash to sort names [ 295.974193][ T8343] loop2: detected capacity change from 0 to 8192 [ 295.980686][ T8340] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] getdents64(3, [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8344] <... openat resumed>) = 4 [pid 8340] <... openat resumed>) = 3 [pid 8344] ioctl(4, LOOP_SET_FD, 3 [pid 8340] chdir("./file0" [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] getdents64(4, [pid 5056] newfstatat(AT_FDCWD, "./177/binderfs", [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] close(4 [pid 5056] unlink("./177/binderfs" [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./175/file0" [pid 8340] <... chdir resumed>) = 0 [pid 8340] ioctl(4, LOOP_CLR_FD [pid 5054] <... rmdir resumed>) = 0 [pid 8340] <... ioctl resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 8340] close(4 [pid 5054] rmdir("./175" [pid 5056] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8340] <... close resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8347] <... write resumed>) = 4194304 [pid 8340] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] mkdir("./176", 0777 [pid 8340] <... futex resumed>) = 1 [pid 8338] <... futex resumed>) = 0 [pid 8338] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8338] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] <... ioctl resumed>) = 0 [pid 8340] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8344] close(3 [pid 8340] <... open resumed>) = 4 [pid 8344] <... close resumed>) = 0 [pid 8340] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] mkdir("./file0", 0777 [pid 8340] <... futex resumed>) = 1 [pid 8338] <... futex resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 8344] <... mkdir resumed>) = 0 [pid 8340] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8338] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8338] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8340] ftruncate(4, 33587195 [pid 8338] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8347] munmap(0x7f8720789000, 138412032 [pid 5054] <... openat resumed>) = 3 [ 296.013327][ T8343] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 296.021300][ T8344] loop1: detected capacity change from 0 to 8192 [ 296.051467][ T8343] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8347] <... munmap resumed>) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8340] <... ftruncate resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8340] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8338] <... futex resumed>) = 0 [pid 5054] close(3 [pid 8340] creat("./bus", 040 [pid 8338] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 8338] <... futex resumed>) = 0 [pid 8347] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8340] <... creat resumed>) = 5 [pid 8338] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 296.075962][ T8343] REISERFS (device loop2): using ordered data mode [ 296.089272][ T8344] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 296.093957][ T8343] reiserfs: using flush barriers [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8351 attached [pid 8347] <... openat resumed>) = 4 [pid 8340] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8351 [pid 8347] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... umount2 resumed>) = 0 [pid 5056] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8340] <... futex resumed>) = 1 [pid 8351] set_robust_list(0x55555656d6a0, 24 [pid 8340] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8351] <... set_robust_list resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8351] chdir("./176" [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8338] <... futex resumed>) = 0 [pid 8351] <... chdir resumed>) = 0 [pid 8338] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8340] <... futex resumed>) = 0 [pid 8338] <... futex resumed>) = 1 [pid 8351] <... prctl resumed>) = 0 [pid 8340] mkdirat(AT_FDCWD, "./file0", 000 [pid 8338] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8351] setpgid(0, 0 [pid 8340] <... mkdirat resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8351] <... setpgid resumed>) = 0 [pid 8340] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8340] <... futex resumed>) = 1 [pid 8338] <... futex resumed>) = 0 [ 296.124979][ T8347] loop0: detected capacity change from 0 to 8192 [ 296.131464][ T8343] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 296.160401][ T8344] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 8351] <... openat resumed>) = 3 [pid 8347] <... ioctl resumed>) = 0 [pid 8340] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8338] exit_group(0 [pid 8351] write(3, "1000", 4 [pid 8340] <... futex resumed>) = ? [pid 8338] <... exit_group resumed>) = ? [pid 5056] <... openat resumed>) = 4 [pid 8351] <... write resumed>) = 4 [pid 8340] +++ exited with 0 +++ [pid 8338] +++ exited with 0 +++ [pid 8351] close(3 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8338, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 8351] <... close resumed>) = 0 [pid 8351] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8347] close(3 [pid 5056] newfstatat(4, "", [pid 8351] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... close resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, [pid 8351] <... futex resumed>) = 0 [pid 8347] mkdir("./file0", 0777 [pid 8351] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8347] <... mkdir resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./177/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./177") = 0 [pid 5056] mkdir("./178", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8351] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8347] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] <... openat resumed>) = 3 [pid 5055] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8351] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] <... openat resumed>) = 3 [pid 8351] <... mmap resumed>) = 0x7f8728b89000 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5055] newfstatat(3, "", [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8351] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] close(3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8351] <... mprotect resumed>) = 0 [pid 5055] getdents64(3, [pid 8351] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [ 296.170507][ T8344] REISERFS (device loop1): using ordered data mode [ 296.177552][ T8344] reiserfs: using flush barriers [ 296.185704][ T8343] REISERFS (device loop2): checking transaction log (loop2) [ 296.188283][ T8344] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 296.210530][ T8343] REISERFS (device loop2): Using tea hash to sort names [pid 8351] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8343] <... mount resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5055] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8351] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8353 attached [pid 8353] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8351] <... clone3 resumed> => {parent_tid=[8353]}, 88) = 8353 [pid 5055] newfstatat(AT_FDCWD, "./176/binderfs", [pid 8353] <... rseq resumed>) = 0 [pid 8351] rt_sigprocmask(SIG_SETMASK, [], [pid 8343] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8353] set_robust_list(0x7f8728ba99a0, 24 [pid 8351] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] unlink("./176/binderfs" [pid 8353] <... set_robust_list resumed>) = 0 [pid 8351] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... unlink resumed>) = 0 [pid 8353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8351] <... futex resumed>) = 0 [pid 5055] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8353] memfd_create("syzkaller", 0 [pid 8351] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8353] <... memfd_create resumed>) = 3 [pid 8353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 ./strace-static-x86_64: Process 8354 attached [pid 8354] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8354 [pid 8354] chdir("./178" [pid 8343] <... openat resumed>) = 3 [pid 8354] <... chdir resumed>) = 0 [ 296.219111][ T8343] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 296.229641][ T8344] REISERFS (device loop1): checking transaction log (loop1) [ 296.238907][ T8344] REISERFS (device loop1): Using tea hash to sort names [ 296.249056][ T8347] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 296.262569][ T8347] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 8343] chdir("./file0" [pid 8354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8343] <... chdir resumed>) = 0 [pid 8354] <... prctl resumed>) = 0 [pid 8343] ioctl(4, LOOP_CLR_FD [pid 8354] setpgid(0, 0 [pid 8343] <... ioctl resumed>) = 0 [pid 8354] <... setpgid resumed>) = 0 [pid 8343] close(4 [pid 8354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8343] <... close resumed>) = 0 [pid 8354] <... openat resumed>) = 3 [pid 8343] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8354] write(3, "1000", 4 [pid 8343] <... futex resumed>) = 1 [pid 8354] <... write resumed>) = 4 [pid 8354] close(3 [pid 8343] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8354] <... close resumed>) = 0 [pid 8354] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8354] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8354] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8354] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8342] <... futex resumed>) = 0 [pid 8354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8342] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8354] <... mmap resumed>) = 0x7f8728b89000 [pid 8343] <... futex resumed>) = 0 [pid 8342] <... futex resumed>) = 1 [pid 8354] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8343] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8354] <... mprotect resumed>) = 0 [pid 8343] <... open resumed>) = 4 [pid 8342] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8354] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8343] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8354] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8343] <... futex resumed>) = 1 [pid 8342] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8355 attached [pid 8343] ftruncate(4, 33587195 [pid 8342] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8355] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8354] <... clone3 resumed> => {parent_tid=[8355]}, 88) = 8355 [pid 8342] <... futex resumed>) = 0 [pid 8355] <... rseq resumed>) = 0 [pid 8354] rt_sigprocmask(SIG_SETMASK, [], [ 296.272931][ T8347] REISERFS (device loop0): using ordered data mode [ 296.280415][ T8344] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 296.303697][ T8347] reiserfs: using flush barriers [pid 8342] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8355] set_robust_list(0x7f8728ba99a0, 24 [pid 8354] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8355] <... set_robust_list resumed>) = 0 [pid 8354] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8355] rt_sigprocmask(SIG_SETMASK, [], [pid 8354] <... futex resumed>) = 0 [pid 8344] <... mount resumed>) = 0 [pid 8355] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8354] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8355] memfd_create("syzkaller", 0) = 3 [pid 8344] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8343] <... ftruncate resumed>) = 0 [pid 8344] <... openat resumed>) = 3 [ 296.312473][ T8347] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8344] chdir("./file0") = 0 [pid 8355] <... mmap resumed>) = 0x7f8720789000 [pid 8344] ioctl(4, LOOP_CLR_FD) = 0 [pid 8344] close(4) = 0 [pid 8344] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8343] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... futex resumed>) = 0 [pid 8342] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8342] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] <... futex resumed>) = 1 [pid 8343] <... futex resumed>) = 1 [pid 8341] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 8353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8343] creat("./bus", 040 [pid 8341] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8341] <... futex resumed>) = 0 [pid 8344] <... open resumed>) = 4 [pid 8341] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8347] <... mount resumed>) = 0 [pid 8344] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8343] <... creat resumed>) = 5 [pid 5055] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8347] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8344] <... futex resumed>) = 1 [pid 8342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8341] <... futex resumed>) = 0 [pid 8344] ftruncate(4, 33587195 [pid 8341] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] <... openat resumed>) = 3 [pid 8341] <... futex resumed>) = 0 [pid 8342] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8347] chdir("./file0" [pid 8342] <... futex resumed>) = 0 [pid 8341] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./176/file0", [pid 8342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8347] <... chdir resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8347] ioctl(4, LOOP_CLR_FD) = 0 [pid 8343] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... mmap resumed>) = 0x7f8728b68000 [pid 8347] close(4 [pid 8344] <... ftruncate resumed>) = 0 [pid 8343] <... futex resumed>) = 0 [ 296.348330][ T8347] REISERFS (device loop0): checking transaction log (loop0) [ 296.364747][ T8347] REISERFS (device loop0): Using tea hash to sort names [ 296.372190][ T8347] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8342] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 8355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8347] <... close resumed>) = 0 [pid 8343] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8342] <... mprotect resumed>) = 0 [pid 5055] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8347] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8347] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8347] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8345] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] <... openat resumed>) = 4 [pid 8345] <... futex resumed>) = 0 [pid 8342] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] newfstatat(4, "", [pid 8345] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8342] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 8356 attached [pid 8347] <... open resumed>) = 4 [pid 8344] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 8344] <... futex resumed>) = 1 [pid 8342] <... clone3 resumed> => {parent_tid=[8356]}, 88) = 8356 [pid 8341] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8356] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 5055] getdents64(4, [pid 8356] <... rseq resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8342] rt_sigprocmask(SIG_SETMASK, [], [pid 8341] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] close(4 [pid 8356] set_robust_list(0x7f8728b889a0, 24 [pid 8347] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8341] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8356] <... set_robust_list resumed>) = 0 [pid 8347] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 8342] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8341] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] rmdir("./176/file0" [pid 8356] rt_sigprocmask(SIG_SETMASK, [], [pid 8347] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8345] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8342] <... futex resumed>) = 0 [pid 8344] creat("./bus", 040 [pid 5055] <... rmdir resumed>) = 0 [pid 8345] <... futex resumed>) = 0 [pid 8356] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8345] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] <... creat resumed>) = 5 [pid 8342] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] getdents64(3, [pid 8356] mkdirat(AT_FDCWD, "./file0", 000 [pid 8347] ftruncate(4, 33587195 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8356] <... mkdirat resumed>) = 0 [pid 8347] <... ftruncate resumed>) = 0 [pid 8344] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8356] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] close(3 [pid 8356] <... futex resumed>) = 1 [pid 8356] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8344] <... futex resumed>) = 1 [pid 8342] <... futex resumed>) = 0 [pid 8341] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8344] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8342] exit_group(0 [pid 8341] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] rmdir("./176" [pid 8356] <... futex resumed>) = ? [pid 8344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8343] <... futex resumed>) = ? [pid 8342] <... exit_group resumed>) = ? [pid 8341] <... futex resumed>) = 0 [pid 8356] +++ exited with 0 +++ [pid 8347] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] mkdirat(AT_FDCWD, "./file0", 000 [pid 8343] +++ exited with 0 +++ [pid 8342] +++ exited with 0 +++ [pid 8341] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... rmdir resumed>) = 0 [pid 8347] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 8344] <... mkdirat resumed>) = 0 [pid 8345] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8344] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8342, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8347] creat("./bus", 040 [pid 8345] <... futex resumed>) = 0 [pid 8344] <... futex resumed>) = 1 [pid 8341] <... futex resumed>) = 0 [pid 5055] mkdir("./177", 0777 [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 8345] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8344] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8341] exit_group(0 [pid 5053] <... restart_syscall resumed>) = 0 [pid 8341] <... exit_group resumed>) = ? [pid 8344] <... futex resumed>) = ? [pid 5055] <... mkdir resumed>) = 0 [pid 5053] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8344] +++ exited with 0 +++ [pid 8341] +++ exited with 0 +++ [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8341, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5053] <... openat resumed>) = 3 [pid 8347] <... creat resumed>) = 5 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] newfstatat(3, "", [pid 8347] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8347] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] getdents64(3, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8347] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8345] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8345] <... futex resumed>) = 0 [pid 5055] close(3 [pid 5053] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... openat resumed>) = 3 [pid 8347] mkdirat(AT_FDCWD, "./file0", 000 [pid 8345] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(3, "", [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] newfstatat(AT_FDCWD, "./178/binderfs", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8347] <... mkdirat resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] getdents64(3, ./strace-static-x86_64: Process 8357 attached [pid 8355] <... write resumed>) = 4194304 [pid 8347] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] unlink("./178/binderfs" [pid 8347] <... futex resumed>) = 1 [pid 8345] <... futex resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8357 [pid 8357] set_robust_list(0x55555656d6a0, 24 [pid 8355] munmap(0x7f8720789000, 138412032 [pid 8347] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8345] exit_group(0 [pid 8357] <... set_robust_list resumed>) = 0 [pid 8345] <... exit_group resumed>) = ? [pid 8347] <... futex resumed>) = ? [pid 5053] <... unlink resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./179/binderfs", [pid 8357] chdir("./177" [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8357] <... chdir resumed>) = 0 [pid 8347] +++ exited with 0 +++ [pid 8345] +++ exited with 0 +++ [pid 5052] unlink("./179/binderfs") = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8345, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 8357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8355] <... munmap resumed>) = 0 [pid 8357] <... prctl resumed>) = 0 [pid 5051] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8357] setpgid(0, 0 [pid 8355] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8357] <... setpgid resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8355] <... openat resumed>) = 4 [pid 5052] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 8357] <... openat resumed>) = 3 [pid 8355] ioctl(4, LOOP_SET_FD, 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8357] write(3, "1000", 4 [pid 5051] getdents64(3, [pid 8357] <... write resumed>) = 4 [pid 8355] <... ioctl resumed>) = 0 [pid 8353] <... write resumed>) = 4194304 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8357] close(3 [pid 5051] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8357] <... close resumed>) = 0 [pid 8355] close(3 [pid 8353] munmap(0x7f8720789000, 138412032 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8357] symlink("/dev/binderfs", "./binderfs" [pid 8355] <... close resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./182/binderfs") = 0 [pid 5051] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8357] <... symlink resumed>) = 0 [pid 8355] mkdir("./file0", 0777 [pid 8353] <... munmap resumed>) = 0 [pid 8357] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8355] <... mkdir resumed>) = 0 [pid 8357] <... futex resumed>) = 0 [ 296.555644][ T8355] loop5: detected capacity change from 0 to 8192 [pid 8357] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8355] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8353] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8357] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8357] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8353] <... openat resumed>) = 4 [pid 8357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8353] ioctl(4, LOOP_SET_FD, 3 [pid 8357] <... mmap resumed>) = 0x7f8728b89000 [pid 8353] <... ioctl resumed>) = 0 [pid 8357] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8357] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8353] close(3) = 0 [pid 8357] <... clone3 resumed> => {parent_tid=[8359]}, 88) = 8359 [pid 8353] mkdir("./file0", 0777 [pid 8357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8353] <... mkdir resumed>) = 0 [pid 8357] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8353] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, ""./strace-static-x86_64: Process 8359 attached [pid 8359] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8359] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8359] memfd_create("syzkaller", 0 [pid 8357] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8359] <... memfd_create resumed>) = 3 [pid 8359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 296.605185][ T8353] loop3: detected capacity change from 0 to 8192 [ 296.619083][ T8355] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5051] <... umount2 resumed>) = 0 [pid 5051] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./182/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 296.685308][ T8355] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 296.694697][ T8355] REISERFS (device loop5): using ordered data mode [ 296.702444][ T8353] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 296.716693][ T8353] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 296.727011][ T8353] REISERFS (device loop3): using ordered data mode [pid 5051] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 4 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 296.727241][ T8355] reiserfs: using flush barriers [ 296.734394][ T8353] reiserfs: using flush barriers [ 296.752087][ T8353] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5051] newfstatat(4, "", [pid 8359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] newfstatat(AT_FDCWD, "./178/file0", [pid 5052] <... umount2 resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, [pid 5053] getdents64(4, [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./178/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./178") = 0 [pid 8353] <... mount resumed>) = 0 [pid 5053] mkdir("./179", 0777 [pid 5052] newfstatat(AT_FDCWD, "./179/file0", [pid 5051] getdents64(4, [pid 8353] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5053] <... mkdir resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] rmdir("./182/file0" [pid 5053] <... openat resumed>) = 3 [pid 5052] <... openat resumed>) = 4 [pid 5051] <... rmdir resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8353] <... openat resumed>) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] close(3 [pid 8353] chdir("./file0" [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] getdents64(4, [pid 8353] <... chdir resumed>) = 0 [pid 5053] close(3 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... close resumed>) = 0 [pid 8353] ioctl(4, LOOP_CLR_FD [pid 5053] <... close resumed>) = 0 [pid 5051] rmdir("./182" [pid 8353] <... ioctl resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] getdents64(4, [pid 8353] close(4 [pid 5051] <... rmdir resumed>) = 0 [pid 8353] <... close resumed>) = 0 [pid 5051] mkdir("./183", 0777 [pid 8353] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8361 [pid 8353] <... futex resumed>) = 1 [pid 8351] <... futex resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8361 attached [pid 8353] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8351] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8361] set_robust_list(0x55555656d6a0, 24 [pid 8353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8351] <... futex resumed>) = 0 [pid 8361] <... set_robust_list resumed>) = 0 [pid 8353] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8351] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8353] <... open resumed>) = 4 [pid 5052] close(4 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5052] <... close resumed>) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8361] chdir("./179") = 0 [pid 8353] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] rmdir("./179/file0" [pid 5051] close(3) = 0 [ 296.779953][ T8353] REISERFS (device loop3): checking transaction log (loop3) [ 296.781974][ T8355] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 296.788742][ T8353] REISERFS (device loop3): Using tea hash to sort names [ 296.811526][ T8353] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 296.827805][ T8355] REISERFS (device loop5): checking transaction log (loop5) [pid 8361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8353] <... futex resumed>) = 1 [pid 8351] <... futex resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8361] <... prctl resumed>) = 0 [pid 8353] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8351] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, ./strace-static-x86_64: Process 8362 attached [pid 8361] setpgid(0, 0 [pid 8353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8351] <... futex resumed>) = 0 [pid 8351] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8362] set_robust_list(0x55555656d6a0, 24 [pid 8361] <... setpgid resumed>) = 0 [pid 8353] ftruncate(4, 33587195 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8362 [pid 8361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] close(3) = 0 [pid 5052] rmdir("./179" [pid 8362] <... set_robust_list resumed>) = 0 [pid 8361] <... openat resumed>) = 3 [pid 8353] <... ftruncate resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8362] chdir("./183" [pid 5052] mkdir("./180", 0777 [pid 8353] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... mkdir resumed>) = 0 [pid 8353] <... futex resumed>) = 1 [pid 8351] <... futex resumed>) = 0 [pid 8361] write(3, "1000", 4 [pid 8351] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8361] <... write resumed>) = 4 [pid 8351] <... futex resumed>) = 0 [pid 8362] <... chdir resumed>) = 0 [pid 8361] close(3 [pid 8351] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... openat resumed>) = 3 [pid 8361] <... close resumed>) = 0 [pid 8362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8361] symlink("/dev/binderfs", "./binderfs" [pid 8353] creat("./bus", 040 [pid 8362] <... prctl resumed>) = 0 [pid 8361] <... symlink resumed>) = 0 [pid 8353] <... creat resumed>) = 5 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8362] setpgid(0, 0 [pid 8361] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8362] <... setpgid resumed>) = 0 [pid 8361] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8361] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] close(3 [pid 8361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... close resumed>) = 0 [pid 8361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8362] <... openat resumed>) = 3 [pid 8361] <... mmap resumed>) = 0x7f8728b89000 [pid 8361] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8361] <... mprotect resumed>) = 0 [pid 8362] write(3, "1000", 4) = 4 [pid 8362] close(3) = 0 [pid 8362] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 8363 attached [pid 8362] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8361] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8359] <... write resumed>) = 4194304 [pid 8355] <... mount resumed>) = 0 [pid 8353] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] set_robust_list(0x55555656d6a0, 24 [pid 8362] <... futex resumed>) = 0 [pid 8361] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8359] munmap(0x7f8720789000, 138412032 [pid 8355] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8353] <... futex resumed>) = 1 [pid 8351] <... futex resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8363 [pid 8363] <... set_robust_list resumed>) = 0 [pid 8362] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8361] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8359] <... munmap resumed>) = 0 [pid 8355] <... openat resumed>) = 3 [pid 8353] mkdirat(AT_FDCWD, "./file0", 000 [pid 8351] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] chdir("./180" [pid 8362] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8351] <... futex resumed>) = 0 [pid 8362] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 296.862433][ T8355] REISERFS (device loop5): Using tea hash to sort names [ 296.881384][ T8355] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8351] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8353] <... mkdirat resumed>) = 0 [pid 8362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8363] <... chdir resumed>) = 0 [pid 8362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8355] chdir("./file0" [pid 8363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8362] <... mmap resumed>) = 0x7f8728b89000 [pid 8363] <... prctl resumed>) = 0 [pid 8362] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8359] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8363] setpgid(0, 0 [pid 8362] <... mprotect resumed>) = 0 [pid 8359] <... openat resumed>) = 4 [pid 8363] <... setpgid resumed>) = 0 [pid 8362] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8362] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8359] ioctl(4, LOOP_SET_FD, 3 [pid 8363] <... openat resumed>) = 3 [pid 8362] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8364 attached [pid 8355] <... chdir resumed>) = 0 [pid 8364] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8362] <... clone3 resumed> => {parent_tid=[8364]}, 88) = 8364 [pid 8364] <... rseq resumed>) = 0 [pid 8362] rt_sigprocmask(SIG_SETMASK, [], [pid 8355] ioctl(4, LOOP_CLR_FD [pid 8364] set_robust_list(0x7f8728ba99a0, 24 [pid 8362] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8355] <... ioctl resumed>) = 0 [pid 8364] <... set_robust_list resumed>) = 0 [pid 8362] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8355] close(4 [pid 8364] rt_sigprocmask(SIG_SETMASK, [], [pid 8363] write(3, "1000", 4 [pid 8362] <... futex resumed>) = 0 [pid 8353] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8364] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8363] <... write resumed>) = 4 [pid 8362] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8361] <... clone3 resumed> => {parent_tid=[8365]}, 88) = 8365 [pid 8364] memfd_create("syzkaller", 0 [pid 8363] close(3 [pid 8355] <... close resumed>) = 0 [pid 8353] <... futex resumed>) = 1 [pid 8351] <... futex resumed>) = 0 [pid 8361] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8365 attached [pid 8364] <... memfd_create resumed>) = 3 [pid 8363] <... close resumed>) = 0 [pid 8355] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8351] exit_group(0 [pid 8365] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8363] symlink("/dev/binderfs", "./binderfs" [pid 8361] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8355] <... futex resumed>) = 1 [pid 8354] <... futex resumed>) = 0 [pid 8353] <... futex resumed>) = ? [pid 8351] <... exit_group resumed>) = ? [pid 8365] <... rseq resumed>) = 0 [pid 8364] <... mmap resumed>) = 0x7f8720789000 [pid 8363] <... symlink resumed>) = 0 [pid 8354] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8353] +++ exited with 0 +++ [pid 8365] set_robust_list(0x7f8728ba99a0, 24 [pid 8363] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8361] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8354] <... futex resumed>) = 0 [pid 8351] +++ exited with 0 +++ [pid 8365] <... set_robust_list resumed>) = 0 [pid 8363] <... futex resumed>) = 0 [pid 8361] <... futex resumed>) = 0 [pid 8354] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8351, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8365] rt_sigprocmask(SIG_SETMASK, [], [pid 8363] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8361] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8355] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8365] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8363] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8365] memfd_create("syzkaller", 0 [pid 8363] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8365] <... memfd_create resumed>) = 3 [pid 8363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8359] <... ioctl resumed>) = 0 [pid 8365] <... mmap resumed>) = 0x7f8720789000 [pid 8363] <... mmap resumed>) = 0x7f8728b89000 [pid 8359] close(3 [pid 8355] <... open resumed>) = 4 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8363] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8359] <... close resumed>) = 0 [pid 8355] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8363] <... mprotect resumed>) = 0 [pid 8359] mkdir("./file0", 0777 [pid 8355] <... futex resumed>) = 1 [pid 8354] <... futex resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 8363] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8359] <... mkdir resumed>) = 0 [pid 8355] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8354] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(3, "", [pid 8363] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8359] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8354] <... futex resumed>) = 0 [ 296.948090][ T8359] loop4: detected capacity change from 0 to 8192 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8363] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8355] ftruncate(4, 33587195 [pid 8354] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8367 attached [pid 5054] getdents64(3, [pid 8355] <... ftruncate resumed>) = 0 [pid 8367] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8363] <... clone3 resumed> => {parent_tid=[8367]}, 88) = 8367 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8367] <... rseq resumed>) = 0 [pid 8363] rt_sigprocmask(SIG_SETMASK, [], [pid 8367] set_robust_list(0x7f8728ba99a0, 24 [pid 8363] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8367] <... set_robust_list resumed>) = 0 [pid 8363] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8355] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8367] rt_sigprocmask(SIG_SETMASK, [], [pid 8363] <... futex resumed>) = 0 [pid 8355] <... futex resumed>) = 1 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8354] <... futex resumed>) = 0 [pid 8367] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8363] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8355] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8354] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(AT_FDCWD, "./176/binderfs", [pid 8367] memfd_create("syzkaller", 0 [pid 8355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8354] <... futex resumed>) = 0 [pid 8355] creat("./bus", 040 [pid 8354] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8367] <... memfd_create resumed>) = 3 [pid 5054] unlink("./176/binderfs" [pid 8355] <... creat resumed>) = 5 [pid 5054] <... unlink resumed>) = 0 [pid 8367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 297.004329][ T8359] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8355] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8354] <... futex resumed>) = 0 [pid 8355] mkdirat(AT_FDCWD, "./file0", 000 [pid 8354] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8354] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8355] <... mkdirat resumed>) = 0 [pid 8365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8355] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8354] <... futex resumed>) = 0 [pid 8354] exit_group(0) = ? [pid 8355] +++ exited with 0 +++ [pid 8354] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8354, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [ 297.076180][ T8359] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 5056] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./178/binderfs") = 0 [pid 5056] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8364] <... write resumed>) = 4194304 [ 297.120615][ T8359] REISERFS (device loop4): using ordered data mode [ 297.140146][ T8359] reiserfs: using flush barriers [pid 8364] munmap(0x7f8720789000, 138412032) = 0 [pid 8364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 297.173908][ T8359] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 297.199003][ T8364] loop0: detected capacity change from 0 to 8192 [pid 8364] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8364] close(3) = 0 [pid 8364] mkdir("./file0", 0777) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8364] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./176/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 297.226117][ T8359] REISERFS (device loop4): checking transaction log (loop4) [ 297.237501][ T8359] REISERFS (device loop4): Using tea hash to sort names [ 297.252150][ T8359] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 297.261714][ T8364] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8365] <... write resumed>) = 4194304 [pid 8359] <... mount resumed>) = 0 [pid 5054] newfstatat(4, "", [pid 8365] munmap(0x7f8720789000, 138412032 [pid 8359] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8365] <... munmap resumed>) = 0 [pid 8359] <... openat resumed>) = 3 [pid 5054] getdents64(4, [pid 8365] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8365] <... openat resumed>) = 4 [pid 8359] chdir("./file0" [pid 5054] getdents64(4, [pid 8365] ioctl(4, LOOP_SET_FD, 3 [pid 8359] <... chdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./176/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./176") = 0 [pid 5054] mkdir("./177", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [ 297.289436][ T8365] loop2: detected capacity change from 0 to 8192 [ 297.303869][ T8364] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 297.313143][ T8364] REISERFS (device loop0): using ordered data mode [ 297.320105][ T8364] reiserfs: using flush barriers [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8369 attached [pid 8367] <... write resumed>) = 4194304 [pid 8359] ioctl(4, LOOP_CLR_FD [pid 8369] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8369 [pid 8369] <... set_robust_list resumed>) = 0 [pid 8369] chdir("./177" [pid 8365] <... ioctl resumed>) = 0 [pid 8365] close(3) = 0 [pid 8369] <... chdir resumed>) = 0 [pid 8365] mkdir("./file0", 0777 [pid 8359] <... ioctl resumed>) = 0 [pid 8365] <... mkdir resumed>) = 0 [pid 8359] close(4) = 0 [pid 8359] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8367] munmap(0x7f8720789000, 138412032 [pid 8364] <... mount resumed>) = 0 [pid 8359] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8357] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 8369] <... prctl resumed>) = 0 [pid 8367] <... munmap resumed>) = 0 [pid 8364] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8357] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] setpgid(0, 0 [pid 8367] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8364] <... openat resumed>) = 3 [pid 8359] <... futex resumed>) = 0 [pid 8357] <... futex resumed>) = 1 [pid 8369] <... setpgid resumed>) = 0 [pid 8367] <... openat resumed>) = 4 [ 297.327704][ T8364] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 297.346514][ T8364] REISERFS (device loop0): checking transaction log (loop0) [ 297.356159][ T8364] REISERFS (device loop0): Using tea hash to sort names [ 297.363994][ T8364] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8365] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8364] chdir("./file0" [pid 8359] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8357] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8367] ioctl(4, LOOP_SET_FD, 3 [pid 8364] <... chdir resumed>) = 0 [pid 8359] <... open resumed>) = 4 [pid 8369] <... openat resumed>) = 3 [pid 8364] ioctl(4, LOOP_CLR_FD [pid 8359] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8359] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] write(3, "1000", 4 [pid 8367] <... ioctl resumed>) = 0 [pid 8364] <... ioctl resumed>) = 0 [pid 8357] <... futex resumed>) = 0 [pid 8357] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8364] close(4 [pid 8357] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8364] <... close resumed>) = 0 [pid 8364] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8364] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] <... write resumed>) = 4 [pid 8362] <... futex resumed>) = 0 [pid 8362] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] close(3 [pid 8364] <... futex resumed>) = 0 [pid 8362] <... futex resumed>) = 1 [pid 8369] <... close resumed>) = 0 [pid 8364] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8369] symlink("/dev/binderfs", "./binderfs" [pid 8364] <... open resumed>) = 4 [pid 8362] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8369] <... symlink resumed>) = 0 [pid 8359] <... futex resumed>) = 0 [pid 8369] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8364] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8364] <... futex resumed>) = 1 [pid 8362] <... futex resumed>) = 0 [pid 8369] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8364] ftruncate(4, 33587195 [pid 8362] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8362] <... futex resumed>) = 0 [pid 8369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8362] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8369] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8359] ftruncate(4, 33587195 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8369] <... mprotect resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./178/file0", [pid 8369] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8369] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 297.390992][ T8365] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 297.406777][ T8367] loop1: detected capacity change from 0 to 8192 [ 297.410350][ T8365] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 297.428154][ T8365] REISERFS (device loop2): using ordered data mode [ 297.435624][ T8365] reiserfs: using flush barriers [pid 8369] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8371 attached [pid 8367] close(3 [pid 8364] <... ftruncate resumed>) = 0 [pid 8359] <... ftruncate resumed>) = 0 [pid 8357] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8371] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8369] <... clone3 resumed> => {parent_tid=[8371]}, 88) = 8371 [pid 8367] <... close resumed>) = 0 [pid 8364] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8359] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8357] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 4 [pid 8371] <... rseq resumed>) = 0 [pid 8369] rt_sigprocmask(SIG_SETMASK, [], [pid 8364] <... futex resumed>) = 1 [pid 8362] <... futex resumed>) = 0 [pid 8357] <... futex resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 8371] set_robust_list(0x7f8728ba99a0, 24 [pid 8369] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8364] creat("./bus", 040 [pid 8362] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8357] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8371] <... set_robust_list resumed>) = 0 [pid 8369] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8367] mkdir("./file0", 0777 [pid 8364] <... creat resumed>) = 5 [pid 8362] <... futex resumed>) = 0 [pid 8359] <... futex resumed>) = 0 [pid 8357] <... mmap resumed>) = 0x7f8728b68000 [pid 5056] getdents64(4, [pid 8371] rt_sigprocmask(SIG_SETMASK, [], [pid 8369] <... futex resumed>) = 0 [pid 8362] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8357] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8371] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8369] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8364] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8357] <... mprotect resumed>) = 0 [pid 5056] getdents64(4, [pid 8371] memfd_create("syzkaller", 0 [pid 8364] <... futex resumed>) = 1 [pid 8362] <... futex resumed>) = 0 [pid 8357] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8371] <... memfd_create resumed>) = 3 [pid 8364] mkdirat(AT_FDCWD, "./file0", 000 [pid 8362] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8359] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8357] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] close(4 [pid 8371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8367] <... mkdir resumed>) = 0 [pid 8364] <... mkdirat resumed>) = 0 [pid 8362] <... futex resumed>) = 0 [pid 8357] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 5056] <... close resumed>) = 0 ./strace-static-x86_64: Process 8372 attached [pid 8371] <... mmap resumed>) = 0x7f8720789000 [pid 8362] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] rmdir("./178/file0" [pid 8372] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8364] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8357] <... clone3 resumed> => {parent_tid=[8372]}, 88) = 8372 [pid 8372] <... rseq resumed>) = 0 [pid 8367] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8362] exit_group(0 [pid 8357] rt_sigprocmask(SIG_SETMASK, [], [pid 8372] set_robust_list(0x7f8728b889a0, 24 [pid 8364] <... futex resumed>) = ? [pid 8362] <... exit_group resumed>) = ? [ 297.454344][ T8365] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 297.471643][ T8365] REISERFS (device loop2): checking transaction log (loop2) [ 297.484948][ T8365] REISERFS (device loop2): Using tea hash to sort names [ 297.495189][ T8365] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8357] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 8372] <... set_robust_list resumed>) = 0 [pid 8365] <... mount resumed>) = 0 [pid 8364] +++ exited with 0 +++ [pid 8362] +++ exited with 0 +++ [pid 8357] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8372] rt_sigprocmask(SIG_SETMASK, [], [pid 8357] <... futex resumed>) = 0 [pid 8372] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8357] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] getdents64(3, [pid 8372] creat("./bus", 040 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8362, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 8372] <... creat resumed>) = 5 [pid 8371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8365] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] close(3 [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 8372] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... close resumed>) = 0 [pid 5051] <... restart_syscall resumed>) = 0 [pid 8372] <... futex resumed>) = 1 [pid 8357] <... futex resumed>) = 0 [pid 5056] rmdir("./178" [pid 8372] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8357] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 8357] <... futex resumed>) = 1 [pid 5056] mkdir("./179", 0777 [pid 5051] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8365] <... openat resumed>) = 3 [pid 8359] <... futex resumed>) = 0 [pid 8357] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... mkdir resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8365] chdir("./file0" [pid 8359] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8365] <... chdir resumed>) = 0 [pid 8359] <... mkdirat resumed>) = 0 [ 297.512888][ T8367] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 297.532135][ T8367] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 297.542262][ T8367] REISERFS (device loop1): using ordered data mode [ 297.548944][ T8367] reiserfs: using flush barriers [pid 8365] ioctl(4, LOOP_CLR_FD [pid 5051] <... openat resumed>) = 3 [pid 8365] <... ioctl resumed>) = 0 [pid 8359] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 8365] close(4 [pid 8359] <... futex resumed>) = 1 [pid 8365] <... close resumed>) = 0 [pid 8365] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8359] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8365] <... futex resumed>) = 1 [pid 8361] <... futex resumed>) = 0 [pid 8365] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8361] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8361] <... futex resumed>) = 0 [pid 8365] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8361] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8365] <... open resumed>) = 4 [pid 8365] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8361] <... futex resumed>) = 0 [pid 8361] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8361] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8365] ftruncate(4, 33587195) = 0 [pid 8357] <... futex resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5051] newfstatat(3, "", [pid 8365] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8357] exit_group(0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8365] <... futex resumed>) = 1 [pid 8365] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8361] <... futex resumed>) = 0 [pid 8361] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = 0 [pid 8361] <... futex resumed>) = 1 [pid 8365] creat("./bus", 040) = 5 [pid 8361] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8372] <... futex resumed>) = ? [pid 8367] <... mount resumed>) = 0 [pid 8359] <... futex resumed>) = ? [pid 8357] <... exit_group resumed>) = ? [pid 5056] close(3 [pid 5051] getdents64(3, [pid 8372] +++ exited with 0 +++ [pid 8367] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8365] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8359] +++ exited with 0 +++ [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8367] <... openat resumed>) = 3 [pid 5051] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8367] chdir("./file0" [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] newfstatat(AT_FDCWD, "./183/binderfs", ./strace-static-x86_64: Process 8374 attached [pid 8365] <... futex resumed>) = 1 [pid 8361] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./183/binderfs" [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8374 [pid 8374] set_robust_list(0x55555656d6a0, 24 [pid 8367] <... chdir resumed>) = 0 [pid 8365] mkdirat(AT_FDCWD, "./file0", 000 [pid 8361] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8357] +++ exited with 0 +++ [pid 5051] <... unlink resumed>) = 0 [pid 8374] <... set_robust_list resumed>) = 0 [pid 8371] <... write resumed>) = 4194304 [pid 8367] ioctl(4, LOOP_CLR_FD [pid 8365] <... mkdirat resumed>) = 0 [pid 8361] <... futex resumed>) = 0 [pid 5051] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8374] chdir("./179" [pid 8371] munmap(0x7f8720789000, 138412032 [pid 8367] <... ioctl resumed>) = 0 [pid 8365] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8361] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8357, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 8367] close(4 [pid 8365] <... futex resumed>) = 0 [pid 8361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8367] <... close resumed>) = 0 [pid 8365] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8361] exit_group(0 [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 8374] <... chdir resumed>) = 0 [pid 8367] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8365] <... futex resumed>) = ? [pid 8361] <... exit_group resumed>) = ? [pid 5055] <... restart_syscall resumed>) = 0 [pid 8371] <... munmap resumed>) = 0 [ 297.557470][ T8367] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 297.574801][ T8367] REISERFS (device loop1): checking transaction log (loop1) [ 297.584161][ T8367] REISERFS (device loop1): Using tea hash to sort names [ 297.591654][ T8367] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8371] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8367] <... futex resumed>) = 1 [pid 8365] +++ exited with 0 +++ [pid 8363] <... futex resumed>) = 0 [pid 8361] +++ exited with 0 +++ [pid 8374] <... prctl resumed>) = 0 [pid 8371] <... openat resumed>) = 4 [pid 8363] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8374] setpgid(0, 0 [pid 8371] ioctl(4, LOOP_SET_FD, 3 [pid 8363] <... futex resumed>) = 0 [pid 5055] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8361, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 8374] <... setpgid resumed>) = 0 [pid 8371] <... ioctl resumed>) = 0 [pid 8367] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8363] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8371] close(3 [pid 5055] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8374] <... openat resumed>) = 3 [pid 8371] <... close resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 8374] write(3, "1000", 4 [pid 8371] mkdir("./file0", 0777 [pid 8367] <... open resumed>) = 4 [pid 5055] newfstatat(3, "", [pid 8374] <... write resumed>) = 4 [pid 8371] <... mkdir resumed>) = 0 [pid 8367] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8374] close(3 [pid 5055] getdents64(3, [pid 8374] <... close resumed>) = 0 [pid 8371] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8367] <... futex resumed>) = 1 [pid 8363] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8374] symlink("/dev/binderfs", "./binderfs" [pid 8367] ftruncate(4, 33587195 [pid 8363] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8374] <... symlink resumed>) = 0 [pid 8363] <... futex resumed>) = 0 [pid 8374] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8363] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8374] <... futex resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./177/binderfs", [pid 5053] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8374] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8374] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5053] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", [pid 5055] unlink("./177/binderfs" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... unlink resumed>) = 0 [pid 5053] getdents64(3, [pid 8374] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8374] <... mmap resumed>) = 0x7f8728b89000 [pid 8374] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8374] <... mprotect resumed>) = 0 [pid 8374] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8374] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8376 attached => {parent_tid=[8376]}, 88) = 8376 [pid 8376] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8374] rt_sigprocmask(SIG_SETMASK, [], [pid 8376] set_robust_list(0x7f8728ba99a0, 24 [pid 8374] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8376] <... set_robust_list resumed>) = 0 [pid 8374] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8374] <... futex resumed>) = 0 [pid 8376] memfd_create("syzkaller", 0 [pid 8374] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8376] <... memfd_create resumed>) = 3 [pid 8376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8367] <... ftruncate resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./179/binderfs", [pid 8367] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8367] <... futex resumed>) = 1 [pid 5053] unlink("./179/binderfs" [pid 8363] <... futex resumed>) = 0 [pid 8363] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... unlink resumed>) = 0 [pid 8367] creat("./bus", 040 [pid 8363] <... futex resumed>) = 0 [pid 5053] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8367] <... creat resumed>) = 5 [pid 8363] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8367] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8367] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8363] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 297.646605][ T8371] loop3: detected capacity change from 0 to 8192 [ 297.670398][ T8371] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8363] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8367] <... futex resumed>) = 0 [pid 8367] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8367] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8363] <... futex resumed>) = 0 [pid 8367] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8363] exit_group(0 [pid 8367] <... futex resumed>) = ? [pid 8363] <... exit_group resumed>) = ? [pid 8367] +++ exited with 0 +++ [pid 8363] +++ exited with 0 +++ [ 297.723740][ T8371] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 297.734644][ T8371] REISERFS (device loop3): using ordered data mode [ 297.742424][ T8371] reiserfs: using flush barriers [pid 8376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5051] <... umount2 resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8363, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5051] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./183/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... openat resumed>) = 3 [pid 5051] <... openat resumed>) = 4 [pid 5052] newfstatat(3, "", [pid 5051] newfstatat(4, "", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(4) = 0 [pid 5051] rmdir("./183/file0" [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... rmdir resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./180/binderfs", [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] close(3) = 0 [pid 5052] unlink("./180/binderfs" [ 297.773760][ T8371] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5051] rmdir("./183" [pid 5052] <... unlink resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5051] mkdir("./184", 0777) = 0 [pid 5052] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8377 attached , child_tidptr=0x55555656d690) = 8377 [pid 8377] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8377] chdir("./184") = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5053] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./179/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8376] <... write resumed>) = 4194304 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4 [pid 8377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] <... close resumed>) = 0 [pid 8377] <... prctl resumed>) = 0 [pid 8376] munmap(0x7f8720789000, 138412032 [pid 8377] setpgid(0, 0 [pid 8376] <... munmap resumed>) = 0 [pid 5053] rmdir("./179/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./179") = 0 [pid 8377] <... setpgid resumed>) = 0 [pid 8376] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5053] mkdir("./180", 0777 [pid 8376] <... openat resumed>) = 4 [pid 5053] <... mkdir resumed>) = 0 [pid 8376] ioctl(4, LOOP_SET_FD, 3 [ 297.874358][ T8371] REISERFS (device loop3): checking transaction log (loop3) [ 297.907755][ T8371] REISERFS (device loop3): Using tea hash to sort names [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8376] <... ioctl resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 8377] write(3, "1000", 4 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8378 ./strace-static-x86_64: Process 8378 attached [pid 8378] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8378] chdir("./180") = 0 [pid 8378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8378] setpgid(0, 0) = 0 [pid 8378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8377] <... write resumed>) = 4 [pid 8376] close(3 [pid 8371] <... mount resumed>) = 0 [pid 5055] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8376] <... close resumed>) = 0 [pid 8376] mkdir("./file0", 0777 [pid 8377] close(3) = 0 [pid 8376] <... mkdir resumed>) = 0 [pid 8377] symlink("/dev/binderfs", "./binderfs" [pid 8378] write(3, "1000", 4 [pid 8376] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8371] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8378] <... write resumed>) = 4 [pid 8377] <... symlink resumed>) = 0 [pid 8371] <... openat resumed>) = 3 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8377] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./177/file0", [pid 8377] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8378] close(3 [pid 8371] chdir("./file0" [pid 5055] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8378] <... close resumed>) = 0 [pid 8371] <... chdir resumed>) = 0 [pid 5055] <... openat resumed>) = 4 [pid 8378] symlink("/dev/binderfs", "./binderfs" [pid 8371] ioctl(4, LOOP_CLR_FD [pid 5055] newfstatat(4, "", [pid 8377] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8371] <... ioctl resumed>) = 0 [ 297.924631][ T8376] loop5: detected capacity change from 0 to 8192 [ 297.932444][ T8371] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8378] <... symlink resumed>) = 0 [pid 8377] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8371] close(4 [pid 5055] getdents64(4, [pid 8378] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8371] <... close resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8378] <... futex resumed>) = 0 [pid 8371] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 8378] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8371] <... futex resumed>) = 1 [pid 8369] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8378] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8371] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] close(4 [pid 8378] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8369] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8369] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] rmdir("./177/file0" [pid 8378] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8371] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5055] <... rmdir resumed>) = 0 [pid 8378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8371] <... open resumed>) = 4 [pid 5055] getdents64(3, [pid 8378] <... mmap resumed>) = 0x7f8728b89000 [pid 8371] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8378] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8371] <... futex resumed>) = 1 [pid 8369] <... futex resumed>) = 0 [pid 5055] close(3 [pid 8378] <... mprotect resumed>) = 0 [pid 8371] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 8378] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8369] <... futex resumed>) = 0 [pid 8369] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8377] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8378] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8371] ftruncate(4, 33587195 [pid 5055] rmdir("./177" [pid 8378] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8371] <... ftruncate resumed>) = 0 [pid 5055] mkdir("./178", 0777) = 0 [pid 8378] <... clone3 resumed> => {parent_tid=[8380]}, 88) = 8380 [pid 8378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8378] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 8377] <... mmap resumed>) = 0x7f8728b89000 [ 297.970360][ T8376] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 297.986219][ T8376] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 297.996691][ T8376] REISERFS (device loop5): using ordered data mode [ 298.005300][ T8376] reiserfs: using flush barriers ./strace-static-x86_64: Process 8380 attached [pid 8378] <... futex resumed>) = 0 [pid 8377] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8371] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8377] <... mprotect resumed>) = 0 [pid 8371] <... futex resumed>) = 1 [pid 8371] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] <... futex resumed>) = 0 [pid 8369] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8371] <... futex resumed>) = 0 [pid 8369] <... futex resumed>) = 1 [pid 8371] creat("./bus", 040 [pid 8377] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] <... umount2 resumed>) = 0 [pid 8377] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8369] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8377] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5052] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8380] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8378] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] close(3 [pid 5052] newfstatat(AT_FDCWD, "./180/file0", [pid 8377] <... clone3 resumed> => {parent_tid=[8381]}, 88) = 8381 [pid 8380] <... rseq resumed>) = 0 [pid 8377] rt_sigprocmask(SIG_SETMASK, [], [pid 8371] <... creat resumed>) = 5 [pid 5055] <... close resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8377] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8380] set_robust_list(0x7f8728ba99a0, 24 [pid 8377] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8371] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8380] <... set_robust_list resumed>) = 0 [pid 8377] <... futex resumed>) = 0 [pid 8371] <... futex resumed>) = 1 [pid 8369] <... futex resumed>) = 0 [pid 5052] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8377] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8380] rt_sigprocmask(SIG_SETMASK, [], [pid 8371] mkdirat(AT_FDCWD, "./file0", 000 [pid 8369] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 4 [pid 8380] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8371] <... mkdirat resumed>) = 0 [pid 8369] <... futex resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8382 [pid 8380] memfd_create("syzkaller", 0 [pid 8371] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8369] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8380] <... memfd_create resumed>) = 3 [pid 8371] <... futex resumed>) = 0 [pid 8369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 8382 attached ./strace-static-x86_64: Process 8381 attached [pid 8380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8371] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8369] exit_group(0 [pid 8382] set_robust_list(0x55555656d6a0, 24 [pid 8381] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8380] <... mmap resumed>) = 0x7f8720789000 [pid 8371] <... futex resumed>) = ? [pid 8369] <... exit_group resumed>) = ? [pid 8381] <... rseq resumed>) = 0 [pid 8371] +++ exited with 0 +++ [pid 8369] +++ exited with 0 +++ [pid 5052] newfstatat(4, "", [pid 8382] <... set_robust_list resumed>) = 0 [pid 8381] set_robust_list(0x7f8728ba99a0, 24 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8382] chdir("./178" [pid 8381] <... set_robust_list resumed>) = 0 [pid 8382] <... chdir resumed>) = 0 [pid 8381] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8369, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5052] getdents64(4, [pid 8382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8381] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8382] setpgid(0, 0 [pid 8381] memfd_create("syzkaller", 0 [pid 5054] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8382] <... setpgid resumed>) = 0 [pid 8381] <... memfd_create resumed>) = 3 [pid 8382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8382] <... openat resumed>) = 3 [pid 8381] <... mmap resumed>) = 0x7f8720789000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] getdents64(4, [ 298.012139][ T8376] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 298.047274][ T8376] REISERFS (device loop5): checking transaction log (loop5) [ 298.058311][ T8376] REISERFS (device loop5): Using tea hash to sort names [pid 8382] write(3, "1000", 4 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8382] <... write resumed>) = 4 [pid 5052] close(4 [pid 5054] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = 0 [pid 5054] newfstatat(3, "", [pid 5052] rmdir("./180/file0" [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8382] close(3 [pid 8376] <... mount resumed>) = 0 [pid 5054] getdents64(3, [pid 5052] <... rmdir resumed>) = 0 [pid 8382] <... close resumed>) = 0 [pid 8382] symlink("/dev/binderfs", "./binderfs" [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] getdents64(3, [pid 8382] <... symlink resumed>) = 0 [pid 8382] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8382] <... futex resumed>) = 0 [pid 8376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5054] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(3 [pid 8376] <... openat resumed>) = 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... close resumed>) = 0 [pid 8376] chdir("./file0" [pid 5054] newfstatat(AT_FDCWD, "./177/binderfs", [pid 5052] rmdir("./180" [pid 8376] <... chdir resumed>) = 0 [pid 8382] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8376] ioctl(4, LOOP_CLR_FD [pid 5052] <... rmdir resumed>) = 0 [pid 8382] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8376] <... ioctl resumed>) = 0 [pid 5054] unlink("./177/binderfs" [pid 5052] mkdir("./181", 0777 [pid 8382] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8376] close(4 [pid 8382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... unlink resumed>) = 0 [pid 8382] <... mmap resumed>) = 0x7f8728b89000 [ 298.086782][ T8376] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8382] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8376] <... close resumed>) = 0 [pid 5054] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... mkdir resumed>) = 0 [pid 8376] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8382] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8376] <... futex resumed>) = 1 [pid 8382] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8382] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8383]}, 88) = 8383 [pid 8382] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8382] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8382] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 3 [pid 8376] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8382] <... futex resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8382] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8383 attached [pid 8374] <... futex resumed>) = 0 [pid 8383] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8374] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 8383] <... rseq resumed>) = 0 [pid 8376] <... futex resumed>) = 0 [pid 8374] <... futex resumed>) = 1 [pid 8383] set_robust_list(0x7f8728ba99a0, 24 [pid 8376] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8374] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... close resumed>) = 0 [pid 8383] <... set_robust_list resumed>) = 0 [pid 8376] <... open resumed>) = 4 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8383] rt_sigprocmask(SIG_SETMASK, [], [pid 8376] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8376] <... futex resumed>) = 1 [pid 8374] <... futex resumed>) = 0 [pid 8383] memfd_create("syzkaller", 0 [pid 8376] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8374] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] <... memfd_create resumed>) = 3 [pid 8376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8374] <... futex resumed>) = 0 [pid 8383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8384 attached [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8384 [pid 8384] set_robust_list(0x55555656d6a0, 24 [pid 8383] <... mmap resumed>) = 0x7f8720789000 [pid 8374] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] <... set_robust_list resumed>) = 0 [pid 8376] ftruncate(4, 33587195 [pid 8384] chdir("./181") = 0 [pid 8384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8384] setpgid(0, 0 [pid 8376] <... ftruncate resumed>) = 0 [pid 8384] <... setpgid resumed>) = 0 [pid 8376] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8376] <... futex resumed>) = 1 [pid 8376] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8374] <... futex resumed>) = 0 [pid 8374] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8376] <... futex resumed>) = 0 [pid 8374] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8376] creat("./bus", 040 [pid 8384] <... openat resumed>) = 3 [pid 8376] <... creat resumed>) = 5 [pid 8384] write(3, "1000", 4) = 4 [pid 8384] close(3) = 0 [pid 8384] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8376] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8384] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8376] <... futex resumed>) = 1 [pid 8376] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8374] <... futex resumed>) = 0 [pid 8374] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8376] <... futex resumed>) = 0 [pid 8374] <... futex resumed>) = 1 [pid 8384] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8384] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8376] mkdirat(AT_FDCWD, "./file0", 000 [pid 8374] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8376] <... mkdirat resumed>) = 0 [pid 8380] <... write resumed>) = 4194304 [pid 8376] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8376] <... futex resumed>) = 1 [pid 8374] <... futex resumed>) = 0 [pid 8374] exit_group(0 [pid 8384] <... mmap resumed>) = 0x7f8728b89000 [pid 8374] <... exit_group resumed>) = ? [pid 8384] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8381] <... write resumed>) = 4194304 [pid 8384] <... mprotect resumed>) = 0 [pid 8381] munmap(0x7f8720789000, 138412032 [pid 8380] munmap(0x7f8720789000, 138412032 [pid 8376] +++ exited with 0 +++ [pid 8374] +++ exited with 0 +++ [pid 8384] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8374, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5056] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8380] <... munmap resumed>) = 0 [pid 8384] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8384] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... openat resumed>) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8384] <... clone3 resumed> => {parent_tid=[8385]}, 88) = 8385 [pid 5056] getdents64(3, [pid 8384] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8384] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8384] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8384] <... futex resumed>) = 0 [pid 8384] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 8385 attached [pid 8383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8381] <... munmap resumed>) = 0 [pid 8380] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5056] unlink("./179/binderfs" [pid 8385] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8381] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8385] <... rseq resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 8385] set_robust_list(0x7f8728ba99a0, 24 [pid 8381] <... openat resumed>) = 4 [pid 8385] <... set_robust_list resumed>) = 0 [pid 8381] ioctl(4, LOOP_SET_FD, 3 [pid 8380] <... openat resumed>) = 4 [pid 8385] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8385] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8380] ioctl(4, LOOP_SET_FD, 3 [pid 8385] memfd_create("syzkaller", 0 [pid 5054] <... umount2 resumed>) = 0 [pid 8385] <... memfd_create resumed>) = 3 [pid 8385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8381] <... ioctl resumed>) = 0 [pid 8380] <... ioctl resumed>) = 0 [pid 5054] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8380] close(3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8380] <... close resumed>) = 0 [pid 8381] close(3) = 0 [pid 8380] mkdir("./file0", 0777 [pid 8381] mkdir("./file0", 0777 [pid 5054] <... openat resumed>) = 4 [pid 8381] <... mkdir resumed>) = 0 [pid 8380] <... mkdir resumed>) = 0 [pid 5054] newfstatat(4, "", [pid 8381] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8380] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [ 298.288948][ T8380] loop2: detected capacity change from 0 to 8192 [ 298.302029][ T8381] loop0: detected capacity change from 0 to 8192 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./177/file0") = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3) = 0 [pid 5054] rmdir("./177" [pid 8385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... rmdir resumed>) = 0 [ 298.335951][ T8380] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.358348][ T8381] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] mkdir("./178", 0777) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8383] <... write resumed>) = 4194304 [pid 5054] <... openat resumed>) = 3 [pid 8383] munmap(0x7f8720789000, 138412032 [ 298.396052][ T8380] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 298.414097][ T8381] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8383] <... munmap resumed>) = 0 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] close(3 [pid 8385] <... write resumed>) = 4194304 [pid 8383] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8383] <... openat resumed>) = 4 [pid 8385] munmap(0x7f8720789000, 138412032 [pid 8383] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8388 attached [pid 8388] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8388] chdir("./178") = 0 [pid 8388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8388] setpgid(0, 0) = 0 [pid 8388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8388] write(3, "1000", 4) = 4 [pid 8388] close(3) = 0 [pid 8388] symlink("/dev/binderfs", "./binderfs") = 0 [ 298.446967][ T8380] REISERFS (device loop2): using ordered data mode [ 298.453545][ T8380] reiserfs: using flush barriers [ 298.461540][ T8381] REISERFS (device loop0): using ordered data mode [ 298.469261][ T8380] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 298.479117][ T8381] reiserfs: using flush barriers [pid 8388] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8388] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8388 [pid 8388] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8388] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8385] <... munmap resumed>) = 0 [pid 8388] <... mmap resumed>) = 0x7f8728b89000 [pid 8383] <... ioctl resumed>) = 0 [pid 5056] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8388] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8383] close(3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8388] <... mprotect resumed>) = 0 [pid 8383] <... close resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./179/file0", [pid 8385] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8388] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8385] <... openat resumed>) = 4 [pid 8383] mkdir("./file0", 0777 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8388] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8388] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8389 attached [pid 8389] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8389] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8389] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8388] <... clone3 resumed> => {parent_tid=[8389]}, 88) = 8389 [pid 8388] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8388] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8388] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8389] <... futex resumed>) = 0 [pid 8388] <... futex resumed>) = 1 [pid 8385] ioctl(4, LOOP_SET_FD, 3 [pid 8383] <... mkdir resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8389] memfd_create("syzkaller", 0 [pid 8388] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8389] <... memfd_create resumed>) = 3 [pid 8389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5056] <... openat resumed>) = 4 [pid 8385] <... ioctl resumed>) = 0 [pid 8383] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, [pid 8385] close(3 [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8385] <... close resumed>) = 0 [pid 5056] close(4 [pid 8385] mkdir("./file0", 0777 [pid 5056] <... close resumed>) = 0 [pid 5056] rmdir("./179/file0" [pid 8385] <... mkdir resumed>) = 0 [ 298.491545][ T8383] loop4: detected capacity change from 0 to 8192 [ 298.504457][ T8381] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 298.504806][ T8380] REISERFS (device loop2): checking transaction log (loop2) [ 298.531711][ T8385] loop1: detected capacity change from 0 to 8192 [pid 8385] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] <... rmdir resumed>) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./179") = 0 [ 298.544923][ T8383] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.549154][ T8381] REISERFS (device loop0): checking transaction log (loop0) [ 298.559626][ T8383] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 298.575132][ T8383] REISERFS (device loop4): using ordered data mode [ 298.584687][ T8380] REISERFS (device loop2): Using tea hash to sort names [ 298.586090][ T8383] reiserfs: using flush barriers [pid 5056] mkdir("./180", 0777) = 0 [ 298.592449][ T8380] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 298.607368][ T8381] REISERFS (device loop0): Using tea hash to sort names [ 298.608319][ T8385] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.627776][ T8381] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8381] <... mount resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8380] <... mount resumed>) = 0 [pid 8380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8380] chdir("./file0") = 0 [pid 8389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8381] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] <... openat resumed>) = 3 [pid 8381] <... openat resumed>) = 3 [pid 8380] ioctl(4, LOOP_CLR_FD) = 0 [pid 8381] chdir("./file0" [pid 8380] close(4 [pid 8381] <... chdir resumed>) = 0 [pid 8380] <... close resumed>) = 0 [pid 8381] ioctl(4, LOOP_CLR_FD [pid 8380] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... ioctl resumed>) = 0 [pid 8380] <... futex resumed>) = 1 [pid 8381] close(4 [pid 8380] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8381] <... close resumed>) = 0 [pid 8381] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8377] <... futex resumed>) = 0 [pid 8377] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8377] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8381] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8378] <... futex resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8381] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8377] <... futex resumed>) = 0 [pid 8377] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] ftruncate(4, 33587195 [pid 8377] <... futex resumed>) = 0 [pid 8377] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8381] <... ftruncate resumed>) = 0 [pid 8378] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8378] <... futex resumed>) = 1 [pid 5056] close(3 [pid 8378] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... close resumed>) = 0 [pid 8380] <... futex resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8380] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8381] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] <... open resumed>) = 4 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8392 [pid 8381] <... futex resumed>) = 1 [ 298.628627][ T8383] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 298.656965][ T8383] REISERFS (device loop4): checking transaction log (loop4) [ 298.658762][ T8385] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 298.681119][ T8383] REISERFS (device loop4): Using tea hash to sort names [ 298.689100][ T8383] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8381] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 8392 attached [pid 8380] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8377] <... futex resumed>) = 0 [pid 8392] set_robust_list(0x55555656d6a0, 24 [pid 8383] <... mount resumed>) = 0 [pid 8380] <... futex resumed>) = 1 [pid 8378] <... futex resumed>) = 0 [pid 8377] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] <... set_robust_list resumed>) = 0 [pid 8381] <... futex resumed>) = 0 [pid 8380] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8378] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8377] <... futex resumed>) = 1 [pid 8381] creat("./bus", 040 [pid 8380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8378] <... futex resumed>) = 0 [pid 8392] chdir("./180" [pid 8383] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8381] <... creat resumed>) = 5 [pid 8378] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8377] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8383] <... openat resumed>) = 3 [pid 8383] chdir("./file0") = 0 [pid 8380] ftruncate(4, 33587195 [pid 8392] <... chdir resumed>) = 0 [pid 8383] ioctl(4, LOOP_CLR_FD [pid 8392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8383] <... ioctl resumed>) = 0 [pid 8383] close(4 [pid 8392] <... prctl resumed>) = 0 [pid 8383] <... close resumed>) = 0 [pid 8381] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] setpgid(0, 0 [pid 8381] <... futex resumed>) = 1 [pid 8377] <... futex resumed>) = 0 [pid 8383] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] <... setpgid resumed>) = 0 [pid 8383] <... futex resumed>) = 1 [pid 8382] <... futex resumed>) = 0 [pid 8381] mkdirat(AT_FDCWD, "./file0", 000 [pid 8380] <... ftruncate resumed>) = 0 [pid 8377] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8383] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8382] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... mkdirat resumed>) = 0 [pid 8377] <... futex resumed>) = 0 [pid 8383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8382] <... futex resumed>) = 0 [pid 8381] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8377] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8383] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8382] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8380] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] <... openat resumed>) = 3 [pid 8381] <... futex resumed>) = 0 [pid 8377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8383] <... open resumed>) = 4 [ 298.699394][ T8385] REISERFS (device loop1): using ordered data mode [ 298.706318][ T8385] reiserfs: using flush barriers [ 298.715657][ T8385] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8383] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] write(3, "1000", 4 [pid 8389] <... write resumed>) = 4194304 [pid 8383] <... futex resumed>) = 1 [pid 8382] <... futex resumed>) = 0 [pid 8381] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8380] <... futex resumed>) = 1 [pid 8378] <... futex resumed>) = 0 [pid 8377] exit_group(0 [pid 8392] <... write resumed>) = 4 [pid 8389] munmap(0x7f8720789000, 138412032 [pid 8383] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8382] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8381] <... futex resumed>) = ? [pid 8380] creat("./bus", 040 [pid 8378] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8377] <... exit_group resumed>) = ? [pid 8392] close(3 [pid 8389] <... munmap resumed>) = 0 [pid 8383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8382] <... futex resumed>) = 0 [pid 8381] +++ exited with 0 +++ [pid 8380] <... creat resumed>) = 5 [pid 8392] <... close resumed>) = 0 [pid 8389] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8383] ftruncate(4, 33587195 [pid 8382] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8378] <... futex resumed>) = 0 [pid 8377] +++ exited with 0 +++ [pid 8392] symlink("/dev/binderfs", "./binderfs" [pid 8389] <... openat resumed>) = 4 [pid 8378] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8392] <... symlink resumed>) = 0 [pid 8392] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8389] ioctl(4, LOOP_SET_FD, 3 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8377, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 8392] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 8392] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8392] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8389] <... ioctl resumed>) = 0 [pid 8383] <... ftruncate resumed>) = 0 [pid 8380] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... restart_syscall resumed>) = 0 [pid 8392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8389] close(3 [pid 8383] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] <... futex resumed>) = 1 [pid 8378] <... futex resumed>) = 0 [pid 8392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8389] <... close resumed>) = 0 [pid 8383] <... futex resumed>) = 1 [pid 8382] <... futex resumed>) = 0 [pid 8378] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] <... mmap resumed>) = 0x7f8728b89000 [pid 8389] mkdir("./file0", 0777 [pid 8383] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8382] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8380] mkdirat(AT_FDCWD, "./file0", 000 [pid 8378] <... futex resumed>) = 0 [pid 8392] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8382] <... futex resumed>) = 0 [pid 8380] <... mkdirat resumed>) = 0 [pid 8378] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8392] <... mprotect resumed>) = 0 [ 298.755545][ T8385] REISERFS (device loop1): checking transaction log (loop1) [ 298.770647][ T8385] REISERFS (device loop1): Using tea hash to sort names [ 298.785517][ T8389] loop3: detected capacity change from 0 to 8192 [pid 8383] creat("./bus", 040 [pid 8382] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8392] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8389] <... mkdir resumed>) = 0 [pid 8383] <... creat resumed>) = 5 [pid 8380] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8380] <... futex resumed>) = 1 [pid 8389] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8380] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5051] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8392] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8378] <... futex resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8392] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8378] exit_group(0 [pid 5051] newfstatat(3, "", [pid 8383] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8394 attached [pid 8380] <... futex resumed>) = ? [pid 8378] <... exit_group resumed>) = ? [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8382] <... futex resumed>) = 0 [pid 8394] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8392] <... clone3 resumed> => {parent_tid=[8394]}, 88) = 8394 [pid 8385] <... mount resumed>) = 0 [pid 8383] <... futex resumed>) = 1 [pid 8380] +++ exited with 0 +++ [pid 8378] +++ exited with 0 +++ [pid 8392] rt_sigprocmask(SIG_SETMASK, [], [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8378, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 8392] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8392] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5053] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8392] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [ 298.814665][ T8385] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 298.831181][ T8389] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 298.845891][ T8389] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 298.855814][ T8389] REISERFS (device loop3): using ordered data mode [pid 5053] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8394] <... rseq resumed>) = 0 [pid 8385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8383] mkdirat(AT_FDCWD, "./file0", 000 [pid 8382] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(3, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./180/binderfs") = 0 [pid 8382] <... futex resumed>) = 0 [pid 8382] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8394] set_robust_list(0x7f8728ba99a0, 24 [pid 8385] <... openat resumed>) = 3 [pid 8383] <... mkdirat resumed>) = 0 [pid 8394] <... set_robust_list resumed>) = 0 [pid 8385] chdir("./file0" [pid 8383] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8383] <... futex resumed>) = 1 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8382] <... futex resumed>) = 0 [pid 8394] rt_sigprocmask(SIG_SETMASK, [], [pid 8385] <... chdir resumed>) = 0 [pid 8383] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5051] newfstatat(AT_FDCWD, "./184/binderfs", [pid 8382] exit_group(0) = ? [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8383] <... futex resumed>) = ? [pid 5051] unlink("./184/binderfs" [pid 8383] +++ exited with 0 +++ [pid 8382] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8382, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8385] ioctl(4, LOOP_CLR_FD [pid 5051] <... unlink resumed>) = 0 [pid 5055] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 298.862365][ T8389] reiserfs: using flush barriers [ 298.875804][ T8389] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5055] unlink("./178/binderfs") = 0 [pid 5051] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8385] <... ioctl resumed>) = 0 [pid 8394] memfd_create("syzkaller", 0 [pid 8385] close(4) = 0 [pid 5055] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8385] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8394] <... memfd_create resumed>) = 3 [pid 8385] <... futex resumed>) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8385] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8384] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] <... futex resumed>) = 0 [pid 8384] <... futex resumed>) = 1 [pid 8385] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8384] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8385] <... open resumed>) = 4 [pid 8385] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8384] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8385] ftruncate(4, 33587195) = 0 [pid 8384] <... futex resumed>) = 0 [pid 8384] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8385] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8384] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8384] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8385] creat("./bus", 040) = 5 [ 298.921904][ T8389] REISERFS (device loop3): checking transaction log (loop3) [pid 8385] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = 0 [pid 8385] <... futex resumed>) = 1 [pid 8384] <... futex resumed>) = 0 [pid 5053] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./180/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 8385] mkdirat(AT_FDCWD, "./file0", 000 [pid 8384] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(4 [pid 8384] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 8384] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] rmdir("./180/file0" [pid 8385] <... mkdirat resumed>) = 0 [pid 5053] <... rmdir resumed>) = 0 [ 298.967907][ T8389] REISERFS (device loop3): Using tea hash to sort names [ 299.003166][ T8389] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8389] <... mount resumed>) = 0 [pid 5053] getdents64(3, [pid 8385] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8384] <... futex resumed>) = 0 [pid 8384] exit_group(0) = ? [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 8389] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5053] rmdir("./180" [pid 8389] <... openat resumed>) = 3 [pid 5053] <... rmdir resumed>) = 0 [pid 8389] chdir("./file0" [pid 5053] mkdir("./181", 0777) = 0 [pid 8389] <... chdir resumed>) = 0 [pid 8389] ioctl(4, LOOP_CLR_FD) = 0 [pid 8385] +++ exited with 0 +++ [pid 8384] +++ exited with 0 +++ [pid 8389] close(4 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8384, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8389] <... close resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 8389] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8389] <... futex resumed>) = 1 [pid 8388] <... futex resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8388] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(3 [pid 8388] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 8389] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8388] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8389] <... open resumed>) = 4 [pid 8389] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5052] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8389] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", [pid 8388] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8388] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(3, [pid 8389] <... futex resumed>) = 0 [pid 8388] <... futex resumed>) = 1 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8389] ftruncate(4, 33587195 [pid 8388] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8389] <... ftruncate resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8395 ./strace-static-x86_64: Process 8395 attached [pid 8395] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... umount2 resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./181/binderfs", [pid 8395] <... set_robust_list resumed>) = 0 [pid 8395] chdir("./181" [pid 8389] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] <... chdir resumed>) = 0 [pid 8395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8395] setpgid(0, 0) = 0 [pid 8395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8389] <... futex resumed>) = 1 [pid 8388] <... futex resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 8395] <... openat resumed>) = 3 [pid 8388] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] unlink("./181/binderfs" [pid 8395] write(3, "1000", 4 [pid 8388] <... futex resumed>) = 0 [pid 8395] <... write resumed>) = 4 [pid 8388] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8395] close(3 [pid 5052] <... unlink resumed>) = 0 [pid 8395] <... close resumed>) = 0 [ 299.071913][ T29] kauditd_printk_skb: 16 callbacks suppressed [ 299.071931][ T29] audit: type=1800 audit(1698988443.824:1087): pid=8389 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 8389] creat("./bus", 040 [pid 8395] symlink("/dev/binderfs", "./binderfs" [pid 5052] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8395] <... symlink resumed>) = 0 [pid 8389] <... creat resumed>) = 5 [pid 8395] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8389] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] <... futex resumed>) = 0 [pid 8389] <... futex resumed>) = 1 [pid 8388] <... futex resumed>) = 0 [pid 8395] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8388] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8389] mkdirat(AT_FDCWD, "./file0", 000 [pid 8388] <... futex resumed>) = 0 [pid 8395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8389] <... mkdirat resumed>) = 0 [pid 8388] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8389] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8389] <... futex resumed>) = 1 [pid 8388] <... futex resumed>) = 0 [pid 8395] <... mmap resumed>) = 0x7f8728b89000 [pid 8388] exit_group(0 [pid 8395] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8388] <... exit_group resumed>) = ? [pid 8395] <... mprotect resumed>) = 0 [pid 8395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8396]}, 88) = 8396 ./strace-static-x86_64: Process 8396 attached [pid 8395] rt_sigprocmask(SIG_SETMASK, [], [pid 8389] +++ exited with 0 +++ [pid 8388] +++ exited with 0 +++ [pid 8396] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8395] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8388, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 8396] <... rseq resumed>) = 0 [pid 8395] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] set_robust_list(0x7f8728ba99a0, 24 [pid 8395] <... futex resumed>) = 0 [pid 8396] <... set_robust_list resumed>) = 0 [pid 8395] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8396] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8396] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8396] memfd_create("syzkaller", 0 [pid 5055] newfstatat(AT_FDCWD, "./178/file0", [pid 5054] <... openat resumed>) = 3 [pid 5051] newfstatat(AT_FDCWD, "./184/file0", [pid 8396] <... memfd_create resumed>) = 3 [pid 5054] newfstatat(3, "", [pid 8396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8396] <... mmap resumed>) = 0x7f8720789000 [pid 5054] getdents64(3, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./178/binderfs") = 0 [pid 5054] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... openat resumed>) = 4 [pid 5055] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] newfstatat(4, "", [pid 5055] <... openat resumed>) = 4 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] newfstatat(4, "", [pid 5051] getdents64(4, [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, [pid 5051] getdents64(4, [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] getdents64(4, [pid 5051] close(4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... close resumed>) = 0 [pid 5055] close(4 [pid 5051] rmdir("./184/file0" [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./178/file0" [pid 5051] <... rmdir resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3 [pid 5051] close(3 [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./178" [pid 5051] <... close resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] rmdir("./184" [pid 5055] mkdir("./179", 0777 [pid 5051] <... rmdir resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5051] mkdir("./185", 0777 [pid 8394] <... write resumed>) = 4194304 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5052] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... mkdir resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5052] newfstatat(AT_FDCWD, "./181/file0", [pid 5051] <... openat resumed>) = 3 [pid 5055] close(3 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8394] munmap(0x7f8720789000, 138412032 [pid 5055] <... close resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8394] <... munmap resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(3 [pid 8394] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8397 [pid 5051] <... close resumed>) = 0 ./strace-static-x86_64: Process 8397 attached [pid 8394] <... openat resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8397] set_robust_list(0x55555656d6a0, 24 [pid 8394] ioctl(4, LOOP_SET_FD, 3 [pid 5052] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8397] <... set_robust_list resumed>) = 0 [pid 8397] chdir("./179") = 0 [pid 8397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8397] setpgid(0, 0) = 0 [pid 8397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5052] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8398 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 8398 attached [pid 8397] write(3, "1000", 4 [pid 5052] getdents64(4, [pid 8398] set_robust_list(0x55555656d6a0, 24 [pid 8397] <... write resumed>) = 4 [pid 8394] <... ioctl resumed>) = 0 [pid 8394] close(3 [pid 8397] close(3 [pid 8398] <... set_robust_list resumed>) = 0 [pid 8397] <... close resumed>) = 0 [pid 8398] chdir("./185" [pid 8397] symlink("/dev/binderfs", "./binderfs" [pid 8394] <... close resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8397] <... symlink resumed>) = 0 [pid 8394] mkdir("./file0", 0777 [pid 8397] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8397] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8394] <... mkdir resumed>) = 0 [pid 8398] <... chdir resumed>) = 0 [pid 8397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8398] <... prctl resumed>) = 0 [pid 8398] setpgid(0, 0 [pid 8397] <... mmap resumed>) = 0x7f8728b89000 [pid 8397] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8394] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5052] getdents64(4, [pid 8398] <... setpgid resumed>) = 0 [pid 8397] <... mprotect resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [ 299.281397][ T8394] loop5: detected capacity change from 0 to 8192 [pid 8398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8398] <... openat resumed>) = 3 [pid 5052] close(4 [pid 8398] write(3, "1000", 4) = 4 [pid 8397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8398] close(3 [pid 8397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8398] <... close resumed>) = 0 [pid 8398] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8398] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8398] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8397] <... clone3 resumed> => {parent_tid=[8400]}, 88) = 8400 [pid 8398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8397] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8400 attached [pid 8398] <... mmap resumed>) = 0x7f8728b89000 [pid 8397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... close resumed>) = 0 [pid 8400] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8398] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] rmdir("./181/file0" [pid 8400] <... rseq resumed>) = 0 [pid 8398] <... mprotect resumed>) = 0 [pid 8397] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... rmdir resumed>) = 0 [pid 8397] <... futex resumed>) = 0 [pid 8397] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8400] set_robust_list(0x7f8728ba99a0, 24 [pid 8398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] getdents64(3, [pid 8400] <... set_robust_list resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8400] rt_sigprocmask(SIG_SETMASK, [], [pid 8398] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] close(3 [pid 8400] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5052] <... close resumed>) = 0 [pid 8400] memfd_create("syzkaller", 0 [pid 5052] rmdir("./181" [pid 8398] <... clone3 resumed> => {parent_tid=[8401]}, 88) = 8401 [pid 5052] <... rmdir resumed>) = 0 [pid 8400] <... memfd_create resumed>) = 3 [pid 8398] rt_sigprocmask(SIG_SETMASK, [], [ 299.325715][ T8394] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 299.352967][ T8394] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 299.362539][ T8394] REISERFS (device loop5): using ordered data mode [ 299.369380][ T8394] reiserfs: using flush barriers [pid 5052] mkdir("./182", 0777./strace-static-x86_64: Process 8401 attached [pid 8400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 8401] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8400] <... mmap resumed>) = 0x7f8720789000 [pid 8398] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] <... write resumed>) = 4194304 [pid 5054] <... umount2 resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8396] munmap(0x7f8720789000, 138412032 [pid 5054] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8398] <... futex resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8398] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8401] <... rseq resumed>) = 0 [pid 8396] <... munmap resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8401] set_robust_list(0x7f8728ba99a0, 24 [pid 5052] close(3 [pid 8401] <... set_robust_list resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8401] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8401] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8401] memfd_create("syzkaller", 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8402 ./strace-static-x86_64: Process 8402 attached [pid 8401] <... memfd_create resumed>) = 3 [pid 8402] set_robust_list(0x55555656d6a0, 24 [pid 5054] newfstatat(AT_FDCWD, "./178/file0", [pid 8401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8396] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8401] <... mmap resumed>) = 0x7f8720789000 [pid 8396] <... openat resumed>) = 4 [ 299.388925][ T8394] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 299.410624][ T8394] REISERFS (device loop5): checking transaction log (loop5) [ 299.432209][ T8396] loop2: detected capacity change from 0 to 8192 [pid 5054] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8402] <... set_robust_list resumed>) = 0 [pid 8396] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8402] chdir("./182" [pid 5054] <... openat resumed>) = 4 [pid 8402] <... chdir resumed>) = 0 [pid 8402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8402] setpgid(0, 0 [pid 8396] <... ioctl resumed>) = 0 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8396] close(3 [pid 5054] getdents64(4, [pid 8402] <... setpgid resumed>) = 0 [pid 8396] <... close resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8396] mkdir("./file0", 0777 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 8402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8396] <... mkdir resumed>) = 0 [pid 5054] rmdir("./178/file0" [pid 8402] <... openat resumed>) = 3 [pid 8396] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] <... rmdir resumed>) = 0 [pid 5054] getdents64(3, [pid 8402] write(3, "1000", 4) = 4 [pid 8402] close(3) = 0 [pid 8402] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8402] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] close(3) = 0 [ 299.435608][ T8394] REISERFS (device loop5): Using tea hash to sort names [ 299.468940][ T8394] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5054] rmdir("./178" [pid 8402] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8394] <... mount resumed>) = 0 [pid 8402] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8402] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8402] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8394] <... openat resumed>) = 3 [pid 8402] <... mprotect resumed>) = 0 [pid 8394] chdir("./file0" [pid 8402] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8394] <... chdir resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8402] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8394] ioctl(4, LOOP_CLR_FD) = 0 [pid 5054] mkdir("./179", 0777 [pid 8394] close(4 [pid 8402] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8394] <... close resumed>) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 8394] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8394] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8392] <... futex resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8402] <... clone3 resumed> => {parent_tid=[8404]}, 88) = 8404 [pid 8402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8402] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8402] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8392] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... openat resumed>) = 3 [pid 8392] <... futex resumed>) = 1 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8392] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 299.480840][ T8396] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] close(3./strace-static-x86_64: Process 8404 attached [pid 8394] <... futex resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 8404] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8394] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8404] <... rseq resumed>) = 0 [pid 8394] <... open resumed>) = 4 [ 299.524227][ T8396] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 299.529307][ T29] audit: type=1800 audit(1698988444.284:1088): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 299.534702][ T8396] REISERFS (device loop2): using ordered data mode [ 299.560892][ T8396] reiserfs: using flush barriers ./strace-static-x86_64: Process 8405 attached [pid 8404] set_robust_list(0x7f8728ba99a0, 24 [pid 8394] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8392] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8405 [pid 8392] <... futex resumed>) = 0 [pid 8392] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8405] set_robust_list(0x55555656d6a0, 24 [pid 8404] <... set_robust_list resumed>) = 0 [pid 8394] <... futex resumed>) = 1 [pid 8392] <... futex resumed>) = 0 [pid 8405] <... set_robust_list resumed>) = 0 [pid 8404] rt_sigprocmask(SIG_SETMASK, [], [pid 8394] ftruncate(4, 33587195 [pid 8392] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=40000000} [pid 8405] chdir("./179" [pid 8404] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8405] <... chdir resumed>) = 0 [pid 8404] memfd_create("syzkaller", 0 [pid 8405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8404] <... memfd_create resumed>) = 3 [pid 8405] <... prctl resumed>) = 0 [pid 8404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8405] setpgid(0, 0 [pid 8404] <... mmap resumed>) = 0x7f8720789000 [pid 8405] <... setpgid resumed>) = 0 [pid 8394] <... ftruncate resumed>) = 0 [pid 8405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8394] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8405] <... openat resumed>) = 3 [pid 8394] <... futex resumed>) = 1 [pid 8392] <... futex resumed>) = 0 [pid 8405] write(3, "1000", 4 [pid 8396] <... mount resumed>) = 0 [pid 8394] creat("./bus", 040 [pid 8392] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8405] <... write resumed>) = 4 [pid 8396] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8394] <... creat resumed>) = 5 [pid 8392] <... futex resumed>) = 0 [pid 8405] close(3 [pid 8394] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8405] <... close resumed>) = 0 [pid 8396] <... openat resumed>) = 3 [pid 8394] <... futex resumed>) = 0 [pid 8392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8405] symlink("/dev/binderfs", "./binderfs" [pid 8396] chdir("./file0" [pid 8394] mkdirat(AT_FDCWD, "./file0", 000 [pid 8392] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8405] <... symlink resumed>) = 0 [pid 8396] <... chdir resumed>) = 0 [pid 8394] <... mkdirat resumed>) = 0 [pid 8392] <... futex resumed>) = 0 [pid 8405] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] ioctl(4, LOOP_CLR_FD [pid 8394] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8392] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8405] <... futex resumed>) = 0 [pid 8396] <... ioctl resumed>) = 0 [pid 8394] <... futex resumed>) = 0 [pid 8392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8405] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8396] close(4 [pid 8394] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8392] exit_group(0 [pid 8405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8396] <... close resumed>) = 0 [pid 8394] <... futex resumed>) = ? [pid 8392] <... exit_group resumed>) = ? [pid 8405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8401] <... write resumed>) = 4194304 [pid 8396] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8394] +++ exited with 0 +++ [pid 8392] +++ exited with 0 +++ [pid 8405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8396] <... futex resumed>) = 1 [pid 8395] <... futex resumed>) = 0 [ 299.568522][ T8396] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 299.585274][ T8396] REISERFS (device loop2): checking transaction log (loop2) [ 299.594733][ T8396] REISERFS (device loop2): Using tea hash to sort names [ 299.602218][ T8396] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8396] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8395] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8392, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8405] <... mmap resumed>) = 0x7f8728b89000 [pid 8401] munmap(0x7f8720789000, 138412032 [pid 8396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8395] <... futex resumed>) = 0 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 8405] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8396] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8395] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... restart_syscall resumed>) = 0 [pid 8405] <... mprotect resumed>) = 0 [pid 8401] <... munmap resumed>) = 0 [pid 8396] <... open resumed>) = 4 [pid 8405] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5056] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8405] <... clone3 resumed> => {parent_tid=[8406]}, 88) = 8406 [pid 5056] <... openat resumed>) = 3 [pid 8405] rt_sigprocmask(SIG_SETMASK, [], [pid 5056] newfstatat(3, "", [pid 8405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8405] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... write resumed>) = 4194304 [pid 5056] getdents64(3, [pid 8405] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8405] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5056] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8400] munmap(0x7f8720789000, 138412032 [pid 5056] newfstatat(AT_FDCWD, "./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8400] <... munmap resumed>) = 0 [pid 5056] unlink("./180/binderfs") = 0 ./strace-static-x86_64: Process 8406 attached [pid 8401] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8400] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8396] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8406] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8401] <... openat resumed>) = 4 [pid 8396] <... futex resumed>) = 1 [ 299.661522][ T29] audit: type=1800 audit(1698988444.414:1089): pid=8396 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 299.693201][ T8401] loop0: detected capacity change from 0 to 8192 [pid 8395] <... futex resumed>) = 0 [pid 8406] <... rseq resumed>) = 0 [pid 8401] ioctl(4, LOOP_SET_FD, 3 [pid 8400] <... openat resumed>) = 4 [pid 8396] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8395] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] set_robust_list(0x7f8728ba99a0, 24 [pid 8396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8395] <... futex resumed>) = 0 [pid 8406] <... set_robust_list resumed>) = 0 [pid 8396] ftruncate(4, 33587195 [pid 8395] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] rt_sigprocmask(SIG_SETMASK, [], [pid 8404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8406] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8400] ioctl(4, LOOP_SET_FD, 3 [pid 8406] memfd_create("syzkaller", 0 [pid 8400] <... ioctl resumed>) = 0 [pid 8396] <... ftruncate resumed>) = 0 [pid 8406] <... memfd_create resumed>) = 3 [pid 8401] <... ioctl resumed>) = 0 [pid 8396] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8396] <... futex resumed>) = 1 [pid 8395] <... futex resumed>) = 0 [pid 8401] close(3) = 0 [pid 8401] mkdir("./file0", 0777 [pid 8395] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8395] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8401] <... mkdir resumed>) = 0 [pid 8401] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8400] close(3) = 0 [pid 8400] mkdir("./file0", 0777) = 0 [pid 8400] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8396] creat("./bus", 040) = 5 [ 299.714295][ T8400] loop4: detected capacity change from 0 to 8192 [ 299.750015][ T8400] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8396] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8396] <... futex resumed>) = 0 [pid 8396] mkdirat(AT_FDCWD, "./file0", 000 [pid 8395] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8396] <... mkdirat resumed>) = 0 [pid 8395] <... futex resumed>) = 0 [pid 8396] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8395] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8396] <... futex resumed>) = 0 [pid 8396] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8395] exit_group(0) = ? [pid 8396] <... futex resumed>) = ? [pid 8396] +++ exited with 0 +++ [ 299.773691][ T8401] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 299.794511][ T8400] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 299.805938][ T8400] REISERFS (device loop4): using ordered data mode [ 299.812494][ T8400] reiserfs: using flush barriers [pid 8395] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8395, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5053] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5053] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./181/binderfs") = 0 [ 299.822261][ T8401] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 299.831791][ T8401] REISERFS (device loop0): using ordered data mode [ 299.838647][ T8401] reiserfs: using flush barriers [ 299.857322][ T8401] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5053] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8404] <... write resumed>) = 4194304 [pid 8404] munmap(0x7f8720789000, 138412032 [pid 5056] <... umount2 resumed>) = 0 [pid 8404] <... munmap resumed>) = 0 [pid 5056] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8404] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 299.876436][ T8400] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 299.908171][ T8404] loop1: detected capacity change from 0 to 8192 [ 299.911481][ T8401] REISERFS (device loop0): checking transaction log (loop0) [pid 8404] ioctl(4, LOOP_SET_FD, 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./180/file0", [pid 8406] <... write resumed>) = 4194304 [pid 8404] <... ioctl resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8406] munmap(0x7f8720789000, 138412032) = 0 [pid 8404] close(3 [pid 5056] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8406] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8404] <... close resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8406] <... openat resumed>) = 4 [pid 8404] mkdir("./file0", 0777 [pid 5056] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8406] ioctl(4, LOOP_SET_FD, 3 [pid 8404] <... mkdir resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 8406] <... ioctl resumed>) = 0 [pid 8404] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [ 299.915931][ T8400] REISERFS (device loop4): checking transaction log (loop4) [ 299.937603][ T8400] REISERFS (device loop4): Using tea hash to sort names [ 299.944869][ T8401] REISERFS (device loop0): Using tea hash to sort names [ 299.952489][ T8401] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 299.964430][ T8406] loop3: detected capacity change from 0 to 8192 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./180/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./180" [pid 8401] <... mount resumed>) = 0 [pid 8400] <... mount resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 8401] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8400] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8406] close(3 [pid 8401] <... openat resumed>) = 3 [pid 8400] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = 0 [pid 5056] mkdir("./181", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 8401] chdir("./file0" [pid 8400] chdir("./file0" [pid 5053] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8406] <... close resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8410 attached [pid 8410] set_robust_list(0x55555656d6a0, 24 [pid 8406] mkdir("./file0", 0777 [pid 8410] <... set_robust_list resumed>) = 0 [pid 8406] <... mkdir resumed>) = 0 [pid 8400] <... chdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8410] chdir("./181" [pid 8401] <... chdir resumed>) = 0 [pid 8410] <... chdir resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8410 [pid 8410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8410] setpgid(0, 0) = 0 [pid 8406] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8401] ioctl(4, LOOP_CLR_FD [pid 8400] ioctl(4, LOOP_CLR_FD [pid 5053] newfstatat(AT_FDCWD, "./181/file0", [ 299.972172][ T8400] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 299.983504][ T8404] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 300.001759][ T8404] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 300.011746][ T8404] REISERFS (device loop1): using ordered data mode [ 300.020300][ T8404] reiserfs: using flush barriers [pid 8410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8401] <... ioctl resumed>) = 0 [pid 8400] <... ioctl resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8401] close(4 [pid 8400] close(4 [pid 5053] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8401] <... close resumed>) = 0 [pid 8400] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8401] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8401] <... futex resumed>) = 1 [pid 8400] <... futex resumed>) = 1 [pid 8397] <... futex resumed>) = 0 [pid 5053] <... openat resumed>) = 4 [pid 8401] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8400] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8397] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(4, "", [pid 8400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8397] <... futex resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8400] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8397] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] getdents64(4, [pid 8400] <... open resumed>) = 4 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8400] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(4, [pid 8400] <... futex resumed>) = 1 [pid 8397] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8400] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8397] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(4 [pid 8400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8397] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 8400] ftruncate(4, 33587195 [pid 8397] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] rmdir("./181/file0") = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3) = 0 [pid 5053] rmdir("./181") = 0 [pid 5053] mkdir("./182", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8410] <... openat resumed>) = 3 [pid 8400] <... ftruncate resumed>) = 0 [pid 8398] <... futex resumed>) = 0 [pid 8400] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8412 [pid 8400] <... futex resumed>) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8400] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8397] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8397] <... futex resumed>) = 0 [pid 8400] creat("./bus", 040 [pid 8397] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8400] <... creat resumed>) = 5 [pid 8400] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8398] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 300.029770][ T8404] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 300.046967][ T29] audit: type=1800 audit(1698988444.794:1090): pid=8400 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 300.070066][ T8404] REISERFS (device loop1): checking transaction log (loop1) [pid 8410] write(3, "1000", 4./strace-static-x86_64: Process 8412 attached ) = 4 [pid 8401] <... futex resumed>) = 0 [pid 8400] <... futex resumed>) = 1 [pid 8398] <... futex resumed>) = 1 [pid 8397] <... futex resumed>) = 0 [pid 8412] set_robust_list(0x55555656d6a0, 24 [pid 8410] close(3 [pid 8401] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8400] mkdirat(AT_FDCWD, "./file0", 000 [pid 8398] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8397] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... set_robust_list resumed>) = 0 [pid 8410] <... close resumed>) = 0 [pid 8401] <... open resumed>) = 4 [pid 8400] <... mkdirat resumed>) = 0 [pid 8397] <... futex resumed>) = 0 [pid 8412] chdir("./182" [pid 8410] symlink("/dev/binderfs", "./binderfs" [pid 8401] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8400] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8397] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8401] <... futex resumed>) = 1 [pid 8397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8401] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8397] exit_group(0) = ? [pid 8412] <... chdir resumed>) = 0 [pid 8410] <... symlink resumed>) = 0 [pid 8400] <... futex resumed>) = ? [pid 8398] <... futex resumed>) = 0 [ 300.077659][ T8406] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 300.096432][ T29] audit: type=1800 audit(1698988444.844:1091): pid=8401 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [ 300.117120][ T8406] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8398] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8410] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] <... futex resumed>) = 0 [pid 8400] +++ exited with 0 +++ [pid 8398] <... futex resumed>) = 1 [pid 8397] +++ exited with 0 +++ [pid 8401] ftruncate(4, 33587195) = 0 [pid 8401] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8401] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8412] <... prctl resumed>) = 0 [pid 8410] <... futex resumed>) = 0 [pid 8398] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8397, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 8412] setpgid(0, 0 [pid 8410] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8398] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8412] <... setpgid resumed>) = 0 [pid 8401] <... futex resumed>) = 0 [pid 8398] <... futex resumed>) = 1 [pid 8398] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8401] creat("./bus", 040 [pid 8412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8410] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8412] <... openat resumed>) = 3 [pid 8410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8404] <... mount resumed>) = 0 [pid 8401] <... creat resumed>) = 5 [pid 5055] <... openat resumed>) = 3 [pid 5055] newfstatat(3, "", [pid 8410] <... mmap resumed>) = 0x7f8728b89000 [pid 8401] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8412] write(3, "1000", 4 [pid 8410] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8404] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8401] <... futex resumed>) = 1 [pid 8398] <... futex resumed>) = 0 [pid 5055] getdents64(3, [pid 8412] <... write resumed>) = 4 [pid 8410] <... mprotect resumed>) = 0 [pid 8401] mkdirat(AT_FDCWD, "./file0", 000 [pid 8398] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8398] <... futex resumed>) = 0 [pid 8412] close(3 [pid 8410] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8404] <... openat resumed>) = 3 [pid 8401] <... mkdirat resumed>) = 0 [pid 8398] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8412] <... close resumed>) = 0 [pid 8410] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8404] chdir("./file0" [pid 8412] symlink("/dev/binderfs", "./binderfs" [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8410] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8404] <... chdir resumed>) = 0 [pid 8401] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8412] <... symlink resumed>) = 0 [pid 8401] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8398] <... futex resumed>) = 0 [pid 8404] ioctl(4, LOOP_CLR_FD [pid 8398] exit_group(0 [pid 8404] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 8413 attached [pid 8410] <... clone3 resumed> => {parent_tid=[8413]}, 88) = 8413 [pid 8404] close(4 [pid 8398] <... exit_group resumed>) = ? [pid 5055] newfstatat(AT_FDCWD, "./179/binderfs", [pid 8410] rt_sigprocmask(SIG_SETMASK, [], [pid 8413] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8404] <... close resumed>) = 0 [pid 8401] <... futex resumed>) = ? [pid 8413] <... rseq resumed>) = 0 [pid 8410] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8401] +++ exited with 0 +++ [pid 8398] +++ exited with 0 +++ [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8412] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8413] set_robust_list(0x7f8728ba99a0, 24 [pid 8410] <... futex resumed>) = 0 [pid 8404] <... futex resumed>) = 1 [pid 8412] <... futex resumed>) = 0 [pid 8402] <... futex resumed>) = 0 [ 300.127706][ T8406] REISERFS (device loop3): using ordered data mode [ 300.131232][ T8404] REISERFS (device loop1): Using tea hash to sort names [ 300.138987][ T8406] reiserfs: using flush barriers [ 300.142805][ T8404] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 300.150511][ T8406] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5055] unlink("./179/binderfs" [pid 8413] <... set_robust_list resumed>) = 0 [pid 8412] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8410] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8404] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8402] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8398, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8413] rt_sigprocmask(SIG_SETMASK, [], [pid 8412] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8413] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8402] <... futex resumed>) = 0 [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 8413] memfd_create("syzkaller", 0 [pid 5051] <... restart_syscall resumed>) = 0 [pid 8412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8402] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8413] <... memfd_create resumed>) = 3 [pid 8412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8404] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8412] <... mmap resumed>) = 0x7f8728b89000 [pid 8404] <... open resumed>) = 4 [pid 5055] <... unlink resumed>) = 0 [pid 8413] <... mmap resumed>) = 0x7f8720789000 [pid 8412] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8412] <... mprotect resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8404] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... openat resumed>) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8402] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 300.199650][ T29] audit: type=1800 audit(1698988444.954:1092): pid=8404 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 300.230390][ T8406] REISERFS (device loop3): checking transaction log (loop3) [pid 5051] getdents64(3, [pid 8412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8404] <... futex resumed>) = 0 [pid 8402] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] ftruncate(4, 33587195 [pid 8402] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8402] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8414 attached [pid 8412] <... clone3 resumed> => {parent_tid=[8414]}, 88) = 8414 [pid 8404] <... ftruncate resumed>) = 0 [pid 5051] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8414] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8404] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] <... rseq resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8414] set_robust_list(0x7f8728ba99a0, 24 [pid 8412] rt_sigprocmask(SIG_SETMASK, [], [pid 8404] <... futex resumed>) = 1 [pid 8402] <... futex resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./185/binderfs", [pid 8414] <... set_robust_list resumed>) = 0 [pid 8412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8404] creat("./bus", 040 [pid 8402] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] rt_sigprocmask(SIG_SETMASK, [], [pid 8412] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] <... mount resumed>) = 0 [pid 8402] <... futex resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8412] <... futex resumed>) = 0 [pid 8402] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] unlink("./185/binderfs" [pid 8412] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8414] memfd_create("syzkaller", 0 [pid 5051] <... unlink resumed>) = 0 [pid 8414] <... memfd_create resumed>) = 3 [pid 5051] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8404] <... creat resumed>) = 5 [pid 5055] <... umount2 resumed>) = 0 [pid 8406] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8404] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8406] <... openat resumed>) = 3 [pid 5055] newfstatat(AT_FDCWD, "./179/file0", [pid 8406] chdir("./file0" [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8406] <... chdir resumed>) = 0 [pid 8404] <... futex resumed>) = 1 [pid 8402] <... futex resumed>) = 0 [pid 5055] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8406] ioctl(4, LOOP_CLR_FD [pid 8404] mkdirat(AT_FDCWD, "./file0", 000 [pid 8402] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 300.249480][ T8406] REISERFS (device loop3): Using tea hash to sort names [ 300.258739][ T8406] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8404] <... mkdirat resumed>) = 0 [pid 8402] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8402] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... openat resumed>) = 4 [pid 5055] newfstatat(4, "", [pid 8406] <... ioctl resumed>) = 0 [pid 8404] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] close(4 [pid 8404] <... futex resumed>) = 1 [pid 8402] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8406] <... close resumed>) = 0 [pid 8404] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8402] exit_group(0 [pid 5055] getdents64(4, [pid 8406] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8404] <... futex resumed>) = ? [pid 8402] <... exit_group resumed>) = ? [pid 8406] <... futex resumed>) = 1 [pid 8405] <... futex resumed>) = 0 [pid 8404] +++ exited with 0 +++ [pid 8402] +++ exited with 0 +++ [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8406] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8405] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] <... open resumed>) = 4 [pid 8405] <... futex resumed>) = 0 [pid 5055] getdents64(4, [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8402, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} --- [pid 8405] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 5055] close(4 [pid 5052] <... restart_syscall resumed>) = 0 [pid 8414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5055] <... close resumed>) = 0 [pid 5052] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8406] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] rmdir("./179/file0" [pid 8406] <... futex resumed>) = 1 [pid 5052] <... openat resumed>) = 3 [pid 8406] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] getdents64(3, [pid 5055] close(3 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... close resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] rmdir("./179" [pid 5052] newfstatat(AT_FDCWD, "./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./182/binderfs" [pid 8405] <... futex resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 5052] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8405] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8406] <... futex resumed>) = 0 [pid 8405] <... futex resumed>) = 1 [pid 8406] ftruncate(4, 33587195 [pid 8405] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... rmdir resumed>) = 0 [ 300.353596][ T29] audit: type=1800 audit(1698988445.104:1093): pid=8406 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 8406] <... ftruncate resumed>) = 0 [pid 5055] mkdir("./180", 0777 [pid 8406] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8405] <... futex resumed>) = 0 [pid 8406] creat("./bus", 040 [pid 8405] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... mkdir resumed>) = 0 [pid 8406] <... creat resumed>) = 5 [pid 8405] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8405] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... openat resumed>) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 8406] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8405] <... futex resumed>) = 0 [pid 8405] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8405] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8406] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8406] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8405] <... futex resumed>) = 0 [pid 8405] exit_group(0) = ? [pid 8406] +++ exited with 0 +++ [pid 8405] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8405, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8415 [pid 5054] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, ./strace-static-x86_64: Process 8415 attached 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8415] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5054] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8415] chdir("./180" [pid 5054] newfstatat(AT_FDCWD, "./179/binderfs", [pid 8415] <... chdir resumed>) = 0 [pid 8415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8415] <... prctl resumed>) = 0 [pid 8415] setpgid(0, 0) = 0 [pid 5054] unlink("./179/binderfs" [pid 8415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8415] write(3, "1000", 4 [pid 5054] <... unlink resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5051] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./185/file0") = 0 [pid 8415] <... write resumed>) = 4 [pid 5054] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8415] close(3 [pid 5051] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 5051] rmdir("./185" [pid 8415] <... close resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 8415] symlink("/dev/binderfs", "./binderfs" [pid 5051] mkdir("./186", 0777 [pid 8415] <... symlink resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] <... mkdir resumed>) = 0 [pid 5052] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./182/file0", [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5052] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... openat resumed>) = 4 [pid 5052] newfstatat(4, "", [pid 5051] close(3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... close resumed>) = 0 [pid 8415] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] getdents64(4, [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8415] <... futex resumed>) = 0 [pid 8414] <... write resumed>) = 4194304 [pid 8415] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 8415] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8414] munmap(0x7f8720789000, 138412032 [pid 5052] rmdir("./182/file0" [pid 8415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8414] <... munmap resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] getdents64(3, [pid 8415] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3 [pid 8415] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8414] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8413] <... write resumed>) = 4194304 [pid 5052] <... close resumed>) = 0 ./strace-static-x86_64: Process 8416 attached [pid 8415] <... mprotect resumed>) = 0 [pid 8416] set_robust_list(0x55555656d6a0, 24 [pid 8414] <... openat resumed>) = 4 [pid 5052] rmdir("./182" [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8416 [pid 8416] <... set_robust_list resumed>) = 0 [pid 8415] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8414] ioctl(4, LOOP_SET_FD, 3 [pid 8413] munmap(0x7f8720789000, 138412032 [pid 5052] <... rmdir resumed>) = 0 [pid 8416] chdir("./186" [pid 8415] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] mkdir("./183", 0777 [pid 8416] <... chdir resumed>) = 0 [pid 8415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8416] setpgid(0, 0) = 0 [pid 8416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 8417 attached [pid 8416] <... openat resumed>) = 3 [pid 8414] <... ioctl resumed>) = 0 [pid 8413] <... munmap resumed>) = 0 [pid 8417] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8416] write(3, "1000", 4 [pid 8417] <... rseq resumed>) = 0 [pid 8416] <... write resumed>) = 4 [pid 8417] set_robust_list(0x7f8728ba99a0, 24 [pid 8416] close(3 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8417] <... set_robust_list resumed>) = 0 [pid 8416] <... close resumed>) = 0 [pid 8414] close(3 [pid 5052] <... openat resumed>) = 3 [pid 8417] rt_sigprocmask(SIG_SETMASK, [], [pid 8416] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8417] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8416] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8413] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8415] <... clone3 resumed> => {parent_tid=[8417]}, 88) = 8417 [pid 8416] <... futex resumed>) = 0 [pid 8415] rt_sigprocmask(SIG_SETMASK, [], [pid 8413] <... openat resumed>) = 4 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8413] ioctl(4, LOOP_SET_FD, 3 [pid 8416] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8414] <... close resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8414] mkdir("./file0", 0777 [pid 5052] close(3 [pid 8416] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8414] <... mkdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8416] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8414] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8416] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8418 [pid 8416] <... mprotect resumed>) = 0 [pid 8416] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8416] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [ 300.590493][ T8414] loop2: detected capacity change from 0 to 8192 [ 300.628825][ T8413] loop5: detected capacity change from 0 to 8192 [pid 8415] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8420 attached ./strace-static-x86_64: Process 8418 attached [pid 8417] <... futex resumed>) = 0 [pid 8416] <... clone3 resumed> => {parent_tid=[8420]}, 88) = 8420 [pid 8415] <... futex resumed>) = 1 [pid 8413] <... ioctl resumed>) = 0 [pid 8420] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8415] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8413] close(3 [pid 8420] <... rseq resumed>) = 0 [pid 8420] set_robust_list(0x7f8728ba99a0, 24 [pid 8413] <... close resumed>) = 0 [pid 8413] mkdir("./file0", 0777 [pid 8420] <... set_robust_list resumed>) = 0 [pid 8418] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8418] chdir("./183") = 0 [pid 8420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8417] memfd_create("syzkaller", 0 [pid 8420] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8418] <... prctl resumed>) = 0 [pid 8417] <... memfd_create resumed>) = 3 [pid 8416] rt_sigprocmask(SIG_SETMASK, [], [pid 8413] <... mkdir resumed>) = 0 [pid 8418] setpgid(0, 0 [pid 8417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8416] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8413] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8418] <... setpgid resumed>) = 0 [pid 8417] <... mmap resumed>) = 0x7f8720789000 [pid 8416] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8420] <... futex resumed>) = 0 [pid 8418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8416] <... futex resumed>) = 1 [pid 8420] memfd_create("syzkaller", 0 [pid 8418] <... openat resumed>) = 3 [pid 8416] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8420] <... memfd_create resumed>) = 3 [pid 8418] write(3, "1000", 4 [pid 8420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8418] <... write resumed>) = 4 [ 300.642228][ T8414] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 300.668256][ T8414] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 300.678050][ T8414] REISERFS (device loop2): using ordered data mode [ 300.685985][ T8414] reiserfs: using flush barriers [pid 8420] <... mmap resumed>) = 0x7f8720789000 [pid 8418] close(3) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5054] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8418] symlink("/dev/binderfs", "./binderfs" [pid 8417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./179/file0", [pid 8418] <... symlink resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8418] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8418] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8418] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8418] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] <... openat resumed>) = 4 [pid 5054] newfstatat(4, "", [pid 8418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] getdents64(4, [pid 8418] <... mmap resumed>) = 0x7f8728b89000 [pid 8418] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8418] <... mprotect resumed>) = 0 [pid 8418] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8418] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] getdents64(4, [pid 8418] <... clone3 resumed> => {parent_tid=[8422]}, 88) = 8422 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8418] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] close(4 [pid 8418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... close resumed>) = 0 [pid 8418] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] rmdir("./179/file0" [pid 8418] <... futex resumed>) = 0 [pid 8418] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] <... rmdir resumed>) = 0 [pid 5054] getdents64(3, ./strace-static-x86_64: Process 8422 attached [pid 8422] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8422] <... rseq resumed>) = 0 [pid 5054] close(3 [pid 8422] set_robust_list(0x7f8728ba99a0, 24 [pid 5054] <... close resumed>) = 0 [pid 8422] <... set_robust_list resumed>) = 0 [ 300.693964][ T8414] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 300.711976][ T8413] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] rmdir("./179" [pid 8422] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] <... rmdir resumed>) = 0 [pid 5054] mkdir("./180", 0777 [pid 8422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 8422] memfd_create("syzkaller", 0) = 3 [pid 8422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8423 attached [pid 8423] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8423 [pid 8423] <... set_robust_list resumed>) = 0 [pid 8423] chdir("./180") = 0 [pid 8423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8423] setpgid(0, 0) = 0 [ 300.743944][ T8413] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 300.755575][ T8414] REISERFS (device loop2): checking transaction log (loop2) [ 300.784007][ T8413] REISERFS (device loop5): using ordered data mode [pid 8423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 300.790561][ T8413] reiserfs: using flush barriers [ 300.803894][ T8413] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 300.820769][ T8413] REISERFS (device loop5): checking transaction log (loop5) [ 300.830487][ T8413] REISERFS (device loop5): Using tea hash to sort names [ 300.830727][ T8414] REISERFS (device loop2): Using tea hash to sort names [pid 8420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8423] write(3, "1000", 4) = 4 [pid 8423] close(3) = 0 [pid 8423] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8423] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8413] <... mount resumed>) = 0 [pid 8413] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8423] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8413] <... openat resumed>) = 3 [pid 8413] chdir("./file0") = 0 [pid 8423] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8422] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8413] ioctl(4, LOOP_CLR_FD [pid 8423] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8423] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8417] <... write resumed>) = 4194304 [pid 8423] <... mprotect resumed>) = 0 [pid 8423] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8423] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8413] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 8424 attached [pid 8413] close(4 [pid 8424] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8423] <... clone3 resumed> => {parent_tid=[8424]}, 88) = 8424 [pid 8413] <... close resumed>) = 0 [pid 8424] <... rseq resumed>) = 0 [pid 8423] rt_sigprocmask(SIG_SETMASK, [], [pid 8414] <... mount resumed>) = 0 [pid 8424] set_robust_list(0x7f8728ba99a0, 24 [pid 8423] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8420] <... write resumed>) = 4194304 [pid 8414] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8413] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] <... set_robust_list resumed>) = 0 [pid 8423] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8420] munmap(0x7f8720789000, 138412032 [pid 8414] <... openat resumed>) = 3 [pid 8413] <... futex resumed>) = 1 [pid 8410] <... futex resumed>) = 0 [pid 8413] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8410] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] rt_sigprocmask(SIG_SETMASK, [], [pid 8423] <... futex resumed>) = 0 [ 300.838001][ T8413] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 300.869893][ T8414] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8414] chdir("./file0" [pid 8413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8410] <... futex resumed>) = 0 [pid 8424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8423] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8417] munmap(0x7f8720789000, 138412032 [pid 8414] <... chdir resumed>) = 0 [pid 8413] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8410] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8424] memfd_create("syzkaller", 0 [pid 8417] <... munmap resumed>) = 0 [pid 8414] ioctl(4, LOOP_CLR_FD [pid 8424] <... memfd_create resumed>) = 3 [pid 8414] <... ioctl resumed>) = 0 [pid 8424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8422] <... write resumed>) = 4194304 [pid 8420] <... munmap resumed>) = 0 [pid 8414] close(4 [pid 8413] <... open resumed>) = 4 [pid 8422] munmap(0x7f8720789000, 138412032 [pid 8420] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8417] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8413] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8410] <... futex resumed>) = 0 [pid 8410] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8420] <... openat resumed>) = 4 [pid 8417] <... openat resumed>) = 4 [pid 8414] <... close resumed>) = 0 [pid 8413] ftruncate(4, 33587195 [pid 8410] <... futex resumed>) = 0 [pid 8424] <... mmap resumed>) = 0x7f8720789000 [pid 8417] ioctl(4, LOOP_SET_FD, 3 [pid 8414] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8422] <... munmap resumed>) = 0 [pid 8420] ioctl(4, LOOP_SET_FD, 3 [pid 8414] <... futex resumed>) = 1 [pid 8412] <... futex resumed>) = 0 [pid 8422] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8412] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8414] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8414] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8417] <... ioctl resumed>) = 0 [pid 8417] close(3 [pid 8422] <... openat resumed>) = 4 [pid 8417] <... close resumed>) = 0 [pid 8414] <... futex resumed>) = 0 [pid 8412] <... futex resumed>) = 1 [pid 8422] ioctl(4, LOOP_SET_FD, 3 [pid 8417] mkdir("./file0", 0777 [ 300.941013][ T29] audit: type=1800 audit(1698988445.694:1094): pid=8413 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 300.967168][ T8417] loop4: detected capacity change from 0 to 8192 [ 300.981169][ T8420] loop0: detected capacity change from 0 to 8192 [pid 8414] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8412] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8417] <... mkdir resumed>) = 0 [pid 8422] <... ioctl resumed>) = 0 [pid 8420] <... ioctl resumed>) = 0 [pid 8417] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8413] <... ftruncate resumed>) = 0 [pid 8412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8422] close(3 [pid 8420] close(3 [pid 8413] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8422] <... close resumed>) = 0 [pid 8420] <... close resumed>) = 0 [pid 8414] <... futex resumed>) = 0 [pid 8413] <... futex resumed>) = 0 [pid 8412] <... futex resumed>) = 1 [pid 8410] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8422] mkdir("./file0", 0777 [pid 8420] mkdir("./file0", 0777 [pid 8414] ftruncate(4, 33587195 [pid 8413] creat("./bus", 040 [pid 8412] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8410] <... futex resumed>) = 0 [ 300.990431][ T8422] loop1: detected capacity change from 0 to 8192 [ 300.999836][ T29] audit: type=1800 audit(1698988445.734:1095): pid=8414 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [ 301.003552][ T8417] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8422] <... mkdir resumed>) = 0 [pid 8420] <... mkdir resumed>) = 0 [pid 8414] <... ftruncate resumed>) = 0 [pid 8413] <... creat resumed>) = 5 [pid 8410] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8422] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8420] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8413] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8414] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8413] <... futex resumed>) = 0 [pid 8410] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8410] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8413] mkdirat(AT_FDCWD, "./file0", 000 [pid 8414] <... futex resumed>) = 1 [pid 8412] <... futex resumed>) = 0 [pid 8414] creat("./bus", 040 [pid 8412] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8413] <... mkdirat resumed>) = 0 [pid 8414] <... creat resumed>) = 5 [pid 8413] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] <... futex resumed>) = 0 [pid 8413] <... futex resumed>) = 1 [pid 8410] <... futex resumed>) = 0 [pid 8413] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8410] exit_group(0 [pid 8413] <... futex resumed>) = ? [pid 8410] <... exit_group resumed>) = ? [pid 8414] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8414] <... futex resumed>) = 0 [pid 8413] +++ exited with 0 +++ [pid 8412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8414] mkdirat(AT_FDCWD, "./file0", 000 [pid 8412] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8414] <... mkdirat resumed>) = 0 [pid 8412] <... futex resumed>) = 0 [pid 8414] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8412] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8414] <... futex resumed>) = 0 [pid 8412] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 301.036898][ T8417] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [pid 8414] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8412] exit_group(0 [pid 8414] <... futex resumed>) = ? [pid 8412] <... exit_group resumed>) = ? [pid 8414] +++ exited with 0 +++ [pid 8412] +++ exited with 0 +++ [pid 8410] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8412, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8410, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5053] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 301.066852][ T8420] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 301.071366][ T8417] REISERFS (device loop4): using ordered data mode [ 301.083060][ T8422] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 301.087194][ T8417] reiserfs: using flush barriers [pid 5056] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... openat resumed>) = 3 [pid 5056] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] newfstatat(3, "", [pid 5056] <... openat resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 301.108777][ T8417] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 301.123671][ T8420] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 301.126877][ T8417] REISERFS (device loop4): checking transaction log (loop4) [ 301.135809][ T8422] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 301.144002][ T8417] REISERFS (device loop4): Using tea hash to sort names [ 301.158831][ T8420] REISERFS (device loop0): using ordered data mode [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8417] <... mount resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./182/binderfs", [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] getdents64(3, [pid 5053] unlink("./182/binderfs" [pid 8417] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... unlink resumed>) = 0 [pid 8417] chdir("./file0") = 0 [pid 5053] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8417] ioctl(4, LOOP_CLR_FD [pid 5056] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8417] <... ioctl resumed>) = 0 [pid 8417] close(4) = 0 [pid 8417] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8417] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./181/binderfs") = 0 [pid 8415] <... futex resumed>) = 0 [ 301.160035][ T8417] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 301.177419][ T8422] REISERFS (device loop1): using ordered data mode [ 301.184254][ T8422] reiserfs: using flush barriers [ 301.193801][ T8420] reiserfs: using flush barriers [pid 8415] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8417] <... futex resumed>) = 0 [pid 8415] <... futex resumed>) = 1 [pid 8417] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8417] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8417] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8415] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8417] <... futex resumed>) = 0 [pid 8415] <... futex resumed>) = 1 [pid 8417] ftruncate(4, 33587195 [pid 8415] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8417] <... ftruncate resumed>) = 0 [pid 8417] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8415] <... futex resumed>) = 0 [pid 8417] creat("./bus", 040 [pid 8415] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8417] <... creat resumed>) = 5 [pid 8415] <... futex resumed>) = 0 [pid 8415] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8417] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8417] <... futex resumed>) = 1 [pid 8415] <... futex resumed>) = 0 [pid 8417] mkdirat(AT_FDCWD, "./file0", 000 [pid 8415] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8417] <... mkdirat resumed>) = 0 [pid 8415] <... futex resumed>) = 0 [pid 8417] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8415] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8417] <... futex resumed>) = 0 [pid 8415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8417] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8415] exit_group(0 [pid 8417] <... futex resumed>) = ? [pid 8415] <... exit_group resumed>) = ? [pid 8417] +++ exited with 0 +++ [pid 8415] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8415, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=20 /* 0.20 s */} --- [pid 5055] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 301.208685][ T8420] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 301.217036][ T8422] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 301.232804][ T8420] REISERFS (device loop0): checking transaction log (loop0) [pid 5055] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./180/binderfs") = 0 [pid 5055] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8424] <... write resumed>) = 4194304 [ 301.241784][ T29] audit: type=1800 audit(1698988445.984:1096): pid=8417 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 301.284482][ T8420] REISERFS (device loop0): Using tea hash to sort names [ 301.299331][ T8422] REISERFS (device loop1): checking transaction log (loop1) [pid 8424] munmap(0x7f8720789000, 138412032) = 0 [pid 8424] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8424] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8424] close(3) = 0 [pid 8424] mkdir("./file0", 0777) = 0 [ 301.309892][ T8420] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 301.321085][ T8424] loop3: detected capacity change from 0 to 8192 [ 301.334450][ T8422] REISERFS (device loop1): Using tea hash to sort names [ 301.355777][ T8422] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8424] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8420] <... mount resumed>) = 0 [pid 8420] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8420] chdir("./file0") = 0 [pid 8420] ioctl(4, LOOP_CLR_FD) = 0 [pid 8420] close(4) = 0 [pid 8420] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8420] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8416] <... futex resumed>) = 0 [pid 8416] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8420] <... futex resumed>) = 0 [pid 8420] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8416] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8420] <... open resumed>) = 4 [pid 8420] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8416] <... futex resumed>) = 0 [pid 8416] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8420] ftruncate(4, 33587195 [pid 8416] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8420] <... ftruncate resumed>) = 0 [pid 8420] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8416] <... futex resumed>) = 0 [pid 8416] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8416] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 301.368931][ T8424] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 301.403082][ T8424] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8420] creat("./bus", 040) = 5 [pid 8422] <... mount resumed>) = 0 [pid 8422] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8420] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8422] <... openat resumed>) = 3 [pid 8420] <... futex resumed>) = 1 [pid 8416] <... futex resumed>) = 0 [pid 8422] chdir("./file0" [pid 8420] mkdirat(AT_FDCWD, "./file0", 000 [pid 8416] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8422] <... chdir resumed>) = 0 [pid 8420] <... mkdirat resumed>) = 0 [pid 8416] <... futex resumed>) = 0 [pid 8422] ioctl(4, LOOP_CLR_FD [pid 8420] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8416] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8422] <... ioctl resumed>) = 0 [pid 8420] <... futex resumed>) = 0 [pid 8416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8422] close(4 [pid 8420] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8416] exit_group(0 [pid 8422] <... close resumed>) = 0 [pid 8420] <... futex resumed>) = ? [pid 8416] <... exit_group resumed>) = ? [pid 8420] +++ exited with 0 +++ [pid 8416] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8416, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 8422] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8418] <... futex resumed>) = 0 [pid 5051] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8418] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8418] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8418] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... openat resumed>) = 3 [pid 5051] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8422] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5051] getdents64(3, [pid 8422] <... open resumed>) = 4 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 301.424271][ T8424] REISERFS (device loop3): using ordered data mode [pid 8422] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] newfstatat(AT_FDCWD, "./186/binderfs", [pid 8422] <... futex resumed>) = 1 [pid 8418] <... futex resumed>) = 0 [pid 8418] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8418] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8422] ftruncate(4, 33587195) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8422] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8418] <... futex resumed>) = 0 [pid 8418] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8418] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8422] creat("./bus", 040) = 5 [pid 5056] <... umount2 resumed>) = 0 [pid 5055] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = 0 [pid 5051] unlink("./186/binderfs" [pid 8422] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8422] <... futex resumed>) = 1 [pid 8418] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... unlink resumed>) = 0 [pid 8422] mkdirat(AT_FDCWD, "./file0", 000 [pid 8418] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8422] <... mkdirat resumed>) = 0 [pid 8418] <... futex resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./182/file0", [pid 5051] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8422] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8418] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8422] <... futex resumed>) = 0 [pid 8418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8422] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8418] exit_group(0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8422] <... futex resumed>) = ? [pid 8418] <... exit_group resumed>) = ? [ 301.473878][ T8424] reiserfs: using flush barriers [ 301.486676][ T8424] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 301.508761][ T8424] REISERFS (device loop3): checking transaction log (loop3) [pid 5056] newfstatat(AT_FDCWD, "./181/file0", [pid 5055] newfstatat(AT_FDCWD, "./180/file0", [pid 5053] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8422] +++ exited with 0 +++ [pid 8418] +++ exited with 0 +++ [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... openat resumed>) = 4 [pid 5056] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(4, "", [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] getdents64(4, [pid 5056] <... openat resumed>) = 4 [pid 5055] <... openat resumed>) = 4 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] newfstatat(4, "", [pid 5055] newfstatat(4, "", [pid 5053] getdents64(4, [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8418, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5056] getdents64(4, [pid 5055] getdents64(4, [pid 5053] close(4 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... close resumed>) = 0 [pid 5056] getdents64(4, [pid 5055] getdents64(4, [pid 5053] rmdir("./182/file0" [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5056] close(4 [pid 5055] close(4 [pid 5053] getdents64(3, [pid 5052] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] rmdir("./181/file0" [pid 5055] rmdir("./180/file0" [pid 5053] close(3 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] rmdir("./182" [pid 5056] getdents64(3, [pid 5055] getdents64(3, [pid 5053] <... rmdir resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] newfstatat(3, "", [pid 5056] close(3 [pid 5055] close(3 [pid 5053] mkdir("./183", 0777 [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 5056] rmdir("./181" [pid 5055] rmdir("./180" [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8424] <... mount resumed>) = 0 [pid 5056] mkdir("./182", 0777 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] getdents64(3, [pid 5053] <... openat resumed>) = 3 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8424] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] <... mkdir resumed>) = 0 [pid 5052] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8424] <... openat resumed>) = 3 [pid 5055] mkdir("./181", 0777 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8424] chdir("./file0" [pid 5052] newfstatat(AT_FDCWD, "./183/binderfs", [pid 8424] <... chdir resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8424] ioctl(4, LOOP_CLR_FD [pid 5052] unlink("./183/binderfs" [pid 8424] <... ioctl resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] close(3 [pid 5052] <... unlink resumed>) = 0 [pid 8424] close(4 [pid 5052] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8424] <... close resumed>) = 0 [pid 8424] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 5055] <... openat resumed>) = 3 [pid 5053] <... close resumed>) = 0 [pid 8423] <... futex resumed>) = 0 [pid 8424] <... futex resumed>) = 1 [pid 8423] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8423] <... futex resumed>) = 0 [ 301.528185][ T8424] REISERFS (device loop3): Using tea hash to sort names [ 301.546688][ T8424] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8424] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8423] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8424] <... open resumed>) = 4 [pid 5056] close(3 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] close(3 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8429 ./strace-static-x86_64: Process 8429 attached [pid 5056] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8429] set_robust_list(0x55555656d6a0, 24 [pid 8424] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8429] <... set_robust_list resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8431 [pid 8429] chdir("./183" [pid 8424] <... futex resumed>) = 1 [pid 8423] <... futex resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8430 [pid 8429] <... chdir resumed>) = 0 [pid 8424] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8423] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8423] <... futex resumed>) = 0 [pid 8429] <... prctl resumed>) = 0 [pid 8424] ftruncate(4, 33587195 [pid 8423] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8429] setpgid(0, 0./strace-static-x86_64: Process 8430 attached ./strace-static-x86_64: Process 8431 attached ) = 0 [pid 8424] <... ftruncate resumed>) = 0 [pid 8431] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8431] chdir("./181" [pid 8430] set_robust_list(0x55555656d6a0, 24 [pid 8431] <... chdir resumed>) = 0 [pid 8431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8430] <... set_robust_list resumed>) = 0 [pid 8431] <... prctl resumed>) = 0 [pid 8430] chdir("./182" [pid 8431] setpgid(0, 0) = 0 [pid 8431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] <... umount2 resumed>) = 0 [pid 8430] <... chdir resumed>) = 0 [pid 8429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8431] <... openat resumed>) = 3 [pid 8429] <... openat resumed>) = 3 [pid 8431] write(3, "1000", 4 [pid 8430] <... prctl resumed>) = 0 [pid 8431] <... write resumed>) = 4 [pid 8430] setpgid(0, 0 [pid 8431] close(3 [pid 8430] <... setpgid resumed>) = 0 [pid 8431] <... close resumed>) = 0 [pid 8431] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8424] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8429] write(3, "1000", 4 [pid 8424] <... futex resumed>) = 1 [pid 8423] <... futex resumed>) = 0 [pid 8430] <... openat resumed>) = 3 [pid 8429] <... write resumed>) = 4 [pid 8424] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8423] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8429] close(3 [pid 8424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8423] <... futex resumed>) = 0 [pid 8430] write(3, "1000", 4 [pid 8431] <... futex resumed>) = 0 [pid 8429] <... close resumed>) = 0 [pid 8424] creat("./bus", 040 [pid 8423] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8430] <... write resumed>) = 4 [pid 8431] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8429] symlink("/dev/binderfs", "./binderfs" [pid 8424] <... creat resumed>) = 5 [pid 5051] newfstatat(AT_FDCWD, "./186/file0", [pid 8431] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8431] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8429] <... symlink resumed>) = 0 [pid 8430] close(3 [pid 8431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8430] <... close resumed>) = 0 [pid 8431] <... mmap resumed>) = 0x7f8728b89000 [pid 8430] symlink("/dev/binderfs", "./binderfs" [pid 8431] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8430] <... symlink resumed>) = 0 [pid 8431] <... mprotect resumed>) = 0 [pid 8431] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8430] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8429] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8429] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8430] <... futex resumed>) = 0 [pid 8431] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8429] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 8432 attached [pid 8430] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8429] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8432] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8430] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8431] <... clone3 resumed> => {parent_tid=[8432]}, 88) = 8432 [pid 5051] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8432] <... rseq resumed>) = 0 [pid 8430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8431] rt_sigprocmask(SIG_SETMASK, [], [pid 8429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8432] set_robust_list(0x7f8728ba99a0, 24 [pid 8430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... openat resumed>) = 4 [pid 8432] <... set_robust_list resumed>) = 0 [pid 8432] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] newfstatat(4, "", [pid 8429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8432] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8429] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8432] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8430] <... mmap resumed>) = 0x7f8728b89000 [pid 8430] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8431] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8429] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8430] <... mprotect resumed>) = 0 [pid 8431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8429] <... mprotect resumed>) = 0 [pid 8432] <... futex resumed>) = 0 [pid 8430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8431] <... futex resumed>) = 1 [pid 5051] getdents64(4, [pid 8432] memfd_create("syzkaller", 0 [pid 8430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8429] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8424] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8432] <... memfd_create resumed>) = 3 [pid 8430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8424] <... futex resumed>) = 1 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8424] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8423] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8433 attached [pid 8432] <... mmap resumed>) = 0x7f8720789000 [pid 8423] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(4, [pid 8433] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8429] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8430] <... clone3 resumed> => {parent_tid=[8433]}, 88) = 8433 [pid 8433] <... rseq resumed>) = 0 [pid 8430] rt_sigprocmask(SIG_SETMASK, [], [pid 8433] set_robust_list(0x7f8728ba99a0, 24 [pid 8430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8433] <... set_robust_list resumed>) = 0 [pid 8430] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] rt_sigprocmask(SIG_SETMASK, [], [pid 8430] <... futex resumed>) = 0 [pid 8433] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8430] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8433] memfd_create("syzkaller", 0 [pid 8429] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8424] mkdirat(AT_FDCWD, "./file0", 000 [pid 8423] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4 [pid 8423] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... close resumed>) = 0 [pid 8433] <... memfd_create resumed>) = 3 [pid 8424] <... mkdirat resumed>) = 0 [pid 5051] rmdir("./186/file0" [pid 8429] <... clone3 resumed> => {parent_tid=[8434]}, 88) = 8434 [pid 8424] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 8434 attached ) = 0x7f8720789000 [pid 8429] rt_sigprocmask(SIG_SETMASK, [], [pid 8424] <... futex resumed>) = 1 [pid 8423] <... futex resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 8434] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8424] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8423] exit_group(0 [pid 8434] <... rseq resumed>) = 0 [pid 8429] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8424] <... futex resumed>) = ? [pid 8423] <... exit_group resumed>) = ? [pid 5052] <... umount2 resumed>) = 0 [pid 5051] getdents64(3, [pid 8434] set_robust_list(0x7f8728ba99a0, 24 [pid 8429] <... futex resumed>) = 0 [pid 8424] +++ exited with 0 +++ [pid 8434] <... set_robust_list resumed>) = 0 [pid 8429] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8434] rt_sigprocmask(SIG_SETMASK, [], [pid 5052] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] close(3 [pid 8434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8423] +++ exited with 0 +++ [pid 5051] <... close resumed>) = 0 [pid 8434] memfd_create("syzkaller", 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8423, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] rmdir("./186" [pid 8434] <... memfd_create resumed>) = 3 [pid 5052] newfstatat(AT_FDCWD, "./183/file0", [pid 8434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5054] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8434] <... mmap resumed>) = 0x7f8720789000 [pid 5052] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] mkdir("./187", 0777 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... openat resumed>) = 3 [pid 5052] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... openat resumed>) = 4 [pid 5054] getdents64(3, [pid 5052] newfstatat(4, "", [pid 5051] <... mkdir resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] getdents64(4, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... openat resumed>) = 3 [pid 5052] getdents64(4, [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./180/binderfs", [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] close(4 [pid 5051] close(3 [pid 8432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] unlink("./180/binderfs" [pid 5051] <... close resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 8435 attached [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8435 [pid 5052] rmdir("./183/file0" [pid 5054] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8435] set_robust_list(0x55555656d6a0, 24 [pid 5052] <... rmdir resumed>) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] close(3) = 0 [pid 8435] <... set_robust_list resumed>) = 0 [pid 5052] rmdir("./183" [pid 8433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5052] <... rmdir resumed>) = 0 [pid 8435] chdir("./187" [pid 5052] mkdir("./184", 0777 [pid 8435] <... chdir resumed>) = 0 [pid 8435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] <... mkdir resumed>) = 0 [pid 8435] <... prctl resumed>) = 0 [pid 8435] setpgid(0, 0 [pid 8434] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8435] <... setpgid resumed>) = 0 [pid 8435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... openat resumed>) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 8435] <... openat resumed>) = 3 [pid 5052] close(3) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8436 attached [pid 8436] set_robust_list(0x55555656d6a0, 24 [pid 8435] write(3, "1000", 4 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8436 [pid 8436] <... set_robust_list resumed>) = 0 [pid 8435] <... write resumed>) = 4 [pid 8436] chdir("./184" [pid 8435] close(3) = 0 [pid 8435] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8436] <... chdir resumed>) = 0 [pid 8435] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8435] <... futex resumed>) = 0 [pid 8436] setpgid(0, 0 [pid 8435] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8436] <... setpgid resumed>) = 0 [pid 8435] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8435] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8436] <... openat resumed>) = 3 [pid 8436] write(3, "1000", 4 [pid 8435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8436] <... write resumed>) = 4 [pid 8435] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8436] close(3 [pid 8435] <... mprotect resumed>) = 0 [pid 8436] <... close resumed>) = 0 [pid 8435] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8436] symlink("/dev/binderfs", "./binderfs" [pid 8435] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8435] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8437]}, 88) = 8437 ./strace-static-x86_64: Process 8437 attached [pid 8436] <... symlink resumed>) = 0 [pid 8435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8437] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8435] <... futex resumed>) = 0 [pid 8437] <... rseq resumed>) = 0 [pid 8436] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8437] set_robust_list(0x7f8728ba99a0, 24 [pid 8436] <... futex resumed>) = 0 [pid 8437] <... set_robust_list resumed>) = 0 [pid 8436] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8436] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8437] memfd_create("syzkaller", 0 [pid 8436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8437] <... memfd_create resumed>) = 3 [pid 8436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8436] <... mmap resumed>) = 0x7f8728b89000 [pid 8436] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8437] <... mmap resumed>) = 0x7f8720789000 [pid 8436] <... mprotect resumed>) = 0 [pid 8436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8434] <... write resumed>) = 4194304 [pid 8436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0}./strace-static-x86_64: Process 8438 attached => {parent_tid=[8438]}, 88) = 8438 [pid 8438] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8436] rt_sigprocmask(SIG_SETMASK, [], [pid 8438] set_robust_list(0x7f8728ba99a0, 24 [pid 8436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8434] munmap(0x7f8720789000, 138412032 [pid 5054] <... umount2 resumed>) = 0 [pid 8438] <... set_robust_list resumed>) = 0 [pid 8436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8438] rt_sigprocmask(SIG_SETMASK, [], [pid 8436] <... futex resumed>) = 0 [pid 8438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8432] <... write resumed>) = 4194304 [pid 8438] memfd_create("syzkaller", 0 [pid 8432] munmap(0x7f8720789000, 138412032 [pid 8438] <... memfd_create resumed>) = 3 [pid 8434] <... munmap resumed>) = 0 [pid 8432] <... munmap resumed>) = 0 [pid 8438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8434] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8438] <... mmap resumed>) = 0x7f8720789000 [pid 8432] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8432] ioctl(4, LOOP_SET_FD, 3 [pid 8434] <... openat resumed>) = 4 [pid 8433] <... write resumed>) = 4194304 [pid 8432] <... ioctl resumed>) = 0 [pid 5054] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./180/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5054] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./180/file0") = 0 [pid 8434] ioctl(4, LOOP_SET_FD, 3 [pid 8433] munmap(0x7f8720789000, 138412032 [pid 8432] close(3 [pid 5054] getdents64(3, [pid 8432] <... close resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8432] mkdir("./file0", 0777 [pid 5054] close(3 [pid 8438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8434] <... ioctl resumed>) = 0 [pid 8433] <... munmap resumed>) = 0 [pid 8432] <... mkdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./180") = 0 [pid 8433] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8433] ioctl(4, LOOP_SET_FD, 3 [pid 8432] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5054] mkdir("./181", 0777) = 0 [ 301.975675][ T8432] loop4: detected capacity change from 0 to 8192 [ 302.006540][ T8434] loop2: detected capacity change from 0 to 8192 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8440 attached [pid 8440] set_robust_list(0x55555656d6a0, 24 [pid 8434] close(3 [pid 8433] <... ioctl resumed>) = 0 [pid 8440] <... set_robust_list resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8440 [pid 8440] chdir("./181" [pid 8434] <... close resumed>) = 0 [pid 8433] close(3 [pid 8440] <... chdir resumed>) = 0 [pid 8440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8440] setpgid(0, 0) = 0 [ 302.020186][ T8433] loop5: detected capacity change from 0 to 8192 [ 302.029099][ T8432] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.055991][ T8432] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 302.066012][ T8432] REISERFS (device loop4): using ordered data mode [pid 8440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8434] mkdir("./file0", 0777 [pid 8433] <... close resumed>) = 0 [pid 8440] <... openat resumed>) = 3 [pid 8440] write(3, "1000", 4) = 4 [pid 8440] close(3) = 0 [pid 8440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8440] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8440] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8440] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8434] <... mkdir resumed>) = 0 [pid 8433] mkdir("./file0", 0777 [pid 8440] <... mprotect resumed>) = 0 [pid 8434] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8440] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8433] <... mkdir resumed>) = 0 [pid 8440] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8440] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8437] <... write resumed>) = 4194304 [pid 8437] munmap(0x7f8720789000, 138412032) = 0 [ 302.072582][ T8432] reiserfs: using flush barriers [ 302.084390][ T8434] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.101015][ T8432] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.107570][ T8437] loop0: detected capacity change from 0 to 8192 [pid 8437] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 8442 attached [pid 8433] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8442] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8442] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8437] <... openat resumed>) = 4 [pid 8442] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8437] ioctl(4, LOOP_SET_FD, 3 [pid 8440] <... clone3 resumed> => {parent_tid=[8442]}, 88) = 8442 [pid 8440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8442] <... futex resumed>) = 0 [pid 8440] <... futex resumed>) = 1 [pid 8442] memfd_create("syzkaller", 0 [pid 8440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8442] <... memfd_create resumed>) = 3 [pid 8442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [ 302.124244][ T8432] REISERFS (device loop4): checking transaction log (loop4) [ 302.132917][ T8432] REISERFS (device loop4): Using tea hash to sort names [ 302.140061][ T8433] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.141740][ T8432] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 302.163368][ T8434] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [pid 8438] <... write resumed>) = 4194304 [pid 8437] <... ioctl resumed>) = 0 [pid 8432] <... mount resumed>) = 0 [pid 8437] close(3) = 0 [pid 8437] mkdir("./file0", 0777) = 0 [pid 8437] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8432] chdir("./file0") = 0 [pid 8432] ioctl(4, LOOP_CLR_FD) = 0 [pid 8432] close(4) = 0 [pid 8432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 302.172982][ T8434] REISERFS (device loop2): using ordered data mode [ 302.179637][ T8434] reiserfs: using flush barriers [ 302.188250][ T8434] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.192413][ T8433] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 302.205098][ T8434] REISERFS (device loop2): checking transaction log (loop2) [pid 8432] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8438] munmap(0x7f8720789000, 138412032) = 0 [pid 8434] <... mount resumed>) = 0 [pid 8431] <... futex resumed>) = 0 [pid 8438] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8434] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8438] <... openat resumed>) = 4 [pid 8434] <... openat resumed>) = 3 [pid 8438] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8434] chdir("./file0" [ 302.222211][ T8434] REISERFS (device loop2): Using tea hash to sort names [ 302.229818][ T8434] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 302.239655][ T8433] REISERFS (device loop5): using ordered data mode [ 302.246282][ T8433] reiserfs: using flush barriers [ 302.246293][ T8437] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.255195][ T8438] loop1: detected capacity change from 0 to 8192 [pid 8431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8438] close(3 [pid 8442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8434] <... chdir resumed>) = 0 [pid 8432] <... futex resumed>) = 0 [pid 8431] <... futex resumed>) = 1 [pid 8438] <... close resumed>) = 0 [pid 8438] mkdir("./file0", 0777) = 0 [pid 8438] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8434] ioctl(4, LOOP_CLR_FD [pid 8432] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8434] <... ioctl resumed>) = 0 [pid 8432] <... open resumed>) = 4 [ 302.273265][ T8433] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.278073][ T8437] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 302.296649][ T8433] REISERFS (device loop5): checking transaction log (loop5) [ 302.308160][ T8437] REISERFS (device loop0): using ordered data mode [pid 8434] close(4 [pid 8432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8431] <... futex resumed>) = 0 [pid 8434] <... close resumed>) = 0 [pid 8432] ftruncate(4, 33587195 [pid 8431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8434] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8431] <... futex resumed>) = 0 [pid 8431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8434] <... futex resumed>) = 1 [pid 8434] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8429] <... futex resumed>) = 0 [pid 8429] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8434] <... futex resumed>) = 0 [pid 8429] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8434] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8434] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8429] <... futex resumed>) = 0 [pid 8434] ftruncate(4, 33587195 [pid 8429] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 302.318628][ T8438] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 302.332549][ T8437] reiserfs: using flush barriers [ 302.363318][ T8438] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [pid 8429] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8432] <... ftruncate resumed>) = 0 [pid 8442] <... write resumed>) = 4194304 [pid 8434] <... ftruncate resumed>) = 0 [pid 8442] munmap(0x7f8720789000, 138412032 [ 302.365950][ T8433] REISERFS (device loop5): Using tea hash to sort names [ 302.372789][ T8438] REISERFS (device loop1): using ordered data mode [ 302.388537][ T8438] reiserfs: using flush barriers [ 302.394529][ T8437] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.395894][ T8433] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8442] <... munmap resumed>) = 0 [pid 8434] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8432] <... futex resumed>) = 0 [pid 8431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8442] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8442] <... openat resumed>) = 4 [pid 8431] <... futex resumed>) = 0 [pid 8442] ioctl(4, LOOP_SET_FD, 3 [pid 8431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8432] creat("./bus", 040 [pid 8434] <... futex resumed>) = 1 [pid 8434] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8433] <... mount resumed>) = 0 [pid 8442] <... ioctl resumed>) = 0 [pid 8432] <... creat resumed>) = 5 [pid 8429] <... futex resumed>) = 0 [pid 8433] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8442] close(3 [pid 8432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8429] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] chdir("./file0" [pid 8434] <... futex resumed>) = 0 [ 302.424374][ T8437] REISERFS (device loop0): checking transaction log (loop0) [ 302.432071][ T8438] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.432087][ T8442] loop3: detected capacity change from 0 to 8192 [ 302.435908][ T8437] REISERFS (device loop0): Using tea hash to sort names [ 302.450018][ T8438] REISERFS (device loop1): checking transaction log (loop1) [pid 8432] <... futex resumed>) = 1 [pid 8431] <... futex resumed>) = 0 [pid 8429] <... futex resumed>) = 1 [pid 8431] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8429] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8434] creat("./bus", 040 [pid 8432] mkdirat(AT_FDCWD, "./file0", 000 [pid 8431] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] <... chdir resumed>) = 0 [pid 8433] ioctl(4, LOOP_CLR_FD) = 0 [pid 8433] close(4) = 0 [pid 8433] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8433] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8430] <... futex resumed>) = 0 [pid 8430] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] <... futex resumed>) = 0 [pid 8430] <... futex resumed>) = 1 [pid 8433] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8433] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8433] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8430] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8430] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] <... futex resumed>) = 0 [pid 8430] <... futex resumed>) = 1 [pid 8433] ftruncate(4, 33587195 [pid 8430] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] <... ftruncate resumed>) = 0 [pid 8433] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8430] <... futex resumed>) = 0 [pid 8433] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8430] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8430] <... futex resumed>) = 0 [pid 8433] creat("./bus", 040 [pid 8430] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] <... creat resumed>) = 5 [pid 8433] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8430] <... futex resumed>) = 0 [pid 8430] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8430] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8433] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8433] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8430] <... futex resumed>) = 0 [pid 8430] exit_group(0) = ? [pid 8433] <... futex resumed>) = ? [pid 8442] <... close resumed>) = 0 [pid 8438] <... mount resumed>) = 0 [pid 8434] <... creat resumed>) = 5 [pid 8432] <... mkdirat resumed>) = 0 [pid 8442] mkdir("./file0", 0777 [pid 8438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8432] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8442] <... mkdir resumed>) = 0 [pid 8438] <... openat resumed>) = 3 [pid 8432] <... futex resumed>) = 1 [pid 8431] <... futex resumed>) = 0 [pid 8442] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8438] chdir("./file0" [pid 8434] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8433] +++ exited with 0 +++ [pid 8432] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8430] +++ exited with 0 +++ [pid 8431] exit_group(0 [pid 8438] <... chdir resumed>) = 0 [pid 8437] <... mount resumed>) = 0 [pid 8431] <... exit_group resumed>) = ? [pid 8429] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8430, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8434] <... futex resumed>) = 0 [pid 8429] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 8434] mkdirat(AT_FDCWD, "./file0", 000 [pid 8429] <... futex resumed>) = 0 [pid 5056] <... restart_syscall resumed>) = 0 [pid 8434] <... mkdirat resumed>) = 0 [pid 8429] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8434] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8432] <... futex resumed>) = ? [pid 8429] <... futex resumed>) = 0 [pid 5056] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8437] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8434] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8432] +++ exited with 0 +++ [pid 8431] +++ exited with 0 +++ [pid 8429] exit_group(0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8437] <... openat resumed>) = 3 [pid 8434] <... futex resumed>) = ? [pid 8429] <... exit_group resumed>) = ? [pid 5056] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8431, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 8438] ioctl(4, LOOP_CLR_FD [pid 8437] chdir("./file0" [pid 8434] +++ exited with 0 +++ [pid 8429] +++ exited with 0 +++ [pid 5056] <... openat resumed>) = 3 [ 302.488361][ T8438] REISERFS (device loop1): Using tea hash to sort names [ 302.495852][ T8438] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 302.505789][ T8437] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 302.521191][ T8442] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8438] <... ioctl resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8429, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 8438] close(4 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8438] <... close resumed>) = 0 [pid 8437] <... chdir resumed>) = 0 [pid 5056] getdents64(3, [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8438] <... futex resumed>) = 1 [pid 8436] <... futex resumed>) = 0 [pid 5056] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 3 [pid 8438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8437] ioctl(4, LOOP_CLR_FD [pid 8436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(3, "", [pid 8438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8437] <... ioctl resumed>) = 0 [pid 8436] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./182/binderfs", [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8438] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8437] close(4) = 0 [pid 5056] unlink("./182/binderfs" [pid 8437] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8437] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8438] <... open resumed>) = 4 [pid 8436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8435] <... futex resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 5055] getdents64(3, [pid 5053] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8435] <... futex resumed>) = 1 [pid 8435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... openat resumed>) = 3 [pid 5055] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./181/binderfs", [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] getdents64(3, [pid 8437] <... futex resumed>) = 0 [pid 8437] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8437] <... open resumed>) = 4 [pid 8438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] unlink("./181/binderfs" [pid 5053] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] <... unlink resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./183/binderfs", [pid 8438] <... futex resumed>) = 1 [pid 8436] <... futex resumed>) = 0 [pid 8436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8438] ftruncate(4, 33587195 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 302.551765][ T8442] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 302.561562][ T8442] REISERFS (device loop3): using ordered data mode [ 302.568582][ T8442] reiserfs: using flush barriers [pid 5053] unlink("./183/binderfs" [pid 8438] <... ftruncate resumed>) = 0 [pid 8437] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... unlink resumed>) = 0 [pid 8437] <... futex resumed>) = 1 [pid 8435] <... futex resumed>) = 0 [pid 8435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8437] ftruncate(4, 33587195 [pid 5053] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8438] <... futex resumed>) = 1 [pid 8438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8436] <... futex resumed>) = 0 [pid 8436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8438] <... futex resumed>) = 0 [pid 8437] <... ftruncate resumed>) = 0 [pid 8436] <... futex resumed>) = 1 [pid 8438] creat("./bus", 040 [pid 8436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8438] <... creat resumed>) = 5 [pid 8437] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8435] <... futex resumed>) = 0 [pid 8437] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8437] creat("./bus", 040) = 5 [pid 8438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8436] <... futex resumed>) = 0 [pid 8436] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8436] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8438] <... futex resumed>) = 0 [pid 8438] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8438] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8436] <... futex resumed>) = 0 [pid 8438] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8436] exit_group(0 [pid 8438] <... futex resumed>) = ? [pid 8437] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8436] <... exit_group resumed>) = ? [pid 8438] +++ exited with 0 +++ [pid 8437] <... futex resumed>) = 1 [pid 8437] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8442] <... mount resumed>) = 0 [pid 8435] <... futex resumed>) = 0 [pid 8435] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8442] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8437] <... futex resumed>) = 0 [pid 8435] <... futex resumed>) = 1 [pid 8442] <... openat resumed>) = 3 [pid 8437] mkdirat(AT_FDCWD, "./file0", 000 [pid 8435] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8442] chdir("./file0" [pid 8437] <... mkdirat resumed>) = 0 [pid 8436] +++ exited with 0 +++ [pid 8442] <... chdir resumed>) = 0 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8436, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 8442] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8442] close(4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8442] <... close resumed>) = 0 [pid 8442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8437] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... openat resumed>) = 3 [ 302.607713][ T8442] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 302.624661][ T8442] REISERFS (device loop3): checking transaction log (loop3) [ 302.635243][ T8442] REISERFS (device loop3): Using tea hash to sort names [ 302.642670][ T8442] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8442] <... futex resumed>) = 1 [pid 8440] <... futex resumed>) = 0 [pid 8437] <... futex resumed>) = 1 [pid 8435] <... futex resumed>) = 0 [pid 5052] newfstatat(3, "", [pid 8440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8437] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8440] <... futex resumed>) = 0 [pid 8440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8442] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8435] exit_group(0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8435] <... exit_group resumed>) = ? [pid 5052] getdents64(3, [pid 8442] <... open resumed>) = 4 [pid 8437] <... futex resumed>) = ? [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8437] +++ exited with 0 +++ [pid 8435] +++ exited with 0 +++ [pid 5052] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8435, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./184/binderfs", [pid 8442] <... futex resumed>) = 1 [pid 8440] <... futex resumed>) = 0 [pid 8440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] unlink("./184/binderfs" [pid 8442] ftruncate(4, 33587195 [pid 8440] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8442] <... ftruncate resumed>) = 0 [pid 8440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... unlink resumed>) = 0 [pid 5055] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./181/file0", [pid 5051] <... openat resumed>) = 3 [pid 8442] <... futex resumed>) = 1 [pid 8440] <... futex resumed>) = 0 [pid 8440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8442] creat("./bus", 040 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] newfstatat(3, "", [pid 8442] <... creat resumed>) = 5 [pid 5055] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(3, [pid 5055] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] newfstatat(4, "", [pid 5051] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] newfstatat(AT_FDCWD, "./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] unlink("./187/binderfs") = 0 [pid 5051] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8440] <... futex resumed>) = 0 [pid 8440] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8440] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8442] <... futex resumed>) = 1 [pid 8442] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 8442] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8440] <... futex resumed>) = 0 [pid 8440] exit_group(0) = ? [pid 8442] +++ exited with 0 +++ [pid 8440] +++ exited with 0 +++ [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8440, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5055] close(4) = 0 [pid 5055] rmdir("./181/file0" [pid 5054] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] getdents64(3, [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 5055] close(3 [pid 5054] unlink("./181/binderfs" [pid 5055] <... close resumed>) = 0 [pid 5054] <... unlink resumed>) = 0 [pid 5055] rmdir("./181" [pid 5054] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... rmdir resumed>) = 0 [pid 5056] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] mkdir("./182", 0777 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./182/file0", [pid 5055] <... mkdir resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5056] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5056] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... umount2 resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5055] close(3 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5052] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] getdents64(4, [pid 5053] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./184/file0", [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] newfstatat(AT_FDCWD, "./183/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... openat resumed>) = 4 [pid 5053] <... openat resumed>) = 4 ./strace-static-x86_64: Process 8447 attached [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] newfstatat(4, "", [pid 8447] set_robust_list(0x55555656d6a0, 24 [pid 5056] getdents64(4, [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8447 [pid 5053] newfstatat(4, "", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(4, [pid 5053] getdents64(4, [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] getdents64(4, [pid 5053] getdents64(4, [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] close(4) = 0 [pid 5052] rmdir("./184/file0" [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./183/file0" [pid 5056] close(4 [pid 8447] <... set_robust_list resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8447] chdir("./182" [pid 5056] rmdir("./182/file0" [pid 5054] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... rmdir resumed>) = 0 [pid 5052] getdents64(3, [pid 8447] <... chdir resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] newfstatat(AT_FDCWD, "./181/file0", [pid 5056] getdents64(3, [pid 5053] getdents64(3, [pid 5052] close(3 [pid 8447] <... prctl resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8447] setpgid(0, 0 [pid 5056] close(3 [pid 5054] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8447] <... setpgid resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] <... close resumed>) = 0 [pid 8447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] rmdir("./182" [pid 5054] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] close(3 [pid 5052] rmdir("./184" [pid 5056] <... rmdir resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5053] <... close resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5056] mkdir("./183", 0777 [pid 5054] newfstatat(4, "", [pid 5053] rmdir("./183" [pid 5052] mkdir("./185", 0777 [pid 8447] <... openat resumed>) = 3 [pid 5056] <... mkdir resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] mkdir("./184", 0777 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8447] write(3, "1000", 4 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5054] getdents64(4, [pid 5053] <... mkdir resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8447] <... write resumed>) = 4 [pid 8447] close(3 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8447] <... close resumed>) = 0 [pid 5054] close(4) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] rmdir("./181/file0" [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5052] close(3 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... close resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8447] symlink("/dev/binderfs", "./binderfs" [pid 5054] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8447] <... symlink resumed>) = 0 [pid 5054] close(3 [pid 5053] <... close resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8448 ./strace-static-x86_64: Process 8448 attached [pid 8447] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... openat resumed>) = 3 [pid 5054] rmdir("./181" [pid 8447] <... futex resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8448] set_robust_list(0x55555656d6a0, 24 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8449 [pid 8448] <... set_robust_list resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] <... rmdir resumed>) = 0 [pid 8447] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5056] close(3 [pid 5054] mkdir("./182", 0777 [pid 8447] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 8449 attached [pid 8448] chdir("./185" [pid 8449] set_robust_list(0x55555656d6a0, 24 [pid 8448] <... chdir resumed>) = 0 [pid 8447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... mkdir resumed>) = 0 [pid 8448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8448] <... prctl resumed>) = 0 [pid 8447] <... mmap resumed>) = 0x7f8728b89000 [pid 8448] setpgid(0, 0 [pid 8447] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5056] <... close resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 8449] <... set_robust_list resumed>) = 0 [pid 8448] <... setpgid resumed>) = 0 [pid 8447] <... mprotect resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] ioctl(3, LOOP_CLR_FD [pid 8449] chdir("./184" [pid 8448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8448] <... openat resumed>) = 3 [pid 8448] write(3, "1000", 4 [pid 5054] close(3 [pid 8449] <... chdir resumed>) = 0 [pid 8448] <... write resumed>) = 4 [pid 8447] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8448] close(3 [pid 5054] <... close resumed>) = 0 [pid 8447] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8449] <... prctl resumed>) = 0 [pid 8448] <... close resumed>) = 0 [pid 8447] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8449] setpgid(0, 0 [pid 8448] symlink("/dev/binderfs", "./binderfs" [pid 8449] <... setpgid resumed>) = 0 [pid 8448] <... symlink resumed>) = 0 [pid 8449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 8450 attached [pid 8449] write(3, "1000", 4 [pid 8447] <... clone3 resumed> => {parent_tid=[8450]}, 88) = 8450 [pid 8449] <... write resumed>) = 4 [pid 8450] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8447] rt_sigprocmask(SIG_SETMASK, [], [pid 8450] <... rseq resumed>) = 0 [pid 8449] close(3 [pid 8447] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8450] set_robust_list(0x7f8728ba99a0, 24 [pid 8449] <... close resumed>) = 0 [pid 8448] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8452 attached [pid 8449] symlink("/dev/binderfs", "./binderfs" [pid 8448] <... futex resumed>) = 0 [pid 8452] set_robust_list(0x55555656d6a0, 24 [pid 8449] <... symlink resumed>) = 0 [pid 8448] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, ./strace-static-x86_64: Process 8451 attached [pid 8452] <... set_robust_list resumed>) = 0 [pid 8450] <... set_robust_list resumed>) = 0 [pid 8449] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8448] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8447] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8451 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8452 [pid 8452] chdir("./182" [pid 8451] set_robust_list(0x55555656d6a0, 24 [pid 8450] rt_sigprocmask(SIG_SETMASK, [], [pid 8449] <... futex resumed>) = 0 [pid 8448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8447] <... futex resumed>) = 0 [pid 8452] <... chdir resumed>) = 0 [pid 8447] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8452] setpgid(0, 0) = 0 [pid 8452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8449] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8449] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8449] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8448] <... mmap resumed>) = 0x7f8728b89000 [pid 8449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8448] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8448] <... mprotect resumed>) = 0 [pid 8449] <... mmap resumed>) = 0x7f8728b89000 [pid 8448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8449] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8449] <... mprotect resumed>) = 0 [pid 8448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8449] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8452] <... openat resumed>) = 3 [pid 8449] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 8453 attached [pid 8452] write(3, "1000", 4 [pid 8449] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8448] <... clone3 resumed> => {parent_tid=[8453]}, 88) = 8453 [pid 8453] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8452] <... write resumed>) = 4 [pid 8451] <... set_robust_list resumed>) = 0 [pid 8450] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8448] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8454 attached [pid 8453] <... rseq resumed>) = 0 [pid 8452] close(3 [pid 8449] <... clone3 resumed> => {parent_tid=[8454]}, 88) = 8454 [pid 8448] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8454] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8453] set_robust_list(0x7f8728ba99a0, 24 [pid 8452] <... close resumed>) = 0 [pid 8451] chdir("./183" [pid 8450] memfd_create("syzkaller", 0 [pid 8449] rt_sigprocmask(SIG_SETMASK, [], [pid 8448] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... umount2 resumed>) = 0 [pid 8451] <... chdir resumed>) = 0 [pid 8450] <... memfd_create resumed>) = 3 [pid 5051] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8451] <... prctl resumed>) = 0 [pid 8450] <... mmap resumed>) = 0x7f8720789000 [pid 8454] <... rseq resumed>) = 0 [pid 8453] <... set_robust_list resumed>) = 0 [pid 8452] symlink("/dev/binderfs", "./binderfs" [pid 8451] setpgid(0, 0 [pid 8449] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8448] <... futex resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./187/file0", [pid 8454] set_robust_list(0x7f8728ba99a0, 24 [pid 8453] rt_sigprocmask(SIG_SETMASK, [], [pid 8452] <... symlink resumed>) = 0 [pid 8449] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8448] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8454] <... set_robust_list resumed>) = 0 [pid 8453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8451] <... setpgid resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8454] rt_sigprocmask(SIG_SETMASK, [], [pid 8453] memfd_create("syzkaller", 0 [pid 8452] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8449] <... futex resumed>) = 0 [pid 5051] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8454] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8453] <... memfd_create resumed>) = 3 [pid 8452] <... futex resumed>) = 0 [pid 8449] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8454] memfd_create("syzkaller", 0 [pid 8453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8452] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8451] <... openat resumed>) = 3 [pid 5051] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8454] <... memfd_create resumed>) = 3 [pid 8453] <... mmap resumed>) = 0x7f8720789000 [pid 8452] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8451] write(3, "1000", 4 [pid 8454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5051] <... openat resumed>) = 4 [pid 8454] <... mmap resumed>) = 0x7f8720789000 [pid 8452] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] newfstatat(4, "", [pid 8452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8451] <... write resumed>) = 4 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 8452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8451] close(3 [pid 5051] getdents64(4, [pid 8452] <... mmap resumed>) = 0x7f8728b89000 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4 [pid 8452] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] <... close resumed>) = 0 [pid 5051] rmdir("./187/file0" [pid 8451] <... close resumed>) = 0 [pid 8452] <... mprotect resumed>) = 0 [pid 8452] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8451] symlink("/dev/binderfs", "./binderfs" [pid 5051] <... rmdir resumed>) = 0 [pid 8452] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8452] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8451] <... symlink resumed>) = 0 [pid 5051] getdents64(3, ./strace-static-x86_64: Process 8455 attached [pid 8452] <... clone3 resumed> => {parent_tid=[8455]}, 88) = 8455 [pid 8451] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8452] rt_sigprocmask(SIG_SETMASK, [], [pid 8451] <... futex resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8455] <... rseq resumed>) = 0 [pid 8452] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8455] set_robust_list(0x7f8728ba99a0, 24 [pid 8452] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8451] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] close(3 [pid 8455] <... set_robust_list resumed>) = 0 [pid 8452] <... futex resumed>) = 0 [pid 8451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8455] rt_sigprocmask(SIG_SETMASK, [], [pid 8452] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] <... close resumed>) = 0 [pid 8451] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5051] rmdir("./187" [pid 8451] <... mmap resumed>) = 0x7f8728b89000 [pid 8455] memfd_create("syzkaller", 0 [pid 8451] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5051] <... rmdir resumed>) = 0 [pid 8455] <... memfd_create resumed>) = 3 [pid 5051] mkdir("./188", 0777 [pid 8451] <... mprotect resumed>) = 0 [pid 8455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] <... mkdir resumed>) = 0 [pid 8451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5051] close(3 [pid 8451] <... clone3 resumed> => {parent_tid=[8456]}, 88) = 8456 [pid 5051] <... close resumed>) = 0 [pid 8451] rt_sigprocmask(SIG_SETMASK, [], [pid 8455] <... mmap resumed>) = 0x7f8720789000 [pid 8451] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 8456 attached [pid 8451] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8451] <... futex resumed>) = 0 [pid 8456] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8456] set_robust_list(0x7f8728ba99a0, 24 [pid 8451] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8456] <... set_robust_list resumed>) = 0 [pid 8456] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8457 attached NULL, 8) = 0 [pid 8453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8457] set_robust_list(0x55555656d6a0, 24 [pid 8456] memfd_create("syzkaller", 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8457 [pid 8457] <... set_robust_list resumed>) = 0 [pid 8457] chdir("./188" [pid 8456] <... memfd_create resumed>) = 3 [pid 8456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8457] <... chdir resumed>) = 0 [pid 8456] <... mmap resumed>) = 0x7f8720789000 [pid 8454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8457] setpgid(0, 0) = 0 [pid 8457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8457] write(3, "1000", 4) = 4 [pid 8457] close(3) = 0 [pid 8457] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8457] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8457] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8457] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8458]}, 88) = 8458 [pid 8457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8457] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8457] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8458 attached [pid 8458] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8458] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8458] memfd_create("syzkaller", 0) = 3 [pid 8458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8458] <... mmap resumed>) = 0x7f8720789000 [pid 8453] <... write resumed>) = 4194304 [pid 8455] <... write resumed>) = 4194304 [pid 8454] <... write resumed>) = 4194304 [pid 8453] munmap(0x7f8720789000, 138412032 [pid 8450] <... write resumed>) = 4194304 [pid 8458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8456] <... write resumed>) = 4194304 [pid 8455] munmap(0x7f8720789000, 138412032 [pid 8454] munmap(0x7f8720789000, 138412032 [pid 8450] munmap(0x7f8720789000, 138412032 [pid 8456] munmap(0x7f8720789000, 138412032 [pid 8453] <... munmap resumed>) = 0 [pid 8450] <... munmap resumed>) = 0 [pid 8450] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 8450] ioctl(4, LOOP_SET_FD, 3 [pid 8456] <... munmap resumed>) = 0 [pid 8455] <... munmap resumed>) = 0 [pid 8454] <... munmap resumed>) = 0 [pid 8453] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8456] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8454] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8453] <... openat resumed>) = 4 [pid 8455] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8456] <... openat resumed>) = 4 [pid 8455] <... openat resumed>) = 4 [pid 8454] <... openat resumed>) = 4 [pid 8453] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8456] ioctl(4, LOOP_SET_FD, 3 [pid 8455] ioctl(4, LOOP_SET_FD, 3 [pid 8454] ioctl(4, LOOP_SET_FD, 3 [pid 8450] <... ioctl resumed>) = 0 [pid 8450] close(3) = 0 [pid 8450] mkdir("./file0", 0777) = 0 [pid 8450] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8453] close(3) = 0 [ 303.332763][ T8450] loop4: detected capacity change from 0 to 8192 [ 303.343870][ T8453] loop1: detected capacity change from 0 to 8192 [ 303.352284][ T8454] loop2: detected capacity change from 0 to 8192 [ 303.359682][ T8456] loop5: detected capacity change from 0 to 8192 [ 303.367044][ T8455] loop3: detected capacity change from 0 to 8192 [pid 8453] mkdir("./file0", 0777) = 0 [pid 8453] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8454] <... ioctl resumed>) = 0 [pid 8456] <... ioctl resumed>) = 0 [pid 8455] <... ioctl resumed>) = 0 [pid 8454] close(3) = 0 [pid 8454] mkdir("./file0", 0777 [pid 8456] close(3 [pid 8455] close(3 [pid 8454] <... mkdir resumed>) = 0 [pid 8456] <... close resumed>) = 0 [pid 8455] <... close resumed>) = 0 [pid 8456] mkdir("./file0", 0777 [pid 8455] mkdir("./file0", 0777) = 0 [pid 8456] <... mkdir resumed>) = 0 [pid 8455] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8454] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8456] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8458] <... write resumed>) = 4194304 [ 303.374458][ T8450] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.388596][ T8450] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 303.389048][ T8453] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.415736][ T8450] REISERFS (device loop4): using ordered data mode [ 303.422780][ T8450] reiserfs: using flush barriers [ 303.424171][ T8454] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.432326][ T8453] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 303.441011][ T8454] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 303.459551][ T8454] REISERFS (device loop2): using ordered data mode [ 303.459707][ T8455] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.466106][ T8454] reiserfs: using flush barriers [ 303.468206][ T8453] REISERFS (device loop1): using ordered data mode [ 303.479579][ T8456] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.484343][ T8454] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 303.492129][ T8450] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 303.503816][ T8453] reiserfs: using flush barriers [ 303.506225][ T8454] REISERFS (device loop2): checking transaction log (loop2) [ 303.536261][ T8456] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 303.536409][ T8456] REISERFS (device loop5): using ordered data mode [ 303.541256][ T8453] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8458] munmap(0x7f8720789000, 138412032) = 0 [pid 8458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 303.557656][ T8456] reiserfs: using flush barriers [ 303.559520][ T8456] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 303.566783][ T8455] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 303.586093][ T8450] REISERFS (device loop4): checking transaction log (loop4) [ 303.603419][ T8458] loop0: detected capacity change from 0 to 8192 [ 303.625382][ T8456] REISERFS (device loop5): checking transaction log (loop5) [pid 8458] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8458] close(3) = 0 [pid 8458] mkdir("./file0", 0777) = 0 [ 303.626638][ T8453] REISERFS (device loop1): checking transaction log (loop1) [ 303.635048][ T8456] REISERFS (device loop5): Using tea hash to sort names [ 303.644054][ T8455] REISERFS (device loop3): using ordered data mode [ 303.650371][ T8450] REISERFS (device loop4): Using tea hash to sort names [ 303.655041][ T8455] reiserfs: using flush barriers [ 303.661264][ T8454] REISERFS (device loop2): Using tea hash to sort names [ 303.668349][ T8456] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8458] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8456] <... mount resumed>) = 0 [pid 8456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8456] chdir("./file0") = 0 [pid 8456] ioctl(4, LOOP_CLR_FD) = 0 [pid 8456] close(4) = 0 [pid 8456] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8456] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8451] <... futex resumed>) = 0 [pid 8451] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... futex resumed>) = 0 [pid 8451] <... futex resumed>) = 1 [pid 8456] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8456] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8456] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8451] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8451] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... futex resumed>) = 0 [pid 8451] <... futex resumed>) = 1 [pid 8456] ftruncate(4, 33587195 [pid 8451] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8456] <... ftruncate resumed>) = 0 [pid 8450] <... mount resumed>) = 0 [pid 8450] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 303.673312][ T8458] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 303.683070][ T8450] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 303.695483][ T8454] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 303.716524][ T8455] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8450] chdir("./file0" [pid 8456] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8454] <... mount resumed>) = 0 [pid 8454] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8450] <... chdir resumed>) = 0 [pid 8454] <... openat resumed>) = 3 [pid 8450] ioctl(4, LOOP_CLR_FD [pid 8454] chdir("./file0" [pid 8450] <... ioctl resumed>) = 0 [pid 8454] <... chdir resumed>) = 0 [pid 8450] close(4 [pid 8454] ioctl(4, LOOP_CLR_FD [pid 8450] <... close resumed>) = 0 [pid 8454] <... ioctl resumed>) = 0 [pid 8450] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8454] close(4 [pid 8450] <... futex resumed>) = 1 [pid 8447] <... futex resumed>) = 0 [pid 8454] <... close resumed>) = 0 [pid 8450] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8454] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8447] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... futex resumed>) = 1 [pid 8454] <... futex resumed>) = 1 [pid 8451] <... futex resumed>) = 0 [pid 8450] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8449] <... futex resumed>) = 0 [pid 8447] <... futex resumed>) = 0 [pid 8456] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8454] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8451] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8449] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8451] <... futex resumed>) = 0 [pid 8456] creat("./bus", 040) = 5 [pid 8454] <... open resumed>) = 4 [pid 8451] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8450] <... open resumed>) = 4 [pid 8449] <... futex resumed>) = 0 [pid 8454] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8449] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8454] <... futex resumed>) = 0 [pid 8450] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8447] <... futex resumed>) = 0 [pid 8454] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8450] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8449] <... futex resumed>) = 0 [pid 8447] <... futex resumed>) = 0 [pid 8454] ftruncate(4, 33587195 [pid 8450] ftruncate(4, 33587195 [pid 8449] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8447] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8456] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8451] <... futex resumed>) = 0 [pid 8456] mkdirat(AT_FDCWD, "./file0", 000 [pid 8451] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] <... mkdirat resumed>) = 0 [pid 8454] <... ftruncate resumed>) = 0 [pid 8451] <... futex resumed>) = 0 [pid 8451] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8450] <... ftruncate resumed>) = 0 [pid 8454] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8447] <... futex resumed>) = 0 [pid 8447] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8454] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [ 303.726524][ T8458] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 303.733865][ T8453] REISERFS (device loop1): Using tea hash to sort names [ 303.763356][ T8458] REISERFS (device loop0): using ordered data mode [pid 8454] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8450] creat("./bus", 040 [pid 8449] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8456] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8456] <... futex resumed>) = 1 [pid 8451] <... futex resumed>) = 0 [pid 8451] exit_group(0) = ? [pid 8449] <... futex resumed>) = 0 [pid 8449] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8450] <... creat resumed>) = 5 [pid 8454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8456] +++ exited with 0 +++ [pid 8454] creat("./bus", 040 [pid 8451] +++ exited with 0 +++ [pid 8454] <... creat resumed>) = 5 [pid 8450] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8451, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [ 303.798328][ T8458] reiserfs: using flush barriers [ 303.804526][ T8453] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 303.824432][ T8455] REISERFS (device loop3): checking transaction log (loop3) [pid 8454] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8453] <... mount resumed>) = 0 [pid 8450] <... futex resumed>) = 1 [pid 8447] <... futex resumed>) = 0 [pid 5056] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8454] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 8447] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8450] mkdirat(AT_FDCWD, "./file0", 000 [pid 5056] unlink("./183/binderfs" [pid 8454] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8447] <... futex resumed>) = 0 [pid 8454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8450] <... mkdirat resumed>) = 0 [pid 5056] <... unlink resumed>) = 0 [pid 8454] mkdirat(AT_FDCWD, "./file0", 000 [pid 8450] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8449] <... futex resumed>) = 0 [pid 8447] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8454] <... mkdirat resumed>) = 0 [pid 8453] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8450] <... futex resumed>) = 0 [pid 8449] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8447] exit_group(0) = ? [pid 8454] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8453] <... openat resumed>) = 3 [pid 8454] <... futex resumed>) = 1 [pid 8449] <... futex resumed>) = 0 [pid 8450] +++ exited with 0 +++ [pid 8447] +++ exited with 0 +++ [pid 8454] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8449] exit_group(0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8447, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 8454] <... futex resumed>) = ? [pid 8453] chdir("./file0" [pid 8449] <... exit_group resumed>) = ? [pid 8453] <... chdir resumed>) = 0 [pid 5055] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8458] <... mount resumed>) = 0 [pid 8454] +++ exited with 0 +++ [pid 8453] ioctl(4, LOOP_CLR_FD [pid 8449] +++ exited with 0 +++ [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 303.836456][ T8458] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 303.858636][ T8458] REISERFS (device loop0): checking transaction log (loop0) [ 303.872260][ T8458] REISERFS (device loop0): Using tea hash to sort names [ 303.883282][ T8458] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 8458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8453] <... ioctl resumed>) = 0 [pid 8453] close(4 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8449, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- [pid 8453] <... close resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8453] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8458] <... openat resumed>) = 3 [pid 8453] <... futex resumed>) = 1 [pid 8448] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8458] chdir("./file0" [pid 8453] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8448] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... openat resumed>) = 3 [pid 8458] <... chdir resumed>) = 0 [pid 8453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8448] <... futex resumed>) = 0 [pid 5053] newfstatat(3, "", [pid 8458] ioctl(4, LOOP_CLR_FD [pid 8453] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8448] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8453] <... open resumed>) = 4 [pid 5055] newfstatat(3, "", [pid 5053] getdents64(3, [pid 8453] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8448] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8453] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8448] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8448] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8453] ftruncate(4, 33587195 [pid 8448] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] newfstatat(AT_FDCWD, "./184/binderfs", [pid 5055] getdents64(3, [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] unlink("./184/binderfs" [pid 8458] <... ioctl resumed>) = 0 [pid 8455] <... mount resumed>) = 0 [pid 8453] <... ftruncate resumed>) = 0 [pid 5055] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... unlink resumed>) = 0 [pid 8458] close(4 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8458] <... close resumed>) = 0 [pid 8455] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] newfstatat(AT_FDCWD, "./182/binderfs", [pid 8458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] <... openat resumed>) = 3 [pid 8453] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8458] <... futex resumed>) = 1 [pid 8457] <... futex resumed>) = 0 [pid 8455] chdir("./file0" [pid 8453] <... futex resumed>) = 1 [pid 8448] <... futex resumed>) = 0 [pid 5055] unlink("./182/binderfs" [pid 8457] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] <... chdir resumed>) = 0 [pid 8453] creat("./bus", 040 [pid 8448] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... unlink resumed>) = 0 [pid 8457] <... futex resumed>) = 0 [pid 8455] ioctl(4, LOOP_CLR_FD [pid 8453] <... creat resumed>) = 5 [pid 8448] <... futex resumed>) = 0 [pid 5055] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8458] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8457] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8455] <... ioctl resumed>) = 0 [pid 8448] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = 0 [pid 8458] <... open resumed>) = 4 [pid 8455] close(4) = 0 [pid 5056] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 303.884033][ T8455] REISERFS (device loop3): Using tea hash to sort names [ 303.918176][ T8455] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8455] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] <... futex resumed>) = 1 [pid 8452] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./183/file0", [pid 8455] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8452] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8452] <... futex resumed>) = 0 [pid 5056] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8455] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8453] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8458] <... futex resumed>) = 1 [pid 8457] <... futex resumed>) = 0 [pid 8453] <... futex resumed>) = 1 [pid 8448] <... futex resumed>) = 0 [pid 8458] ftruncate(4, 33587195 [pid 8457] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8453] mkdirat(AT_FDCWD, "./file0", 000 [pid 8448] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8457] <... futex resumed>) = 0 [pid 8453] <... mkdirat resumed>) = 0 [pid 8448] <... futex resumed>) = 0 [pid 8457] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8453] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8448] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8453] <... futex resumed>) = 0 [pid 8448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8453] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8448] exit_group(0 [pid 8453] <... futex resumed>) = ? [pid 8448] <... exit_group resumed>) = ? [pid 8453] +++ exited with 0 +++ [pid 8448] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8448, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5052] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8458] <... ftruncate resumed>) = 0 [pid 5056] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... openat resumed>) = 3 [pid 8458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] <... open resumed>) = 4 [pid 5056] <... openat resumed>) = 4 [pid 5052] newfstatat(3, "", [pid 8458] <... futex resumed>) = 1 [pid 8457] <... futex resumed>) = 0 [pid 8455] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(4, "", [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8458] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8457] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] <... futex resumed>) = 1 [pid 8452] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 8458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8457] <... futex resumed>) = 0 [pid 8455] ftruncate(4, 33587195 [pid 8452] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8458] creat("./bus", 040 [pid 8457] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8452] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8458] <... creat resumed>) = 5 [pid 8455] <... ftruncate resumed>) = 0 [pid 8452] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] getdents64(4, [pid 8458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8458] <... futex resumed>) = 1 [pid 8457] <... futex resumed>) = 0 [pid 8452] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(4 [pid 5052] newfstatat(AT_FDCWD, "./185/binderfs", [pid 8457] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8452] <... futex resumed>) = 0 [pid 8458] mkdirat(AT_FDCWD, "./file0", 000 [pid 8457] <... futex resumed>) = 0 [pid 8455] <... futex resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8458] <... mkdirat resumed>) = 0 [pid 8457] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8455] creat("./bus", 040 [pid 8452] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] rmdir("./183/file0" [pid 8458] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8455] <... creat resumed>) = 5 [pid 5052] unlink("./185/binderfs" [pid 8458] <... futex resumed>) = 1 [pid 8457] <... futex resumed>) = 0 [pid 5056] <... rmdir resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 8458] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8457] exit_group(0 [pid 5056] getdents64(3, [pid 5052] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8458] <... futex resumed>) = ? [pid 8457] <... exit_group resumed>) = ? [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8455] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8452] <... futex resumed>) = 0 [pid 8452] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8455] mkdirat(AT_FDCWD, "./file0", 000 [pid 8452] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8455] <... mkdirat resumed>) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./183" [pid 8455] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8452] <... futex resumed>) = 0 [pid 8452] exit_group(0) = ? [pid 8458] +++ exited with 0 +++ [pid 8457] +++ exited with 0 +++ [pid 5056] <... rmdir resumed>) = 0 [pid 8455] +++ exited with 0 +++ [pid 8452] +++ exited with 0 +++ [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8457, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8452, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- [pid 5051] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] mkdir("./184", 0777 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... mkdir resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5054] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... openat resumed>) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... umount2 resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(3, "", [pid 5054] <... openat resumed>) = 3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 8465 attached [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8465 [pid 5054] newfstatat(3, "", [pid 5053] newfstatat(AT_FDCWD, "./184/file0", [pid 5051] getdents64(3, [pid 8465] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8465] chdir("./184" [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] getdents64(3, [pid 5051] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8465] <... chdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] <... openat resumed>) = 4 [pid 5051] newfstatat(AT_FDCWD, "./188/binderfs", [pid 5054] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(4, "", [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] newfstatat(AT_FDCWD, "./182/binderfs", [pid 5051] unlink("./188/binderfs" [pid 8465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] getdents64(4, [pid 5051] <... unlink resumed>) = 0 [pid 8465] <... prctl resumed>) = 0 [pid 8465] setpgid(0, 0) = 0 [pid 8465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] unlink("./182/binderfs" [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8465] <... openat resumed>) = 3 [pid 5054] <... unlink resumed>) = 0 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5054] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] rmdir("./184/file0" [pid 8465] write(3, "1000", 4) = 4 [pid 5053] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, [pid 8465] close(3) = 0 [pid 8465] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8465] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] close(3 [pid 8465] <... futex resumed>) = 0 [pid 8465] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5053] <... close resumed>) = 0 [pid 8465] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8465] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5053] rmdir("./184" [pid 8465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] <... rmdir resumed>) = 0 [pid 8465] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] mkdir("./185", 0777 [pid 8465] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8465] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... mkdir resumed>) = 0 [pid 8465] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8465] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] newfstatat(AT_FDCWD, "./182/file0", [pid 5053] <... openat resumed>) = 3 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8465] <... clone3 resumed> => {parent_tid=[8466]}, 88) = 8466 [pid 5055] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 8466 attached [pid 8465] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] close(3 [pid 8466] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8466] <... rseq resumed>) = 0 [pid 8465] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 4 [pid 5053] <... close resumed>) = 0 [pid 8466] set_robust_list(0x7f8728ba99a0, 24 [pid 8465] <... futex resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5055] close(4) = 0 [pid 8465] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] rmdir("./182/file0"./strace-static-x86_64: Process 8467 attached [pid 8466] <... set_robust_list resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8467 [pid 8466] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3 [pid 8466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] <... close resumed>) = 0 [pid 8466] memfd_create("syzkaller", 0 [pid 5055] rmdir("./182" [pid 8467] set_robust_list(0x55555656d6a0, 24 [pid 5055] <... rmdir resumed>) = 0 [pid 8467] <... set_robust_list resumed>) = 0 [pid 8466] <... memfd_create resumed>) = 3 [pid 5055] mkdir("./183", 0777 [pid 8467] chdir("./185" [pid 8466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] <... mkdir resumed>) = 0 [pid 8467] <... chdir resumed>) = 0 [pid 8467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8467] setpgid(0, 0 [pid 8466] <... mmap resumed>) = 0x7f8720789000 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8467] <... setpgid resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8468 [pid 8467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8468 attached [pid 8467] <... openat resumed>) = 3 [pid 8468] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8467] write(3, "1000", 4 [pid 5052] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8468] chdir("./183" [pid 8467] <... write resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8468] <... chdir resumed>) = 0 [pid 8467] close(3 [pid 8468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8467] <... close resumed>) = 0 [pid 5052] newfstatat(AT_FDCWD, "./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8468] setpgid(0, 0 [pid 8467] symlink("/dev/binderfs", "./binderfs" [pid 8468] <... setpgid resumed>) = 0 [pid 5054] <... umount2 resumed>) = 0 [pid 5052] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... umount2 resumed>) = 0 [pid 8467] <... symlink resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8467] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5052] newfstatat(4, "", [pid 8468] <... openat resumed>) = 3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8468] write(3, "1000", 4 [pid 8467] <... futex resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./182/file0", [pid 5051] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8468] <... write resumed>) = 4 [pid 8467] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8468] close(3 [pid 8467] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(4, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8468] <... close resumed>) = 0 [pid 8467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] newfstatat(AT_FDCWD, "./188/file0", [pid 8468] symlink("/dev/binderfs", "./binderfs" [pid 8467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8468] <... symlink resumed>) = 0 [pid 8467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... openat resumed>) = 4 [pid 5052] close(4 [pid 8467] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] newfstatat(4, "", [pid 5052] <... close resumed>) = 0 [pid 5051] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8467] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] rmdir("./185/file0" [pid 8468] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8467] <... mprotect resumed>) = 0 [pid 8466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] getdents64(4, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8468] <... futex resumed>) = 0 [pid 8467] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] <... rmdir resumed>) = 0 [pid 8468] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5051] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8468] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8467] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] getdents64(3, [pid 5051] <... openat resumed>) = 4 [pid 8468] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] newfstatat(4, "", ./strace-static-x86_64: Process 8469 attached [pid 8468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] getdents64(4, [pid 5052] close(3 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8469] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8467] <... clone3 resumed> => {parent_tid=[8469]}, 88) = 8469 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... close resumed>) = 0 [pid 5051] getdents64(4, [pid 8469] <... rseq resumed>) = 0 [pid 8468] <... mmap resumed>) = 0x7f8728b89000 [pid 8467] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] close(4 [pid 5052] rmdir("./185" [pid 8469] set_robust_list(0x7f8728ba99a0, 24 [pid 8468] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... close resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8469] <... set_robust_list resumed>) = 0 [pid 8468] <... mprotect resumed>) = 0 [pid 8467] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] rmdir("./182/file0" [pid 5052] mkdir("./186", 0777 [pid 8469] rt_sigprocmask(SIG_SETMASK, [], [pid 8468] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8467] <... futex resumed>) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] getdents64(4, [pid 8469] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8468] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8467] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] getdents64(3, [pid 5052] <... mkdir resumed>) = 0 [pid 8469] memfd_create("syzkaller", 0 [pid 8468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8470 attached [pid 5054] close(3 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] close(4 [pid 8470] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8469] <... memfd_create resumed>) = 3 [pid 8468] <... clone3 resumed> => {parent_tid=[8470]}, 88) = 8470 [pid 5054] <... close resumed>) = 0 [pid 5052] <... openat resumed>) = 3 [pid 8470] <... rseq resumed>) = 0 [pid 8469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8468] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... close resumed>) = 0 [pid 8470] set_robust_list(0x7f8728ba99a0, 24 [pid 8469] <... mmap resumed>) = 0x7f8720789000 [pid 8468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] rmdir("./182" [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5051] rmdir("./188/file0" [pid 8470] <... set_robust_list resumed>) = 0 [pid 8468] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] close(3 [pid 8468] <... futex resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8470] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... rmdir resumed>) = 0 [pid 8470] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8468] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8470] memfd_create("syzkaller", 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5051] getdents64(3, [pid 5054] mkdir("./183", 0777 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8470] <... memfd_create resumed>) = 3 [pid 5054] <... mkdir resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8471 [pid 5051] close(3./strace-static-x86_64: Process 8471 attached [pid 8471] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8471] chdir("./186" [pid 8470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5051] <... close resumed>) = 0 [pid 8471] <... chdir resumed>) = 0 [pid 5051] rmdir("./188" [pid 8471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... rmdir resumed>) = 0 [pid 8471] <... prctl resumed>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8471] setpgid(0, 0) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5051] mkdir("./189", 0777 [pid 8471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8466] <... write resumed>) = 4194304 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5051] <... mkdir resumed>) = 0 [pid 8471] write(3, "1000", 4 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8471] <... write resumed>) = 4 [pid 5054] close(3 [pid 8471] close(3 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8471] <... close resumed>) = 0 [pid 8466] munmap(0x7f8720789000, 138412032 [pid 5054] <... close resumed>) = 0 [pid 8471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8471] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8466] <... munmap resumed>) = 0 [pid 8471] <... futex resumed>) = 0 ./strace-static-x86_64: Process 8472 attached [pid 8471] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8466] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5051] <... openat resumed>) = 3 [pid 8472] set_robust_list(0x55555656d6a0, 24 [pid 8471] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8472 [pid 8466] <... openat resumed>) = 4 [pid 8472] <... set_robust_list resumed>) = 0 [pid 8471] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8466] ioctl(4, LOOP_SET_FD, 3 [pid 8471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8472] chdir("./183" [pid 8471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8466] <... ioctl resumed>) = 0 [pid 8471] <... mmap resumed>) = 0x7f8728b89000 [pid 8472] <... chdir resumed>) = 0 [pid 8471] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8466] close(3 [pid 5051] close(3 [pid 8472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8471] <... mprotect resumed>) = 0 [pid 8466] <... close resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 8472] <... prctl resumed>) = 0 [pid 8471] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8472] setpgid(0, 0 [pid 8471] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8466] mkdir("./file0", 0777 [pid 8472] <... setpgid resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8471] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8472] write(3, "1000", 4 [pid 8471] <... clone3 resumed> => {parent_tid=[8474]}, 88) = 8474 [pid 8472] <... write resumed>) = 4 [pid 8471] rt_sigprocmask(SIG_SETMASK, [], [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8473 [pid 8472] close(3 [pid 8471] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8472] <... close resumed>) = 0 [pid 8471] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8473 attached [pid 8472] symlink("/dev/binderfs", "./binderfs" [pid 8471] <... futex resumed>) = 0 [pid 8466] <... mkdir resumed>) = 0 [pid 8473] set_robust_list(0x55555656d6a0, 24 [pid 8472] <... symlink resumed>) = 0 [pid 8471] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8466] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8473] <... set_robust_list resumed>) = 0 [pid 8472] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304./strace-static-x86_64: Process 8474 attached [pid 8473] chdir("./189" [pid 8472] <... futex resumed>) = 0 [pid 8473] <... chdir resumed>) = 0 [pid 8474] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8474] <... rseq resumed>) = 0 [pid 8472] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8473] <... prctl resumed>) = 0 [pid 8473] setpgid(0, 0 [pid 8474] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8472] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8474] memfd_create("syzkaller", 0 [pid 8472] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8474] <... memfd_create resumed>) = 3 [ 304.425963][ T8466] loop5: detected capacity change from 0 to 8192 [pid 8472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8473] <... setpgid resumed>) = 0 [pid 8474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8474] <... mmap resumed>) = 0x7f8720789000 [pid 8472] <... mmap resumed>) = 0x7f8728b89000 [pid 8472] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8473] <... openat resumed>) = 3 [pid 8472] <... mprotect resumed>) = 0 [pid 8473] write(3, "1000", 4 [pid 8472] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8472] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8473] <... write resumed>) = 4 [pid 8470] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 8476 attached [pid 8473] close(3 [pid 8476] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8473] <... close resumed>) = 0 [pid 8476] <... rseq resumed>) = 0 [ 304.476519][ T8466] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 304.515801][ T8466] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 8473] symlink("/dev/binderfs", "./binderfs" [pid 8476] set_robust_list(0x7f8728ba99a0, 24 [pid 8473] <... symlink resumed>) = 0 [pid 8476] <... set_robust_list resumed>) = 0 [pid 8473] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] rt_sigprocmask(SIG_SETMASK, [], [pid 8473] <... futex resumed>) = 0 [pid 8476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8473] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8476] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8473] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8473] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8472] <... clone3 resumed> => {parent_tid=[8476]}, 88) = 8476 [pid 8470] munmap(0x7f8720789000, 138412032 [pid 8472] rt_sigprocmask(SIG_SETMASK, [], [pid 8473] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8470] <... munmap resumed>) = 0 [pid 8473] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8472] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8470] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8476] <... futex resumed>) = 0 [pid 8473] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8472] <... futex resumed>) = 1 [pid 8470] <... openat resumed>) = 4 [pid 8476] memfd_create("syzkaller", 0 [pid 8474] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8472] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8470] ioctl(4, LOOP_SET_FD, 3 [pid 8476] <... memfd_create resumed>) = 3 [ 304.525574][ T8466] REISERFS (device loop5): using ordered data mode [ 304.532125][ T8466] reiserfs: using flush barriers [ 304.553739][ T8466] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8473] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8473] <... clone3 resumed> => {parent_tid=[8477]}, 88) = 8477 [pid 8476] <... mmap resumed>) = 0x7f8720789000 [pid 8473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8477 attached [pid 8477] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8470] <... ioctl resumed>) = 0 [pid 8469] <... write resumed>) = 4194304 [pid 8477] set_robust_list(0x7f8728ba99a0, 24 [pid 8470] close(3 [pid 8477] <... set_robust_list resumed>) = 0 [pid 8470] <... close resumed>) = 0 [pid 8477] rt_sigprocmask(SIG_SETMASK, [], [pid 8470] mkdir("./file0", 0777 [pid 8477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8476] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8470] <... mkdir resumed>) = 0 [pid 8469] munmap(0x7f8720789000, 138412032 [pid 8477] memfd_create("syzkaller", 0 [pid 8470] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8469] <... munmap resumed>) = 0 [pid 8469] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 304.571163][ T8470] loop4: detected capacity change from 0 to 8192 [ 304.591505][ T8466] REISERFS (device loop5): checking transaction log (loop5) [ 304.600812][ T8466] REISERFS (device loop5): Using tea hash to sort names [ 304.617200][ T8469] loop2: detected capacity change from 0 to 8192 [pid 8469] ioctl(4, LOOP_SET_FD, 3 [pid 8477] <... memfd_create resumed>) = 3 [pid 8469] <... ioctl resumed>) = 0 [pid 8477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8469] close(3) = 0 [pid 8469] mkdir("./file0", 0777) = 0 [pid 8477] <... mmap resumed>) = 0x7f8720789000 [pid 8466] <... mount resumed>) = 0 [pid 8469] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 304.624262][ T8466] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 304.634197][ T8470] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8466] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8466] chdir("./file0") = 0 [pid 8466] ioctl(4, LOOP_CLR_FD) = 0 [pid 8466] close(4) = 0 [ 304.665946][ T8469] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8465] <... futex resumed>) = 0 [pid 8465] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8466] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8465] <... futex resumed>) = 0 [pid 8466] <... open resumed>) = 4 [pid 8465] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 304.698311][ T8470] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 304.708171][ T8470] REISERFS (device loop4): using ordered data mode [ 304.715150][ T8470] reiserfs: using flush barriers [ 304.715413][ T29] kauditd_printk_skb: 15 callbacks suppressed [ 304.715427][ T29] audit: type=1800 audit(1698988449.474:1112): pid=8466 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [pid 8466] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8476] <... write resumed>) = 4194304 [pid 8477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8474] <... write resumed>) = 4194304 [pid 8465] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8465] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8476] munmap(0x7f8720789000, 138412032 [pid 8474] munmap(0x7f8720789000, 138412032 [pid 8466] <... futex resumed>) = 0 [pid 8476] <... munmap resumed>) = 0 [pid 8474] <... munmap resumed>) = 0 [pid 8466] ftruncate(4, 33587195 [pid 8476] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 304.721908][ T8470] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 304.737869][ T8469] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 304.747819][ T8470] REISERFS (device loop4): checking transaction log (loop4) [pid 8474] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8476] <... openat resumed>) = 4 [pid 8474] <... openat resumed>) = 4 [pid 8466] <... ftruncate resumed>) = 0 [pid 8476] ioctl(4, LOOP_SET_FD, 3 [pid 8474] ioctl(4, LOOP_SET_FD, 3 [pid 8466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8470] <... mount resumed>) = 0 [pid 8466] <... futex resumed>) = 1 [pid 8465] <... futex resumed>) = 0 [ 304.803524][ T8470] REISERFS (device loop4): Using tea hash to sort names [ 304.811098][ T8470] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 304.812267][ T8474] loop1: detected capacity change from 0 to 8192 [ 304.821138][ T8469] REISERFS (device loop2): using ordered data mode [ 304.827456][ T8476] loop3: detected capacity change from 0 to 8192 [ 304.833123][ T8469] reiserfs: using flush barriers [pid 8466] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8476] <... ioctl resumed>) = 0 [pid 8476] close(3) = 0 [pid 8476] mkdir("./file0", 0777) = 0 [pid 8476] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8474] <... ioctl resumed>) = 0 [pid 8465] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8466] <... futex resumed>) = 0 [pid 8465] <... futex resumed>) = 1 [pid 8466] creat("./bus", 040) = 5 [pid 8474] close(3) = 0 [pid 8474] mkdir("./file0", 0777) = 0 [pid 8474] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8466] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8465] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [ 304.835526][ T8469] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 304.862055][ T8476] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 304.876800][ T8474] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 304.890336][ T8476] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8465] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8470] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8465] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8470] <... openat resumed>) = 3 [pid 8470] chdir("./file0" [pid 8466] <... futex resumed>) = 0 [pid 8470] <... chdir resumed>) = 0 [pid 8470] ioctl(4, LOOP_CLR_FD [pid 8466] mkdirat(AT_FDCWD, "./file0", 000 [pid 8470] <... ioctl resumed>) = 0 [pid 8466] <... mkdirat resumed>) = 0 [pid 8470] close(4 [pid 8466] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8466] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8465] <... futex resumed>) = 0 [pid 8465] exit_group(0) = ? [pid 8470] <... close resumed>) = 0 [pid 8470] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8466] <... futex resumed>) = ? [pid 8470] <... futex resumed>) = 1 [pid 8470] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8466] +++ exited with 0 +++ [pid 8465] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8465, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5056] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5056] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8468] <... futex resumed>) = 0 [pid 5056] newfstatat(3, "", [pid 8468] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 304.891214][ T8469] REISERFS (device loop2): checking transaction log (loop2) [ 304.914014][ T8474] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 304.923399][ T8474] REISERFS (device loop1): using ordered data mode [ 304.933931][ T8474] reiserfs: using flush barriers [ 304.941254][ T8474] REISERFS (device loop1): using ordered data mode [ 304.941256][ T8476] REISERFS (device loop3): using ordered data mode [pid 8468] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8477] <... write resumed>) = 4194304 [pid 8470] <... futex resumed>) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8477] munmap(0x7f8720789000, 138412032) = 0 [pid 8470] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] getdents64(3, [pid 8477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8477] ioctl(4, LOOP_SET_FD, 3 [pid 8470] <... open resumed>) = 4 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [ 304.941271][ T8476] reiserfs: using flush barriers [ 304.956666][ T8476] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 304.961671][ T8469] REISERFS (device loop2): Using tea hash to sort names [ 304.981024][ T8476] REISERFS (device loop3): checking transaction log (loop3) [ 304.989388][ T8474] REISERFS (device loop1): checking transaction log (loop1) [ 304.992922][ T8477] loop0: detected capacity change from 0 to 8192 [pid 8468] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8468] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 8468] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8468] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8468] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0}./strace-static-x86_64: Process 8482 attached => {parent_tid=[8482]}, 88) = 8482 [pid 8482] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8468] rt_sigprocmask(SIG_SETMASK, [], [pid 8482] <... rseq resumed>) = 0 [pid 8482] set_robust_list(0x7f8728b889a0, 24 [pid 8468] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8482] <... set_robust_list resumed>) = 0 [pid 8468] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8482] rt_sigprocmask(SIG_SETMASK, [], [pid 8468] <... futex resumed>) = 0 [pid 8482] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8468] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8482] ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor) [pid 8477] <... ioctl resumed>) = 0 [pid 8482] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8477] close(3 [pid 8482] <... futex resumed>) = 1 [pid 8468] <... futex resumed>) = 0 [pid 8482] creat("./bus", 040 [pid 8468] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8482] <... creat resumed>) = 5 [pid 8468] <... futex resumed>) = 0 [pid 8482] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8468] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8482] <... futex resumed>) = 0 [pid 8468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8482] mkdirat(AT_FDCWD, "./file0", 000 [pid 8468] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8482] <... mkdirat resumed>) = 0 [pid 8468] <... futex resumed>) = 0 [pid 8468] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8482] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8477] <... close resumed>) = 0 [pid 8482] <... futex resumed>) = 1 [pid 8477] mkdir("./file0", 0777 [pid 8468] <... futex resumed>) = 0 [pid 8477] <... mkdir resumed>) = 0 [pid 8482] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8477] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5056] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8470] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./184/binderfs", [pid 8470] <... futex resumed>) = 0 [pid 8468] exit_group(0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8470] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8468] <... exit_group resumed>) = ? [pid 8482] <... futex resumed>) = ? [pid 8470] <... futex resumed>) = ? [pid 8469] <... mount resumed>) = 0 [pid 5056] unlink("./184/binderfs" [pid 8482] +++ exited with 0 +++ [pid 8470] +++ exited with 0 +++ [pid 8469] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8468] +++ exited with 0 +++ [pid 5056] <... unlink resumed>) = 0 [pid 8469] <... openat resumed>) = 3 [pid 5056] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8469] chdir("./file0" [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8468, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- [pid 8469] <... chdir resumed>) = 0 [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 8469] ioctl(4, LOOP_CLR_FD [pid 5055] <... restart_syscall resumed>) = 0 [ 304.999997][ T29] audit: type=1800 audit(1698988449.754:1113): pid=8470 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 305.029737][ T8469] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 305.031134][ T8477] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8469] <... ioctl resumed>) = 0 [ 305.052215][ T8477] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 305.062769][ T8477] REISERFS (device loop0): using ordered data mode [ 305.066982][ T8476] REISERFS (device loop3): Using tea hash to sort names [ 305.069410][ T8477] reiserfs: using flush barriers [ 305.077647][ T8474] REISERFS (device loop1): Using tea hash to sort names [pid 8469] close(4) = 0 [pid 5055] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8469] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8469] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8467] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8467] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./183/binderfs", [pid 8469] <... futex resumed>) = 0 [pid 8467] <... futex resumed>) = 1 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8469] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8467] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] unlink("./183/binderfs" [pid 8469] <... open resumed>) = 4 [pid 5055] <... unlink resumed>) = 0 [pid 8469] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8474] <... mount resumed>) = 0 [pid 8469] ftruncate(4, 33587195 [pid 8467] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 305.093386][ T8477] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 305.102244][ T8476] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 305.119749][ T8474] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5055] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8469] <... ftruncate resumed>) = 0 [pid 8467] <... futex resumed>) = 0 [pid 8467] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8474] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8469] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8467] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8467] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8469] creat("./bus", 040) = 5 [pid 8476] <... mount resumed>) = 0 [pid 8474] <... openat resumed>) = 3 [pid 8474] chdir("./file0" [pid 8476] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8469] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8467] <... futex resumed>) = 0 [pid 8476] chdir("./file0") = 0 [pid 8474] <... chdir resumed>) = 0 [pid 8469] mkdirat(AT_FDCWD, "./file0", 000 [pid 8467] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] ioctl(4, LOOP_CLR_FD [pid 8474] ioctl(4, LOOP_CLR_FD [pid 8469] <... mkdirat resumed>) = 0 [pid 8467] <... futex resumed>) = 0 [pid 8469] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8467] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8476] <... ioctl resumed>) = 0 [pid 8474] <... ioctl resumed>) = 0 [pid 8469] <... futex resumed>) = 0 [pid 8467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 305.139479][ T29] audit: type=1800 audit(1698988449.894:1114): pid=8469 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 8476] close(4 [pid 8474] close(4 [pid 8469] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8476] <... close resumed>) = 0 [pid 8474] <... close resumed>) = 0 [pid 8467] exit_group(0 [pid 5056] <... umount2 resumed>) = 0 [pid 8476] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8474] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8476] <... futex resumed>) = 1 [pid 8474] <... futex resumed>) = 1 [pid 8472] <... futex resumed>) = 0 [pid 8467] <... exit_group resumed>) = ? [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8476] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8474] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] newfstatat(AT_FDCWD, "./184/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8472] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] <... futex resumed>) = 0 [pid 8469] <... futex resumed>) = ? [pid 5056] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8476] <... futex resumed>) = 0 [pid 8472] <... futex resumed>) = 1 [pid 8471] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] newfstatat(4, "", [pid 8476] <... open resumed>) = 4 [pid 8474] <... futex resumed>) = 0 [pid 8472] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8471] <... futex resumed>) = 1 [pid 8469] +++ exited with 0 +++ [pid 8467] +++ exited with 0 +++ [pid 8474] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8471] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8474] <... open resumed>) = 4 [pid 8476] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8474] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] <... futex resumed>) = 1 [pid 8476] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8467, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 8474] <... futex resumed>) = 1 [pid 5053] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8474] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8472] <... futex resumed>) = 0 [pid 8471] <... futex resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8472] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8471] <... futex resumed>) = 0 [pid 8476] <... futex resumed>) = 0 [pid 8474] ftruncate(4, 33587195 [pid 8472] <... futex resumed>) = 1 [pid 8471] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 305.199675][ T8477] REISERFS (device loop0): checking transaction log (loop0) [ 305.218004][ T29] audit: type=1800 audit(1698988449.974:1115): pid=8476 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [ 305.238266][ T8477] REISERFS (device loop0): Using tea hash to sort names [pid 8476] ftruncate(4, 33587195 [pid 8472] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5053] <... openat resumed>) = 3 [pid 8476] <... ftruncate resumed>) = 0 [pid 8474] <... ftruncate resumed>) = 0 [pid 5053] newfstatat(3, "", [pid 8476] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8476] <... futex resumed>) = 0 [pid 5053] getdents64(3, [pid 8476] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5053] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8477] <... mount resumed>) = 0 [pid 8474] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] newfstatat(AT_FDCWD, "./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./185/binderfs") = 0 [pid 5053] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5056] rmdir("./184/file0") = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] close(3) = 0 [pid 5056] rmdir("./184") = 0 [pid 5056] mkdir("./185", 0777 [pid 8474] <... futex resumed>) = 1 [pid 8472] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] <... futex resumed>) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 8476] <... futex resumed>) = 0 [pid 8474] creat("./bus", 040 [pid 8472] <... futex resumed>) = 1 [pid 8471] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8476] creat("./bus", 040 [pid 8471] <... futex resumed>) = 0 [pid 8477] <... openat resumed>) = 3 [pid 8472] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8476] <... creat resumed>) = 5 [pid 8474] <... creat resumed>) = 5 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8477] chdir("./file0" [pid 8476] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... openat resumed>) = 3 [pid 8477] <... chdir resumed>) = 0 [pid 8476] <... futex resumed>) = 1 [pid 8474] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... futex resumed>) = 0 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 8477] ioctl(4, LOOP_CLR_FD [pid 8476] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8474] <... futex resumed>) = 0 [pid 8472] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8477] <... ioctl resumed>) = 0 [pid 8476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8474] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8472] <... futex resumed>) = 0 [pid 8471] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(3 [pid 8477] close(4 [pid 8476] mkdirat(AT_FDCWD, "./file0", 000 [pid 8474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8472] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8471] <... futex resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 8477] <... close resumed>) = 0 [pid 8476] <... mkdirat resumed>) = 0 [pid 8474] mkdirat(AT_FDCWD, "./file0", 000 [pid 8471] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 8484 attached [pid 8477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8476] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8474] <... mkdirat resumed>) = 0 [pid 5055] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8484] set_robust_list(0x55555656d6a0, 24 [pid 8477] <... futex resumed>) = 1 [pid 8476] <... futex resumed>) = 1 [pid 8473] <... futex resumed>) = 0 [pid 8474] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8472] <... futex resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8484 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8484] <... set_robust_list resumed>) = 0 [pid 8477] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8476] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8474] <... futex resumed>) = 1 [pid 8472] exit_group(0 [pid 8471] <... futex resumed>) = 0 [pid 5055] newfstatat(AT_FDCWD, "./183/file0", [ 305.251498][ T8477] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 305.262621][ T29] audit: type=1800 audit(1698988449.994:1116): pid=8474 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [pid 8484] chdir("./185" [pid 8477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8476] <... futex resumed>) = ? [pid 8473] <... futex resumed>) = 0 [pid 8474] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8472] <... exit_group resumed>) = ? [pid 8471] exit_group(0 [pid 8477] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8476] +++ exited with 0 +++ [pid 8473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8472] +++ exited with 0 +++ [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8472, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8477] <... open resumed>) = 4 [pid 8474] <... futex resumed>) = ? [pid 8471] <... exit_group resumed>) = ? [pid 8477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5054] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5054] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./183/binderfs") = 0 [pid 5054] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8477] <... futex resumed>) = 1 [pid 8473] <... futex resumed>) = 0 [pid 8473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8474] +++ exited with 0 +++ [pid 8471] +++ exited with 0 +++ [pid 8477] ftruncate(4, 33587195 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8471, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8484] <... chdir resumed>) = 0 [pid 8477] <... ftruncate resumed>) = 0 [pid 5055] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... openat resumed>) = 3 [ 305.337607][ T29] audit: type=1800 audit(1698988450.094:1117): pid=8477 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 5052] newfstatat(3, "", [pid 8484] <... prctl resumed>) = 0 [pid 8477] <... futex resumed>) = 1 [pid 8473] <... futex resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8477] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 4 [pid 8484] setpgid(0, 0 [pid 5052] getdents64(3, [pid 8484] <... setpgid resumed>) = 0 [pid 8477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8473] <... futex resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8477] creat("./bus", 040 [pid 8484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./186/binderfs") = 0 [pid 5052] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8477] <... creat resumed>) = 5 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8484] <... openat resumed>) = 3 [pid 8477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 8484] write(3, "1000", 4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8484] <... write resumed>) = 4 [pid 8477] <... futex resumed>) = 1 [pid 8473] <... futex resumed>) = 0 [pid 5055] getdents64(4, [pid 8484] close(3 [pid 8477] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8473] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8484] <... close resumed>) = 0 [pid 8477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8473] <... futex resumed>) = 0 [pid 5055] close(4 [pid 8484] symlink("/dev/binderfs", "./binderfs" [pid 8477] mkdirat(AT_FDCWD, "./file0", 000 [pid 8473] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8477] <... mkdirat resumed>) = 0 [pid 5055] rmdir("./183/file0" [pid 8477] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8484] <... symlink resumed>) = 0 [pid 8477] <... futex resumed>) = 1 [pid 8473] <... futex resumed>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 8484] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8477] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8473] exit_group(0 [pid 5055] getdents64(3, [pid 5054] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8477] <... futex resumed>) = ? [pid 8473] <... exit_group resumed>) = ? [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8477] +++ exited with 0 +++ [pid 8473] +++ exited with 0 +++ [pid 5055] close(3 [pid 5054] newfstatat(AT_FDCWD, "./183/file0", [pid 5055] <... close resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] rmdir("./183" [pid 5054] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8473, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5052] <... umount2 resumed>) = 0 [pid 5051] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5055] <... rmdir resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] newfstatat(3, "", [pid 8484] <... futex resumed>) = 0 [pid 5055] mkdir("./184", 0777 [pid 5054] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8484] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5055] <... mkdir resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] getdents64(3, [pid 8484] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] newfstatat(4, "", [pid 5052] newfstatat(AT_FDCWD, "./186/file0", [pid 8484] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5055] <... openat resumed>) = 3 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5054] getdents64(4, [pid 5052] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] getdents64(4, [pid 5052] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5055] close(3 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... openat resumed>) = 4 [pid 5051] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] newfstatat(AT_FDCWD, "./189/binderfs", [pid 8484] <... mmap resumed>) = 0x7f8728b89000 [pid 5055] <... close resumed>) = 0 [pid 5054] close(4 [pid 5052] newfstatat(4, "", [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8484] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] <... close resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] unlink("./189/binderfs" [pid 8484] <... mprotect resumed>) = 0 [pid 5054] rmdir("./183/file0" [pid 5052] getdents64(4, [pid 5051] <... unlink resumed>) = 0 [pid 5051] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8485 attached [pid 8484] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] <... rmdir resumed>) = 0 [pid 5053] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8485] set_robust_list(0x55555656d6a0, 24 [pid 8484] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8485 [pid 5054] getdents64(3, [pid 5052] getdents64(4, [pid 8484] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 8486 attached [pid 8485] <... set_robust_list resumed>) = 0 [pid 5054] close(3 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] close(4 [pid 8486] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8485] chdir("./184" [pid 8484] <... clone3 resumed> => {parent_tid=[8486]}, 88) = 8486 [pid 5054] <... close resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./185/file0", [pid 5052] <... close resumed>) = 0 [pid 8486] <... rseq resumed>) = 0 [pid 8485] <... chdir resumed>) = 0 [pid 8484] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] rmdir("./183" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] rmdir("./186/file0" [pid 8486] set_robust_list(0x7f8728ba99a0, 24 [pid 8485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8486] <... set_robust_list resumed>) = 0 [pid 8485] <... prctl resumed>) = 0 [pid 8484] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... rmdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... rmdir resumed>) = 0 [pid 8486] rt_sigprocmask(SIG_SETMASK, [], [pid 8485] setpgid(0, 0 [pid 8484] <... futex resumed>) = 0 [pid 5053] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] getdents64(3, [pid 8486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8485] <... setpgid resumed>) = 0 [pid 8484] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] mkdir("./184", 0777 [pid 5053] <... openat resumed>) = 4 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8486] memfd_create("syzkaller", 0 [pid 8485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... mkdir resumed>) = 0 [pid 5053] newfstatat(4, "", [pid 8486] <... memfd_create resumed>) = 3 [pid 8485] <... openat resumed>) = 3 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] close(3 [pid 8486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8485] write(3, "1000", 4 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5053] getdents64(4, [pid 8486] <... mmap resumed>) = 0x7f8720789000 [pid 5052] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] getdents64(4, [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8485] <... write resumed>) = 4 [pid 5054] <... openat resumed>) = 3 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] rmdir("./186" [pid 5051] newfstatat(AT_FDCWD, "./189/file0", [pid 8485] close(3) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] close(4 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8485] symlink("/dev/binderfs", "./binderfs" [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... close resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] rmdir("./185/file0" [pid 5051] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8485] <... symlink resumed>) = 0 [pid 5054] close(3 [pid 5052] mkdir("./187", 0777 [pid 5053] <... rmdir resumed>) = 0 [pid 5052] <... mkdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5051] <... openat resumed>) = 4 [pid 8485] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 8487 attached [pid 8485] <... futex resumed>) = 0 [pid 5053] getdents64(3, [pid 5052] <... openat resumed>) = 3 [pid 5051] newfstatat(4, "", [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] close(3 [pid 5051] getdents64(4, [pid 5053] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] rmdir("./185" [pid 5051] getdents64(4, [pid 5053] <... rmdir resumed>) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5053] mkdir("./186", 0777 [pid 5051] rmdir("./189/file0" [pid 5053] <... mkdir resumed>) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5051] getdents64(3, [pid 5053] <... openat resumed>) = 3 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 5051] close(3 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... close resumed>) = 0 [pid 5053] close(3 [pid 5051] rmdir("./189" [pid 8485] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8487 [pid 5053] <... close resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5051] <... rmdir resumed>) = 0 [pid 8487] set_robust_list(0x55555656d6a0, 24 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] mkdir("./190", 0777 [pid 8487] <... set_robust_list resumed>) = 0 [pid 8485] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... mkdir resumed>) = 0 [pid 8485] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8487] chdir("./184" [pid 8485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5052] close(3./strace-static-x86_64: Process 8488 attached [pid 8485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8488 [pid 8487] <... chdir resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 8488] set_robust_list(0x55555656d6a0, 24 [pid 8485] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8488] <... set_robust_list resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 8488] chdir("./186" [pid 5051] ioctl(3, LOOP_CLR_FD [pid 8488] <... chdir resumed>) = 0 [pid 5051] <... ioctl resumed>) = 0 [pid 8488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8487] <... prctl resumed>) = 0 [pid 8488] <... prctl resumed>) = 0 [pid 8485] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8488] setpgid(0, 0 [pid 8487] setpgid(0, 0 [pid 8485] <... mprotect resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8489 [pid 8488] <... setpgid resumed>) = 0 [pid 8488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8487] <... setpgid resumed>) = 0 [pid 8485] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5051] close(3 [pid 8488] <... openat resumed>) = 3 [pid 8485] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8488] write(3, "1000", 4 [pid 8487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8485] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... close resumed>) = 0 [pid 8488] <... write resumed>) = 4 [pid 8487] <... openat resumed>) = 3 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8491 attached ./strace-static-x86_64: Process 8490 attached ./strace-static-x86_64: Process 8489 attached [pid 8488] close(3 [pid 8487] write(3, "1000", 4 [pid 8491] set_robust_list(0x55555656d6a0, 24 [pid 8490] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8489] set_robust_list(0x55555656d6a0, 24 [pid 8486] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8489] <... set_robust_list resumed>) = 0 [pid 8487] <... write resumed>) = 4 [pid 8485] <... clone3 resumed> => {parent_tid=[8490]}, 88) = 8490 [pid 8489] chdir("./187" [pid 8487] close(3 [pid 8485] rt_sigprocmask(SIG_SETMASK, [], [pid 8488] <... close resumed>) = 0 [pid 8488] symlink("/dev/binderfs", "./binderfs" [pid 8491] <... set_robust_list resumed>) = 0 [pid 8490] <... rseq resumed>) = 0 [pid 8488] <... symlink resumed>) = 0 [pid 8487] <... close resumed>) = 0 [pid 8485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8487] symlink("/dev/binderfs", "./binderfs" [pid 8491] chdir("./190" [pid 8490] set_robust_list(0x7f8728ba99a0, 24 [pid 8488] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... symlink resumed>) = 0 [pid 8485] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8491 [pid 8485] <... futex resumed>) = 0 [pid 8487] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8485] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8487] <... futex resumed>) = 0 [pid 8491] <... chdir resumed>) = 0 [pid 8490] <... set_robust_list resumed>) = 0 [pid 8488] <... futex resumed>) = 0 [pid 8487] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8490] rt_sigprocmask(SIG_SETMASK, [], [pid 8488] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8487] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8491] <... prctl resumed>) = 0 [pid 8490] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8488] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8487] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8491] setpgid(0, 0 [pid 8490] memfd_create("syzkaller", 0 [pid 8488] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8491] <... setpgid resumed>) = 0 [pid 8490] <... memfd_create resumed>) = 3 [pid 8491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8491] <... openat resumed>) = 3 [pid 8490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8489] <... chdir resumed>) = 0 [pid 8488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8491] write(3, "1000", 4 [pid 8490] <... mmap resumed>) = 0x7f8720789000 [pid 8489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8488] <... mmap resumed>) = 0x7f8728b89000 [pid 8487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8491] <... write resumed>) = 4 [pid 8489] <... prctl resumed>) = 0 [pid 8488] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8487] <... mmap resumed>) = 0x7f8728b89000 [pid 8489] setpgid(0, 0 [pid 8491] close(3 [pid 8488] <... mprotect resumed>) = 0 [pid 8491] <... close resumed>) = 0 [pid 8489] <... setpgid resumed>) = 0 [pid 8488] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8487] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8491] symlink("/dev/binderfs", "./binderfs" [pid 8488] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8487] <... mprotect resumed>) = 0 [pid 8491] <... symlink resumed>) = 0 [pid 8489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8488] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8491] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8489] <... openat resumed>) = 3 [pid 8487] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 8492 attached [pid 8491] <... futex resumed>) = 0 [pid 8489] write(3, "1000", 4 [pid 8488] <... clone3 resumed> => {parent_tid=[8492]}, 88) = 8492 [pid 8491] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8488] rt_sigprocmask(SIG_SETMASK, [], [pid 8489] <... write resumed>) = 4 [pid 8492] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8491] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8489] close(3 [pid 8488] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8487] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8492] set_robust_list(0x7f8728ba99a0, 24 [pid 8491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8489] <... close resumed>) = 0 [pid 8488] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8492] <... set_robust_list resumed>) = 0 [pid 8491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8488] <... futex resumed>) = 0 [pid 8489] symlink("/dev/binderfs", "./binderfs" [pid 8492] rt_sigprocmask(SIG_SETMASK, [], [pid 8491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8488] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8491] <... mmap resumed>) = 0x7f8728b89000 [pid 8492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8491] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8489] <... symlink resumed>) = 0 [pid 8491] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 8493 attached [pid 8492] memfd_create("syzkaller", 0 [pid 8491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8489] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] <... clone3 resumed> => {parent_tid=[8493]}, 88) = 8493 [pid 8493] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8492] <... memfd_create resumed>) = 3 [pid 8492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8493] <... rseq resumed>) = 0 [pid 8487] rt_sigprocmask(SIG_SETMASK, [], [pid 8492] <... mmap resumed>) = 0x7f8720789000 [pid 8493] set_robust_list(0x7f8728ba99a0, 24 [pid 8489] <... futex resumed>) = 0 [pid 8487] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8493] <... set_robust_list resumed>) = 0 [pid 8491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8489] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8487] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8487] <... futex resumed>) = 0 [pid 8493] rt_sigprocmask(SIG_SETMASK, [], [pid 8489] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8487] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8493] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8493] memfd_create("syzkaller", 0 [pid 8489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8491] <... clone3 resumed> => {parent_tid=[8494]}, 88) = 8494 [pid 8489] <... mmap resumed>) = 0x7f8728b89000 [pid 8489] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8491] rt_sigprocmask(SIG_SETMASK, [], [pid 8489] <... mprotect resumed>) = 0 [pid 8491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8493] <... memfd_create resumed>) = 3 [pid 8491] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8491] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 ./strace-static-x86_64: Process 8494 attached [pid 8494] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8494] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8494] memfd_create("syzkaller", 0 [pid 8490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8494] <... memfd_create resumed>) = 3 [pid 8494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8489] <... clone3 resumed> => {parent_tid=[8495]}, 88) = 8495 [pid 8489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 8495 attached [pid 8489] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8489] <... futex resumed>) = 0 [pid 8489] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8495] <... rseq resumed>) = 0 [pid 8495] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8495] memfd_create("syzkaller", 0) = 3 [pid 8495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8486] <... write resumed>) = 4194304 [pid 8492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8486] munmap(0x7f8720789000, 138412032 [pid 8494] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8486] <... munmap resumed>) = 0 [pid 8486] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 8486] ioctl(4, LOOP_SET_FD, 3 [pid 8495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8486] <... ioctl resumed>) = 0 [pid 8486] close(3) = 0 [ 305.847527][ T8486] loop5: detected capacity change from 0 to 8192 [pid 8486] mkdir("./file0", 0777 [pid 8490] <... write resumed>) = 4194304 [pid 8486] <... mkdir resumed>) = 0 [pid 8486] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8490] munmap(0x7f8720789000, 138412032) = 0 [pid 8490] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 305.915129][ T8486] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 305.938498][ T8490] loop4: detected capacity change from 0 to 8192 [ 305.953747][ T8486] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [pid 8490] ioctl(4, LOOP_SET_FD, 3 [pid 8492] <... write resumed>) = 4194304 [pid 8490] <... ioctl resumed>) = 0 [pid 8490] close(3) = 0 [pid 8490] mkdir("./file0", 0777 [pid 8492] munmap(0x7f8720789000, 138412032 [pid 8490] <... mkdir resumed>) = 0 [pid 8494] <... write resumed>) = 4194304 [pid 8490] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8492] <... munmap resumed>) = 0 [pid 8492] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8494] munmap(0x7f8720789000, 138412032 [pid 8492] <... openat resumed>) = 4 [ 305.963241][ T8486] REISERFS (device loop5): using ordered data mode [pid 8492] ioctl(4, LOOP_SET_FD, 3 [pid 8495] <... write resumed>) = 4194304 [pid 8494] <... munmap resumed>) = 0 [pid 8493] <... write resumed>) = 4194304 [pid 8493] munmap(0x7f8720789000, 138412032) = 0 [pid 8495] munmap(0x7f8720789000, 138412032 [pid 8494] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 305.986667][ T8490] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 305.988813][ T8486] reiserfs: using flush barriers [ 305.999807][ T8490] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 306.013810][ T8486] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 306.014410][ T8492] loop2: detected capacity change from 0 to 8192 [pid 8493] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8495] <... munmap resumed>) = 0 [pid 8494] <... openat resumed>) = 4 [pid 8493] <... openat resumed>) = 4 [pid 8493] ioctl(4, LOOP_SET_FD, 3 [pid 8494] ioctl(4, LOOP_SET_FD, 3 [pid 8495] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8495] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8492] <... ioctl resumed>) = 0 [pid 8494] <... ioctl resumed>) = 0 [pid 8494] close(3) = 0 [pid 8494] mkdir("./file0", 0777 [pid 8495] close(3 [pid 8494] <... mkdir resumed>) = 0 [pid 8492] close(3 [pid 8495] <... close resumed>) = 0 [pid 8492] <... close resumed>) = 0 [pid 8494] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8492] mkdir("./file0", 0777 [pid 8495] mkdir("./file0", 0777 [pid 8492] <... mkdir resumed>) = 0 [ 306.038775][ T8486] REISERFS (device loop5): checking transaction log (loop5) [ 306.041667][ T8493] loop3: detected capacity change from 0 to 8192 [ 306.046995][ T8490] REISERFS (device loop4): using ordered data mode [ 306.057913][ T8495] loop1: detected capacity change from 0 to 8192 [ 306.059542][ T8494] loop0: detected capacity change from 0 to 8192 [ 306.065932][ T8490] reiserfs: using flush barriers [ 306.080268][ T8486] REISERFS (device loop5): Using tea hash to sort names [ 306.091504][ T8490] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 306.093460][ T8494] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 306.109123][ T8486] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8492] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8495] <... mkdir resumed>) = 0 [pid 8495] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8486] <... mount resumed>) = 0 [pid 8486] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8493] <... ioctl resumed>) = 0 [pid 8493] close(3 [pid 8486] <... openat resumed>) = 3 [pid 8493] <... close resumed>) = 0 [pid 8486] chdir("./file0" [pid 8493] mkdir("./file0", 0777 [pid 8486] <... chdir resumed>) = 0 [pid 8486] ioctl(4, LOOP_CLR_FD) = 0 [pid 8486] close(4) = 0 [pid 8486] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... mkdir resumed>) = 0 [pid 8486] <... futex resumed>) = 1 [pid 8493] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [ 306.121235][ T8492] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 306.130824][ T8490] REISERFS (device loop4): checking transaction log (loop4) [ 306.156554][ T8494] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 306.166707][ T8495] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 306.178505][ T8494] REISERFS (device loop0): using ordered data mode [pid 8486] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8484] <... futex resumed>) = 0 [pid 8484] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8486] <... futex resumed>) = 0 [pid 8484] <... futex resumed>) = 1 [pid 8486] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8484] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8486] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8484] <... futex resumed>) = 0 [pid 8486] ftruncate(4, 33587195 [pid 8484] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8486] <... ftruncate resumed>) = 0 [pid 8484] <... futex resumed>) = 0 [pid 8486] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8484] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8486] <... futex resumed>) = 0 [pid 8484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8486] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8484] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8484] <... futex resumed>) = 0 [pid 8486] creat("./bus", 040 [pid 8484] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8486] <... creat resumed>) = 5 [pid 8486] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8484] <... futex resumed>) = 0 [pid 8486] mkdirat(AT_FDCWD, "./file0", 000 [pid 8484] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8484] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8486] <... mkdirat resumed>) = 0 [pid 8486] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8484] <... futex resumed>) = 0 [pid 8484] exit_group(0) = ? [ 306.179827][ T8490] REISERFS (device loop4): Using tea hash to sort names [ 306.186488][ T8494] reiserfs: using flush barriers [ 306.194010][ T29] audit: type=1800 audit(1698988450.914:1118): pid=8486 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 306.219512][ T8494] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8486] +++ exited with 0 +++ [pid 8484] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8484, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- [pid 8490] <... mount resumed>) = 0 [ 306.220583][ T8493] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 306.236384][ T8494] REISERFS (device loop0): checking transaction log (loop0) [ 306.249260][ T8490] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 306.256439][ T8492] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 306.277571][ T8493] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8490] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5056] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8490] <... openat resumed>) = 3 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./185/binderfs", [pid 8490] chdir("./file0" [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./185/binderfs") = 0 [pid 8490] <... chdir resumed>) = 0 [pid 5056] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8490] ioctl(4, LOOP_CLR_FD) = 0 [pid 8490] close(4) = 0 [pid 8490] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8490] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8485] <... futex resumed>) = 0 [pid 8485] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8490] <... futex resumed>) = 0 [pid 8490] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8490] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 306.277875][ T8495] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 306.287523][ T8493] REISERFS (device loop3): using ordered data mode [ 306.306228][ T8493] reiserfs: using flush barriers [ 306.308062][ T8492] REISERFS (device loop2): using ordered data mode [ 306.312444][ T8494] REISERFS (device loop0): Using tea hash to sort names [pid 8490] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8485] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8485] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8490] <... futex resumed>) = 0 [pid 8485] <... futex resumed>) = 1 [pid 8490] ftruncate(4, 33587195 [pid 8485] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8490] <... ftruncate resumed>) = 0 [pid 8490] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8485] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = 0 [pid 8490] creat("./bus", 040 [pid 8485] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [ 306.340679][ T29] audit: type=1800 audit(1698988451.094:1119): pid=8490 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [ 306.364074][ T8495] REISERFS (device loop1): using ordered data mode [ 306.364953][ T8492] reiserfs: using flush barriers [ 306.372528][ T8495] reiserfs: using flush barriers [ 306.379137][ T8494] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5056] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8485] <... futex resumed>) = 0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8494] <... mount resumed>) = 0 [pid 8485] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] newfstatat(AT_FDCWD, "./185/file0", [pid 8494] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8494] chdir("./file0") = 0 [pid 8494] ioctl(4, LOOP_CLR_FD) = 0 [pid 8494] close(4) = 0 [pid 8494] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8494] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8491] <... futex resumed>) = 0 [pid 8490] <... creat resumed>) = 5 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8491] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8490] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 306.410539][ T8492] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 306.423884][ T8495] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 306.443390][ T8493] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8490] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8491] <... futex resumed>) = 1 [pid 8485] <... futex resumed>) = 0 [pid 5056] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8491] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8485] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8485] <... futex resumed>) = 1 [pid 8485] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... openat resumed>) = 4 [pid 8490] <... futex resumed>) = 0 [pid 8490] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 5056] newfstatat(4, "", [pid 8490] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8494] <... futex resumed>) = 0 [pid 8490] <... futex resumed>) = 1 [pid 8494] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8490] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8485] <... futex resumed>) = 0 [pid 5056] getdents64(4, [pid 8485] exit_group(0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8494] <... open resumed>) = 4 [pid 8490] <... futex resumed>) = ? [pid 8485] <... exit_group resumed>) = ? [pid 5056] getdents64(4, [pid 8490] +++ exited with 0 +++ [pid 8485] +++ exited with 0 +++ [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5056] close(4) = 0 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8485, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5055] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] rmdir("./185/file0" [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 306.460028][ T8495] REISERFS (device loop1): checking transaction log (loop1) [ 306.479352][ T8492] REISERFS (device loop2): checking transaction log (loop2) [ 306.483738][ T29] audit: type=1800 audit(1698988451.234:1120): pid=8494 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 8494] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", [pid 8494] <... futex resumed>) = 1 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8494] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./184/binderfs") = 0 [pid 8491] <... futex resumed>) = 0 [pid 5055] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8491] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 8494] <... futex resumed>) = 0 [pid 8491] <... futex resumed>) = 1 [pid 8494] ftruncate(4, 33587195 [pid 8491] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8494] <... ftruncate resumed>) = 0 [pid 5056] getdents64(3, [pid 8494] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8491] <... futex resumed>) = 0 [pid 8494] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8491] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] close(3 [pid 8494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8491] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... close resumed>) = 0 [pid 8494] creat("./bus", 040) = 5 [pid 5056] rmdir("./185" [pid 8494] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 5056] mkdir("./186", 0777) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5056] close(3 [pid 8494] <... futex resumed>) = 1 [pid 8491] <... futex resumed>) = 0 [pid 8494] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8491] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8494] <... futex resumed>) = 0 [pid 8491] <... futex resumed>) = 1 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8502 [ 306.488484][ T8493] REISERFS (device loop3): checking transaction log (loop3) [pid 8494] mkdirat(AT_FDCWD, "./file0", 000 [pid 8491] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8502 attached [pid 8502] set_robust_list(0x55555656d6a0, 24 [pid 8494] <... mkdirat resumed>) = 0 [pid 8502] <... set_robust_list resumed>) = 0 [pid 8494] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8502] chdir("./186" [pid 8495] <... mount resumed>) = 0 [pid 8494] <... futex resumed>) = 1 [pid 8491] <... futex resumed>) = 0 [ 306.551394][ T8495] REISERFS (device loop1): Using tea hash to sort names [ 306.568403][ T8495] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 306.569513][ T8492] REISERFS (device loop2): Using tea hash to sort names [ 306.584934][ T8493] REISERFS (device loop3): Using tea hash to sort names [pid 8502] <... chdir resumed>) = 0 [pid 8495] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8494] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8491] exit_group(0 [pid 8502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8494] <... futex resumed>) = ? [pid 8491] <... exit_group resumed>) = ? [pid 8502] <... prctl resumed>) = 0 [pid 8495] <... openat resumed>) = 3 [pid 8494] +++ exited with 0 +++ [pid 8491] +++ exited with 0 +++ [pid 8502] setpgid(0, 0 [pid 8495] chdir("./file0" [pid 8502] <... setpgid resumed>) = 0 [pid 8495] <... chdir resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8491, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 8495] ioctl(4, LOOP_CLR_FD [pid 8502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8495] <... ioctl resumed>) = 0 [pid 8495] close(4 [pid 8502] <... openat resumed>) = 3 [pid 8495] <... close resumed>) = 0 [pid 8502] write(3, "1000", 4 [pid 8495] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8502] <... write resumed>) = 4 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8502] close(3 [pid 8495] <... futex resumed>) = 1 [pid 8489] <... futex resumed>) = 0 [pid 5051] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8502] <... close resumed>) = 0 [pid 8495] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8489] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... openat resumed>) = 3 [pid 8502] symlink("/dev/binderfs", "./binderfs" [pid 8495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8502] <... symlink resumed>) = 0 [pid 8495] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8489] <... futex resumed>) = 0 [pid 5051] newfstatat(3, "", [pid 8502] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8495] <... open resumed>) = 4 [pid 8489] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8502] <... futex resumed>) = 0 [pid 8495] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8502] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8495] <... futex resumed>) = 1 [pid 8489] <... futex resumed>) = 0 [pid 8502] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8489] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(3, [pid 8502] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8489] <... futex resumed>) = 0 [pid 8502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8495] ftruncate(4, 33587195 [pid 8489] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8502] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 5051] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [ 306.602324][ T8493] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8502] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8502] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8495] <... ftruncate resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./190/binderfs", [pid 8493] <... mount resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8502] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8493] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5051] unlink("./190/binderfs" [pid 8493] <... openat resumed>) = 3 [pid 5051] <... unlink resumed>) = 0 [pid 8493] chdir("./file0") = 0 [pid 5051] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8493] ioctl(4, LOOP_CLR_FD [pid 8502] <... clone3 resumed> => {parent_tid=[8503]}, 88) = 8503 [pid 8495] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... ioctl resumed>) = 0 [pid 8495] <... futex resumed>) = 1 [pid 8502] rt_sigprocmask(SIG_SETMASK, [], [pid 8495] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8493] close(4 [pid 8489] <... futex resumed>) = 0 [pid 8502] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8493] <... close resumed>) = 0 [pid 8489] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8502] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8489] <... futex resumed>) = 0 [pid 8502] <... futex resumed>) = 0 [pid 8493] <... futex resumed>) = 1 [pid 8489] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8487] <... futex resumed>) = 0 [pid 8502] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8493] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8487] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8493] <... open resumed>) = 4 [pid 8487] <... futex resumed>) = 0 [pid 8487] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8503 attached [pid 8493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8493] <... futex resumed>) = 1 [pid 8487] <... futex resumed>) = 0 [pid 8503] <... rseq resumed>) = 0 [pid 8493] ftruncate(4, 33587195 [pid 8487] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] set_robust_list(0x7f8728ba99a0, 24 [pid 8487] <... futex resumed>) = 0 [pid 8503] <... set_robust_list resumed>) = 0 [pid 8495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8493] <... ftruncate resumed>) = 0 [pid 8487] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8495] creat("./bus", 040 [pid 8503] memfd_create("syzkaller", 0 [pid 8493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... memfd_create resumed>) = 3 [pid 8493] <... futex resumed>) = 1 [pid 8487] <... futex resumed>) = 0 [pid 8503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8493] creat("./bus", 040 [pid 8487] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... mmap resumed>) = 0x7f8720789000 [pid 8493] <... creat resumed>) = 5 [pid 8487] <... futex resumed>) = 0 [pid 8487] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8495] <... creat resumed>) = 5 [ 306.640296][ T29] audit: type=1800 audit(1698988451.384:1121): pid=8495 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 306.650226][ T8492] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8487] <... futex resumed>) = 0 [pid 8487] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8493] mkdirat(AT_FDCWD, "./file0", 000 [pid 8487] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8493] <... mkdirat resumed>) = 0 [pid 8493] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8487] <... futex resumed>) = 0 [pid 8487] exit_group(0) = ? [pid 8495] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8489] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8495] <... futex resumed>) = 0 [pid 8495] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8493] +++ exited with 0 +++ [pid 8489] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8487] +++ exited with 0 +++ [pid 8495] mkdirat(AT_FDCWD, "./file0", 000 [pid 8489] <... futex resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8487, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 8489] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8495] <... mkdirat resumed>) = 0 [pid 8495] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8489] <... futex resumed>) = 0 [pid 8495] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8489] exit_group(0 [pid 8495] <... futex resumed>) = ? [pid 8489] <... exit_group resumed>) = ? [pid 5054] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8495] +++ exited with 0 +++ [pid 8492] <... mount resumed>) = 0 [pid 8489] +++ exited with 0 +++ [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8489, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5054] <... openat resumed>) = 3 [pid 5052] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 8492] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5052] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 8492] chdir("./file0" [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8492] <... chdir resumed>) = 0 [pid 5052] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8492] ioctl(4, LOOP_CLR_FD [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./187/binderfs", [pid 8492] <... ioctl resumed>) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8492] close(4 [pid 5052] unlink("./187/binderfs" [pid 5054] newfstatat(3, "", [pid 8492] <... close resumed>) = 0 [pid 5052] <... unlink resumed>) = 0 [pid 8492] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8492] <... futex resumed>) = 1 [pid 8488] <... futex resumed>) = 0 [pid 8492] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8488] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] getdents64(3, [pid 8492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8488] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = 0 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8492] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8488] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./184/binderfs", [pid 8492] <... open resumed>) = 4 [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8492] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8492] <... futex resumed>) = 1 [pid 8488] <... futex resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] unlink("./184/binderfs" [pid 8492] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8488] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(AT_FDCWD, "./184/file0", [pid 5054] <... unlink resumed>) = 0 [pid 8492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8488] <... futex resumed>) = 0 [pid 8488] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8492] ftruncate(4, 33587195 [pid 5055] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5055] newfstatat(4, "", [pid 8503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8492] <... ftruncate resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 8492] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(4, [pid 8492] <... futex resumed>) = 1 [pid 8488] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8492] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8488] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] close(4 [pid 8492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8488] <... futex resumed>) = 0 [pid 8492] creat("./bus", 040 [pid 8488] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./184/file0") = 0 [pid 8492] <... creat resumed>) = 5 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] close(3 [pid 8492] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 8492] <... futex resumed>) = 1 [pid 8488] <... futex resumed>) = 0 [pid 5055] rmdir("./184" [pid 8492] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 8488] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8492] mkdirat(AT_FDCWD, "./file0", 000 [pid 8488] <... futex resumed>) = 0 [pid 8488] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8492] <... mkdirat resumed>) = 0 [pid 8492] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... rmdir resumed>) = 0 [pid 8492] <... futex resumed>) = 1 [pid 8488] <... futex resumed>) = 0 [pid 5055] mkdir("./185", 0777 [pid 8488] exit_group(0) = ? [pid 5055] <... mkdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5055] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 8492] +++ exited with 0 +++ [pid 8488] +++ exited with 0 +++ [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] <... umount2 resumed>) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8488, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- ./strace-static-x86_64: Process 8504 attached [pid 5053] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8504 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8504] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... umount2 resumed>) = 0 [pid 5053] <... openat resumed>) = 3 [pid 8504] <... set_robust_list resumed>) = 0 [pid 5054] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(3, "", [pid 8504] chdir("./185" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] getdents64(3, [pid 8504] <... chdir resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5053] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8504] setpgid(0, 0 [pid 5053] newfstatat(AT_FDCWD, "./186/binderfs", [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8504] <... setpgid resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./186/binderfs" [pid 5051] newfstatat(AT_FDCWD, "./190/file0", [pid 5053] <... unlink resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5053] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5051] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5051] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] close(4) = 0 [pid 5051] rmdir("./190/file0") = 0 [pid 8504] <... openat resumed>) = 3 [pid 8504] write(3, "1000", 4 [pid 5051] getdents64(3, [pid 8504] <... write resumed>) = 4 [pid 8504] close(3) = 0 [pid 8504] symlink("/dev/binderfs", "./binderfs" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] close(3) = 0 [pid 8504] <... symlink resumed>) = 0 [pid 5054] newfstatat(AT_FDCWD, "./184/file0", [pid 5051] rmdir("./190" [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8504] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8504] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8504] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8504] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8504] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] <... openat resumed>) = 4 [pid 5051] <... rmdir resumed>) = 0 [pid 5054] newfstatat(4, "", [pid 8504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] getdents64(4, [pid 8504] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] mkdir("./191", 0777 [pid 5054] getdents64(4, [pid 5051] <... mkdir resumed>) = 0 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4 [pid 8504] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5054] <... close resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 8504] <... mprotect resumed>) = 0 [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5054] rmdir("./184/file0" [pid 5051] <... openat resumed>) = 3 [pid 5051] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5054] <... rmdir resumed>) = 0 [pid 5051] close(3 [pid 5054] getdents64(3, [pid 5051] <... close resumed>) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8504] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8505 [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./184" [pid 8504] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 8504] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5054] mkdir("./185", 0777./strace-static-x86_64: Process 8506 attached ./strace-static-x86_64: Process 8505 attached ) = 0 [pid 5052] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8506] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8504] <... clone3 resumed> => {parent_tid=[8506]}, 88) = 8506 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./187/file0", [pid 8505] set_robust_list(0x55555656d6a0, 24 [pid 5054] <... openat resumed>) = 3 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8506] <... rseq resumed>) = 0 [pid 8505] <... set_robust_list resumed>) = 0 [pid 8504] rt_sigprocmask(SIG_SETMASK, [], [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5052] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8506] set_robust_list(0x7f8728ba99a0, 24 [pid 8505] chdir("./191" [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8506] <... set_robust_list resumed>) = 0 [pid 8504] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] close(3 [pid 5052] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8506] rt_sigprocmask(SIG_SETMASK, [], [pid 8504] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... close resumed>) = 0 [pid 8506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8505] <... chdir resumed>) = 0 [pid 8504] <... futex resumed>) = 0 [pid 8503] <... write resumed>) = 4194304 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... openat resumed>) = 4 [pid 8505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8504] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8505] <... prctl resumed>) = 0 [pid 5052] newfstatat(4, "", [pid 8505] setpgid(0, 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8505] <... setpgid resumed>) = 0 [pid 5052] getdents64(4, ./strace-static-x86_64: Process 8507 attached [pid 8506] memfd_create("syzkaller", 0 [pid 8505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8507 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8507] set_robust_list(0x55555656d6a0, 24 [pid 8506] <... memfd_create resumed>) = 3 [pid 8505] <... openat resumed>) = 3 [pid 8503] munmap(0x7f8720789000, 138412032 [pid 5052] getdents64(4, [pid 8507] <... set_robust_list resumed>) = 0 [pid 8506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8505] write(3, "1000", 4 [pid 8503] <... munmap resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8507] chdir("./185" [pid 8506] <... mmap resumed>) = 0x7f8720789000 [pid 8505] <... write resumed>) = 4 [pid 5052] close(4) = 0 [pid 8505] close(3 [pid 5052] rmdir("./187/file0" [pid 8505] <... close resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8505] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8503] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8507] <... chdir resumed>) = 0 [pid 8507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8505] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... openat resumed>) = 4 [pid 5052] getdents64(3, [pid 8507] <... prctl resumed>) = 0 [pid 8505] <... futex resumed>) = 0 [pid 8503] ioctl(4, LOOP_SET_FD, 3 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8505] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5052] close(3) = 0 [pid 5052] rmdir("./187") = 0 [pid 5052] mkdir("./188", 0777) = 0 [pid 8505] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8505] <... mmap resumed>) = 0x7f8728b89000 [pid 5052] <... openat resumed>) = 3 [pid 8505] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8505] <... mprotect resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8505] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5052] close(3) = 0 [pid 8505] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8508 attached [pid 8505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8503] <... ioctl resumed>) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8508 [pid 8508] set_robust_list(0x55555656d6a0, 24 [pid 8507] setpgid(0, 0./strace-static-x86_64: Process 8509 attached [pid 8508] <... set_robust_list resumed>) = 0 [pid 8507] <... setpgid resumed>) = 0 [pid 8505] <... clone3 resumed> => {parent_tid=[8509]}, 88) = 8509 [pid 8503] close(3 [pid 8509] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8508] chdir("./188" [pid 8507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8505] rt_sigprocmask(SIG_SETMASK, [], [pid 8507] <... openat resumed>) = 3 [pid 8505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8508] <... chdir resumed>) = 0 [pid 8507] write(3, "1000", 4 [pid 8505] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8507] <... write resumed>) = 4 [pid 8509] <... rseq resumed>) = 0 [pid 8508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8505] <... futex resumed>) = 0 [pid 8509] set_robust_list(0x7f8728ba99a0, 24 [pid 8508] <... prctl resumed>) = 0 [pid 8505] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8503] <... close resumed>) = 0 [pid 8508] setpgid(0, 0 [pid 8503] mkdir("./file0", 0777 [pid 8508] <... setpgid resumed>) = 0 [pid 8503] <... mkdir resumed>) = 0 [pid 8508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8507] close(3 [pid 8509] <... set_robust_list resumed>) = 0 [pid 8509] rt_sigprocmask(SIG_SETMASK, [], [pid 8507] <... close resumed>) = 0 [pid 8503] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8509] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8508] write(3, "1000", 4 [pid 8507] symlink("/dev/binderfs", "./binderfs" [pid 8509] memfd_create("syzkaller", 0 [pid 8508] <... write resumed>) = 4 [pid 8509] <... memfd_create resumed>) = 3 [ 307.044922][ T8503] loop5: detected capacity change from 0 to 8192 [pid 8508] close(3 [pid 8507] <... symlink resumed>) = 0 [pid 8509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8508] <... close resumed>) = 0 [pid 8507] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8507] <... futex resumed>) = 0 [pid 8508] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8507] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8509] <... mmap resumed>) = 0x7f8720789000 [pid 8508] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... umount2 resumed>) = 0 [pid 8508] <... futex resumed>) = 0 [pid 8507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5053] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8508] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8508] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8508] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8508] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8508] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8511]}, 88) = 8511 [pid 8508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8508] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8508] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8507] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] newfstatat(AT_FDCWD, "./186/file0", [pid 8507] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8507] <... mprotect resumed>) = 0 [pid 5053] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8511 attached [pid 8507] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8507] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5053] <... openat resumed>) = 4 [ 307.105406][ T8503] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 ./strace-static-x86_64: Process 8512 attached [pid 8511] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8507] <... clone3 resumed> => {parent_tid=[8512]}, 88) = 8512 [pid 5053] newfstatat(4, "", [pid 8507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8511] <... rseq resumed>) = 0 [pid 8507] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(4, [pid 8511] set_robust_list(0x7f8728ba99a0, 24 [pid 8507] <... futex resumed>) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8511] <... set_robust_list resumed>) = 0 [pid 8507] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] getdents64(4, [pid 8511] rt_sigprocmask(SIG_SETMASK, [], [pid 8512] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8512] <... rseq resumed>) = 0 [pid 8511] memfd_create("syzkaller", 0 [pid 5053] close(4 [pid 8512] set_robust_list(0x7f8728ba99a0, 24 [pid 8511] <... memfd_create resumed>) = 3 [pid 8512] <... set_robust_list resumed>) = 0 [pid 8511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] <... close resumed>) = 0 [pid 8512] rt_sigprocmask(SIG_SETMASK, [], [pid 8511] <... mmap resumed>) = 0x7f8720789000 [pid 5053] rmdir("./186/file0" [pid 8512] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8506] <... write resumed>) = 4194304 [pid 8512] memfd_create("syzkaller", 0 [pid 5053] <... rmdir resumed>) = 0 [pid 8512] <... memfd_create resumed>) = 3 [pid 8506] munmap(0x7f8720789000, 138412032 [pid 8512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] getdents64(3, [pid 8512] <... mmap resumed>) = 0x7f8720789000 [ 307.149120][ T8503] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 307.176028][ T8503] REISERFS (device loop5): using ordered data mode [ 307.182988][ T8503] reiserfs: using flush barriers [pid 8509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8506] <... munmap resumed>) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8506] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5053] close(3) = 0 [pid 8506] <... openat resumed>) = 4 [pid 5053] rmdir("./186" [pid 8506] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 5053] mkdir("./187", 0777 [pid 8506] close(3) = 0 [pid 5053] <... mkdir resumed>) = 0 [pid 8506] mkdir("./file0", 0777 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8506] <... mkdir resumed>) = 0 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8506] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8513 attached [pid 8513] set_robust_list(0x55555656d6a0, 24 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8513 [pid 8513] <... set_robust_list resumed>) = 0 [pid 8513] chdir("./187") = 0 [pid 8513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8513] setpgid(0, 0) = 0 [pid 8513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8513] write(3, "1000", 4 [pid 8511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8513] <... write resumed>) = 4 [ 307.194101][ T8503] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 307.211592][ T8503] REISERFS (device loop5): checking transaction log (loop5) [ 307.221726][ T8506] loop4: detected capacity change from 0 to 8192 [ 307.222103][ T8503] REISERFS (device loop5): Using tea hash to sort names [pid 8513] close(3) = 0 [pid 8513] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8513] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8509] <... write resumed>) = 4194304 [pid 8513] <... futex resumed>) = 0 [pid 8512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8513] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [ 307.276860][ T8506] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 307.292392][ T8503] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8513] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8509] munmap(0x7f8720789000, 138412032 [pid 8513] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8509] <... munmap resumed>) = 0 [pid 8503] <... mount resumed>) = 0 [pid 8513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8509] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8513] <... mmap resumed>) = 0x7f8728b89000 [pid 8509] ioctl(4, LOOP_SET_FD, 3 [pid 8503] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8513] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8513] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8513] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8515]}, 88) = 8515 [pid 8513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... openat resumed>) = 3 ./strace-static-x86_64: Process 8515 attached [pid 8513] <... futex resumed>) = 0 [pid 8503] chdir("./file0" [pid 8513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8515] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8515] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8515] memfd_create("syzkaller", 0 [pid 8509] <... ioctl resumed>) = 0 [pid 8515] <... memfd_create resumed>) = 3 [pid 8509] close(3 [pid 8503] <... chdir resumed>) = 0 [pid 8503] ioctl(4, LOOP_CLR_FD) = 0 [ 307.322885][ T8506] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 307.326944][ T8509] loop0: detected capacity change from 0 to 8192 [ 307.333254][ T8506] REISERFS (device loop4): using ordered data mode [ 307.346634][ T8506] reiserfs: using flush barriers [ 307.353709][ T8506] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8503] close(4 [pid 8515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8509] <... close resumed>) = 0 [pid 8503] <... close resumed>) = 0 [pid 8515] <... mmap resumed>) = 0x7f8720789000 [pid 8509] mkdir("./file0", 0777 [pid 8503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8509] <... mkdir resumed>) = 0 [pid 8503] <... futex resumed>) = 1 [pid 8502] <... futex resumed>) = 0 [pid 8509] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8502] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8502] <... futex resumed>) = 0 [pid 8502] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] <... open resumed>) = 4 [pid 8503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8502] <... futex resumed>) = 0 [ 307.372819][ T8506] REISERFS (device loop4): checking transaction log (loop4) [ 307.383040][ T8506] REISERFS (device loop4): Using tea hash to sort names [ 307.395993][ T8506] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8502] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] ftruncate(4, 33587195 [pid 8502] <... futex resumed>) = 0 [pid 8502] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8506] <... mount resumed>) = 0 [pid 8503] <... ftruncate resumed>) = 0 [pid 8503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] <... write resumed>) = 4194304 [pid 8503] <... futex resumed>) = 1 [pid 8502] <... futex resumed>) = 0 [pid 8503] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8506] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8503] <... futex resumed>) = 0 [pid 8503] creat("./bus", 040 [pid 8506] <... openat resumed>) = 3 [pid 8506] chdir("./file0") = 0 [pid 8506] ioctl(4, LOOP_CLR_FD) = 0 [pid 8506] close(4) = 0 [pid 8506] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8504] <... futex resumed>) = 0 [ 307.424425][ T8509] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8506] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8504] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8506] <... open resumed>) = 4 [pid 8506] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8504] <... futex resumed>) = 0 [pid 8506] <... futex resumed>) = 0 [pid 8504] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8512] munmap(0x7f8720789000, 138412032 [pid 8506] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8503] <... creat resumed>) = 5 [pid 8502] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8512] <... munmap resumed>) = 0 [pid 8512] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 8503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] <... openat resumed>) = 4 [pid 8503] <... futex resumed>) = 1 [pid 8502] <... futex resumed>) = 0 [pid 8503] mkdirat(AT_FDCWD, "./file0", 000 [pid 8502] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... mkdirat resumed>) = 0 [pid 8502] <... futex resumed>) = 0 [pid 8503] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 307.465235][ T8509] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 307.475051][ T8509] REISERFS (device loop0): using ordered data mode [ 307.482057][ T8509] reiserfs: using flush barriers [ 307.489712][ T8509] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 307.507661][ T8509] REISERFS (device loop0): checking transaction log (loop0) [pid 8502] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8515] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8512] ioctl(4, LOOP_SET_FD, 3 [pid 8511] <... write resumed>) = 4194304 [pid 8504] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8503] <... futex resumed>) = 0 [pid 8502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8506] <... futex resumed>) = 0 [pid 8504] <... futex resumed>) = 1 [pid 8506] ftruncate(4, 33587195 [pid 8504] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8503] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8502] exit_group(0 [pid 8503] <... futex resumed>) = ? [pid 8502] <... exit_group resumed>) = ? [pid 8512] <... ioctl resumed>) = 0 [pid 8506] <... ftruncate resumed>) = 0 [pid 8503] +++ exited with 0 +++ [pid 8506] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8504] <... futex resumed>) = 0 [pid 8506] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8504] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8504] <... futex resumed>) = 0 [pid 8506] creat("./bus", 040 [pid 8504] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8506] <... creat resumed>) = 5 [pid 8506] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8504] <... futex resumed>) = 0 [pid 8504] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8504] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8506] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8506] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8504] <... futex resumed>) = 0 [pid 8502] +++ exited with 0 +++ [pid 8512] close(3 [pid 8506] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8504] exit_group(0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8502, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 8512] <... close resumed>) = 0 [pid 8511] munmap(0x7f8720789000, 138412032 [pid 8506] <... futex resumed>) = ? [pid 8504] <... exit_group resumed>) = ? [pid 5056] restart_syscall(<... resuming interrupted clone ...> [pid 8512] mkdir("./file0", 0777 [pid 8506] +++ exited with 0 +++ [pid 8504] +++ exited with 0 +++ [pid 5056] <... restart_syscall resumed>) = 0 [pid 5056] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8512] <... mkdir resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8504, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5056] newfstatat(3, "", [pid 5055] restart_syscall(<... resuming interrupted clone ...> [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, [pid 5055] <... restart_syscall resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8511] <... munmap resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] unlink("./186/binderfs" [pid 8512] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8511] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5056] <... unlink resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8511] <... openat resumed>) = 4 [ 307.524727][ T8512] loop3: detected capacity change from 0 to 8192 [ 307.533355][ T8509] REISERFS (device loop0): Using tea hash to sort names [ 307.559548][ T8512] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5056] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8511] ioctl(4, LOOP_SET_FD, 3 [pid 5055] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", [pid 8511] <... ioctl resumed>) = 0 [pid 8509] <... mount resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5055] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./185/binderfs") = 0 [pid 8511] close(3 [pid 8509] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8511] <... close resumed>) = 0 [pid 8509] <... openat resumed>) = 3 [pid 8511] mkdir("./file0", 0777 [ 307.562704][ T8509] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 307.582799][ T8511] loop1: detected capacity change from 0 to 8192 [pid 8509] chdir("./file0" [pid 8511] <... mkdir resumed>) = 0 [pid 8509] <... chdir resumed>) = 0 [pid 8509] ioctl(4, LOOP_CLR_FD) = 0 [pid 8509] close(4) = 0 [pid 8511] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8509] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8509] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] <... futex resumed>) = 0 [pid 8505] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8509] <... futex resumed>) = 0 [pid 8505] <... futex resumed>) = 1 [pid 8509] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8505] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8509] <... open resumed>) = 4 [pid 8515] <... write resumed>) = 4194304 [ 307.623844][ T8512] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 307.633339][ T8512] REISERFS (device loop3): using ordered data mode [ 307.644205][ T8512] reiserfs: using flush barriers [ 307.654654][ T8511] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8509] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] munmap(0x7f8720789000, 138412032 [pid 8509] <... futex resumed>) = 1 [pid 8505] <... futex resumed>) = 0 [pid 8515] <... munmap resumed>) = 0 [pid 8505] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8509] ftruncate(4, 33587195 [pid 8505] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8515] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 8509] <... ftruncate resumed>) = 0 [pid 8515] ioctl(4, LOOP_SET_FD, 3 [pid 8509] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] <... ioctl resumed>) = 0 [pid 8509] <... futex resumed>) = 1 [ 307.680705][ T8512] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 307.715310][ T8515] loop2: detected capacity change from 0 to 8192 [pid 8509] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] <... futex resumed>) = 0 [pid 8505] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8505] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8509] creat("./bus", 040 [pid 8515] close(3) = 0 [ 307.722465][ T8511] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 307.732196][ T8511] REISERFS (device loop1): using ordered data mode [ 307.738782][ T8511] reiserfs: using flush barriers [ 307.761136][ T8512] REISERFS (device loop3): checking transaction log (loop3) [pid 8515] mkdir("./file0", 0777 [pid 8509] <... creat resumed>) = 5 [pid 5055] <... umount2 resumed>) = 0 [pid 5055] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8515] <... mkdir resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8515] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8509] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] <... umount2 resumed>) = 0 [pid 5055] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8509] <... futex resumed>) = 0 [pid 8505] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... openat resumed>) = 4 [pid 8509] mkdirat(AT_FDCWD, "./file0", 000 [pid 8505] <... futex resumed>) = 0 [pid 5055] newfstatat(4, "", [pid 8509] <... mkdirat resumed>) = 0 [pid 8505] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5055] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5056] newfstatat(AT_FDCWD, "./186/file0", [pid 5055] getdents64(4, [pid 8509] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8509] <... futex resumed>) = 1 [pid 8505] <... futex resumed>) = 0 [pid 5056] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] close(4 [pid 8509] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8505] exit_group(0 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... close resumed>) = 0 [pid 8509] <... futex resumed>) = ? [pid 8505] <... exit_group resumed>) = ? [pid 5056] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] rmdir("./185/file0" [pid 8509] +++ exited with 0 +++ [pid 8505] +++ exited with 0 +++ [pid 5056] <... openat resumed>) = 4 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8505, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [ 307.763080][ T8511] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 307.789764][ T8511] REISERFS (device loop1): checking transaction log (loop1) [ 307.795529][ T8512] REISERFS (device loop3): Using tea hash to sort names [ 307.805939][ T8511] REISERFS (device loop1): Using tea hash to sort names [ 307.813459][ T8511] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 8511] <... mount resumed>) = 0 [pid 5056] newfstatat(4, "", [pid 5055] getdents64(3, [pid 8511] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8511] chdir("./file0") = 0 [pid 8511] ioctl(4, LOOP_CLR_FD) = 0 [pid 8511] close(4) = 0 [pid 8511] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] <... futex resumed>) = 0 [pid 8511] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8508] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] <... open resumed>) = 4 [pid 8508] <... futex resumed>) = 0 [pid 8508] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8511] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8508] <... futex resumed>) = 0 [pid 8508] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8508] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8512] <... mount resumed>) = 0 [pid 8511] ftruncate(4, 33587195 [pid 5056] getdents64(4, [pid 5055] close(3 [pid 8512] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./185" [pid 8512] <... openat resumed>) = 3 [pid 8512] chdir("./file0" [pid 8511] <... ftruncate resumed>) = 0 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5055] <... rmdir resumed>) = 0 [pid 5051] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8512] <... chdir resumed>) = 0 [pid 8511] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] getdents64(4, [pid 5055] mkdir("./186", 0777 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8511] <... futex resumed>) = 1 [pid 8512] ioctl(4, LOOP_CLR_FD [pid 8508] <... futex resumed>) = 0 [pid 5056] close(4 [pid 5051] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8508] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8508] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5055] <... mkdir resumed>) = 0 [pid 8512] <... ioctl resumed>) = 0 [pid 5056] <... close resumed>) = 0 [pid 8511] creat("./bus", 040 [pid 5051] <... openat resumed>) = 3 [pid 8512] close(4 [pid 5056] rmdir("./186/file0" [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8512] <... close resumed>) = 0 [pid 8512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 8512] <... futex resumed>) = 1 [pid 5056] getdents64(3, [pid 5055] ioctl(3, LOOP_CLR_FD [ 307.824991][ T8515] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 307.826770][ T8512] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 307.839324][ T8515] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 307.859352][ T8515] REISERFS (device loop2): using ordered data mode [ 307.867822][ T8515] reiserfs: using flush barriers [pid 5051] newfstatat(3, "", [pid 8512] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8507] <... futex resumed>) = 0 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8507] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] close(3 [pid 5055] close(3 [pid 8512] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8507] <... futex resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 8507] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... close resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] getdents64(3, [pid 8512] <... open resumed>) = 4 [pid 5056] rmdir("./186"./strace-static-x86_64: Process 8520 attached [pid 8511] <... creat resumed>) = 5 [pid 5056] <... rmdir resumed>) = 0 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8520 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8520] set_robust_list(0x55555656d6a0, 24 [pid 8512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8511] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] mkdir("./187", 0777 [pid 5051] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8512] <... futex resumed>) = 1 [pid 8511] <... futex resumed>) = 1 [pid 8508] <... futex resumed>) = 0 [pid 8508] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8520] <... set_robust_list resumed>) = 0 [pid 8512] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8511] mkdirat(AT_FDCWD, "./file0", 000 [pid 8508] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8507] <... futex resumed>) = 0 [pid 5056] <... mkdir resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8511] <... mkdirat resumed>) = 0 [pid 5051] newfstatat(AT_FDCWD, "./191/binderfs", [pid 8507] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8507] <... futex resumed>) = 0 [pid 5051] unlink("./191/binderfs" [pid 8512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8511] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8507] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8520] chdir("./186" [pid 5051] <... unlink resumed>) = 0 [pid 8512] ftruncate(4, 33587195 [pid 8511] <... futex resumed>) = 1 [pid 8508] <... futex resumed>) = 0 [pid 5051] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8508] exit_group(0) = ? [pid 8520] <... chdir resumed>) = 0 [pid 8512] <... ftruncate resumed>) = 0 [pid 8511] +++ exited with 0 +++ [pid 8508] +++ exited with 0 +++ [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 8520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8520] setpgid(0, 0 [pid 5056] <... openat resumed>) = 3 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8508, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 8520] <... setpgid resumed>) = 0 [ 307.892402][ T8515] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 307.928523][ T8515] REISERFS (device loop2): checking transaction log (loop2) [pid 5052] restart_syscall(<... resuming interrupted clone ...> [pid 8520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] <... restart_syscall resumed>) = 0 [pid 8507] <... futex resumed>) = 0 [pid 8507] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8512] <... futex resumed>) = 1 [pid 8507] <... futex resumed>) = 0 [pid 8512] creat("./bus", 040 [pid 8507] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8520] <... openat resumed>) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./188/binderfs") = 0 [pid 5052] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8520] write(3, "1000", 4 [pid 5056] close(3 [pid 8520] <... write resumed>) = 4 [pid 8512] <... creat resumed>) = 5 [pid 5056] <... close resumed>) = 0 [pid 8520] close(3 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8520] <... close resumed>) = 0 [pid 8512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] symlink("/dev/binderfs", "./binderfs" [pid 8512] <... futex resumed>) = 1 [pid 8507] <... futex resumed>) = 0 [pid 8520] <... symlink resumed>) = 0 [pid 8512] mkdirat(AT_FDCWD, "./file0", 000 [pid 8507] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8521 [pid 8512] <... mkdirat resumed>) = 0 [pid 8507] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8520] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8521 attached ) = 0 [pid 8520] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8512] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8515] <... mount resumed>) = 0 [pid 8512] <... futex resumed>) = 1 [pid 8507] <... futex resumed>) = 0 [pid 8521] set_robust_list(0x55555656d6a0, 24 [pid 8520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8515] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8507] exit_group(0 [pid 8521] <... set_robust_list resumed>) = 0 [pid 8520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8515] <... openat resumed>) = 3 [pid 8507] <... exit_group resumed>) = ? [pid 8521] chdir("./187" [pid 8520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8515] chdir("./file0" [pid 8521] <... chdir resumed>) = 0 [ 307.941628][ T8515] REISERFS (device loop2): Using tea hash to sort names [ 307.949408][ T8515] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8520] <... mmap resumed>) = 0x7f8728b89000 [pid 8521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8520] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8515] <... chdir resumed>) = 0 [pid 8521] <... prctl resumed>) = 0 [pid 8520] <... mprotect resumed>) = 0 [pid 8521] setpgid(0, 0 [pid 8520] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8521] <... setpgid resumed>) = 0 [pid 8520] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8515] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 8522 attached [pid 8521] <... openat resumed>) = 3 [pid 8522] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8521] write(3, "1000", 4 [pid 8520] <... clone3 resumed> => {parent_tid=[8522]}, 88) = 8522 [pid 8515] <... ioctl resumed>) = 0 [pid 8512] +++ exited with 0 +++ [pid 8507] +++ exited with 0 +++ [pid 8522] <... rseq resumed>) = 0 [pid 8515] close(4 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8507, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 8522] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8520] rt_sigprocmask(SIG_SETMASK, [], [pid 8522] rt_sigprocmask(SIG_SETMASK, [], [pid 8520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8515] <... close resumed>) = 0 [pid 8522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8522] memfd_create("syzkaller", 0 [pid 8520] <... futex resumed>) = 0 [pid 8515] <... futex resumed>) = 1 [pid 8513] <... futex resumed>) = 0 [pid 8522] <... memfd_create resumed>) = 3 [pid 8520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8515] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8521] <... write resumed>) = 4 [pid 8515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8513] <... futex resumed>) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8522] <... mmap resumed>) = 0x7f8720789000 [pid 8521] close(3 [pid 8513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8515] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8521] <... close resumed>) = 0 [pid 8515] <... open resumed>) = 4 [pid 5054] <... openat resumed>) = 3 [pid 8521] symlink("/dev/binderfs", "./binderfs" [pid 8515] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] newfstatat(3, "", [pid 8515] <... futex resumed>) = 1 [pid 8513] <... futex resumed>) = 0 [pid 8521] <... symlink resumed>) = 0 [pid 8515] ftruncate(4, 33587195 [pid 8513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8513] <... futex resumed>) = 0 [pid 8515] <... ftruncate resumed>) = 0 [pid 8513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] getdents64(3, [pid 8521] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8521] <... futex resumed>) = 0 [pid 5054] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8521] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8521] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5054] newfstatat(AT_FDCWD, "./185/binderfs", [pid 8521] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5054] unlink("./185/binderfs" [pid 8521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... unlink resumed>) = 0 [pid 8521] <... mmap resumed>) = 0x7f8728b89000 [pid 5054] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8515] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... futex resumed>) = 0 [pid 8513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] <... futex resumed>) = 1 [pid 8513] <... futex resumed>) = 0 [pid 8515] creat("./bus", 040 [pid 8513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8521] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8523]}, 88) = 8523 [pid 8521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 8523 attached ) = 0 [pid 8521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8523] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8523] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8523] memfd_create("syzkaller", 0) = 3 [pid 8523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8515] <... creat resumed>) = 5 [pid 8515] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8513] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8515] <... futex resumed>) = 0 [pid 8513] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8515] mkdirat(AT_FDCWD, "./file0", 000 [pid 8513] <... futex resumed>) = 0 [pid 8515] <... mkdirat resumed>) = 0 [pid 8513] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8515] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8513] <... futex resumed>) = 0 [pid 8515] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8513] exit_group(0) = ? [pid 8515] <... futex resumed>) = ? [pid 8515] +++ exited with 0 +++ [pid 8513] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8513, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5053] restart_syscall(<... resuming interrupted clone ...> [pid 8522] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] <... restart_syscall resumed>) = 0 [pid 5051] <... umount2 resumed>) = 0 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(AT_FDCWD, "./191/file0", [pid 8523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] newfstatat(AT_FDCWD, "./188/file0", [pid 5051] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... openat resumed>) = 4 [pid 5053] newfstatat(AT_FDCWD, "./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] newfstatat(4, "", [pid 5053] unlink("./187/binderfs") = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5053] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] getdents64(4, [pid 5052] <... openat resumed>) = 4 [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5052] newfstatat(4, "", [pid 5051] getdents64(4, [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] getdents64(4, [pid 5051] close(4 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... close resumed>) = 0 [pid 5052] getdents64(4, [pid 5051] rmdir("./191/file0" [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5052] close(4 [pid 5051] getdents64(3, [pid 5052] <... close resumed>) = 0 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] rmdir("./188/file0" [pid 5051] close(3 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... close resumed>) = 0 [pid 5052] getdents64(3, [pid 5051] rmdir("./191" [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... rmdir resumed>) = 0 [pid 5052] close(3) = 0 [pid 5052] rmdir("./188") = 0 [pid 5051] mkdir("./192", 0777) = 0 [pid 5052] mkdir("./189", 0777) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5052] <... openat resumed>) = 3 [pid 5051] <... openat resumed>) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] close(3) = 0 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5051] close(3./strace-static-x86_64: Process 8524 attached ) = 0 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8524] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8524 [pid 8524] chdir("./189" [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8525 [pid 8524] <... chdir resumed>) = 0 [pid 8524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 8525 attached [pid 8525] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8524] setpgid(0, 0 [pid 8525] chdir("./192" [pid 8524] <... setpgid resumed>) = 0 [pid 8525] <... chdir resumed>) = 0 [pid 8524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8524] <... openat resumed>) = 3 [pid 8525] <... prctl resumed>) = 0 [pid 8525] setpgid(0, 0) = 0 [pid 8525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8524] write(3, "1000", 4 [pid 8525] <... openat resumed>) = 3 [pid 8524] <... write resumed>) = 4 [pid 8525] write(3, "1000", 4 [pid 8524] close(3 [pid 8525] <... write resumed>) = 4 [pid 8524] <... close resumed>) = 0 [pid 8525] close(3 [pid 8524] symlink("/dev/binderfs", "./binderfs" [pid 8525] <... close resumed>) = 0 [pid 8524] <... symlink resumed>) = 0 [pid 8525] symlink("/dev/binderfs", "./binderfs" [pid 8524] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8525] <... symlink resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [pid 8524] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5054] <... umount2 resumed>) = 0 [pid 8524] <... mmap resumed>) = 0x7f8728b89000 [pid 8525] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8525] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8524] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8525] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8524] <... mprotect resumed>) = 0 [pid 8525] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8524] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8524] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8525] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8525] <... mmap resumed>) = 0x7f8728b89000 [pid 8525] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8524] <... clone3 resumed> => {parent_tid=[8526]}, 88) = 8526 [pid 8525] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8524] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8524] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8526 attached [pid 8525] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8526] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8525] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8526] <... rseq resumed>) = 0 [pid 8526] set_robust_list(0x7f8728ba99a0, 24 [pid 8525] <... clone3 resumed> => {parent_tid=[8527]}, 88) = 8527 ./strace-static-x86_64: Process 8527 attached [pid 8526] <... set_robust_list resumed>) = 0 [pid 8525] rt_sigprocmask(SIG_SETMASK, [], [pid 8527] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8526] rt_sigprocmask(SIG_SETMASK, [], [pid 8525] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8527] <... rseq resumed>) = 0 [pid 8526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8525] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] set_robust_list(0x7f8728ba99a0, 24 [pid 8526] memfd_create("syzkaller", 0 [pid 8525] <... futex resumed>) = 0 [pid 8527] <... set_robust_list resumed>) = 0 [pid 8526] <... memfd_create resumed>) = 3 [pid 8525] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5054] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8527] rt_sigprocmask(SIG_SETMASK, [], [pid 8526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8526] <... mmap resumed>) = 0x7f8720789000 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8527] memfd_create("syzkaller", 0 [pid 8522] <... write resumed>) = 4194304 [pid 8527] <... memfd_create resumed>) = 3 [pid 5054] newfstatat(AT_FDCWD, "./185/file0", [pid 8522] munmap(0x7f8720789000, 138412032 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5054] <... openat resumed>) = 4 [pid 8527] <... mmap resumed>) = 0x7f8720789000 [pid 5054] newfstatat(4, "", [pid 8522] <... munmap resumed>) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] close(4) = 0 [pid 5054] rmdir("./185/file0") = 0 [pid 5054] getdents64(3, [pid 8522] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] close(3 [pid 8522] <... openat resumed>) = 4 [pid 8523] <... write resumed>) = 4194304 [pid 8522] ioctl(4, LOOP_SET_FD, 3 [pid 5054] <... close resumed>) = 0 [pid 5054] rmdir("./185") = 0 [pid 5054] mkdir("./186", 0777) = 0 [pid 8523] munmap(0x7f8720789000, 138412032 [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 8523] <... munmap resumed>) = 0 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5053] <... umount2 resumed>) = 0 [pid 8523] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] close(3) = 0 [pid 8523] ioctl(4, LOOP_SET_FD, 3 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555656d690) = 8528 [pid 8523] <... ioctl resumed>) = 0 [pid 8522] <... ioctl resumed>) = 0 [pid 8522] close(3./strace-static-x86_64: Process 8528 attached [pid 8526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8528] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8528] chdir("./186") = 0 [pid 8528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8522] <... close resumed>) = 0 [pid 8528] <... prctl resumed>) = 0 [pid 8528] setpgid(0, 0) = 0 [pid 8528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8528] write(3, "1000", 4) = 4 [pid 8523] close(3 [pid 8522] mkdir("./file0", 0777 [pid 5053] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8528] close(3 [pid 8523] <... close resumed>) = 0 [pid 8528] <... close resumed>) = 0 [pid 8527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8523] mkdir("./file0", 0777 [pid 8522] <... mkdir resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8528] symlink("/dev/binderfs", "./binderfs" [pid 8523] <... mkdir resumed>) = 0 [pid 8522] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] newfstatat(AT_FDCWD, "./187/file0", [pid 8528] <... symlink resumed>) = 0 [pid 8523] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5053] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5053] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 308.350581][ T8522] loop4: detected capacity change from 0 to 8192 [ 308.376855][ T8523] loop5: detected capacity change from 0 to 8192 [pid 8528] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5053] getdents64(4, 0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] close(4) = 0 [pid 5053] rmdir("./187/file0") = 0 [pid 8528] <... futex resumed>) = 0 [pid 8528] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 5053] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] close(3 [pid 8528] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5053] <... close resumed>) = 0 [pid 8528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] rmdir("./187") = 0 [pid 5053] mkdir("./188", 0777) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5053] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5053] close(3 [pid 8528] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] <... close resumed>) = 0 [pid 8528] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [ 308.419736][ T8523] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 308.437698][ T8522] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8528] <... mprotect resumed>) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8531 [pid 8528] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8528] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8532]}, 88) = 8532 ./strace-static-x86_64: Process 8531 attached [pid 8528] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8532 attached [pid 8531] set_robust_list(0x55555656d6a0, 24 [pid 8528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8528] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8532] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8531] <... set_robust_list resumed>) = 0 [pid 8528] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8532] <... rseq resumed>) = 0 [pid 8531] chdir("./188" [pid 8532] set_robust_list(0x7f8728ba99a0, 24 [pid 8531] <... chdir resumed>) = 0 [pid 8532] <... set_robust_list resumed>) = 0 [pid 8531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8532] rt_sigprocmask(SIG_SETMASK, [], [pid 8531] <... prctl resumed>) = 0 [pid 8532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8531] setpgid(0, 0 [pid 8527] <... write resumed>) = 4194304 [pid 8532] memfd_create("syzkaller", 0 [pid 8531] <... setpgid resumed>) = 0 [pid 8532] <... memfd_create resumed>) = 3 [pid 8531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8531] <... openat resumed>) = 3 [pid 8532] <... mmap resumed>) = 0x7f8720789000 [ 308.468180][ T8522] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 308.484559][ T8523] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 308.506327][ T8522] REISERFS (device loop4): using ordered data mode [ 308.512895][ T8522] reiserfs: using flush barriers [pid 8531] write(3, "1000", 4 [pid 8527] munmap(0x7f8720789000, 138412032 [pid 8531] <... write resumed>) = 4 [pid 8527] <... munmap resumed>) = 0 [pid 8526] <... write resumed>) = 4194304 [pid 8531] close(3) = 0 [pid 8531] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8531] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8531] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8531] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8531] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8527] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 308.520686][ T8523] REISERFS (device loop5): using ordered data mode [ 308.521244][ T8522] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 308.527398][ T8523] reiserfs: using flush barriers [ 308.553822][ T8523] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8526] munmap(0x7f8720789000, 138412032 [pid 8531] <... mprotect resumed>) = 0 [pid 8531] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8531] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} => {parent_tid=[8533]}, 88) = 8533 [pid 8531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8533 attached [pid 8533] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8527] <... openat resumed>) = 4 [pid 8526] <... munmap resumed>) = 0 [pid 8533] <... rseq resumed>) = 0 [pid 8527] ioctl(4, LOOP_SET_FD, 3 [pid 8526] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8533] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8533] memfd_create("syzkaller", 0) = 3 [pid 8533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8527] <... ioctl resumed>) = 0 [pid 8526] <... openat resumed>) = 4 [ 308.571833][ T8523] REISERFS (device loop5): checking transaction log (loop5) [ 308.584337][ T8523] REISERFS (device loop5): Using tea hash to sort names [ 308.592465][ T8527] loop0: detected capacity change from 0 to 8192 [ 308.600314][ T8523] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 308.606143][ T8522] REISERFS (device loop4): checking transaction log (loop4) [pid 8527] close(3 [pid 8526] ioctl(4, LOOP_SET_FD, 3 [pid 8523] <... mount resumed>) = 0 [pid 8527] <... close resumed>) = 0 [pid 8527] mkdir("./file0", 0777) = 0 [pid 8527] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8526] <... ioctl resumed>) = 0 [pid 8523] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8526] close(3 [pid 8523] chdir("./file0" [pid 8526] <... close resumed>) = 0 [pid 8526] mkdir("./file0", 0777 [pid 8523] <... chdir resumed>) = 0 [pid 8523] ioctl(4, LOOP_CLR_FD) = 0 [pid 8523] close(4) = 0 [pid 8523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] <... mkdir resumed>) = 0 [pid 8523] <... futex resumed>) = 1 [pid 8521] <... futex resumed>) = 0 [ 308.618079][ T8526] loop1: detected capacity change from 0 to 8192 [pid 8521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8523] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8523] <... open resumed>) = 4 [pid 8523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8523] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8521] <... futex resumed>) = 0 [pid 8521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8526] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8523] ftruncate(4, 33587195) = 0 [ 308.644468][ T8527] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 308.673658][ T8527] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 308.683540][ T8527] REISERFS (device loop0): using ordered data mode [pid 8523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8521] <... futex resumed>) = 0 [pid 8521] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 308.690754][ T8527] reiserfs: using flush barriers [ 308.694707][ T8522] REISERFS (device loop4): Using tea hash to sort names [ 308.704951][ T8526] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 308.715771][ T8522] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 308.727054][ T8527] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8521] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8532] <... write resumed>) = 4194304 [pid 8523] creat("./bus", 040 [pid 8522] <... mount resumed>) = 0 [pid 8532] munmap(0x7f8720789000, 138412032 [pid 8522] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8532] <... munmap resumed>) = 0 [pid 8522] chdir("./file0" [pid 8521] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8521] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 8521] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8521] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8521] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0}./strace-static-x86_64: Process 8536 attached => {parent_tid=[8536]}, 88) = 8536 [pid 8521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8521] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8521] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8536] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053) = 0 [pid 8536] set_robust_list(0x7f8728b889a0, 24) = 0 [pid 8536] rt_sigprocmask(SIG_SETMASK, [], [pid 8522] <... chdir resumed>) = 0 [pid 8536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8532] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8532] ioctl(4, LOOP_SET_FD, 3 [pid 8536] mkdirat(AT_FDCWD, "./file0", 000 [pid 8523] <... creat resumed>) = 5 [pid 8522] ioctl(4, LOOP_CLR_FD [pid 8532] <... ioctl resumed>) = 0 [pid 8536] <... mkdirat resumed>) = 0 [pid 8523] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8522] <... ioctl resumed>) = 0 [ 308.727675][ T8527] REISERFS (device loop0): checking transaction log (loop0) [ 308.761136][ T8532] loop3: detected capacity change from 0 to 8192 [ 308.761817][ T8526] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 308.783100][ T8527] REISERFS (device loop0): Using tea hash to sort names [pid 8536] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8532] close(3 [pid 8523] <... futex resumed>) = 0 [pid 8522] close(4 [pid 8536] <... futex resumed>) = 1 [pid 8523] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8522] <... close resumed>) = 0 [pid 8536] futex(0x7f8728c756d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8532] <... close resumed>) = 0 [pid 8522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8521] <... futex resumed>) = 0 [pid 8532] mkdir("./file0", 0777) = 0 [pid 8522] <... futex resumed>) = 1 [pid 8521] exit_group(0 [pid 8520] <... futex resumed>) = 0 [pid 8521] <... exit_group resumed>) = ? [pid 8523] <... futex resumed>) = ? [pid 8536] <... futex resumed>) = ? [pid 8522] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8532] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8523] +++ exited with 0 +++ [pid 8520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8536] +++ exited with 0 +++ [pid 8522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8521] +++ exited with 0 +++ [pid 8520] <... futex resumed>) = 0 [pid 8522] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8521, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5056] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5056] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5056] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] newfstatat(AT_FDCWD, "./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5056] unlink("./187/binderfs") = 0 [pid 5056] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8520] <... futex resumed>) = 0 [ 308.790501][ T8526] REISERFS (device loop1): using ordered data mode [ 308.800111][ T8526] reiserfs: using flush barriers [ 308.806739][ T8532] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 308.808950][ T8527] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 308.828045][ T8532] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [pid 8522] ftruncate(4, 33587195 [pid 8520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8522] <... ftruncate resumed>) = 0 [pid 8522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8520] <... futex resumed>) = 0 [pid 8522] creat("./bus", 040 [ 308.840930][ T8526] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 308.858001][ T8532] REISERFS (device loop3): using ordered data mode [ 308.865807][ T8532] reiserfs: using flush barriers [ 308.878679][ T8526] REISERFS (device loop1): checking transaction log (loop1) [pid 8520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8522] <... creat resumed>) = 5 [pid 8520] <... futex resumed>) = 0 [pid 8522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8522] <... futex resumed>) = 0 [pid 8520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8522] mkdirat(AT_FDCWD, "./file0", 000 [pid 8520] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8522] <... mkdirat resumed>) = 0 [pid 8520] <... futex resumed>) = 0 [pid 8533] <... write resumed>) = 4194304 [pid 8527] <... mount resumed>) = 0 [pid 8522] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8520] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8533] munmap(0x7f8720789000, 138412032 [pid 8527] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8520] exit_group(0) = ? [pid 8527] <... openat resumed>) = 3 [pid 8533] <... munmap resumed>) = 0 [pid 8527] chdir("./file0" [pid 8522] <... futex resumed>) = ? [pid 8533] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8527] <... chdir resumed>) = 0 [pid 8527] ioctl(4, LOOP_CLR_FD) = 0 [pid 8533] <... openat resumed>) = 4 [pid 8527] close(4 [pid 8533] ioctl(4, LOOP_SET_FD, 3 [pid 8527] <... close resumed>) = 0 [pid 8522] +++ exited with 0 +++ [pid 8520] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8520, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 8527] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [ 308.881817][ T8532] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 308.903556][ T8526] REISERFS (device loop1): Using tea hash to sort names [ 308.913313][ T8526] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 308.917656][ T8532] REISERFS (device loop3): checking transaction log (loop3) [pid 5055] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5055] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5055] newfstatat(3, "", [pid 8533] <... ioctl resumed>) = 0 [pid 8527] <... futex resumed>) = 1 [pid 8525] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8533] close(3 [pid 8527] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8526] <... mount resumed>) = 0 [pid 8525] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] getdents64(3, [pid 8533] <... close resumed>) = 0 [pid 8527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8526] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8525] <... futex resumed>) = 0 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8533] mkdir("./file0", 0777 [pid 8527] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8526] <... openat resumed>) = 3 [pid 8525] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8527] <... open resumed>) = 4 [pid 8526] chdir("./file0" [pid 8527] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] <... mkdir resumed>) = 0 [pid 8527] <... futex resumed>) = 1 [pid 8526] <... chdir resumed>) = 0 [pid 8525] <... futex resumed>) = 0 [pid 8527] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5055] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] unlink("./186/binderfs") = 0 [pid 5055] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8533] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8526] ioctl(4, LOOP_CLR_FD [pid 8525] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] ftruncate(4, 33587195) = 0 [pid 8526] <... ioctl resumed>) = 0 [pid 8525] <... futex resumed>) = 0 [pid 8527] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] close(4 [pid 8525] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8527] <... futex resumed>) = 0 [pid 8526] <... close resumed>) = 0 [pid 8525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8527] creat("./bus", 040 [pid 8526] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8525] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] <... creat resumed>) = 5 [pid 8526] <... futex resumed>) = 1 [pid 8525] <... futex resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [ 308.954177][ T8533] loop2: detected capacity change from 0 to 8192 [ 308.964644][ T8532] REISERFS (device loop3): Using tea hash to sort names [ 308.972138][ T8532] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 8525] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8532] <... mount resumed>) = 0 [pid 8524] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8524] <... futex resumed>) = 0 [pid 8532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8532] chdir("./file0") = 0 [pid 8524] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8532] ioctl(4, LOOP_CLR_FD) = 0 [pid 8532] close(4 [pid 8526] <... open resumed>) = 4 [pid 8532] <... close resumed>) = 0 [pid 8526] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] <... futex resumed>) = 1 [pid 8524] <... futex resumed>) = 0 [pid 8532] <... futex resumed>) = 1 [pid 8527] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] ftruncate(4, 33587195 [pid 8524] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8532] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8528] <... futex resumed>) = 0 [pid 8527] <... futex resumed>) = 1 [pid 8525] <... futex resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [pid 8528] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] mkdirat(AT_FDCWD, "./file0", 000 [pid 8526] <... ftruncate resumed>) = 0 [pid 8525] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8524] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = 0 [pid 8532] <... futex resumed>) = 0 [pid 8528] <... futex resumed>) = 1 [pid 8527] <... mkdirat resumed>) = 0 [pid 8526] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8525] <... futex resumed>) = 0 [pid 5056] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8532] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8528] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8526] <... futex resumed>) = 1 [pid 8525] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8524] <... futex resumed>) = 0 [pid 8532] <... open resumed>) = 4 [ 309.010368][ T8533] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8526] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8524] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8532] <... futex resumed>) = 1 [pid 8528] <... futex resumed>) = 0 [pid 8527] <... futex resumed>) = 1 [pid 8526] creat("./bus", 040 [pid 8525] <... futex resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./187/file0", [pid 8532] ftruncate(4, 33587195 [pid 8528] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8527] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8525] exit_group(0 [pid 8528] <... futex resumed>) = 0 [pid 8527] <... futex resumed>) = ? [pid 8525] <... exit_group resumed>) = ? [pid 8524] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8528] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8527] +++ exited with 0 +++ [pid 8525] +++ exited with 0 +++ [pid 5056] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8532] <... ftruncate resumed>) = 0 [pid 8526] <... creat resumed>) = 5 [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8525, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 8532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] restart_syscall(<... resuming interrupted clone ...> [pid 8532] <... futex resumed>) = 1 [pid 8528] <... futex resumed>) = 0 [pid 5056] <... openat resumed>) = 4 [pid 5051] <... restart_syscall resumed>) = 0 [pid 8532] creat("./bus", 040 [pid 8528] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] newfstatat(4, "", [pid 8532] <... creat resumed>) = 5 [pid 8528] <... futex resumed>) = 0 [pid 8526] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8528] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8526] <... futex resumed>) = 1 [pid 8524] <... futex resumed>) = 0 [pid 5056] getdents64(4, [pid 5051] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8526] mkdirat(AT_FDCWD, "./file0", 000 [pid 8524] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... openat resumed>) = 3 [pid 5051] newfstatat(3, "", [pid 8526] <... mkdirat resumed>) = 0 [pid 8524] <... futex resumed>) = 0 [pid 5056] getdents64(4, [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8526] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8524] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] getdents64(3, [pid 8526] <... futex resumed>) = 0 [pid 8524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] close(4 [pid 5051] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5051] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 309.066430][ T8533] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 309.075956][ T8533] REISERFS (device loop2): using ordered data mode [ 309.082512][ T8533] reiserfs: using flush barriers [ 309.100507][ T8533] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5051] newfstatat(AT_FDCWD, "./192/binderfs", [pid 8532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8524] exit_group(0 [pid 5056] <... close resumed>) = 0 [pid 8532] <... futex resumed>) = 1 [pid 8528] <... futex resumed>) = 0 [pid 8526] <... futex resumed>) = ? [pid 8524] <... exit_group resumed>) = ? [pid 5056] rmdir("./187/file0" [pid 8532] mkdirat(AT_FDCWD, "./file0", 000 [pid 8528] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8526] +++ exited with 0 +++ [pid 8524] +++ exited with 0 +++ [pid 5056] <... rmdir resumed>) = 0 [pid 8528] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 8532] <... mkdirat resumed>) = 0 [pid 8528] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8532] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8524, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5051] unlink("./192/binderfs" [pid 8532] <... futex resumed>) = 1 [pid 8528] <... futex resumed>) = 0 [pid 5056] close(3 [pid 8532] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8528] exit_group(0 [pid 5052] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... unlink resumed>) = 0 [pid 8532] <... futex resumed>) = ? [pid 8528] <... exit_group resumed>) = ? [pid 5056] <... close resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8532] +++ exited with 0 +++ [pid 8528] +++ exited with 0 +++ [pid 5056] rmdir("./187" [pid 5052] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5056] <... rmdir resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8528, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} --- [pid 5052] <... openat resumed>) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, [pid 5054] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5056] mkdir("./188", 0777 [pid 5054] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5056] <... mkdir resumed>) = 0 [pid 5054] newfstatat(3, "", [pid 5052] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5056] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] <... openat resumed>) = 3 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5052] newfstatat(AT_FDCWD, "./189/binderfs", [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] getdents64(3, [pid 5052] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 309.141404][ T8533] REISERFS (device loop2): checking transaction log (loop2) [ 309.168722][ T8533] REISERFS (device loop2): Using tea hash to sort names [pid 5056] close(3 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] unlink("./189/binderfs" [pid 5056] <... close resumed>) = 0 [pid 5054] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... unlink resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... umount2 resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x55555656d690) = 8539 ./strace-static-x86_64: Process 8539 attached [pid 8539] set_robust_list(0x55555656d6a0, 24) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./186/binderfs", [pid 8539] chdir("./188" [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8539] <... chdir resumed>) = 0 [pid 5054] unlink("./186/binderfs" [pid 8539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... unlink resumed>) = 0 [pid 8539] <... prctl resumed>) = 0 [pid 5054] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8539] setpgid(0, 0) = 0 [pid 8539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5055] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5055] newfstatat(AT_FDCWD, "./186/file0", [pid 8539] write(3, "1000", 4 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8539] <... write resumed>) = 4 [pid 8539] close(3 [pid 5055] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8539] <... close resumed>) = 0 [pid 8533] <... mount resumed>) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8539] symlink("/dev/binderfs", "./binderfs" [pid 5055] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8539] <... symlink resumed>) = 0 [pid 8533] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] <... openat resumed>) = 4 [pid 8539] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] <... openat resumed>) = 3 [pid 5055] newfstatat(4, "", [pid 8533] chdir("./file0") = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8533] ioctl(4, LOOP_CLR_FD [pid 8539] <... futex resumed>) = 0 [pid 8533] <... ioctl resumed>) = 0 [pid 5055] getdents64(4, [pid 8539] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8533] close(4 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8539] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8533] <... close resumed>) = 0 [pid 5055] getdents64(4, [pid 8539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8533] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8539] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 309.201794][ T8533] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8533] <... futex resumed>) = 1 [pid 8531] <... futex resumed>) = 0 [pid 5055] close(4 [pid 8539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8533] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./186/file0") = 0 [pid 8531] <... futex resumed>) = 0 [pid 8539] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8533] <... open resumed>) = 4 [pid 8531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8533] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8533] <... futex resumed>) = 0 [pid 8531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] ftruncate(4, 33587195 [pid 8531] <... futex resumed>) = 0 [pid 8539] <... mprotect resumed>) = 0 [pid 8531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8533] <... ftruncate resumed>) = 0 [pid 5055] close(3 [pid 8539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] <... close resumed>) = 0 [pid 5055] rmdir("./186" [pid 8533] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... rmdir resumed>) = 0 [pid 8539] <... clone3 resumed> => {parent_tid=[8540]}, 88) = 8540 [pid 5055] mkdir("./187", 0777 [pid 8539] rt_sigprocmask(SIG_SETMASK, [], [pid 8533] <... futex resumed>) = 1 [pid 8531] <... futex resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [pid 8533] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8531] <... futex resumed>) = 0 [pid 8533] creat("./bus", 040 [pid 8531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... openat resumed>) = 3 [pid 8539] <... futex resumed>) = 0 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 8539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] close(3) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8540 attached [pid 8540] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 5055] <... clone resumed>, child_tidptr=0x55555656d690) = 8541 [pid 8540] <... rseq resumed>) = 0 [pid 8540] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8540] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 8541 attached NULL, 8) = 0 [pid 8533] <... creat resumed>) = 5 [pid 5051] <... umount2 resumed>) = 0 [pid 8541] set_robust_list(0x55555656d6a0, 24 [pid 8540] memfd_create("syzkaller", 0 [pid 8541] <... set_robust_list resumed>) = 0 [pid 8540] <... memfd_create resumed>) = 3 [pid 8541] chdir("./187" [pid 8540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8541] <... chdir resumed>) = 0 [pid 8541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8541] setpgid(0, 0) = 0 [pid 8541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8533] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8533] <... futex resumed>) = 1 [pid 8541] write(3, "1000", 4) = 4 [pid 8533] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8531] <... futex resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8541] close(3) = 0 [pid 5051] newfstatat(AT_FDCWD, "./192/file0", [pid 8533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8531] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] mkdirat(AT_FDCWD, "./file0", 000 [pid 8531] <... futex resumed>) = 0 [pid 8541] symlink("/dev/binderfs", "./binderfs" [pid 8531] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8541] <... symlink resumed>) = 0 [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8541] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8533] <... mkdirat resumed>) = 0 [pid 5051] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8541] <... futex resumed>) = 0 [pid 5051] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8541] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8533] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8533] <... futex resumed>) = 1 [pid 8531] <... futex resumed>) = 0 [pid 8541] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8531] exit_group(0 [pid 5051] <... openat resumed>) = 4 [pid 8531] <... exit_group resumed>) = ? [pid 8541] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8541] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5051] newfstatat(4, "", [pid 8541] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8541] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5051] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8541] <... clone3 resumed> => {parent_tid=[8542]}, 88) = 8542 [pid 8541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 8542 attached [pid 8541] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] getdents64(4, [pid 8542] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8541] <... futex resumed>) = 0 [pid 8542] <... rseq resumed>) = 0 [pid 8541] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8533] +++ exited with 0 +++ [pid 8531] +++ exited with 0 +++ [pid 5051] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] <... umount2 resumed>) = 0 [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8531, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} --- [pid 5051] getdents64(4, [pid 8542] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8542] memfd_create("syzkaller", 0) = 3 [pid 8542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 5054] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] close(4 [pid 5053] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] rmdir("./192/file0" [pid 5053] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5051] <... rmdir resumed>) = 0 [pid 5053] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5051] getdents64(3, [pid 5054] newfstatat(AT_FDCWD, "./186/file0", [pid 5053] getdents64(3, [pid 5051] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] <... umount2 resumed>) = 0 [pid 5051] close(3 [pid 5053] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... close resumed>) = 0 [pid 5054] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(AT_FDCWD, "./188/binderfs", [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] rmdir("./192" [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] unlink("./188/binderfs" [pid 5052] newfstatat(AT_FDCWD, "./189/file0", [pid 5051] <... rmdir resumed>) = 0 [pid 5053] <... unlink resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] mkdir("./193", 0777 [pid 5054] <... openat resumed>) = 4 [pid 5053] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] newfstatat(4, "", [pid 5051] <... mkdir resumed>) = 0 [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] getdents64(4, [pid 5051] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5052] <... openat resumed>) = 4 [pid 5054] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] getdents64(4, [pid 5052] newfstatat(4, "", [pid 5051] <... openat resumed>) = 3 [pid 5054] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5054] close(4 [pid 5051] ioctl(3, LOOP_CLR_FD [pid 5052] getdents64(4, [pid 8542] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... close resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 5051] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] rmdir("./186/file0" [pid 5052] getdents64(4, [pid 5051] close(3 [pid 5054] <... rmdir resumed>) = 0 [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5051] <... close resumed>) = 0 [pid 5054] getdents64(3, [pid 5052] close(4 [pid 5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5052] <... close resumed>) = 0 ./strace-static-x86_64: Process 8543 attached [pid 8540] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5054] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5052] rmdir("./189/file0" [pid 8543] set_robust_list(0x55555656d6a0, 24 [pid 5054] close(3 [pid 5052] <... rmdir resumed>) = 0 [pid 5051] <... clone resumed>, child_tidptr=0x55555656d690) = 8543 [pid 5052] getdents64(3, [pid 5054] <... close resumed>) = 0 [pid 8543] <... set_robust_list resumed>) = 0 [pid 5054] rmdir("./186" [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8543] chdir("./193") = 0 [pid 5054] <... rmdir resumed>) = 0 [pid 5052] close(3 [pid 8543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] mkdir("./187", 0777 [pid 8543] <... prctl resumed>) = 0 [pid 5052] <... close resumed>) = 0 [pid 8543] setpgid(0, 0 [pid 5054] <... mkdir resumed>) = 0 [pid 5052] rmdir("./189" [pid 8543] <... setpgid resumed>) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 8543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5052] mkdir("./190", 0777 [pid 8543] <... openat resumed>) = 3 [pid 5052] <... mkdir resumed>) = 0 [pid 8543] write(3, "1000", 4 [pid 5054] <... openat resumed>) = 3 [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 8543] <... write resumed>) = 4 [pid 8543] close(3 [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5052] <... openat resumed>) = 3 [pid 8543] <... close resumed>) = 0 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 8543] symlink("/dev/binderfs", "./binderfs" [pid 5054] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 8543] <... symlink resumed>) = 0 [pid 8543] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] close(3 [pid 8543] <... futex resumed>) = 0 [pid 8543] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5052] <... close resumed>) = 0 [pid 8543] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] close(3) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8543] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x55555656d690) = 8545 ./strace-static-x86_64: Process 8545 attached [pid 8545] set_robust_list(0x55555656d6a0, 24./strace-static-x86_64: Process 8544 attached [pid 8543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8544 [pid 8543] <... mmap resumed>) = 0x7f8728b89000 [pid 8543] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8544] set_robust_list(0x55555656d6a0, 24 [pid 8543] <... mprotect resumed>) = 0 [pid 8545] <... set_robust_list resumed>) = 0 [pid 8545] chdir("./187") = 0 [pid 8545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 8544] <... set_robust_list resumed>) = 0 [pid 8543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8545] <... prctl resumed>) = 0 [pid 8545] setpgid(0, 0 [pid 8544] chdir("./190" [pid 8543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] <... umount2 resumed>) = 0 [pid 8545] <... setpgid resumed>) = 0 [pid 8545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8544] <... chdir resumed>) = 0 [pid 8543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8544] setpgid(0, 0 [pid 8543] <... clone3 resumed> => {parent_tid=[8546]}, 88) = 8546 [pid 5053] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 8546 attached [pid 8545] <... openat resumed>) = 3 [pid 8544] <... setpgid resumed>) = 0 [pid 8543] rt_sigprocmask(SIG_SETMASK, [], [pid 8546] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8545] write(3, "1000", 4 [pid 8544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 8543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8546] <... rseq resumed>) = 0 [pid 8545] <... write resumed>) = 4 [pid 8543] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] set_robust_list(0x7f8728ba99a0, 24 [pid 8544] <... openat resumed>) = 3 [pid 8543] <... futex resumed>) = 0 [pid 5053] newfstatat(AT_FDCWD, "./188/file0", [pid 8546] <... set_robust_list resumed>) = 0 [pid 8544] write(3, "1000", 4 [pid 8543] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8546] rt_sigprocmask(SIG_SETMASK, [], [pid 8544] <... write resumed>) = 4 [pid 8546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8544] close(3 [pid 5053] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8546] memfd_create("syzkaller", 0 [pid 8545] close(3 [pid 8544] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8545] <... close resumed>) = 0 [pid 8544] symlink("/dev/binderfs", "./binderfs" [pid 5053] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8545] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5053] <... openat resumed>) = 4 [pid 8545] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] newfstatat(4, "", [pid 8546] <... memfd_create resumed>) = 3 [pid 8545] <... futex resumed>) = 0 [pid 8544] <... symlink resumed>) = 0 [pid 8545] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8545] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5053] getdents64(4, [pid 8546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 8545] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5053] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8546] <... mmap resumed>) = 0x7f8720789000 [pid 8545] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5053] getdents64(4, [pid 8545] <... mmap resumed>) = 0x7f8728b89000 [pid 8544] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8545] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5053] close(4 [pid 8545] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8544] <... futex resumed>) = 0 [pid 5053] <... close resumed>) = 0 [pid 5053] rmdir("./188/file0" [pid 8545] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8544] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, [pid 8545] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8544] <... rt_sigaction resumed>NULL, 8) = 0 [pid 8545] <... clone3 resumed> => {parent_tid=[8547]}, 88) = 8547 [pid 8545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5053] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 8547 attached [pid 8545] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8545] <... futex resumed>) = 0 [pid 8544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8542] <... write resumed>) = 4194304 [pid 5053] getdents64(3, [pid 8547] <... rseq resumed>) = 0 [pid 8545] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8547] set_robust_list(0x7f8728ba99a0, 24 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8547] <... set_robust_list resumed>) = 0 [pid 8544] <... mmap resumed>) = 0x7f8728b89000 [pid 5053] close(3 [pid 8547] rt_sigprocmask(SIG_SETMASK, [], [pid 8544] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8542] munmap(0x7f8720789000, 138412032 [pid 8547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5053] <... close resumed>) = 0 [pid 8547] memfd_create("syzkaller", 0 [pid 8544] <... mprotect resumed>) = 0 [pid 8547] <... memfd_create resumed>) = 3 [pid 8547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8542] <... munmap resumed>) = 0 [pid 8540] <... write resumed>) = 4194304 [pid 5053] rmdir("./188" [pid 8542] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 8544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5053] <... rmdir resumed>) = 0 [pid 8544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8542] <... openat resumed>) = 4 [pid 5053] mkdir("./189", 0777 [pid 8544] <... clone3 resumed> => {parent_tid=[8548]}, 88) = 8548 ./strace-static-x86_64: Process 8548 attached [pid 8548] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [pid 8548] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8544] rt_sigprocmask(SIG_SETMASK, [], [pid 8542] ioctl(4, LOOP_SET_FD, 3 [pid 5053] <... mkdir resumed>) = 0 [pid 8544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8548] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8544] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5053] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8548] <... futex resumed>) = 0 [pid 8544] <... futex resumed>) = 1 [pid 8548] memfd_create("syzkaller", 0 [pid 5053] <... openat resumed>) = 3 [pid 8548] <... memfd_create resumed>) = 3 [pid 8544] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 8548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] ioctl(3, LOOP_CLR_FD [pid 8548] <... mmap resumed>) = 0x7f8720789000 [pid 8546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8542] <... ioctl resumed>) = 0 [pid 8540] munmap(0x7f8720789000, 138412032 [pid 5053] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] close(3) = 0 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 8542] close(3 [pid 5053] <... clone resumed>, child_tidptr=0x55555656d690) = 8549 ./strace-static-x86_64: Process 8549 attached [pid 8549] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8549] chdir("./189" [pid 8542] <... close resumed>) = 0 [pid 8542] mkdir("./file0", 0777 [pid 8549] <... chdir resumed>) = 0 [pid 8549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8549] setpgid(0, 0) = 0 [pid 8542] <... mkdir resumed>) = 0 [pid 8549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8542] mount("/dev/loop4", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8549] write(3, "1000", 4) = 4 [pid 8549] close(3) = 0 [pid 8549] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8540] <... munmap resumed>) = 0 [pid 8540] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 309.619075][ T8542] loop4: detected capacity change from 0 to 8192 [pid 8540] ioctl(4, LOOP_SET_FD, 3 [pid 8549] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8549] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8549] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 8540] <... ioctl resumed>) = 0 [pid 8540] close(3 [pid 8549] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8540] <... close resumed>) = 0 [pid 8549] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b89000 [pid 8549] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 8540] mkdir("./file0", 0777 [pid 8549] <... mprotect resumed>) = 0 [pid 8549] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8549] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 8540] <... mkdir resumed>) = 0 [pid 8549] <... clone3 resumed> => {parent_tid=[8551]}, 88) = 8551 [pid 8549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8549] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8549] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 8551 attached [pid 8540] mount("/dev/loop5", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8551] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053) = 0 [ 309.669718][ T8540] loop5: detected capacity change from 0 to 8192 [ 309.679175][ T8542] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 8551] set_robust_list(0x7f8728ba99a0, 24) = 0 [pid 8548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8551] memfd_create("syzkaller", 0) = 3 [pid 8551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8720789000 [pid 8546] <... write resumed>) = 4194304 [ 309.715872][ T8542] REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal [ 309.721124][ T8540] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 309.745786][ T8540] REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal [ 309.754590][ T8542] REISERFS (device loop4): using ordered data mode [ 309.786114][ T8542] reiserfs: using flush barriers [pid 8551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 8548] <... write resumed>) = 4194304 [pid 8546] munmap(0x7f8720789000, 138412032) = 0 [pid 8546] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 8548] munmap(0x7f8720789000, 138412032 [pid 8546] ioctl(4, LOOP_SET_FD, 3 [pid 8548] <... munmap resumed>) = 0 [ 309.818790][ T8540] REISERFS (device loop5): using ordered data mode [ 309.825499][ T8540] reiserfs: using flush barriers [ 309.826527][ T8546] loop0: detected capacity change from 0 to 8192 [ 309.843777][ T8542] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8548] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 8548] ioctl(4, LOOP_SET_FD, 3 [pid 8546] <... ioctl resumed>) = 0 [pid 8546] close(3) = 0 [pid 8546] mkdir("./file0", 0777) = 0 [pid 8546] mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8548] <... ioctl resumed>) = 0 [pid 8547] <... write resumed>) = 4194304 [pid 8547] munmap(0x7f8720789000, 138412032) = 0 [pid 8547] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 8547] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 8547] close(3) = 0 [pid 8547] mkdir("./file0", 0777) = 0 [ 309.848886][ T8540] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 309.874314][ T8542] REISERFS (device loop4): checking transaction log (loop4) [ 309.884066][ T8548] loop1: detected capacity change from 0 to 8192 [ 309.895815][ T8542] REISERFS (device loop4): Using tea hash to sort names [ 309.901023][ T8547] loop3: detected capacity change from 0 to 8192 [ 309.903250][ T8542] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 8547] mount("/dev/loop3", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8551] <... write resumed>) = 4194304 [pid 8548] close(3 [pid 8542] <... mount resumed>) = 0 [pid 8551] munmap(0x7f8720789000, 138412032) = 0 [ 309.920888][ T8546] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 309.929812][ T8540] REISERFS (device loop5): checking transaction log (loop5) [ 309.942356][ T8540] REISERFS (device loop5): Using tea hash to sort names [ 309.944258][ T8547] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 309.951792][ T8540] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 8551] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 8548] <... close resumed>) = 0 [pid 8542] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8551] <... openat resumed>) = 4 [pid 8548] mkdir("./file0", 0777 [pid 8542] <... openat resumed>) = 3 [pid 8540] <... mount resumed>) = 0 [pid 8548] <... mkdir resumed>) = 0 [pid 8542] chdir("./file0" [pid 8548] mount("/dev/loop1", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8542] <... chdir resumed>) = 0 [pid 8542] ioctl(4, LOOP_CLR_FD) = 0 [pid 8542] close(4 [pid 8551] ioctl(4, LOOP_SET_FD, 3 [pid 8542] <... close resumed>) = 0 [pid 8540] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8541] <... futex resumed>) = 0 [pid 8542] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8541] <... futex resumed>) = 0 [pid 8540] <... openat resumed>) = 3 [pid 8542] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8541] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] <... open resumed>) = 4 [ 309.972337][ T8546] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 309.982249][ T8546] REISERFS (device loop0): using ordered data mode [ 309.989433][ T8546] reiserfs: using flush barriers [ 309.994473][ T29] kauditd_printk_skb: 14 callbacks suppressed [ 309.994489][ T29] audit: type=1800 audit(1698988454.744:1136): pid=8542 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop4" ino=4106498 res=0 errno=0 [pid 8542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8541] <... futex resumed>) = 0 [pid 8540] chdir("./file0" [pid 8542] ftruncate(4, 33587195 [pid 8541] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8542] <... ftruncate resumed>) = 0 [pid 8541] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8541] <... futex resumed>) = 0 [pid 8542] creat("./bus", 040 [pid 8541] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] <... creat resumed>) = 5 [pid 8541] <... futex resumed>) = 0 [pid 8541] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8541] <... futex resumed>) = 0 [pid 8542] mkdirat(AT_FDCWD, "./file0", 000 [pid 8541] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8542] <... mkdirat resumed>) = 0 [pid 8541] <... futex resumed>) = 0 [pid 8551] <... ioctl resumed>) = 0 [pid 8542] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8541] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8540] <... chdir resumed>) = 0 [pid 8542] <... futex resumed>) = 0 [pid 8541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8551] close(3 [pid 8542] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8541] exit_group(0 [pid 8540] ioctl(4, LOOP_CLR_FD [pid 8551] <... close resumed>) = 0 [pid 8542] <... futex resumed>) = ? [pid 8541] <... exit_group resumed>) = ? [pid 8542] +++ exited with 0 +++ [pid 8541] +++ exited with 0 +++ [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8541, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [ 309.996882][ T8548] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 310.002381][ T8547] REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal [ 310.043747][ T8551] loop2: detected capacity change from 0 to 8192 [ 310.055106][ T8546] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8551] mkdir("./file0", 0777 [pid 8540] <... ioctl resumed>) = 0 [pid 8551] <... mkdir resumed>) = 0 [pid 8540] close(4 [pid 8551] mount("/dev/loop2", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "" [pid 8540] <... close resumed>) = 0 [pid 8540] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8540] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8539] <... futex resumed>) = 0 [pid 8539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8540] <... futex resumed>) = 0 [pid 8539] <... futex resumed>) = 1 [pid 8540] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4 [pid 8540] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8540] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 8539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8540] <... futex resumed>) = 0 [pid 8539] <... futex resumed>) = 1 [pid 8540] ftruncate(4, 33587195 [ 310.063921][ T8548] REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal [ 310.084686][ T8548] REISERFS (device loop1): using ordered data mode [ 310.089421][ T29] audit: type=1800 audit(1698988454.844:1137): pid=8540 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop5" ino=4106498 res=0 errno=0 [ 310.091679][ T8548] reiserfs: using flush barriers [pid 8539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8540] <... ftruncate resumed>) = 0 [pid 8540] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8539] <... futex resumed>) = 0 [pid 8539] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8539] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8540] creat("./bus", 040 [ 310.119800][ T8551] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 310.134483][ T8551] REISERFS (device loop2): found reiserfs format "3.5" with non-standard journal [ 310.145280][ T8548] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 310.165013][ T8548] REISERFS (device loop1): checking transaction log (loop1) [pid 5055] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8540] <... creat resumed>) = 5 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 8539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8539] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8728b68000 [pid 8539] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 8539] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 8539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} => {parent_tid=[8557]}, 88) = 8557 [pid 8539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8539] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8539] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8557 attached [pid 8540] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] newfstatat(3, "", [pid 8557] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8540] <... futex resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8557] <... rseq resumed>) = 0 [pid 8540] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [ 310.166871][ T8546] REISERFS (device loop0): checking transaction log (loop0) [ 310.175592][ T8548] REISERFS (device loop1): Using tea hash to sort names [ 310.181219][ T8547] REISERFS (device loop3): using ordered data mode [ 310.188137][ T8548] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 310.194305][ T8551] REISERFS (device loop2): using ordered data mode [ 310.210524][ T8547] reiserfs: using flush barriers [pid 5055] getdents64(3, [pid 8548] <... mount resumed>) = 0 [pid 8557] set_robust_list(0x7f8728b889a0, 24 [pid 5055] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8548] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 8548] chdir("./file0") = 0 [pid 8548] ioctl(4, LOOP_CLR_FD) = 0 [pid 8548] close(4 [pid 8557] <... set_robust_list resumed>) = 0 [pid 8548] <... close resumed>) = 0 [pid 8539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5055] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8557] rt_sigprocmask(SIG_SETMASK, [], [pid 8548] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8548] <... futex resumed>) = 1 [pid 8548] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8544] <... futex resumed>) = 0 [ 310.218941][ T8551] reiserfs: using flush barriers [ 310.226199][ T8551] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 310.239120][ T8546] REISERFS (device loop0): Using tea hash to sort names [ 310.249625][ T8547] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 8544] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8548] <... futex resumed>) = 0 [pid 8544] <... futex resumed>) = 1 [pid 8548] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8544] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8548] <... open resumed>) = 4 [pid 8548] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8544] <... futex resumed>) = 0 [pid 8548] ftruncate(4, 33587195 [pid 8544] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8548] <... ftruncate resumed>) = 0 [pid 8544] <... futex resumed>) = 0 [pid 8548] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8544] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8548] <... futex resumed>) = 0 [pid 8544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8548] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8544] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8544] <... futex resumed>) = 0 [pid 8548] creat("./bus", 040 [pid 8544] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8548] <... creat resumed>) = 5 [ 310.267495][ T8546] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 310.277103][ T29] audit: type=1800 audit(1698988455.034:1138): pid=8548 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop1" ino=4106498 res=0 errno=0 [ 310.294489][ T8551] REISERFS (device loop2): checking transaction log (loop2) [ 310.300531][ T8547] REISERFS (device loop3): checking transaction log (loop3) [ 310.314522][ T8547] REISERFS (device loop3): Using tea hash to sort names [pid 5055] newfstatat(AT_FDCWD, "./187/binderfs", [pid 8557] mkdirat(AT_FDCWD, "./file0", 000 [pid 8548] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] <... mount resumed>) = 0 [pid 5055] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8548] <... futex resumed>) = 1 [pid 8544] <... futex resumed>) = 0 [pid 8544] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8544] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8548] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 8548] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8544] <... futex resumed>) = 0 [pid 8544] exit_group(0) = ? [pid 5055] unlink("./187/binderfs" [pid 8557] <... mkdirat resumed>) = 0 [pid 8557] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5055] <... unlink resumed>) = 0 [pid 8557] <... futex resumed>) = 0 [pid 8548] +++ exited with 0 +++ [pid 8547] <... mount resumed>) = 0 [pid 8546] <... openat resumed>) = 3 [pid 8544] +++ exited with 0 +++ [pid 8539] exit_group(0 [pid 5055] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8540] <... futex resumed>) = ? [pid 8539] <... exit_group resumed>) = ? [pid 8540] +++ exited with 0 +++ [pid 5052] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8544, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5052] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5052] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] getdents64(3, 0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5052] newfstatat(AT_FDCWD, "./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] unlink("./190/binderfs") = 0 [pid 8557] +++ exited with 0 +++ [pid 8539] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8539, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- [pid 5052] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8547] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8546] chdir("./file0" [pid 5056] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8546] <... chdir resumed>) = 0 [pid 8546] ioctl(4, LOOP_CLR_FD [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5056] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 8546] <... ioctl resumed>) = 0 [pid 8547] <... openat resumed>) = 3 [pid 8546] close(4 [pid 5056] <... openat resumed>) = 3 [pid 8546] <... close resumed>) = 0 [pid 8546] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8543] <... futex resumed>) = 0 [pid 8546] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8543] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8546] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8543] <... futex resumed>) = 0 [ 310.322123][ T8547] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 310.335108][ T8551] REISERFS (device loop2): Using tea hash to sort names [ 310.342921][ T8551] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 8543] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8551] <... mount resumed>) = 0 [pid 8547] chdir("./file0" [pid 8546] <... open resumed>) = 4 [pid 5056] newfstatat(3, "", [pid 8551] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 8547] <... chdir resumed>) = 0 [pid 8546] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8551] <... openat resumed>) = 3 [pid 8547] ioctl(4, LOOP_CLR_FD [pid 8546] <... futex resumed>) = 1 [pid 8543] <... futex resumed>) = 0 [pid 5056] getdents64(3, [pid 8551] chdir("./file0" [pid 8547] <... ioctl resumed>) = 0 [pid 8546] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8543] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5056] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8551] <... chdir resumed>) = 0 [pid 8547] close(4 [pid 8546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8543] <... futex resumed>) = 0 [pid 5056] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8547] <... close resumed>) = 0 [pid 8551] ioctl(4, LOOP_CLR_FD [pid 8547] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5056] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8551] <... ioctl resumed>) = 0 [pid 8547] <... futex resumed>) = 1 [pid 8546] ftruncate(4, 33587195 [pid 8545] <... futex resumed>) = 0 [pid 5056] newfstatat(AT_FDCWD, "./188/binderfs", [pid 8545] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 5056] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8551] close(4 [pid 8545] <... futex resumed>) = 0 [pid 8551] <... close resumed>) = 0 [pid 8545] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8551] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8549] <... futex resumed>) = 0 [pid 8547] <... open resumed>) = 4 [pid 8549] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8551] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000 [pid 8549] <... futex resumed>) = 0 [ 310.367897][ T29] audit: type=1800 audit(1698988455.124:1139): pid=8546 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop0" ino=4106498 res=0 errno=0 [pid 8549] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8551] <... open resumed>) = 4 [pid 8547] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] <... ftruncate resumed>) = 0 [pid 5056] unlink("./188/binderfs" [pid 8547] <... futex resumed>) = 1 [pid 8545] <... futex resumed>) = 0 [pid 8543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5056] <... unlink resumed>) = 0 [pid 8547] ftruncate(4, 33587195 [pid 8545] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] futex(0x7f8728c756dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... futex resumed>) = 0 [pid 8543] <... futex resumed>) = 0 [pid 8545] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8551] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8546] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] <... mmap resumed>) = 0x7f8728b68000 [pid 5056] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8551] <... futex resumed>) = 1 [pid 8546] <... futex resumed>) = 0 [pid 8543] mprotect(0x7f8728b69000, 131072, PROT_READ|PROT_WRITE [pid 8546] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8551] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8543] <... mprotect resumed>) = 0 [pid 8549] <... futex resumed>) = 0 [pid 8551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8549] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] <... ftruncate resumed>) = 0 [pid 8543] rt_sigprocmask(SIG_BLOCK, ~[], [pid 8551] ftruncate(4, 33587195 [pid 8549] <... futex resumed>) = 0 [pid 8547] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 8545] <... futex resumed>) = 0 [pid 8549] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8547] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8545] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] <... rt_sigprocmask resumed>[], 8) = 0 [pid 8551] <... ftruncate resumed>) = 0 [pid 8547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8545] <... futex resumed>) = 0 [pid 8543] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728b88990, parent_tid=0x7f8728b88990, exit_signal=0, stack=0x7f8728b68000, stack_size=0x20300, tls=0x7f8728b886c0} [pid 8551] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] creat("./bus", 040 [ 310.419183][ T29] audit: type=1800 audit(1698988455.174:1140): pid=8547 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop3" ino=4106498 res=0 errno=0 [pid 8545] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 8558 attached [pid 8551] <... futex resumed>) = 1 [pid 8549] <... futex resumed>) = 0 [pid 8547] <... creat resumed>) = 5 [pid 8543] <... clone3 resumed> => {parent_tid=[8558]}, 88) = 8558 [pid 8558] rseq(0x7f8728b88fe0, 0x20, 0, 0x53053053 [pid 8551] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8549] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8543] rt_sigprocmask(SIG_SETMASK, [], [pid 8549] <... futex resumed>) = 0 [pid 8543] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8558] <... rseq resumed>) = 0 [pid 8551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8549] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8543] futex(0x7f8728c756d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8543] futex(0x7f8728c756dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8551] creat("./bus", 040 [pid 8558] set_robust_list(0x7f8728b889a0, 24 [pid 8551] <... creat resumed>) = 5 [pid 5052] <... umount2 resumed>) = 0 [pid 8558] <... set_robust_list resumed>) = 0 [pid 8558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 8551] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 8558] creat("./bus", 040 [pid 8551] <... futex resumed>) = 1 [pid 8549] <... futex resumed>) = 0 [pid 8547] <... futex resumed>) = 0 [pid 8545] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8547] mkdirat(AT_FDCWD, "./file0", 000 [pid 8545] <... futex resumed>) = 0 [pid 8551] mkdirat(AT_FDCWD, "./file0", 000 [pid 8549] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 8545] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8551] <... mkdirat resumed>) = 0 [pid 8549] <... futex resumed>) = 0 [pid 8547] <... mkdirat resumed>) = 0 [pid 8551] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8549] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 8547] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 8551] <... futex resumed>) = 0 [pid 8549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 8545] <... futex resumed>) = 0 [pid 8549] exit_group(0 [pid 8547] <... futex resumed>) = 1 [pid 8551] futex(0x7f8728c756c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 8545] exit_group(0 [pid 8543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5052] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 8543] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5052] newfstatat(AT_FDCWD, "./190/file0", [pid 8546] <... futex resumed>) = 0 [pid 8545] <... exit_group resumed>) = ? [pid 8543] <... futex resumed>) = 1 [pid 5052] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 8549] <... exit_group resumed>) = ? [pid 8546] mkdirat(AT_FDCWD, "./file0", 000 [pid 5052] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8543] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8551] <... futex resumed>) = ? [pid 5052] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 8551] +++ exited with 0 +++ [pid 8549] +++ exited with 0 +++ [pid 5053] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8549, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5052] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 310.513838][ T29] audit: type=1800 audit(1698988455.174:1141): pid=8551 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor157" name="bus" dev="loop2" ino=4106498 res=0 errno=0 [pid 8547] +++ exited with 0 +++ [pid 8545] +++ exited with 0 +++ [pid 5052] getdents64(4, 0x555556576770 /* 2 entries */, 32768) = 48 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8545, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5053] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] getdents64(4, [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 5053] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5052] close(4 [pid 5053] <... openat resumed>) = 3 [pid 5052] <... close resumed>) = 0 [pid 5053] newfstatat(3, "", [pid 5052] rmdir("./190/file0" [pid 5054] restart_syscall(<... resuming interrupted clone ...> [pid 5053] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] <... rmdir resumed>) = 0 [pid 5053] getdents64(3, [pid 5052] getdents64(3, [pid 5054] <... restart_syscall resumed>) = 0 [pid 5052] <... getdents64 resumed>0x55555656e730 /* 0 entries */, 32768) = 0 [pid 5053] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 5052] close(3 [pid 5053] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... close resumed>) = 0 [pid 5053] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] rmdir("./190" [pid 5054] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] newfstatat(AT_FDCWD, "./189/binderfs", [pid 5052] <... rmdir resumed>) = 0 [pid 5053] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5052] mkdir("./191", 0777) = 0 [pid 5054] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] unlink("./189/binderfs" [pid 5052] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5054] <... openat resumed>) = 3 [pid 5052] ioctl(3, LOOP_CLR_FD [pid 5053] <... unlink resumed>) = 0 [pid 5052] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5054] newfstatat(3, "", [pid 5053] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] close(3) = 0 [pid 5054] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5052] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 8559 attached [pid 5054] getdents64(3, [pid 5052] <... clone resumed>, child_tidptr=0x55555656d690) = 8559 [pid 8559] set_robust_list(0x55555656d6a0, 24) = 0 [pid 8559] chdir("./191") = 0 [pid 8559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 8559] setpgid(0, 0) = 0 [pid 8559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 8559] write(3, "1000", 4) = 4 [pid 8559] close(3) = 0 [pid 8559] symlink("/dev/binderfs", "./binderfs") = 0 [pid 8559] futex(0x7f8728c756cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 8559] rt_sigaction(SIGRT_1, {sa_handler=0x7f8728c12fe0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f8728c04190}, NULL, 8) = 0 [pid 8559] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 8559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 8543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5054] <... getdents64 resumed>0x55555656e730 /* 4 entries */, 32768) = 112 [pid 8559] <... mmap resumed>) = 0x7f8728b89000 [pid 8559] mprotect(0x7f8728b8a000, 131072, PROT_READ|PROT_WRITE [pid 5055] <... umount2 resumed>) = 0 [pid 5054] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5054] newfstatat(AT_FDCWD, "./187/binderfs", [pid 8559] <... mprotect resumed>) = 0 [pid 5055] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] unlink("./187/binderfs") = 0 [pid 5054] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8559] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5055] newfstatat(AT_FDCWD, "./187/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5055] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 8559] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5055] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 8559] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f8728ba9990, parent_tid=0x7f8728ba9990, exit_signal=0, stack=0x7f8728b89000, stack_size=0x20300, tls=0x7f8728ba96c0} [pid 5055] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 8560 attached [pid 8559] <... clone3 resumed> => {parent_tid=[8560]}, 88) = 8560 [ 310.611201][ T8546] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 4106499 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 310.631256][ T8546] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 540. Fsck? [ 310.642903][ T8546] REISERFS (device loop0): Remounting filesystem read-only [pid 5055] newfstatat(4, "", [pid 8560] rseq(0x7f8728ba9fe0, 0x20, 0, 0x53053053 [pid 8559] rt_sigprocmask(SIG_SETMASK, [], [pid 5055] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 8560] <... rseq resumed>) = 0 [pid 8559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5055] getdents64(4, [pid 8560] set_robust_list(0x7f8728ba99a0, 24 [pid 8559] futex(0x7f8728c756c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5055] <... getdents64 resumed>0x555556576770 /* 2 entries */, 32768) = 48 [pid 8560] <... set_robust_list resumed>) = 0 [pid 8560] rt_sigprocmask(SIG_SETMASK, [], [pid 8559] <... futex resumed>) = 0 [pid 5055] getdents64(4, [pid 8560] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 8559] futex(0x7f8728c756cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5055] <... getdents64 resumed>0x555556576770 /* 0 entries */, 32768) = 0 [pid 8560] memfd_create("syzkaller", 0 [pid 5055] close(4) = 0 [pid 5055] rmdir("./187/file0") = 0 [pid 8560] <... memfd_create resumed>) = 3 [pid 8560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5055] getdents64(3, 0x55555656e730 /* 0 entries */, 32768) = 0 [pid 8560] <... mmap resumed>) = 0x7f8720789000 [pid 5055] close(3) = 0 [pid 5055] rmdir("./187") = 0 [pid 5055] mkdir("./188", 0777 [pid 5056] <... umount2 resumed>) = 0 [pid 5055] <... mkdir resumed>) = 0 [ 310.667030][ T8546] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 4106499 0x0 SD] stat data [ 310.733174][ T8558] ------------[ cut here ]------------ [ 310.739182][ T8558] WARNING: CPU: 1 PID: 8558 at fs/reiserfs/journal.c:3394 journal_end+0x1fb/0x2c0 [ 310.748520][ T8558] Modules linked in: [ 310.752454][ T8558] CPU: 1 PID: 8558 Comm: syz-executor157 Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0 [ 310.762612][ T8558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 310.772847][ T8558] RIP: 0010:journal_end+0x1fb/0x2c0 [ 310.778203][ T8558] Code: fb 20 b1 ff 48 b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 0f 85 a1 00 00 00 c7 45 00 00 00 00 00 eb 30 e8 d5 76 55 ff <0f> 0b b8 fb ff ff ff eb 24 e8 c7 76 55 ff 4c 89 f7 31 f6 48 83 c4 [ 310.798135][ T8558] RSP: 0018:ffffc90009cff4b8 EFLAGS: 00010293 [ 310.804365][ T8558] RAX: ffffffff823946fb RBX: 0000000000000000 RCX: ffff888076cc1dc0 [ 310.812386][ T8558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 310.820477][ T8558] RBP: ffffc90009cff574 R08: ffffffff8239460e R09: 0000000000000000 [ 310.828526][ T8558] R10: ffffc90009cff568 R11: fffff5200139feb3 R12: ffff888076cc3018 [ 310.836671][ T8558] R13: 1ffff9200139feae R14: ffffc90009cff560 R15: 1ffff1100ed98603 [ 310.844820][ T8558] FS: 00007f8728b886c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 310.853870][ T8558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 310.860499][ T8558] CR2: 00007ffe68d10ec8 CR3: 000000001d7a5000 CR4: 00000000003506f0 [ 310.868623][ T8558] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 310.876699][ T8558] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 310.884776][ T8558] Call Trace: [ 310.888091][ T8558] [ 310.891057][ T8558] ? __warn+0x162/0x4a0 [ 310.895330][ T8558] ? journal_end+0x1fb/0x2c0 [ 310.899971][ T8558] ? report_bug+0x2b3/0x500 [ 310.904590][ T8558] ? journal_end+0x1fb/0x2c0 [ 310.909244][ T8558] ? handle_bug+0x3d/0x70 [ 310.913678][ T8558] ? exc_invalid_op+0x1a/0x50 [ 310.918408][ T8558] ? asm_exc_invalid_op+0x1a/0x20 [ 310.923495][ T8558] ? journal_end+0x10e/0x2c0 [ 310.928182][ T8558] ? journal_end+0x1fb/0x2c0 [ 310.932828][ T8558] ? journal_end+0x1fb/0x2c0 [ 310.937705][ T8558] ? journal_end+0x1fb/0x2c0 [ 310.942355][ T8558] reiserfs_truncate_file+0x4e5/0x820 [ 310.947825][ T8558] ? reiserfs_new_symlink+0x770/0x770 [ 310.953239][ T8558] ? unmap_mapping_range+0xf8/0x290 [ 310.958559][ T8558] ? truncate_setsize+0xcf/0xf0 [ 310.963544][ T8558] reiserfs_setattr+0xbc9/0x1140 [ 310.968564][ T8558] ? reiserfs_commit_write+0x5b0/0x5b0 [ 310.974142][ T8558] ? current_time+0x1e0/0x2b0 [ 310.978867][ T8558] ? inode_set_ctime_current+0x2f0/0x2f0 [ 310.984578][ T8558] ? evm_inode_setattr+0x100/0x740 [ 310.989734][ T8558] ? bpf_lsm_inode_setattr+0x9/0x10 [ 310.995029][ T8558] ? security_inode_setattr+0xd7/0x130 [ 311.000527][ T8558] ? reiserfs_commit_write+0x5b0/0x5b0 [ 311.006076][ T8558] notify_change+0xb99/0xe60 [ 311.010723][ T8558] do_truncate+0x220/0x300 [ 311.015309][ T8558] ? put_page_bootmem+0x2e0/0x2e0 [ 311.020399][ T8558] ? ima_bprm_check+0x2b0/0x2b0 [ 311.025347][ T8558] path_openat+0x29dd/0x3280 [ 311.030028][ T8558] ? do_sys_openat2+0xd2/0x1d0 [ 311.034927][ T8558] ? do_filp_open+0x490/0x490 [ 311.039688][ T8558] do_filp_open+0x234/0x490 [ 311.044281][ T8558] ? vfs_tmpfile+0x500/0x500 [ 311.048947][ T8558] ? _raw_spin_unlock+0x28/0x40 [ 311.053980][ T8558] ? alloc_fd+0x59c/0x640 [ 311.058384][ T8558] do_sys_openat2+0x13e/0x1d0 [ 311.063135][ T8558] ? do_sys_open+0x230/0x230 [ 311.067826][ T8558] ? _raw_spin_unlock_irq+0x2e/0x50 [ 311.073152][ T8558] ? ptrace_notify+0x278/0x380 [ 311.078116][ T8558] __x64_sys_creat+0x123/0x160 [ 311.082925][ T8558] ? __x64_compat_sys_openat+0x290/0x290 [ 311.088673][ T8558] ? syscall_enter_from_user_mode+0x32/0x230 [ 311.094773][ T8558] ? syscall_enter_from_user_mode+0x8c/0x230 [ 311.100823][ T8558] do_syscall_64+0x44/0x110 [ 311.105496][ T8558] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 311.111439][ T8558] RIP: 0033:0x7f8728becbc9 [ 311.115966][ T8558] 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 [ 311.135689][ T8558] RSP: 002b:00007f8728b88218 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 311.144201][ T8558] RAX: ffffffffffffffda RBX: 00007f8728c756d8 RCX: 00007f8728becbc9 [ 311.152214][ T8558] RDX: 00007f8728bc6166 RSI: 0000000000000020 RDI: 0000000020000140 [ 311.160319][ T8558] RBP: 00007f8728c756d0 R08: 00007ffe68d12687 R09: 0000000000000000 [ 311.168385][ T8558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8728c421e0 [ 311.176471][ T8558] R13: 00007f8728c410c0 R14: 0030656c69662f2e R15: 7366726573696572 [ 311.184901][ T8558] [ 311.187954][ T8558] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 311.195258][ T8558] CPU: 1 PID: 8558 Comm: syz-executor157 Not tainted 6.6.0-syzkaller-10396-g4652b8e4f3ff #0 [ 311.205389][ T8558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 311.212641][ T8563] loop4: detected capacity change from 0 to 8192 [ 311.221804][ T8558] Call Trace: [ 311.225121][ T8558] [ 311.228084][ T8558] dump_stack_lvl+0x1e7/0x2d0 [ 311.232823][ T8558] ? nf_tcp_handle_invalid+0x650/0x650 [ 311.238325][ T8558] ? panic+0x770/0x770 [ 311.242449][ T8558] ? vscnprintf+0x5d/0x80 [ 311.246814][ T8558] panic+0x30f/0x770 [ 311.250754][ T8558] ? __warn+0x171/0x4a0 [ 311.255239][ T8558] ? __memcpy_flushcache+0x2b0/0x2b0 [ 311.260639][ T8558] __warn+0x314/0x4a0 [ 311.264661][ T8558] ? journal_end+0x1fb/0x2c0 [ 311.269309][ T8558] report_bug+0x2b3/0x500 [ 311.273695][ T8558] ? journal_end+0x1fb/0x2c0 [ 311.278338][ T8558] handle_bug+0x3d/0x70 [ 311.282534][ T8558] exc_invalid_op+0x1a/0x50 [ 311.287077][ T8558] asm_exc_invalid_op+0x1a/0x20 [ 311.291976][ T8558] RIP: 0010:journal_end+0x1fb/0x2c0 [ 311.297233][ T8558] Code: fb 20 b1 ff 48 b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 0f 85 a1 00 00 00 c7 45 00 00 00 00 00 eb 30 e8 d5 76 55 ff <0f> 0b b8 fb ff ff ff eb 24 e8 c7 76 55 ff 4c 89 f7 31 f6 48 83 c4 [ 311.316854][ T8558] RSP: 0018:ffffc90009cff4b8 EFLAGS: 00010293 [ 311.322940][ T8558] RAX: ffffffff823946fb RBX: 0000000000000000 RCX: ffff888076cc1dc0 [ 311.330919][ T8558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 311.338903][ T8558] RBP: ffffc90009cff574 R08: ffffffff8239460e R09: 0000000000000000 [ 311.346884][ T8558] R10: ffffc90009cff568 R11: fffff5200139feb3 R12: ffff888076cc3018 [ 311.354865][ T8558] R13: 1ffff9200139feae R14: ffffc90009cff560 R15: 1ffff1100ed98603 [ 311.362850][ T8558] ? journal_end+0x10e/0x2c0 [ 311.367458][ T8558] ? journal_end+0x1fb/0x2c0 [ 311.372068][ T8558] ? journal_end+0x1fb/0x2c0 [ 311.376672][ T8558] reiserfs_truncate_file+0x4e5/0x820 [ 311.382058][ T8558] ? reiserfs_new_symlink+0x770/0x770 [ 311.387435][ T8558] ? unmap_mapping_range+0xf8/0x290 [ 311.392646][ T8558] ? truncate_setsize+0xcf/0xf0 [ 311.397518][ T8558] reiserfs_setattr+0xbc9/0x1140 [ 311.402465][ T8558] ? reiserfs_commit_write+0x5b0/0x5b0 [ 311.407936][ T8558] ? current_time+0x1e0/0x2b0 [ 311.412620][ T8558] ? inode_set_ctime_current+0x2f0/0x2f0 [ 311.418262][ T8558] ? evm_inode_setattr+0x100/0x740 [ 311.423388][ T8558] ? bpf_lsm_inode_setattr+0x9/0x10 [ 311.428597][ T8558] ? security_inode_setattr+0xd7/0x130 [ 311.434064][ T8558] ? reiserfs_commit_write+0x5b0/0x5b0 [ 311.439528][ T8558] notify_change+0xb99/0xe60 [ 311.444138][ T8558] do_truncate+0x220/0x300 [ 311.448571][ T8558] ? put_page_bootmem+0x2e0/0x2e0 [ 311.453611][ T8558] ? ima_bprm_check+0x2b0/0x2b0 [ 311.458486][ T8558] path_openat+0x29dd/0x3280 [ 311.463126][ T8558] ? do_sys_openat2+0xd2/0x1d0 [ 311.467921][ T8558] ? do_filp_open+0x490/0x490 [ 311.472653][ T8558] do_filp_open+0x234/0x490 [ 311.477190][ T8558] ? vfs_tmpfile+0x500/0x500 [ 311.481848][ T8558] ? _raw_spin_unlock+0x28/0x40 [ 311.486732][ T8558] ? alloc_fd+0x59c/0x640 [ 311.491088][ T8558] do_sys_openat2+0x13e/0x1d0 [ 311.495783][ T8558] ? do_sys_open+0x230/0x230 [ 311.500386][ T8558] ? _raw_spin_unlock_irq+0x2e/0x50 [ 311.505604][ T8558] ? ptrace_notify+0x278/0x380 [ 311.510391][ T8558] __x64_sys_creat+0x123/0x160 [ 311.515251][ T8558] ? __x64_compat_sys_openat+0x290/0x290 [ 311.520895][ T8558] ? syscall_enter_from_user_mode+0x32/0x230 [ 311.526917][ T8558] ? syscall_enter_from_user_mode+0x8c/0x230 [ 311.532913][ T8558] do_syscall_64+0x44/0x110 [ 311.537441][ T8558] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 311.543345][ T8558] RIP: 0033:0x7f8728becbc9 [ 311.547768][ T8558] 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 [ 311.567382][ T8558] RSP: 002b:00007f8728b88218 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 311.575807][ T8558] RAX: ffffffffffffffda RBX: 00007f8728c756d8 RCX: 00007f8728becbc9 [ 311.583787][ T8558] RDX: 00007f8728bc6166 RSI: 0000000000000020 RDI: 0000000020000140 [ 311.591765][ T8558] RBP: 00007f8728c756d0 R08: 00007ffe68d12687 R09: 0000000000000000 [ 311.599746][ T8558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8728c421e0 [ 311.607747][ T8558] R13: 00007f8728c410c0 R14: 0030656c69662f2e R15: 7366726573696572 [ 311.615744][ T8558] [ 311.619099][ T8558] Kernel Offset: disabled [ 311.623517][ T8558] Rebooting in 86400 seconds..