./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